AllocationsCommand.java
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/*
* 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.cli.net;
import static org.onosproject.net.DeviceId.deviceId;
import java.util.Collection;
import java.util.stream.StreamSupport;
import org.apache.karaf.shell.commands.Argument;
import org.apache.karaf.shell.commands.Command;
import org.apache.karaf.shell.commands.Option;
import org.onosproject.cli.AbstractShellCommand;
import org.onosproject.net.Device;
import org.onosproject.net.DeviceId;
import org.onosproject.net.OchSignal;
import org.onosproject.net.Port;
import org.onosproject.net.PortNumber;
import org.onosproject.net.device.DeviceService;
import org.onosproject.net.newresource.ResourceAllocation;
import org.onosproject.net.newresource.ResourcePath;
import org.onosproject.net.newresource.ResourceService;
import com.google.common.base.Strings;
/**
* Lists allocated resources.
*/
@Command(scope = "onos", name = "allocations",
description = "Lists allocated resources")
public class AllocationsCommand extends AbstractShellCommand {
// TODO add other resource types
@Option(name = "-l", aliases = "--lambda", description = "Lambda Resource",
required = false, multiValued = false)
private boolean lambda = true;
@Argument(index = 0, name = "deviceIdString", description = "Device ID",
required = false, multiValued = false)
String deviceIdStr = null;
@Argument(index = 1, name = "portNumberString", description = "PortNumber",
required = false, multiValued = false)
String portNumberStr = null;
private DeviceService deviceService;
private ResourceService resourceService;
@Override
protected void execute() {
deviceService = get(DeviceService.class);
resourceService = get(ResourceService.class);
if (deviceIdStr != null && portNumberStr != null) {
DeviceId deviceId = deviceId(deviceIdStr);
PortNumber portNumber = PortNumber.fromString(portNumberStr);
printAllocation(deviceId, portNumber, 0);
} else if (deviceIdStr != null) {
DeviceId deviceId = deviceId(deviceIdStr);
printAllocation(deviceId, 0);
} else {
printAllocation();
}
}
private void printAllocation() {
print("ROOT");
StreamSupport.stream(deviceService.getAvailableDevices().spliterator(), false)
.map(Device::id)
.forEach(did -> printAllocation(did, 1));
}
private void printAllocation(DeviceId did, int level) {
print("%s%s", Strings.repeat(" ", level), did);
StreamSupport.stream(deviceService.getPorts(did).spliterator(), false)
.map(Port::number)
.forEach(num -> printAllocation(did, num, level + 1));
}
private void printAllocation(DeviceId did, PortNumber num, int level) {
if (level == 0) {
// print DeviceId when Port was directly specified.
print("%s", did);
}
print("%s%s", Strings.repeat(" ", level), asVerboseString(num));
// TODO: Current design cannot deal with sub-resources
// (e.g., TX/RX under Port)
ResourcePath path = ResourcePath.discrete(did, num);
if (lambda) {
//print("Lambda resources:");
Collection<ResourceAllocation> allocations
= resourceService.getResourceAllocations(path, OchSignal.class);
for (ResourceAllocation a : allocations) {
print("%s%s allocated by %s", Strings.repeat(" ", level + 1),
a.resource().last(), asVerboseString(a.consumer()));
}
}
}
/**
* Add type name if the toString does not start with them.
*
* e.g., IntentId#toString result in "42"
* asVerboseString(id) will result in "IntentId:42"
*
* @param obj non-null Object to print.
* @return verbose String representation
*/
private static String asVerboseString(Object obj) {
String name = obj.getClass().getSimpleName();
String toString = String.valueOf(obj);
if (toString.startsWith(name)) {
return toString;
} else {
return String.format("%s:%s", name, toString);
}
}
}