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-rw-r--r--src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java117
-rw-r--r--src/test/java/org/traccar/protocol/Gt06ProtocolDecoderTest.java4
2 files changed, 81 insertions, 40 deletions
diff --git a/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java b/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java
index 4d3448e84..feacc1ae8 100644
--- a/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java
@@ -113,6 +113,13 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
public static final int MSG_MULTIMEDIA_2 = 0x41;
public static final int MSG_ALARM = 0x95;
+ private enum Variant {
+ VXT01,
+ STANDARD,
+ }
+
+ private Variant variant;
+
private static boolean isSupported(int type) {
return hasGps(type) || hasLbs(type) || hasStatus(type);
}
@@ -333,8 +340,15 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
case 4:
position.set(Position.KEY_ALARM, Position.ALARM_SOS);
break;
+ case 6:
+ position.set(Position.KEY_ALARM, Position.ALARM_GEOFENCE);
+ break;
case 7:
- position.set(Position.KEY_ALARM, Position.ALARM_REMOVING);
+ if (variant == Variant.VXT01) {
+ position.set(Position.KEY_ALARM, Position.ALARM_OVERSPEED);
+ } else {
+ position.set(Position.KEY_ALARM, Position.ALARM_REMOVING);
+ }
break;
default:
break;
@@ -346,7 +360,6 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
position.set(Position.KEY_POWER, buf.readUnsignedShort() * 0.01);
}
position.set(Position.KEY_RSSI, buf.readUnsignedByte());
- position.set(Position.KEY_ALARM, decodeAlarm(buf.readUnsignedByte()));
return true;
}
@@ -445,7 +458,7 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
return position;
}
- private Object decodeBasic(Channel channel, SocketAddress remoteAddress, ByteBuf buf) throws Exception {
+ private Object decodeBasic(Channel channel, SocketAddress remoteAddress, ByteBuf buf) {
int length = buf.readUnsignedByte();
int dataLength = length - 5;
@@ -903,44 +916,47 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
if (hasStatus(type)) {
decodeStatus(position, buf, true);
+ position.set(Position.KEY_ALARM, decodeAlarm(buf.readUnsignedByte()));
}
- if (type == MSG_GPS_LBS_1 && buf.readableBytes() > 75 + 6) {
- position.set(Position.KEY_ODOMETER, buf.readUnsignedInt());
- String data = buf.readCharSequence(buf.readUnsignedByte(), StandardCharsets.US_ASCII).toString();
- buf.readUnsignedByte(); // alarm
- buf.readUnsignedByte(); // swiped
- position.set("driverLicense", data.trim());
- }
-
- if (type == MSG_GPS_LBS_1 && buf.readableBytes() == 18) {
- decodeStatus(position, buf, false);
- position.set("oil", buf.readUnsignedShort());
- int temperature = buf.readUnsignedByte();
- if (BitUtil.check(temperature, 7)) {
- temperature = -BitUtil.to(temperature, 7);
- }
- position.set(Position.PREFIX_TEMP + 1, temperature);
- position.set(Position.KEY_ODOMETER, buf.readUnsignedInt() * 10);
- }
-
- if (type == MSG_GPS_LBS_1 && buf.readableBytes() == 2 + 6) {
- int mask = buf.readUnsignedShort();
- position.set(Position.KEY_IGNITION, BitUtil.check(mask, 8 + 7));
- position.set(Position.PREFIX_IN + 2, BitUtil.check(mask, 8 + 6));
- if (BitUtil.check(mask, 8 + 4)) {
- int value = BitUtil.to(mask, 8 + 1);
- if (BitUtil.check(mask, 8 + 1)) {
- value = -value;
- }
- position.set(Position.PREFIX_TEMP + 1, value);
- } else {
- int value = BitUtil.to(mask, 8 + 2);
- if (BitUtil.check(mask, 8 + 5)) {
- position.set(Position.PREFIX_ADC + 1, value);
+ if (type == MSG_GPS_LBS_1) {
+ if (buf.readableBytes() > 75 + 6) {
+ position.set(Position.KEY_ODOMETER, buf.readUnsignedInt());
+ String data = buf.readCharSequence(buf.readUnsignedByte(), StandardCharsets.US_ASCII).toString();
+ buf.readUnsignedByte(); // alarm
+ buf.readUnsignedByte(); // swiped
+ position.set("driverLicense", data.trim());
+ } else if (buf.readableBytes() == 8) {
+ int mask = buf.readUnsignedShort();
+ position.set(Position.KEY_IGNITION, BitUtil.check(mask, 8 + 7));
+ position.set(Position.PREFIX_IN + 2, BitUtil.check(mask, 8 + 6));
+ if (BitUtil.check(mask, 8 + 4)) {
+ int value = BitUtil.to(mask, 8 + 1);
+ if (BitUtil.check(mask, 8 + 1)) {
+ value = -value;
+ }
+ position.set(Position.PREFIX_TEMP + 1, value);
} else {
- position.set(Position.PREFIX_ADC + 1, value * 0.1);
+ int value = BitUtil.to(mask, 8 + 2);
+ if (BitUtil.check(mask, 8 + 5)) {
+ position.set(Position.PREFIX_ADC + 1, value);
+ } else {
+ position.set(Position.PREFIX_ADC + 1, value * 0.1);
+ }
}
+ } else if (buf.readableBytes() == 11) {
+ decodeStatus(position, buf, false);
+ buf.readUnsignedByte(); // alarm extension
+ } else if (buf.readableBytes() == 18) {
+ decodeStatus(position, buf, false);
+ position.set(Position.KEY_ALARM, decodeAlarm(buf.readUnsignedByte()));
+ position.set("oil", buf.readUnsignedShort());
+ int temperature = buf.readUnsignedByte();
+ if (BitUtil.check(temperature, 7)) {
+ temperature = -BitUtil.to(temperature, 7);
+ }
+ position.set(Position.PREFIX_TEMP + 1, temperature);
+ position.set(Position.KEY_ODOMETER, buf.readUnsignedInt() * 10);
}
}
@@ -1354,21 +1370,42 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
return null;
}
+ private void decodeVariant(ByteBuf buf) {
+ int header = buf.getUnsignedShort(buf.readerIndex());
+ int length;
+ int type;
+ if (header == 0x7878) {
+ length = buf.getUnsignedByte(buf.readerIndex() + 2);
+ type = buf.getUnsignedByte(buf.readerIndex() + 2 + 1);
+ } else {
+ length = buf.getUnsignedShort(buf.readerIndex() + 2);
+ type = buf.getUnsignedByte(buf.readerIndex() + 2 + 2);
+ }
+
+ if (header == 0x7878 && type == MSG_GPS_LBS_1 && length == 0x24) {
+ variant = Variant.VXT01;
+ } else if (header == 0x7878 && type == MSG_GPS_LBS_STATUS_1 && length == 0x24) {
+ variant = Variant.VXT01;
+ } else {
+ variant = Variant.STANDARD;
+ }
+ }
+
@Override
protected Object decode(
Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
ByteBuf buf = (ByteBuf) msg;
+ decodeVariant(buf);
+
int header = buf.readShort();
if (header == 0x7878) {
return decodeBasic(channel, remoteAddress, buf);
- } else if (header == 0x7979) {
+ } else {
return decodeExtended(channel, remoteAddress, buf);
}
-
- return null;
}
}
diff --git a/src/test/java/org/traccar/protocol/Gt06ProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/Gt06ProtocolDecoderTest.java
index ad65ec960..b65b6709e 100644
--- a/src/test/java/org/traccar/protocol/Gt06ProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/Gt06ProtocolDecoderTest.java
@@ -17,6 +17,10 @@ public class Gt06ProtocolDecoderTest extends ProtocolTest {
verifyNull(decoder, binary(
"78780D01086471700328358100093F040D0A"));
+ verifyAttribute(decoder, binary(
+ "7878241216040e102c22cf00915ffb04c6016300195a02d402283b00753f400571040001dda4880d0a"),
+ Position.KEY_IGNITION, false);
+
verifyNotNull(decoder, binary(
"787831241603060c231e000194620213ee00606a3413ee0060692e000000000000000000000000000000000000000000003a0cb70d0a"));
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-02 18:25:31 +0000