Give threads less time to shut down gracefully. Attempt shutdown() rather than stop() on the telnet connections to see if that improves things

# Conflicts:
#	templates/add_spot.html
#	templates/alerts.html
#	templates/bands.html
#	templates/base.html
#	templates/conditions.html
#	templates/map.html
#	templates/spots.html
#	templates/status.html

core/cleanup.py

@@ -35,7 +35,7 @@ class CleanupTimer:
 
         self._stop_event.set()
         if self._thread:
-            self._thread.join(timeout=15)
+            self._thread.join(timeout=5)
             if self._thread.is_alive():
                 logger.warning("Cleanup worker thread did not exit on time and will be killed.")
 

core/data_providers.py

@@ -91,7 +91,7 @@ class DataProviders:
         for t in threads:
             t.start()
 
-        deadline = time.monotonic() + 40
+        deadline = time.monotonic() + 15
         for t in threads:
             t.join(timeout=max(0.0, deadline - time.monotonic()))
         still_running = [t for t in threads if t.is_alive()]

providers/alert/http_alert_provider.py

@@ -4,7 +4,7 @@ from threading import Event, Thread
 
 import pytz
 import requests
-from requests.exceptions import ConnectionError, ConnectTimeout, ReadTimeout
+from requests.exceptions import ConnectionError, ConnectTimeout, JSONDecodeError, ReadTimeout
 
 from core.constants import HTTP_HEADERS
 from providers.alert.alert_provider import AlertProvider
@@ -33,7 +33,7 @@ class HTTPAlertProvider(AlertProvider):
     def stop(self):
         self._stop_event.set()
         if self._thread:
-            self._thread.join(timeout=35)
+            self._thread.join(timeout=12)
             if self._thread.is_alive():
                 logger.warning(f"{self.name} alert worker thread did not exit on time and will be killed.")
 
@@ -64,9 +64,14 @@ class HTTPAlertProvider(AlertProvider):
                 logger.warning(f"HTTP {http_response.status_code} when calling {self.name} alerts API.")
 
         except ConnectionError:
+            self.status = "Error"
             logger.warning(f"Connection error when accessing {self.name} alerts API.")
         except (ConnectTimeout, ReadTimeout):
+            self.status = "Error"
             logger.warning(f"Timeout when accessing {self.name} alerts API.")
+        except JSONDecodeError:
+            self.status = "Error"
+            logger.warning(f"Invalid or empty JSON response from {self.name} alert API.")
         except Exception:
             self.status = "Error"
             logger.exception(f"Exception in HTTP JSON Alert Provider ({self.name})")

providers/callsigndata/file_download_callsign_data_provider.py

@@ -38,7 +38,7 @@ class FileDownloadCallsignDataProvider(CallsignDataProvider):
     def stop(self):
         self._stop_event.set()
         if self._thread:
-            self._thread.join(timeout=35)
+            self._thread.join(timeout=12)
             if self._thread.is_alive():
                 logger.warning(f"{self.name} callsign data worker thread did not exit on time and will be killed.")
 

providers/sigrefdata/file_download_sig_ref_data_provider.py

@@ -33,7 +33,7 @@ class FileDownloadSIGRefDataProvider(SIGRefDataProvider):
     def stop(self):
         super().stop()
         if self._thread:
-            self._thread.join(timeout=35)
+            self._thread.join(timeout=12)
             if self._thread.is_alive():
                 logger.warning(f"{self.sig_name} SIG ref data worker thread did not exit on time and will be killed.")
 

providers/solarconditions/giroionosonde.py

@@ -73,7 +73,7 @@ class GIROIonosonde(SolarConditionsProvider):
     def stop(self):
         self._stop_event.set()
         if self._thread:
-            self._thread.join(timeout=35)
+            self._thread.join(timeout=12)
             if self._thread.is_alive():
                 logger.warning("GIRO ionosonde worker thread did not exit on time and will be killed.")
 

providers/solarconditions/http_solar_conditions_provider.py

@@ -31,7 +31,7 @@ class HTTPSolarConditionsProvider(SolarConditionsProvider):
     def stop(self):
         self._stop_event.set()
         if self._thread:
-            self._thread.join(timeout=35)
+            self._thread.join(timeout=12)
             if self._thread.is_alive():
                 logger.warning(f"{self.name} solar conditions worker thread did not exit on time and will be killed.")
 

providers/solarconditions/kc2gprop.py

@@ -38,7 +38,7 @@ class KC2GProp(SolarConditionsProvider):
     def stop(self):
         self._stop_event.set()
         if self._thread:
-            self._thread.join(timeout=35)
+            self._thread.join(timeout=12)
             if self._thread.is_alive():
                 logger.warning("KC2G ionosonde worker thread did not exit on time and will be killed.")
 

providers/spot/aprsis.py

@@ -49,7 +49,7 @@ class APRSIS(SpotProvider):
         if self._aprsis:
             self._aprsis.close()
         if self._thread:
-            self._thread.join(timeout=15)
+            self._thread.join(timeout=5)
             if self._thread.is_alive():
                 logger.warning("APRS-IS worker thread did not exit on time and will be killed.")
 

providers/spot/dxcluster.py

@@ -1,5 +1,6 @@
 import logging
 import re
+import socket
 from datetime import datetime
 from threading import Event, Lock, Thread
 
@@ -52,9 +53,13 @@ class DXCluster(SpotProvider):
         self._stop_event.set()
         with self._telnet_lock:
             if self._telnet:
+                try:
+                    self._telnet.sock.shutdown(socket.SHUT_RDWR)
+                except (AttributeError, OSError):
+                    pass
                 self._telnet.close()
         if self._thread:
-            self._thread.join(timeout=15)
+            self._thread.join(timeout=5)
             if self._thread.is_alive():
                 logger.warning(f"DX Cluster {self._hostname} worker thread did not exit on time and will be killed.")
 

providers/spot/http_spot_provider.py

@@ -4,7 +4,7 @@ from threading import Event, Thread
 
 import pytz
 import requests
-from requests.exceptions import ConnectionError, ConnectTimeout, ReadTimeout
+from requests.exceptions import ConnectionError, ConnectTimeout, JSONDecodeError, ReadTimeout
 
 from core.constants import HTTP_HEADERS
 from providers.spot.spot_provider import SpotProvider
@@ -35,7 +35,7 @@ class HTTPSpotProvider(SpotProvider):
         self._stop_event.set()
         self._wakeup_event.set()
         if self._thread:
-            self._thread.join(timeout=35)
+            self._thread.join(timeout=12)
             if self._thread.is_alive():
                 logger.warning(f"{self.name} spot worker thread did not exit on time and will be killed.")
 
@@ -73,9 +73,14 @@ class HTTPSpotProvider(SpotProvider):
                 logger.warning(f"HTTP {http_response.status_code} when calling {self.name} spot API.")
 
         except ConnectionError:
+            self.status = "Error"
             logger.warning(f"Connection error when accessing {self.name} spots API.")
         except (ConnectTimeout, ReadTimeout):
+            self.status = "Error"
             logger.warning(f"Timeout when accessing {self.name} spots API.")
+        except JSONDecodeError:
+            self.status = "Error"
+            logger.warning(f"Invalid or empty JSON response from {self.name} spots API.")
         except Exception:
             self.status = "Error"
             logger.exception(f"Exception in HTTP Spot Provider ({self.name})")

providers/spot/rbn.py

@@ -1,5 +1,6 @@
 import logging
 import re
+import socket
 from datetime import datetime
 from threading import Event, Lock, Thread
 
@@ -41,9 +42,13 @@ class RBN(SpotProvider):
         self._stop_event.set()
         with self._telnet_lock:
             if self._telnet:
+                try:
+                    self._telnet.sock.shutdown(socket.SHUT_RDWR)
+                except (AttributeError, OSError):
+                    pass
                 self._telnet.close()
         if self._thread:
-            self._thread.join(timeout=15)
+            self._thread.join(timeout=5)
             if self._thread.is_alive():
                 logger.warning(f"RBN (port {self._port!s}) worker thread did not exit on time and will be killed.")
 

providers/spot/sse_spot_provider.py

@@ -42,7 +42,7 @@ class SSESpotProvider(SpotProvider):
                 logger.exception(f"Exception closing SSE connection for {self.name} during stop()")
 
         if self._thread:
-            self._thread.join(timeout=15)
+            self._thread.join(timeout=5)
             if self._thread.is_alive():
                 logger.warning(f"{self.name} SSE worker thread did not exit on time and will be killed.")
 

providers/spot/websocket_spot_provider.py

@@ -34,7 +34,7 @@ class WebsocketSpotProvider(SpotProvider):
         if self._ws:
             self._ws.close()
         if self._thread:
-            self._thread.join(timeout=15)
+            self._thread.join(timeout=5)
             if self._thread.is_alive():
                 logger.warning(f"{self.name} websocket worker thread did not exit on time and will be killed.")
 

providers/staticdata/file_download_static_data_provider.py

@@ -35,7 +35,7 @@ class FileDownloadStaticDataProvider(StaticDataProvider):
     def stop(self):
         self._stop_event.set()
         if self._thread:
-            self._thread.join(timeout=35)
+            self._thread.join(timeout=12)
             if self._thread.is_alive():
                 logger.warning(f"{self.name} static data worker thread did not exit on time and will be killed.")
 

templates/add_spot.html

@@ -77,7 +77,7 @@
 
 </div>
 
-<script src="/static/js/add-spot.js?v=1789803195"></script>
+<script src="/static/js/add-spot.js?v=1789826851"></script>
 <script>$(document).ready(function () {
     $("#nav-link-add-spot").addClass("active");
 }); <!-- highlight active page in nav --></script>

templates/alerts.html

@@ -83,7 +83,7 @@
 
 </div>
 
-<script src="/static/js/alerts.js?v=1789803195"></script>
+<script src="/static/js/alerts.js?v=1789826852"></script>
 <script>$(document).ready(function () {
     $("#nav-link-alerts").addClass("active");
 }); <!-- highlight active page in nav --></script>

templates/bands.html

@@ -76,8 +76,8 @@
 
 </div>
 
-<script src="/static/js/spotsbandsandmap.js?v=1789803195"></script>
+<script src="/static/js/spotsbandsandmap.js?v=1789826851"></script>
-<script src="/static/js/bands.js?v=1789803195"></script>
+<script src="/static/js/bands.js?v=1789826851"></script>
 <script>$(document).ready(function () {
     $("#nav-link-bands").addClass("active");
 }); <!-- highlight active page in nav --></script>

templates/base.html

@@ -1,6 +1,6 @@
 {% extends "skeleton.html" %}
 {% block head_extra %}
-<link rel="stylesheet" href="/static/css/style.css?v=1789803195" type="text/css">
+<link rel="stylesheet" href="/static/css/style.css?v=1789826851" type="text/css">
 <link href="/static/vendor/css/bootstrap-5.3.8.min.css" rel="stylesheet">
 <link href="/static/vendor/css/fontawesome-6.7.2.min.css" rel="stylesheet">
 <link href="/static/vendor/css/solid-6.7.2.min.css" rel="stylesheet">
@@ -16,10 +16,10 @@
     window.fetchEventSource = fetchEventSource;
 </script>
 
-<script src="/static/js/utils.js?v=1789803195"></script>
+<script src="/static/js/utils.js?v=1789826851"></script>
-<script src="/static/js/ui-ham.js?v=1789803195"></script>
+<script src="/static/js/ui-ham.js?v=1789826851"></script>
-<script src="/static/js/geo.js?v=1789803195"></script>
+<script src="/static/js/geo.js?v=1789826851"></script>
-<script src="/static/js/common.js?v=1789803195"></script>
+<script src="/static/js/common.js?v=1789826851"></script>
 {% end %}
 {% block body %}
 <div class="container">

templates/conditions.html

@@ -284,7 +284,7 @@
 </div>
 
 <script src="/static/vendor/js/chart-4.4.9.umd.min.js"></script>
-<script src="/static/js/conditions.js?v=1789803195"></script>
+<script src="/static/js/conditions.js?v=1789826851"></script>
 <script>$(document).ready(function () {
     $("#nav-link-conditions").addClass("active");
 }); <!-- highlight active page in nav --></script>

templates/map.html

@@ -113,8 +113,8 @@
     const CARTODB_API_KEY = "{{ web_ui_options.get('cartodb_api_key', '') }}";
 </script>
 
-<script src="/static/js/spotsbandsandmap.js?v=1789803195"></script>
+<script src="/static/js/spotsbandsandmap.js?v=1789826852"></script>
-<script src="/static/js/map.js?v=1789803195"></script>
+<script src="/static/js/map.js?v=1789826852"></script>
 <script>$(document).ready(function () {
     $("#nav-link-map").addClass("active");
 }); <!-- highlight active page in nav --></script>

templates/spots.html

@@ -125,8 +125,8 @@
 
 </div>
 
-<script src="/static/js/spotsbandsandmap.js?v=1789803195"></script>
+<script src="/static/js/spotsbandsandmap.js?v=1789826851"></script>
-<script src="/static/js/spots.js?v=1789803195"></script>
+<script src="/static/js/spots.js?v=1789826851"></script>
 <script>$(document).ready(function () {
     $("#nav-link-spots").addClass("active");
 }); <!-- highlight active page in nav --></script>

templates/status.html

@@ -96,7 +96,7 @@
     </div>
 </div>
 
-<script src="/static/js/status.js?v=1789803195"></script>
+<script src="/static/js/status.js?v=1789826851"></script>
 <script>
     $(document).ready(function () {
         $("#nav-link-status").addClass("active");