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authorAnton Tananaev <anton.tananaev@gmail.com>2020-02-10 23:10:23 -0800
committerAnton Tananaev <anton.tananaev@gmail.com>2020-02-10 23:10:23 -0800
commit83618b94c380b2f31b65eba20ee295c824cd2726 (patch)
tree575b3e7f5ec9fce0d05cc34d23de488708782f86 /src/main/java/org
parentf144438bdcf1385d8f3e9dbd42b9b90e28f750e4 (diff)
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Fix response message
Diffstat (limited to 'src/main/java/org')
-rw-r--r--src/main/java/org/traccar/protocol/GatorProtocolDecoder.java21
1 files changed, 11 insertions, 10 deletions
diff --git a/src/main/java/org/traccar/protocol/GatorProtocolDecoder.java b/src/main/java/org/traccar/protocol/GatorProtocolDecoder.java
index 043839be9..cce23288a 100644
--- a/src/main/java/org/traccar/protocol/GatorProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/GatorProtocolDecoder.java
@@ -1,5 +1,5 @@
/*
- * Copyright 2013 - 2019 Anton Tananaev (anton@traccar.org)
+ * Copyright 2013 - 2020 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.
@@ -23,6 +23,7 @@ import org.traccar.DeviceSession;
import org.traccar.NetworkMessage;
import org.traccar.Protocol;
import org.traccar.helper.BcdUtil;
+import org.traccar.helper.Checksum;
import org.traccar.helper.DateBuilder;
import org.traccar.helper.UnitsConverter;
import org.traccar.model.Position;
@@ -58,16 +59,16 @@ public class GatorProtocolDecoder extends BaseProtocolDecoder {
return String.format("%02d%02d%02d%02d%02d", d1, d2, d3, d4, d5);
}
- private void sendResponse(Channel channel, SocketAddress remoteAddress, byte calibration) {
+ private void sendResponse(Channel channel, SocketAddress remoteAddress, int type, int checksum) {
if (channel != null) {
ByteBuf response = Unpooled.buffer();
- response.writeByte(0x24); response.writeByte(0x24); // header
- response.writeByte(MSG_HEARTBEAT); // size
- response.writeShort(5);
- response.writeByte(calibration);
- response.writeByte(0); // main order
- response.writeByte(0); // slave order
- response.writeByte(1); // calibration
+ response.writeShort(0x2424); // header
+ response.writeByte(MSG_HEARTBEAT);
+ response.writeShort(5); // length
+ response.writeByte(checksum);
+ response.writeByte(type);
+ response.writeByte(0); // subtype
+ response.writeByte(Checksum.sum(response.nioBuffer(2, response.writerIndex())));
response.writeByte(0x0D);
channel.writeAndFlush(new NetworkMessage(response, remoteAddress));
}
@@ -87,7 +88,7 @@ public class GatorProtocolDecoder extends BaseProtocolDecoder {
buf.readUnsignedByte(), buf.readUnsignedByte(),
buf.readUnsignedByte(), buf.readUnsignedByte());
- sendResponse(channel, remoteAddress, buf.getByte(buf.writerIndex() - 2));
+ sendResponse(channel, remoteAddress, type, buf.getByte(buf.writerIndex() - 2));
if (type == MSG_POSITION_DATA || type == MSG_ROLLCALL_RESPONSE
|| type == MSG_ALARM_DATA || type == MSG_BLIND_AREA) {