]> average.org Git - loctrkd.git/blobdiff - gps303/lookaside.py
rename gps303 -> loctrkd
[loctrkd.git] / gps303 / lookaside.py
diff --git a/gps303/lookaside.py b/gps303/lookaside.py
deleted file mode 100644 (file)
index 2e759d1..0000000
+++ /dev/null
@@ -1,62 +0,0 @@
-""" Estimate coordinates from WIFI_POSITIONING and send back """
-
-from configparser import ConfigParser
-from datetime import datetime, timezone
-from importlib import import_module
-from logging import getLogger
-from os import umask
-from struct import pack
-import zmq
-
-from . import common
-from .zx303proto import parse_message, proto_name, WIFI_POSITIONING
-from .zmsg import Bcast, Resp, topic
-
-log = getLogger("gps303/lookaside")
-
-
-def runserver(conf: ConfigParser) -> None:
-    qry = import_module("." + conf.get("lookaside", "backend"), __package__)
-    qry.init(conf)
-    # Is this https://github.com/zeromq/pyzmq/issues/1627 still not fixed?!
-    zctx = zmq.Context()  # type: ignore
-    zsub = zctx.socket(zmq.SUB)  # type: ignore
-    zsub.connect(conf.get("collector", "publishurl"))
-    zsub.setsockopt(zmq.SUBSCRIBE, topic(proto_name(WIFI_POSITIONING)))
-    zpush = zctx.socket(zmq.PUSH)  # type: ignore
-    zpush.connect(conf.get("collector", "listenurl"))
-
-    try:
-        while True:
-            zmsg = Bcast(zsub.recv())
-            msg = parse_message(zmsg.packet)
-            log.debug(
-                "IMEI %s from %s at %s: %s",
-                zmsg.imei,
-                zmsg.peeraddr,
-                datetime.fromtimestamp(zmsg.when).astimezone(tz=timezone.utc),
-                msg,
-            )
-            try:
-                lat, lon = qry.lookup(
-                    msg.mcc, msg.mnc, msg.gsm_cells, msg.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,
-                )
-                log.debug("Response for lat=%s, lon=%s: %s", lat, lon, resp)
-                zpush.send(resp.packed)
-            except Exception as e:
-                log.warning("Lookup for %s resulted in %s", msg, e)
-
-    except KeyboardInterrupt:
-        zsub.close()
-        zpush.close()
-        zctx.destroy()  # type: ignore
-        qry.shut()
-
-
-if __name__.endswith("__main__"):
-    runserver(common.init(log))