X-Git-Url: http://average.org/gitweb/?a=blobdiff_plain;ds=sidebyside;f=gps303%2Flookaside.py;h=edc899fc8742c5f525eacab7bc21dd3b97265ce9;hb=2cc29ee67b6432e1cd74a21b3c9181b8b5b557f9;hp=60dcea73f54b5ad1fe52128976b8d532cce95203;hpb=01e993a49ac30b400940fc031cc94ef893fc7200;p=loctrkd.git diff --git a/gps303/lookaside.py b/gps303/lookaside.py index 60dcea7..edc899f 100644 --- a/gps303/lookaside.py +++ b/gps303/lookaside.py @@ -7,28 +7,19 @@ from struct import pack import zmq from . import common -from .gps303proto import parse_message, proto_by_name, WIFI_POSITIONING +from .gps303proto import parse_message, WIFI_POSITIONING from .opencellid import qry_cell -from .zmsg import Bcast, LocEvt, Resp +from .zmsg import Bcast, Resp, topic log = getLogger("gps303/lookaside") def runserver(conf): zctx = zmq.Context() - zpub = zctx.socket(zmq.PUB) - oldmask = umask(0o117) - zpub.bind(conf.get("lookaside", "publishurl")) - umask(oldmask) zsub = zctx.socket(zmq.SUB) zsub.connect(conf.get("collector", "publishurl")) - for protoname in ( - "GPS_POSITIONING", - "GPS_OFFLINE_POSITIONING", - "WIFI_POSITIONING", - ): - topic = pack("B", proto_by_name(protoname)) - zsub.setsockopt(zmq.SUBSCRIBE, topic) + tosub = topic(WIFI_POSITIONING.PROTO) + zsub.setsockopt(zmq.SUBSCRIBE, tosub) zpush = zctx.socket(zmq.PUSH) zpush.connect(conf.get("collector", "listenurl")) @@ -43,29 +34,16 @@ def runserver(conf): datetime.fromtimestamp(zmsg.when).astimezone(tz=timezone.utc), msg, ) - if isinstance(msg, WIFI_POSITIONING): - is_gps = False - lat, lon = qry_cell( - conf["opencellid"]["dbfn"], msg.mcc, msg.gsm_cells - ) - resp = Resp( - imei=zmsg.imei, packet=msg.Out(lat=lat, lon=lon).packed - ) - log.debug("Response for lat=%s, lon=%s: %s", lat, lon, resp) - zpush.send(resp.packed) - else: - is_gps = True - lat = msg.latitude - lon = msg.longitude - zpub.send( - LocEvt( - imei=zmsg.imei, - devtime=msg.devtime, - is_gps=is_gps, - lat=lat, - lon=lon, - ).packed + lat, lon = qry_cell( + conf["opencellid"]["dbfn"], msg.mcc, msg.gsm_cells ) + 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 KeyboardInterrupt: pass