GetStatistics.java
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/*
* 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.cli.net;
import org.apache.karaf.shell.commands.Argument;
import org.apache.karaf.shell.commands.Command;
import org.onosproject.cli.AbstractShellCommand;
import org.onosproject.net.ConnectPoint;
import org.onosproject.net.DeviceId;
import org.onosproject.net.PortNumber;
import org.onosproject.net.statistic.Load;
import org.onosproject.net.statistic.StatisticService;
import static org.onosproject.net.DeviceId.deviceId;
import static org.onosproject.net.PortNumber.portNumber;
/**
* Fetches statistics.
*/
@Command(scope = "onos", name = "get-stats",
description = "Fetches stats for a connection point")
public class GetStatistics extends AbstractShellCommand {
@Argument(index = 0, name = "connectPoint",
description = "Device/Port Description",
required = true, multiValued = false)
String connectPoint = null;
@Override
protected void execute() {
StatisticService service = get(StatisticService.class);
DeviceId ingressDeviceId = deviceId(getDeviceId(connectPoint));
PortNumber ingressPortNumber = portNumber(getPortNumber(connectPoint));
ConnectPoint cp = new ConnectPoint(ingressDeviceId, ingressPortNumber);
Load load = service.load(cp);
print("Load on %s -> %s", cp, load);
}
/**
* Extracts the port number portion of the ConnectPoint.
*
* @param deviceString string representing the device/port
* @return port number as a string, empty string if the port is not found
*/
private String getPortNumber(String deviceString) {
int slash = deviceString.indexOf('/');
if (slash <= 0) {
return "";
}
return deviceString.substring(slash + 1, deviceString.length());
}
/**
* Extracts the device ID portion of the ConnectPoint.
*
* @param deviceString string representing the device/port
* @return device ID string
*/
private String getDeviceId(String deviceString) {
int slash = deviceString.indexOf('/');
if (slash <= 0) {
return "";
}
return deviceString.substring(0, slash);
}
}