from logging import getLogger
from os import umask
from struct import pack
+from typing import cast, List, Tuple
import zmq
from . import common
-from .zmsg import Bcast, Report, Resp, topic
+from .common import CoordReport, HintReport, StatusReport, Report
+from .zmsg import Bcast, Rept, Resp, topic
log = getLogger("loctrkd/rectifier")
+class QryModule:
+ @staticmethod
+ def init(conf: ConfigParser) -> None:
+ ...
+
+ @staticmethod
+ def shut() -> None:
+ ...
+
+ @staticmethod
+ def lookup(
+ mcc: int,
+ mnc: int,
+ gsm_cells: List[Tuple[int, int, int]],
+ wifi_aps: List[Tuple[str, int]],
+ ) -> Tuple[float, float]:
+ ...
+
+
def runserver(conf: ConfigParser) -> None:
- qry = import_module("." + conf.get("rectifier", "lookaside"), __package__)
+ qry = cast(
+ QryModule,
+ import_module("." + conf.get("rectifier", "lookaside"), __package__),
+ )
qry.init(conf)
proto_needanswer = dict(common.exposed_protos())
# Is this https://github.com/zeromq/pyzmq/issues/1627 still not fixed?!
zpush = zctx.socket(zmq.PUSH) # type: ignore
zpush.connect(conf.get("collector", "listenurl"))
zpub = zctx.socket(zmq.PUB) # type: ignore
- zpub.connect(conf.get("rectifier", "publishurl"))
+ zpub.bind(conf.get("rectifier", "publishurl"))
try:
while True:
datetime.fromtimestamp(zmsg.when).astimezone(tz=timezone.utc),
msg,
)
- rect = msg.rectified()
+ rect: Report = msg.rectified()
log.debug("rectified: %s", rect)
- if rect.type == "approximate_location":
+ if isinstance(rect, (CoordReport, StatusReport)):
+ zpub.send(Rept(imei=zmsg.imei, payload=rect.json).packed)
+ elif isinstance(rect, HintReport):
try:
lat, lon = qry.lookup(
- rect.mcc, rect.mnc, rect.base_stations, rect.wifi_aps
- )
- resp = Resp(
- imei=zmsg.imei,
- when=zmsg.when, # not the current time, but the original!
- packet=msg.Out(latitude=lat, longitude=lon).packed,
+ rect.mcc,
+ rect.mnc,
+ rect.gsm_cells,
+ list((mac, strng) for _, mac, strng in rect.wifi_aps),
)
log.debug(
- "Response for lat=%s, lon=%s: %s", lat, lon, resp
+ "Approximated lat=%s, lon=%s for %s", lat, lon, rect
+ )
+ if proto_needanswer.get(zmsg.proto, False):
+ resp = Resp(
+ imei=zmsg.imei,
+ when=zmsg.when, # not the current time, but the original!
+ packet=msg.Out(latitude=lat, longitude=lon).packed,
+ )
+ log.debug("Sending reponse %s", resp)
+ zpush.send(resp.packed)
+ rept = CoordReport(
+ devtime=rect.devtime,
+ battery_percentage=rect.battery_percentage,
+ accuracy=None,
+ altitude=None,
+ speed=None,
+ direction=None,
+ latitude=lat,
+ longitude=lon,
+ )
+ log.debug("Sending report %s", rept)
+ zpub.send(
+ Rept(
+ imei=zmsg.imei,
+ payload=rept.json,
+ ).packed
)
- zpush.send(resp.packed)
except Exception as e:
- log.warning("Lookup for %s resulted in %s", msg, e)
+ log.warning(
+ "Lookup for %s rectified as %s resulted in %s",
+ msg,
+ rect,
+ e,
+ )
except KeyboardInterrupt:
zsub.close()