/**
* Copyright 2011, Big Switch Networks, Inc.
* 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 net.floodlightcontroller.topology.web;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import net.floodlightcontroller.core.IFloodlightProviderService;
import net.floodlightcontroller.topology.ITopologyService;
import org.openflow.util.HexString;
import org.restlet.data.Form;
import org.restlet.resource.Get;
import org.restlet.resource.ServerResource;
/**
* Returns a JSON map of <ClusterId, List<SwitchDpids>>
*/
public class SwitchClustersResource extends ServerResource {
@Get("json")
public Map<String, List<String>> retrieve() {
IFloodlightProviderService floodlightProvider =
(IFloodlightProviderService)getContext().getAttributes().
get(IFloodlightProviderService.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 (Long dpid: floodlightProvider.getAllSwitchDpids()) {
Long clusterDpid =
(openflowDomain
? topology.getOpenflowDomainId(dpid)
:topology.getL2DomainId(dpid));
List<String> switchesInCluster = switchClusterMap.get(HexString.toHexString(clusterDpid));
if (switchesInCluster != null) {
switchesInCluster.add(HexString.toHexString(dpid));
} else {
List<String> l = new ArrayList<String>();
l.add(HexString.toHexString(dpid));
switchClusterMap.put(HexString.toHexString(clusterDpid), l);
}
}
return switchClusterMap;
}
}