| /* |
| * Copyright 2017-present Open Networking Foundation |
| * |
| * 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.artemis.impl.moas; |
| |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import com.google.common.annotations.Beta; |
| import io.netty.buffer.ByteBuf; |
| import io.netty.channel.ChannelHandler.Sharable; |
| import io.netty.channel.ChannelHandlerContext; |
| import io.netty.channel.ChannelInboundHandlerAdapter; |
| import org.onlab.packet.IpAddress; |
| import org.onosproject.artemis.impl.objects.ArtemisMessage; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.io.IOException; |
| import java.net.InetSocketAddress; |
| import java.net.SocketAddress; |
| |
| /** |
| * MOAS Server channel handler. |
| */ |
| @Sharable |
| @Beta |
| public class MoasServerHandler extends ChannelInboundHandlerAdapter { |
| |
| private static final Logger log = |
| LoggerFactory.getLogger(MoasServerHandler.class); |
| |
| private MoasServerController controller; |
| |
| MoasServerHandler(MoasServerController controller) { |
| this.controller = controller; |
| } |
| |
| @Override |
| public void channelActive(ChannelHandlerContext ctx) throws Exception { |
| final SocketAddress address = ctx.channel().remoteAddress(); |
| if (!(address instanceof InetSocketAddress)) { |
| log.warn("Invalid client connection. MOAS is identified based on IP"); |
| ctx.close(); |
| return; |
| } |
| |
| final InetSocketAddress inetAddress = (InetSocketAddress) address; |
| final String host = inetAddress.getHostString(); |
| log.info("New client connected to the Server: {}", host); |
| |
| controller.deviceAgent.addMoas(IpAddress.valueOf(host), ctx); |
| } |
| |
| @Override |
| public void channelRead(ChannelHandlerContext ctx, Object msg) throws IOException { |
| ByteBuf in = (ByteBuf) msg; |
| String strMsg = in.toString(io.netty.util.CharsetUtil.US_ASCII); |
| |
| ObjectMapper mapper = new ObjectMapper(); |
| ArtemisMessage actObj = mapper.readValue(strMsg, ArtemisMessage.class); |
| |
| controller.packetAgent.processMoasPacket(actObj, ctx); |
| } |
| |
| @Override |
| public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) { |
| log.error("exceptionCaught()", cause); |
| ctx.close(); |
| } |
| |
| } |