/*
 * Copyright 2014-2015 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.cli;

import org.apache.felix.scr.annotations.Reference;
import org.apache.felix.scr.annotations.ReferenceCardinality;
import org.apache.karaf.shell.commands.Argument;
import org.apache.karaf.shell.commands.Command;
import org.onosproject.cli.AbstractShellCommand;
import org.onosproject.mfwd.impl.McastForwarding;
import org.onosproject.net.ConnectPoint;
import org.onosproject.net.mcast.McastRoute;
import org.onosproject.net.mcast.MulticastRouteService;

/**
 * Installs a source, multicast group flow.
 */
@Command(scope = "onos", name = "mcast-join",
         description = "Installs a source, multicast group flow")
public class McastJoinCommand extends AbstractShellCommand {

    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
    MulticastRouteService mcastRouteManager = AbstractShellCommand.get(MulticastRouteService.class);

    @Argument(index = 0, name = "sAddr",
              description = "IP Address of the multicast source. '*' can be used for any source (*, G) entry",
              required = true, multiValued = false)
    String sAddr = null;

    @Argument(index = 1, name = "gAddr",
              description = "IP Address of the multicast group",
              required = true, multiValued = false)
    String gAddr = null;

    @Argument(index = 2, name = "ingressPort",
            description = "Ingress port of:XXXXXXXXXX/XX",
            required = false, multiValued = false)
    String ingressPort = null;

    @Argument(index = 3, name = "ports",
              description = "Egress ports of:XXXXXXXXXX/XX...",
              required = false, multiValued = true)
    String[] ports = null;

    @Override
    protected void execute() {

        McastRoute mRoute = McastForwarding.createStaticRoute(sAddr, gAddr);
        mcastRouteManager.add(mRoute);

        ConnectPoint ingress = ConnectPoint.deviceConnectPoint(ingressPort);
        mcastRouteManager.addSource(mRoute, ingress);

        for (String egCP : ports) {
            log.debug("Egress port provided: " + egCP);
            ConnectPoint egress = ConnectPoint.deviceConnectPoint(egCP);
            mcastRouteManager.addSink(mRoute, egress);

        }
        print("Added the mcast route");
    }
}