Support acknowledgement

1 files changed, 9 insertions, 1 deletions

diff --git a/src/main/java/org/traccar/protocol/EasyTrackProtocolDecoder.java b/src/main/java/org/traccar/protocol/EasyTrackProtocolDecoder.java
index 81a31e1d1..889e2bf09 100644
--- a/src/main/java/org/traccar/protocol/EasyTrackProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/EasyTrackProtocolDecoder.java
@@ -18,6 +18,7 @@ package org.traccar.protocol;
 import io.netty.channel.Channel;
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.DeviceSession;
+import org.traccar.NetworkMessage;
 import org.traccar.Protocol;
 import org.traccar.helper.BitUtil;
 import org.traccar.helper.DateBuilder;
@@ -93,7 +94,14 @@ public class EasyTrackProtocolDecoder extends BaseProtocolDecoder {
     protected Object decode(
             Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
 
-        Parser parser = new Parser(PATTERN, (String) msg);
+        String sentence = (String) msg;
+        String type = sentence.substring(20, 22);
+
+        if (type.equals("TX") && channel != null) {
+            channel.writeAndFlush(new NetworkMessage(sentence + "#", remoteAddress));
+        }
+
+        Parser parser = new Parser(PATTERN, sentence);
         if (!parser.matches()) {
             return null;
         }