Decode G6W audio format

3 files changed, 46 insertions, 8 deletions

diff --git a/src/main/java/org/traccar/helper/BufferUtil.java b/src/main/java/org/traccar/helper/BufferUtil.java
index 9485c17c6..1e1a687fa 100644
--- a/src/main/java/org/traccar/helper/BufferUtil.java
+++ b/src/main/java/org/traccar/helper/BufferUtil.java
@@ -27,6 +27,18 @@ public final class BufferUtil {
     private BufferUtil() {
     }
 
+    public static int indexOf(ByteBuf buffer, int fromIndex, int toIndex, byte value, int count) {
+        int startIndex = fromIndex;
+        for (int i = 0; i < count; i++) {
+            int result = buffer.indexOf(startIndex, toIndex, value);
+            if (result < 0 || i == count - 1) {
+                return result;
+            }
+            startIndex = result + 1;
+        }
+        return -1;
+    }
+
     public static int indexOf(String needle, ByteBuf haystack) {
         return indexOf(needle, haystack, haystack.readerIndex(), haystack.writerIndex());
     }
diff --git a/src/main/java/org/traccar/protocol/WatchProtocolDecoder.java b/src/main/java/org/traccar/protocol/WatchProtocolDecoder.java
index b25a15f93..420866578 100644
--- a/src/main/java/org/traccar/protocol/WatchProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/WatchProtocolDecoder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2015 - 2021 Anton Tananaev (anton@traccar.org)
+ * Copyright 2015 - 2022 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.
@@ -18,14 +18,13 @@ package org.traccar.protocol;
 import io.netty.buffer.ByteBuf;
 import io.netty.buffer.Unpooled;
 import io.netty.channel.Channel;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.Context;
 import org.traccar.DeviceSession;
 import org.traccar.NetworkMessage;
 import org.traccar.Protocol;
 import org.traccar.helper.BitUtil;
+import org.traccar.helper.BufferUtil;
 import org.traccar.helper.Parser;
 import org.traccar.helper.PatternBuilder;
 import org.traccar.helper.UnitsConverter;
@@ -41,7 +40,7 @@ import java.util.regex.Pattern;
 
 public class WatchProtocolDecoder extends BaseProtocolDecoder {
 
-    private static final Logger LOGGER = LoggerFactory.getLogger(WatchProtocolDecoder.class);
+    private ByteBuf audio;
 
     public WatchProtocolDecoder(Protocol protocol) {
         super(protocol);
@@ -318,13 +317,37 @@ public class WatchProtocolDecoder extends BaseProtocolDecoder {
 
             return position;
 
+        } else if (type.equals("JXTK")) {
+
+            int dataIndex = BufferUtil.indexOf(buf, buf.readerIndex(), buf.writerIndex(), (byte) ',', 4) + 1;
+            String[] values = buf.readCharSequence(
+                    dataIndex - buf.readerIndex(), StandardCharsets.US_ASCII).toString().split(",");
+
+            int current = Integer.parseInt(values[2]);
+            int total = Integer.parseInt(values[3]);
+
+            if (audio == null) {
+                audio = Unpooled.buffer();
+            }
+            audio.writeBytes(buf);
+
+            sendResponse(channel, id, index, "JXTKR,1");
+
+            if (current < total) {
+                return null;
+            } else {
+                Position position = new Position(getProtocolName());
+                position.setDeviceId(deviceSession.getDeviceId());
+                getLastLocation(position, null);
+                position.set(Position.KEY_AUDIO, Context.getMediaManager().writeFile(id, audio, "amr"));
+                audio.release();
+                audio = null;
+                return position;
+            }
+
         } else if (type.equals("TK")) {
 
             if (buf.readableBytes() == 1) {
-                byte result = buf.readByte();
-                if (result != '1') {
-                    LOGGER.warn(type + "," + result);
-                }
                 return null;
             }
 
diff --git a/src/test/java/org/traccar/protocol/WatchProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/WatchProtocolDecoderTest.java
index 34ef7839b..ef6c33da9 100644
--- a/src/test/java/org/traccar/protocol/WatchProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/WatchProtocolDecoderTest.java
@@ -15,6 +15,9 @@ public class WatchProtocolDecoderTest extends ProtocolTest {
 
         var decoder = new WatchProtocolDecoder(null);
 
+        verifyNull(decoder, binary(
+                "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+
         verifyPosition(decoder, buffer(
                 "[3G*9031853319*004E*UD2,220322,055105,A,22.761162,N,114.360192,E,0,0,47,14,100,64,0,0,00000008,0,0]"));