mirror of
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71 lines
2.4 KiB
Python
71 lines
2.4 KiB
Python
import json
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import logging
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from collections import Counter
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from datetime import datetime, timedelta
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from typing import Any
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import pytz
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import tornado
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from tornado import httputil
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from tornado.web import Application
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from core.enums import Continent
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from core.prometheus_metrics_handler import api_requests_counter
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from core.utils import safe_json_dumps
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logger = logging.getLogger(__name__)
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CONTINENTS = [c.value for c in Continent]
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BANDS = ["160m", "80m", "60m", "40m", "30m", "20m", "17m", "15m", "12m", "10m", "6m"]
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class APIDxStatsHandler(tornado.web.RequestHandler):
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"""API request handler for /api/v2/dxstats"""
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def __init__(
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self,
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application: "Application",
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request: httputil.HTTPServerRequest,
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**kwargs: Any,
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):
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self._spots = None
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self._web_server_metrics = None
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super().__init__(application, request, **kwargs)
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def initialize(self, spots, web_server_metrics):
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self._spots = spots
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self._web_server_metrics = web_server_metrics
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def get(self):
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try:
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self._web_server_metrics["last_api_access_time"] = datetime.now(pytz.UTC)
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self._web_server_metrics["api_access_counter"] += 1
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self._web_server_metrics["status"] = "OK"
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api_requests_counter.inc()
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one_hour_ago = (datetime.now(pytz.UTC) - timedelta(hours=1)).timestamp()
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counts = Counter()
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for key in self._spots.keys(): # noqa: SIM118
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spot = self._spots.get(key)
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if spot is None:
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continue
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if not spot.time or spot.time < one_hour_ago:
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continue
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if spot.de_continent in CONTINENTS and spot.dx_continent in CONTINENTS and spot.band in BANDS:
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counts[spot.de_continent, spot.dx_continent, spot.band] += 1
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result = {
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de: {dx: {band: counts[de, dx, band] for band in BANDS} for dx in CONTINENTS} for de in CONTINENTS
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}
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self.write(json.dumps(result))
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self.set_status(200)
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self.set_header("Cache-Control", "no-store")
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self.set_header("Content-Type", "application/json")
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except Exception:
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logger.exception("Exception when handling client request to dx stats API")
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self.write(safe_json_dumps("Error - an internal server error occurred."))
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self.set_status(500)
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