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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 com.google.common.collect.Lists;
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.DeviceId;
import org.onosproject.net.Link;
import org.onosproject.net.Path;
import org.onosproject.net.intent.IntentId;
import org.onosproject.net.resource.link.DefaultLinkResourceRequest;
import org.onosproject.net.resource.link.LinkResourceAllocations;
import org.onosproject.net.resource.link.LinkResourceRequest;
import org.onosproject.net.resource.link.LinkResourceService;
import org.onosproject.net.topology.PathService;
import java.util.List;
import java.util.Set;
/**
* Commands to test out LinkResourceManager directly.
*/
@Command(scope = "onos", name = "resource-request",
description = "request or remove resources")
public class LinkResourceTestCommand extends AbstractShellCommand {
// default is bandwidth.
@Option(name = "-m", aliases = "--mpls", description = "MPLS resource",
required = false, multiValued = false)
private boolean isMpls = false;
@Option(name = "-o", aliases = "--optical", description = "Optical resource",
required = false, multiValued = false)
private boolean isOptical = false;
@Option(name = "-d", aliases = "--delete", description = "Delete resource by intent ID",
required = false, multiValued = false)
private boolean remove = false;
@Argument(index = 0, name = "srcString", description = "Link source",
required = true, multiValued = false)
String srcString = null;
@Argument(index = 1, name = "dstString", description = "Link destination",
required = true, multiValued = false)
String dstString = null;
@Argument(index = 2, name = "id", description = "Identifier",
required = true, multiValued = false)
int id;
private LinkResourceService resService;
private PathService pathService;
private static final int BANDWIDTH = 1_000_000;
@Override
protected void execute() {
resService = get(LinkResourceService.class);
pathService = get(PathService.class);
DeviceId src = DeviceId.deviceId(getDeviceId(srcString));
DeviceId dst = DeviceId.deviceId(getDeviceId(dstString));
IntentId intId = IntentId.valueOf(id);
Set<Path> paths = pathService.getPaths(src, dst);
if (paths == null || paths.isEmpty()) {
print("No path between %s and %s", srcString, dstString);
return;
}
if (remove) {
LinkResourceAllocations lra = resService.getAllocations(intId);
resService.releaseResources(lra);
return;
}
for (Path p : paths) {
List<Link> links = p.links();
LinkResourceRequest.Builder request = null;
if (isMpls) {
List<Link> nlinks = Lists.newArrayList();
try {
nlinks.addAll(links.subList(1, links.size() - 2));
request = DefaultLinkResourceRequest.builder(intId, nlinks)
.addMplsRequest();
} catch (IndexOutOfBoundsException e) {
log.warn("could not allocate MPLS path", e);
continue;
}
} else if (isOptical) {
request = DefaultLinkResourceRequest.builder(intId, links)
.addLambdaRequest();
} else {
request = DefaultLinkResourceRequest.builder(intId, links)
.addBandwidthRequest(BANDWIDTH);
}
if (request != null) {
LinkResourceRequest lrr = request.build();
LinkResourceAllocations lra = resService.requestResources(lrr);
if (lra != null) {
break;
}
print("Allocated:\n%s", lra);
} else {
log.info("nothing to request");
}
}
}
public String getDeviceId(String deviceString) {
int slash = deviceString.indexOf('/');
if (slash <= 0) {
return "";
}
return deviceString.substring(0, slash);
}
}
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