Adding mfwd, igmp and mfwd apps

Change-Id: Ie7187716db36b754e4cd687a8f9de004e27c7825

adding mfwd, pim, igmp apps

Change-Id: Iddd2dcee24dc905d5ff0efe1d1d798fc83a7c736
diff --git a/apps/mfwd/src/main/java/org/onosproject/mfwd/cli/McastJoinCommand.java b/apps/mfwd/src/main/java/org/onosproject/mfwd/cli/McastJoinCommand.java
new file mode 100644
index 0000000..5172691
--- /dev/null
+++ b/apps/mfwd/src/main/java/org/onosproject/mfwd/cli/McastJoinCommand.java
@@ -0,0 +1,97 @@
+/*

+ * 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.karaf.shell.commands.Argument;

+import org.apache.karaf.shell.commands.Command;

+import org.onlab.packet.IpPrefix;

+import org.onosproject.cli.AbstractShellCommand;

+

+import org.onosproject.mfwd.impl.McastRouteBase;

+import org.onosproject.mfwd.impl.McastRouteTable;

+

+/**

+ * Installs a source, multicast group flow.

+ */

+@Command(scope = "onos", name = "mcast-join",

+         description = "Installs a source, multicast group flow")

+public class McastJoinCommand extends AbstractShellCommand {

+

+    @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 and Egress ports",

+            required = false, multiValued = false)

+    String ingressPort = null;

+

+    @Argument(index = 3, name = "ports",

+              description = "Ingress port and Egress ports",

+              required = false, multiValued = true)

+    String[] ports = null;

+

+    @Override

+    protected void execute() {

+        McastRouteTable mrib = McastRouteTable.getInstance();

+        IpPrefix mcast = IpPrefix.valueOf("224.0.0.0/4");

+        IpPrefix saddr = IpPrefix.valueOf(sAddr);

+        if (mcast.contains(saddr)) {

+            print("Error: the source address " + sAddr + " must be an IPv4 unicast address");

+            return;

+        }

+

+        IpPrefix gaddr = IpPrefix.valueOf(gAddr);

+        if (!mcast.contains(gaddr)) {

+            print("Error: " + gAddr + " must be a multicast group address");

+            return;

+        }

+

+        McastRouteBase mr = mrib.addRoute(sAddr, gAddr);

+        if (mr == null) {

+            print("Error: unable to save the multicast state");

+            return;

+        }

+

+        // Port format "of:0000000000000023/4"

+        if (ingressPort != null) {

+            String inCP = ingressPort;

+            log.debug("Ingress port provided: " + inCP);

+            String [] cp = inCP.split("/");

+            mr.addIngressPoint(cp[0], Long.parseLong(cp[1]));

+        } else {

+            return;

+        }

+

+        if (ports == null) {

+            return;

+        }

+

+        for (int i = 0; i < ports.length; i++) {

+            String egCP = ports[i];

+            log.debug("Egress port provided: " + egCP);

+            String [] cp = egCP.split("/");

+            mr.addEgressPoint(cp[0], Long.parseLong(cp[1]));

+        }

+        print("Added the mcast route");

+    }

+}