SummaryCommand.java
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/*
* Copyright 2014-present 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;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.apache.karaf.shell.commands.Command;
import org.onlab.packet.IpAddress;
import org.onosproject.cluster.ClusterService;
import org.onosproject.cluster.ControllerNode;
import org.onosproject.core.CoreService;
import org.onosproject.core.Version;
import org.onosproject.net.device.DeviceService;
import org.onosproject.net.flow.FlowRuleService;
import org.onosproject.net.host.HostService;
import org.onosproject.net.intent.IntentService;
import org.onosproject.net.link.LinkService;
import org.onosproject.net.topology.TopologyService;
import java.util.Set;
/**
* Provides summary of ONOS model.
*/
@Command(scope = "onos", name = "summary",
description = "Provides summary of ONOS model")
public class SummaryCommand extends AbstractShellCommand {
/**
* Count the active ONOS controller nodes.
*
* @param nodes set of all of the controller nodes in the cluster
* @return count of active nodes
*/
private long activeNodes(Set<ControllerNode> nodes) {
ClusterService clusterService = get(ClusterService.class);
return nodes.stream()
.map(node -> clusterService.getState(node.id()))
.filter(nodeState -> nodeState.isActive())
.count();
}
@Override
protected void execute() {
IpAddress nodeIp = get(ClusterService.class).getLocalNode().ip();
Version version = get(CoreService.class).version();
long numNodes = activeNodes(get(ClusterService.class).getNodes());
int numDevices = get(DeviceService.class).getDeviceCount();
int numLinks = get(LinkService.class).getLinkCount();
int numHosts = get(HostService.class).getHostCount();
int numScc = get(TopologyService.class).currentTopology().clusterCount();
int numFlows = get(FlowRuleService.class).getFlowRuleCount();
long numIntents = get(IntentService.class).getIntentCount();
if (outputJson()) {
print("%s", new ObjectMapper().createObjectNode()
.put("node", nodeIp.toString())
.put("version", version.toString())
.put("nodes", numNodes)
.put("devices", numDevices)
.put("links", numLinks)
.put("hosts", numHosts)
.put("SCC(s)", numScc)
.put("flows", numFlows)
.put("intents", numIntents));
} else {
print("node=%s, version=%s", nodeIp, version);
print("nodes=%d, devices=%d, links=%d, hosts=%d, SCC(s)=%s, flows=%d, intents=%d",
numNodes, numDevices, numLinks, numHosts, numScc, numFlows, numIntents);
}
}
}