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/*
* Copyright 2012 - 2020 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.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.traccar.config.Keys;
import java.io.File;
import java.io.IOException;
import java.net.BindException;
import java.net.URI;
import java.net.URISyntaxException;
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 static final Logger LOGGER = LoggerFactory.getLogger(ServerManager.class);
private final List<TrackerServer> serverList = new LinkedList<>();
private final Map<String, BaseProtocol> protocolList = new ConcurrentHashMap<>();
private void loadPackage(String packageName) throws IOException, URISyntaxException, ReflectiveOperationException {
List<String> names = new LinkedList<>();
String packagePath = packageName.replace('.', '/');
URL packageUrl = getClass().getClassLoader().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) && Context.getConfig().hasKey(
Keys.PROTOCOL_PORT.withPrefix(BaseProtocol.nameFromClass(protocolClass)))) {
BaseProtocol protocol = (BaseProtocol) protocolClass.getDeclaredConstructor().newInstance();
serverList.addAll(protocol.getServerList());
protocolList.put(protocol.getName(), protocol);
}
}
}
public ServerManager() throws IOException, URISyntaxException, ReflectiveOperationException {
loadPackage("org.traccar.protocol");
}
public BaseProtocol getProtocol(String name) {
return protocolList.get(name);
}
public void start() throws Exception {
for (TrackerServer server: serverList) {
try {
server.start();
} catch (BindException e) {
LOGGER.warn("Port {} is disabled due to conflict", server.getPort());
}
}
}
public void stop() {
for (TrackerServer server: serverList) {
server.stop();
}
GlobalTimer.release();
}
}
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