/** * 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.netty4; import java.net.DatagramPacket; import java.net.DatagramSocket; import java.net.InetAddress; import org.apache.camel.Exchange; import org.apache.camel.Processor; import org.apache.camel.builder.RouteBuilder; import org.junit.Test; import org.slf4j.Logger; import org.slf4j.LoggerFactory; /** * @version */ public class NettyUdpWithInOutUsingPlainSocketTest extends BaseNettyTest { private static final Logger LOG = LoggerFactory.getLogger(NettyUdpWithInOutUsingPlainSocketTest.class); @Test public void testSendAndReceiveOnce() throws Exception { String out = sendAndReceiveUdpMessages("World"); assertNotNull("should receive data", out); assertEquals("Hello World\n", out); } private String sendAndReceiveUdpMessages(String input) throws Exception { DatagramSocket socket = new DatagramSocket(); InetAddress address = InetAddress.getByName("127.0.0.1"); // must append delimiter byte[] data = (input + "\n").getBytes(); DatagramPacket packet = new DatagramPacket(data, data.length, address, getPort()); LOG.debug("+++ Sending data +++"); socket.send(packet); Thread.sleep(1000); byte[] buf = new byte[128]; DatagramPacket receive = new DatagramPacket(buf, buf.length, address, getPort()); LOG.debug("+++ Receiving data +++"); socket.receive(receive); socket.close(); return new String(receive.getData(), 0, receive.getLength()); } protected RouteBuilder createRouteBuilder() { return new RouteBuilder() { public void configure() { from("netty4:udp://127.0.0.1:{{port}}?textline=true&sync=true").process(new Processor() { public void process(Exchange exchange) throws Exception { String s = exchange.getIn().getBody(String.class); LOG.debug("Server got: " + s); exchange.getOut().setBody("Hello " + s); // just make the remote address is there assertNotNull("The remote address header should not be Null", exchange.getIn().getHeader(NettyConstants.NETTY_REMOTE_ADDRESS)); } }); } }; } }