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Diffstat (limited to 'src/org/traccar/protocol/Gt06ProtocolDecoder.java')
-rw-r--r--src/org/traccar/protocol/Gt06ProtocolDecoder.java141
1 files changed, 83 insertions, 58 deletions
diff --git a/src/org/traccar/protocol/Gt06ProtocolDecoder.java b/src/org/traccar/protocol/Gt06ProtocolDecoder.java
index 24bedcabf..fbd1adfc6 100644
--- a/src/org/traccar/protocol/Gt06ProtocolDecoder.java
+++ b/src/org/traccar/protocol/Gt06ProtocolDecoder.java
@@ -31,6 +31,7 @@ import org.traccar.model.CellTower;
import org.traccar.model.Device;
import org.traccar.model.Network;
import org.traccar.model.Position;
+import org.traccar.model.WifiAccessPoint;
import java.net.SocketAddress;
import java.nio.charset.StandardCharsets;
@@ -68,6 +69,8 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
public static final int MSG_GPS_LBS_STATUS_1 = 0x16;
public static final int MSG_GPS_LBS_STATUS_2 = 0x26;
public static final int MSG_GPS_LBS_STATUS_3 = 0x27;
+ public static final int MSG_LBS_MULTIPLE = 0x28;
+ public static final int MSG_LBS_WIFI = 0x2C;
public static final int MSG_LBS_PHONE = 0x17;
public static final int MSG_LBS_EXTEND = 0x18;
public static final int MSG_LBS_STATUS = 0x19;
@@ -152,9 +155,7 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
return false;
}
- int length = buf.readUnsignedByte();
- position.set(Position.KEY_SATELLITES, BitUtil.to(length, 4));
- length = BitUtil.from(length, 4);
+ position.set(Position.KEY_SATELLITES, BitUtil.to(buf.readUnsignedByte(), 4));
double latitude = buf.readUnsignedInt() / 60.0 / 30000.0;
double longitude = buf.readUnsignedInt() / 60.0 / 30000.0;
@@ -178,10 +179,6 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
position.set(Position.KEY_IGNITION, BitUtil.check(flags, 15));
}
- if (length > 0) {
- buf.skipBytes(length - 12); // skip reserved
- }
-
return true;
}
@@ -199,7 +196,7 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
buf.readUnsignedShort(), buf.readUnsignedByte(), buf.readUnsignedShort(), buf.readUnsignedMedium())));
if (length > 0) {
- buf.skipBytes(length - 8);
+ buf.skipBytes(length - (hasLength ? 9 : 8));
}
return true;
@@ -336,7 +333,6 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
String imei = ChannelBuffers.hexDump(buf.readBytes(8)).substring(1);
buf.readUnsignedShort(); // type
- // Timezone offset
if (dataLength > 10) {
int extensionBits = buf.readUnsignedShort();
int hours = (extensionBits >> 4) / 100;
@@ -391,77 +387,104 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
} else {
- Position position = new Position();
- position.setDeviceId(deviceSession.getDeviceId());
- position.setProtocol(getProtocolName());
-
- if (type == MSG_LBS_EXTEND) {
+ return decodeBasicOther(channel, buf, deviceSession, type, dataLength);
- DateBuilder dateBuilder = new DateBuilder(timeZone)
- .setDate(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte())
- .setTime(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte());
+ }
- getLastLocation(position, dateBuilder.getDate());
+ return null;
+ }
- int mcc = buf.readUnsignedShort();
- int mnc = buf.readUnsignedByte();
+ private Object decodeBasicOther(Channel channel, ChannelBuffer buf,
+ DeviceSession deviceSession, int type, int dataLength) throws Exception {
- Network network = new Network();
- for (int i = 0; i < 7; i++) {
- network.addCellTower(CellTower.from(
- mcc, mnc, buf.readUnsignedShort(), buf.readUnsignedMedium(), -buf.readUnsignedByte()));
- }
- position.setNetwork(network);
+ Position position = new Position();
+ position.setDeviceId(deviceSession.getDeviceId());
+ position.setProtocol(getProtocolName());
- } else if (type == MSG_STRING) {
+ if (type == MSG_LBS_MULTIPLE || type == MSG_LBS_EXTEND || type == MSG_LBS_WIFI) {
- getLastLocation(position, null);
+ DateBuilder dateBuilder = new DateBuilder(timeZone)
+ .setDate(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte())
+ .setTime(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte());
- int commandLength = buf.readUnsignedByte();
+ getLastLocation(position, dateBuilder.getDate());
- if (commandLength > 0) {
- buf.readUnsignedByte(); // server flag (reserved)
- position.set(Position.KEY_RESULT,
- buf.readBytes(commandLength - 1).toString(StandardCharsets.US_ASCII));
+ int mcc = buf.readUnsignedShort();
+ int mnc = buf.readUnsignedByte();
+ Network network = new Network();
+ for (int i = 0; i < 7; i++) {
+ int lac = buf.readUnsignedShort();
+ int cid = buf.readUnsignedMedium();
+ int rssi = -buf.readUnsignedByte();
+ if (lac > 0) {
+ network.addCellTower(CellTower.from(mcc, mnc, lac, cid, rssi));
}
+ }
- } else if (isSupported(type)) {
+ buf.readUnsignedByte(); // time leads
- if (hasGps(type)) {
- decodeGps(position, buf, false);
- } else {
- getLastLocation(position, null);
+ if (type != MSG_LBS_MULTIPLE) {
+ int wifiCount = buf.readUnsignedByte();
+ for (int i = 0; i < wifiCount; i++) {
+ String mac = ChannelBuffers.hexDump(buf.readBytes(6)).replaceAll("(..)", "$1:");
+ network.addWifiAccessPoint(WifiAccessPoint.from(
+ mac.substring(0, mac.length() - 1), buf.readUnsignedByte()));
}
+ }
- if (hasLbs(type)) {
- decodeLbs(position, buf, hasStatus(type));
- }
+ position.setNetwork(network);
- if (hasStatus(type)) {
- decodeStatus(position, buf);
- }
+ } else if (type == MSG_STRING) {
- if (type == MSG_GPS_LBS_1 && buf.readableBytes() == 4 + 6) {
- position.set(Position.KEY_ODOMETER, buf.readUnsignedInt());
- }
+ getLastLocation(position, null);
+ int commandLength = buf.readUnsignedByte();
+
+ if (commandLength > 0) {
+ buf.readUnsignedByte(); // server flag (reserved)
+ position.set(Position.KEY_RESULT,
+ buf.readBytes(commandLength - 1).toString(StandardCharsets.US_ASCII));
+ }
+
+ } else if (isSupported(type)) {
+
+ if (hasGps(type)) {
+ decodeGps(position, buf, false);
} else {
+ getLastLocation(position, null);
+ }
- buf.skipBytes(dataLength);
- if (type != MSG_COMMAND_0 && type != MSG_COMMAND_1 && type != MSG_COMMAND_2) {
- sendResponse(channel, false, type);
- }
- return null;
+ if (hasLbs(type)) {
+ decodeLbs(position, buf, hasStatus(type));
+ }
+ if (hasStatus(type)) {
+ decodeStatus(position, buf);
}
- sendResponse(channel, false, type);
+ if (type == MSG_GPS_LBS_1 && buf.readableBytes() >= 4 + 6) {
+ position.set(Position.KEY_ODOMETER, buf.readUnsignedInt());
+ }
- return position;
+ if (type == MSG_GPS_LBS_2 && 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);
+ }
+
+ } else {
+
+ buf.skipBytes(dataLength);
+ if (type != MSG_COMMAND_0 && type != MSG_COMMAND_1 && type != MSG_COMMAND_2) {
+ sendResponse(channel, false, type);
+ }
+ return null;
}
- return null;
+ sendResponse(channel, false, type);
+
+ return position;
}
private Object decodeExtended(Channel channel, SocketAddress remoteAddress, ChannelBuffer buf) throws Exception {
@@ -509,7 +532,7 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
} else if (subType == 0x05) {
int flags = buf.readUnsignedByte();
- position.set("door", BitUtil.check(flags, 0));
+ position.set(Position.KEY_DOOR, BitUtil.check(flags, 0));
position.set(Position.PREFIX_IO + 1, BitUtil.check(flags, 2));
return position;
@@ -533,7 +556,7 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
if (photo.writableBytes() > 0) {
sendPhotoRequest(channel, pictureId);
} else {
- Device device = Context.getDeviceManager().getDeviceById(deviceSession.getDeviceId());
+ Device device = Context.getDeviceManager().getById(deviceSession.getDeviceId());
Context.getMediaManager().writeFile(device.getUniqueId(), photo, "jpg");
photos.remove(pictureId);
}
@@ -544,7 +567,9 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
getLastLocation(position, position.getDeviceTime());
}
- decodeLbs(position, buf, true);
+ if (decodeLbs(position, buf, true)) {
+ position.set(Position.KEY_RSSI, buf.readUnsignedByte());
+ }
buf.skipBytes(buf.readUnsignedByte()); // additional cell towers
buf.skipBytes(buf.readUnsignedByte()); // wifi access point
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-14 01:49:55 +0000