/*
* Copyright (c) 2011,2013 Big Switch Networks, Inc.
*
* Licensed under the Eclipse Public License, Version 1.0 (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.eclipse.org/legal/epl-v10.html
*
* 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.
*
* This file incorporates work covered by the following copyright and
* permission notice:
*
* Originally created by David Erickson, Stanford University
*
* 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.sdnplatform.topology.web;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import org.openflow.util.HexString;
import org.restlet.data.Form;
import org.restlet.resource.Get;
import org.restlet.resource.ServerResource;
import org.sdnplatform.core.IControllerService;
import org.sdnplatform.core.IOFSwitch;
import org.sdnplatform.topology.ITopologyService;
/**
* Returns a JSON map of <ClusterId, List<SwitchDpids>>
*/
public class SwitchClustersResource extends ServerResource {
@Get("json")
public Map<String, List<String>> retrieve() {
IControllerService controllerProvider =
(IControllerService)getContext().getAttributes().
get(IControllerService.class.getCanonicalName());
ITopologyService topology =
(ITopologyService)getContext().getAttributes().
get(ITopologyService.class.getCanonicalName());
Form form = getQuery();
String queryType = form.getFirstValue("type", true);
boolean openflowDomain = true;
if (queryType != null && "l2".equals(queryType)) {
openflowDomain = false;
}
Map<String, List<String>> switchClusterMap = new HashMap<String, List<String>>();
for (Entry<Long, IOFSwitch> entry : controllerProvider.getSwitches().entrySet()) {
Long clusterDpid =
(openflowDomain
? topology.getOpenflowDomainId(entry.getValue().getId())
:topology.getL2DomainId(entry.getValue().getId()));
List<String> switchesInCluster = switchClusterMap.get(HexString.toHexString(clusterDpid));
if (switchesInCluster != null) {
switchesInCluster.add(HexString.toHexString(entry.getKey()));
} else {
List<String> l = new ArrayList<String>();
l.add(HexString.toHexString(entry.getKey()));
switchClusterMap.put(HexString.toHexString(clusterDpid), l);
}
}
return switchClusterMap;
}
}