Implement sending commands from the web interface

[loctrkd.git] / loctrkd / rectifier.py

diff --git a/loctrkd/rectifier.py b/loctrkd/rectifier.py
index 5919cbd2bd9c69437c052eff97d75b157eb3b050..5926377ee76ad4dc5665b72dec551a5e279bc661 100644 (file)
--- a/loctrkd/rectifier.py
+++ b/loctrkd/rectifier.py
@@ -6,30 +6,61 @@ from importlib import import_module
 from logging import getLogger
 from os import umask
 from struct import pack
+from typing import cast, List, Tuple
 import zmq
 
 from . import common
-from .zx303proto import parse_message, proto_name, WIFI_POSITIONING
-from .zmsg import Bcast, 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, 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?!
     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)))
+    for proto in proto_needanswer.keys():
+        zsub.setsockopt(zmq.SUBSCRIBE, topic(proto))
     zpush = zctx.socket(zmq.PUSH)  # type: ignore
     zpush.connect(conf.get("collector", "listenurl"))
+    zpub = zctx.socket(zmq.PUB)  # type: ignore
+    oldmask = umask(0o117)
+    zpub.bind(conf.get("rectifier", "publishurl"))
+    umask(oldmask)
 
     try:
         while True:
             zmsg = Bcast(zsub.recv())
-            msg = parse_message(zmsg.packet)
+            msg = common.parse_message(
+                zmsg.proto, zmsg.packet, is_incoming=zmsg.is_incoming
+            )
             log.debug(
                 "IMEI %s from %s at %s: %s",
                 zmsg.imei,
@@ -37,22 +68,63 @@ def runserver(conf: ConfigParser) -> None:
                 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,
+            pmod, rect = msg.rectified()
+            log.debug("rectified: %s", rect)
+            if isinstance(rect, (CoordReport, StatusReport)):
+                zpub.send(
+                    Rept(imei=zmsg.imei, pmod=pmod, payload=rect.json).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)
+            elif isinstance(rect, HintReport):
+                try:
+                    lat, lon, acc = qry.lookup(
+                        rect.mcc,
+                        rect.mnc,
+                        rect.gsm_cells,
+                        list((mac, strng) for _, mac, strng in rect.wifi_aps),
+                    )
+                    log.debug(
+                        "Approximated lat=%s, lon=%s, acc=%s for %s",
+                        lat,
+                        lon,
+                        acc,
+                        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=acc,
+                        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
+                    )
+                except Exception as e:
+                    log.exception(
+                        "Lookup for %s rectified as %s resulted in %s",
+                        msg,
+                        rect,
+                        e,
+                    )
 
     except KeyboardInterrupt:
         zsub.close()
+        zpub.close()
         zpush.close()
         zctx.destroy()  # type: ignore
         qry.shut()