protected override async Task OpenLinkAsync(AmqpObject link, IotHubConnectionString connectionString, string audience, TimeSpan timeout, CancellationToken token) { var timeoutHelper = new TimeoutHelper(timeout); token.ThrowIfCancellationRequested(); try { // this is a device-scope connection string. We need to send a CBS token for this specific link before opening it. var iotHubLinkTokenRefresher = new IotHubTokenRefresher(this.FaultTolerantSession.Value, connectionString, audience); if (this.iotHubTokenRefreshers.TryAdd(link, iotHubLinkTokenRefresher)) { link.SafeAddClosed((s, e) => { if (this.iotHubTokenRefreshers.TryRemove(link, out iotHubLinkTokenRefresher)) { iotHubLinkTokenRefresher.Cancel(); } }); // Send Cbs token for new link first // This will throw an exception if the device is not valid or if the token is not valid await iotHubLinkTokenRefresher.SendCbsTokenAsync(timeoutHelper.RemainingTime()).ConfigureAwait(false); } token.ThrowIfCancellationRequested(); // Open Amqp Link await link.OpenAsync(timeoutHelper.RemainingTime()).ConfigureAwait(false); } catch (Exception exception) when(!exception.IsFatal()) { link.SafeClose(exception); throw; } }
protected override async Task OpenLinkAsync(AmqpObject link, IotHubConnectionString connectionString, string audience, TimeSpan timeout) { var timeoutHelper = new TimeoutHelper(timeout); try { // this is a device-scope connection string. We need to send a CBS token for this specific link before opening it. var iotHubLinkTokenRefresher = new IotHubTokenRefresher( this.FaultTolerantSession.Value, connectionString, audience ); if (this.iotHubTokenRefreshers.TryAdd(link, iotHubLinkTokenRefresher)) { link.SafeAddClosed((s, e) => { if (this.iotHubTokenRefreshers.TryRemove(link, out iotHubLinkTokenRefresher)) { iotHubLinkTokenRefresher.Cancel(); } }); // Send Cbs token for new link first await iotHubLinkTokenRefresher.SendCbsTokenAsync(timeoutHelper.RemainingTime()); } // Open Amqp Link await link.OpenAsync(timeoutHelper.RemainingTime()); } catch (Exception exception) { if (exception.IsFatal()) { throw; } link.SafeClose(exception); throw; } }
protected override async Task OpenLinkAsync(AmqpObject link, IotHubConnectionString connectionString, string audience, TimeSpan timeout) { var timeoutHelper = new TimeoutHelper(timeout); try { // this is a device-scope connection string. We need to send a CBS token for this specific link before opening it. var iotHubLinkTokenRefresher = new IotHubTokenRefresher( this.FaultTolerantSession.Value, connectionString, audience ); if (this.iotHubTokenRefreshers.TryAdd(link, iotHubLinkTokenRefresher)) { link.SafeAddClosed((s, e) => { if (this.iotHubTokenRefreshers.TryRemove(link, out iotHubLinkTokenRefresher)) { iotHubLinkTokenRefresher.Cancel(); } }); // Send Cbs token for new link first await iotHubLinkTokenRefresher.SendCbsTokenAsync(timeoutHelper.RemainingTime()); } // Open Amqp Link await link.OpenAsync(timeoutHelper.RemainingTime()); } catch (Exception exception) { if (exception.IsFatal()) { throw; } link.SafeClose(exception); throw; } }