X-Git-Url: http://average.org/gitweb/?a=blobdiff_plain;f=gps303%2Fgps303proto.py;h=0d02b082c18688777aa9fa4a7bbbbc0ae3727276;hb=9bdfa9b4a1890f81c4ef1d37db68e81bb17a1b14;hp=2d777d94fa5bfbec0b4c4b15192a0a56f9427954;hpb=f075dbd6eea0e7326d68fd15a103d668baf67c10;p=loctrkd.git diff --git a/gps303/gps303proto.py b/gps303/gps303proto.py index 2d777d9..0d02b08 100755 --- a/gps303/gps303proto.py +++ b/gps303/gps303proto.py @@ -85,6 +85,10 @@ class DecodeError(Exception): setattr(self, k, v) +def maybe_int(x: Optional[int]) -> Optional[int]: + return None if x is None else int(x) + + def intx(x: Union[str, int]) -> int: if isinstance(x, str): x = int(x, 0) @@ -311,10 +315,16 @@ class LOGIN(GPS303Pkt): PROTO = 0x01 RESPOND = Respond.INL # Default response for ACK, can also respond with STOP_UPLOAD + IN_KWARGS = (("imei", str, "0000000000000000"), ("ver", int, 0)) def in_decode(self, length: int, payload: bytes) -> None: - self.imei = payload[:16].hex() - self.ver = payload[16] + self.imei = payload[:8].ljust(8, b"\0").hex() + self.ver = payload[8] + + def in_encode(self) -> bytes: + return bytes.fromhex(self.imei).ljust(8, b"\0")[:8] + pack( + "B", self.ver + ) class SUPERVISION(GPS303Pkt): @@ -374,6 +384,13 @@ class GPS_OFFLINE_POSITIONING(_GPS_POSITIONING): class STATUS(GPS303Pkt): PROTO = 0x13 RESPOND = Respond.EXT + IN_KWARGS = ( + ("batt", int, 100), + ("ver", int, 0), + ("timezone", int, 0), + ("intvl", int, 0), + ("signal", maybe_int, None), + ) OUT_KWARGS = (("upload_interval", int, 25),) def in_decode(self, length: int, payload: bytes) -> None: @@ -385,6 +402,13 @@ class STATUS(GPS303Pkt): else: self.signal = None + def in_encode(self) -> bytes: + return ( + pack("BBBB", self.batt, self.ver, self.timezone, self.intvl) + b"" + if self.signal is None + else pack("B", self.signal) + ) + def out_encode(self) -> bytes: # Set interval in minutes return pack("B", self.upload_interval) @@ -392,6 +416,9 @@ class STATUS(GPS303Pkt): class HIBERNATION(GPS303Pkt): # Server can send to send devicee to sleep PROTO = 0x14 + def in_encode(self) -> bytes: + return b"" + class RESET(GPS303Pkt): # Device sends when it got reset SMS