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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.mfwd.rest;
import java.io.IOException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.node.ObjectNode;
import javax.ws.rs.DefaultValue;
import javax.ws.rs.QueryParam;
import javax.ws.rs.Consumes;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.DELETE;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import org.onosproject.mfwd.impl.McastConnectPoint;
import org.onosproject.mfwd.impl.McastRouteTable;
import org.onosproject.mfwd.impl.McastRouteBase;
import org.onosproject.mfwd.impl.MRibCodec;
import org.onosproject.rest.AbstractWebResource;
import org.slf4j.Logger;
import static org.slf4j.LoggerFactory.getLogger;
/**
* Rest API for Multicast Forwarding.
*/
@Path("mcast")
public class McastResource extends AbstractWebResource {
private final Logger log = getLogger(getClass());
private static final String SOURCE_ADDRESS = "sourceAddress";
private static final String GROUP_ADDRESS = "groupAddress";
private static final String INGRESS_POINT = "ingressPoint";
private static final String EGRESS_POINT = "egressPoint";
private static final String MCAST_GROUP = "mcastGroup";
/**
* Retrieve the multicast route table.
*
* @return the multicast route table.
* @throws IOException if an error occurs
*/
@Path("show")
@GET
@Produces(MediaType.APPLICATION_JSON)
public Response showAll() throws IOException {
McastRouteTable mrt = McastRouteTable.getInstance();
ObjectNode pushContent = new MRibCodec().encode(mrt , this);
return ok(pushContent.toString()).build();
}
/**
* Static join a multicast flow.
*
* @param sAddr source address to join
* @param gAddr group address to join
* @param ports ingress and egress ConnectPoints to join
* @return the Result of the join
* @throws IOException if something failed with the join command
*/
@Path("/join")
@POST
@Consumes(MediaType.APPLICATION_JSON)
@Produces(MediaType.TEXT_PLAIN)
public Response join(@QueryParam("src") String sAddr,
@QueryParam("grp") String gAddr,
@DefaultValue("") @QueryParam("ports") String ports)
throws IOException {
ObjectMapper mapper = new ObjectMapper();
log.debug("Source IP Address: " + sAddr);
log.debug("Destination IP Address: " + gAddr);
log.debug("Ingress and Egress ports: " + ports);
String output = "Insertion Faild";
if (sAddr != null && gAddr != null && ports != null) {
String[] portArr = ports.split(",");
log.debug("Port Array Length: " + portArr.length);
McastRouteTable mrt = McastRouteTable.getInstance();
McastRouteBase mr = mrt.addRoute(sAddr, gAddr);
// Port format "of:0000000000000023/4"
log.debug("checking inside outer if: " + portArr.length);
if (mr != null && portArr != null && portArr.length > 0) {
String inCP = portArr[0];
log.debug("Ingress port provided: " + inCP);
mr.addIngressPoint(inCP);
for (int i = 1; i < portArr.length; i++) {
String egCP = portArr[i];
log.debug("Egress port provided: " + egCP);
mr.addEgressPoint(egCP, McastConnectPoint.JoinSource.STATIC);
}
mrt.printMcastRouteTable();
output = "Successfully Inserted";
}
} else {
output = "Please Insert the rest uri correctly";
}
return Response.ok(output).build();
}
/**
* Delete multicast state.
*
* @param src address to be deleted
* @param grp address to be deleted
* @return status of delete if successful
*/
@Path("/delete")
@DELETE
@Consumes(MediaType.TEXT_PLAIN)
@Produces(MediaType.TEXT_PLAIN)
public Response removeMcastFlow(@QueryParam("src") String src,
@QueryParam("grp") String grp) {
String resp = "Failed to delete";
log.info("Source IP Address to delete: " + src);
log.info("Destination IP Address to delete: " + grp);
McastRouteTable mrt = McastRouteTable.getInstance();
if (src != null && grp != null) {
mrt.removeRoute(src, grp);
resp = "Deleted flow for src " + src + " and grp " + grp;
}
return Response.ok(resp).build();
}
}
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