def get_agps_from_ublox(self):
LON_LAT = GATEWAY.LON_LAT
for key, lon_lat in LON_LAT.items():
u_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
try:
request = "cmd=aid;user=%s;pwd=%s;lat=%s;lon=%s;pacc=%s\n" % (
ConfHelper.UBLOX_CONF.user,
ConfHelper.UBLOX_CONF.pwd,
lon_lat[1],
lon_lat[0],
ConfHelper.UBLOX_CONF.pacc)
u_socket.connect((ConfHelper.UBLOX_CONF.host, int(ConfHelper.UBLOX_CONF.port)))
u_socket.send(request)
agps_data = self.recv_ublox(u_socket)
agps_key = get_agps_data_key(key)
if agps_data:
self.redis.set(agps_key, base64.b64encode(agps_data))
logging.info("[AGPS] Get agps data [%s] from ublox success.", key)
else:
self.redis.delete(agps_key)
logging.info("[AGPS] Get agps data [%s] from ublox faild.", key)
except:
logging.exception("[AGPS] Get agps from u-blox exception.")
finally:
try:
u_socket.close()
except:
logging.exception("[AGPS] U-blox socket close exception.")
time.sleep(10)
def get_agps_from_redis(self, agps):
try:
logging.info("[AGPS] Terminal lon=%s, lat=%s", agps.lon, agps.lat)
partition_key = self.get_partition_key(float(agps.lon), float(agps.lat))
agps_key = get_agps_data_key(partition_key)
agps_data = self.redis.get(agps_key)
agps_data = agps_data if agps_data else ""
return agps_data
except:
logging.exception("[AGPS] Get agps from redis exception.")
return ""
