improve exception handling

draft_code/websocket_nostr_receive.py

@@ -42,10 +42,13 @@ def printevents():
     relay_manager = RelayManager()
     #relay_manager.add_relay("wss://nostr-pub.wellorder.net")
     print("relaymanager adding")
-    relay_manager.add_relay("wss://relay.damus.io")
+    #relay_manager.add_relay("wss://relay.damus.io")
+    #time.sleep(1)
     relay_manager.add_relay("wss://relay.primal.net")
+    time.sleep(1)
     print("relaymanager subscribing")
     relay_manager.add_subscription(subscription_id, filters)
+    time.sleep(1)
     print("opening connections") # after this, CPU usage goes high and stays there
     relay_manager.open_connections({"cert_reqs": ssl.CERT_NONE}) # NOTE: This disables ssl certificate verification
     time.sleep(2) # allow the connections to open
@@ -82,7 +85,7 @@ def printevents():
 # somehow, if I run this in a thread, I get: can't create thread" at File "/lib/nostr/relay_manager.py", line 48, in open_connections
 # tried stack sizes from 18KB up to 32KB
 # on unix/desktop, 24KB crashes, 26KB is fine
-_thread.stack_size(26*1024)
+_thread.stack_size(16*1024)
 _thread.start_new_thread(printevents, ())
 #printevents()
 

internal_filesystem/lib/threading.py

@@ -17,6 +17,7 @@ class Thread:
         #_thread.stack_size(10*1024) # might not be enough
         #stacksize = 12*1024
         # small stack sizes 8KB gives segfault directly
+        # 22KB or less is too tight on desktop, 23KB and more is fine
         stacksize = 24*1024
         print(f"starting thread with stacksize {stacksize}")
         _thread.stack_size(stacksize)

internal_filesystem/lib/websocket.py

@@ -230,9 +230,10 @@ class WebSocketApp:
             self.close()
             return False
         except Exception as e:
-            _log_error(f"run_forever got general exception: {e}")
+            _log_error(f"run_forever's _loop.run_until_complete() got general exception: {e}")
             self.has_errored = True
-            return True
+            self.running = False
+            #return True
         _log_debug("run_forever completed")
         return self.has_errored
 
@@ -250,8 +251,11 @@ class WebSocketApp:
         _log_debug(f"Reconnect interval set to {reconnect}s")
 
         # Start callback processing task
-        callback_task = asyncio.create_task(_process_callbacks_async())
-        _log_debug("Started callback processing task")
+        try:
+            callback_task = asyncio.create_task(_process_callbacks_async())
+            _log_debug("Started callback processing task")
+        except Exception as e:
+            print(f"websocket.py: create_ask(_process_callbacks_async()) had exception {e}")
 
         while self.running:
             _log_debug("Main loop iteration: self.running=True")