diff options
Diffstat (limited to 'src/main/java/org/traccar/protocol/Xexun2ProtocolDecoder.java')
| -rw-r--r-- | src/main/java/org/traccar/protocol/Xexun2ProtocolDecoder.java | 46 |
1 files changed, 37 insertions, 9 deletions
diff --git a/src/main/java/org/traccar/protocol/Xexun2ProtocolDecoder.java b/src/main/java/org/traccar/protocol/Xexun2ProtocolDecoder.java index 766a3f05b..913dfaf28 100644 --- a/src/main/java/org/traccar/protocol/Xexun2ProtocolDecoder.java +++ b/src/main/java/org/traccar/protocol/Xexun2ProtocolDecoder.java @@ -20,10 +20,11 @@ import io.netty.buffer.ByteBufUtil; import io.netty.buffer.Unpooled; import io.netty.channel.Channel; import org.traccar.BaseProtocolDecoder; -import org.traccar.DeviceSession; +import org.traccar.session.DeviceSession; import org.traccar.NetworkMessage; import org.traccar.Protocol; import org.traccar.helper.BitUtil; +import org.traccar.helper.Checksum; import org.traccar.helper.UnitsConverter; import org.traccar.model.CellTower; import org.traccar.model.Network; @@ -41,13 +42,14 @@ public class Xexun2ProtocolDecoder extends BaseProtocolDecoder { super(protocol); } + public static final int FLAG = 0xfaaf; + public static final int MSG_COMMAND = 0x07; public static final int MSG_POSITION = 0x14; private void sendResponse(Channel channel, int type, int index, ByteBuf imei) { if (channel != null) { ByteBuf response = Unpooled.buffer(); - response.writeByte(0xfa); - response.writeByte(0xaf); + response.writeShort(FLAG); response.writeShort(type); response.writeShort(index); @@ -56,8 +58,7 @@ public class Xexun2ProtocolDecoder extends BaseProtocolDecoder { response.writeShort(0xfffe); // checksum response.writeByte(1); // response - response.writeByte(0xfa); - response.writeByte(0xaf); + response.writeShort(FLAG); channel.writeAndFlush(new NetworkMessage(response, channel.remoteAddress())); } @@ -67,6 +68,9 @@ public class Xexun2ProtocolDecoder extends BaseProtocolDecoder { if (BitUtil.check(value, 0)) { return Position.ALARM_SOS; } + if (BitUtil.check(value, 1)) { + return Position.ALARM_REMOVING; + } if (BitUtil.check(value, 15)) { return Position.ALARM_FALL_DOWN; } @@ -96,10 +100,16 @@ public class Xexun2ProtocolDecoder extends BaseProtocolDecoder { return null; } - sendResponse(channel, type, index, imei); + int payloadSize = buf.readUnsignedShort() & 0x03ff; + int checksum = buf.readUnsignedShort(); + + if (checksum != Checksum.ip(buf.nioBuffer(buf.readerIndex(), payloadSize))) { + return null; + } - buf.readUnsignedShort(); // attributes - buf.readUnsignedShort(); // checksum + if (type != MSG_COMMAND) { + sendResponse(channel, type, index, imei); + } if (type == MSG_POSITION) { List<Integer> lengths = new ArrayList<>(); @@ -173,7 +183,25 @@ public class Xexun2ProtocolDecoder extends BaseProtocolDecoder { position.set(Position.KEY_SATELLITES, buf.readUnsignedByte()); position.setLongitude(convertCoordinate(buf.readDouble())); position.setLatitude(convertCoordinate(buf.readDouble())); - + } + if (BitUtil.check(positionMask, 7)) { + int dataLength = buf.readUnsignedShort(); + if (dataLength > 0) { + int dataType = buf.readUnsignedByte(); + int dataEndIndex = buf.readerIndex() + buf.readUnsignedShort(); + if (dataType == 'G') { + position.setFixTime(position.getDeviceTime()); + position.setLongitude(convertCoordinate(buf.readDouble())); + position.setLatitude(convertCoordinate(buf.readDouble())); + position.setValid(buf.readUnsignedByte() > 0); + position.set(Position.KEY_SATELLITES, buf.readUnsignedByte()); + buf.readUnsignedByte(); // satellite signal-to-noise ratio + position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedShort() * 0.1)); + position.setCourse(buf.readUnsignedShort() * 0.1); + position.setAltitude(buf.readFloat()); + } + buf.readerIndex(dataEndIndex); + } } } if (BitUtil.check(mask, 3)) { |