event_generator fix

apps/api/main.py

@@ -127,14 +127,9 @@ async def redis_state_listener():
         
         logger.info("Redis state listener connected")
         
-        while True:
+        # listen() blocks async and waits for messages - prevents busy loop
-            try:
+        async for message in pubsub.listen():
-                message = await asyncio.wait_for(
+            if message["type"] == "message":
-                    pubsub.get_message(ignore_subscribe_messages=True),
-                    timeout=1.0
-                )
-                
-                if message and message["type"] == "message":
                 data = message["data"]
                 try:
                     state_data = json.loads(data)
@@ -146,9 +141,6 @@ async def redis_state_listener():
                 except Exception as e:
                     logger.warning(f"Failed to parse state data: {e}")
                 
-            except asyncio.TimeoutError:
-                pass  # No message, continue
-                
     except asyncio.CancelledError:
         logger.info("Redis state listener cancelled")
         raise
@@ -567,25 +559,31 @@ async def event_generator(request: Request) -> AsyncGenerator[str, None]:
             redis_client = None
             pubsub = None
         
-        # Heartbeat tracking
-        last_heartbeat = asyncio.get_event_loop().time()
         heartbeat_interval = 15  # Safari-friendly: shorter interval
         
+        # Use listen() iterator for blocking reads with heartbeat timeout
+        if pubsub:
+            listener = pubsub.listen()
+        else:
+            listener = None
+        
         while True:
             # Check if client disconnected
             if await request.is_disconnected():
                 logger.info("SSE client disconnected")
                 break
             
-            # Try to get message from Redis (if available)
+            # Try to get message from Redis with timeout for heartbeat
-            if pubsub:
+            if listener:
                 try:
+                    # Wait for message with heartbeat timeout
+                    # If no message arrives within timeout, send heartbeat
                     message = await asyncio.wait_for(
-                        pubsub.get_message(ignore_subscribe_messages=True),
+                        anext(listener),
-                        timeout=0.1
+                        timeout=heartbeat_interval
                     )
                     
-                    if message and message["type"] == "message":
+                    if message["type"] == "message":
                         data = message["data"]
                         logger.debug(f"Sending SSE message: {data[:100]}...")
                         
@@ -598,24 +596,21 @@ async def event_generator(request: Request) -> AsyncGenerator[str, None]:
                             logger.warning(f"Failed to parse state data for cache: {e}")
                         
                         yield f"event: message\ndata: {data}\n\n"
-                        last_heartbeat = asyncio.get_event_loop().time()
-                        continue  # Skip sleep, check for more messages immediately
                         
                 except asyncio.TimeoutError:
-                    pass  # No message, continue to heartbeat check
+                    # No message within heartbeat interval - send heartbeat
+                    yield ": ping\n\n"
+                except StopAsyncIteration:
+                    logger.warning("Redis listener stopped")
+                    break
                 except Exception as e:
                     logger.error(f"Redis error: {e}")
-                    # Continue with heartbeats even if Redis fails
+                    # Continue with heartbeat-only mode
-            
+                    listener = None
-            # Sleep briefly to avoid busy loop
+            else:
-            await asyncio.sleep(0.1)
+                # Heartbeat-only mode (no Redis)
-            
+                await asyncio.sleep(heartbeat_interval)
-            # Send heartbeat if interval elapsed
-            current_time = asyncio.get_event_loop().time()
-            if current_time - last_heartbeat >= heartbeat_interval:
-                # Comment-style ping (Safari-compatible, no event type)
                 yield ": ping\n\n"
-                last_heartbeat = current_time
             
     except asyncio.CancelledError:
         logger.info("SSE connection cancelled by client")

config/devices.yaml

@@ -1035,7 +1035,7 @@ devices:
   name: Herdlicht
   type: light
   cap_version: "light@1.2.0"
-  technology: tasmota
+  technology: zigbee2mqtt
   features:
     power: true
     brightness: true

config/rules.yaml

@@ -1,9 +1,19 @@
-# Rules Configuration
-# Auto-generated from devices.yaml
-
 rules:
+- id: window_setback_bad_unten
+  enabled: true
+  name: Fensterabsenkung Bad Unten
+  type: window_setback@1.0
+  objects:
+    contacts:
+    - kontakt_bad_unten_strasse
+    thermostats:
+    - thermostat_bad_unten
+  params:
+    eco_target: 16.0
+    open_min_secs: 20
+    close_min_secs: 20
 - id: window_setback_esszimmer
-  enabled: false
+  enabled: true
   name: Fensterabsenkung Esszimmer
   type: window_setback@1.0
   objects:
@@ -17,8 +27,23 @@ rules:
     open_min_secs: 20
     close_min_secs: 20
     previous_target_ttl_secs: 86400
+- id: window_setback_wohnzimmer
+  enabled: true
+  name: Fensterabsenkung Wohnzimmer
+  type: window_setback@1.0
+  objects:
+    contacts:
+    - kontakt_wohnzimmer_garten_links
+    - kontakt_wohnzimmer_garten_rechts
+    thermostats:
+    - thermostat_wohnzimmer
+  params:
+    eco_target: 16.0
+    open_min_secs: 20
+    close_min_secs: 20
+    previous_target_ttl_secs: 86400
 - id: window_setback_kueche
-  enabled: false
+  enabled: true
   name: Fensterabsenkung Küche
   type: window_setback@1.0
   objects:
@@ -35,7 +60,7 @@ rules:
     close_min_secs: 20
     previous_target_ttl_secs: 86400
 - id: window_setback_patty
-  enabled: false
+  enabled: true
   name: Fensterabsenkung Arbeitszimmer Patty
   type: window_setback@1.0
   objects:
@@ -51,7 +76,7 @@ rules:
     close_min_secs: 20
     previous_target_ttl_secs: 86400
 - id: window_setback_schlafzimmer
-  enabled: false
+  enabled: true
   name: Fensterabsenkung Schlafzimmer
   type: window_setback@1.0
   objects:
@@ -64,21 +89,6 @@ rules:
     open_min_secs: 20
     close_min_secs: 20
     previous_target_ttl_secs: 86400
-- id: window_setback_wohnzimmer
-  enabled: false
-  name: Fensterabsenkung Wohnzimmer
-  type: window_setback@1.0
-  objects:
-    contacts:
-    - kontakt_wohnzimmer_garten_links
-    - kontakt_wohnzimmer_garten_rechts
-    thermostats:
-    - thermostat_wohnzimmer
-  params:
-    eco_target: 16.0
-    open_min_secs: 20
-    close_min_secs: 20
-    previous_target_ttl_secs: 86400
 - id: window_setback_wolfgang
   enabled: true
   name: Fensterabsenkung Arbeitszimmer Wolfgang
@@ -92,3 +102,16 @@ rules:
     eco_target: 16.0
     open_min_secs: 20
     close_min_secs: 20
+- id: window_setback_bad_oben
+  enabled: true
+  name: Fensterabsenkung Bad Oben
+  type: window_setback@1.0
+  objects:
+    contacts:
+    - kontakt_bad_oben_strasse
+    thermostats:
+    - thermostat_bad_oben
+  params:
+    eco_target: 16.0
+    open_min_secs: 20
+    close_min_secs: 20