Improve websocket connection state handling. Increase min platform ve…

…rsion to 3620.
thingsboard · Dec 13, 2023 · de8aff6 · de8aff6
1 parent da77dcf
commit de8aff6
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Showing 2 changed files with 6 additions and 2 deletions.
diff --git a/lib/src/model/version.dart b/lib/src/model/version.dart
@@ -1,5 +1,5 @@
 class PlatformVersionMatcher {
-  static const int minPlatformVersionInt = 3600;
+  static const int minPlatformVersionInt = 3620;
 
   static bool isSupportedPlatformVersion(PlatformVersion platformVersion) {
     try {

diff --git a/lib/src/service/telemetry_websocket_service.dart b/lib/src/service/telemetry_websocket_service.dart
@@ -189,15 +189,19 @@ class TelemetryWebsocketService implements TelemetryService {
     try {
       var channel = WebSocketChannel.connect(_telemetryUri);
       _sink = channel.sink;
+      channel.ready.then((value) => _onOpen(token), onError: ((e, stackTrace) {
+        _onError(e);
+        _onClose(channel);
+      }));
       channel.stream.listen((event) {
         _onMessage(event);
       }, onDone: () {
         _onClose(channel);
       }, onError: (e) {
         _onError(e);
       });
-      _onOpen(token);
     } catch (e) {
+      _onError(e);
       _onClose();
     }
   }