ONOS-2740,ONOS-2741,from ONOS-3032 - to ONOS 3071 , OSPF Protocol Implementation
Change-Id: I86db4dd46d29f636e33494a2a4d0c3be4f373f89
diff --git a/protocols/ospf/ctl/src/main/java/org/onosproject/ospf/controller/impl/OspfMessageEncoder.java b/protocols/ospf/ctl/src/main/java/org/onosproject/ospf/controller/impl/OspfMessageEncoder.java
new file mode 100755
index 0000000..0a2ea99
--- /dev/null
+++ b/protocols/ospf/ctl/src/main/java/org/onosproject/ospf/controller/impl/OspfMessageEncoder.java
@@ -0,0 +1,78 @@
+/*
+ * Copyright 2016 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.ospf.controller.impl;
+
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.jboss.netty.channel.Channel;
+import org.jboss.netty.channel.ChannelHandlerContext;
+import org.jboss.netty.handler.codec.oneone.OneToOneEncoder;
+import org.onosproject.ospf.controller.OspfInterface;
+import org.onosproject.ospf.controller.area.OspfInterfaceImpl;
+import org.onosproject.ospf.protocol.ospfpacket.OspfMessage;
+import org.onosproject.ospf.protocol.ospfpacket.OspfMessageWriter;
+import org.onosproject.ospf.protocol.util.OspfInterfaceState;
+import org.onosproject.ospf.protocol.util.OspfUtil;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Encodes an OSPF message for output into a ChannelBuffer, for use in a netty pipeline.
+ */
+public class OspfMessageEncoder extends OneToOneEncoder {
+
+ private static final Logger log = LoggerFactory.getLogger(OspfMessageEncoder.class);
+ private OspfInterface ospfInterface;
+
+
+ /**
+ * Constructor.
+ */
+ OspfMessageEncoder() {
+ }
+
+ /**
+ * Constructor to initialize instance.
+ */
+ OspfMessageEncoder(OspfInterface ospfInterface) {
+ this.ospfInterface = ospfInterface;
+ }
+
+ @Override
+ protected Object encode(ChannelHandlerContext ctx, Channel channel, Object msg) throws Exception {
+
+ log.debug("Encoding ospfMessage...!!!");
+ if (!(msg instanceof OspfMessage)) {
+ log.debug("Invalid msg.");
+ return msg;
+ }
+
+ OspfMessage ospfMessage = (OspfMessage) msg;
+ OspfMessageWriter messageWriter = new OspfMessageWriter();
+ if (((OspfInterfaceImpl) ospfInterface).state().equals(OspfInterfaceState.POINT2POINT)) {
+ ospfMessage.setDestinationIp(OspfUtil.ALL_SPF_ROUTERS);
+ }
+ ChannelBuffer buf = messageWriter.writeToBuffer(ospfMessage,
+ ((OspfInterfaceImpl) ospfInterface).state().value(),
+ ospfInterface.interfaceType());
+ log.info("OspfMessageEncoder sending packet of lenght {}", buf.readableBytes());
+ log.debug("OspfMessageEncoder sending packet of lenght {}", buf.readableBytes());
+ log.debug("Sending {} Message to {}, Length :: {}, <=> {}", ospfMessage.ospfMessageType(),
+ ospfMessage.destinationIp(), buf.readableBytes(), buf.array());
+
+ return buf;
+ }
+}
\ No newline at end of file