/**
* Copyright 2013, Big Switch Networks, Inc.
*
* 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.List;
import net.floodlightcontroller.routing.IRoutingService;
import net.floodlightcontroller.routing.Route;
import net.floodlightcontroller.topology.NodePortTuple;
import org.openflow.util.HexString;
import org.restlet.resource.Get;
import org.restlet.resource.ServerResource;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class RouteResource extends ServerResource {
protected static Logger log = LoggerFactory.getLogger(RouteResource.class);
@Get("json")
public List<NodePortTuple> retrieve() {
IRoutingService routing =
(IRoutingService)getContext().getAttributes().
get(IRoutingService.class.getCanonicalName());
String srcDpid = (String) getRequestAttributes().get("src-dpid");
String srcPort = (String) getRequestAttributes().get("src-port");
String dstDpid = (String) getRequestAttributes().get("dst-dpid");
String dstPort = (String) getRequestAttributes().get("dst-port");
log.debug( srcDpid + "--" + srcPort + "--" + dstDpid + "--" + dstPort);
long longSrcDpid = HexString.toLong(srcDpid);
short shortSrcPort = Short.parseShort(srcPort);
long longDstDpid = HexString.toLong(dstDpid);
short shortDstPort = Short.parseShort(dstPort);
Route result = routing.getRoute(longSrcDpid, shortSrcPort, longDstDpid, shortDstPort, 0);
if (result!=null) {
return routing.getRoute(longSrcDpid, shortSrcPort, longDstDpid, shortDstPort, 0).getPath();
}
else {
log.debug("ERROR! no route found");
return null;
}
}
}