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authorAnton Tananaev <anton@traccar.org>2022-04-24 11:00:42 -0700
committerAnton Tananaev <anton@traccar.org>2022-04-24 11:00:42 -0700
commitbf34c777de7b8b2d87f173bda03833989b848ecf (patch)
tree3bddbff634786fb6b88e4f24f4c7d32e2ddbf2a5 /src/main/java
parent91612195f286a538fb81291cb5604b329c015d64 (diff)
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Flatten GT06 decoding methods
Diffstat (limited to 'src/main/java')
-rw-r--r--src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java716
1 files changed, 326 insertions, 390 deletions
diff --git a/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java b/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java
index 6be0c73ca..325527f06 100644
--- a/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java
@@ -120,6 +120,32 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
private Variant variant;
+ private static final Pattern PATTERN_FUEL = new PatternBuilder()
+ .text("!AIOIL,")
+ .number("d+,") // device address
+ .number("d+.d+,") // output value
+ .number("(d+.d+),") // temperature
+ .expression("[^,]+,") // version
+ .number("dd") // back wave
+ .number("d") // software status code
+ .number("d,") // hardware status code
+ .number("(d+.d+),") // measured value
+ .expression("[01],") // movement status
+ .number("d+,") // excited wave times
+ .number("xx") // checksum
+ .compile();
+
+ 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 static boolean isSupported(int type) {
return hasGps(type) || hasLbs(type) || hasStatus(type);
}
@@ -318,7 +344,7 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
return true;
}
- private boolean decodeStatus(Position position, ByteBuf buf, boolean batteryLevel) {
+ private void decodeStatus(Position position, ByteBuf buf, boolean batteryLevel) {
int status = buf.readUnsignedByte();
@@ -360,8 +386,6 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
position.set(Position.KEY_POWER, buf.readUnsignedShort() * 0.01);
}
position.set(Position.KEY_RSSI, buf.readUnsignedByte());
-
- return true;
}
private String decodeAlarm(short value) {
@@ -404,72 +428,20 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
}
}
- private static final Pattern PATTERN_FUEL = new PatternBuilder()
- .text("!AIOIL,")
- .number("d+,") // device address
- .number("d+.d+,") // output value
- .number("(d+.d+),") // temperature
- .expression("[^,]+,") // version
- .number("dd") // back wave
- .number("d") // software status code
- .number("d,") // hardware status code
- .number("(d+.d+),") // measured value
- .expression("[01],") // movement status
- .number("d+,") // excited wave times
- .number("xx") // checksum
- .compile();
-
- private Position decodeFuelData(Position position, String sentence) {
- Parser parser = new Parser(PATTERN_FUEL, sentence);
- if (!parser.matches()) {
- return null;
- }
-
- position.set(Position.PREFIX_TEMP + 1, parser.nextDouble(0));
- position.set(Position.KEY_FUEL_LEVEL, parser.nextDouble(0));
-
- 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;
- }
-
private Object decodeBasic(Channel channel, SocketAddress remoteAddress, ByteBuf buf) {
int length = buf.readUnsignedByte();
int dataLength = length - 5;
int type = buf.readUnsignedByte();
+ Position position = new Position(getProtocolName());
DeviceSession deviceSession = null;
if (type != MSG_LOGIN) {
deviceSession = getDeviceSession(channel, remoteAddress);
if (deviceSession == null) {
return null;
}
+ position.setDeviceId(deviceSession.getDeviceId());
if (deviceSession.getTimeZone() == null) {
deviceSession.setTimeZone(getTimeZone(deviceSession.getDeviceId()));
}
@@ -507,10 +479,9 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
sendResponse(channel, false, type, buf.getShort(buf.writerIndex() - 6), null);
}
- } else if (type == MSG_HEARTBEAT) {
+ return null;
- Position position = new Position(getProtocolName());
- position.setDeviceId(deviceSession.getDeviceId());
+ } else if (type == MSG_HEARTBEAT) {
getLastLocation(position, null);
@@ -539,6 +510,8 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
content.writeBytes(response.getBytes(StandardCharsets.US_ASCII));
sendResponse(channel, true, MSG_ADDRESS_RESPONSE, 0, content);
+ return null;
+
} else if (type == MSG_TIME_REQUEST) {
Calendar calendar = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
@@ -551,40 +524,9 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
content.writeByte(calendar.get(Calendar.SECOND));
sendResponse(channel, false, MSG_TIME_REQUEST, 0, content);
- } else if (type == MSG_X1_GPS || type == MSG_X1_PHOTO_INFO) {
-
- return decodeX1(channel, buf, deviceSession, type);
-
- } else if (type == MSG_WIFI || type == MSG_WIFI_2 || type == MSG_WIFI_4) {
-
- return decodeWifi(channel, buf, deviceSession, type);
-
- } else if (type == MSG_INFO) {
-
- Position position = new Position(getProtocolName());
- position.setDeviceId(deviceSession.getDeviceId());
-
- getLastLocation(position, null);
-
- position.set(Position.KEY_POWER, buf.readShort() * 0.01);
-
- return position;
-
- } else {
-
- return decodeBasicOther(channel, buf, deviceSession, type, dataLength);
-
- }
-
- return null;
- }
-
- private Object decodeX1(Channel channel, ByteBuf buf, DeviceSession deviceSession, int type) {
-
- if (type == MSG_X1_GPS) {
+ return null;
- Position position = new Position(getProtocolName());
- position.setDeviceId(deviceSession.getDeviceId());
+ } else if (type == MSG_X1_GPS) {
buf.readUnsignedInt(); // data and alarm
@@ -632,84 +574,79 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
photos.put(pictureId, photo);
sendPhotoRequest(channel, pictureId);
- }
-
- return null;
- }
+ return null;
- private Object decodeWifi(Channel channel, ByteBuf buf, DeviceSession deviceSession, int type) {
+ } else if (type == MSG_WIFI || type == MSG_WIFI_2 || type == MSG_WIFI_4) {
- Position position = new Position(getProtocolName());
- position.setDeviceId(deviceSession.getDeviceId());
+ ByteBuf time = buf.readSlice(6);
+ DateBuilder dateBuilder = new DateBuilder()
+ .setYear(BcdUtil.readInteger(time, 2))
+ .setMonth(BcdUtil.readInteger(time, 2))
+ .setDay(BcdUtil.readInteger(time, 2))
+ .setHour(BcdUtil.readInteger(time, 2))
+ .setMinute(BcdUtil.readInteger(time, 2))
+ .setSecond(BcdUtil.readInteger(time, 2));
+ getLastLocation(position, dateBuilder.getDate());
- ByteBuf time = buf.readSlice(6);
- DateBuilder dateBuilder = new DateBuilder()
- .setYear(BcdUtil.readInteger(time, 2))
- .setMonth(BcdUtil.readInteger(time, 2))
- .setDay(BcdUtil.readInteger(time, 2))
- .setHour(BcdUtil.readInteger(time, 2))
- .setMinute(BcdUtil.readInteger(time, 2))
- .setSecond(BcdUtil.readInteger(time, 2));
- getLastLocation(position, dateBuilder.getDate());
-
- Network network = new Network();
-
- int wifiCount;
- if (type == MSG_WIFI_4) {
- wifiCount = buf.readUnsignedByte();
- } else {
- wifiCount = buf.getUnsignedByte(2);
- }
+ Network network = new Network();
- for (int i = 0; i < wifiCount; i++) {
+ int wifiCount;
if (type == MSG_WIFI_4) {
- buf.skipBytes(2);
+ wifiCount = buf.readUnsignedByte();
+ } else {
+ wifiCount = buf.getUnsignedByte(2);
}
- WifiAccessPoint wifiAccessPoint = new WifiAccessPoint();
- wifiAccessPoint.setMacAddress(String.format("%02x:%02x:%02x:%02x:%02x:%02x",
- buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte(),
- buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte()));
- if (type != MSG_WIFI_4) {
- wifiAccessPoint.setSignalStrength((int) buf.readUnsignedByte());
+
+ for (int i = 0; i < wifiCount; i++) {
+ if (type == MSG_WIFI_4) {
+ buf.skipBytes(2);
+ }
+ WifiAccessPoint wifiAccessPoint = new WifiAccessPoint();
+ wifiAccessPoint.setMacAddress(String.format("%02x:%02x:%02x:%02x:%02x:%02x",
+ buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte(),
+ buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte()));
+ if (type != MSG_WIFI_4) {
+ wifiAccessPoint.setSignalStrength((int) buf.readUnsignedByte());
+ }
+ network.addWifiAccessPoint(wifiAccessPoint);
}
- network.addWifiAccessPoint(wifiAccessPoint);
- }
- if (type != MSG_WIFI_4) {
+ if (type != MSG_WIFI_4) {
- int cellCount = buf.readUnsignedByte();
- int mcc = buf.readUnsignedShort();
- int mnc = buf.readUnsignedByte();
- for (int i = 0; i < cellCount; i++) {
- network.addCellTower(CellTower.from(
- mcc, mnc, buf.readUnsignedShort(), buf.readUnsignedShort(), buf.readUnsignedByte()));
- }
+ int cellCount = buf.readUnsignedByte();
+ int mcc = buf.readUnsignedShort();
+ int mnc = buf.readUnsignedByte();
+ for (int i = 0; i < cellCount; i++) {
+ network.addCellTower(CellTower.from(
+ mcc, mnc, buf.readUnsignedShort(), buf.readUnsignedShort(), buf.readUnsignedByte()));
+ }
+
+ if (channel != null) {
+ ByteBuf response = Unpooled.buffer();
+ response.writeShort(0x7878);
+ response.writeByte(0);
+ response.writeByte(type);
+ response.writeBytes(time.resetReaderIndex());
+ response.writeByte('\r');
+ response.writeByte('\n');
+ channel.writeAndFlush(new NetworkMessage(response, channel.remoteAddress()));
+ }
- if (channel != null) {
- ByteBuf response = Unpooled.buffer();
- response.writeShort(0x7878);
- response.writeByte(0);
- response.writeByte(type);
- response.writeBytes(time.resetReaderIndex());
- response.writeByte('\r');
- response.writeByte('\n');
- channel.writeAndFlush(new NetworkMessage(response, channel.remoteAddress()));
}
- }
+ position.setNetwork(network);
- position.setNetwork(network);
+ return position;
- return position;
- }
+ } else if (type == MSG_INFO) {
- private Object decodeBasicOther(
- Channel channel, ByteBuf buf, DeviceSession deviceSession, int type, int dataLength) {
+ getLastLocation(position, null);
- Position position = new Position(getProtocolName());
- position.setDeviceId(deviceSession.getDeviceId());
+ position.set(Position.KEY_POWER, buf.readShort() * 0.01);
- if (type == MSG_LBS_STATUS && dataLength >= 18) {
+ return position;
+
+ } else if (type == MSG_LBS_STATUS && dataLength >= 18) {
return null; // space10x multi-lbs message
@@ -809,15 +746,117 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
return position;
+ } else if (type == MSG_STATUS && buf.readableBytes() == 22) {
+
+ getLastLocation(position, null);
+
+ buf.readUnsignedByte(); // information content
+ buf.readUnsignedShort(); // satellites
+ buf.readUnsignedByte(); // alarm
+ buf.readUnsignedByte(); // language
+
+ position.set(Position.KEY_BATTERY_LEVEL, buf.readUnsignedByte());
+
+ buf.readUnsignedByte(); // working mode
+ buf.readUnsignedShort(); // working voltage
+ buf.readUnsignedByte(); // reserved
+ buf.readUnsignedShort(); // working times
+ buf.readUnsignedShort(); // working time
+
+ int value = buf.readUnsignedShort();
+ double temperature = BitUtil.to(value, 15) * 0.1;
+ position.set(Position.PREFIX_TEMP + 1, BitUtil.check(value, 15) ? temperature : -temperature);
+
} else if (isSupported(type)) {
- if (type == MSG_STATUS && buf.readableBytes() == 22) {
- decodeHeartbeat(buf, position);
+ if (hasGps(type)) {
+ decodeGps(position, buf, false, deviceSession.getTimeZone());
} else {
- decodeBasicUniversal(buf, deviceSession, type, position);
+ getLastLocation(position, null);
+ }
+
+ if (hasLbs(type)) {
+ decodeLbs(position, buf, type, hasStatus(type));
+ }
+
+ if (hasStatus(type)) {
+ decodeStatus(position, buf, true);
+ position.set(Position.KEY_ALARM, decodeAlarm(buf.readUnsignedByte()));
+ }
+
+ 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 {
+ 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);
+ }
+ }
+
+ if ((type == MSG_GPS_LBS_2 || type == MSG_GPS_LBS_3 || type == MSG_GPS_LBS_4)
+ && buf.readableBytes() >= 3 + 6) {
+ position.set(Position.KEY_IGNITION, buf.readUnsignedByte() > 0);
+ position.set(Position.KEY_EVENT, buf.readUnsignedByte()); // reason
+ position.set(Position.KEY_ARCHIVE, buf.readUnsignedByte() > 0);
+ }
+
+ if (type == MSG_GPS_LBS_3) {
+ int module = buf.readUnsignedShort();
+ int subLength = buf.readUnsignedByte();
+ switch (module) {
+ case 0x0027:
+ position.set(Position.KEY_POWER, buf.readUnsignedShort() * 0.01);
+ break;
+ case 0x002E:
+ position.set(Position.KEY_ODOMETER, buf.readUnsignedInt());
+ break;
+ case 0x003B:
+ position.setAccuracy(buf.readUnsignedShort() * 0.01);
+ break;
+ default:
+ buf.skipBytes(subLength);
+ break;
+ }
+ }
+
+ if (buf.readableBytes() == 4 + 6) {
+ position.set(Position.KEY_ODOMETER, buf.readUnsignedInt());
}
} else if (type == MSG_ALARM) {
+
boolean extendedAlarm = dataLength > 7;
if (extendedAlarm) {
decodeGps(position, buf, false, false, false, deviceSession.getTimeZone());
@@ -854,6 +893,7 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
position.set(Position.KEY_ALARM, Position.ALARM_GENERAL);
break;
}
+
} else {
if (dataLength > 0) {
@@ -879,117 +919,6 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
return position;
}
- private void decodeHeartbeat(ByteBuf buf, Position position) {
-
- getLastLocation(position, null);
-
- buf.readUnsignedByte(); // information content
- buf.readUnsignedShort(); // satellites
- buf.readUnsignedByte(); // alarm
- buf.readUnsignedByte(); // language
-
- position.set(Position.KEY_BATTERY_LEVEL, buf.readUnsignedByte());
-
- buf.readUnsignedByte(); // working mode
- buf.readUnsignedShort(); // working voltage
- buf.readUnsignedByte(); // reserved
- buf.readUnsignedShort(); // working times
- buf.readUnsignedShort(); // working time
-
- int value = buf.readUnsignedShort();
- double temperature = BitUtil.to(value, 15) * 0.1;
- position.set(Position.PREFIX_TEMP + 1, BitUtil.check(value, 15) ? temperature : -temperature);
-
- }
-
- private void decodeBasicUniversal(ByteBuf buf, DeviceSession deviceSession, int type, Position position) {
-
- if (hasGps(type)) {
- decodeGps(position, buf, false, deviceSession.getTimeZone());
- } else {
- getLastLocation(position, null);
- }
-
- if (hasLbs(type)) {
- decodeLbs(position, buf, type, hasStatus(type));
- }
-
- if (hasStatus(type)) {
- decodeStatus(position, buf, true);
- position.set(Position.KEY_ALARM, decodeAlarm(buf.readUnsignedByte()));
- }
-
- 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 {
- 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);
- }
- }
-
- if ((type == MSG_GPS_LBS_2 || type == MSG_GPS_LBS_3 || type == MSG_GPS_LBS_4) && buf.readableBytes() >= 3 + 6) {
- position.set(Position.KEY_IGNITION, buf.readUnsignedByte() > 0);
- position.set(Position.KEY_EVENT, buf.readUnsignedByte()); // reason
- position.set(Position.KEY_ARCHIVE, buf.readUnsignedByte() > 0);
- }
-
- if (type == MSG_GPS_LBS_3) {
- int module = buf.readUnsignedShort();
- int length = buf.readUnsignedByte();
- switch (module) {
- case 0x0027:
- position.set(Position.KEY_POWER, buf.readUnsignedShort() * 0.01);
- break;
- case 0x002E:
- position.set(Position.KEY_ODOMETER, buf.readUnsignedInt());
- break;
- case 0x003B:
- position.setAccuracy(buf.readUnsignedShort() * 0.01);
- break;
- default:
- buf.skipBytes(length);
- break;
- }
- }
-
- if (buf.readableBytes() == 4 + 6) {
- position.set(Position.KEY_ODOMETER, buf.readUnsignedInt());
- }
- }
-
private Object decodeExtended(Channel channel, SocketAddress remoteAddress, ByteBuf buf) {
DeviceSession deviceSession = getDeviceSession(channel, remoteAddress);
@@ -1017,7 +946,16 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
data = buf.readSlice(buf.readableBytes() - 6).toString(StandardCharsets.UTF_16BE);
}
- if (decodeLocationString(position, data) == null) {
+ Parser parser = new Parser(PATTERN_LOCATION, data);
+
+ if (parser.matches()) {
+ 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));
+ } else {
getLastLocation(position, null);
position.set(Position.KEY_RESULT, data);
}
@@ -1031,31 +969,50 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
getLastLocation(position, null);
if (subType == 0x00) {
+
position.set(Position.PREFIX_ADC + 1, buf.readUnsignedShort() * 0.01);
return position;
+
} else if (subType == 0x05) {
+
int flags = buf.readUnsignedByte();
position.set(Position.KEY_DOOR, BitUtil.check(flags, 0));
position.set(Position.PREFIX_IO + 1, BitUtil.check(flags, 2));
return position;
+
} else if (subType == 0x0a) {
+
buf.skipBytes(8); // imei
buf.skipBytes(8); // imsi
position.set(Position.KEY_ICCID, ByteBufUtil.hexDump(buf.readSlice(10)).replaceAll("f", ""));
return position;
+
} else if (subType == 0x0d) {
+
if (buf.getByte(buf.readerIndex()) != '!') {
buf.skipBytes(6);
}
- return decodeFuelData(position, buf.toString(
+
+ Parser parser = new Parser(PATTERN_FUEL, buf.toString(
buf.readerIndex(), buf.readableBytes() - 4 - 2, StandardCharsets.US_ASCII));
+ if (!parser.matches()) {
+ return null;
+ }
+
+ position.set(Position.PREFIX_TEMP + 1, parser.nextDouble(0));
+ position.set(Position.KEY_FUEL_LEVEL, parser.nextDouble(0));
+
+ return position;
+
} else if (subType == 0x1b) {
+
buf.readUnsignedByte(); // header
buf.readUnsignedByte(); // type
position.set(Position.KEY_DRIVER_UNIQUE_ID, ByteBufUtil.hexDump(buf.readSlice(4)));
buf.readUnsignedByte(); // checksum
buf.readUnsignedByte(); // footer
return position;
+
}
} else if (type == MSG_X1_PHOTO_DATA) {
@@ -1170,132 +1127,111 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
} else if (type == MSG_GPS_MODULAR) {
- return decodeExtendedModular(channel, buf, deviceSession);
-
- } else {
-
- return decodeExtendedOther(channel, buf, deviceSession, type);
-
- }
-
- return null;
- }
-
- private Object decodeExtendedModular(Channel channel, ByteBuf buf, DeviceSession deviceSession) {
-
- Position position = new Position(getProtocolName());
- position.setDeviceId(deviceSession.getDeviceId());
-
- while (buf.readableBytes() > 6) {
- int moduleType = buf.readUnsignedShort();
- int moduleLength = buf.readUnsignedShort();
+ while (buf.readableBytes() > 6) {
+ int moduleType = buf.readUnsignedShort();
+ int moduleLength = buf.readUnsignedShort();
- switch (moduleType) {
- case 0x03:
- position.set(Position.KEY_ICCID, ByteBufUtil.hexDump(buf.readSlice(10)));
- break;
- case 0x09:
- position.set(Position.KEY_SATELLITES, buf.readUnsignedByte());
- break;
- case 0x0a:
- position.set(Position.KEY_SATELLITES_VISIBLE, buf.readUnsignedByte());
- break;
- case 0x11:
- CellTower cellTower = CellTower.from(
- buf.readUnsignedShort(),
- buf.readUnsignedShort(),
- buf.readUnsignedShort(),
- buf.readUnsignedMedium(),
- buf.readUnsignedByte());
- if (cellTower.getCellId() > 0) {
- position.setNetwork(new Network(cellTower));
- }
- break;
- case 0x18:
- position.set(Position.KEY_BATTERY, buf.readUnsignedShort() * 0.01);
- break;
- case 0x28:
- position.set(Position.KEY_HDOP, buf.readUnsignedByte() * 0.1);
- break;
- case 0x29:
- position.set(Position.KEY_INDEX, buf.readUnsignedInt());
- break;
- case 0x2a:
- int input = buf.readUnsignedByte();
- position.set(Position.KEY_DOOR, BitUtil.to(input, 4) > 0);
- position.set("tamper", BitUtil.from(input, 4) > 0);
- break;
- case 0x2b:
- int event = buf.readUnsignedByte();
- switch (event) {
- case 0x11:
- position.set(Position.KEY_ALARM, Position.ALARM_LOW_BATTERY);
- break;
- case 0x12:
- position.set(Position.KEY_ALARM, Position.ALARM_LOW_POWER);
- break;
- case 0x13:
- position.set(Position.KEY_ALARM, Position.ALARM_POWER_CUT);
- break;
- case 0x14:
- position.set(Position.KEY_ALARM, Position.ALARM_REMOVING);
- break;
- default:
- break;
- }
- position.set(Position.KEY_EVENT, event);
- break;
- case 0x2e:
- position.set(Position.KEY_ODOMETER, buf.readUnsignedIntLE());
- break;
- case 0x33:
- position.setTime(new Date(buf.readUnsignedInt() * 1000));
- position.set(Position.KEY_SATELLITES, buf.readUnsignedByte());
- position.setAltitude(buf.readShort());
-
- double latitude = buf.readUnsignedInt() / 60.0 / 30000.0;
- double longitude = buf.readUnsignedInt() / 60.0 / 30000.0;
- position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedByte()));
-
- int flags = buf.readUnsignedShort();
- position.setCourse(BitUtil.to(flags, 10));
- position.setValid(BitUtil.check(flags, 12));
-
- if (!BitUtil.check(flags, 10)) {
- latitude = -latitude;
- }
- if (BitUtil.check(flags, 11)) {
- longitude = -longitude;
- }
-
- position.setLatitude(latitude);
- position.setLongitude(longitude);
- break;
- case 0x34:
- position.set(Position.KEY_EVENT, buf.readUnsignedByte());
- buf.readUnsignedIntLE(); // time
- buf.skipBytes(buf.readUnsignedByte()); // content
- break;
- default:
- buf.skipBytes(moduleLength);
- break;
+ switch (moduleType) {
+ case 0x03:
+ position.set(Position.KEY_ICCID, ByteBufUtil.hexDump(buf.readSlice(10)));
+ break;
+ case 0x09:
+ position.set(Position.KEY_SATELLITES, buf.readUnsignedByte());
+ break;
+ case 0x0a:
+ position.set(Position.KEY_SATELLITES_VISIBLE, buf.readUnsignedByte());
+ break;
+ case 0x11:
+ CellTower cellTower = CellTower.from(
+ buf.readUnsignedShort(),
+ buf.readUnsignedShort(),
+ buf.readUnsignedShort(),
+ buf.readUnsignedMedium(),
+ buf.readUnsignedByte());
+ if (cellTower.getCellId() > 0) {
+ position.setNetwork(new Network(cellTower));
+ }
+ break;
+ case 0x18:
+ position.set(Position.KEY_BATTERY, buf.readUnsignedShort() * 0.01);
+ break;
+ case 0x28:
+ position.set(Position.KEY_HDOP, buf.readUnsignedByte() * 0.1);
+ break;
+ case 0x29:
+ position.set(Position.KEY_INDEX, buf.readUnsignedInt());
+ break;
+ case 0x2a:
+ int input = buf.readUnsignedByte();
+ position.set(Position.KEY_DOOR, BitUtil.to(input, 4) > 0);
+ position.set("tamper", BitUtil.from(input, 4) > 0);
+ break;
+ case 0x2b:
+ int event = buf.readUnsignedByte();
+ switch (event) {
+ case 0x11:
+ position.set(Position.KEY_ALARM, Position.ALARM_LOW_BATTERY);
+ break;
+ case 0x12:
+ position.set(Position.KEY_ALARM, Position.ALARM_LOW_POWER);
+ break;
+ case 0x13:
+ position.set(Position.KEY_ALARM, Position.ALARM_POWER_CUT);
+ break;
+ case 0x14:
+ position.set(Position.KEY_ALARM, Position.ALARM_REMOVING);
+ break;
+ default:
+ break;
+ }
+ position.set(Position.KEY_EVENT, event);
+ break;
+ case 0x2e:
+ position.set(Position.KEY_ODOMETER, buf.readUnsignedIntLE());
+ break;
+ case 0x33:
+ position.setTime(new Date(buf.readUnsignedInt() * 1000));
+ position.set(Position.KEY_SATELLITES, buf.readUnsignedByte());
+ position.setAltitude(buf.readShort());
+
+ double latitude = buf.readUnsignedInt() / 60.0 / 30000.0;
+ double longitude = buf.readUnsignedInt() / 60.0 / 30000.0;
+ position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedByte()));
+
+ int flags = buf.readUnsignedShort();
+ position.setCourse(BitUtil.to(flags, 10));
+ position.setValid(BitUtil.check(flags, 12));
+
+ if (!BitUtil.check(flags, 10)) {
+ latitude = -latitude;
+ }
+ if (BitUtil.check(flags, 11)) {
+ longitude = -longitude;
+ }
+
+ position.setLatitude(latitude);
+ position.setLongitude(longitude);
+ break;
+ case 0x34:
+ position.set(Position.KEY_EVENT, buf.readUnsignedByte());
+ buf.readUnsignedIntLE(); // time
+ buf.skipBytes(buf.readUnsignedByte()); // content
+ break;
+ default:
+ buf.skipBytes(moduleLength);
+ break;
+ }
}
- }
- if (position.getFixTime() == null) {
- getLastLocation(position, null);
- }
-
- sendResponse(channel, false, MSG_GPS_MODULAR, buf.readUnsignedShort(), null);
-
- return position;
- }
+ if (position.getFixTime() == null) {
+ getLastLocation(position, null);
+ }
- private Object decodeExtendedOther(Channel channel, ByteBuf buf, DeviceSession deviceSession, int type) {
+ sendResponse(channel, false, MSG_GPS_MODULAR, buf.readUnsignedShort(), null);
- Position position = null;
+ return position;
- if (type == MSG_MULTIMEDIA || type == MSG_MULTIMEDIA_2) {
+ } else if (type == MSG_MULTIMEDIA || type == MSG_MULTIMEDIA_2) {
buf.skipBytes(8); // serial number
long timestamp = buf.readUnsignedInt() * 1000;