Bugfix: Fix client connection duration display in UI

.github/workflows/build-and-release.yml

@@ -35,10 +35,17 @@ jobs:
       release_type: ${{ steps.version.outputs.release_type }}
       docker_tag: ${{ steps.docker_tags.outputs.tag }}
     steps:
+      - name: Clean workspace
+        if: always()
+        run: |
+          sudo chown -R $USER:$USER ${{ github.workspace }} || true
+          sudo rm -rf ${{ github.workspace }}/* ${{ github.workspace }}/.* 2>/dev/null || true
+
       - name: Checkout repository
         uses: actions/checkout@v4
         with:
           fetch-depth: 0
+          clean: false
 
       - name: Determine Docker tags and cache
         id: docker_tags
@@ -145,10 +152,17 @@ jobs:
             platform: linux/arm64
             platform_tag: arm64
     steps:
+      - name: Clean workspace
+        if: always()
+        run: |
+          sudo chown -R $USER:$USER ${{ github.workspace }} || true
+          sudo rm -rf ${{ github.workspace }}/* ${{ github.workspace }}/.* 2>/dev/null || true
+
       - name: Checkout repository
         uses: actions/checkout@v4
         with:
           fetch-depth: 0
+          clean: false
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
@@ -192,7 +206,9 @@ jobs:
         if: always()
         run: |
           rm -rf ${{ env.CACHE_PATH }}
-          mv ${{ env.CACHE_PATH_NEW }} ${{ env.CACHE_PATH }}
+          if [ -d "${{ env.CACHE_PATH_NEW }}" ]; then
+            mv ${{ env.CACHE_PATH_NEW }} ${{ env.CACHE_PATH }}
+          fi
 
   merge:
     name: Merge Multi-Arch Image
@@ -229,6 +245,8 @@ jobs:
       - name: Checkout repository
         if: github.ref == 'refs/heads/main'
         uses: actions/checkout@v4
+        with:
+          clean: false
 
       - name: Docker Hub Description
         if: github.ref == 'refs/heads/main'
@@ -252,6 +270,7 @@ jobs:
       uses: actions/checkout@v4
       with:
         fetch-depth: 0
+        clean: false
 
     - name: Generate commit history
       id: changelog
@@ -350,6 +369,7 @@ jobs:
         uses: actions/checkout@v4
         with:
           fetch-depth: 0
+          clean: false
 
       - name: Collect commit information
         id: collect
@@ -585,4 +605,4 @@ jobs:
               body: newBody
             });
 
-            console.log(`✅ Updated PR #${context.issue.number}`);
+            console.log(`✅ Updated PR #${context.issue.number}`);

.github/workflows/snd.yml

@@ -23,10 +23,17 @@ jobs:
             platform: linux/arm64
             platform_tag: arm64
     steps:
+      - name: Clean workspace
+        if: always()
+        run: |
+          sudo chown -R $USER:$USER ${{ github.workspace }} || true
+          sudo rm -rf ${{ github.workspace }}/* ${{ github.workspace }}/.* 2>/dev/null || true
+
       - name: Checkout repository
         uses: actions/checkout@v4
         with:
           ref: snd
+          clean: false
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
@@ -70,7 +77,9 @@ jobs:
         if: always()
         run: |
           rm -rf ${{ env.CACHE_PATH }}
-          mv ${{ env.CACHE_PATH_NEW }} ${{ env.CACHE_PATH }}
+          if [ -d "${{ env.CACHE_PATH_NEW }}" ]; then
+            mv ${{ env.CACHE_PATH_NEW }} ${{ env.CACHE_PATH }}
+          fi
 
   merge:
     name: Merge Multi-Arch Image
@@ -102,5 +111,3 @@ jobs:
           docker pull ${{ vars.DOCKERHUB_USERNAME }}/simpleclouddetect:snd
           IMAGE_SIZE=$(docker images --format "{{.Size}}" ${{ vars.DOCKERHUB_USERNAME }}/simpleclouddetect:snd | head -n1)
           echo "Docker image size: $IMAGE_SIZE"
-
-

alpaca/device.py

@@ -32,7 +32,8 @@ def __init__(self, alpaca_config: AlpacaConfig, detect_config: DetectConfig):
         self.transaction_lock = threading.Lock()
 
         # Device state
-        self.connected_clients: Dict[Tuple[str, int], datetime] = {}  # (IP, ClientID) -> ConnectionTime
+        self.connected_clients: Dict[Tuple[str, int], datetime] = {}  # (IP, ClientID) -> Connection Start Time
+        self.client_last_seen: Dict[Tuple[str, int], datetime] = {}   # (IP, ClientID) -> Last Heartbeat Time
         self.disconnected_clients: Dict[Tuple[str, int], Tuple[datetime, datetime]] = {}  # (IP, ClientID) -> (ConnectionTime, DisconnectionTime)
         self.connection_lock = threading.Lock()
         self.connecting = False
@@ -167,24 +168,36 @@ def _prune_stale_clients(self):
         cutoff_time = now - timedelta(seconds=CLIENT_TIMEOUT_SECONDS)
 
         stale_clients = []
-        for key, last_seen in list(self.connected_clients.items()):
+        # Check last_seen for staleness, not initial connection time
+        for key, last_seen in list(self.client_last_seen.items()):
             if last_seen < cutoff_time:
                 stale_clients.append(key)
 
         for key in stale_clients:
             client_ip, client_id = key
-            conn_time = self.connected_clients[key]
+
+            # Retrieve original connection time for the record
+            conn_time = self.connected_clients.get(key, now)
+
+            # Move to disconnected list
             self.disconnected_clients[key] = (conn_time, now)
-            del self.connected_clients[key]
+
+            # Remove from active tracking
+            if key in self.connected_clients:
+                del self.connected_clients[key]
+            if key in self.client_last_seen:
+                del self.client_last_seen[key]
+
             logger.warning(f"Watchdog: Pruned stale client {client_ip} (ID: {client_id}) - "
-                          f"inactive for {(now - conn_time).total_seconds():.0f}s")
+                          f"inactive for {(now - last_seen).total_seconds():.0f}s")
 
     def register_heartbeat(self, client_ip: str, client_id: int):
         """Update the last seen timestamp for a connected client"""
         with self.connection_lock:
             key = (client_ip, client_id)
             if key in self.connected_clients:
-                self.connected_clients[key] = get_current_time(self.alpaca_config.timezone)
+                # Only update last_seen, preserve connected_clients (start time)
+                self.client_last_seen[key] = get_current_time(self.alpaca_config.timezone)
 
     def _setup_mqtt(self):
         """Setup and return MQTT client based on detect_config"""
@@ -334,7 +347,9 @@ def connect(self, client_ip: str, client_id: int):
         """Connect a client to the device"""
         with self.connection_lock:
             key = (client_ip, client_id)
-            self.connected_clients[key] = get_current_time(self.alpaca_config.timezone)
+            current_time = get_current_time(self.alpaca_config.timezone)
+            self.connected_clients[key] = current_time
+            self.client_last_seen[key] = current_time
 
             # Remove from disconnected clients if reconnecting
             if key in self.disconnected_clients:
@@ -358,6 +373,7 @@ def disconnect(self, client_ip: str = None, client_id: int = None):
                     disc_time = get_current_time(self.alpaca_config.timezone)
                     self.disconnected_clients[key] = (conn_time, disc_time)
                 self.connected_clients.clear()
+                self.client_last_seen.clear()
                 self.disconnected_at = disc_time
                 if self.connected_at:
                     duration = (self.disconnected_at - self.connected_at).total_seconds()
@@ -372,6 +388,9 @@ def disconnect(self, client_ip: str = None, client_id: int = None):
                     self.disconnected_clients[key] = (conn_time, disc_time)
 
                     del self.connected_clients[key]
+                    if key in self.client_last_seen:
+                        del self.client_last_seen[key]
+
                     logger.info(f"Client disconnected: {client_ip} (ID: {client_id}). Total clients: {len(self.connected_clients)}")
 
                     if len(self.connected_clients) == 0: