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+/*
+ * Copyright 2010 Anton Tananaev (anton@tananaev.com)
+ *
+ * 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 net.sourceforge.opentracking;
+
+import java.util.List;
+import java.util.LinkedList;
+import java.util.Properties;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.sql.DriverManager;
+import java.sql.Connection;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import net.sourceforge.opentracking.helper.NamedParameterStatement;
+import org.jboss.netty.handler.codec.frame.FixedLengthFrameDecoder;
+import org.jboss.netty.handler.codec.string.StringDecoder;
+import net.sourceforge.opentracking.protocol.xexun.XexunFrameDecoder;
+import net.sourceforge.opentracking.protocol.xexun.XexunProtocolDecoder;
+
+/**
+ * Daemon
+ */
+public class Daemon implements DataManager {
+
+ /**
+ * Server list
+ */
+ private List serverList;
+
+ public Daemon() {
+ serverList = new LinkedList();
+ }
+
+ /**
+ * Init
+ */
+ public void init(String[] arguments)
+ throws IOException, ClassNotFoundException, SQLException {
+
+ // Load properties
+ Properties properties = new Properties();
+ properties.loadFromXML(new FileInputStream(arguments[0]));
+ //properties.loadFromXML(Daemon.class.getResourceAsStream("/configuration.xml"));
+
+ initDatabase(properties);
+ initXexunServer(properties);
+ }
+
+ /**
+ * Database connection
+ */
+ private Connection connection;
+
+ private NamedParameterStatement selectDevice;
+
+ private NamedParameterStatement insertPosition;
+
+ /**
+ * Init database
+ */
+ private void initDatabase(Properties properties)
+ throws ClassNotFoundException, SQLException {
+
+ // Load driver
+ String driver = properties.getProperty("database.driver");
+ if (driver != null) {
+ Class.forName(driver);
+ }
+
+ // Connect database
+ String url = properties.getProperty("database.url");
+ String user = properties.getProperty("database.user");
+ String password = properties.getProperty("database.password");
+
+ if (user != null && password != null) {
+ connection = DriverManager.getConnection(url, user, password);
+ } else {
+ connection = DriverManager.getConnection(url);
+ }
+
+ // Init statements
+ String selectDeviceQuery = properties.getProperty("database.selectDevice");
+ if (selectDeviceQuery != null) {
+ selectDevice = new NamedParameterStatement(connection, selectDeviceQuery);
+ }
+
+ String insertPositionQuery = properties.getProperty("database.insertPosition");
+ if (insertPositionQuery != null) {
+ insertPosition = new NamedParameterStatement(connection, insertPositionQuery);
+ }
+ }
+
+ public synchronized List readDevice() throws SQLException {
+
+ List deviceList = new LinkedList();
+
+ ResultSet result = selectDevice.executeQuery();
+ while (result.next()) {
+ Device device = new Device();
+ device.setId(result.getLong("id"));
+ device.setImei(result.getString("imei"));
+ deviceList.add(device);
+ }
+
+ return deviceList;
+ }
+
+ public synchronized void writePosition(Position position) throws SQLException {
+
+ insertPosition.setInt("device_id", position.getDeviceId().intValue());
+ insertPosition.setTimestamp("time", position.getTime());
+ insertPosition.setBoolean("valid", position.getValid());
+ insertPosition.setDouble("latitude", position.getLatitude());
+ insertPosition.setDouble("longitude", position.getLongitude());
+ insertPosition.setDouble("speed", position.getSpeed());
+ insertPosition.setDouble("course", position.getCourse());
+
+ insertPosition.executeUpdate();
+ }
+
+ /**
+ * Init Xexun server
+ */
+ public void initXexunServer(Properties properties) throws SQLException {
+
+ boolean enable = Boolean.valueOf(properties.getProperty("xexun.enable"));
+ if (enable) {
+
+ TrackerServer server = new TrackerServer(
+ Integer.valueOf(properties.getProperty("xexun.port")));
+
+ server.getPipeline().addLast("frameDecoder", new XexunFrameDecoder());
+ server.getPipeline().addLast("stringDecoder", new StringDecoder());
+ server.getPipeline().addLast("objectDecoder", new XexunProtocolDecoder(this));
+
+ server.getPipeline().addLast("handler", new TrackerEventHandler(this));
+
+ serverList.add(server);
+ }
+ }
+
+ /**
+ * Start
+ */
+ public void start() {
+ for (Object server: serverList) {
+ ((TrackerServer) server).start();
+ }
+ }
+
+ /**
+ * Stop
+ */
+ public void stop() {
+ for (Object server: serverList) {
+ ((TrackerServer) server).stop();
+ }
+ }
+
+ /**
+ * Destroy
+ */
+ public void destroy() {
+ serverList.clear();
+ }
+
+}