| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.onlab.onos.openflow.controller.impl; |
| |
| import java.util.List; |
| |
| import org.jboss.netty.buffer.ChannelBuffer; |
| import org.jboss.netty.buffer.ChannelBuffers; |
| import org.jboss.netty.channel.Channel; |
| import org.jboss.netty.channel.ChannelHandlerContext; |
| import org.jboss.netty.handler.codec.oneone.OneToOneEncoder; |
| import org.projectfloodlight.openflow.protocol.OFMessage; |
| |
| |
| /** |
| * Encode an openflow message for output into a ChannelBuffer, for use in a |
| * netty pipeline. |
| */ |
| public class OFMessageEncoder extends OneToOneEncoder { |
| |
| @Override |
| protected Object encode(ChannelHandlerContext ctx, Channel channel, |
| Object msg) throws Exception { |
| if (!(msg instanceof List)) { |
| return msg; |
| } |
| |
| @SuppressWarnings("unchecked") |
| List<OFMessage> msglist = (List<OFMessage>) msg; |
| /* XXX S can't get length of OFMessage in loxigen's openflowj?? |
| int size = 0; |
| for (OFMessage ofm : msglist) { |
| size += ofm.getLengthU(); |
| }*/ |
| |
| ChannelBuffer buf = ChannelBuffers.dynamicBuffer(); |
| |
| for (OFMessage ofm : msglist) { |
| ofm.writeTo(buf); |
| } |
| return buf; |
| } |
| |
| } |