Moving some apps to new repository

Repo URL: https://gerrit.onosproject.org/onos-app-samples

Apps moved
- calendar
- database-perf
- demo
- election
- ifwd
- intent-perf
- tvue

Apps removed
- foo

Change-Id: I90e8313554246aaeb92e46f9e9efcb93d951585b

-<?xml version="1.0" encoding="UTF-8"?>
-<!--
-  ~ Copyright 2014 Open Networking Laboratory
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
-    <modelVersion>4.0.0</modelVersion>
-
-    <parent>
-        <groupId>org.onosproject</groupId>
-        <artifactId>onos-apps</artifactId>
-        <version>1.2.0-SNAPSHOT</version>
-        <relativePath>../pom.xml</relativePath>
-    </parent>
-
-    <artifactId>onos-app-calendar</artifactId>
-    <packaging>bundle</packaging>
-
-    <description>ONOS simple calendaring REST interface for intents</description>
-
-    <properties>
-        <web.context>/onos/calendar</web.context>
-    </properties>
-
-    <dependencies>
-        <dependency>
-            <groupId>org.onosproject</groupId>
-            <artifactId>onlab-rest</artifactId>
-            <version>${project.version}</version>
-        </dependency>
-
-        <dependency>
-            <groupId>com.sun.jersey</groupId>
-            <artifactId>jersey-servlet</artifactId>
-        </dependency>
-        <dependency>
-            <groupId>com.sun.jersey.jersey-test-framework</groupId>
-            <artifactId>jersey-test-framework-core</artifactId>
-            <version>1.18.1</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>com.sun.jersey.jersey-test-framework</groupId>
-            <artifactId>jersey-test-framework-grizzly2</artifactId>
-            <version>1.18.1</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.osgi</groupId>
-            <artifactId>org.osgi.core</artifactId>
-        </dependency>
-
-    <dependency>
-      <groupId>org.onosproject</groupId>
-      <artifactId>onlab-thirdparty</artifactId>
-    </dependency>
-
-    <dependency>
-      <groupId>org.onosproject</groupId>
-      <artifactId>onlab-misc</artifactId>
-    </dependency>
-
-    <dependency>
-      <groupId>org.onosproject</groupId>
-      <artifactId>onlab-junit</artifactId>
-      <scope>test</scope>
-    </dependency>
-
-    <dependency>
-      <groupId>org.onosproject</groupId>
-      <artifactId>onos-cli</artifactId>
-      <version>${project.version}</version>
-    </dependency>
-    <dependency>
-      <groupId>org.apache.karaf.shell</groupId>
-      <artifactId>org.apache.karaf.shell.console</artifactId>
-    </dependency>
-    </dependencies>
-
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.felix</groupId>
-                <artifactId>maven-bundle-plugin</artifactId>
-                <extensions>true</extensions>
-                <configuration>
-                    <instructions>
-                        <_wab>src/main/webapp/</_wab>
-                        <Bundle-SymbolicName>
-                            ${project.groupId}.${project.artifactId}
-                        </Bundle-SymbolicName>
-                        <Import-Package>
-                            org.slf4j,
-                            org.osgi.framework,
-                            javax.ws.rs,javax.ws.rs.core,
-                            com.sun.jersey.api.core,
-                            com.sun.jersey.spi.container.servlet,
-                            com.sun.jersey.server.impl.container.servlet,
-                            org.onlab.packet.*,
-                            org.onlab.rest.*,
-                            org.onosproject.*
-                        </Import-Package>
-                        <Web-ContextPath>${web.context}</Web-ContextPath>
-                    </instructions>
-                </configuration>
-            </plugin>
-        </plugins>
-    </build>
-
-</project>

-/*
- * Copyright 2014 Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.onosproject.calendar;
-
-import org.onlab.packet.Ethernet;
-import org.onlab.rest.BaseResource;
-import org.onlab.util.Tools;
-import org.onosproject.core.ApplicationId;
-import org.onosproject.core.CoreService;
-import org.onosproject.net.ConnectPoint;
-import org.onosproject.net.DeviceId;
-import org.onosproject.net.HostId;
-import org.onosproject.net.flow.DefaultTrafficSelector;
-import org.onosproject.net.flow.TrafficSelector;
-import org.onosproject.net.flow.TrafficTreatment;
-import org.onosproject.net.intent.ConnectivityIntent;
-import org.onosproject.net.intent.Constraint;
-import org.onosproject.net.intent.HostToHostIntent;
-import org.onosproject.net.intent.Intent;
-import org.onosproject.net.intent.IntentEvent;
-import org.onosproject.net.intent.IntentListener;
-import org.onosproject.net.intent.IntentService;
-import org.onosproject.net.intent.IntentState;
-import org.onosproject.net.intent.Key;
-import org.onosproject.net.intent.TwoWayP2PIntent;
-import org.onosproject.net.intent.constraint.BandwidthConstraint;
-import org.onosproject.net.intent.constraint.LatencyConstraint;
-import org.onosproject.net.resource.Bandwidth;
-import org.slf4j.Logger;
-
-import javax.ws.rs.DELETE;
-import javax.ws.rs.POST;
-import javax.ws.rs.PUT;
-import javax.ws.rs.PathParam;
-import javax.ws.rs.core.Response;
-import java.net.URI;
-import java.time.Duration;
-import java.time.temporal.ChronoUnit;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.concurrent.CountDownLatch;
-import java.util.concurrent.TimeUnit;
-
-import static org.onosproject.net.PortNumber.portNumber;
-import static org.onosproject.net.flow.DefaultTrafficTreatment.builder;
-import static org.onosproject.net.intent.IntentState.*;
-import static org.slf4j.LoggerFactory.getLogger;
-
-/**
- * Web resource for triggering calendared intents.
- */
-@javax.ws.rs.Path("intent")
-public class BandwidthCalendarResource extends BaseResource {
-
-    private static final Logger log = getLogger(BandwidthCalendarResource.class);
-    private static final long TIMEOUT = 10; // seconds
-
-    private static final String INVALID_PARAMETER = "INVALID_PARAMETER\n";
-    private static final String OPERATION_INSTALLED = "INSTALLED\n";
-    private static final String OPERATION_FAILED = "FAILED\n";
-    private static final String OPERATION_WITHDRAWN = "WITHDRAWN\n";
-
-    /**
-     * Setup a bi-directional path with constraints between switch to switch.
-     * Switch is identified by DPID.
-     *
-     * @param src the path source (DPID or hostID)
-     * @param dst the path destination (DPID or hostID)
-     * @param srcPort the source port (-1 if src/dest is a host)
-     * @param dstPort the destination port (-1 if src/dest is a host)
-     * @param bandwidth the bandwidth (mbps) requirement for the path
-     * @param latency the latency (micro sec) requirement for the path
-     * @return intent key if successful,
-     *         server error message or "FAILED" if failed to create or submit intent
-     */
-    @javax.ws.rs.Path("/{src}/{dst}/{srcPort}/{dstPort}/{bandwidth}/{latency}")
-    @POST
-    // TODO could allow applications to provide optional key
-    // ... if you do, you will need to change from LongKeys to StringKeys
-    public Response setupPath(@PathParam("src") String src,
-                              @PathParam("dst") String dst,
-                              @PathParam("srcPort") String srcPort,
-                              @PathParam("dstPort") String dstPort,
-                              @PathParam("bandwidth") String bandwidth,
-                              @PathParam("latency") String latency) {
-
-        log.info("Path Constraints: Src = {} SrcPort = {} Dest = {} DestPort = {} " +
-                          "BW = {} latency = {}",
-                 src, srcPort, dst, dstPort, bandwidth, latency);
-
-        if (src == null || dst == null || srcPort == null || dstPort == null) {
-            return Response.ok(INVALID_PARAMETER).build();
-        }
-
-        Long bandwidthL = 0L;
-        Long latencyL = 0L;
-        try {
-            bandwidthL = Long.parseLong(bandwidth, 10);
-            latencyL = Long.parseLong(latency, 10);
-        } catch (Exception e) {
-            return Response.ok(INVALID_PARAMETER).build();
-        }
-
-        Intent intent = createIntent(null, src, dst, srcPort, dstPort, bandwidthL, latencyL);
-        try {
-            if (submitIntent(intent)) {
-                return Response.ok(intent.key() + "\n").build();
-            } else {
-                return Response.ok(OPERATION_FAILED).build();
-            }
-        } catch (Exception e) {
-            return Response.status(Response.Status.INTERNAL_SERVER_ERROR).build();
-        }
-    }
-
-    /**
-     * Modify a bi-directional path's bandwidth.
-     *
-     * @param intentKey the path intent key
-     * @param src the path source (DPID or hostID)
-     * @param dst the path destination (DPID or hostID)
-     * @param srcPort the source port (-1 if src/dest is a host)
-     * @param dstPort the destination port (-1 if src/dest is a host)
-     * @param bandwidth the bandwidth (mbps) requirement for the path
-     * @return Intent state, "INSTALLED", if successful,
-     *         server error message or "FAILED" if failed to modify any direction intent
-     */
-    @javax.ws.rs.Path("/{intentKey}/{src}/{dst}/{srcPort}/{dstPort}/{bandwidth}")
-    @PUT
-    public Response modifyBandwidth(@PathParam("intentKey") String intentKey,
-                                    @PathParam("src") String src,
-                                    @PathParam("dst") String dst,
-                                    @PathParam("srcPort") String srcPort,
-                                    @PathParam("dstPort") String dstPort,
-                                    @PathParam("bandwidth") String bandwidth) {
-
-        log.info("Modify bw for intentKey = {}; src = {}; dst = {};" +
-                         "srcPort = {}; dstPort = {}; with new bandwidth = {}",
-                 intentKey, src, dst, srcPort, dstPort, bandwidth);
-
-        if (src == null || dst == null || srcPort == null || dstPort == null) {
-            return Response.ok(INVALID_PARAMETER).build();
-        }
-
-        Long bandwidthL = 0L;
-        try {
-            bandwidthL = Long.parseLong(bandwidth, 10);
-        } catch (Exception e) {
-            return Response.ok(INVALID_PARAMETER).build();
-        }
-
-        IntentService service = get(IntentService.class);
-        Intent originalIntent
-                = service.getIntent(Key.of(Tools.fromHex(intentKey.replace("0x", "")), appId()));
-
-        if (originalIntent == null) {
-            return Response.status(Response.Status.NOT_FOUND).build();
-        }
-
-        // get the latency constraint from the original intent
-        Long latencyL = 0L;
-        if (originalIntent instanceof ConnectivityIntent) {
-            ConnectivityIntent connectivityIntent = (ConnectivityIntent) originalIntent;
-            for (Constraint constraint : connectivityIntent.constraints()) {
-                if (constraint instanceof LatencyConstraint) {
-                    latencyL = ((LatencyConstraint) constraint).latency().get(ChronoUnit.MICROS);
-                }
-            }
-        }
-
-        Intent newIntent = createIntent(originalIntent.key(), src, dst,
-                                        srcPort, dstPort, bandwidthL, latencyL);
-        try {
-            if (submitIntent(newIntent)) {
-                return Response.ok(OPERATION_INSTALLED).build();
-            } else {
-                return Response.ok(OPERATION_FAILED).build();
-            }
-        } catch (Exception e) {
-            return Response.status(Response.Status.INTERNAL_SERVER_ERROR).build();
-        }
-    }
-
-
-    /**
-     * Create an Intent for a bidirectional path with constraints.
-     *
-     * @param key optional intent key
-     * @param src the path source (DPID or hostID)
-     * @param dst the path destination (DPID or hostID)
-     * @param srcPort the source port (-1 if src/dest is a host)
-     * @param dstPort the destination port (-1 if src/dest is a host)
-     * @param bandwidth the bandwidth (mbps) requirement for the path
-     * @param latency the latency (micro sec) requirement for the path
-     * @return the appropriate intent
-     */
-    private Intent createIntent(Key key,
-                                String src,
-                                String dst,
-                                String srcPort,
-                                String dstPort,
-                                Long bandwidth,
-                                Long latency) {
-
-        TrafficSelector selector = buildTrafficSelector();
-        TrafficTreatment treatment = builder().build();
-
-        final Constraint constraintBandwidth =
-                new BandwidthConstraint(Bandwidth.mbps(bandwidth));
-        final Constraint constraintLatency =
-                new LatencyConstraint(Duration.of(latency, ChronoUnit.MICROS));
-        final List<Constraint> constraints = new LinkedList<>();
-
-        constraints.add(constraintBandwidth);
-        constraints.add(constraintLatency);
-
-        if (srcPort.equals("-1")) {
-            HostId srcPoint = HostId.hostId(src);
-            HostId dstPoint = HostId.hostId(dst);
-            return new HostToHostIntent(appId(), key, srcPoint, dstPoint,
-                                        selector, treatment, constraints,
-                                        Intent.DEFAULT_INTENT_PRIORITY);
-        } else {
-            ConnectPoint srcPoint = new ConnectPoint(deviceId(src), portNumber(srcPort));
-            ConnectPoint dstPoint = new ConnectPoint(deviceId(dst), portNumber(dstPort));
-            return new TwoWayP2PIntent(appId(), key, srcPoint, dstPoint,
-                                       selector, treatment, constraints,
-                                       Intent.DEFAULT_INTENT_PRIORITY);
-        }
-    }
-
-
-    /**
-     * Synchronously submits an intent to the Intent Service.
-     *
-     * @param intent intent to submit
-     * @return true if operation succeed, false otherwise
-     */
-    private boolean submitIntent(Intent intent)
-        throws InterruptedException {
-        IntentService service = get(IntentService.class);
-
-        CountDownLatch latch = new CountDownLatch(1);
-        InternalIntentListener listener = new InternalIntentListener(intent, service, latch);
-        service.addListener(listener);
-        service.submit(intent);
-        log.info("Submitted Calendar App intent and waiting: {}", intent);
-        if (latch.await(TIMEOUT, TimeUnit.SECONDS) &&
-                listener.getState() == INSTALLED) {
-            return true;
-        }
-        return false;
-    }
-
-    /**
-     * Remove a bi-directional path with created intent key.
-     *
-     * @param intentKey the string key for the intent to remove
-     * @return Intent state, "WITHDRAWN", if successful,
-     *         server error message or FAILED" if any direction intent remove failed
-     */
-    @javax.ws.rs.Path("/{intentKey}")
-    @DELETE
-    public Response removePath(@PathParam("intentKey") String intentKey) {
-
-        log.info("Receiving tear down request for {}", intentKey);
-
-        if (intentKey == null) {
-            return Response.ok(INVALID_PARAMETER).build();
-        }
-
-        IntentService service = get(IntentService.class);
-        Intent intent = service.getIntent(Key.of(Tools.fromHex(intentKey.replace("0x", "")), appId()));
-
-        if (intent == null) {
-            return Response.status(Response.Status.NOT_FOUND).build();
-        }
-
-        try {
-            if (withdrawIntent(intent)) {
-                return Response.ok(OPERATION_WITHDRAWN).build();
-            } else {
-                return Response.ok(OPERATION_FAILED).build();
-            }
-        } catch (Exception e) {
-            return Response.status(Response.Status.INTERNAL_SERVER_ERROR).build();
-        }
-    }
-
-    /**
-     * Synchronously withdraws an intent to the Intent Service.
-     *
-     * @param intent intent to submit
-     * @return true if operation succeed, false otherwise
-     */
-    private boolean withdrawIntent(Intent intent)
-            throws InterruptedException {
-        IntentService service = get(IntentService.class);
-
-        CountDownLatch latch = new CountDownLatch(1);
-        InternalIntentListener listener = new InternalIntentListener(intent, service, latch);
-        service.addListener(listener);
-        service.withdraw(intent);
-        log.info("Withdrawing intent and waiting: {}", intent);
-        if (latch.await(TIMEOUT, TimeUnit.SECONDS) &&
-                listener.getState() == WITHDRAWN) {
-            return true;
-        }
-        return false;
-    }
-
-
-    private static TrafficSelector buildTrafficSelector() {
-        TrafficSelector.Builder selectorBuilder = DefaultTrafficSelector.builder();
-        Short ethType = Ethernet.TYPE_IPV4;
-
-        selectorBuilder.matchEthType(ethType);
-
-        return selectorBuilder.build();
-    }
-
-    private static DeviceId deviceId(String dpid) {
-        return DeviceId.deviceId(URI.create("of:" + dpid));
-    }
-
-    protected ApplicationId appId() {
-        return get(CoreService.class).registerApplication("org.onosproject.calendar");
-    }
-
-    // Auxiliary listener to wait until the given intent reaches the installed or failed states.
-    private final class InternalIntentListener implements IntentListener {
-        private final Intent intent;
-        private final IntentService service;
-        private final CountDownLatch latch;
-        private IntentState state;
-
-        private InternalIntentListener(Intent intent, IntentService service,
-                                       CountDownLatch latch) {
-            this.intent = intent;
-            this.service = service;
-            this.latch = latch;
-        }
-
-        @Override
-        public void event(IntentEvent event) {
-            if (event.subject().equals(intent)) {
-                state = service.getIntentState(intent.key());
-                if (state == INSTALLED || state == FAILED || state == WITHDRAWN) {
-                    latch.countDown();
-                    service.removeListener(this);
-                }
-            }
-        }
-
-        public IntentState getState() {
-            return state;
-        }
-    }
-}

-/*
- * Copyright 2014 Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/**
- * Application providing integration between OSCARS and ONOS intent
- * framework via REST API.
- */
-package org.onosproject.calendar;

-<?xml version="1.0" encoding="UTF-8"?>
-<!--
-  ~ Copyright 2014 Open Networking Laboratory
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee"
-         xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
-         xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
-         id="ONOS" version="2.5">
-    <display-name>ONOS GUI</display-name>
-
-    <servlet>
-        <servlet-name>JAX-RS Service</servlet-name>
-        <servlet-class>com.sun.jersey.spi.container.servlet.ServletContainer</servlet-class>
-        <init-param>
-            <param-name>com.sun.jersey.config.property.resourceConfigClass</param-name>
-            <param-value>com.sun.jersey.api.core.ClassNamesResourceConfig</param-value>
-        </init-param>
-        <init-param>
-            <param-name>com.sun.jersey.config.property.classnames</param-name>
-            <param-value>org.onosproject.calendar.BandwidthCalendarResource</param-value>
-        </init-param>
-        <load-on-startup>10</load-on-startup>
-    </servlet>
-
-    <servlet-mapping>
-        <servlet-name>JAX-RS Service</servlet-name>
-        <url-pattern>/*</url-pattern>
-    </servlet-mapping>
-
-</web-app>

-<?xml version="1.0" encoding="UTF-8"?>
-<!--
-  ~ Copyright 2015 Open Networking Laboratory
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
-    <modelVersion>4.0.0</modelVersion>
-
-    <parent>
-        <groupId>org.onosproject</groupId>
-        <artifactId>onos-apps</artifactId>
-        <version>1.2.0-SNAPSHOT</version>
-        <relativePath>../pom.xml</relativePath>
-    </parent>
-
-    <artifactId>onos-app-database-perf</artifactId>
-    <packaging>bundle</packaging>
-
-    <description>ONOS partitioned database perf test app bundle</description>
-
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-assembly-plugin</artifactId>
-                <version>2.5.3</version>
-                <configuration>
-                    <descriptor>src/assembly/bin.xml</descriptor>
-                </configuration>
-                <executions>
-                    <execution>
-                        <phase>package</phase>
-                        <goals>
-                            <goal>single</goal>
-                        </goals>
-                    </execution>
-                </executions>
-            </plugin>
-        </plugins>
-    </build>
-</project>

-<?xml version="1.0" encoding="UTF-8"?>
-<!--
-  ~ Copyright 2015 Open Networking Laboratory
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-<app name="org.onosproject.databaseperf" origin="ON.Lab" version="1.1.0"
-     features="onos-app-database-perf">
-    <description>Partitioned database performance measurement application</description>
-</app>

-<?xml version="1.0" encoding="UTF-8"?>
-<!--
-  ~ Copyright 2015 Open Networking Laboratory
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-<assembly
-        xmlns="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.2"
-        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-        xsi:schemaLocation="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.2 http://maven.apache.org/xsd/assembly-1.1.2.xsd">
-    <formats>
-        <format>zip</format>
-    </formats>
-    <id>onos</id>
-    <includeBaseDirectory>false</includeBaseDirectory>
-    <files>
-        <file>
-            <source>src/assembly/app.xml</source>
-            <destName>app.xml</destName>
-        </file>
-        <file>
-            <source>target/${project.artifactId}-${project.version}.jar</source>
-            <destName>m2/org/onosproject/${project.artifactId}/${project.version}/${project.artifactId}-${project.version}.jar</destName>
-        </file>
-    </files>
-</assembly>

-/*
- * Copyright 2015 Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.onosproject.databaseperf;
-
-import static org.apache.felix.scr.annotations.ReferenceCardinality.MANDATORY_UNARY;
-import static org.onlab.util.Tools.delay;
-import static org.onlab.util.Tools.groupedThreads;
-import static org.slf4j.LoggerFactory.getLogger;
-
-import java.util.Timer;
-import java.util.TimerTask;
-import java.util.UUID;
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Executors;
-import java.util.concurrent.TimeUnit;
-import java.util.concurrent.atomic.AtomicInteger;
-import java.util.stream.IntStream;
-
-import org.apache.commons.lang.math.RandomUtils;
-import org.apache.felix.scr.annotations.Activate;
-import org.apache.felix.scr.annotations.Component;
-import org.apache.felix.scr.annotations.Deactivate;
-import org.apache.felix.scr.annotations.Reference;
-import org.onlab.util.KryoNamespace;
-import org.onosproject.cluster.ClusterService;
-import org.onosproject.cluster.ControllerNode;
-import org.onosproject.core.ApplicationId;
-import org.onosproject.core.CoreService;
-import org.onosproject.store.service.ConsistentMap;
-import org.onosproject.store.service.Serializer;
-import org.onosproject.store.service.StorageService;
-import org.slf4j.Logger;
-
-/**
- * Application to measure partitioned database performance.
- */
-@Component(immediate = true)
-public class DatabasePerfInstaller {
-
-    private final Logger log = getLogger(getClass());
-
-    @Reference(cardinality = MANDATORY_UNARY)
-    protected CoreService coreService;
-
-    @Reference(cardinality = MANDATORY_UNARY)
-    protected ClusterService clusterService;
-
-    @Reference(cardinality = MANDATORY_UNARY)
-    protected StorageService storageService;
-
-    private boolean stopped;
-
-    private ApplicationId appId;
-
-    private static final long REPORT_PERIOD = 5000L; //ms
-    private Timer reportTimer;
-
-    private AtomicInteger successCount = new AtomicInteger(0);
-    private AtomicInteger failureCount = new AtomicInteger(0);
-
-    private ConsistentMap<String, String> cmap;
-
-    private ControllerNode localNode;
-
-    private long reportStartTime = System.currentTimeMillis();
-
-    private static final int NUM_TASK_THREADS = 2;
-    private ExecutorService taskExecutor;
-
-    private static final Serializer SERIALIZER = new Serializer() {
-
-        KryoNamespace kryo = new KryoNamespace.Builder().build();
-
-        @Override
-        public <T> byte[] encode(T object) {
-            return kryo.serialize(object);
-        }
-
-        @Override
-        public <T> T decode(byte[] bytes) {
-            return kryo.deserialize(bytes);
-        }
-
-    };
-
-    @Activate
-    public void activate() {
-        localNode = clusterService.getLocalNode();
-        String nodeId = localNode.ip().toString();
-        appId = coreService.registerApplication("org.onosproject.nettyperf."
-                                                        + nodeId);
-
-        cmap = storageService.createConsistentMap("onos-app-database-perf-test-map", SERIALIZER);
-        taskExecutor = Executors.newFixedThreadPool(NUM_TASK_THREADS, groupedThreads("onos/database-perf", "worker"));
-        log.info("Started with Application ID {}", appId.id());
-        start();
-    }
-
-    @Deactivate
-    public void deactivate() {
-        stop();
-        log.info("Stopped");
-    }
-
-    public void start() {
-        long delay = System.currentTimeMillis() % REPORT_PERIOD;
-        reportTimer = new Timer("onos-netty-perf-reporter");
-        reportTimer.scheduleAtFixedRate(new TimerTask() {
-            @Override
-            public void run() {
-                report();
-            }
-        }, delay, REPORT_PERIOD);
-
-        stopped = false;
-        IntStream.range(0, NUM_TASK_THREADS).forEach(i -> {
-            taskExecutor.submit(() -> {
-                delay(2000); // take a breath to start
-                while (!stopped) {
-                    performDBOperation();
-                    delay(2); // take a breather
-                }
-            });
-        });
-    }
-
-    private void performDBOperation() {
-        String key = String.format("test%d", RandomUtils.nextInt(1000));
-        try {
-            if (RandomUtils.nextBoolean()) {
-                cmap.put(key, UUID.randomUUID().toString());
-            } else {
-                cmap.get(key);
-            }
-            successCount.incrementAndGet();
-        } catch (Exception e) {
-            failureCount.incrementAndGet();
-        }
-    }
-
-    private void report() {
-        long delta = System.currentTimeMillis() - reportStartTime;
-        if (delta > 0) {
-            int rate = (int) Math.round(((successCount.get() * 1000.0) / delta));
-            log.info("Passed: {}, Failed: {}, Rate: {}",
-                    successCount.getAndSet(0), failureCount.getAndSet(0), rate);
-            reportStartTime = System.currentTimeMillis();
-        }
-    }
-
-    public void stop() {
-        reportTimer.cancel();
-        reportTimer = null;
-        stopped = true;
-        try {
-            taskExecutor.awaitTermination(5, TimeUnit.SECONDS);
-        } catch (InterruptedException e) {
-            log.warn("Failed to stop worker.");
-        }
-    }
-}

-/*
- * Copyright 2015 Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/**
- * Performance test application that induces steady load on the partitioned database.
- */
-package org.onosproject.databaseperf;

-<?xml version="1.0" encoding="UTF-8"?>
-<!--
-  ~ Copyright 2014 Open Networking Laboratory
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
-    <modelVersion>4.0.0</modelVersion>
-
-    <parent>
-        <groupId>org.onosproject</groupId>
-        <artifactId>onos-apps</artifactId>
-        <version>1.2.0-SNAPSHOT</version>
-        <relativePath>../pom.xml</relativePath>
-    </parent>
-
-    <artifactId>onos-app-demo</artifactId>
-    <packaging>bundle</packaging>
-
-    <description>ONOS demo app bundle</description>
-
-    <properties>
-        <web.context>/onos/demo</web.context>
-    </properties>
-
-    <dependencies>
-        <dependency>
-            <groupId>org.osgi</groupId>
-            <artifactId>org.osgi.compendium</artifactId>
-        </dependency>
-        <dependency>
-            <groupId>org.onosproject</groupId>
-            <artifactId>onlab-rest</artifactId>
-            <version>${project.version}</version>
-        </dependency>
-
-        <dependency>
-            <groupId>org.onosproject</groupId>
-            <artifactId>onos-rest</artifactId>
-            <version>${project.version}</version>
-        </dependency>
-
-        <dependency>
-            <groupId>com.sun.jersey</groupId>
-            <artifactId>jersey-servlet</artifactId>
-        </dependency>
-        <dependency>
-            <groupId>com.sun.jersey.jersey-test-framework</groupId>
-            <artifactId>jersey-test-framework-core</artifactId>
-            <version>1.18.1</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>com.sun.jersey.jersey-test-framework</groupId>
-            <artifactId>jersey-test-framework-grizzly2</artifactId>
-            <version>1.18.1</version>
-            <scope>test</scope>
-        </dependency>
-
-        <dependency>
-            <groupId>com.fasterxml.jackson.core</groupId>
-            <artifactId>jackson-databind</artifactId>
-        </dependency>
-
-        <dependency>
-            <groupId>com.fasterxml.jackson.core</groupId>
-            <artifactId>jackson-annotations</artifactId>
-        </dependency>
-
-        <dependency>
-            <groupId>org.osgi</groupId>
-            <artifactId>org.osgi.core</artifactId>
-        </dependency>
-    </dependencies>
-
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.felix</groupId>
-                <artifactId>maven-bundle-plugin</artifactId>
-                <extensions>true</extensions>
-                <configuration>
-                    <instructions>
-                        <_wab>src/main/webapp/</_wab>
-                        <Bundle-SymbolicName>
-                            ${project.groupId}.${project.artifactId}
-                        </Bundle-SymbolicName>
-                        <Import-Package>
-                            org.slf4j,
-                            org.osgi.framework,
-                            javax.ws.rs,javax.ws.rs.core,
-                            com.sun.jersey.api.core,
-                            com.sun.jersey.spi.container.servlet,
-                            com.sun.jersey.server.impl.container.servlet,
-                            com.fasterxml.jackson.databind,
-                            com.fasterxml.jackson.databind.node,
-                            org.apache.commons.lang.math.*,
-                            com.google.common.*,
-                            org.onlab.packet.*,
-                            org.onlab.rest.*,
-                            org.onosproject.*,
-                            org.onlab.util.*,
-                            org.jboss.netty.util.*
-                        </Import-Package>
-                        <Web-ContextPath>${web.context}</Web-ContextPath>
-                    </instructions>
-                </configuration>
-            </plugin>
-        </plugins>
-    </build>
-
-</project>

-/*
- * Copyright 2014 Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.onosproject.demo;
-
-import com.fasterxml.jackson.databind.JsonNode;
-
-import java.util.Optional;
-
-/**
- * Simple demo api interface.
- */
-public interface DemoAPI {
-
-    enum InstallType { MESH, RANDOM };
-
-    /**
-     * Tests flow subsystem based on the parameters supplied.
-     *
-     * @param params the test parameters
-     * @return JSON representation
-     */
-    JsonNode flowTest(Optional<JsonNode> params);
-
-    /**
-     * Installs intents based on the installation type.
-     * @param type the installation type.
-     * @param runParams run params
-     */
-    void setup(InstallType type, Optional<JsonNode> runParams);
-
-    /**
-     * Uninstalls all existing intents.
-     */
-    void tearDown();
-
-}

-/*
- * Copyright 2014 Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.onosproject.demo;
-
-import com.fasterxml.jackson.databind.JsonNode;
-import com.fasterxml.jackson.databind.ObjectMapper;
-import com.fasterxml.jackson.databind.node.ObjectNode;
-import com.google.common.base.Predicate;
-import com.google.common.base.Stopwatch;
-import com.google.common.collect.FluentIterable;
-import com.google.common.collect.Lists;
-import com.google.common.collect.Sets;
-import com.google.common.util.concurrent.ThreadFactoryBuilder;
-import org.apache.commons.lang.math.RandomUtils;
-import org.apache.felix.scr.annotations.Activate;
-import org.apache.felix.scr.annotations.Component;
-import org.apache.felix.scr.annotations.Deactivate;
-import org.apache.felix.scr.annotations.Reference;
-import org.apache.felix.scr.annotations.ReferenceCardinality;
-import org.apache.felix.scr.annotations.Service;
-import org.onlab.packet.MacAddress;
-import org.onosproject.cluster.ClusterService;
-import org.onosproject.cluster.ControllerNode;
-import org.onosproject.cluster.NodeId;
-import org.onosproject.core.ApplicationId;
-import org.onosproject.core.CoreService;
-import org.onosproject.mastership.MastershipService;
-import org.onosproject.net.Device;
-import org.onosproject.net.Host;
-import org.onosproject.net.HostId;
-import org.onosproject.net.MastershipRole;
-import org.onosproject.net.PortNumber;
-import org.onosproject.net.device.DeviceService;
-import org.onosproject.net.flow.DefaultFlowRule;
-import org.onosproject.net.flow.DefaultTrafficSelector;
-import org.onosproject.net.flow.DefaultTrafficTreatment;
-import org.onosproject.net.flow.FlowRuleOperations;
-import org.onosproject.net.flow.FlowRuleOperationsContext;
-import org.onosproject.net.flow.FlowRuleService;
-import org.onosproject.net.flow.TrafficSelector;
-import org.onosproject.net.flow.TrafficTreatment;
-import org.onosproject.net.host.HostService;
-import org.onosproject.net.intent.Constraint;
-import org.onosproject.net.intent.HostToHostIntent;
-import org.onosproject.net.intent.Intent;
-import org.onosproject.net.intent.IntentService;
-import org.slf4j.Logger;
-
-import java.util.Collection;
-import java.util.Collections;
-import java.util.HashSet;
-import java.util.Iterator;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.Objects;
-import java.util.Optional;
-import java.util.Random;
-import java.util.Set;
-import java.util.concurrent.Callable;
-import java.util.concurrent.CountDownLatch;
-import java.util.concurrent.ExecutionException;
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Executors;
-import java.util.concurrent.Future;
-import java.util.concurrent.TimeUnit;
-import java.util.concurrent.TimeoutException;
-
-import static org.slf4j.LoggerFactory.getLogger;
-
-/**
- * Application to set up demos.
- */
-@Component(immediate = true)
-@Service
-public class DemoInstaller implements DemoAPI {
-
-    private final Logger log = getLogger(getClass());
-
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected CoreService coreService;
-
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected IntentService intentService;
-
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected HostService hostService;
-
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected MastershipService mastershipService;
-
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected ClusterService clusterService;
-
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected DeviceService deviceService;
-
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected FlowRuleService flowService;
-
-    private ExecutorService worker;
-
-    private ExecutorService installWorker;
-
-    private ApplicationId appId;
-
-    private final Set<Intent> existingIntents = new HashSet<>();
-    private RandomInstaller randomInstaller;
-
-    private ObjectMapper mapper = new ObjectMapper();
-
-
-
-    @Activate
-    public void activate() {
-        String nodeId = clusterService.getLocalNode().ip().toString();
-        appId = coreService.registerApplication("org.onosproject.demo.installer."
-                                                        + nodeId);
-        worker = Executors.newFixedThreadPool(1,
-                                              new ThreadFactoryBuilder()
-                                                      .setNameFormat("demo-app-worker")
-                                                      .build());
-        log.info("Started with Application ID {}", appId.id());
-    }
-
-    @Deactivate
-    public void deactivate() {
-        shutdownAndAwaitTermination(worker);
-        if (installWorker != null && !installWorker.isShutdown()) {
-            shutdownAndAwaitTermination(installWorker);
-        }
-        log.info("Stopped");
-    }
-
-    @Override
-    public JsonNode flowTest(Optional<JsonNode> params) {
-        int flowsPerDevice = 1000;
-        int neighbours = 0;
-        boolean remove = true;
-        if (params.isPresent()) {
-            flowsPerDevice = params.get().get("flowsPerDevice").asInt();
-            neighbours = params.get().get("neighbours").asInt();
-            remove = params.get().get("remove").asBoolean();
-        }
-
-        Future<JsonNode> future = worker.submit(new FlowTest(flowsPerDevice, neighbours, remove));
-
-        try {
-            return future.get(10, TimeUnit.SECONDS);
-        } catch (InterruptedException | ExecutionException | TimeoutException e) {
-            ObjectNode node = mapper.createObjectNode();
-            node.put("Error", e.getMessage());
-            return node;
-        }
-    }
-
-    @Override
-    public void setup(InstallType type, Optional<JsonNode> runParams) {
-        switch (type) {
-            case MESH:
-                log.debug("Installing mesh intents");
-                worker.execute(new MeshInstaller());
-                break;
-            case RANDOM:
-                //check that we do not have a random installer running
-                if (installWorker == null || installWorker.isShutdown()) {
-                    installWorker = Executors.newFixedThreadPool(1,
-                                                   new ThreadFactoryBuilder()
-                                                           .setNameFormat("random-worker")
-                                                           .build());
-                    log.debug("Installing random sequence of intents");
-                    randomInstaller = new RandomInstaller(runParams);
-                    installWorker.execute(randomInstaller);
-                } else {
-                    log.warn("Random installer is already running");
-                }
-                break;
-            default:
-                throw new IllegalArgumentException("What is it you want exactly?");
-        }
-    }
-
-    @Override
-    public void tearDown() {
-        worker.submit(new UnInstaller());
-    }
-
-
-    /**
-     * Simply installs a mesh of intents from all the hosts existing in the network.
-     */
-    private class MeshInstaller implements Runnable {
-
-        @Override
-        public void run() {
-            TrafficSelector selector = DefaultTrafficSelector.emptySelector();
-            TrafficTreatment treatment = DefaultTrafficTreatment.emptyTreatment();
-            List<Constraint> constraint = Lists.newArrayList();
-            List<Host> hosts = Lists.newArrayList(hostService.getHosts());
-            while (!hosts.isEmpty()) {
-                Host src = hosts.remove(0);
-                for (Host dst : hosts) {
-                    HostToHostIntent intent = new HostToHostIntent(appId, src.id(), dst.id(),
-                                                                   selector, treatment,
-                                                                   constraint,
-                                                                   Intent.DEFAULT_INTENT_PRIORITY);
-                    existingIntents.add(intent);
-                    intentService.submit(intent);
-                }
-            }
-        }
-    }
-
-    /**
-     * Randomly installs and withdraws intents.
-     */
-    private class RandomInstaller implements Runnable {
-
-        private final boolean isLocal;
-        private final Set<Host> hosts;
-
-        private final Random random = new Random(System.currentTimeMillis());
-
-        private Set<HostPair> uninstalledOrWithdrawn;
-        private Set<HostPair> installed;
-
-        private CountDownLatch latch;
-
-        //used to wait on a batch to be processed.
-        private static final int ITERATIONMAX = 50000000;
-
-
-        public RandomInstaller(Optional<JsonNode> runParams) {
-            /*
-                Check if we have params and honour them. Otherwise
-                    set defaults to processing only local stuff and
-                    all local hosts.
-             */
-            if (runParams.isPresent()) {
-                JsonNode node = runParams.get();
-                isLocal = node.get("local").asBoolean();
-                hosts = node.get("hosts") == null ? Sets.newHashSet(hostService.getHosts()) :
-                        constructHostIds(node.get("hosts").elements());
-            } else {
-                isLocal = true;
-                hosts = Sets.newHashSet(hostService.getHosts());
-            }
-
-            //construct list of intents.
-            installed = Sets.newHashSet();
-            if (isLocal) {
-                uninstalledOrWithdrawn = buildPairs(pruneHostsByMasterShip());
-            } else {
-                uninstalledOrWithdrawn = buildPairs(hosts);
-            }
-
-        }
-
-        private Set<Host> constructHostIds(Iterator<JsonNode> elements) {
-            Set<Host> hostIds = Sets.newHashSet();
-            JsonNode n;
-            while (elements.hasNext()) {
-                n = elements.next();
-                hostIds.add(hostService.getHost(HostId.hostId(n.textValue())));
-            }
-            return hostIds;
-        }
-
-        @Override
-        public void run() {
-            if (!installWorker.isShutdown()) {
-                randomize();
-                latch = new CountDownLatch(1);
-                try {
-                    trackIntents();
-                } catch (InterruptedException e) {
-                    shutdown();
-                }
-            }
-
-        }
-
-
-        /**
-         *   Check whether the previously submitted batch is in progress
-         *   and if yes submit the next one. If things hang, wait for at
-         *   most 5 seconds and bail.
-         * @throws InterruptedException if the thread go interupted
-         */
-        private void trackIntents() throws InterruptedException {
-            //FIXME
-            // TODO generate keys for each set of intents to allow manager to throttle
-            // TODO may also look into the store to see how many operations are pending
-
-            //if everything is good proceed.
-            if (!installWorker.isShutdown()) {
-                installWorker.execute(this);
-            }
-
-        }
-
-        public void shutdown() {
-            log.warn("Shutting down random installer!");
-            cleanUp();
-        }
-
-
-        /**
-         *   Shuffle the uninstalled and installed list (separately) and select
-         *   a random number of them and install or uninstall them respectively.
-         */
-        private void randomize() {
-            List<HostPair> hostList = new LinkedList<>(uninstalledOrWithdrawn);
-            Collections.shuffle(hostList);
-            List<HostPair> toInstall = hostList.subList(0,
-                                                        random.nextInt(hostList.size() - 1));
-            List<HostPair> toRemove;
-            if (!installed.isEmpty()) {
-                hostList = new LinkedList<>(installed);
-                Collections.shuffle(hostList);
-                toRemove = hostList.subList(0,
-                                            random.nextInt(hostList.size() - 1));
-                uninstallIntents(toRemove);
-            }
-            installIntents(toInstall);
-
-        }
-
-        private void installIntents(List<HostPair> toInstall) {
-            for (HostPair pair : toInstall) {
-                installed.add(pair);
-                uninstalledOrWithdrawn.remove(pair);
-                intentService.submit(pair.h2hIntent());
-            }
-        }
-
-        private void uninstallIntents(Collection<HostPair> toRemove) {
-            for (HostPair pair : toRemove) {
-                installed.remove(pair);
-                uninstalledOrWithdrawn.add(pair);
-                intentService.withdraw(pair.h2hIntent());
-            }
-        }
-
-        /**
-         *  Take everything and remove it all.
-         */
-        private void cleanUp() {
-            List<HostPair> allPairs = Lists.newArrayList(installed);
-            allPairs.addAll(uninstalledOrWithdrawn);
-            for (HostPair pair : allPairs) {
-                intentService.withdraw(pair.h2hIntent());
-            }
-        }
-
-
-        private Set<HostPair> buildPairs(Set<Host> hosts) {
-            Set<HostPair> pairs = Sets.newHashSet();
-            Iterator<Host> it = Sets.newHashSet(hosts).iterator();
-            while (it.hasNext()) {
-                Host src = it.next();
-                it.remove();
-                for (Host dst : hosts) {
-                    pairs.add(new HostPair(src, dst));
-                }
-            }
-            return pairs;
-        }
-
-        private Set<Host> pruneHostsByMasterShip() {
-            return FluentIterable.from(hosts)
-                    .filter(hasLocalMaster())
-                    .toSet();
-
-        }
-
-        private Predicate<? super Host> hasLocalMaster() {
-            return new Predicate<Host>() {
-                @Override
-                public boolean apply(Host host) {
-                    return mastershipService.getLocalRole(
-                            host.location().deviceId()).equals(MastershipRole.MASTER);
-                }
-            };
-        }
-
-
-        /**
-         * Simple class representing a pair of hosts and precomputes the associated
-         * h2h intent.
-         */
-        private class HostPair {
-
-            private final Host src;
-            private final Host dst;
-
-            private final TrafficSelector selector = DefaultTrafficSelector.emptySelector();
-            private final TrafficTreatment treatment = DefaultTrafficTreatment.emptyTreatment();
-            private final List<Constraint> constraint = Lists.newArrayList();
-            private final HostToHostIntent intent;
-
-            public HostPair(Host src, Host dst) {
-                this.src = src;
-                this.dst = dst;
-                this.intent = new HostToHostIntent(appId, src.id(), dst.id(),
-                                                   selector, treatment, constraint,
-                                                   Intent.DEFAULT_INTENT_PRIORITY);
-            }
-
-            public HostToHostIntent h2hIntent() {
-                return intent;
-            }
-
-            @Override
-            public boolean equals(Object o) {
-                if (this == o) {
-                    return true;
-                }
-                if (o == null || getClass() != o.getClass()) {
-                    return false;
-                }
-
-                HostPair hostPair = (HostPair) o;
-
-                return Objects.equals(src, hostPair.src) &&
-                        Objects.equals(dst, hostPair.dst);
-
-            }
-
-            @Override
-            public int hashCode() {
-                return Objects.hash(src, dst);
-            }
-
-
-        }
-
-    }
-
-    /**
-     * Remove anything that is running and clear it all out.
-     */
-    private class UnInstaller implements Runnable {
-        @Override
-        public void run() {
-            if (!existingIntents.isEmpty()) {
-                clearExistingIntents();
-            }
-
-            if (installWorker != null && !installWorker.isShutdown()) {
-                shutdownAndAwaitTermination(installWorker);
-                randomInstaller.shutdown();
-            }
-        }
-
-        private void clearExistingIntents() {
-            for (Intent i : existingIntents) {
-                intentService.withdraw(i);
-            }
-            existingIntents.clear();
-        }
-    }
-
-    /**
-     * Shutdown a pool cleanly if possible.
-     *
-     * @param pool an executorService
-     */
-    private void shutdownAndAwaitTermination(ExecutorService pool) {
-        pool.shutdown(); // Disable new tasks from being submitted
-        try {
-            // Wait a while for existing tasks to terminate
-            if (!pool.awaitTermination(10, TimeUnit.SECONDS)) {
-                pool.shutdownNow(); // Cancel currently executing tasks
-                // Wait a while for tasks to respond to being cancelled
-                if (!pool.awaitTermination(10, TimeUnit.SECONDS)) {
-                    log.error("Pool did not terminate");
-                }
-            }
-        } catch (Exception ie) {
-            // (Re-)Cancel if current thread also interrupted
-            pool.shutdownNow();
-            // Preserve interrupt status
-            Thread.currentThread().interrupt();
-        }
-    }
-
-    private class FlowTest implements Callable<JsonNode> {
-        private final int flowPerDevice;
-        private final int neighbours;
-        private final boolean remove;
-        private FlowRuleOperations.Builder adds;
-        private FlowRuleOperations.Builder removes;
-
-        public FlowTest(int flowsPerDevice, int neighbours, boolean remove) {
-            this.flowPerDevice = flowsPerDevice;
-            this.neighbours = neighbours;
-            this.remove = remove;
-            prepareInstallation();
-        }
-
-        private void prepareInstallation() {
-            Set<ControllerNode> instances = Sets.newHashSet(clusterService.getNodes());
-            instances.remove(clusterService.getLocalNode());
-            Set<NodeId> acceptableNodes = Sets.newHashSet();
-            if (neighbours >= instances.size()) {
-                instances.forEach(instance -> acceptableNodes.add(instance.id()));
-            } else {
-                Iterator<ControllerNode> nodes = instances.iterator();
-                for (int i = neighbours; i > 0; i--) {
-                    acceptableNodes.add(nodes.next().id());
-                }
-            }
-            acceptableNodes.add(clusterService.getLocalNode().id());
-
-            Set<Device> devices = Sets.newHashSet();
-            for (Device dev : deviceService.getDevices()) {
-                if (acceptableNodes.contains(
-                        mastershipService.getMasterFor(dev.id()))) {
-                    devices.add(dev);
-                }
-            }
-
-            TrafficTreatment treatment = DefaultTrafficTreatment.builder()
-                    .setOutput(PortNumber.portNumber(RandomUtils.nextInt())).build();
-            TrafficSelector.Builder sbuilder;
-            FlowRuleOperations.Builder rules = FlowRuleOperations.builder();
-            FlowRuleOperations.Builder remove = FlowRuleOperations.builder();
-
-            for (Device d : devices) {
-                for (int i = 0; i < this.flowPerDevice; i++) {
-                    sbuilder = DefaultTrafficSelector.builder();
-
-                    sbuilder.matchEthSrc(MacAddress.valueOf(RandomUtils.nextInt() * i))
-                            .matchEthDst(MacAddress.valueOf((Integer.MAX_VALUE - i) * RandomUtils.nextInt()));
-
-
-                    int randomPriority = RandomUtils.nextInt();
-                    DefaultFlowRule f = new DefaultFlowRule(d.id(), sbuilder.build(), treatment,
-                                                            randomPriority, appId, 10, false);
-                    rules.add(f);
-                    remove.remove(f);
-
-                }
-            }
-
-            this.adds = rules;
-            this.removes = remove;
-        }
-
-        @Override
-        public JsonNode call() throws Exception {
-            ObjectNode node = mapper.createObjectNode();
-            CountDownLatch latch = new CountDownLatch(1);
-            flowService.apply(adds.build(new FlowRuleOperationsContext() {
-
-                private final Stopwatch timer = Stopwatch.createStarted();
-
-                @Override
-                public void onSuccess(FlowRuleOperations ops) {
-
-                    long elapsed = timer.elapsed(TimeUnit.MILLISECONDS);
-                    node.put("elapsed", elapsed);
-
-
-                    latch.countDown();
-                }
-            }));
-
-            latch.await(10, TimeUnit.SECONDS);
-            if (this.remove) {
-                flowService.apply(removes.build());
-            }
-            return node;
-        }
-    }
-}
-
-

-/*
- * Copyright 2014 Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.onosproject.demo;
-
-import com.fasterxml.jackson.databind.JsonNode;
-import com.fasterxml.jackson.databind.ObjectMapper;
-import org.onlab.rest.BaseResource;
-
-import javax.ws.rs.Consumes;
-import javax.ws.rs.GET;
-import javax.ws.rs.POST;
-import javax.ws.rs.Path;
-import javax.ws.rs.Produces;
-import javax.ws.rs.core.MediaType;
-import javax.ws.rs.core.Response;
-import java.io.IOException;
-import java.io.InputStream;
-import java.util.Optional;
-
-/**
- * Rest API for demos.
- */
-@Path("intents")
-public class DemoResource extends BaseResource {
-
-
-
-    @POST
-    @Path("flowTest")
-    @Consumes(MediaType.APPLICATION_JSON)
-    @Produces(MediaType.APPLICATION_JSON)
-    public Response flowTest(InputStream input) throws IOException {
-        ObjectMapper mapper = new ObjectMapper();
-        JsonNode cfg = mapper.readTree(input);
-        DemoAPI demo = get(DemoAPI.class);
-        return Response.ok(demo.flowTest(Optional.ofNullable(cfg)).toString()).build();
-    }
-
-    @POST
-    @Path("setup")
-    @Consumes(MediaType.APPLICATION_JSON)
-    @Produces(MediaType.APPLICATION_JSON)
-    public Response setup(InputStream input) throws IOException {
-        ObjectMapper mapper = new ObjectMapper();
-        JsonNode cfg = mapper.readTree(input);
-        if (!cfg.has("type")) {
-            return Response.status(Response.Status.BAD_REQUEST)
-                    .entity("Expected type field containing either mesh or random.").build();
-        }
-
-
-        DemoAPI.InstallType type = DemoAPI.InstallType.valueOf(
-                cfg.get("type").asText().toUpperCase());
-        DemoAPI demo = get(DemoAPI.class);
-        demo.setup(type, Optional.ofNullable(cfg.get("runParams")));
-
-        return Response.ok(mapper.createObjectNode().toString()).build();
-    }
-
-    @GET
-    @Path("teardown")
-    @Produces(MediaType.APPLICATION_JSON)
-    public Response tearDown() throws IOException {
-        ObjectMapper mapper = new ObjectMapper();
-        DemoAPI demo = get(DemoAPI.class);
-        demo.tearDown();
-        return Response.ok(mapper.createObjectNode().toString()).build();
-    }
-
-}

-/*
- * Copyright 2014 Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/**
- *  Demo applications live here.
- */
-package org.onosproject.demo;

-<?xml version="1.0" encoding="UTF-8"?>
-<!--
-  ~ Copyright 2014 Open Networking Laboratory
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee"
-         xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
-         xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
-         id="ONOS" version="2.5">
-    <display-name>ONOS DEMO APP API v1.0</display-name>
-
-    <servlet>
-        <servlet-name>JAX-RS Service</servlet-name>
-        <servlet-class>com.sun.jersey.spi.container.servlet.ServletContainer</servlet-class>
-        <init-param>
-            <param-name>com.sun.jersey.config.property.resourceConfigClass</param-name>
-            <param-value>com.sun.jersey.api.core.ClassNamesResourceConfig</param-value>
-        </init-param>
-        <init-param>
-            <param-name>com.sun.jersey.config.property.classnames</param-name>
-            <param-value>
-                org.onosproject.demo.DemoResource
-            </param-value>
-        </init-param>
-        <load-on-startup>1</load-on-startup>
-    </servlet>
-
-    <servlet-mapping>
-        <servlet-name>JAX-RS Service</servlet-name>
-        <url-pattern>/*</url-pattern>
-    </servlet-mapping>
-
-</web-app>

-<?xml version="1.0" encoding="UTF-8"?>
-<!--
-  ~ Copyright 2014 Open Networking Laboratory
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
-    <modelVersion>4.0.0</modelVersion>
-
-    <parent>
-        <groupId>org.onosproject</groupId>
-        <artifactId>onos-apps</artifactId>
-        <version>1.2.0-SNAPSHOT</version>
-        <relativePath>../pom.xml</relativePath>
-    </parent>
-
-    <artifactId>onos-app-election</artifactId>
-    <packaging>bundle</packaging>
-
-    <description>ONOS app leadership election test</description>
-
-    <dependencies>
-
-        <dependency>
-            <groupId>org.onosproject</groupId>
-            <artifactId>onos-api</artifactId>
-            <version>${project.version}</version>
-            <scope>test</scope>
-            <classifier>tests</classifier>
-        </dependency>
-
-        <dependency>
-            <groupId>org.onosproject</groupId>
-            <artifactId>onos-cli</artifactId>
-            <version>${project.version}</version>
-        </dependency>
-
-        <dependency>
-            <groupId>org.osgi</groupId>
-            <artifactId>org.osgi.core</artifactId>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.karaf.shell</groupId>
-            <artifactId>org.apache.karaf.shell.console</artifactId>
-        </dependency>
-
-    </dependencies>
-
-</project>

-/*
- * Copyright 2014 Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.onosproject.election;
-
-import static org.slf4j.LoggerFactory.getLogger;
-
-import org.apache.felix.scr.annotations.Activate;
-import org.apache.felix.scr.annotations.Component;
-import org.apache.felix.scr.annotations.Deactivate;
-import org.apache.felix.scr.annotations.Reference;
-import org.apache.felix.scr.annotations.ReferenceCardinality;
-import org.onosproject.cluster.ClusterService;
-import org.onosproject.core.CoreService;
-import org.onosproject.cluster.ControllerNode;
-import org.onosproject.cluster.LeadershipEvent;
-import org.onosproject.cluster.LeadershipEventListener;
-import org.onosproject.cluster.LeadershipService;
-import org.onosproject.core.ApplicationId;
-
-import org.slf4j.Logger;
-
-
-/**
- * Simple application to test leadership election.
- */
-@Component(immediate = true)
-public class ElectionTest {
-
-    private final Logger log = getLogger(getClass());
-
-    private static final String ELECTION_APP = "org.onosproject.election";
-    private ApplicationId appId;
-
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected ClusterService clusterService;
-
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected CoreService coreService;
-
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected LeadershipService leadershipService;
-
-    private LeadershipEventListener leadershipEventListener =
-            new InnerLeadershipEventListener();
-
-    private ControllerNode localControllerNode;
-
-
-    @Activate
-    protected void activate() {
-        log.info("Election-test app started");
-
-        appId = coreService.registerApplication(ELECTION_APP);
-
-        localControllerNode = clusterService.getLocalNode();
-
-        leadershipService.addListener(leadershipEventListener);
-        leadershipService.runForLeadership(appId.name());
-    }
-
-    @Deactivate
-    protected void deactivate() {
-
-        leadershipService.withdraw(appId.name());
-        leadershipService.removeListener(leadershipEventListener);
-
-        log.info("Election-test app Stopped");
-    }
-
-    /**
-     * A listener for Leadership Events.
-     */
-    private class InnerLeadershipEventListener
-            implements LeadershipEventListener {
-
-        @Override
-        public void event(LeadershipEvent event) {
-
-
-            if (!event.subject().topic().equals(appId.name())) {
-                return;         // Not our topic: ignore
-            }
-
-            //only log what pertains to us
-            log.debug("Leadership Event: time = {} type = {} event = {}",
-                    event.time(), event.type(), event);
-
-            if (!event.subject().leader().equals(
-                    localControllerNode.id())) {
-                return;         // The event is not about this instance: ignore
-            }
-
-            switch (event.type()) {
-                case LEADER_ELECTED:
-                    log.info("Election-test app leader elected");
-                    break;
-                case LEADER_BOOTED:
-                    log.info("Election-test app lost election");
-                    break;
-                case LEADER_REELECTED:
-                    log.debug("Election-test app was re-elected");
-                    break;
-                default:
-                    break;
-            }
-        }
-    }
-
-}

-/*
- * Copyright 2014 Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.onosproject.election.cli;
-
-import org.onosproject.cluster.NodeId;
-import org.apache.karaf.shell.commands.Command;
-import org.onosproject.cli.AbstractShellCommand;
-import org.onosproject.cluster.LeadershipService;
-
-/**
- * CLI command to get the current leader for the Election test application.
- */
-@Command(scope = "onos", name = "election-test-leader",
-        description = "Get the current leader for the Election test application")
-public class ElectionTestLeaderCommand extends AbstractShellCommand {
-
-    private NodeId leader;
-    private static final String ELECTION_APP = "org.onosproject.election";
-
-    @Override
-    protected void execute() {
-        LeadershipService service = get(LeadershipService.class);
-
-        //print the current leader
-        leader = service.getLeader(ELECTION_APP);
-        printLeader(leader);
-    }
-
-    /**
-     * Prints the leader.
-     *
-     * @param leader the leader to print
-     */
-    private void printLeader(NodeId leader) {
-        if (leader != null) {
-            print("The current leader for the Election app is %s.", leader);
-        } else {
-            print("There is currently no leader elected for the Election app");
-        }
-    }
-}

-/*
- * Copyright 2014 Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.onosproject.election.cli;
-
-import org.apache.karaf.shell.commands.Command;
-import org.onosproject.cli.AbstractShellCommand;
-import org.onosproject.cluster.LeadershipService;
-
-/**
- * CLI command to run for leadership of the Election test application.
- */
-@Command(scope = "onos", name = "election-test-run",
-        description = "Run for leader of the Election test application")
-public class ElectionTestRunCommand extends AbstractShellCommand {
-
-    private static final String ELECTION_APP = "org.onosproject.election";
-
-    @Override
-    protected void execute() {
-        LeadershipService service = get(LeadershipService.class);
-
-        service.runForLeadership(ELECTION_APP);
-        //print the current leader
-        print("Entering leadership elections for the Election app.");
-    }
-}

-/*
- * Copyright 2014 Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.onosproject.election.cli;
-
-import org.apache.karaf.shell.commands.Command;
-import org.onosproject.cli.AbstractShellCommand;
-import org.onosproject.cluster.LeadershipService;
-
-/**
- * CLI command to withdraw the local node from leadership election for
- * the Election test application.
- */
-@Command(scope = "onos", name = "election-test-withdraw",
-        description = "Withdraw node from leadership election for the Election test application")
-public class ElectionTestWithdrawCommand extends AbstractShellCommand {
-
-    private static final String ELECTION_APP = "org.onosproject.election";
-
-    @Override
-    protected void execute() {
-        LeadershipService service = get(LeadershipService.class);
-
-        service.withdraw(ELECTION_APP);
-        //print the current leader
-        print("Withdrawing from leadership elections for the Election app.");
-    }
-}

-/*
- * Copyright 2014 Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/**
- * Election test command-line handlers.
- */
-package org.onosproject.election.cli;
\ No newline at end of file

-/*
- * Copyright 2014 Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/**
- * Sample application for use in various experiments.
- */
-package org.onosproject.election;

-<!--
-  ~ Copyright 2014 Open Networking Laboratory
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-<blueprint xmlns="http://www.osgi.org/xmlns/blueprint/v1.0.0">
-
-    <command-bundle xmlns="http://karaf.apache.org/xmlns/shell/v1.1.0">
-        <command>
-            <action class="org.onosproject.election.cli.ElectionTestLeaderCommand"/>
-        </command>
-        <command>
-            <action class="org.onosproject.election.cli.ElectionTestRunCommand"/>
-        </command>
-        <command>
-            <action class="org.onosproject.election.cli.ElectionTestWithdrawCommand"/>
-        </command>
-    </command-bundle>
-
-</blueprint>

-<?xml version="1.0" encoding="UTF-8"?>
-<!--
-  ~ Copyright 2014 Open Networking Laboratory
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
-    <modelVersion>4.0.0</modelVersion>
-
-    <parent>
-        <groupId>org.onosproject</groupId>
-        <artifactId>onos-apps</artifactId>
-        <version>1.1.0-SNAPSHOT</version>
-        <relativePath>../pom.xml</relativePath>
-    </parent>
-
-    <artifactId>onos-app-foo</artifactId>
-    <packaging>bundle</packaging>
-
-    <description>ONOS application for miscellaneous experiments</description>
-
-    <dependencies>
-        <dependency>
-            <groupId>org.onosproject</groupId>
-            <artifactId>onos-cli</artifactId>
-            <version>${project.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.onosproject</groupId>
-            <artifactId>onlab-osgi</artifactId>
-            <version>${project.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.onosproject</groupId>
-            <artifactId>onlab-nio</artifactId>
-            <version>${project.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.onosproject</groupId>
-            <artifactId>onlab-netty</artifactId>
-            <version>${project.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.karaf.shell</groupId>
-            <artifactId>org.apache.karaf.shell.console</artifactId>
-        </dependency>
-        <dependency>
-            <groupId>org.onosproject</groupId>
-            <artifactId>onlab-misc</artifactId>
-        </dependency>
-        <dependency>
-            <groupId>com.google.guava</groupId>
-            <artifactId>guava</artifactId>
-        </dependency>
-        <dependency>
-            <groupId>org.osgi</groupId>
-            <artifactId>org.osgi.core</artifactId>
-        </dependency>
-    </dependencies>
-</project>

-/*
- * Copyright 2014 Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.onosproject.foo;
-
-import static java.util.concurrent.Executors.newScheduledThreadPool;
-import static org.onlab.util.Tools.namedThreads;
-import static org.slf4j.LoggerFactory.getLogger;
-
-import java.nio.ByteBuffer;
-import java.util.concurrent.ScheduledExecutorService;
-//import java.util.concurrent.TimeUnit;
-
-
-
-import org.apache.felix.scr.annotations.Activate;
-import org.apache.felix.scr.annotations.Component;
-import org.apache.felix.scr.annotations.Deactivate;
-import org.apache.felix.scr.annotations.Reference;
-import org.apache.felix.scr.annotations.ReferenceCardinality;
-import org.onosproject.cluster.ClusterEvent;
-import org.onosproject.cluster.ClusterEventListener;
-import org.onosproject.cluster.ClusterService;
-import org.onosproject.cluster.NodeId;
-import org.onosproject.mastership.MastershipEvent;
-import org.onosproject.mastership.MastershipListener;
-import org.onosproject.mastership.MastershipService;
-import org.onosproject.net.device.DeviceEvent;
-import org.onosproject.net.device.DeviceListener;
-import org.onosproject.net.device.DeviceService;
-import org.onosproject.net.intent.IntentEvent;
-import org.onosproject.net.intent.IntentListener;
-import org.onosproject.net.intent.IntentService;
-import org.onosproject.store.service.DatabaseAdminService;
-import org.onosproject.store.service.DatabaseException;
-import org.onosproject.store.service.DatabaseService;
-import org.onosproject.store.service.Lock;
-import org.onosproject.store.service.LockService;
-import org.onosproject.store.service.VersionedValue;
-import org.slf4j.Logger;
-
-/**
- * Playground app component.
- */
-@Component(immediate = true)
-public class FooComponent {
-
-    private final Logger log = getLogger(getClass());
-
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected ClusterService clusterService;
-
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected DeviceService deviceService;
-
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected IntentService intentService;
-
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected MastershipService mastershipService;
-
-    @Reference(cardinality = ReferenceCardinality.OPTIONAL_UNARY)
-    protected DatabaseAdminService dbAdminService;
-
-    @Reference(cardinality = ReferenceCardinality.OPTIONAL_UNARY)
-    protected DatabaseService dbService;
-
-    @Reference(cardinality = ReferenceCardinality.OPTIONAL_UNARY)
-    protected LockService lockService;
-
-    private final ClusterEventListener clusterListener = new InnerClusterListener();
-    private final DeviceListener deviceListener = new InnerDeviceListener();
-    private final IntentListener intentListener = new InnerIntentListener();
-    private final MastershipListener mastershipListener = new InnerMastershipListener();
-
-    private ScheduledExecutorService executor;
-
-    @Activate
-    public void activate() {
-        executor = newScheduledThreadPool(4, namedThreads("foo-executor-%d"));
-
-        clusterService.addListener(clusterListener);
-        deviceService.addListener(deviceListener);
-        intentService.addListener(intentListener);
-        mastershipService.addListener(mastershipListener);
-
-        if (dbService == null || dbAdminService == null) {
-            log.info("Couldn't find DB service");
-        } else {
-            log.info("Found DB service");
-            //longIncrementor();
-            //lockUnlock();
-            //executor.scheduleAtFixedRate(new LongIncrementor(), 1, 10, TimeUnit.SECONDS);
-            //executor.scheduleAtFixedRate(new LongIncrementor(), 1, 10, TimeUnit.SECONDS);
-        }
-        log.info("Started");
-    }
-
-    @Deactivate
-    public void deactivate() {
-        executor.shutdown();
-        clusterService.removeListener(clusterListener);
-        deviceService.removeListener(deviceListener);
-        intentService.removeListener(intentListener);
-        mastershipService.removeListener(mastershipListener);
-        log.info("Stopped");
-    }
-
-    private class InnerClusterListener implements ClusterEventListener {
-        @Override
-        public void event(ClusterEvent event) {
-            log.info("WOOOOT! {}", event);
-        }
-    }
-
-    private class InnerDeviceListener implements DeviceListener {
-        @Override
-        public void event(DeviceEvent event) {
-            log.info("YEEEEHAAAAW! {}", event);
-        }
-    }
-
-    private class InnerIntentListener implements IntentListener {
-        @Override
-        public void event(IntentEvent event) {
-            String message;
-            if (event.type() == IntentEvent.Type.INSTALL_REQ) {
-                message = "WOW! It looks like someone has some intentions: {}";
-            } else if (event.type() == IntentEvent.Type.INSTALLED) {
-                message = "AWESOME! So far things are going great: {}";
-            } else if (event.type() == IntentEvent.Type.WITHDRAWN) {
-                message = "HMMM! Ambitions are fading apparently: {}";
-            } else {
-                message = "CRAP!!! Things are not turning out as intended: {}";
-            }
-            log.info(message, event.subject());
-        }
-    }
-
-    private class InnerMastershipListener implements MastershipListener {
-        @Override
-        public void event(MastershipEvent event) {
-            final NodeId myId = clusterService.getLocalNode().id();
-            if (myId.equals(event.roleInfo().master())) {
-                log.info("I have control/I wish you luck {}", event);
-            } else {
-                log.info("you have control {}", event);
-            }
-        }
-    }
-
-    private void lockUnlock() throws InterruptedException {
-        try {
-            final String locksTable = "onos-locks";
-
-            if (!dbAdminService.listTables().contains(locksTable)) {
-                dbAdminService.createTable(locksTable, 10000);
-            }
-            Lock lock = lockService.create("foo-bar");
-            log.info("Requesting lock");
-            lock.lock(10000);
-            //try {
-                //Thread.sleep(5000);
-            //} catch (InterruptedException e) {
-                //e.printStackTrace();
-            //}
-            log.info("Acquired Lock");
-            log.info("Do I have the lock: {} ", lock.isLocked());
-            //lock.unlock();
-            log.info("Do I have the lock: {} ", lock.isLocked());
-        } finally {
-            log.info("Done");
-        }
-    }
-
-    private void longIncrementor() {
-        try {
-            final String someTable = "admin";
-            final String someKey = "long";
-
-            if (!dbAdminService.listTables().contains(someTable)) {
-                dbAdminService.createTable(someTable);
-            }
-
-            VersionedValue vv = dbService.get(someTable, someKey);
-            if (vv == null) {
-                ByteBuffer zero = ByteBuffer.allocate(Long.BYTES).putLong(0);
-                if (dbService.putIfAbsent(someTable, someKey, zero.array())) {
-                    log.info("Wrote initial value");
-                    vv = dbService.get(someTable, someKey);
-                } else {
-                    log.info("Concurrent write detected.");
-                    // concurrent write detected, read and fall through
-                    vv = dbService.get(someTable, someKey);
-                    if (vv == null) {
-                        log.error("Shouldn't reach here");
-                    }
-                }
-            }
-            int retry = 1;
-
-            do {
-                if (vv == null) {
-                    log.error("Shouldn't reach here - value is null");
-                    break;
-                }
-                ByteBuffer prev = ByteBuffer.wrap(vv.value());
-                long next = prev.getLong() + 1;
-                byte[] newValue = ByteBuffer.allocate(Long.BYTES).putLong(next).array();
-                if (dbService.putIfVersionMatches(someTable, someKey, newValue, vv.version())) {
-                    log.info("Write success. New value: {}", next);
-                    break;
-                } else {
-                    log.info("Write failed retrying.....{}", retry);
-                    vv = dbService.get(someTable, someKey);
-                    if (vv == null) {
-                        log.error("Shouldn't reach here");
-                    }
-                }
-            } while (retry++ < 5);
-        } catch (DatabaseException e) {
-            log.debug("DB Exception thrown {}", e.getMessage());
-        } catch (Exception e) {
-            log.error("Exception thrown", e);
-        }
-    }
-
-    private final class LongIncrementor implements Runnable {
-
-        @Override
-        public void run() {
-            longIncrementor();
-        }
-
-    }
-}
-
-

-/*
- * Copyright 2014 Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.onosproject.foo;
-
-import com.google.common.collect.Lists;
-import org.onlab.nio.IOLoop;
-import org.onlab.nio.MessageStream;
-import org.onlab.util.Counter;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import java.io.IOException;
-import java.net.InetAddress;
-import java.net.InetSocketAddress;
-import java.net.SocketAddress;
-import java.nio.channels.ByteChannel;
-import java.nio.channels.SelectionKey;
-import java.nio.channels.SocketChannel;
-import java.text.DecimalFormat;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.concurrent.ExecutionException;
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Executors;
-import java.util.concurrent.FutureTask;
-import java.util.concurrent.Semaphore;
-import java.util.concurrent.TimeUnit;
-import java.util.concurrent.TimeoutException;
-
-import static java.lang.String.format;
-import static java.lang.System.nanoTime;
-import static java.lang.System.out;
-import static org.onosproject.foo.IOLoopTestServer.PORT;
-import static org.onlab.util.Tools.delay;
-import static org.onlab.util.Tools.namedThreads;
-
-/**
- * Auxiliary test fixture to measure speed of NIO-based channels.
- */
-public class IOLoopTestClient {
-
-    private static Logger log = LoggerFactory.getLogger(IOLoopTestClient.class);
-
-    private final InetAddress ip;
-    private final int port;
-    private final int msgCount;
-    private final int msgLength;
-
-    private final List<CustomIOLoop> iloops = new ArrayList<>();
-    private final ExecutorService ipool;
-    private final ExecutorService wpool;
-
-    Counter messages;
-    Counter bytes;
-    long latencyTotal = 0;
-    long latencyCount = 0;
-
-
-    /**
-     * Main entry point to launch the client.
-     *
-     * @param args command-line arguments
-     * @throws java.io.IOException                     if unable to connect to server
-     * @throws InterruptedException                    if latch wait gets interrupted
-     * @throws java.util.concurrent.ExecutionException if wait gets interrupted
-     * @throws java.util.concurrent.TimeoutException   if timeout occurred while waiting for completion
-     */
-    public static void main(String[] args)
-            throws IOException, InterruptedException, ExecutionException, TimeoutException {
-        startStandalone(args);
-
-        System.exit(0);
-    }
-
-    /*
-     * Starts a standalone IO loop test client.
-     *
-     * @param args command-line arguments
-     */
-    public static void startStandalone(String[] args)
-            throws IOException, InterruptedException, ExecutionException, TimeoutException {
-        InetAddress ip = InetAddress.getByName(args.length > 0 ? args[0] : "127.0.0.1");
-        int wc = args.length > 1 ? Integer.parseInt(args[1]) : 6;
-        int mc = args.length > 2 ? Integer.parseInt(args[2]) : 50 * 1000000;
-        int ml = args.length > 3 ? Integer.parseInt(args[3]) : 128;
-        int to = args.length > 4 ? Integer.parseInt(args[4]) : 60;
-
-        log.info("Setting up client with {} workers sending {} {}-byte messages to {} server... ",
-                 wc, mc, ml, ip);
-        IOLoopTestClient client = new IOLoopTestClient(ip, wc, mc, ml, PORT);
-
-        client.start();
-        delay(500);
-
-        client.await(to);
-        client.report();
-    }
-
-    /**
-     * Creates a speed client.
-     *
-     * @param ip   ip address of server
-     * @param wc   worker count
-     * @param mc   message count to send per client
-     * @param ml   message length in bytes
-     * @param port socket port
-     * @throws java.io.IOException if unable to create IO loops
-     */
-    public IOLoopTestClient(InetAddress ip, int wc, int mc, int ml, int port) throws IOException {
-        this.ip = ip;
-        this.port = port;
-        this.msgCount = mc;
-        this.msgLength = ml;
-        this.wpool = Executors.newFixedThreadPool(wc, namedThreads("worker"));
-        this.ipool = Executors.newFixedThreadPool(wc, namedThreads("io-loop"));
-
-        for (int i = 0; i < wc; i++) {
-            iloops.add(new CustomIOLoop());
-        }
-    }
-
-    /**
-     * Starts the client workers.
-     *
-     * @throws java.io.IOException if unable to open connection
-     */
-    public void start() throws IOException {
-        messages = new Counter();
-        bytes = new Counter();
-
-        // First start up all the IO loops
-        for (CustomIOLoop l : iloops) {
-            ipool.execute(l);
-        }
-
-        // Wait for all of them to get going
-        for (CustomIOLoop l : iloops) {
-            l.awaitStart(1000);
-        }
-
-        // ... and Next open all connections; one-per-loop
-        for (CustomIOLoop l : iloops) {
-            openConnection(l);
-        }
-    }
-
-
-    /**
-     * Initiates open connection request and registers the pending socket
-     * channel with the given IO loop.
-     *
-     * @param loop loop with which the channel should be registered
-     * @throws java.io.IOException if the socket could not be open or connected
-     */
-    private void openConnection(CustomIOLoop loop) throws IOException {
-        SocketAddress sa = new InetSocketAddress(ip, port);
-        SocketChannel ch = SocketChannel.open();
-        ch.configureBlocking(false);
-        loop.connectStream(ch);
-        ch.connect(sa);
-    }
-
-
-    /**
-     * Waits for the client workers to complete.
-     *
-     * @param secs timeout in seconds
-     * @throws java.util.concurrent.ExecutionException if execution failed
-     * @throws InterruptedException                    if interrupt occurred while waiting
-     * @throws java.util.concurrent.TimeoutException   if timeout occurred
-     */
-    public void await(int secs) throws InterruptedException,
-            ExecutionException, TimeoutException {
-        for (CustomIOLoop l : iloops) {
-            if (l.worker.task != null) {
-                l.worker.task.get(secs, TimeUnit.SECONDS);
-                latencyTotal += l.latencyTotal;
-                latencyCount += l.latencyCount;
-            }
-        }
-        messages.freeze();
-        bytes.freeze();
-    }
-
-    /**
-     * Reports on the accumulated throughput and latency.
-     */
-    public void report() {
-        DecimalFormat f = new DecimalFormat("#,##0");
-        out.println(format("Client: %s messages; %s bytes; %s mps; %s MBs; %s ns latency",
-                           f.format(messages.total()), f.format(bytes.total()),
-                           f.format(messages.throughput()),
-                           f.format(bytes.throughput() / (1024 * msgLength)),
-                           f.format(latencyTotal / latencyCount)));
-    }
-
-
-    // Loop for transfer of fixed-length messages
-    private class CustomIOLoop extends IOLoop<TestMessage, TestMessageStream> {
-
-        Worker worker = new Worker();
-        long latencyTotal = 0;
-        long latencyCount = 0;
-
-
-        public CustomIOLoop() throws IOException {
-            super(500);
-        }
-
-
-        @Override
-        protected TestMessageStream createStream(ByteChannel channel) {
-            return new TestMessageStream(msgLength, channel, this);
-        }
-
-        @Override
-        protected synchronized void removeStream(MessageStream<TestMessage> stream) {
-            super.removeStream(stream);
-
-            messages.add(stream.messagesIn().total());
-            bytes.add(stream.bytesIn().total());
-            stream.messagesOut().reset();
-            stream.bytesOut().reset();
-        }
-
-        @Override
-        protected void processMessages(List<TestMessage> messages,
-                                       MessageStream<TestMessage> stream) {
-            for (TestMessage message : messages) {
-                // TODO: summarize latency data better
-                latencyTotal += nanoTime() - message.requestorTime();
-                latencyCount++;
-            }
-            worker.release(messages.size());
-        }
-
-        @Override
-        protected void connect(SelectionKey key) throws IOException {
-            super.connect(key);
-            TestMessageStream b = (TestMessageStream) key.attachment();
-            Worker w = ((CustomIOLoop) b.loop()).worker;
-            w.pump(b);
-        }
-
-    }
-
-    /**
-     * Auxiliary worker to connect and pump batched messages using blocking I/O.
-     */
-    private class Worker implements Runnable {
-
-        private static final int BATCH_SIZE = 10;
-        private static final int PERMITS = 2 * BATCH_SIZE;
-
-        private TestMessageStream stream;
-        private FutureTask<Worker> task;
-
-        // Stuff to throttle pump
-        private final Semaphore semaphore = new Semaphore(PERMITS);
-        private int msgWritten;
-
-        void pump(TestMessageStream stream) {
-            this.stream = stream;
-            task = new FutureTask<>(this, this);
-            wpool.execute(task);
-        }
-
-        @Override
-        public void run() {
-            try {
-                log.info("Worker started...");
-
-                while (msgWritten < msgCount) {
-                    int size = Math.min(BATCH_SIZE, msgCount - msgWritten);
-                    writeBatch(size);
-                    msgWritten += size;
-                }
-
-                // Now try to get all the permits back before sending poison pill
-                semaphore.acquireUninterruptibly(PERMITS);
-                stream.close();
-
-                log.info("Worker done...");
-
-            } catch (IOException e) {
-                log.error("Worker unable to perform I/O", e);
-            }
-        }
-
-
-        private void writeBatch(int size) throws IOException {
-            // Build a batch of messages
-            List<TestMessage> batch = Lists.newArrayListWithCapacity(size);
-            for (int i = 0; i < size; i++) {
-                batch.add(new TestMessage(msgLength, nanoTime(), 0,
-                                          stream.padding()));
-            }
-            acquire(size);
-            stream.write(batch);
-        }
-
-
-        // Release permits based on the specified number of message credits
-        private void release(int permits) {
-            semaphore.release(permits);
-        }
-
-        // Acquire permit for a single batch
-        private void acquire(int permits) {
-            semaphore.acquireUninterruptibly(permits);
-        }
-
-    }
-
-}

-/*
- * Copyright 2014 Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.onosproject.foo;
-
-import com.google.common.collect.Lists;
-import org.onlab.nio.AcceptorLoop;
-import org.onlab.nio.IOLoop;
-import org.onlab.nio.MessageStream;
-import org.onlab.util.Counter;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import java.io.IOException;
-import java.net.InetAddress;
-import java.net.InetSocketAddress;
-import java.net.Socket;
-import java.net.SocketAddress;
-import java.nio.channels.ByteChannel;
-import java.nio.channels.ServerSocketChannel;
-import java.nio.channels.SocketChannel;
-import java.text.DecimalFormat;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Executors;
-
-import static java.lang.String.format;
-import static java.lang.System.nanoTime;
-import static java.lang.System.out;
-import static org.onlab.util.Tools.delay;
-import static org.onlab.util.Tools.namedThreads;
-
-/**
- * Auxiliary test fixture to measure speed of NIO-based channels.
- */
-public class IOLoopTestServer {
-
-    private static Logger log = LoggerFactory.getLogger(IOLoopTestServer.class);
-
-    private static final int PRUNE_FREQUENCY = 1000;
-
-    static final int PORT = 9876;
-    static final long TIMEOUT = 1000;
-
-    static final boolean SO_NO_DELAY = false;
-    static final int SO_SEND_BUFFER_SIZE = 128 * 1024;
-    static final int SO_RCV_BUFFER_SIZE = 128 * 1024;
-
-    static final DecimalFormat FORMAT = new DecimalFormat("#,##0");
-
-    private final AcceptorLoop aloop;
-    private final ExecutorService apool = Executors.newSingleThreadExecutor(namedThreads("accept"));
-
-    private final List<CustomIOLoop> iloops = new ArrayList<>();
-    private final ExecutorService ipool;
-
-    private final int workerCount;
-    private final int msgLength;
-    private int lastWorker = -1;
-
-    Counter messages;
-    Counter bytes;
-
-    /**
-     * Main entry point to launch the server.
-     *
-     * @param args command-line arguments
-     * @throws java.io.IOException if unable to crate IO loops
-     */
-    public static void main(String[] args) throws IOException {
-        startStandalone(args);
-        System.exit(0);
-    }
-
-    /*
-     * Starts a standalone IO loop test server.
-     *
-     * @param args command-line arguments
-     */
-    public static void startStandalone(String[] args) throws IOException {
-        InetAddress ip = InetAddress.getByName(args.length > 0 ? args[0] : "127.0.0.1");
-        int wc = args.length > 1 ? Integer.parseInt(args[1]) : 6;
-        int ml = args.length > 2 ? Integer.parseInt(args[2]) : 128;
-
-        log.info("Setting up the server with {} workers, {} byte messages on {}... ",
-                 wc, ml, ip);
-        IOLoopTestServer server = new IOLoopTestServer(ip, wc, ml, PORT);
-        server.start();
-
-        // Start pruning clients and keep going until their number goes to 0.
-        int remaining = -1;
-        while (remaining == -1 || remaining > 0) {
-            delay(PRUNE_FREQUENCY);
-            int r = server.prune();
-            remaining = remaining == -1 && r == 0 ? remaining : r;
-        }
-        server.stop();
-    }
-
-    /**
-     * Creates a speed server.
-     *
-     * @param ip   optional ip of the adapter where to bind
-     * @param wc   worker count
-     * @param ml   message length in bytes
-     * @param port listen port
-     * @throws java.io.IOException if unable to create IO loops
-     */
-    public IOLoopTestServer(InetAddress ip, int wc, int ml, int port) throws IOException {
-        this.workerCount = wc;
-        this.msgLength = ml;
-        this.ipool = Executors.newFixedThreadPool(workerCount, namedThreads("io-loop"));
-
-        this.aloop = new CustomAcceptLoop(new InetSocketAddress(ip, port));
-        for (int i = 0; i < workerCount; i++) {
-            iloops.add(new CustomIOLoop());
-        }
-    }
-
-    /**
-     * Start the server IO loops and kicks off throughput tracking.
-     */
-    public void start() {
-        messages = new Counter();
-        bytes = new Counter();
-
-        for (CustomIOLoop l : iloops) {
-            ipool.execute(l);
-        }
-        apool.execute(aloop);
-
-        for (CustomIOLoop l : iloops) {
-            l.awaitStart(TIMEOUT);
-        }
-        aloop.awaitStart(TIMEOUT);
-    }
-
-    /**
-     * Stop the server IO loops and freezes throughput tracking.
-     */
-    public void stop() {
-        aloop.shutdown();
-        for (CustomIOLoop l : iloops) {
-            l.shutdown();
-        }
-
-        for (CustomIOLoop l : iloops) {
-            l.awaitStop(TIMEOUT);
-        }
-        aloop.awaitStop(TIMEOUT);
-
-        messages.freeze();
-        bytes.freeze();
-    }
-
-    /**
-     * Reports on the accumulated throughput and latency.
-     */
-    public void report() {
-        DecimalFormat f = new DecimalFormat("#,##0");
-        out.println(format("Server: %s messages; %s bytes; %s mps; %s MBs",
-                           f.format(messages.total()), f.format(bytes.total()),
-                           f.format(messages.throughput()),
-                           f.format(bytes.throughput() / (1024 * msgLength))));
-    }
-
-    /**
-     * Prunes the IO loops of stale message buffers.
-     *
-     * @return number of remaining IO loops among all workers.
-     */
-    public int prune() {
-        int count = 0;
-        for (CustomIOLoop l : iloops) {
-            count += l.pruneStaleStreams();
-        }
-        return count;
-    }
-
-    // Get the next worker to which a client should be assigned
-    private synchronized CustomIOLoop nextWorker() {
-        lastWorker = (lastWorker + 1) % workerCount;
-        return iloops.get(lastWorker);
-    }
-
-    // Loop for transfer of fixed-length messages
-    private class CustomIOLoop extends IOLoop<TestMessage, TestMessageStream> {
-
-        public CustomIOLoop() throws IOException {
-            super(500);
-        }
-
-        @Override
-        protected TestMessageStream createStream(ByteChannel channel) {
-            return new TestMessageStream(msgLength, channel, this);
-        }
-
-        @Override
-        protected void removeStream(MessageStream<TestMessage> stream) {
-            super.removeStream(stream);
-            messages.add(stream.messagesIn().total());
-            bytes.add(stream.bytesIn().total());
-        }
-
-        @Override
-        protected void processMessages(List<TestMessage> messages,
-                                       MessageStream<TestMessage> stream) {
-            try {
-                stream.write(createResponses(messages));
-            } catch (IOException e) {
-                log.error("Unable to echo messages", e);
-            }
-        }
-
-        private List<TestMessage> createResponses(List<TestMessage> messages) {
-            List<TestMessage> responses = Lists.newArrayListWithCapacity(messages.size());
-            for (TestMessage message : messages) {
-                responses.add(new TestMessage(message.length(), message.requestorTime(),
-                                              nanoTime(), message.padding()));
-            }
-            return responses;
-        }
-    }
-
-    // Loop for accepting client connections
-    private class CustomAcceptLoop extends AcceptorLoop {
-
-        public CustomAcceptLoop(SocketAddress address) throws IOException {
-            super(500, address);
-        }
-
-        @Override
-        protected void acceptConnection(ServerSocketChannel channel) throws IOException {
-            SocketChannel sc = channel.accept();
-            sc.configureBlocking(false);
-
-            Socket so = sc.socket();
-            so.setTcpNoDelay(SO_NO_DELAY);
-            so.setReceiveBufferSize(SO_RCV_BUFFER_SIZE);
-            so.setSendBufferSize(SO_SEND_BUFFER_SIZE);
-
-            nextWorker().acceptStream(sc);
-            log.info("Connected client");
-        }
-    }
-
-}

-/*
- * Copyright 2014 Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.onosproject.foo;
-
-import java.io.IOException;
-
-import org.onlab.netty.Message;
-import org.onlab.netty.MessageHandler;
-
-
-/**
- * Message handler that echos the message back to the sender.
- */
-public class NettyEchoHandler implements MessageHandler {
-
-    @Override
-    public void handle(Message message) throws IOException {
-        message.respond(message.payload());
-    }
-}

-/*
- * Copyright 2014 Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.onosproject.foo;
-
-import org.onlab.netty.Message;
-import org.onlab.netty.MessageHandler;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/**
- * A MessageHandler that simply logs the information.
- */
-public class NettyNothingHandler implements MessageHandler {
-
-    private final Logger log = LoggerFactory.getLogger(getClass());
-
-    @Override
-    public void handle(Message message) {
-      // Do nothing
-    }
-}

-/*
- * Copyright 2014 Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.onosproject.foo;
-
-import static java.lang.Thread.sleep;
-
-import java.io.IOException;
-import java.util.concurrent.ExecutionException;
-import java.util.concurrent.Future;
-import java.util.concurrent.TimeUnit;
-import java.util.concurrent.TimeoutException;
-
-import org.onlab.metrics.MetricsComponent;
-import org.onlab.metrics.MetricsFeature;
-import org.onlab.metrics.MetricsManager;
-import org.onlab.netty.Endpoint;
-import org.onlab.netty.NettyMessagingService;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import com.codahale.metrics.Timer;
-
-/**
- * The Simple netty client test.
- */
-// FIXME: Should be move out to test or app
-public final class SimpleNettyClient {
-
-private static Logger log = LoggerFactory.getLogger(SimpleNettyClient.class);
-
-    static NettyMessagingService messaging;
-    static MetricsManager metrics;
-
-        private SimpleNettyClient() {
-    }
-
-    /**
-     * The entry point of application.
-     *
-     * @param args the input arguments
-     * @throws IOException the iO exception
-     * @throws InterruptedException the interrupted exception
-     * @throws ExecutionException the execution exception
-     * @throws TimeoutException the timeout exception
-     */
-    public static void main(String[] args)
-            throws IOException, InterruptedException, ExecutionException,
-            TimeoutException {
-        try {
-            startStandalone(args);
-        } catch (Exception e) {
-            e.printStackTrace();
-        }
-
-        System.exit(0);
-    }
-
-    /**
-     * Start standalone.
-     *
-     * @param args the args
-     * @throws Exception the exception
-     */
-    public static void startStandalone(String[] args) throws Exception {
-        String host = args.length > 0 ? args[0] : "localhost";
-        int port = args.length > 1 ? Integer.parseInt(args[1]) : 8081;
-        int warmup = args.length > 2 ? Integer.parseInt(args[2]) : 1000;
-        int iterations = args.length > 3 ? Integer.parseInt(args[3]) : 50 * 100000;
-        messaging = new TestNettyMessagingService(9081);
-        metrics = new MetricsManager();
-        Endpoint endpoint = new Endpoint(host, port);
-        messaging.activate();
-        MetricsFeature feature = new MetricsFeature("latency");
-        MetricsComponent component = metrics.registerComponent("NettyMessaging");
-        log.info("connecting " + host + ":" + port + " warmup:" + warmup + " iterations:" + iterations);
-
-        for (int i = 0; i < warmup; i++) {
-            messaging.sendAsync(endpoint, "simple", "Hello World".getBytes());
-            Future<byte[]> responseFuture = messaging
-                    .sendAndReceive(endpoint, "echo",
-                            "Hello World".getBytes());
-            responseFuture.get(100000, TimeUnit.MILLISECONDS);
-        }
-
-        log.info("measuring round-trip send & receive");
-        Timer sendAndReceiveTimer = metrics.createTimer(component, feature, "SendAndReceive");
-        int timeouts = 0;
-
-        for (int i = 0; i < iterations; i++) {
-            Future<byte[]> responseFuture;
-            Timer.Context context = sendAndReceiveTimer.time();
-            try {
-                responseFuture = messaging
-                        .sendAndReceive(endpoint, "echo",
-                                "Hello World".getBytes());
-                responseFuture.get(10000, TimeUnit.MILLISECONDS);
-            } catch (TimeoutException e) {
-                timeouts++;
-                log.info("timeout:" + timeouts + " at iteration:" + i);
-            } finally {
-                context.stop();
-            }
-            // System.out.println("Got back:" + new String(response.get(2, TimeUnit.SECONDS)));
-        }
-
-        //sleep(1000);
-        log.info("measuring async sender");
-        Timer sendAsyncTimer = metrics.createTimer(component, feature, "AsyncSender");
-
-        for (int i = 0; i < iterations; i++) {
-        Timer.Context context = sendAsyncTimer.time();
-        messaging.sendAsync(endpoint, "simple", "Hello World".getBytes());
-        context.stop();
-        }
-        sleep(10000);
-    }
-
-    public static void stop() {
-        try {
-            messaging.deactivate();
-        } catch (Exception e) {
-            log.info("Unable to stop client %s", e);
-        }
-    }
-
-    /**
-     * The type Test netty messaging service.
-     */
-    public static class TestNettyMessagingService extends NettyMessagingService {
-        /**
-         * Instantiates a new Test netty messaging service.
-         *
-         * @param port the port
-         * @throws Exception the exception
-         */
-        public TestNettyMessagingService(int port) throws Exception {
-            super(port);
-        }
-    }
-}

-/*
- * Copyright 2014 Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.onosproject.foo;
-
-import static org.onosproject.foo.SimpleNettyClient.startStandalone;
-import static org.onosproject.foo.SimpleNettyClient.stop;
-
-import org.apache.karaf.shell.commands.Argument;
-import org.apache.karaf.shell.commands.Command;
-import org.onosproject.cli.AbstractShellCommand;
-
-/**
- * Test Netty client performance.
- */
-@Command(scope = "onos", name = "simple-netty-client",
-        description = "Starts simple Netty client")
-public class SimpleNettyClientCommand extends AbstractShellCommand {
-
-    //FIXME: replace these arguments with proper ones needed for the test.
-    @Argument(index = 0, name = "hostname", description = "Server Hostname",
-            required = false, multiValued = false)
-    String hostname = "localhost";
-
-    @Argument(index = 1, name = "port", description = "Port",
-            required = false, multiValued = false)
-    String port = "8081";
-
-    @Argument(index = 2, name = "warmupCount", description = "Warm-up count",
-            required = false, multiValued = false)
-    String warmupCount = "1000";
-
-    @Argument(index = 3, name = "messageCount", description = "Message count",
-            required = false, multiValued = false)
-    String messageCount = "1000000";
-
-    @Override
-    protected void execute() {
-        try {
-            startStandalone(new String[]{hostname, port, warmupCount, messageCount});
-        } catch (Exception e) {
-            error("Unable to start client %s", e);
-        }
-        stop();
-    }
-}

-/*
- * Copyright 2014 Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.onosproject.foo;
-
-import org.onlab.netty.NettyMessagingService;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/**
- * Test to measure Messaging performance.
- */
-    public final class SimpleNettyServer {
-        private static Logger log = LoggerFactory.getLogger(SimpleNettyServer.class);
-
-            private SimpleNettyServer() {}
-
-    /**
-     * The entry point of application.
-     *
-     * @param args the input arguments
-     * @throws Exception the exception
-     */
-    public static void main(String... args) throws Exception {
-                startStandalone(args);
-                System.exit(0);
-            }
-
-    /**
-     * Start standalone server.
-     *
-     * @param args the args
-     * @throws Exception the exception
-     */
-    public static void startStandalone(String[] args) throws Exception {
-            int port = args.length > 0 ? Integer.parseInt(args[0]) : 8081;
-            NettyMessagingService server = new NettyMessagingService(port);
-            server.activate();
-            server.registerHandler("simple", new NettyNothingHandler());
-            server.registerHandler("echo", new NettyEchoHandler());
-            log.info("Netty Server server on port " + port);
-        }
-    }
-

-/*
- * Copyright 2014 Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.onosproject.foo;
-
-import static org.onosproject.foo.SimpleNettyServer.startStandalone;
-
-import org.apache.karaf.shell.commands.Argument;
-import org.apache.karaf.shell.commands.Command;
-import org.onosproject.cli.AbstractShellCommand;
-
-/**
- * Starts the Simple Netty server.
- */
-@Command(scope = "onos", name = "simple-netty-server",
-         description = "Starts simple Netty server")
-public class SimpleNettyServerCommand extends AbstractShellCommand {
-
-    //FIXME: Replace these with parameters for
-    @Argument(index = 0, name = "port", description = "listen port",
-              required = false, multiValued = false)
-    String port = "8081";
-
-    @Override
-    protected void execute() {
-        try {
-            startStandalone(new String[]{port});
-        } catch (Exception e) {
-            error("Unable to start server %s", e);
-        }
-    }
-
-}

-/*
- * Copyright 2014 Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.onosproject.foo;
-
-import org.apache.karaf.shell.commands.Argument;
-import org.apache.karaf.shell.commands.Command;
-import org.onosproject.cli.AbstractShellCommand;
-
-import static org.onosproject.foo.IOLoopTestClient.startStandalone;
-
-/**
- * Starts the test IO loop client.
- */
-@Command(scope = "onos", name = "test-io-client",
-         description = "Starts the test IO loop client")
-public class TestIOClientCommand extends AbstractShellCommand {
-
-    @Argument(index = 0, name = "serverIp", description = "Server IP address",
-              required = false, multiValued = false)
-    String serverIp = "127.0.0.1";
-
-    @Argument(index = 1, name = "workers", description = "IO workers",
-              required = false, multiValued = false)
-    String workers = "6";
-
-    @Argument(index = 2, name = "messageCount", description = "Message count",
-              required = false, multiValued = false)
-    String messageCount = "1000000";
-
-    @Argument(index = 3, name = "messageLength", description = "Message length (bytes)",
-              required = false, multiValued = false)
-    String messageLength = "128";
-
-    @Argument(index = 4, name = "timeoutSecs", description = "Test timeout (seconds)",
-              required = false, multiValued = false)
-    String timeoutSecs = "60";
-
-    @Override
-    protected void execute() {
-        try {
-            startStandalone(new String[]{serverIp, workers, messageCount, messageLength, timeoutSecs});
-        } catch (Exception e) {
-            error("Unable to start client %s", e);
-        }
-    }
-
-}

-/*
- * Copyright 2014 Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.onosproject.foo;
-
-import org.apache.karaf.shell.commands.Argument;
-import org.apache.karaf.shell.commands.Command;
-import org.onosproject.cli.AbstractShellCommand;
-
-import static org.onosproject.foo.IOLoopTestServer.startStandalone;
-
-/**
- * Starts the test IO loop server.
- */
-@Command(scope = "onos", name = "test-io-server",
-         description = "Starts the test IO loop server")
-public class TestIOServerCommand extends AbstractShellCommand {
-
-    @Argument(index = 0, name = "serverIp", description = "Server IP address",
-              required = false, multiValued = false)
-    String serverIp = "127.0.0.1";
-
-    @Argument(index = 1, name = "workers", description = "IO workers",
-              required = false, multiValued = false)
-    String workers = "6";
-
-    @Argument(index = 2, name = "messageLength", description = "Message length (bytes)",
-              required = false, multiValued = false)
-    String messageLength = "128";
-
-    @Override
-    protected void execute() {
-        try {
-            startStandalone(new String[]{serverIp, workers, messageLength});
-        } catch (Exception e) {
-            error("Unable to start server %s", e);
-        }
-    }
-
-}

-/*
- * Copyright 2014 Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.onosproject.foo;
-
-import org.onlab.nio.AbstractMessage;
-
-import static com.google.common.base.Preconditions.checkNotNull;
-
-/**
- * Test message for measuring rate and round-trip latency.
- */
-public class TestMessage extends AbstractMessage {
-
-    private final byte[] padding;
-
-    private final long requestorTime;
-    private final long responderTime;
-
-    /**
-     * Creates a new message with the specified data.
-     *
-     * @param length        message length
-     * @param requestorTime requester time
-     * @param responderTime responder time
-     * @param padding       message padding
-     */
-    TestMessage(int length, long requestorTime, long responderTime, byte[] padding) {
-        this.length = length;
-        this.requestorTime = requestorTime;
-        this.responderTime = responderTime;
-        this.padding = checkNotNull(padding, "Padding cannot be null");
-    }
-
-    public long requestorTime() {
-        return requestorTime;
-    }
-
-    public long responderTime() {
-        return responderTime;
-    }
-
-    public byte[] padding() {
-        return padding;
-    }
-
-}

-/*
- * Copyright 2014 Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.onosproject.foo;
-
-import org.onlab.nio.IOLoop;
-import org.onlab.nio.MessageStream;
-
-import java.nio.ByteBuffer;
-import java.nio.channels.ByteChannel;
-
-import static com.google.common.base.Preconditions.checkArgument;
-import static com.google.common.base.Preconditions.checkState;
-
-/**
- * Fixed-length message transfer buffer.
- */
-public class TestMessageStream extends MessageStream<TestMessage> {
-
-    private static final String E_WRONG_LEN = "Illegal message length: ";
-    private static final long START_TAG = 0xfeedcafedeaddeedL;
-    private static final long END_TAG = 0xbeadcafedeaddeedL;
-    private static final int META_LENGTH = 40;
-
-    private final int length;
-    private boolean isStrict = true;
-
-    public TestMessageStream(int length, ByteChannel ch, IOLoop<TestMessage, ?> loop) {
-        super(loop, ch, 64 * 1024, 500);
-        checkArgument(length >= META_LENGTH, "Length must be greater than header length of 40");
-        this.length = length;
-    }
-
-    void setNonStrict() {
-        isStrict = false;
-    }
-
-    @Override
-    protected TestMessage read(ByteBuffer rb) {
-        if (rb.remaining() < length) {
-            return null;
-        }
-
-        long startTag = rb.getLong();
-        if (isStrict) {
-            checkState(startTag == START_TAG, "Incorrect message start");
-        }
-
-        long size = rb.getLong();
-        long requestorTime = rb.getLong();
-        long responderTime = rb.getLong();
-        byte[] padding = padding();
-        rb.get(padding);
-
-        long endTag = rb.getLong();
-        if (isStrict) {
-            checkState(endTag == END_TAG, "Incorrect message end");
-        }
-
-        return new TestMessage((int) size, requestorTime, responderTime, padding);
-    }
-
-    @Override
-    protected void write(TestMessage message, ByteBuffer wb) {
-        if (message.length() != length) {
-            throw new IllegalArgumentException(E_WRONG_LEN + message.length());
-        }
-
-        wb.putLong(START_TAG);
-        wb.putLong(message.length());
-        wb.putLong(message.requestorTime());
-        wb.putLong(message.responderTime());
-        wb.put(message.padding(), 0, length - META_LENGTH);
-        wb.putLong(END_TAG);
-    }
-
-    public byte[] padding() {
-        return new byte[length - META_LENGTH];
-    }
-}

-/*
- * Copyright 2014 Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/**
- * Sample application for use in various experiments.
- */
-package org.onosproject.foo;

-<!--
-  ~ Copyright 2014 Open Networking Laboratory
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-<blueprint xmlns="http://www.osgi.org/xmlns/blueprint/v1.0.0">
-
-    <command-bundle xmlns="http://karaf.apache.org/xmlns/shell/v1.1.0">
-        <command>
-            <action class="org.onosproject.foo.TestIOClientCommand"/>
-        </command>
-        <command>
-            <action class="org.onosproject.foo.TestIOServerCommand"/>
-        </command>
-        <command>
-            <action class="org.onosproject.foo.SimpleNettyServerCommand"/>
-        </command>
-        <command>
-            <action class="org.onosproject.foo.SimpleNettyClientCommand"/>
-        </command>
-    </command-bundle>
-
-</blueprint>

-#
-# Copyright 2014 Open Networking Laboratory
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-livetribe.slp.da.expired.services.purge.period=60
-livetribe.slp.sa.client.connect.address=127.0.0.1
-livetribe.slp.sa.client.factory=org.livetribe.slp.sa.StandardServiceAgentClient$Factory
-livetribe.slp.sa.factory=org.livetribe.slp.sa.StandardServiceAgent$Factory
-livetribe.slp.sa.service.renewal.enabled=true
-livetribe.slp.sa.unicast.prefer.tcp=false
-livetribe.slp.tcp.connector.factory=org.livetribe.slp.spi.net.SocketTCPConnector$Factory
-livetribe.slp.tcp.connector.server.factory=org.livetribe.slp.spi.net.SocketTCPConnectorServer$Factory
-livetribe.slp.tcp.message.max.length=4096
-livetribe.slp.tcp.read.timeout=300000
-livetribe.slp.ua.client.factory=org.livetribe.slp.ua.StandardUserAgentClient$Factory
-livetribe.slp.ua.factory=org.livetribe.slp.ua.StandardUserAgent$Factory
-livetribe.slp.ua.unicast.prefer.tcp=false
-livetribe.slp.udp.connector.factory=org.livetribe.slp.spi.net.SocketUDPConnector$Factory
-livetribe.slp.udp.connector.server.factory=org.livetribe.slp.spi.net.SocketUDPConnectorServer$Factory
-net.slp.DAAddresses=
-net.slp.DAAttributes=
-net.slp.DAHeartBeat=10800
-net.slp.MTU=1400
-net.slp.SAAttributes=
-net.slp.broadcastAddress=255.255.255.255
-net.slp.datagramTimeouts=150,250,400
-net.slp.interfaces=0.0.0.0
-net.slp.isBroadcastOnly=false
-net.slp.locale=en
-net.slp.multicastAddress=239.255.255.253
-net.slp.multicastMaximumWait=15000
-net.slp.multicastTTL=255
-net.slp.multicastTimeouts=150,250,400,600,1000
-net.slp.notificationPort=1847
-net.slp.port=427
-net.slp.useScopes=default
-
-org.onlab.cluster.name = TV-ONOS

-<?xml version="1.0" encoding="UTF-8"?>
-<!--
-  ~ Copyright 2015 Open Networking Laboratory
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-<app name="org.onosproject.app.ifwd" origin="ON.Lab" version="1.1.0"
-        features="onos-app-ifwd">
-    <description>ONOS Reactive forwarding application using intent subsystem (experimental)</description>
-</app>

-<?xml version="1.0" encoding="UTF-8"?>
-<!--
-  ~ Copyright 2014 Open Networking Laboratory
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
-    <modelVersion>4.0.0</modelVersion>
-
-    <parent>
-        <groupId>org.onosproject</groupId>
-        <artifactId>onos-apps</artifactId>
-        <version>1.2.0-SNAPSHOT</version>
-        <relativePath>../pom.xml</relativePath>
-    </parent>
-
-    <artifactId>onos-app-ifwd</artifactId>
-    <packaging>bundle</packaging>
-
-    <description>ONOS simple reactive forwarding app that uses intent service</description>
-
-</project>

-/*
- * Copyright 2014 Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.onosproject.ifwd;
-
-import static org.slf4j.LoggerFactory.getLogger;
-
-import org.apache.felix.scr.annotations.Activate;
-import org.apache.felix.scr.annotations.Component;
-import org.apache.felix.scr.annotations.Deactivate;
-import org.apache.felix.scr.annotations.Reference;
-import org.apache.felix.scr.annotations.ReferenceCardinality;
-import org.onlab.packet.Ethernet;
-import org.onosproject.core.ApplicationId;
-import org.onosproject.core.CoreService;
-import org.onosproject.net.Host;
-import org.onosproject.net.HostId;
-import org.onosproject.net.PortNumber;
-import org.onosproject.net.flow.DefaultTrafficSelector;
-import org.onosproject.net.flow.DefaultTrafficTreatment;
-import org.onosproject.net.flow.FlowRuleService;
-import org.onosproject.net.flow.TrafficSelector;
-import org.onosproject.net.flow.TrafficTreatment;
-import org.onosproject.net.host.HostService;
-import org.onosproject.net.intent.HostToHostIntent;
-import org.onosproject.net.intent.IntentService;
-import org.onosproject.net.packet.DefaultOutboundPacket;
-import org.onosproject.net.packet.InboundPacket;
-import org.onosproject.net.packet.OutboundPacket;
-import org.onosproject.net.packet.PacketContext;
-import org.onosproject.net.packet.PacketPriority;
-import org.onosproject.net.packet.PacketProcessor;
-import org.onosproject.net.packet.PacketService;
-import org.onosproject.net.topology.TopologyService;
-import org.slf4j.Logger;
-
-/**
- * WORK-IN-PROGRESS: Sample reactive forwarding application using intent framework.
- */
-@Component(immediate = true)
-public class IntentReactiveForwarding {
-
-    private final Logger log = getLogger(getClass());
-
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected CoreService coreService;
-
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected TopologyService topologyService;
-
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected PacketService packetService;
-
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected IntentService intentService;
-
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected HostService hostService;
-
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected FlowRuleService flowRuleService;
-
-    private ReactivePacketProcessor processor = new ReactivePacketProcessor();
-    private ApplicationId appId;
-
-    @Activate
-    public void activate() {
-        appId = coreService.registerApplication("org.onosproject.ifwd");
-
-        packetService.addProcessor(processor, PacketProcessor.ADVISOR_MAX + 2);
-
-        TrafficSelector.Builder selector = DefaultTrafficSelector.builder();
-        selector.matchEthType(Ethernet.TYPE_IPV4);
-        packetService.requestPackets(selector.build(), PacketPriority.REACTIVE, appId);
-
-        log.info("Started");
-    }
-
-    @Deactivate
-    public void deactivate() {
-        packetService.removeProcessor(processor);
-        processor = null;
-        log.info("Stopped");
-    }
-
-    /**
-     * Packet processor responsible for forwarding packets along their paths.
-     */
-    private class ReactivePacketProcessor implements PacketProcessor {
-
-        @Override
-        public void process(PacketContext context) {
-            // Stop processing if the packet has been handled, since we
-            // can't do any more to it.
-            if (context.isHandled()) {
-                return;
-            }
-
-            InboundPacket pkt = context.inPacket();
-            Ethernet ethPkt = pkt.parsed();
-
-            if (ethPkt == null) {
-                return;
-            }
-
-            HostId srcId = HostId.hostId(ethPkt.getSourceMAC());
-            HostId dstId = HostId.hostId(ethPkt.getDestinationMAC());
-
-            // Do we know who this is for? If not, flood and bail.
-            Host dst = hostService.getHost(dstId);
-            if (dst == null) {
-                flood(context);
-                return;
-            }
-
-            // Otherwise forward and be done with it.
-            setUpConnectivity(context, srcId, dstId);
-            forwardPacketToDst(context, dst);
-        }
-    }
-
-    // Floods the specified packet if permissible.
-    private void flood(PacketContext context) {
-        if (topologyService.isBroadcastPoint(topologyService.currentTopology(),
-                                             context.inPacket().receivedFrom())) {
-            packetOut(context, PortNumber.FLOOD);
-        } else {
-            context.block();
-        }
-    }
-
-    // Sends a packet out the specified port.
-    private void packetOut(PacketContext context, PortNumber portNumber) {
-        context.treatmentBuilder().setOutput(portNumber);
-        context.send();
-    }
-
-    private void forwardPacketToDst(PacketContext context, Host dst) {
-        TrafficTreatment treatment = DefaultTrafficTreatment.builder().setOutput(dst.location().port()).build();
-        OutboundPacket packet = new DefaultOutboundPacket(dst.location().deviceId(),
-                                                          treatment, context.inPacket().unparsed());
-        packetService.emit(packet);
-        log.info("sending packet: {}", packet);
-    }
-
-    // Install a rule forwarding the packet to the specified port.
-    private void setUpConnectivity(PacketContext context, HostId srcId, HostId dstId) {
-        TrafficSelector selector = DefaultTrafficSelector.emptySelector();
-        TrafficTreatment treatment = DefaultTrafficTreatment.emptyTreatment();
-
-        HostToHostIntent intent = new HostToHostIntent(appId, srcId, dstId,
-                                                       selector, treatment);
-
-        intentService.submit(intent);
-    }
-
-}

-/*
- * Copyright 2014 Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/**
- * Sample application that provides simple form of reactive forwarding
- * using the intent service.
- */
-package org.onosproject.ifwd;

-<?xml version="1.0" encoding="UTF-8"?>
-<!--
-  ~ Copyright 2015 Open Networking Laboratory
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
-    <modelVersion>4.0.0</modelVersion>
-
-    <parent>
-        <groupId>org.onosproject</groupId>
-        <artifactId>onos-apps</artifactId>
-        <version>1.2.0-SNAPSHOT</version>
-        <relativePath>../pom.xml</relativePath>
-    </parent>
-
-    <artifactId>onos-app-intent-perf</artifactId>
-    <packaging>bundle</packaging>
-
-    <description>ONOS intent perf app bundle</description>
-
-    <dependencies>
-        <dependency>
-            <groupId>org.apache.karaf.shell</groupId>
-            <artifactId>org.apache.karaf.shell.console</artifactId>
-        </dependency>
-
-        <dependency>
-            <groupId>org.onosproject</groupId>
-            <artifactId>onos-cli</artifactId>
-            <version>${project.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.osgi</groupId>
-            <artifactId>org.osgi.compendium</artifactId>
-        </dependency>
-        <!-- Required for javadoc generation -->
-        <dependency>
-           <groupId>org.osgi</groupId>
-           <artifactId>org.osgi.core</artifactId>
-        </dependency>
-    </dependencies>
-
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-assembly-plugin</artifactId>
-                <version>2.5.3</version>
-                <configuration>
-                    <descriptor>src/assembly/bin.xml</descriptor>
-                </configuration>
-                <executions>
-                    <execution>
-                        <phase>package</phase>
-                        <goals>
-                            <goal>single</goal>
-                        </goals>
-                    </execution>
-                </executions>
-            </plugin>
-        </plugins>
-    </build>
-</project>

-<?xml version="1.0" encoding="UTF-8"?>
-<!--
-  ~ Copyright 2015 Open Networking Laboratory
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-<app name="org.onosproject.intentperf" origin="ON.Lab" version="1.1.0"
-     features="onos-app-intent-perf">
-    <description>Intent performance application</description>
-</app>
\ No newline at end of file

-<?xml version="1.0" encoding="UTF-8"?>
-<!--
-  ~ Copyright 2015 Open Networking Laboratory
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-<assembly
-        xmlns="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.2"
-        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-        xsi:schemaLocation="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.2 http://maven.apache.org/xsd/assembly-1.1.2.xsd">
-    <formats>
-        <format>zip</format>
-    </formats>
-    <id>onos</id>
-    <includeBaseDirectory>false</includeBaseDirectory>
-    <files>
-        <file>
-            <source>src/assembly/app.xml</source>
-            <destName>app.xml</destName>
-        </file>
-        <file>
-            <source>target/${project.artifactId}-${project.version}.jar</source>
-            <destName>m2/org/onosproject/${project.artifactId}/${project.version}/${project.artifactId}-${project.version}.jar</destName>
-        </file>
-    </files>
-</assembly>
\ No newline at end of file

-/*
- * Copyright 2015 Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.onosproject.intentperf;
-
-import com.google.common.collect.ImmutableList;
-import org.apache.felix.scr.annotations.Activate;
-import org.apache.felix.scr.annotations.Component;
-import org.apache.felix.scr.annotations.Deactivate;
-import org.apache.felix.scr.annotations.Reference;
-import org.apache.felix.scr.annotations.ReferenceCardinality;
-import org.apache.felix.scr.annotations.Service;
-import org.onosproject.cluster.ClusterService;
-import org.onosproject.cluster.ControllerNode;
-import org.onosproject.cluster.NodeId;
-import org.onosproject.store.cluster.messaging.ClusterCommunicationService;
-import org.onosproject.store.cluster.messaging.ClusterMessage;
-import org.onosproject.store.cluster.messaging.ClusterMessageHandler;
-import org.onosproject.store.cluster.messaging.MessageSubject;
-import org.slf4j.Logger;
-
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.HashMap;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.Map;
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Executors;
-
-import static org.onlab.util.Tools.groupedThreads;
-import static org.slf4j.LoggerFactory.getLogger;
-
-/**
- * Collects and distributes performance samples.
- */
-@Component(immediate = true)
-@Service(value = IntentPerfCollector.class)
-public class IntentPerfCollector {
-
-    private static final long SAMPLE_TIME_WINDOW_MS = 5_000;
-    private final Logger log = getLogger(getClass());
-
-    private static final int MAX_SAMPLES = 1_000;
-
-    private final List<Sample> samples = new LinkedList<>();
-
-    private static final MessageSubject SAMPLE = new MessageSubject("intent-perf-sample");
-
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected ClusterCommunicationService communicationService;
-
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected ClusterService clusterService;
-
-    @Reference(cardinality = ReferenceCardinality.OPTIONAL_UNARY)
-    protected IntentPerfUi ui;
-
-    // Auxiliary structures used to accrue data for normalized time interval
-    // across all nodes.
-    private long newestTime;
-    private Sample overall;
-    private Sample current;
-
-    private ControllerNode[] nodes;
-    private Map<NodeId, Integer> nodeToIndex;
-
-    private NodeId nodeId;
-    private ExecutorService messageHandlingExecutor;
-
-    @Activate
-    public void activate() {
-        nodeId = clusterService.getLocalNode().id();
-
-        // TODO: replace with shared executor
-        messageHandlingExecutor = Executors.newSingleThreadExecutor(
-                groupedThreads("onos/perf", "message-handler"));
-
-        communicationService.addSubscriber(SAMPLE, new InternalSampleCollector(),
-                                           messageHandlingExecutor);
-
-        nodes = clusterService.getNodes().toArray(new ControllerNode[]{});
-        Arrays.sort(nodes, (a, b) -> a.id().toString().compareTo(b.id().toString()));
-
-        nodeToIndex = new HashMap<>();
-        for (int i = 0; i < nodes.length; i++) {
-            nodeToIndex.put(nodes[i].id(), i);
-        }
-
-        clearSamples();
-        log.info("Started");
-    }
-
-    @Deactivate
-    public void deactivate() {
-        messageHandlingExecutor.shutdown();
-        communicationService.removeSubscriber(SAMPLE);
-        log.info("Stopped");
-    }
-
-    /**
-     * Clears all previously accumulated data.
-     */
-    public void clearSamples() {
-        newestTime = 0;
-        overall = new Sample(0, nodes.length);
-        current = new Sample(0, nodes.length);
-        samples.clear();
-    }
-
-
-    /**
-     * Records a sample point of data about intent operation rate.
-     *
-     * @param overallRate overall rate
-     * @param currentRate current rate
-     */
-    public void recordSample(double overallRate, double currentRate) {
-        long now = System.currentTimeMillis();
-        addSample(now, nodeId, overallRate, currentRate);
-        broadcastSample(now, nodeId, overallRate, currentRate);
-    }
-
-    /**
-     * Returns set of node ids as headers.
-     *
-     * @return node id headers
-     */
-    public List<String> getSampleHeaders() {
-        List<String> headers = new ArrayList<>();
-        for (ControllerNode node : nodes) {
-            headers.add(node.id().toString());
-        }
-        return headers;
-    }
-
-    /**
-     * Returns set of all accumulated samples normalized to the local set of
-     * samples.
-     *
-     * @return accumulated samples
-     */
-    public synchronized List<Sample> getSamples() {
-        return ImmutableList.copyOf(samples);
-    }
-
-    /**
-     * Returns overall throughput performance for each of the cluster nodes.
-     *
-     * @return overall intent throughput
-     */
-    public synchronized Sample getOverall() {
-        return overall;
-    }
-
-    // Records a new sample to our collection of samples
-    private synchronized void addSample(long time, NodeId nodeId,
-                                        double overallRate, double currentRate) {
-        Sample fullSample = createCurrentSampleIfNeeded(time);
-        setSampleData(current, nodeId, currentRate);
-        setSampleData(overall, nodeId, overallRate);
-        pruneSamplesIfNeeded();
-
-        if (fullSample != null && ui != null) {
-            ui.reportSample(fullSample);
-        }
-    }
-
-    private Sample createCurrentSampleIfNeeded(long time) {
-        Sample oldSample = time - newestTime > SAMPLE_TIME_WINDOW_MS || current.isComplete() ? current : null;
-        if (oldSample != null) {
-            newestTime = time;
-            current = new Sample(time, nodes.length);
-            if (oldSample.time > 0) {
-                samples.add(oldSample);
-            }
-        }
-        return oldSample;
-    }
-
-    private void setSampleData(Sample sample, NodeId nodeId, double data) {
-        Integer index = nodeToIndex.get(nodeId);
-        if (index != null) {
-            sample.data[index] = data;
-        }
-    }
-
-    private void pruneSamplesIfNeeded() {
-        if (samples.size() > MAX_SAMPLES) {
-            samples.remove(0);
-        }
-    }
-
-    // Performance data sample.
-    static class Sample {
-        final long time;
-        final double[] data;
-
-        public Sample(long time, int nodeCount) {
-            this.time = time;
-            this.data = new double[nodeCount];
-            Arrays.fill(data, -1);
-        }
-
-        public boolean isComplete() {
-            for (int i = 0; i < data.length; i++) {
-                if (data[i] < 0) {
-                    return false;
-                }
-            }
-            return true;
-        }
-    }
-
-    private void broadcastSample(long time, NodeId nodeId, double overallRate, double currentRate) {
-        String data = String.format("%d|%f|%f", time, overallRate, currentRate);
-        communicationService.broadcast(new ClusterMessage(nodeId, SAMPLE, data.getBytes()));
-    }
-
-    private class InternalSampleCollector implements ClusterMessageHandler {
-        @Override
-        public void handle(ClusterMessage message) {
-            String[] fields = new String(message.payload()).split("\\|");
-            log.debug("Received sample from {}: {}", message.sender(), fields);
-            addSample(Long.parseLong(fields[0]), message.sender(),
-                      Double.parseDouble(fields[1]), Double.parseDouble(fields[2]));
-        }
-    }
-}

-/*
- * Copyright 2015 Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.onosproject.intentperf;
-
-import com.google.common.collect.ArrayListMultimap;
-import com.google.common.collect.Lists;
-import com.google.common.collect.Maps;
-import com.google.common.collect.Multimap;
-import com.google.common.collect.Sets;
-import org.apache.commons.lang.math.RandomUtils;
-import org.apache.felix.scr.annotations.Activate;
-import org.apache.felix.scr.annotations.Component;
-import org.apache.felix.scr.annotations.Deactivate;
-import org.apache.felix.scr.annotations.Modified;
-import org.apache.felix.scr.annotations.Property;
-import org.apache.felix.scr.annotations.Reference;
-import org.apache.felix.scr.annotations.ReferenceCardinality;
-import org.apache.felix.scr.annotations.Service;
-import org.onlab.packet.MacAddress;
-import org.onlab.util.Counter;
-import org.onosproject.cfg.ComponentConfigService;
-import org.onosproject.cluster.ClusterService;
-import org.onosproject.cluster.ControllerNode;
-import org.onosproject.cluster.NodeId;
-import org.onosproject.core.ApplicationId;
-import org.onosproject.core.CoreService;
-import org.onosproject.mastership.MastershipService;
-import org.onosproject.net.ConnectPoint;
-import org.onosproject.net.Device;
-import org.onosproject.net.PortNumber;
-import org.onosproject.net.device.DeviceService;
-import org.onosproject.net.flow.DefaultTrafficSelector;
-import org.onosproject.net.flow.DefaultTrafficTreatment;
-import org.onosproject.net.flow.TrafficSelector;
-import org.onosproject.net.flow.TrafficTreatment;
-import org.onosproject.net.intent.Intent;
-import org.onosproject.net.intent.IntentEvent;
-import org.onosproject.net.intent.IntentListener;
-import org.onosproject.net.intent.IntentService;
-import org.onosproject.net.intent.Key;
-import org.onosproject.net.intent.PartitionService;
-import org.onosproject.net.intent.PointToPointIntent;
-import org.onosproject.store.cluster.messaging.ClusterCommunicationService;
-import org.onosproject.store.cluster.messaging.ClusterMessage;
-import org.onosproject.store.cluster.messaging.ClusterMessageHandler;
-import org.onosproject.store.cluster.messaging.MessageSubject;
-import org.osgi.service.component.ComponentContext;
-import org.slf4j.Logger;
-
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Dictionary;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-import java.util.Timer;
-import java.util.TimerTask;
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Executors;
-import java.util.concurrent.TimeUnit;
-import java.util.stream.Collectors;
-
-import static com.google.common.base.Preconditions.checkState;
-import static com.google.common.base.Strings.isNullOrEmpty;
-import static java.lang.String.format;
-import static java.lang.System.currentTimeMillis;
-import static org.apache.felix.scr.annotations.ReferenceCardinality.MANDATORY_UNARY;
-import static org.onlab.util.Tools.*;
-import static org.onosproject.net.intent.IntentEvent.Type.*;
-import static org.slf4j.LoggerFactory.getLogger;
-
-/**
- * Application to test sustained intent throughput.
- */
-@Component(immediate = true)
-@Service(value = IntentPerfInstaller.class)
-public class IntentPerfInstaller {
-
-    private final Logger log = getLogger(getClass());
-
-    private static final int DEFAULT_NUM_WORKERS = 1;
-
-    private static final int DEFAULT_NUM_KEYS = 40000;
-    private static final int DEFAULT_GOAL_CYCLE_PERIOD = 1000; //ms
-
-    private static final int DEFAULT_NUM_NEIGHBORS = 0;
-
-    private static final int START_DELAY = 5_000; // ms
-    private static final int REPORT_PERIOD = 5_000; //ms
-
-    private static final String START = "start";
-    private static final String STOP = "stop";
-    private static final MessageSubject CONTROL = new MessageSubject("intent-perf-ctl");
-
-    //FIXME add path length
-
-    @Property(name = "numKeys", intValue = DEFAULT_NUM_KEYS,
-            label = "Number of keys (i.e. unique intents) to generate per instance")
-    private int numKeys = DEFAULT_NUM_KEYS;
-
-    //TODO implement numWorkers property
-//    @Property(name = "numThreads", intValue = DEFAULT_NUM_WORKERS,
-//              label = "Number of installer threads per instance")
-//    private int numWokers = DEFAULT_NUM_WORKERS;
-
-    @Property(name = "cyclePeriod", intValue = DEFAULT_GOAL_CYCLE_PERIOD,
-            label = "Goal for cycle period (in ms)")
-    private int cyclePeriod = DEFAULT_GOAL_CYCLE_PERIOD;
-
-    @Property(name = "numNeighbors", intValue = DEFAULT_NUM_NEIGHBORS,
-            label = "Number of neighbors to generate intents for")
-    private int numNeighbors = DEFAULT_NUM_NEIGHBORS;
-
-    @Reference(cardinality = MANDATORY_UNARY)
-    protected CoreService coreService;
-
-    @Reference(cardinality = MANDATORY_UNARY)
-    protected IntentService intentService;
-
-    @Reference(cardinality = MANDATORY_UNARY)
-    protected ClusterService clusterService;
-
-    @Reference(cardinality = MANDATORY_UNARY)
-    protected DeviceService deviceService;
-
-    @Reference(cardinality = MANDATORY_UNARY)
-    protected MastershipService mastershipService;
-
-    @Reference(cardinality = MANDATORY_UNARY)
-    protected PartitionService partitionService;
-
-    @Reference(cardinality = MANDATORY_UNARY)
-    protected ComponentConfigService configService;
-
-    @Reference(cardinality = MANDATORY_UNARY)
-    protected IntentPerfCollector sampleCollector;
-
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected ClusterCommunicationService communicationService;
-
-    private ExecutorService messageHandlingExecutor;
-
-    private ExecutorService workers;
-    private ApplicationId appId;
-    private Listener listener;
-    private boolean stopped;
-
-    private Timer reportTimer;
-
-    // FIXME this variable isn't shared properly between multiple worker threads
-    private int lastKey = 0;
-
-    private IntentPerfUi perfUi;
-    private NodeId nodeId;
-    private TimerTask reporterTask;
-
-    @Activate
-    public void activate(ComponentContext context) {
-        configService.registerProperties(getClass());
-
-        nodeId = clusterService.getLocalNode().id();
-        appId = coreService.registerApplication("org.onosproject.intentperf." + nodeId.toString());
-
-        // TODO: replace with shared timer
-        reportTimer = new Timer("onos-intent-perf-reporter");
-        workers = Executors.newFixedThreadPool(DEFAULT_NUM_WORKERS, groupedThreads("onos/intent-perf", "worker-%d"));
-
-        // disable flow backups for testing
-        configService.setProperty("org.onosproject.store.flow.impl.DistributedFlowRuleStore",
-                                  "backupEnabled", "false");
-
-        // TODO: replace with shared executor
-        messageHandlingExecutor = Executors.newSingleThreadExecutor(
-                groupedThreads("onos/perf", "command-handler"));
-
-        communicationService.addSubscriber(CONTROL, new InternalControl(),
-                                           messageHandlingExecutor);
-
-        listener = new Listener();
-        intentService.addListener(listener);
-
-        // TODO: investigate why this seems to be necessary for configs to get picked up on initial activation
-        modify(context);
-    }
-
-    @Deactivate
-    public void deactivate() {
-        stopTestRun();
-
-        configService.unregisterProperties(getClass(), false);
-        messageHandlingExecutor.shutdown();
-        communicationService.removeSubscriber(CONTROL);
-
-        if (listener != null) {
-            reportTimer.cancel();
-            intentService.removeListener(listener);
-            listener = null;
-            reportTimer = null;
-        }
-    }
-
-    @Modified
-    public void modify(ComponentContext context) {
-        if (context == null) {
-            logConfig("Reconfigured");
-            return;
-        }
-
-        Dictionary<?, ?> properties = context.getProperties();
-        int newNumKeys, newCyclePeriod, newNumNeighbors;
-        try {
-            String s = get(properties, "numKeys");
-            newNumKeys = isNullOrEmpty(s) ? numKeys : Integer.parseInt(s.trim());
-
-            s = get(properties, "cyclePeriod");
-            newCyclePeriod = isNullOrEmpty(s) ? cyclePeriod : Integer.parseInt(s.trim());
-
-            s = get(properties, "numNeighbors");
-            newNumNeighbors = isNullOrEmpty(s) ? numNeighbors : Integer.parseInt(s.trim());
-
-        } catch (NumberFormatException | ClassCastException e) {
-            log.warn("Malformed configuration detected; using defaults", e);
-            newNumKeys = DEFAULT_NUM_KEYS;
-            newCyclePeriod = DEFAULT_GOAL_CYCLE_PERIOD;
-            newNumNeighbors = DEFAULT_NUM_NEIGHBORS;
-        }
-
-        if (newNumKeys != numKeys || newCyclePeriod != cyclePeriod || newNumNeighbors != numNeighbors) {
-            numKeys = newNumKeys;
-            cyclePeriod = newCyclePeriod;
-            numNeighbors = newNumNeighbors;
-            logConfig("Reconfigured");
-        }
-    }
-
-    public void start() {
-        communicationService.broadcast(new ClusterMessage(nodeId, CONTROL, START.getBytes()));
-        startTestRun();
-    }
-
-    public void stop() {
-        communicationService.broadcast(new ClusterMessage(nodeId, CONTROL, STOP.getBytes()));
-        stopTestRun();
-    }
-
-    private void logConfig(String prefix) {
-        log.info("{} with appId {}; numKeys = {}; cyclePeriod = {} ms; numNeighbors={}",
-                 prefix, appId.id(), numKeys, cyclePeriod, numNeighbors);
-    }
-
-    private void startTestRun() {
-        sampleCollector.clearSamples();
-
-        // adjust numNeighbors and generate list of neighbors
-        numNeighbors = Math.min(clusterService.getNodes().size() - 1, numNeighbors);
-
-        // Schedule reporter task on report period boundary
-        reporterTask = new ReporterTask();
-        reportTimer.scheduleAtFixedRate(reporterTask,
-                                        REPORT_PERIOD - currentTimeMillis() % REPORT_PERIOD,
-                                        REPORT_PERIOD);
-
-        // Submit workers
-        stopped = false;
-        for (int i = 0; i < DEFAULT_NUM_WORKERS; i++) {
-            workers.submit(new Submitter(createIntents(numKeys, /*FIXME*/ 2, lastKey)));
-        }
-        log.info("Started test run");
-    }
-
-    private void stopTestRun() {
-        stopped = true;
-        if (reporterTask != null) {
-            reporterTask.cancel();
-            reporterTask = null;
-        }
-
-        try {
-            workers.awaitTermination(5 * cyclePeriod, TimeUnit.MILLISECONDS);
-        } catch (InterruptedException e) {
-            log.warn("Failed to stop worker", e);
-        }
-        log.info("Stopped test run");
-    }
-
-    private List<NodeId> getNeighbors() {
-        List<NodeId> nodes = clusterService.getNodes().stream()
-                .map(ControllerNode::id)
-                .collect(Collectors.toCollection(ArrayList::new));
-        // sort neighbors by id
-        Collections.sort(nodes, (node1, node2) ->
-                node1.toString().compareTo(node2.toString()));
-        // rotate the local node to index 0
-        Collections.rotate(nodes, -1 * nodes.indexOf(clusterService.getLocalNode().id()));
-        log.debug("neighbors (raw): {}", nodes); //TODO remove
-        // generate the sub-list that will contain local node and selected neighbors
-        nodes = nodes.subList(0, numNeighbors + 1);
-        log.debug("neighbors: {}", nodes); //TODO remove
-        return nodes;
-    }
-
-    private Intent createIntent(Key key, long mac, NodeId node, Multimap<NodeId, Device> devices) {
-        // choose a random device for which this node is master
-        List<Device> deviceList = devices.get(node).stream().collect(Collectors.toList());
-        Device device = deviceList.get(RandomUtils.nextInt(deviceList.size()));
-
-        //FIXME we currently ignore the path length and always use the same device
-        TrafficSelector selector = DefaultTrafficSelector.builder()
-                .matchEthDst(MacAddress.valueOf(mac)).build();
-        TrafficTreatment treatment = DefaultTrafficTreatment.emptyTreatment();
-        ConnectPoint ingress = new ConnectPoint(device.id(), PortNumber.portNumber(1));
-        ConnectPoint egress = new ConnectPoint(device.id(), PortNumber.portNumber(2));
-
-        return PointToPointIntent.builder()
-                        .appId(appId)
-                        .key(key)
-                        .selector(selector)
-                        .treatment(treatment)
-                        .ingressPoint(ingress)
-                        .egressPoint(egress)
-                        .build();
-
-    }
-
-    /**
-     * Creates a specified number of intents for testing purposes.
-     *
-     * @param numberOfKeys number of intents
-     * @param pathLength   path depth
-     * @param firstKey     first key to attempt
-     * @return set of intents
-     */
-    private Set<Intent> createIntents(int numberOfKeys, int pathLength, int firstKey) {
-        List<NodeId> neighbors = getNeighbors();
-
-        Multimap<NodeId, Device> devices = ArrayListMultimap.create();
-        deviceService.getAvailableDevices()
-                .forEach(device -> devices.put(mastershipService.getMasterFor(device.id()), device));
-
-        // ensure that we have at least one device per neighbor
-        neighbors.forEach(node -> checkState(devices.get(node).size() > 0,
-                                             "There are no devices for {}", node));
-
-        // TODO pull this outside so that createIntent can use it
-        // prefix based on node id for keys generated on this instance
-        long keyPrefix = ((long) clusterService.getLocalNode().ip().getIp4Address().toInt()) << 32;
-
-        int maxKeysPerNode = (int) Math.ceil((double) numberOfKeys / neighbors.size());
-        Multimap<NodeId, Intent> intents = ArrayListMultimap.create();
-
-        for (int count = 0, k = firstKey; count < numberOfKeys; k++) {
-            Key key = Key.of(keyPrefix + k, appId);
-
-            NodeId leader = partitionService.getLeader(key);
-            if (!neighbors.contains(leader) || intents.get(leader).size() >= maxKeysPerNode) {
-                // Bail if we are not sending to this node or we have enough for this node
-                continue;
-            }
-            intents.put(leader, createIntent(key, keyPrefix + k, leader, devices));
-
-            // Bump up the counter and remember this as the last key used.
-            count++;
-            lastKey = k;
-            if (count % 1000 == 0) {
-                log.info("Building intents... {} (attempt: {})", count, lastKey);
-            }
-        }
-        checkState(intents.values().size() == numberOfKeys,
-                   "Generated wrong number of intents");
-        log.info("Created {} intents", numberOfKeys);
-        intents.keySet().forEach(node -> log.info("\t{}\t{}", node, intents.get(node).size()));
-
-        return Sets.newHashSet(intents.values());
-    }
-
-    // Submits intent operations.
-    final class Submitter implements Runnable {
-
-        private long lastDuration;
-        private int lastCount;
-
-        private Set<Intent> intents = Sets.newHashSet();
-        private Set<Intent> submitted = Sets.newHashSet();
-        private Set<Intent> withdrawn = Sets.newHashSet();
-
-        private Submitter(Set<Intent> intents) {
-            this.intents = intents;
-            lastCount = numKeys / 4;
-            lastDuration = 1_000; // 1 second
-        }
-
-        @Override
-        public void run() {
-            prime();
-            while (!stopped) {
-                try {
-                    cycle();
-                } catch (Exception e) {
-                    log.warn("Exception during cycle", e);
-                }
-            }
-            clear();
-        }
-
-        private Iterable<Intent> subset(Set<Intent> intents) {
-            List<Intent> subset = Lists.newArrayList(intents);
-            Collections.shuffle(subset);
-            return subset.subList(0, lastCount);
-        }
-
-        // Submits the specified intent.
-        private void submit(Intent intent) {
-            intentService.submit(intent);
-            submitted.add(intent);
-            withdrawn.remove(intent); //TODO could check result here...
-        }
-
-        // Withdraws the specified intent.
-        private void withdraw(Intent intent) {
-            intentService.withdraw(intent);
-            withdrawn.add(intent);
-            submitted.remove(intent); //TODO could check result here...
-        }
-
-        // Primes the cycle.
-        private void prime() {
-            int i = 0;
-            withdrawn.addAll(intents);
-            for (Intent intent : intents) {
-                submit(intent);
-                // only submit half of the intents to start
-                if (i++ >= intents.size() / 2) {
-                    break;
-                }
-            }
-        }
-
-        private void clear() {
-            submitted.forEach(this::withdraw);
-        }
-
-        // Runs a single operation cycle.
-        private void cycle() {
-            //TODO consider running without rate adjustment
-            adjustRates();
-
-            long start = currentTimeMillis();
-            subset(submitted).forEach(this::withdraw);
-            subset(withdrawn).forEach(this::submit);
-            long delta = currentTimeMillis() - start;
-
-            if (delta > cyclePeriod * 3 || delta < 0) {
-                log.warn("Cycle took {} ms", delta);
-            }
-
-            int difference = cyclePeriod - (int) delta;
-            if (difference > 0) {
-                delay(difference);
-            }
-
-            lastDuration = delta;
-        }
-
-        int cycleCount = 0;
-
-        private void adjustRates() {
-
-            int addDelta = Math.max(1000 - cycleCount, 10);
-            double multRatio = Math.min(0.8 + cycleCount * 0.0002, 0.995);
-
-            //FIXME need to iron out the rate adjustment
-            //FIXME we should taper the adjustments over time
-            //FIXME don't just use the lastDuration, take an average
-            if (++cycleCount % 5 == 0) { //TODO: maybe use a timer (we should do this every 5-10 sec)
-                if (listener.requestThroughput() - listener.processedThroughput() <= 2000 && //was 500
-                        lastDuration <= cyclePeriod) {
-                    lastCount = Math.min(lastCount + addDelta, intents.size() / 2);
-                } else {
-                    lastCount *= multRatio;
-                }
-                log.info("last count: {}, last duration: {} ms (sub: {} vs inst: {})",
-                         lastCount, lastDuration, listener.requestThroughput(), listener.processedThroughput());
-            }
-
-        }
-    }
-
-    // Event listener to monitor throughput.
-    final class Listener implements IntentListener {
-
-        private final Counter runningTotal = new Counter();
-        private volatile Map<IntentEvent.Type, Counter> counters;
-
-        private volatile double processedThroughput = 0;
-        private volatile double requestThroughput = 0;
-
-        public Listener() {
-            counters = initCounters();
-        }
-
-        private Map<IntentEvent.Type, Counter> initCounters() {
-            Map<IntentEvent.Type, Counter> map = Maps.newHashMap();
-            for (IntentEvent.Type type : IntentEvent.Type.values()) {
-                map.put(type, new Counter());
-            }
-            return map;
-        }
-
-        public double processedThroughput() {
-            return processedThroughput;
-        }
-
-        public double requestThroughput() {
-            return requestThroughput;
-        }
-
-        @Override
-        public void event(IntentEvent event) {
-            if (event.subject().appId().equals(appId)) {
-                counters.get(event.type()).add(1);
-            }
-        }
-
-        public void report() {
-            Map<IntentEvent.Type, Counter> reportCounters = counters;
-            counters = initCounters();
-
-            // update running total and latest throughput
-            Counter installed = reportCounters.get(INSTALLED);
-            Counter withdrawn = reportCounters.get(WITHDRAWN);
-            processedThroughput = installed.throughput() + withdrawn.throughput();
-            runningTotal.add(installed.total() + withdrawn.total());
-
-            Counter installReq = reportCounters.get(INSTALL_REQ);
-            Counter withdrawReq = reportCounters.get(WITHDRAW_REQ);
-            requestThroughput = installReq.throughput() + withdrawReq.throughput();
-
-            // build the string to report
-            StringBuilder stringBuilder = new StringBuilder();
-            for (IntentEvent.Type type : IntentEvent.Type.values()) {
-                Counter counter = reportCounters.get(type);
-                stringBuilder.append(format("%s=%.2f;", type, counter.throughput()));
-            }
-            log.info("Throughput: OVERALL={}; CURRENT={}; {}",
-                     format("%.2f", runningTotal.throughput()),
-                     format("%.2f", processedThroughput),
-                     stringBuilder);
-
-            sampleCollector.recordSample(runningTotal.throughput(),
-                                         processedThroughput);
-        }
-    }
-
-    private class InternalControl implements ClusterMessageHandler {
-        @Override
-        public void handle(ClusterMessage message) {
-            String cmd = new String(message.payload());
-            log.info("Received command {}", cmd);
-            if (cmd.equals(START)) {
-                startTestRun();
-            } else {
-                stopTestRun();
-            }
-        }
-    }
-
-    private class ReporterTask extends TimerTask {
-        @Override
-        public void run() {
-            //adjustRates(); // FIXME we currently adjust rates in the cycle thread
-            listener.report();
-        }
-    }
-
-}

-/*
- * Copyright 2015 Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.onosproject.intentperf;
-
-import org.apache.karaf.shell.commands.Command;
-import org.apache.karaf.shell.commands.Option;
-import org.onosproject.cli.AbstractShellCommand;
-import org.onosproject.intentperf.IntentPerfCollector.Sample;
-
-import java.text.SimpleDateFormat;
-import java.util.Date;
-import java.util.List;
-
-/**
- * Displays accumulated performance metrics.
- */
-@Command(scope = "onos", name = "intent-perf",
-        description = "Displays accumulated performance metrics")
-public class IntentPerfListCommand extends AbstractShellCommand {
-
-    @Option(name = "-s", aliases = "--summary", description = "Output just summary",
-            required = false, multiValued = false)
-    private boolean summary = false;
-
-    @Override
-    protected void execute() {
-        if (summary) {
-            printSummary();
-        } else {
-            printSamples();
-        }
-    }
-
-    private void printSummary() {
-        IntentPerfCollector collector = get(IntentPerfCollector.class);
-        List<String> headers = collector.getSampleHeaders();
-        Sample overall = collector.getOverall();
-        double total = 0;
-        print("%12s: %14s", "Node ID", "Overall Rate");
-        for (int i = 0; i < overall.data.length; i++) {
-            if (overall.data[i] >= 0) {
-                print("%12s: %14.2f", headers.get(i), overall.data[i]);
-                total += overall.data[i];
-            } else {
-                print("%12s: %14s", headers.get(i), " ");
-            }
-        }
-        print("%12s: %14.2f", "total", total);
-    }
-
-    private void printSamples() {
-        IntentPerfCollector collector = get(IntentPerfCollector.class);
-        List<String> headers = collector.getSampleHeaders();
-        List<Sample> samples = collector.getSamples();
-
-        System.out.print(String.format("%10s  ", "Time"));
-        for (String header : headers) {
-            System.out.print(String.format("%12s  ", header));
-        }
-        System.out.println(String.format("%12s", "Total"));
-
-        SimpleDateFormat sdf = new SimpleDateFormat("HH:mm:ss");
-        for (Sample sample : samples) {
-            double total = 0;
-            System.out.print(String.format("%10s  ", sdf.format(new Date(sample.time))));
-            for (int i = 0; i < sample.data.length; i++) {
-                if (sample.data[i] >= 0) {
-                    System.out.print(String.format("%12.2f  ", sample.data[i]));
-                    total += sample.data[i];
-                } else {
-                    System.out.print(String.format("%12s  ", " "));
-                }
-            }
-            System.out.println(String.format("%12.2f", total));
-        }
-    }
-
-}

-/*
- * Copyright 2015 Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.onosproject.intentperf;
-
-import org.apache.karaf.shell.commands.Command;
-import org.onosproject.cli.AbstractShellCommand;
-
-/**
- * Starts intent performance test run.
- */
-@Command(scope = "onos", name = "intent-perf-start",
-        description = "Starts intent performance test run")
-public class IntentPerfStartCommand extends AbstractShellCommand {
-
-    @Override
-    protected void execute() {
-        get(IntentPerfInstaller.class).start();
-    }
-
-}

-/*
- * Copyright 2015 Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.onosproject.intentperf;
-
-import org.apache.karaf.shell.commands.Command;
-import org.onosproject.cli.AbstractShellCommand;
-
-/**
- * Stops intent performance test run.
- */
-@Command(scope = "onos", name = "intent-perf-stop",
-        description = "Stops intent performance test run")
-public class IntentPerfStopCommand extends AbstractShellCommand {
-
-    @Override
-    protected void execute() {
-        get(IntentPerfInstaller.class).stop();
-    }
-
-}

-/*
- * Copyright 2015 Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.onosproject.intentperf;
-
-import com.fasterxml.jackson.databind.node.ObjectNode;
-import com.google.common.collect.ImmutableList;
-import com.google.common.collect.ImmutableSet;
-import org.apache.felix.scr.annotations.Activate;
-import org.apache.felix.scr.annotations.Component;
-import org.apache.felix.scr.annotations.Deactivate;
-import org.apache.felix.scr.annotations.Reference;
-import org.apache.felix.scr.annotations.ReferenceCardinality;
-import org.onlab.osgi.ServiceDirectory;
-import org.onosproject.intentperf.IntentPerfCollector.Sample;
-import org.onosproject.ui.UiConnection;
-import org.onosproject.ui.UiExtension;
-import org.onosproject.ui.UiExtensionService;
-import org.onosproject.ui.UiMessageHandler;
-import org.onosproject.ui.UiView;
-
-import java.util.Collection;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Set;
-
-import static java.util.Collections.synchronizedSet;
-
-/**
- * Mechanism to stream data to the GUI.
- */
-@Component(immediate = true, enabled = false)
-public class IntentPerfUi {
-
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected UiExtensionService uiExtensionService;
-
-    private final Set<StreamingControl> handlers = synchronizedSet(new HashSet<>());
-
-    private List<UiView> views = ImmutableList.of(new UiView("intentPerf", "Intent Performance"));
-    private UiExtension uiExtension = new UiExtension(views, this::newHandlers,
-                                                      getClass().getClassLoader());
-
-    @Activate
-    protected void activate() {
-        uiExtensionService.register(uiExtension);
-    }
-
-    @Deactivate
-    protected void deactivate() {
-        uiExtensionService.unregister(uiExtension);
-    }
-
-    /**
-     * Reports a single sample of performance data.
-     *
-     * @param sample performance sample
-     */
-    public void reportSample(Sample sample) {
-        synchronized (handlers) {
-            handlers.forEach(h -> h.send(sample));
-        }
-    }
-
-    // Creates and returns session specific message handler.
-    private Collection<UiMessageHandler> newHandlers() {
-        return ImmutableList.of(new StreamingControl());
-    }
-
-    // UI Message handlers for turning on/off reporting to a session.
-    private class StreamingControl extends UiMessageHandler {
-
-        private boolean streamingEnabled = false;
-
-        protected StreamingControl() {
-            super(ImmutableSet.of("intentPerfStart", "intentPerfStop"));
-        }
-
-        @Override
-        public void process(ObjectNode message) {
-            streamingEnabled = message.path("event").asText("unknown").equals("initPerfStart");
-        }
-
-        @Override
-        public void init(UiConnection connection, ServiceDirectory directory) {
-            super.init(connection, directory);
-            handlers.add(this);
-        }
-
-        @Override
-        public void destroy() {
-            super.destroy();
-            handlers.remove(this);
-        }
-
-        private void send(Sample sample) {
-            // FIXME: finish this
-            ObjectNode sn = mapper.createObjectNode()
-                    .put("time", sample.time);
-            connection().sendMessage("intentPerf", 0, sn);
-        }
-    }
-
-}

-/*
- * Copyright 2015 Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/**
- * Performance test application that induces steady load on the intent subsystem.
- */
-package org.onosproject.intentperf;
\ No newline at end of file

-<!--
-  ~ Copyright 2015 Open Networking Laboratory
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-<blueprint xmlns="http://www.osgi.org/xmlns/blueprint/v1.0.0">
-    <command-bundle xmlns="http://karaf.apache.org/xmlns/shell/v1.1.0">
-        <command>
-            <action class="org.onosproject.intentperf.IntentPerfListCommand"/>
-        </command>
-        <command>
-            <action class="org.onosproject.intentperf.IntentPerfStartCommand"/>
-        </command>
-        <command>
-            <action class="org.onosproject.intentperf.IntentPerfStopCommand"/>
-        </command>
-    </command-bundle>
-</blueprint>

-date,value,node
-00:55:15,68.38,node1
-00:55:15,55.61,node2
-00:55:15,74.00,node3
-00:55:30,74.20,node1
-00:55:30,77.60,node2
-00:55:30,74.80,node3
-00:55:45,74.60,node1
-00:55:45,72.80,node2
-00:55:45,77.00,node3
-00:56:00,73.60,node1
-00:56:00,75.00,node2
-00:56:00,76.98,node3
-00:56:15,75.82,node1
-00:56:15,75.40,node2
-00:56:15,76.00,node3
-00:56:30,75.60,node1
-00:56:30,74.59,node2
-00:56:30,74.01,node3
\ No newline at end of file

-key,value,date
-Group1,37,00:23:00
-Group2,12,00:23:00
-Group3,46,00:23:00
-Group1,32,00:23:05
-Group2,19,00:23:05
-Group3,42,00:23:05
-Group1,45,00:23:10
-Group2,16,00:23:10
-Group3,44,00:23:10
-Group1,24,00:23:15
-Group2,52,00:23:15
-Group3,64,00:23:15
-Group1,34,00:23:20
-Group2,62,00:23:20
-Group3,74,00:23:20
-Group1,34,00:23:25
-Group2,62,00:23:25
-Group3,74,00:23:25
\ No newline at end of file

-/*
- * Copyright 2015 Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/*
- ONOS GUI -- Intent Perf View -- CSS file
- */
-
-.light #ov-intentPerf {
-    color: navy;
-}
-
-.dark #ov-intentPerf {
-    color: #1e5e6f;
-}
-
-.dark a {
-    color: #88c;
-}
-
-#ov-intentPerf .msg {
-    color: darkorange;
-}
-
-.light #ov-intentPerf .msg {
-    color: darkorange;
-}
-
-.dark #ov-intentPerf .msg {
-    color: #904e00;
-}
-
-
-
-.axis path,
-.axis line {
-    fill: none;
-    stroke: #000;
-    shape-rendering: crispEdges;
-}
-
-.browser text {
-    text-anchor: end;
-}

-<!--
-  ~ Copyright 2015 Open Networking Laboratory
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<!-- Intent Performance partial HTML -->
-<div id="ov-sample">
-    <h2> Intent Performance View </h2>
-
-    <span class="msg">{{ ctrl.message }}</span>
-
-    <div id="intent-perf-chart"></div>
-</div>

-/*
- * Copyright 2015 Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/*
- ONOS GUI -- Intent Performance View Module
- */
-(function () {
-    'use strict';
-
-    // injected refs
-    var $log, tbs, flash;
-
-    function start() {
-        //var format = d3.time.format("%m/%d/%y");
-        var format = d3.time.format("%H:%M:%S");
-        var samples = [];
-
-        var margin = {top: 20, right: 30, bottom: 30, left: 40},
-            width = 960 - margin.left - margin.right,
-            height = 500 - margin.top - margin.bottom;
-
-        var x = d3.time.scale()
-            .range([0, width]);
-
-        var y = d3.scale.linear()
-            .range([height, 0]);
-
-        var z = d3.scale.category20c();
-
-        var xAxis = d3.svg.axis()
-            .scale(x)
-            .orient("bottom")
-            .ticks(d3.time.seconds);
-
-        var yAxis = d3.svg.axis()
-            .scale(y)
-            .orient("left");
-
-        var stack = d3.layout.stack()
-            .offset("zero")
-            .values(function(d) { return d.values; })
-            .x(function(d) { return d.date; })
-            .y(function(d) { return d.value; });
-
-        var nest = d3.nest()
-            .key(function(d) { return d.key; });
-
-        var area = d3.svg.area()
-            .interpolate("cardinal")
-            .x(function(d) { return x(d.date); })
-            .y0(function(d) { return y(d.y0); })
-            .y1(function(d) { return y(d.y0 + d.y); });
-
-        var svg = d3.select("body").append("svg")
-            .attr("width", width + margin.left + margin.right)
-            .attr("height", height + margin.top + margin.bottom)
-            .append("g")
-            .attr("transform", "translate(" + margin.left + "," + margin.top + ")");
-
-        svg.append("g")
-            .attr("class", "x axis")
-            .attr("transform", "translate(0," + height + ")")
-            .call(xAxis);
-
-        svg.append("g")
-            .attr("class", "y axis")
-            .call(yAxis);
-
-        function fetchData() {
-            d3.csv("app/view/intentPerf/data.csv", function (data) {
-                samples = data;
-                updateGraph();
-            });
-        }
-
-        function updateGraph() {
-            samples.forEach(function(d) {
-                d.date = format.parse(d.date);
-                d.value = +d.value;
-            });
-
-            var layers = stack(nest.entries(samples));
-
-            x.domain(d3.extent(samples, function(d) { return d.date; }));
-            y.domain([0, d3.max(samples, function(d) { return d.y0 + d.y; })]);
-
-            svg.selectAll(".layer")
-                .data(layers)
-                .enter().append("path")
-                .attr("class", "layer")
-                .attr("d", function(d) { return area(d.values); })
-                .style("fill", function(d, i) { return z(i); });
-
-            svg.select(".x")
-                .attr("transform", "translate(0," + height + ")")
-                .call(xAxis);
-
-            svg.select(".y")
-                .call(yAxis);
-
-            console.log('tick');
-        }
-    }
-
-    start();
-
-    // define the controller
-
-    angular.module('ovIntentPerf', ['onosUtil'])
-    .controller('OvIntentPerfCtrl',
-        ['$scope', '$log', 'ToolbarService', 'FlashService',
-
-        function ($scope, _$log_, _tbs_, _flash_) {
-            var self = this
-
-            $log = _$log_;
-            tbs = _tbs_;
-            flash = _flash_;
-
-            self.message = 'Hey there dudes!';
-            start();
-
-            // Clean up on destroyed scope
-            $scope.$on('$destroy', function () {
-            });
-
-         $log.log('OvIntentPerfCtrl has been created');
-    }]);
-}());

-<link rel="stylesheet" href="app/view/intentPerf/intentPerf.css">

-<!DOCTYPE html>
-<!--
-  ~ Copyright 2014 Open Networking Laboratory
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-<html>
-<head>
-    <title>Dev View</title>
-    <script src="tp/d3.min.js"></script>
-    <script src="tp/jquery-2.1.1.min.js"></script>
-
-    <link rel="stylesheet" href="app/view/intentPerf/intentPerf.css">
-</head>
-<body>
-<div id="intent-perf-chart" style="width: 1024px; height: 800px"></div>
-<script src="app/view/intentPerf/intentPerf.js"></script>
-</body>
-</html>
\ No newline at end of file

-<script src="app/view/intentPerf/intentPerf.js"></script>

@@ -32,24 +32,17 @@
     <description>ONOS sample applications</description>
     <description>ONOS sample applications</description>
 
 
     <modules>
     <modules>
-        <module>tvue</module>
         <module>fwd</module>
         <module>fwd</module>
-        <module>ifwd</module>
         <module>mobility</module>
         <module>mobility</module>
         <module>proxyarp</module>
         <module>proxyarp</module>
         <module>config</module>
         <module>config</module>
         <module>sdnip</module>
         <module>sdnip</module>
-        <module>calendar</module>
         <module>optical</module>
         <module>optical</module>
         <module>metrics</module>
         <module>metrics</module>
         <module>oecfg</module>
         <module>oecfg</module>
-        <module>demo</module>
-        <module>election</module>
         <module>routing</module>
         <module>routing</module>
         <module>routing-api</module>
         <module>routing-api</module>
         <module>bgprouter</module>
         <module>bgprouter</module>
-        <module>intent-perf</module>
-        <module>database-perf</module>
     </modules>
     </modules>
 
 
     <properties>
     <properties>

-<?xml version="1.0" encoding="UTF-8"?>
-<!--
-  ~ Copyright 2015 Open Networking Laboratory
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-<app name="org.onosproject.app.tvue" origin="ON.Lab" version="1.1.0"
-        features="onos-app-tvue">
-    <description>Early prototype GUI (deprecated)</description>
-</app>

-<?xml version="1.0" encoding="UTF-8"?>
-<!--
-  ~ Copyright 2014 Open Networking Laboratory
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
-    <modelVersion>4.0.0</modelVersion>
-
-    <parent>
-        <groupId>org.onosproject</groupId>
-        <artifactId>onos-apps</artifactId>
-        <version>1.2.0-SNAPSHOT</version>
-        <relativePath>../pom.xml</relativePath>
-    </parent>
-
-    <artifactId>onos-app-tvue</artifactId>
-    <packaging>bundle</packaging>
-
-    <description>ONOS simple topology viewer</description>
-
-    <properties>
-        <web.context>/onos/tvue</web.context>
-    </properties>
-
-    <dependencies>
-        <dependency>
-            <groupId>org.onosproject</groupId>
-            <artifactId>onlab-rest</artifactId>
-            <version>${project.version}</version>
-        </dependency>
-
-        <dependency>
-            <groupId>com.sun.jersey</groupId>
-            <artifactId>jersey-servlet</artifactId>
-        </dependency>
-        <dependency>
-            <groupId>com.sun.jersey.jersey-test-framework</groupId>
-            <artifactId>jersey-test-framework-core</artifactId>
-            <version>1.18.1</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>com.sun.jersey.jersey-test-framework</groupId>
-            <artifactId>jersey-test-framework-grizzly2</artifactId>
-            <version>1.18.1</version>
-            <scope>test</scope>
-        </dependency>
-
-        <dependency>
-            <groupId>com.fasterxml.jackson.core</groupId>
-            <artifactId>jackson-databind</artifactId>
-        </dependency>
-
-        <dependency>
-            <groupId>com.fasterxml.jackson.core</groupId>
-            <artifactId>jackson-annotations</artifactId>
-        </dependency>
-
-        <dependency>
-            <groupId>org.osgi</groupId>
-            <artifactId>org.osgi.core</artifactId>
-        </dependency>
-    </dependencies>
-
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.felix</groupId>
-                <artifactId>maven-bundle-plugin</artifactId>
-                <extensions>true</extensions>
-                <configuration>
-                    <instructions>
-                        <_wab>src/main/webapp/</_wab>
-                        <Bundle-SymbolicName>
-                            ${project.groupId}.${project.artifactId}
-                        </Bundle-SymbolicName>
-                        <Import-Package>
-                            org.osgi.framework,
-                            javax.ws.rs,javax.ws.rs.core,
-                            com.sun.jersey.api.core,
-                            com.sun.jersey.spi.container.servlet,
-                            com.sun.jersey.server.impl.container.servlet,
-                            com.fasterxml.jackson.databind,
-                            com.fasterxml.jackson.databind.node,
-                            org.onlab.packet.*,
-                            org.onlab.rest.*,
-                            org.onosproject.*
-                        </Import-Package>
-                        <Web-ContextPath>${web.context}</Web-ContextPath>
-                    </instructions>
-                </configuration>
-            </plugin>
-        </plugins>
-    </build>
-
-</project>

-/*
- * Copyright 2014 Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.onosproject.tvue;
-
-import com.fasterxml.jackson.databind.ObjectMapper;
-import com.fasterxml.jackson.databind.node.ArrayNode;
-import com.fasterxml.jackson.databind.node.ObjectNode;
-import org.onosproject.net.ConnectPoint;
-import org.onosproject.net.ElementId;
-import org.onosproject.net.Host;
-import org.onosproject.net.Link;
-import org.onosproject.net.Path;
-import org.onosproject.net.device.DeviceService;
-import org.onosproject.net.host.HostService;
-import org.onosproject.net.link.LinkService;
-import org.onosproject.net.topology.PathService;
-import org.onosproject.net.topology.Topology;
-import org.onosproject.net.topology.TopologyGraph;
-import org.onosproject.net.topology.TopologyService;
-import org.onosproject.net.topology.TopologyVertex;
-import org.onlab.packet.IpAddress;
-import org.onlab.rest.BaseResource;
-
-import javax.ws.rs.GET;
-import javax.ws.rs.PathParam;
-import javax.ws.rs.Produces;
-import javax.ws.rs.core.Response;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.Map;
-import java.util.Set;
-
-import static org.onosproject.net.DeviceId.deviceId;
-import static org.onosproject.net.HostId.hostId;
-import static org.onosproject.net.PortNumber.portNumber;
-
-/**
- * Topology viewer resource.
- */
-@javax.ws.rs.Path("topology")
-public class TopologyResource extends BaseResource {
-
-    @javax.ws.rs.Path("/graph")
-    @GET
-    @Produces("application/json")
-    public Response graph() {
-        ObjectMapper mapper = new ObjectMapper();
-
-        // Fetch the services we'll be using.
-        DeviceService deviceService = get(DeviceService.class);
-        HostService hostService = get(HostService.class);
-        TopologyService topologyService = get(TopologyService.class);
-
-        // Fetch the current topology and its graph that we'll use to render.
-        Topology topo = topologyService.currentTopology();
-        TopologyGraph graph = topologyService.getGraph(topo);
-
-        // Build all interior vertexes, i.e. no end-station hosts yet
-        ArrayNode vertexesNode = mapper.createArrayNode();
-        for (TopologyVertex vertex : graph.getVertexes()) {
-            vertexesNode.add(json(mapper, vertex.deviceId(), 2,
-                                  vertex.deviceId().uri().getSchemeSpecificPart(),
-                                  deviceService.isAvailable(vertex.deviceId())));
-        }
-
-        // Now scan all links and count number of them between the same devices
-        // using a normalized link key.
-        Map<String, AggLink> linkRecords = aggregateLinks();
-
-        // Now build all interior edges using the aggregated links.
-        ArrayNode edgesNode = mapper.createArrayNode();
-        for (AggLink lr : linkRecords.values()) {
-            edgesNode.add(json(mapper, lr.links.size(), lr.link.src(), lr.link.dst()));
-        }
-
-        // Merge the exterior and interior vertexes and inject host links as
-        // the exterior edges.
-        for (Host host : hostService.getHosts()) {
-            Set<IpAddress> ipAddresses = host.ipAddresses();
-            IpAddress ipAddress = ipAddresses.isEmpty() ? null : ipAddresses.iterator().next();
-            String label = ipAddress != null ? ipAddress.toString() : host.mac().toString();
-            vertexesNode.add(json(mapper, host.id(), 3, label, true));
-            edgesNode.add(json(mapper, 1, host.location(), new ConnectPoint(host.id(), portNumber(-1))));
-        }
-
-        // Now put the vertexes and edges into a root node and ship them off
-        ObjectNode rootNode = mapper.createObjectNode();
-        rootNode.set("vertexes", vertexesNode);
-        rootNode.set("edges", edgesNode);
-        return Response.ok(rootNode.toString()).build();
-    }
-
-
-    /**
-     * Returns a JSON array of all paths between the specified hosts.
-     *
-     * @param src source host id
-     * @param dst target host id
-     * @return JSON array of paths
-     */
-    @javax.ws.rs.Path("/paths/{src}/{dst}")
-    @GET
-    @Produces("application/json")
-    public Response paths(@PathParam("src") String src, @PathParam("dst") String dst) {
-        ObjectMapper mapper = new ObjectMapper();
-        PathService pathService = get(PathService.class);
-        Set<Path> paths = pathService.getPaths(elementId(src), elementId(dst));
-
-        ArrayNode pathsNode = mapper.createArrayNode();
-        for (Path path : paths) {
-            pathsNode.add(json(mapper, path));
-        }
-
-        // Now put the vertexes and edges into a root node and ship them off
-        ObjectNode rootNode = mapper.createObjectNode();
-        rootNode.set("paths", pathsNode);
-        return Response.ok(rootNode.toString()).build();
-    }
-
-    // Creates either device ID or host ID as appropriate.
-    private ElementId elementId(String id) {
-        return id.startsWith("nic:") ? hostId(id) : deviceId(id);
-    }
-
-    // Scan all links and counts number of them between the same devices
-    // using a normalized link key.
-    private Map<String, AggLink> aggregateLinks() {
-        Map<String, AggLink> aggLinks = new HashMap<>();
-        LinkService linkService = get(LinkService.class);
-        for (Link link : linkService.getLinks()) {
-            String key = key(link);
-            AggLink lr = aggLinks.get(key);
-            if (lr == null) {
-                lr = new AggLink(key);
-                aggLinks.put(key, lr);
-            }
-            lr.addLink(link);
-        }
-        return aggLinks;
-    }
-
-    // Produces JSON for a graph vertex.
-    private ObjectNode json(ObjectMapper mapper, ElementId id, int group,
-                            String label, boolean isOnline) {
-        return mapper.createObjectNode()
-                .put("name", id.toString())
-                .put("label", label)
-                .put("group", group)
-                .put("online", isOnline);
-    }
-
-    // Produces JSON for a graph edge.
-    private ObjectNode json(ObjectMapper mapper, int count,
-                            ConnectPoint src, ConnectPoint dst) {
-        return json(mapper, count, id(src), id(dst));
-    }
-
-    // Produces JSON for a graph edge.
-    private ObjectNode json(ObjectMapper mapper, int count, String src, String dst) {
-        return mapper.createObjectNode()
-                .put("source", src).put("target", dst).put("value", count);
-    }
-
-    // Produces JSON representation of a network path.
-    private ArrayNode json(ObjectMapper mapper, Path path) {
-        ArrayNode pathNode = mapper.createArrayNode();
-        for (Link link : path.links()) {
-            ObjectNode linkNode = mapper.createObjectNode()
-                    .put("src", id(link.src()))
-                    .put("dst", id(link.dst()));
-            pathNode.add(linkNode);
-        }
-        return pathNode;
-    }
-
-
-    // Aggregate link of all links between the same devices regardless of
-    // their direction.
-    private class AggLink {
-        Link link; // representative links
-
-        final String key;
-        final Set<Link> links = new HashSet<>();
-
-        AggLink(String key) {
-            this.key = key;
-        }
-
-        void addLink(Link link) {
-            links.add(link);
-            if (this.link == null) {
-                this.link = link;
-            }
-        }
-    }
-
-    // Returns a canonical key for the specified link.
-    static String key(Link link) {
-        String s = id(link.src());
-        String d = id(link.dst());
-        return s.compareTo(d) > 0 ? d + s : s + d;
-    }
-
-    // Returns a formatted string for the element associated with the given
-    // connection point.
-    private static String id(ConnectPoint cp) {
-        return cp.elementId().toString();
-    }
-
-}

-/*
- * Copyright 2014 Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/**
- * Sample topology viewer application.
- */
-package org.onosproject.tvue;

-<?xml version="1.0" encoding="UTF-8"?>
-<!--
-  ~ Copyright 2014 Open Networking Laboratory
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee"
-         xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
-         xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
-         id="ONOS" version="2.5">
-    <display-name>ONOS GUI</display-name>
-
-    <welcome-file-list>
-        <welcome-file>index.html</welcome-file>
-    </welcome-file-list>
-
-    <servlet>
-        <servlet-name>JAX-RS Service</servlet-name>
-        <servlet-class>com.sun.jersey.spi.container.servlet.ServletContainer</servlet-class>
-        <init-param>
-            <param-name>com.sun.jersey.config.property.resourceConfigClass</param-name>
-            <param-value>com.sun.jersey.api.core.ClassNamesResourceConfig</param-value>
-        </init-param>
-        <init-param>
-            <!--param-name>com.sun.jersey.config.property.packages</param-name>
-            <param-value>org.onosproject.tvue</param-value-->
-            <param-name>com.sun.jersey.config.property.classnames</param-name>
-            <param-value>org.onosproject.tvue.TopologyResource</param-value>
-        </init-param>
-        <load-on-startup>10</load-on-startup>
-    </servlet>
-
-    <servlet-mapping>
-        <servlet-name>JAX-RS Service</servlet-name>
-        <url-pattern>/rs/*</url-pattern>
-    </servlet-mapping>
-
-</web-app>

-<!DOCTYPE html>
-<!--
-  ~ Copyright 2014 Open Networking Laboratory
-  ~
-  ~ Licensed under the Apache License, Version 2.0 (the "License");
-  ~ you may not use this file except in compliance with the License.
-  ~ You may obtain a copy of the License at
-  ~
-  ~     http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-<html>
-<head>
-    <title>Topology Viewer</title>
-    <script src="libs/d3.v3.min.js"></script>
-    <script src="libs/jquery-1.11.1.min.js"></script>
-    <style>
-        .link {
-        }
-
-        .node {
-            stroke-width: 3px;
-        }
-
-        .textClass {
-            stroke: #323232;
-            font-family: "Lucida Grande", "Droid Sans", Arial, Helvetica, sans-serif;
-            font-weight: normal;
-            stroke-width: .5;
-            font-size: 14px;
-        }
-    </style>
-</head>
-<body>
-    <script>
-        // Adapted from sample code @ ericcoopey’s block #6c602d7cb14b25c179a4
-        // by Thomas Vachuska
-
-        var graph,
-                topo = {vertexes:{}, edges:{}},
-                paths = [],
-                currentPath = 0;
-
-        // Set up the canvas
-        var w = 2048,
-                h = 2048;
-
-        // Allocate colors predictably
-        var color = d3.scale.category10(),
-                deviceColor = color(2),
-                sourceColor = color(0),
-                targetColor = color(1),
-                dummy1Color = color(9),
-                dummy2Color = color(8),
-                dummy3Color = color(7),
-                dummy4Color = color(6),
-                offlineColor = color(5),
-                dummy5Color = color(4),
-                hostColor = color(3);
-
-        var selectedNode,
-                sourceNode,
-                targetNode,
-                pathRequested;
-
-
-        function fillColor(d) {
-            return ((targetNode && targetNode.id == d.id) ? targetColor :
-                    ((sourceNode && sourceNode.id == d.id) ? sourceColor :
-                            d.online ? color(d.group) : offlineColor));
-        }
-
-        function strokeColor(d) {
-            return selectedNode && d.id == selectedNode.id ? "#f00" : "#aaa";
-        }
-
-        function linkColor(d) {
-            if (!paths || paths.length == 0) {
-                return "#666";
-            }
-
-            var path = paths[currentPath];
-            if (path) {
-                for (var i = 0, n = path.length; i < n; i++) {
-                    var link = path[i];
-                    if ((link.src == d.source.id || link.dst == d.source.id) &&
-                            (link.dst == d.target.id || link.src == d.target.id)) {
-                        return "#f00";
-                    }
-                }
-            }
-            return "#666";
-        }
-
-        function linkKey(link) {
-            return link.source.id + "-" + link.target.id;
-
-        };
-
-        function toggleNode(node) {
-            pathRequested = false;
-            return selectedNode && selectedNode != node ? selectedNode : null;
-
-        };
-
-        function refreshPaths() {
-            d3.selectAll("line").attr("stroke", linkColor);
-        }
-
-        function fetchPaths() {
-            if (!pathRequested && sourceNode && targetNode) {
-                pathRequested = true;
-                d3.json("rs/topology/paths/" + sourceNode.id + "/" + targetNode.id, function(error, data) {
-                    currentPath = 0;
-                    paths = data.paths;
-                    refreshPaths();
-                });
-            }
-        }
-
-        function resetSelections() {
-            selectedNode = null;
-            sourceNode = null;
-            targetNode = null;
-            paths = [];
-            currentPath = 0;
-            refreshPaths();
-            d3.selectAll(".nodeStrokeClass").attr("stroke", strokeColor);
-        }
-
-        function nextPath() {
-            currentPath = paths && currentPath < paths.length - 1 ? currentPath + 1 : 0
-            console.log("Showing path: " + currentPath);
-            refreshPaths();
-        }
-
-        function dblclick(d) {
-            d3.select(this).classed("fixed", d.fixed = false);
-        }
-
-        function dragstart(d) {
-            // d3.select(this).classed("fixed", d.fixed = true);
-        }
-
-
-        function topoGraph() {
-            // Add and remove elements on the graph object
-            this.addNode = function (vertex, stamp) {
-                var node = topo.vertexes[vertex.name];
-                if (node) {
-                    var oldState = node.online;
-                    node.online = vertex.online;
-                    node.stamp = stamp;
-                    if (oldState != node.online) {
-                        update();
-                        return true;
-                    }
-                    return false;
-                }
-                node = {"id": vertex.name, "label": vertex.label,
-                    "group": vertex.group, "online": vertex.online, "stamp": stamp};
-                nodes.push(node);
-                topo.vertexes[vertex.name] = node;
-                update();
-                return true;
-            };
-
-            this.addLink = function (edge, stamp) {
-                var key = edge.source + "-" + edge.target;
-                var link = topo.edges[key];
-                if (link) {
-                    var oldValue = link.value;
-                    link.value = edge.value;
-                    link.stamp = stamp;
-                    if (oldValue != link.value) {
-                        update();
-                        return true;
-                    }
-                    return false;
-                }
-                link = {"source": findNode(edge.source), "target": findNode(edge.target),
-                        "value": edge.value, "stamp": stamp};
-                links.push(link);
-                topo.edges[key] = link;
-                update();
-                return true;
-            };
-
-            this.prune = function (stamp) {
-                var linksChanged = pruneArray(links, stamp, topo.edges, linkKey);
-                var nodesChanged = pruneArray(nodes, stamp, topo.vertexes,
-                        function(node) { return node.id; });
-                if (linksChanged || nodesChanged) {
-                    update();
-                    return true;
-                }
-                return false;
-            };
-
-            var pruneArray = function(array, stamp, map, key) {
-                var changed = false;
-                for (var i = 0; i < array.length; i++) {
-                    if (array[i].stamp < stamp) {
-                        changed = true;
-                        map[key(array[i])] = null;
-                        array.splice(i, 1);
-                        i--;
-                    }
-                }
-                return changed;
-            };
-
-            var findNode = function (id) {
-                for (var i in nodes) {
-                    if (nodes[i]["id"] === id) return nodes[i];
-                }
-            };
-
-            var force = d3.layout.force();
-
-            var drag = force.drag()
-                    .on("dragstart", dragstart);
-
-            var nodes = force.nodes(),
-                    links = force.links();
-
-            var vis = d3.select("body")
-                    .append("svg:svg")
-                    .attr("width", w)
-                    .attr("height", h)
-                    .attr("id", "svg")
-                    .attr("pointer-events", "all")
-                    .attr("viewBox", "0 0 " + w + " " + h)
-                    .attr("perserveAspectRatio", "xMinYMid")
-                    .append('svg:g');
-
-            d3.select("body")
-                    .on("keydown", function(d) {
-                        console.log(d3.event.keyCode);
-                        if (d3.event.keyCode == 27) {
-                            resetSelections();
-                        } else if (d3.event.keyCode == 83) {
-                            sourceNode = toggleNode(sourceNode);
-                        } else if (d3.event.keyCode == 68) {
-                            targetNode = toggleNode(targetNode);
-                        } else if (d3.event.keyCode == 65) {
-                            var aux = sourceNode;
-                            sourceNode = targetNode;
-                            targetNode = aux;
-                        } else if (d3.event.keyCode == 70) {
-                            nextPath();
-                        } else if (d3.event.keyCode == 67 && selectedNode) {
-                            selectedNode.fixed = !selectedNode.fixed;
-                        }
-
-                        d3.selectAll(".nodeStrokeClass").attr("fill", fillColor);
-                        fetchPaths();
-                    });
-
-
-            var update = function () {
-                var link = vis.selectAll("line")
-                        .data(links, linkKey);
-
-                link.enter().append("line")
-                        .attr("id", linkKey)
-                        .attr("class", "link")
-                        .attr("stroke-width", function (d) { return d.value; })
-                        .attr("stroke", linkColor);
-                link.append("title").text(function (d) { return d.id; });
-                link.exit().remove();
-
-                var node = vis.selectAll("g.node")
-                        .data(nodes, function (d) { return d.id; })
-                        .on("click", function(d) {
-                            selectedNode = d;
-                            d3.selectAll(".nodeStrokeClass").attr("stroke", strokeColor);
-                        });
-
-                var nodeEnter = node.enter().append("g")
-                        .attr("class", "node")
-                        .on("dblclick", dblclick)
-                        .call(force.drag);
-
-                nodeEnter.append("svg:circle")
-                        .attr("r", function(d) { return 28 / 2; })
-                        .attr("id", function (d) { return "n-" + d.id.replace(/[.:]/g, ""); })
-                        .attr("class", "nodeStrokeClass")
-                        .attr("fill", fillColor)
-                        .attr("stroke", strokeColor);
-
-                nodeEnter.append("image")
-                        .attr("xlink:href", function(d) { return d.group == 2 ? "images/switch.png" : "images/server.png"; })
-                        .attr("x", -12)
-                        .attr("y", -12)
-                        .attr("width", 24)
-                        .attr("height", 24);
-
-                nodeEnter.append("svg:text")
-                        .attr("class", "textClass")
-                        .attr("x", 20)
-                        .attr("y", ".31em")
-                        .text(function (d) { return d.label; });
-
-                node.exit().remove();
-
-                d3.selectAll("nodeStrokeClass").attr("stroke", strokeColor);
-
-                force.on("tick", function () {
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