View Javadoc

1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    * 
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   * 
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  
18  
19  package org.apache.log4j.net;
20  
21  import java.net.Socket;
22  import java.net.ServerSocket;
23  import java.io.IOException;
24  
25  import org.apache.log4j.Logger;
26  import org.apache.log4j.LogManager;
27  import org.apache.log4j.PropertyConfigurator;
28  import org.apache.log4j.MDC;
29  import org.apache.log4j.helpers.LogLog;
30  import org.apache.log4j.net.SocketNode;
31  import org.apache.log4j.net.SocketServer;
32  
33  /***
34   * This SocketServer exits after certain number of connections from a
35   * client. This number is determined the totalsTest parameter, that is
36   * the first argument on the commmand line. The second argument,
37   * prefix, determines the prefix of the configuration file to
38   * use. Each run of the server will use a different properties
39   * file. For the i-th run, the path to the file is
40   * (prefix+i+".properties").
41   *
42   * @author Ceki Gulcu */
43  
44  public class ShortSocketServer  {
45  
46    static Logger cat = Logger.getLogger(ShortSocketServer.class);
47  
48    public 
49    static 
50    void main(String args[]) throws Exception {
51      int totalTests = 0;
52      String prefix = null;
53  
54      if(args.length == 2) {
55        totalTests = Integer.parseInt(args[0]);
56        prefix = args[1];
57      } else {
58        usage("Wrong number of arguments."); 
59      }
60      
61  
62        LogLog.debug("Listening on port " + SocketServerTestCase.PORT);
63        ServerSocket serverSocket = new ServerSocket(SocketServerTestCase.PORT);
64  
65        MDC.put("hostID", "shortSocketServer");
66  
67        for(int i = 1; i <= totalTests; i++) {
68  	PropertyConfigurator.configure(prefix+i+".properties");
69  	LogLog.debug("Waiting to accept a new client.");
70  	Socket socket = serverSocket.accept();
71  	LogLog.debug("Connected to client at " + socket.getInetAddress());
72  	LogLog.debug("Starting new socket node.");	
73  	SocketNode sn = new SocketNode(socket, LogManager.getLoggerRepository());
74  	Thread t = new Thread(sn);
75  	t.start(); 
76  	t.join();
77        }
78    }
79  
80    
81    static
82    void usage(String msg) {
83      System.err.println(msg);
84      System.err.println(
85        "Usage: java " +ShortSocketServer.class.getName() + " totalTests configFilePrefix");
86      System.exit(1);
87    }    
88  }