Implement CarTrack protocol

2 files changed, 157 insertions, 0 deletions

diff --git a/src/org/traccar/ServerManager.java b/src/org/traccar/ServerManager.java
index 7558b1f31..43fbec650 100644
--- a/src/org/traccar/ServerManager.java
+++ b/src/org/traccar/ServerManager.java
@@ -164,6 +164,7 @@ public class ServerManager {
         initKhdServer("khd");
         initPiligrimServer("piligrim");
         initStl060Server("stl060");
+        initCarTrackServer("cartrack");
         
         // Initialize web server
         if (Boolean.valueOf(properties.getProperty("http.enable"))) {
@@ -1083,4 +1084,19 @@ public class ServerManager {
         }
     }
 
+    private void initCarTrackServer(String protocol) throws SQLException {
+        if (isProtocolEnabled(properties, protocol)) {
+            serverList.add(new TrackerServer(this, new ServerBootstrap(), protocol) {
+                @Override
+                protected void addSpecificHandlers(ChannelPipeline pipeline) {
+                    byte delimiter[] = { (byte) '#', (byte) '#' };
+                    pipeline.addLast("frameDecoder",
+                            new DelimiterBasedFrameDecoder(1024, ChannelBuffers.wrappedBuffer(delimiter)));
+                    pipeline.addLast("stringDecoder", new StringDecoder());
+                    pipeline.addLast("objectDecoder", new CarTrackProtocolDecoder(ServerManager.this));
+                }
+            });
+        }
+    }
+
 }
diff --git a/src/org/traccar/protocol/CarTrackProtocolDecoder.java b/src/org/traccar/protocol/CarTrackProtocolDecoder.java
new file mode 100644
index 000000000..de730f00a
--- /dev/null
+++ b/src/org/traccar/protocol/CarTrackProtocolDecoder.java
@@ -0,0 +1,141 @@
+/*
+ * Copyright 2014 Anton Tananaev (anton.tananaev@gmail.com)
+ *                Rohit
+ *
+ * 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;
+
+import java.util.Calendar;
+import java.util.TimeZone;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import org.jboss.netty.channel.Channel;
+import org.jboss.netty.channel.ChannelHandlerContext;
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.ServerManager;
+import org.traccar.helper.Log;
+import org.traccar.model.ExtendedInfoFormatter;
+import org.traccar.model.Position;
+
+public class CarTrackProtocolDecoder extends BaseProtocolDecoder {
+
+    public CarTrackProtocolDecoder(ServerManager serverManager) {
+        super(serverManager);
+    }
+
+    private static final Pattern pattern = Pattern.compile(
+            "\\$\\$" +                                      // Header
+            "(\\d+)\\?*" +                                  // Device ID
+            "\\&A" +
+            "(\\d{4})" +                                    // Command - 2
+            "\\&B" +
+            "(\\d{2})(\\d{2})(\\d{2})\\.(\\d{3})," +        // HHMMSS.DDD
+            "([AV])," +                                     // STATUS : A= Valid, V = Invalid
+            "(\\d{2})(\\d{2}\\.\\d{4})," +                  // Lat : XXMM.DDDDD
+            "([NS])," +                                     // N/S
+            "(\\d{3})(\\d{2}\\.\\d{4})," +                  // Long : YYYMM.DDDD
+            "([EW])," +                                     // E/W
+            "(\\d+.\\d*)," +                                // Speed in Knots
+            "(\\d+.\\d*)?," +                               // Heading
+            "(\\d{2})(\\d{2})(\\d{2})" +                    // DDMMYY
+            ".*" +
+            "\\&C(.*)" +                                    // IO Port Data
+            "\\&D(.*)" +                                    // Mile Meter Data
+            "\\&E(.*)" +                                    // Alarm Data
+            "\\&Y(.*)");                                    // AD Input Data
+
+    @Override
+    protected Object decode(
+            ChannelHandlerContext ctx, Channel channel, Object msg)
+            throws Exception {
+
+        String sentence = (String) msg;
+        
+        // Parse message
+        Matcher parser = pattern.matcher(sentence);
+        if (!parser.matches()) {
+            return null;
+        }
+
+        // Create new position
+        Position position = new Position();
+        ExtendedInfoFormatter extendedInfo = new ExtendedInfoFormatter("cartrack");
+        Integer index = 1;
+
+        // Get device by unique identifier
+        String id = parser.group(index++);
+        try {
+            position.setDeviceId(getDataManager().getDeviceByImei(id).getId());
+        } catch(Exception error) {
+            Log.warning("Unknown device - " + id);
+            return null;
+        }
+
+        // Command
+        extendedInfo.set("command", parser.group(index++));
+
+        // Time
+        Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
+        time.clear();
+        time.set(Calendar.HOUR_OF_DAY, 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);
+
+        // 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 longitude = Double.valueOf(parser.group(index++));
+        longitude += Double.valueOf(parser.group(index++)) / 60;
+        if (parser.group(index++).compareTo("W") == 0) longitude = -longitude;
+        position.setLongitude(longitude);
+
+        // 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());
+
+        // Altitude
+        position.setAltitude(0.0);
+        
+        // State
+        extendedInfo.set("io", parser.group(index++));
+        extendedInfo.set("milage", parser.group(index++));
+        extendedInfo.set("alarm", parser.group(index++));
+        extendedInfo.set("ad", parser.group(index++));
+
+        position.setExtendedInfo(extendedInfo.toString());
+        return position;
+    }
+
+}