Support new eelink protocol messages

1 files changed, 99 insertions, 30 deletions

diff --git a/src/org/traccar/protocol/EelinkProtocolDecoder.java b/src/org/traccar/protocol/EelinkProtocolDecoder.java
index 09cf1808f..e9de73dd5 100644
--- a/src/org/traccar/protocol/EelinkProtocolDecoder.java
+++ b/src/org/traccar/protocol/EelinkProtocolDecoder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2014 Anton Tananaev (anton.tananaev@gmail.com)
+ * Copyright 2014 - 2016 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.
@@ -19,6 +19,7 @@ import org.jboss.netty.buffer.ChannelBuffer;
 import org.jboss.netty.buffer.ChannelBuffers;
 import org.jboss.netty.channel.Channel;
 import org.traccar.BaseProtocolDecoder;
+import org.traccar.helper.BitUtil;
 import org.traccar.helper.UnitsConverter;
 import org.traccar.model.Position;
 
@@ -41,6 +42,16 @@ public class EelinkProtocolDecoder extends BaseProtocolDecoder {
     public static final int MSG_INTERACTIVE = 0x80;
     public static final int MSG_DATA = 0x81;
 
+    public static final int MSG_NORMAL = 0x12;
+    public static final int MSG_WARNING = 0x14;
+    public static final int MSG_REPORT = 0x15;
+    public static final int MSG_COMMAND = 0x16;
+    public static final int MSG_OBD_DATA = 0x17;
+    public static final int MSG_OBD_BODY = 0x18;
+    public static final int MSG_OBD_CODE = 0x19;
+    public static final int MSG_CAMERA_INFO = 0x1E;
+    public static final int MSG_CAMERA_DATA = 0x1F;
+
     private void sendResponse(Channel channel, int type, int index) {
         if (channel != null) {
             ChannelBuffer response = ChannelBuffers.buffer(7);
@@ -52,57 +63,115 @@ public class EelinkProtocolDecoder extends BaseProtocolDecoder {
         }
     }
 
-    @Override
-    protected Object decode(
-            Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+    private Position decodeOld(ChannelBuffer buf, int type, int index) {
 
-        ChannelBuffer buf = (ChannelBuffer) msg;
+        Position position = new Position();
+        position.setDeviceId(getDeviceId());
+        position.setProtocol(getProtocolName());
 
-        buf.skipBytes(2); // header
-        int type = buf.readUnsignedByte();
-        buf.readShort(); // length
-        int index = buf.readUnsignedShort();
+        position.set(Position.KEY_INDEX, index);
 
-        if (type != MSG_GPS && type != MSG_DATA) {
-            sendResponse(channel, type, index);
+        position.setTime(new Date(buf.readUnsignedInt() * 1000));
+        position.setLatitude(buf.readInt() / 1800000.0);
+        position.setLongitude(buf.readInt() / 1800000.0);
+        position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedByte()));
+        position.setCourse(buf.readUnsignedShort());
+
+        position.set(Position.KEY_MCC, buf.readUnsignedShort());
+        position.set(Position.KEY_MNC, buf.readUnsignedShort());
+        position.set(Position.KEY_LAC, buf.readUnsignedShort());
+        position.set(Position.KEY_CID, buf.readUnsignedMedium());
+
+        position.setValid((buf.readUnsignedByte() & 0x01) != 0);
+
+        if (type == MSG_ALARM) {
+            position.set(Position.KEY_ALARM, buf.readUnsignedByte());
         }
 
-        if (type == MSG_LOGIN) {
+        if (type == MSG_STATE) {
+            position.set(Position.KEY_STATUS, buf.readUnsignedByte());
+        }
 
-            identify(ChannelBuffers.hexDump(buf.readBytes(8)).substring(1), channel, remoteAddress);
+        return position;
+    }
+
+    private Position decodeNew(ChannelBuffer buf, int type, int index) {
+
+        Position position = new Position();
+        position.setDeviceId(getDeviceId());
+        position.setProtocol(getProtocolName());
 
-        } else if (hasDeviceId()
-                && (type == MSG_GPS || type == MSG_ALARM || type == MSG_STATE || type == MSG_SMS)) {
+        position.set(Position.KEY_INDEX, index);
 
-            Position position = new Position();
-            position.setDeviceId(getDeviceId());
+        position.setTime(new Date(buf.readUnsignedInt() * 1000));
 
-            position.setProtocol(getProtocolName());
-            position.set(Position.KEY_INDEX, index);
+        int flags = buf.readUnsignedByte();
 
-            position.setTime(new Date(buf.readUnsignedInt() * 1000));
+        if (BitUtil.check(flags, 0)) {
             position.setLatitude(buf.readInt() / 1800000.0);
             position.setLongitude(buf.readInt() / 1800000.0);
-            position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedByte()));
+            position.setAltitude(buf.readShort());
+            position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedShort()));
             position.setCourse(buf.readUnsignedShort());
+            position.set(Position.KEY_SATELLITES, buf.readUnsignedByte());
+        }
 
+        if (BitUtil.check(flags, 1)) {
             position.set(Position.KEY_MCC, buf.readUnsignedShort());
             position.set(Position.KEY_MNC, buf.readUnsignedShort());
             position.set(Position.KEY_LAC, buf.readUnsignedShort());
-            position.set(Position.KEY_CID, buf.readUnsignedMedium());
+            position.set(Position.KEY_CID, buf.readUnsignedInt());
+            position.set(Position.KEY_GSM, buf.readUnsignedByte());
+        }
 
-            position.setValid((buf.readUnsignedByte() & 0x01) != 0);
+        if (BitUtil.check(flags, 2)) {
+            buf.skipBytes(7); // bsid1
+        }
 
-            if (type == MSG_ALARM) {
-                position.set(Position.KEY_ALARM, buf.readUnsignedByte());
-            }
+        if (BitUtil.check(flags, 3)) {
+            buf.skipBytes(7); // bsid2
+        }
 
-            if (type == MSG_STATE) {
-                position.set(Position.KEY_STATUS, buf.readUnsignedByte());
-            }
+        if (BitUtil.check(flags, 4)) {
+            buf.skipBytes(7); // bss0
+        }
+
+        if (BitUtil.check(flags, 5)) {
+            buf.skipBytes(7); // bss1
+        }
+
+        if (BitUtil.check(flags, 6)) {
+            buf.skipBytes(7); // bss2
+        }
+
+        return position;
+    }
+
+    @Override
+    protected Object decode(
+            Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+        ChannelBuffer buf = (ChannelBuffer) msg;
 
-            return position;
+        buf.skipBytes(2); // header
+        int type = buf.readUnsignedByte();
+        buf.readShort(); // length
+        int index = buf.readUnsignedShort();
 
+        if (type != MSG_GPS && type != MSG_DATA) {
+            sendResponse(channel, type, index);
+        }
+
+        if (type == MSG_LOGIN) {
+
+            identify(ChannelBuffers.hexDump(buf.readBytes(8)).substring(1), channel, remoteAddress);
+
+        } else if (hasDeviceId()) {
+            if (type == MSG_GPS || type == MSG_ALARM || type == MSG_STATE || type == MSG_SMS) {
+                return decodeOld(buf, type, index);
+            } else if (type >= MSG_NORMAL && type <= MSG_OBD_CODE) {
+                return decodeNew(buf, type, index);
+            }
         }
 
         return null;