Start Tramigo implementation

2 files changed, 108 insertions, 0 deletions

diff --git a/src/org/traccar/protocol/Gt02ProtocolDecoder.java b/src/org/traccar/protocol/Gt02ProtocolDecoder.java
index 546f7dc56..3857766c7 100644
--- a/src/org/traccar/protocol/Gt02ProtocolDecoder.java
+++ b/src/org/traccar/protocol/Gt02ProtocolDecoder.java
@@ -88,6 +88,7 @@ public class Gt02ProtocolDecoder extends BaseProtocolDecoder {
                 position.setDeviceId(getDataManager().getDeviceByImei(imei).getId());
             } catch(Exception error) {
                 Log.warning("Unknown device - " + imei);
+                return null;
             }
 
             // Date and time
diff --git a/src/org/traccar/protocol/TramigoProtocolDecoder.java b/src/org/traccar/protocol/TramigoProtocolDecoder.java
new file mode 100644
index 000000000..9bc8a5ae8
--- /dev/null
+++ b/src/org/traccar/protocol/TramigoProtocolDecoder.java
@@ -0,0 +1,107 @@
+/*
+ * Copyright 2014 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;
+
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.jboss.netty.channel.Channel;
+import org.jboss.netty.channel.ChannelHandlerContext;
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.database.DataManager;
+import org.traccar.helper.Log;
+import org.traccar.model.ExtendedInfoFormatter;
+import org.traccar.model.Position;
+
+import java.util.Date;
+import java.util.Properties;
+
+public class TramigoProtocolDecoder extends BaseProtocolDecoder {
+
+    public TramigoProtocolDecoder(DataManager dataManager, String protocol, Properties properties) {
+        super(dataManager, protocol, properties);
+    }
+
+    private static final int MSG_COMPACT = 0x0100;
+    private static final int MSG_FULL = 0x00FE;
+
+    @Override
+    protected Object decode(
+            ChannelHandlerContext ctx, Channel channel, Object msg)
+            throws Exception {
+
+        ChannelBuffer buf = (ChannelBuffer) msg;
+
+        if (buf.readUnsignedByte() != 1) {
+            return null; // wrong protocol version
+        }
+
+        buf.readUnsignedByte(); // version id
+        int index = buf.readUnsignedShort();
+        int type = buf.readUnsignedShort();
+        buf.readUnsignedShort(); // length
+        buf.readUnsignedShort(); // mask
+        buf.readUnsignedShort(); // checksum
+        long id = buf.readUnsignedInt();
+        buf.readUnsignedInt(); // time
+
+        if (type == MSG_COMPACT || type == MSG_FULL) {
+
+            // Create new position
+            Position position = new Position();
+            ExtendedInfoFormatter extendedInfo = new ExtendedInfoFormatter(getProtocol());
+            extendedInfo.set("index", index);
+
+            // Get device id
+            try {
+                position.setDeviceId(getDataManager().getDeviceByImei(String.valueOf(id)).getId());
+            } catch(Exception error) {
+                Log.warning("Unknown device - " + id);
+                return null;
+            }
+
+            buf.readUnsignedShort(); // report trigger
+            buf.readUnsignedShort(); // state flag
+
+            position.setValid(true);
+            position.setLatitude(buf.readUnsignedInt() * 0.0000001);
+            position.setLongitude(buf.readUnsignedInt() * 0.0000001);
+            position.setAltitude(0.0);
+
+            buf.readUnsignedShort(); // GSM signal quality
+            buf.readUnsignedShort(); // satellites in fix
+            buf.readUnsignedShort(); // satellites in track
+            buf.readUnsignedShort(); // GPS antenna state
+
+            position.setSpeed(buf.readUnsignedShort() * 0.194384);
+            position.setCourse((double )buf.readUnsignedShort());
+
+            buf.readUnsignedInt(); // distance
+
+            extendedInfo.set("battery", buf.readUnsignedShort());
+
+            buf.readUnsignedShort(); // battery charger status
+
+            position.setTime(new Date(buf.readUnsignedInt() * 1000));
+
+            // TODO: parse other data
+
+            position.setExtendedInfo(extendedInfo.toString());
+            return position;
+        }
+
+        return null;
+    }
+
+}