Extract webserver metrics into a separate class to avoid passing it into every API call. Change the display to requests per hour rather than just last request time. Add SSE and telnet client connected count.

webserver/handlers/api/dxstats.py

@@ -11,7 +11,6 @@ from tornado.web import Application
 
 from core.constants import BANDS
 from core.enums import Continent
-from core.prometheus_metrics_handler import api_requests_counter
 from core.utils import safe_json_dumps
 
 logger = logging.getLogger(__name__)
@@ -30,20 +29,13 @@ class APIDxStatsHandler(tornado.web.RequestHandler):
         **kwargs: Any,
     ):
         self._spots = None
-        self._web_server_metrics = None
         super().__init__(application, request, **kwargs)
 
-    def initialize(self, spots, web_server_metrics):
+    def initialize(self, spots):
         self._spots = spots
-        self._web_server_metrics = web_server_metrics
 
     def get(self):
         try:
-            self._web_server_metrics["last_api_access_time"] = datetime.now(pytz.UTC)
-            self._web_server_metrics["api_access_counter"] += 1
-            self._web_server_metrics["status"] = "OK"
-            api_requests_counter.inc()
-
             one_hour_ago = (datetime.now(pytz.UTC) - timedelta(hours=1)).timestamp()
             counts = Counter()