/* * 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. */ package org.apache.smscserver.main; import org.apache.smscserver.SmscServer; import org.apache.smscserver.SmscServerFactory; import org.apache.smscserver.smsclet.SmscException; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.context.support.FileSystemXmlApplicationContext; /** * Invokes SmscServer as a daemon, running in the background. Used for example for the Windows service. * * @author hceylan */ public class Daemon { private static final Logger LOG = LoggerFactory.getLogger(Daemon.class); private static SmscServer server; private static Object lock = new Object(); /** * Get the configuration object. */ private static SmscServer getConfiguration(String[] args) throws Exception { SmscServer server = null; if ((args == null) || (args.length < 2)) { Daemon.LOG.info("Using default configuration...."); server = new SmscServerFactory().createServer(); } else if ((args.length == 2) && args[1].equals("-default")) { // supported for backwards compatibility, but not documented System.out.println("The -default switch is deprecated, please use --default instead"); Daemon.LOG.info("Using default configuration...."); server = new SmscServerFactory().createServer(); } else if ((args.length == 2) && args[1].equals("--default")) { Daemon.LOG.info("Using default configuration...."); server = new SmscServerFactory().createServer(); } else if (args.length == 2) { Daemon.LOG.info("Using xml configuration file " + args[1] + "..."); FileSystemXmlApplicationContext ctx = new FileSystemXmlApplicationContext(args[1]); if (ctx.containsBean("server")) { server = (SmscServer) ctx.getBean("server"); } else { String[] beanNames = ctx.getBeanNamesForType(SmscServer.class); if (beanNames.length == 1) { server = (SmscServer) ctx.getBean(beanNames[0]); } else if (beanNames.length > 1) { System.out.println("Using the first server defined in the configuration, named " + beanNames[0]); server = (SmscServer) ctx.getBean(beanNames[0]); } else { System.err.println("XML configuration does not contain a server configuration"); } } } else { throw new SmscException("Invalid configuration option"); } return server; } /** * Main entry point for the daemon * * @param args * The arguments * @throws Exception */ public static void main(String[] args) throws Exception { try { if (Daemon.server == null) { // get configuration Daemon.server = Daemon.getConfiguration(args); if (Daemon.server == null) { Daemon.LOG.error("No configuration provided"); throw new SmscException("No configuration provided"); } } String command = "start"; if ((args != null) && (args.length > 0)) { command = args[0]; } if (command.equals("start")) { Daemon.LOG.info("Starting SMSC server daemon"); Daemon.server.start(); synchronized (Daemon.lock) { Daemon.lock.wait(); } } else if (command.equals("stop")) { synchronized (Daemon.lock) { Daemon.lock.notify(); } Daemon.LOG.info("Stopping SMSC server daemon"); Daemon.server.stop(); } } catch (Throwable t) { Daemon.LOG.error("Daemon error", t); } } }