2 files changed, 234 insertions, 0 deletions

diff --git a/src/org/traccar/Server.java b/src/org/traccar/Server.java
index 4ba9ec9fa..2fa9b8f1d 100644
--- a/src/org/traccar/Server.java
+++ b/src/org/traccar/Server.java
@@ -54,6 +54,7 @@ import org.jboss.netty.channel.SimpleChannelHandler;
 import org.traccar.helper.AdvancedConnection;
 import org.traccar.protocol.gl100.Gl100ProtocolDecoder;
 import org.traccar.protocol.xexun2.Xexun2ProtocolDecoder;
+import org.traccar.protocol.avl08.Avl08ProtocolDecoder;
 
 /**
  * Server
@@ -98,6 +99,7 @@ public class Server implements DataManager {
         initGl200Server(properties);
         initT55Server(properties);
         initXexun2Server(properties);
+        initAvl08Server(properties);
     }
 
     /**
@@ -601,6 +603,57 @@ public class Server implements DataManager {
     }
 
     /**
+     * AVL-08 pipeline factory
+     */
+    protected class Avl08PipelineFactory implements ChannelPipelineFactory {
+
+        private TrackerServer server;
+        private Server serverCreator;
+        private Integer resetDelay;
+        
+        public Avl08PipelineFactory(
+                TrackerServer server, Server serverCreator, Integer resetDelay) {
+            this.server = server;
+            this.serverCreator = serverCreator;
+            this.resetDelay = resetDelay;
+        }
+        
+        public ChannelPipeline getPipeline() {
+            ChannelPipeline pipeline = Channels.pipeline();
+            pipeline.addLast("openHandler", new OpenChannelHandler(server));
+            if (serverCreator.isLoggerEnabled()) {
+                pipeline.addLast("logger", new LoggingHandler("logger"));
+            }
+            byte delimiter[] = { (byte) '$', (byte) '$' }; // probably use \r\n
+            pipeline.addLast("frameDecoder",
+                    new DelimiterBasedFrameDecoder(1024, ChannelBuffers.wrappedBuffer(delimiter)));
+            pipeline.addLast("stringDecoder", new StringDecoder());
+            pipeline.addLast("objectDecoder", new Avl08ProtocolDecoder(serverCreator, resetDelay));
+            pipeline.addLast("handler", new TrackerEventHandler(serverCreator));            
+            return pipeline;
+        }
+    }
+    
+    /**
+     * Init AVL-08 server
+     */
+    public void initAvl08Server(Properties properties) throws SQLException {
+
+        boolean enable = Boolean.valueOf(properties.getProperty("avl08.enable"));
+        if (enable) {
+
+            TrackerServer server = new TrackerServer(
+                    Integer.valueOf(properties.getProperty("avl08.port")));
+
+            String resetDelay = properties.getProperty("avl08.resetDelay");
+            server.setPipelineFactory(new Xexun2PipelineFactory(
+                    server, this, (resetDelay == null) ? 0 : Integer.valueOf(resetDelay)));
+
+            serverList.add(server);
+        }
+    }
+    
+    /**
      * Start
      */
     public void start() {
diff --git a/src/org/traccar/protocol/avl08/Avl08ProtocolDecoder.java b/src/org/traccar/protocol/avl08/Avl08ProtocolDecoder.java
new file mode 100644
index 000000000..ca59b8413
--- /dev/null
+++ b/src/org/traccar/protocol/avl08/Avl08ProtocolDecoder.java
@@ -0,0 +1,181 @@
+/*
+ * Copyright 2012 Anton Tananaev (anton.tananaev@gmail.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 org.traccar.protocol.avl08;
+
+import java.text.ParseException;
+import java.util.Calendar;
+import java.util.GregorianCalendar;
+import java.util.TimeZone;
+import java.util.Timer;
+import java.util.TimerTask;
+import java.util.regex.Pattern;
+import java.util.regex.Matcher;
+import org.jboss.netty.channel.Channel;
+import org.jboss.netty.channel.ChannelHandlerContext;
+import org.jboss.netty.handler.codec.oneone.OneToOneDecoder;
+import org.traccar.Position;
+import org.traccar.DataManager;
+import org.jboss.netty.channel.ChannelEvent;
+import org.jboss.netty.channel.ChannelState;
+import org.jboss.netty.channel.ChannelStateEvent;
+
+/**
+ * AVL-08 tracker protocol decoder
+ */
+public class Avl08ProtocolDecoder extends OneToOneDecoder {
+
+    /**
+     * Data manager
+     */
+    private DataManager dataManager;
+
+    /**
+     * Reset connection delay
+     */
+    private Integer resetDelay;
+    
+    /**
+     * Device ID
+     */
+    private Long deviceId;
+
+    /**
+     * Init device table
+     */
+    public Avl08ProtocolDecoder(DataManager dataManager, Integer resetDelay) {
+        this.dataManager = dataManager;
+        this.resetDelay = resetDelay;
+    }
+    
+    /**
+     * Regular expressions pattern
+     */
+    static private Pattern pattern = Pattern.compile(
+            ".{2}" +                     // Length
+            "(\\d{15})\\|" +             // IMEI
+            ".{2}" +                     // Alarm Type
+            "\\$GPRMC," +
+            "(\\d{2})(\\d{2})(\\d{2}).(\\d{3})," + // Time (HHMMSS.SSS)
+            "([AV])," +                  // Validity
+            "(\\d{2})(\\d{2}.\\d{4})," + // Latitude (DDMM.MMMM)
+            "([NS])," +
+            "(\\d{3})(\\d{2}.\\d{4})," + // Longitude (DDDMM.MMMM)
+            "([EW])," +
+            "(\\d+.\\d{2})?," +          // Speed
+            "(\\d+.\\d{2})?," +          // Course
+            "(\\d{2})(\\d{2})(\\d{2})" + // Date (DDMMYY)
+            ".+");
+    /**
+     * Decode message
+     */
+    protected Object decode(
+            ChannelHandlerContext ctx, Channel channel, Object msg)
+            throws Exception {
+
+        // Parse message
+        String sentence = (String) msg;
+        Matcher parser = pattern.matcher(sentence);
+        if (!parser.matches()) {
+            return null;
+        }
+
+        // Create new position
+        Position position = new Position();
+
+        Integer index = 1;
+
+        // Get device by IMEI
+        String imei = parser.group(index++);
+        position.setDeviceId(dataManager.getDeviceByImei(imei).getId());
+        
+        // Time
+        Calendar time = new GregorianCalendar(TimeZone.getTimeZone("UTC"));
+        time.clear();
+        time.set(Calendar.HOUR, Integer.valueOf(parser.group(index++)));
+        time.set(Calendar.MINUTE, Integer.valueOf(parser.group(index++)));
+        time.set(Calendar.SECOND, Integer.valueOf(parser.group(index++)));
+        time.set(Calendar.MILLISECOND, Integer.valueOf(parser.group(index++)));
+
+        // Validity
+        position.setValid(parser.group(index++).compareTo("A") == 0 ? true : false);
+
+        // Latitude
+        Double latitude = Double.valueOf(parser.group(index++));
+        latitude += Double.valueOf(parser.group(index++)) / 60;
+        if (parser.group(index++).compareTo("S") == 0) latitude = -latitude;
+        position.setLatitude(latitude);
+
+        // Longitude
+        Double lonlitude = Double.valueOf(parser.group(index++));
+        lonlitude += Double.valueOf(parser.group(index++)) / 60;
+        if (parser.group(index++).compareTo("W") == 0) lonlitude = -lonlitude;
+        position.setLongitude(lonlitude);
+
+        // Altitude
+        position.setAltitude(0.0);
+        
+        // Speed
+        position.setSpeed(Double.valueOf(parser.group(index++)));
+
+        // Course
+        String course = parser.group(index++);
+        if (course != null) {
+            position.setCourse(Double.valueOf(course));
+        } else {
+            position.setCourse(0.0);
+        }
+
+        // Date
+        time.set(Calendar.DAY_OF_MONTH, Integer.valueOf(parser.group(index++)));
+        time.set(Calendar.MONTH, Integer.valueOf(parser.group(index++)) - 1);
+        time.set(Calendar.YEAR, 2000 + Integer.valueOf(parser.group(index++)));
+        position.setTime(time.getTime());
+
+        return position;
+    }
+
+    /**
+     * Disconnect channel
+     */
+    class DisconnectTask extends TimerTask {
+        private Channel channel;
+
+        public DisconnectTask(Channel channel) {
+            this.channel = channel;
+        }
+
+        public void run() {
+            channel.disconnect();
+        }
+    }
+
+    /**
+     * Handle connect event
+     */
+    @Override
+    public void handleUpstream(ChannelHandlerContext ctx, ChannelEvent evt) throws Exception {
+        super.handleUpstream(ctx, evt);
+
+        if (evt instanceof ChannelStateEvent) {
+            ChannelStateEvent event = (ChannelStateEvent) evt;
+
+            if (event.getState() == ChannelState.CONNECTED && event.getValue() != null && resetDelay != 0) {
+                new Timer().schedule(new Avl08ProtocolDecoder.DisconnectTask(evt.getChannel()), resetDelay);
+            }
+        }
+    }
+
+}