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Diffstat (limited to 'src/main/java/org/traccar/protocol/Jt600ProtocolDecoder.java')
-rw-r--r--src/main/java/org/traccar/protocol/Jt600ProtocolDecoder.java21
1 files changed, 17 insertions, 4 deletions
diff --git a/src/main/java/org/traccar/protocol/Jt600ProtocolDecoder.java b/src/main/java/org/traccar/protocol/Jt600ProtocolDecoder.java
index d745153a4..dc4bd3486 100644
--- a/src/main/java/org/traccar/protocol/Jt600ProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/Jt600ProtocolDecoder.java
@@ -1,5 +1,5 @@
/*
- * Copyright 2012 - 2019 Anton Tananaev (anton@traccar.org)
+ * Copyright 2012 - 2021 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.
@@ -87,7 +87,7 @@ public class Jt600ProtocolDecoder extends BaseProtocolDecoder {
}
static boolean isLongFormat(ByteBuf buf, int flagIndex) {
- return buf.getUnsignedByte(flagIndex) >> 4 == 0x7;
+ return buf.getUnsignedByte(flagIndex) >> 4 >= 7;
}
static void decodeBinaryLocation(ByteBuf buf, Position position) {
@@ -141,6 +141,8 @@ public class Jt600ProtocolDecoder extends BaseProtocolDecoder {
int version = BitUtil.from(buf.readUnsignedByte(), 4);
buf.readUnsignedShort(); // length
+ boolean responseRequired = false;
+
while (buf.readableBytes() > 1) {
Position position = new Position(getProtocolName());
@@ -160,6 +162,9 @@ public class Jt600ProtocolDecoder extends BaseProtocolDecoder {
position.set(Position.KEY_ALARM, BitUtil.check(status, 2) ? Position.ALARM_GEOFENCE_EXIT : null);
position.set(Position.KEY_ALARM, BitUtil.check(status, 3) ? Position.ALARM_POWER_CUT : null);
position.set(Position.KEY_ALARM, BitUtil.check(status, 4) ? Position.ALARM_VIBRATION : null);
+ if (BitUtil.check(status, 5)) {
+ responseRequired = true;
+ }
position.set(Position.KEY_BLOCKED, BitUtil.check(status, 7));
position.set(Position.KEY_ALARM, BitUtil.check(status, 8 + 3) ? Position.ALARM_LOW_BATTERY : null);
position.set(Position.KEY_ALARM, BitUtil.check(status, 8 + 6) ? Position.ALARM_FAULT : null);
@@ -176,7 +181,7 @@ public class Jt600ProtocolDecoder extends BaseProtocolDecoder {
cellTower.setSignalStrength((int) buf.readUnsignedByte());
position.setNetwork(new Network(cellTower));
- if (protocolVersion == 0x17) {
+ if (protocolVersion == 0x17 || protocolVersion == 0x19) {
buf.readUnsignedByte(); // geofence id
buf.skipBytes(3); // reserved
buf.skipBytes(buf.readableBytes() - 1);
@@ -232,7 +237,15 @@ public class Jt600ProtocolDecoder extends BaseProtocolDecoder {
}
- buf.readUnsignedByte(); // index
+ int index = buf.readUnsignedByte();
+
+ if (channel != null && responseRequired) {
+ if (protocolVersion < 0x19) {
+ channel.writeAndFlush(new NetworkMessage("(P35)", remoteAddress));
+ } else {
+ channel.writeAndFlush(new NetworkMessage("(P69,0," + index + ")", remoteAddress));
+ }
+ }
return positions;
}