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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.Link;
import org.onosproject.net.link.LinkService;
import org.onosproject.net.resource.link.LinkResourceService;
import org.onosproject.net.resource.ResourceRequest;
/**
* Lists allocations by link.
*/
@Command(scope = "onos", name = "resource-available",
description = "Lists available resources by link")
public class ResourceAvailableCommand extends AbstractShellCommand {
private static final String FMT = "src=%s/%s, dst=%s/%s, type=%s%s";
private static final String COMPACT = "%s/%s-%s/%s";
@Argument(index = 0, name = "srcString", description = "Link source",
required = false, multiValued = false)
String srcString = null;
@Argument(index = 1, name = "dstString", description = "Link destination",
required = false, multiValued = false)
String dstString = null;
@Override
protected void execute() {
LinkResourceService resourceService = get(LinkResourceService.class);
LinkService linkService = get(LinkService.class);
Iterable<ResourceRequest> itr = null;
try {
ConnectPoint src = ConnectPoint.deviceConnectPoint(srcString);
ConnectPoint dst = ConnectPoint.deviceConnectPoint(dstString);
Link link = linkService.getLink(src, dst);
itr = resourceService.getAvailableResources(link);
int lambdaCount = 0;
for (ResourceRequest req : itr) {
switch (req.type()) {
case LAMBDA:
lambdaCount++;
break;
case BANDWIDTH:
print("%s", req);
break;
default:
break;
}
}
if (lambdaCount > 0) {
print("Number of available lambdas: %d", lambdaCount);
}
} catch (Exception e) {
print("Invalid link %s", e.getMessage());
}
}
}
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