openwebrx-clone/owrx/wsprnet.py

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from owrx.reporting import Reporter
from owrx.version import openwebrx_version
from owrx.config import Config
from owrx.locator import Locator
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from owrx.metrics import Metrics, CounterMetric
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from queue import Queue, Full
from urllib import request, parse
import threading
import logging
from datetime import datetime, timezone
logger = logging.getLogger(__name__)
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class Worker(threading.Thread):
def __init__(self, queue: Queue):
self.queue = queue
self.doRun = True
# some constants that we don't expect to change
config = Config.get()
self.callsign = config["wsprnet_callsign"]
self.locator = Locator.fromCoordinates(config["receiver_gps"])
super().__init__(daemon=True)
def run(self):
while self.doRun:
try:
spot = self.queue.get()
self.uploadSpot(spot)
self.queue.task_done()
except Exception:
logger.exception("Exception while uploading WSPRNet spot")
def _getMode(self, spot):
interval = round(spot["interval"] / 60)
# FST4W modes are mapped not to conflict with WSPR modes 2 and 15:
if spot["mode"] != "WSPR" and interval in [2, 15]:
return interval + 1
return interval
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def uploadSpot(self, spot):
# function=wspr&date=210114&time=1732&sig=-15&dt=0.5&drift=0&tqrg=7.040019&tcall=DF2UU&tgrid=JN48&dbm=37&version=2.3.0-rc3&rcall=DD5JFK&rgrid=JN58SC&rqrg=7.040047&mode=2
# {'timestamp': 1610655960000, 'db': -23.0, 'dt': 0.3, 'freq': 7040048, 'drift': -1, 'msg': 'LA3JJ JO59 37', 'callsign': 'LA3JJ', 'locator': 'JO59', 'mode': 'WSPR'}
date = datetime.fromtimestamp(spot["timestamp"] / 1000, tz=timezone.utc)
data = parse.urlencode({
"function": "wspr",
"date": date.strftime("%y%m%d"),
"time": date.strftime("%H%M"),
"sig": spot["db"],
"dt": spot["dt"],
# FST4W does not have drift
"drift": spot["drift"] if "drift" in spot else 0,
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"tqrg": spot["freq"] / 1E6,
"tcall": spot["callsign"],
"tgrid": spot["locator"],
"dbm": spot["dbm"],
"version": openwebrx_version,
"rcall": self.callsign,
"rgrid": self.locator,
# mode 2 = WSPR 2 minutes
"mode": self._getMode(spot)
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}).encode()
request.urlopen("http://wsprnet.org/post/", data)
class WsprnetReporter(Reporter):
def __init__(self):
# max 100 entries
self.queue = Queue(100)
# single worker
Worker(self.queue).start()
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# metrics
metrics = Metrics.getSharedInstance()
self.spotCounter = CounterMetric()
metrics.addMetric("wsprnet.spots", self.spotCounter)
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def stop(self):
pass
def spot(self, spot):
try:
self.queue.put(spot, block=False)
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self.spotCounter.inc()
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except Full:
logger.warning("WSPRNet Queue overflow, one spot lost")
def getSupportedModes(self):
return ["WSPR", "FST4W"]