![]() If the first reconnect attempt fails, the second reconnect attempt will also start immediately instead of waiting 2 seconds like it would in the default configuration. This is also true for the default configuration. The preceding example configures the HubConnection to start attempting reconnects immediately after the connection is lost. WithAutomaticReconnect(new ) yields the default behavior. HubConnection connection= new HubConnectionBuilder() In order to configure a custom number of reconnect attempts before disconnecting or change the reconnect timing, WithAutomaticReconnect accepts an array of numbers representing the delay in milliseconds to wait before starting each reconnect attempt. Notify users the connection has been closed or manually try to restart the connection. ![]() This provides an opportunity to attempt to restart the connection manually or inform users the connection has been permanently lost. If the client doesn't successfully reconnect within its first four attempts, the HubConnection will transition to the Disconnected state and fire the Closed event. Failed to connect, trying again in 5000 ms.ĭebug.Assert(connection.State = HubConnectionState.Disconnected) Keep trying to until we can start or the token is canceled.Ĭatch when (token.IsCancellationRequested) WithAutomaticReconnect() won't configure the HubConnection to retry initial start failures, so start failures need to be handled manually: public static async Task ConnectWithRetryAsync(HubConnection connection, CancellationToken token) Start dequeuing messages queued while reconnecting if any. Notify users the connection was reestablished. connection.Reconnected += connectionId =>ĭebug.Assert(connection.State = HubConnectionState.Connected) The Reconnected event handler's connectionId parameter will be null if the HubConnection was configured to skip negotiation. Since the connection looks entirely new to the server, a new ConnectionId will be provided to the Reconnected event handlers. This provides an opportunity to inform users the connection has been reestablished and dequeue any queued messages. If the client successfully reconnects within its first four attempts, the HubConnection will transition back to the Connected state and fire the Reconnected event. Notify users the connection was lost and the client is reconnecting. connection.Reconnecting += error =>ĭebug.Assert(connection.State = HubConnectionState.Reconnecting) Non-interactive apps can start queuing or dropping messages. This provides an opportunity to warn users that the connection has been lost and to disable UI elements. Without any parameters, WithAutomaticReconnect() configures the client to wait 0, 2, 10, and 30 seconds respectively before trying each reconnect attempt, stopping after four failed attempts.īefore starting any reconnect attempts, the HubConnection will transition to the HubConnectionState.Reconnecting state and fire the Reconnecting event. It won't automatically reconnect by default. The HubConnection can be configured to automatically reconnect using the WithAutomaticReconnect method on the HubConnectionBuilder. Private async void sendButton_Click(object sender, RoutedEventArgs e)Īwait connection.InvokeAsync("SendMessage", Private async void connectButton_Click(object sender, RoutedEventArgs e)Ĭonnection.On("ReceiveMessage", (user, message) => Using Īwait Task.Delay(new Random().Next(0,5) * 1000) Configure any required options by inserting any of the HubConnectionBuilder methods into Build. The hub URL, protocol, transport type, log level, headers, and other options can be configured while building a connection. ![]() To establish a connection, create a HubConnectionBuilder and call Build. To install the client library, run the following command in a command shell: dotnet add package I send data through Websocket and get this problem: if I use "content-type": "audio/wav", Watson recognizes only first blob and set inactivity_timeout to defaul value meanwhile I set it to 2 seconds.To install the client library, run the following command in the Package Manager Console window: Install-Package I wrote some code in javascript using "MediaStreamRecorder" library. I try to implement Speech recognititon using Watson Speech To Text service.
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