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authorAnton Tananaev <anton.tananaev@gmail.com>2017-05-29 07:30:35 +1200
committerAnton Tananaev <anton.tananaev@gmail.com>2017-05-29 07:30:35 +1200
commit8e85055a38ed46d6f4d29f5e96adc8af4252bc7b (patch)
tree4061f6fcecc92ebcca77cd0cd92fef6e60d4a8f1 /src
parentf2bcffcd0114b053e461257924eb687970766b5f (diff)
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Implement GT06 string format
Diffstat (limited to 'src')
-rw-r--r--src/org/traccar/protocol/Gt06ProtocolDecoder.java52
1 files changed, 47 insertions, 5 deletions
diff --git a/src/org/traccar/protocol/Gt06ProtocolDecoder.java b/src/org/traccar/protocol/Gt06ProtocolDecoder.java
index ef2237ad1..261278539 100644
--- a/src/org/traccar/protocol/Gt06ProtocolDecoder.java
+++ b/src/org/traccar/protocol/Gt06ProtocolDecoder.java
@@ -70,6 +70,7 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
public static final int MSG_COMMAND_1 = 0x81;
public static final int MSG_COMMAND_2 = 0x82;
public static final int MSG_INFO = 0x94;
+ public static final int MSG_STRING_INFO = 0x21;
private static boolean isSupported(int type) {
return hasGps(type) || hasLbs(type) || hasStatus(type);
@@ -238,6 +239,33 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
return position;
}
+ private static final Pattern PATTERN_LOCATION = new PatternBuilder()
+ .text("Current position!")
+ .number("Lat:([NS])(d+.d+),") // latitude
+ .number("Lon:([EW])(d+.d+),") // longitude
+ .text("Course:").number("(d+.d+),") // course
+ .text("Speed:").number("(d+.d+),") // speed
+ .text("DateTime:")
+ .number("(dddd)-(dd)-(dd) ") // date
+ .number("(dd):(dd):(dd)") // time
+ .compile();
+
+ private Position decodeLocationString(Position position, String sentence) {
+ Parser parser = new Parser(PATTERN_LOCATION, sentence);
+ if (!parser.matches()) {
+ return null;
+ }
+
+ position.setValid(true);
+ position.setLatitude(parser.nextCoordinate(Parser.CoordinateFormat.HEM_DEG));
+ position.setLongitude(parser.nextCoordinate(Parser.CoordinateFormat.HEM_DEG));
+ position.setCourse(parser.nextDouble());
+ position.setSpeed(parser.nextDouble());
+ position.setTime(parser.nextDateTime(Parser.DateTimeFormat.YMD_HMS));
+
+ return position;
+ }
+
protected Object decodeBasic(Channel channel, SocketAddress remoteAddress, ChannelBuffer buf) throws Exception {
int length = buf.readUnsignedByte();
@@ -358,15 +386,28 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
return null;
}
+ Position position = new Position();
+ position.setDeviceId(deviceSession.getDeviceId());
+ position.setProtocol(getProtocolName());
+
buf.readUnsignedShort(); // length
int type = buf.readUnsignedByte();
- if (type == MSG_INFO) {
- int subType = buf.readUnsignedByte();
+ if (type == MSG_STRING_INFO) {
- Position position = new Position();
- position.setDeviceId(deviceSession.getDeviceId());
- position.setProtocol(getProtocolName());
+ buf.readUnsignedInt(); // server flag
+ String data;
+ if (buf.readUnsignedByte() == 1) {
+ data = buf.readBytes(buf.readableBytes() - 6).toString(StandardCharsets.US_ASCII);
+ } else {
+ data = buf.readBytes(buf.readableBytes() - 6).toString(StandardCharsets.UTF_16BE);
+ }
+
+ return decodeLocationString(position, data);
+
+ } else if (type == MSG_INFO) {
+
+ int subType = buf.readUnsignedByte();
getLastLocation(position, null);
@@ -389,6 +430,7 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
buf.readerIndex(), buf.readableBytes() - 4 - 2, StandardCharsets.US_ASCII));
}
+
}
return null;