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From jfcl...@apache.org
Subject cvs commit: jakarta-commons-sandbox/daemon/src/samples ServiceDaemonReadThread.java ServiceDaemon.java
Date Thu, 09 May 2002 21:54:04 GMT
jfclere     02/05/09 14:54:04

  Modified:    daemon/src/samples ServiceDaemon.java
  Added:       daemon/src/samples ServiceDaemonReadThread.java
  Log:
  Add reading stdout/stderr on the created processes (otherwise they hang).
  
  Revision  Changes    Path
  1.3       +16 -2     jakarta-commons-sandbox/daemon/src/samples/ServiceDaemon.java
  
  Index: ServiceDaemon.java
  ===================================================================
  RCS file: /home/cvs/jakarta-commons-sandbox/daemon/src/samples/ServiceDaemon.java,v
  retrieving revision 1.2
  retrieving revision 1.3
  diff -u -r1.2 -r1.3
  --- ServiceDaemon.java	25 Mar 2002 22:37:47 -0000	1.2
  +++ ServiceDaemon.java	9 May 2002 21:54:03 -0000	1.3
  @@ -55,7 +55,7 @@
    *                                                                           *
    * ========================================================================= */
   
  -/* @version $Id: ServiceDaemon.java,v 1.2 2002/03/25 22:37:47 jfclere Exp $ */
  +/* @version $Id: ServiceDaemon.java,v 1.3 2002/05/09 21:54:03 jfclere Exp $ */
   
   import java.io.*;
   import java.net.*;
  @@ -74,6 +74,8 @@
   
       private ExtendedProperties prop = null;
       private Process proc[] = null;
  +    private ServiceDaemonReadThread readout[] = null;
  +    private ServiceDaemonReadThread readerr[] = null;
   
       public ServiceDaemon() {
           super();
  @@ -107,8 +109,13 @@
           }
           System.err.println("ServiceDaemon: init for " + i + " processes");
           proc = new Process[i];
  -        for (i=0;i<proc.length;i++)
  +        readout = new ServiceDaemonReadThread[i];
  +        readerr = new ServiceDaemonReadThread[i];
  +        for (i=0;i<proc.length;i++) {
               proc[i] = null;
  +            readout[i] = null;
  +            readerr[i] = null;
  +        }
   
           System.err.println("ServiceDaemon: init done ");
   
  @@ -128,6 +135,13 @@
              } catch(Exception ex) {
                  System.err.println("Exception: " + ex);
              }
  +           /* Start threads to read from Error and Out streams */
  +           readerr[i] =
  +               new ServiceDaemonReadThread(proc[i].getErrorStream());
  +           readout[i] =
  +               new ServiceDaemonReadThread(proc[i].getInputStream());
  +           readerr[i].start();
  +           readout[i].start();
              i++;
           }
       }
  
  
  
  1.1                  jakarta-commons-sandbox/daemon/src/samples/ServiceDaemonReadThread.java
  
  Index: ServiceDaemonReadThread.java
  ===================================================================
  
  /* ========================================================================= *
   *                                                                           *
   *                 The Apache Software License,  Version 1.1                 *
   *                                                                           *
   *          Copyright (c) 1999-2001 The Apache Software Foundation.          *
   *                           All rights reserved.                            *
   *                                                                           *
   * ========================================================================= *
   *                                                                           *
   * Redistribution and use in source and binary forms,  with or without modi- *
   * fication, are permitted provided that the following conditions are met:   *
   *                                                                           *
   * 1. Redistributions of source code  must retain the above copyright notice *
   *    notice, this list of conditions and the following disclaimer.          *
   *                                                                           *
   * 2. Redistributions  in binary  form  must  reproduce the  above copyright *
   *    notice,  this list of conditions  and the following  disclaimer in the *
   *    documentation and/or other materials provided with the distribution.   *
   *                                                                           *
   * 3. The end-user documentation  included with the redistribution,  if any, *
   *    must include the following acknowlegement:                             *
   *                                                                           *
   *       "This product includes  software developed  by the Apache  Software *
   *        Foundation <http://www.apache.org/>."                              *
   *                                                                           *
   *    Alternately, this acknowlegement may appear in the software itself, if *
   *    and wherever such third-party acknowlegements normally appear.         *
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   * 4. The names  "The  Jakarta  Project",  "WebApp",  and  "Apache  Software *
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   * 5. Products derived from this software may not be called "Apache" nor may *
   *    "Apache" appear in their names without prior written permission of the *
   *    Apache Software Foundation.                                            *
   *                                                                           *
   * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED WARRANTIES *
   * INCLUDING, BUT NOT LIMITED TO,  THE IMPLIED WARRANTIES OF MERCHANTABILITY *
   * AND FITNESS FOR  A PARTICULAR PURPOSE  ARE DISCLAIMED.  IN NO EVENT SHALL *
   * THE APACHE  SOFTWARE  FOUNDATION OR  ITS CONTRIBUTORS  BE LIABLE  FOR ANY *
   * DIRECT,  INDIRECT,   INCIDENTAL,  SPECIAL,  EXEMPLARY,  OR  CONSEQUENTIAL *
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   * OR SERVICES;  LOSS OF USE,  DATA,  OR PROFITS;  OR BUSINESS INTERRUPTION) *
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   * ANY  WAY  OUT OF  THE  USE OF  THIS  SOFTWARE,  EVEN  IF  ADVISED  OF THE *
   * POSSIBILITY OF SUCH DAMAGE.                                               *
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   * ========================================================================= */
  
  /* @version $Id: ServiceDaemonReadThread.java,v 1.1 2002/05/09 21:54:03 jfclere Exp $ */
  import java.io.InputStream;
  import java.io.IOException;
  import java.lang.Thread;
  import java.io.BufferedReader;
  import java.io.InputStreamReader;
  
  public class ServiceDaemonReadThread extends Thread {
      private BufferedReader in;
      ServiceDaemonReadThread(InputStream in) {
              this.in = new BufferedReader(new InputStreamReader(in));
          }
      public void run() {
          String buff;
          for (;;) {
              try {
                  buff = in.readLine();
                  if (buff == null) break;
                  System.err.print(in.readLine());
              } catch (IOException ex) {
                  break; // Exit thread.
              }
          }
      }
  }
  
  
  

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