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/impl/McastRoute.java b/apps/mfwd/src/main/java/org/onosproject/mfwd/impl/McastRoute.java
new file mode 100644
index 0000000..d56488e
--- /dev/null
+++ b/apps/mfwd/src/main/java/org/onosproject/mfwd/impl/McastRoute.java
@@ -0,0 +1,146 @@
+/*
+ * 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.impl;
+
+import org.onlab.packet.IpPrefix;
+import org.onosproject.net.ConnectPoint;
+import org.onosproject.net.intent.Key;
+import org.onosproject.net.intent.SinglePointToMultiPointIntent;
+
+import java.util.Set;
+
+/**
+ * This McastRouteBase interface is implemented by the McastRouteBase class which
+ * in turn acts as the base class for both the McastRouteGroup and McastRouteSource.
+ */
+interface McastRoute {
+
+    /**
+     * Gets the group addresses.
+     *
+     * @return group address
+     */
+    public IpPrefix getGaddr();
+
+    /**
+     * Gets the source address.
+     *
+     * @return the source address
+     */
+    public IpPrefix getSaddr();
+
+    /**
+     * Determines if this is an IPv4 multicast route.
+     *
+     * @return true if it is an IPv4 route
+     */
+    public boolean isIp4();
+
+    /**
+     * Determines if this is an IPv6 multicast route.
+     *
+     * @return true if it is an IPv6 route
+     */
+    public boolean isIp6();
+
+    /**
+     * Add the ingress ConnectPoint with a ConnectPoint.
+     *
+     * @param ingress ingress point
+     */
+    public void addIngressPoint(ConnectPoint ingress);
+
+    /**
+     * Add the ingress Connect Point using. ..
+     *
+     * @param deviceId device ID
+     * @param portNum port number
+     */
+    public void addIngressPoint(String deviceId, long portNum);
+
+    /**
+     * Get the ingress connect point.
+     *
+     * @return the ingress connect point
+     */
+    public ConnectPoint getIngressPoint();
+
+    /**
+     * Add an egress connect point.
+     *
+     * @param member the egress ConnectPoint to be added
+     */
+    public void addEgressPoint(ConnectPoint member);
+
+    /**
+     * Add an egress connect point.
+     *
+     * @param deviceId the device ID of the connect point
+     * @param portNum the port number of the connect point
+     */
+    public void addEgressPoint(String deviceId, long portNum);
+
+    /**
+     * Get the egress connect points.
+     *
+     * @return a set of egress connect points
+     */
+    public Set<ConnectPoint> getEgressPoints();
+
+    /**
+     * Increment the punt count.
+     */
+    public void incrementPuntCount();
+
+    /**
+     * Get the punt count.
+     *
+     * @return the punt count
+     */
+    public int getPuntCount();
+
+    /**
+     * Have the McastIntentManager create an intent, attempt to
+     * install the intent and then save the key.
+     */
+    public void setIntent();
+
+    /**
+     * Set the Intent key.
+     *
+     * @param intent intent
+     */
+    public void setIntent(SinglePointToMultiPointIntent intent);
+
+    /**
+     * Withdraw the intent if it has been installed.
+     */
+    public void withdrawIntent();
+
+    /**
+     * Get the intent key.
+     *
+     * @return the intentKey
+     */
+    public Key getIntentKey();
+
+    /**
+     * Pretty print the the route.
+     *
+     * @return a pretty string
+     */
+    public String toString();
+}
\ No newline at end of file