| /* |
| * 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. |
| */ |
| |
| /* @version $Id$ */ |
| |
| import java.io.FileInputStream; |
| import java.io.FileOutputStream; |
| import java.io.PrintStream; |
| import java.util.Enumeration; |
| import java.util.Properties; |
| |
| /* |
| * That is like the ServiceDaemon but it does not use the Daemon interface. |
| */ |
| public class AloneService { |
| |
| private Properties prop = null; |
| private Process proc[] = null; |
| private ServiceDaemonReadThread readout[] = null; |
| private ServiceDaemonReadThread readerr[] = null; |
| |
| protected void finalize() { |
| System.err.println("ServiceDaemon: instance "+this.hashCode()+ |
| " garbage collected"); |
| } |
| |
| /** |
| * init and destroy were added in jakarta-tomcat-daemon. |
| */ |
| public void init(String[] arguments) |
| throws Exception { |
| /* Set the err */ |
| System.setErr(new PrintStream(new FileOutputStream("/ServiceDaemon.err",true))); |
| System.err.println("ServiceDaemon: instance "+this.hashCode()+ |
| " init"); |
| |
| /* read the properties file */ |
| prop = new Properties(); |
| try { |
| prop.load(new FileInputStream("startfile")); |
| } |
| catch (Exception e) { |
| // Cannot find startfile.properties. |
| // XXX: Should we print something? |
| } |
| /* create an array to store the processes */ |
| int i=0; |
| for (Enumeration e = prop.keys(); e.hasMoreElements() ;) { |
| e.nextElement(); |
| i++; |
| } |
| System.err.println("ServiceDaemon: init for " + i + " processes"); |
| proc = new Process[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 "); |
| |
| } |
| |
| public void start() { |
| /* Dump a message */ |
| System.err.println("ServiceDaemon: starting"); |
| |
| /* Start */ |
| int i=0; |
| for (Enumeration e = prop.keys(); e.hasMoreElements() ;) { |
| String name = (String) e.nextElement(); |
| System.err.println("ServiceDaemon: starting: " + name + " : " + prop.getProperty(name)); |
| try { |
| proc[i] = Runtime.getRuntime().exec(prop.getProperty(name)); |
| } 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++; |
| } |
| } |
| |
| public void stop() { |
| /* Dump a message */ |
| System.err.println("ServiceDaemon: stopping"); |
| |
| for (int i=0;i<proc.length;i++) { |
| if ( proc[i]==null) |
| continue; |
| proc[i].destroy(); |
| try { |
| proc[i].waitFor(); |
| } catch(InterruptedException ex) { |
| System.err.println("ServiceDaemon: exception while stopping:" + |
| ex); |
| } |
| } |
| |
| System.err.println("ServiceDaemon: stopped"); |
| } |
| |
| public void destroy() { |
| System.err.println("ServiceDaemon: instance "+this.hashCode()+ |
| " destroy"); |
| } |
| |
| } |