1 files changed, 31 insertions, 7 deletions
diff --git a/src/org/traccar/protocol/EelinkProtocolEncoder.java b/src/org/traccar/protocol/EelinkProtocolEncoder.java
index 5a28733f7..b9be684a3 100644
--- a/src/org/traccar/protocol/EelinkProtocolEncoder.java
+++ b/src/org/traccar/protocol/EelinkProtocolEncoder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016 Anton Tananaev (anton@traccar.org)
+ * Copyright 2016 - 2017 Anton Tananaev (anton@traccar.org)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -21,14 +21,25 @@ import org.traccar.BaseProtocolEncoder;
 import org.traccar.helper.Log;
 import org.traccar.model.Command;
 
+import javax.xml.bind.DatatypeConverter;
 import java.nio.charset.StandardCharsets;
 
 public class EelinkProtocolEncoder extends BaseProtocolEncoder {
 
-    private ChannelBuffer encodeContent(String content) {
+    private boolean connectionless;
+
+    public EelinkProtocolEncoder(boolean connectionless) {
+        this.connectionless = connectionless;
+    }
+
+    private ChannelBuffer encodeContent(long deviceId, String content) {
 
         ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
 
+        if (connectionless) {
+            buf.writeBytes(ChannelBuffers.wrappedBuffer(DatatypeConverter.parseHexBinary('0' + getUniqueId(deviceId))));
+        }
+
         buf.writeByte(0x67);
         buf.writeByte(0x67);
         buf.writeByte(EelinkProtocolDecoder.MSG_DOWNLINK);
@@ -39,7 +50,18 @@ public class EelinkProtocolEncoder extends BaseProtocolEncoder {
         buf.writeInt(0); // server id
         buf.writeBytes(content.getBytes(StandardCharsets.UTF_8));
 
-        return buf;
+        ChannelBuffer result = ChannelBuffers.dynamicBuffer();
+
+        if (connectionless) {
+            result.writeByte('E');
+            result.writeByte('L');
+            result.writeShort(2 + 2 + 2 + buf.readableBytes()); // length
+            result.writeShort(0); // checksum
+        }
+
+        result.writeBytes(buf);
+
+        return result;
     }
 
     @Override
@@ -47,13 +69,15 @@ public class EelinkProtocolEncoder extends BaseProtocolEncoder {
 
         switch (command.getType()) {
             case Command.TYPE_CUSTOM:
-                return encodeContent(command.getString(Command.KEY_DATA));
+                return encodeContent(command.getDeviceId(), command.getString(Command.KEY_DATA));
+            case Command.TYPE_POSITION_SINGLE:
+                return encodeContent(command.getDeviceId(), "WHERE#");
             case Command.TYPE_ENGINE_STOP:
-                return encodeContent("RELAY,1#");
+                return encodeContent(command.getDeviceId(), "RELAY,1#");
             case Command.TYPE_ENGINE_RESUME:
-                return encodeContent("RELAY,0#");
+                return encodeContent(command.getDeviceId(), "RELAY,0#");
             case Command.TYPE_REBOOT_DEVICE:
-                return encodeContent("RESET#");
+                return encodeContent(command.getDeviceId(), "RESET#");
             default:
                 Log.warning(new UnsupportedOperationException(command.getType()));
                 break;