Ejemplo n.º 1
0
 private static void monitor() {
   long nowInMillis;
   long dailyTimeStampInMillis;
   init();
   String subject = "HTTP Uptime monitor started: " + remoteHost + ".";
   String message = "Monitoring from " + Server.getHostName() + Names.NEW_LINE;
   message += "URL: " + url + Names.NEW_LINE;
   message += "remote host: " + remoteHost + Names.NEW_LINE;
   message += "local down command:" + downCommand + " " + remoteHost + Names.NEW_LINE;
   message += "local up command:" + upCommand + " " + remoteHost + Names.NEW_LINE;
   try {
     EMail.send(FROM, mailTo, subject, message, smtpHost);
   } catch (Exception e) {
     e.printStackTrace();
   }
   dailyTimeStamp = getToday();
   dailyTimeStampInMillis = dailyTimeStamp.getTimeInMillis();
   int year, month, day;
   year = dailyTimeStamp.get(Calendar.YEAR);
   month = dailyTimeStamp.get(Calendar.MONTH);
   day = dailyTimeStamp.get(Calendar.DAY_OF_MONTH);
   dailyTimeStamp = new GregorianCalendar(year, month, day, 5, 0, 0);
   Calendar currentTimeStamp;
   int i = 0;
   while (true) {
     i++;
     try {
       int code = getResponseCode();
       for (int x = 0; x < (i % 8); x++) System.out.print(".");
       {
       } // System.out.println("Http Response=" + HTTPCodes[code] + "[" +code + "] for " + url);
       if (code < 200 || code > 204) restartServer(code);
     } catch (Exception e) {
       e.printStackTrace();
       restartServer(601);
     }
     Sleep.sleep(POLLING_INTERVAL * 1000);
     currentTimeStamp = new GregorianCalendar();
     nowInMillis = currentTimeStamp.getTimeInMillis();
     if (nowInMillis > (dailyTimeStampInMillis + (1000 * 60 * 60 * 24))) {
       dailyTimeStamp = getToday();
       dailyTimeStampInMillis = dailyTimeStamp.getTimeInMillis();
       subject = "HTTP Uptime monitor running: " + remoteHost + ".";
       message = "Monitoring from " + Server.getHostName() + Names.NEW_LINE;
       message += "URL: " + url + Names.NEW_LINE;
       message += "remote host: " + remoteHost + Names.NEW_LINE;
       message += "local down command:" + downCommand + " " + remoteHost + Names.NEW_LINE;
       message += "local up command:" + upCommand + " " + remoteHost + Names.NEW_LINE;
       try {
         EMail.send(FROM, mailTo, subject, message, smtpHost);
       } catch (Exception e) {
         e.printStackTrace();
       }
     }
   }
 }
Ejemplo n.º 2
0
  private static void restartServer(int err) {
    String subject = "Restarting Server: " + remoteHost + " [" + err + "]!!";
    String message = "Description of last Response:" + Names.NEW_LINE;
    message += "URL: " + url + Names.NEW_LINE;
    message += "Response: " + HTTPCodes[err] + "[" + err + "]" + Names.NEW_LINE;
    message += "Attempting to restart server: " + remoteHost + Names.NEW_LINE;
    try {
      EMail.send(FROM, mailTo, subject, message, smtpHost);
    } catch (Exception e) {
      e.printStackTrace();
    }

    {
    } // System.out.println("!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!");
    {
    } // System.out.println("Attempting restart server: " + remoteHost);
    ExecShell down = new ExecShell();
    down.setExecutable(downCommand);
    down.addCommandLineArgument(remoteHost, false);
    try {
      {
      } // System.out.println("!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!");
      {
      } // System.out.println("Bringing server down on " + remoteHost + " with " + downCommand);
      down.execute();
      down.waitFor();
      Sleep.sleep(SERVER_SHUTDOWN_DURATION * 1000);
    } catch (Exception e) {
      subject = "ERROR Restarting Server on " + remoteHost;
      message = "Could not execute bring down command: " + downCommand + Names.NEW_LINE;
      try {
        EMail.send(FROM, mailTo, subject, message, smtpHost);
      } catch (Exception ex) {
        ex.printStackTrace();
      }
      {
      } // System.out.println("Could not execute bring down command: " + downCommand);
      {
      } // System.out.println("!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!");
    }

    ExecShell up = new ExecShell();
    up.setExecutable(upCommand);
    up.addCommandLineArgument(remoteHost, false);
    try {
      {
      } // System.out.println("!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!");
      {
      } // System.out.println("Bringing server up on " + remoteHost + " with " + upCommand);
      up.execute();
      up.waitFor();
      Sleep.sleep(SERVER_STARTUP_DURATION * 1000);
      int code = getResponseCode();
      if (code > 199 && code < 206) {
        subject = "Server is back up: " + remoteHost + "[" + code + "].";
        message = "Http Response=" + HTTPCodes[code] + "[" + code + "] for " + url;
        {
        } // System.out.println(subject);
        {
        } // System.out.println(message);
        try {
          EMail.send(FROM, mailTo, subject, message, smtpHost);
        } catch (Exception ex) {
          ex.printStackTrace();
        }
      } else {
        subject = "Could not bring server back up" + " [" + code + "]!";
        message = "Http Response=" + HTTPCodes[code] + "[" + code + "] for " + url;
        {
        } // System.out.println(subject);
        {
        } // System.out.println(message);
        EMail.send(FROM, mailTo, subject, message, smtpHost);
      }
      {
      } // System.out.println("!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!");
    } catch (Exception e) {
      subject = "ERROR Restarting Server on " + remoteHost;
      message = "Could not execute bring up command: " + upCommand;
      {
      } // System.out.println(subject);
      {
      } // System.out.println(message);
      {
      } // System.out.println("!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!");
      try {
        EMail.send(FROM, mailTo, subject, message, smtpHost);
      } catch (Exception ex) {
        ex.printStackTrace();
      }
    }
  }