/* * Copyright 2012 - 2017 Anton Tananaev (anton@traccar.org) * * Licensed 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.traccar; import org.jboss.netty.channel.ChannelException; import org.traccar.helper.Log; import java.io.File; import java.net.BindException; import java.net.URI; import java.net.URL; import java.net.URLDecoder; import java.nio.charset.StandardCharsets; import java.util.Enumeration; import java.util.LinkedList; import java.util.List; import java.util.Map; import java.util.concurrent.ConcurrentHashMap; import java.util.jar.JarEntry; import java.util.jar.JarFile; public class ServerManager { private final List<TrackerServer> serverList = new LinkedList<>(); private final Map<String, BaseProtocol> protocolList = new ConcurrentHashMap<>(); public ServerManager() throws Exception { List<String> names = new LinkedList<>(); String packageName = "org.traccar.protocol"; String packagePath = packageName.replace('.', '/'); URL packageUrl = Thread.currentThread().getContextClassLoader().getResource(packagePath); if (packageUrl.getProtocol().equals("jar")) { String jarFileName = URLDecoder.decode(packageUrl.getFile(), StandardCharsets.UTF_8.name()); try (JarFile jf = new JarFile(jarFileName.substring(5, jarFileName.indexOf("!")))) { Enumeration<JarEntry> jarEntries = jf.entries(); while (jarEntries.hasMoreElements()) { String entryName = jarEntries.nextElement().getName(); if (entryName.startsWith(packagePath) && entryName.length() > packagePath.length() + 5) { names.add(entryName.substring(packagePath.length() + 1, entryName.lastIndexOf('.'))); } } } } else { File folder = new File(new URI(packageUrl.toString())); File[] files = folder.listFiles(); if (files != null) { for (File actual: files) { String entryName = actual.getName(); names.add(entryName.substring(0, entryName.lastIndexOf('.'))); } } } for (String name : names) { Class protocolClass = Class.forName(packageName + '.' + name); if (BaseProtocol.class.isAssignableFrom(protocolClass)) { BaseProtocol baseProtocol = (BaseProtocol) protocolClass.newInstance(); initProtocolServer(baseProtocol); protocolList.put(baseProtocol.getName(), baseProtocol); } } } public BaseProtocol getProtocol(String name) { return protocolList.get(name); } public void start() { for (TrackerServer server: serverList) { try { server.start(); } catch (ChannelException e) { if (e.getCause() instanceof BindException) { Log.warning("One of the protocols is disabled due to port conflict"); } } } } public void stop() { for (TrackerServer server: serverList) { server.stop(); } GlobalChannelFactory.release(); GlobalTimer.release(); } private void initProtocolServer(final Protocol protocol) { if (Context.getConfig().hasKey(protocol.getName() + ".port")) { protocol.initTrackerServers(serverList); } } }