| /* |
| * Copyright 2016-present 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.lisp.ctl.impl; |
| |
| |
| import io.netty.buffer.ByteBuf; |
| import io.netty.buffer.Unpooled; |
| import io.netty.channel.ChannelHandlerContext; |
| import io.netty.channel.socket.DatagramPacket; |
| import io.netty.handler.codec.MessageToMessageEncoder; |
| import org.onosproject.lisp.msg.protocols.LispMessage; |
| |
| import java.util.List; |
| |
| /** |
| * Encode a LISP message for output into a ByteBuffer, |
| * for use in a netty pipeline. |
| */ |
| public class LispMessageEncoder extends MessageToMessageEncoder { |
| |
| @Override |
| protected void encode(ChannelHandlerContext ctx, Object msg, List out) throws Exception { |
| if (!(msg instanceof List)) { |
| ByteBuf byteBuf = Unpooled.buffer(); |
| ((LispMessage) msg).writeTo(byteBuf); |
| out.add(new DatagramPacket(byteBuf, ((LispMessage) msg).getSender())); |
| return; |
| } |
| |
| List<LispMessage> msgList = (List<LispMessage>) msg; |
| |
| for (LispMessage message : msgList) { |
| if (message != null) { |
| ByteBuf byteBuf = Unpooled.buffer(); |
| message.writeTo(byteBuf); |
| out.add(new DatagramPacket(byteBuf, message.getSender())); |
| } |
| } |
| } |
| } |