| /* |
| * 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.apache.camel.component.netty; |
| |
| import io.netty.bootstrap.ServerBootstrap; |
| import io.netty.channel.Channel; |
| import io.netty.channel.ChannelFuture; |
| import io.netty.channel.ChannelHandlerContext; |
| import io.netty.channel.ChannelInitializer; |
| import io.netty.channel.ChannelPipeline; |
| import io.netty.channel.EventLoopGroup; |
| import io.netty.channel.SimpleChannelInboundHandler; |
| import io.netty.channel.nio.NioEventLoopGroup; |
| import io.netty.channel.socket.SocketChannel; |
| import io.netty.channel.socket.nio.NioServerSocketChannel; |
| import io.netty.handler.codec.DelimiterBasedFrameDecoder; |
| import io.netty.handler.codec.Delimiters; |
| import io.netty.handler.codec.string.StringDecoder; |
| import io.netty.handler.codec.string.StringEncoder; |
| import org.apache.camel.Exchange; |
| import org.apache.camel.Processor; |
| import org.apache.camel.builder.RouteBuilder; |
| import org.apache.camel.component.mock.MockEndpoint; |
| import org.junit.Test; |
| |
| public class NettyConsumerClientModeReconnectTest extends BaseNettyTest { |
| |
| private MyServer server; |
| |
| public void startNettyServer() throws Exception { |
| server = new MyServer(getPort()); |
| server.start(); |
| } |
| |
| public void shutdownServer() { |
| if (server != null) { |
| server.shutdown(); |
| } |
| } |
| |
| @Test |
| public void testNettyRouteServerNotStarted() throws Exception { |
| try { |
| MockEndpoint receive = context.getEndpoint("mock:receive", MockEndpoint.class); |
| receive.expectedBodiesReceived("Bye Willem"); |
| |
| log.info(">>> starting Camel route while Netty server is not ready"); |
| context.getRouteController().startRoute("client"); |
| |
| Thread.sleep(500); |
| |
| log.info(">>> starting Netty server"); |
| startNettyServer(); |
| |
| assertMockEndpointsSatisfied(); |
| log.info(">>> routing done"); |
| |
| Thread.sleep(500); |
| } finally { |
| log.info(">>> shutting down Netty server"); |
| shutdownServer(); |
| } |
| } |
| |
| @Override |
| protected RouteBuilder createRouteBuilder() throws Exception { |
| return new RouteBuilder() { |
| @Override |
| public void configure() throws Exception { |
| from("netty:tcp://localhost:{{port}}?textline=true&clientMode=true&reconnect=true&reconnectInterval=200").id("client") |
| .process(new Processor() { |
| public void process(final Exchange exchange) { |
| log.info("Processing exchange in Netty server {}", exchange); |
| String body = exchange.getIn().getBody(String.class); |
| exchange.getOut().setBody("Bye " + body); |
| } |
| }).to("log:receive").to("mock:receive").noAutoStartup(); |
| } |
| }; |
| } |
| |
| private static class MyServer { |
| private int port; |
| private ServerBootstrap bootstrap; |
| private Channel channel; |
| private EventLoopGroup bossGroup; |
| private EventLoopGroup workerGroup; |
| |
| MyServer(int port) { |
| this.port = port; |
| } |
| |
| public void start() throws Exception { |
| bossGroup = new NioEventLoopGroup(1); |
| workerGroup = new NioEventLoopGroup(); |
| |
| bootstrap = new ServerBootstrap(); |
| bootstrap.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class) |
| .childHandler(new ServerInitializer()); |
| |
| ChannelFuture cf = bootstrap.bind(port).sync(); |
| channel = cf.channel(); |
| } |
| |
| public void shutdown() { |
| channel.disconnect(); |
| bossGroup.shutdownGracefully(); |
| workerGroup.shutdownGracefully(); |
| } |
| } |
| |
| private static class ServerHandler extends SimpleChannelInboundHandler<String> { |
| |
| @Override |
| public void channelActive(ChannelHandlerContext ctx) throws Exception { |
| ctx.write("Willem\r\n"); |
| ctx.flush(); |
| } |
| |
| @Override |
| public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception { |
| cause.printStackTrace(); |
| ctx.close(); |
| } |
| |
| @Override |
| protected void channelRead0(ChannelHandlerContext ctx, String msg) throws Exception { |
| // Do nothing here |
| } |
| |
| @Override |
| public void channelReadComplete(ChannelHandlerContext ctx) throws Exception { |
| ctx.flush(); |
| } |
| } |
| |
| private static class ServerInitializer extends ChannelInitializer<SocketChannel> { |
| private static final StringDecoder DECODER = new StringDecoder(); |
| private static final StringEncoder ENCODER = new StringEncoder(); |
| private static final ServerHandler SERVERHANDLER = new ServerHandler(); |
| |
| @Override |
| public void initChannel(SocketChannel ch) throws Exception { |
| ChannelPipeline pipeline = ch.pipeline(); |
| |
| // Add the text line codec combination first, |
| pipeline.addLast("framer", new DelimiterBasedFrameDecoder( |
| 8192, Delimiters.lineDelimiter())); |
| // the encoder and decoder are static as these are sharable |
| pipeline.addLast("decoder", DECODER); |
| pipeline.addLast("encoder", ENCODER); |
| |
| // and then business logic. |
| pipeline.addLast("handler", SERVERHANDLER); |
| } |
| } |
| |
| } |