1 files changed, 60 insertions, 0 deletions
diff --git a/framework/src/onos/bgp/ctl/src/main/java/org/onosproject/bgp/controller/impl/BgpMessageDecoder.java b/framework/src/onos/bgp/ctl/src/main/java/org/onosproject/bgp/controller/impl/BgpMessageDecoder.java
new file mode 100755
index 00000000..431c6210
--- /dev/null
+++ b/framework/src/onos/bgp/ctl/src/main/java/org/onosproject/bgp/controller/impl/BgpMessageDecoder.java
@@ -0,0 +1,60 @@
+/*
+ * 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.bgp.controller.impl;
+
+import java.util.LinkedList;
+import java.util.List;
+
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.jboss.netty.channel.Channel;
+import org.jboss.netty.channel.ChannelHandlerContext;
+import org.jboss.netty.handler.codec.frame.FrameDecoder;
+import org.onosproject.bgpio.protocol.BgpMessage;
+import org.onlab.util.HexDump;
+import org.onosproject.bgpio.protocol.BgpFactories;
+import org.onosproject.bgpio.protocol.BgpMessageReader;
+import org.onosproject.bgpio.types.BgpHeader;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Decode an bgp message from a Channel, for use in a netty pipeline.
+ */
+public class BgpMessageDecoder extends FrameDecoder {
+
+    protected static final Logger log = LoggerFactory.getLogger(BgpMessageDecoder.class);
+
+    @Override
+    protected Object decode(ChannelHandlerContext ctx, Channel channel, ChannelBuffer buffer) throws Exception {
+        log.debug("MESSAGE IS RECEIVED.");
+        if (!channel.isConnected()) {
+            log.info("Channel is not connected.");
+            return null;
+        }
+
+        HexDump.dump(buffer);
+
+        BgpMessageReader<BgpMessage> reader = BgpFactories.getGenericReader();
+        List<BgpMessage> msgList = new LinkedList<BgpMessage>();
+
+        while (buffer.readableBytes() > 0) {
+            BgpHeader bgpHeader = new BgpHeader();
+            BgpMessage message = reader.readFrom(buffer, bgpHeader);
+            msgList.add(message);
+        }
+        return msgList;
+    }
+}
+\ No newline at end of file