diff options
Diffstat (limited to 'framework/src/onos/protocols/bgp/ctl/src/main/java/org/onosproject/bgp/controller/impl/BgpMessageDecoder.java')
-rwxr-xr-x | framework/src/onos/protocols/bgp/ctl/src/main/java/org/onosproject/bgp/controller/impl/BgpMessageDecoder.java | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/framework/src/onos/protocols/bgp/ctl/src/main/java/org/onosproject/bgp/controller/impl/BgpMessageDecoder.java b/framework/src/onos/protocols/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/protocols/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 |