001/* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 * 019 */ 020package org.apache.mina.example.sumup; 021 022import java.net.InetSocketAddress; 023 024import org.apache.mina.core.RuntimeIoException; 025import org.apache.mina.core.future.ConnectFuture; 026import org.apache.mina.core.session.IoSession; 027import org.apache.mina.example.sumup.codec.SumUpProtocolCodecFactory; 028import org.apache.mina.filter.codec.ProtocolCodecFilter; 029import org.apache.mina.filter.codec.serialization.ObjectSerializationCodecFactory; 030import org.apache.mina.filter.logging.LoggingFilter; 031import org.apache.mina.transport.socket.nio.NioSocketConnector; 032 033/** 034 * (<strong>Entry Point</strong>) Starts SumUp client. 035 * 036 * @author <a href="http://mina.apache.org">Apache MINA Project</a> 037 */ 038public class Client { 039 private static final String HOSTNAME = "localhost"; 040 041 private static final int PORT = 8080; 042 043 private static final long CONNECT_TIMEOUT = 30*1000L; // 30 seconds 044 045 // Set this to false to use object serialization instead of custom codec. 046 private static final boolean USE_CUSTOM_CODEC = true; 047 048 public static void main(String[] args) throws Throwable { 049 if (args.length == 0) { 050 System.out.println("Please specify the list of any integers"); 051 return; 052 } 053 054 // prepare values to sum up 055 int[] values = new int[args.length]; 056 for (int i = 0; i < args.length; i++) { 057 values[i] = Integer.parseInt(args[i]); 058 } 059 060 NioSocketConnector connector = new NioSocketConnector(); 061 062 // Configure the service. 063 connector.setConnectTimeoutMillis(CONNECT_TIMEOUT); 064 if (USE_CUSTOM_CODEC) { 065 connector.getFilterChain().addLast( 066 "codec", 067 new ProtocolCodecFilter( 068 new SumUpProtocolCodecFactory(false))); 069 } else { 070 connector.getFilterChain().addLast( 071 "codec", 072 new ProtocolCodecFilter( 073 new ObjectSerializationCodecFactory())); 074 } 075 connector.getFilterChain().addLast("logger", new LoggingFilter()); 076 077 connector.setHandler(new ClientSessionHandler(values)); 078 079 IoSession session; 080 for (;;) { 081 try { 082 ConnectFuture future = connector.connect(new InetSocketAddress( 083 HOSTNAME, PORT)); 084 future.awaitUninterruptibly(); 085 session = future.getSession(); 086 break; 087 } catch (RuntimeIoException e) { 088 System.err.println("Failed to connect."); 089 e.printStackTrace(); 090 Thread.sleep(5000); 091 } 092 } 093 094 // wait until the summation is done 095 session.getCloseFuture().awaitUninterruptibly(); 096 097 connector.dispose(); 098 } 099}