async void ShutdownOnReceiveError(string exception)
{
this.publishPubAckProcessor.Abort();
foreach (var publishProcessor in this.publishProcessors)
{
publishProcessor.Value.Abort();
}
this.publishPubRecProcessor.Abort();
this.pubRelPubCompProcessor.Abort();
IMqttMessagingBridge bridge = this.messagingBridge;
if (bridge != null)
{
this.messagingBridge = null;
try
{
await bridge.DisposeAsync();
}
catch (Exception ex)
{
CommonEventSource.Log.Info("Failed to close IoT Hub Client cleanly.", ex.ToString());
}
}
ShutdownOnError(this.capturedContext, "Receive", exception);
}
async void CloseIotHubConnection(IChannelHandlerContext context, PublishPacket will)
{
if (!this.ConnectedToHub)
{
// closure happened before IoT Hub connection was established or it was initiated due to disconnect
return;
}
try
{
foreach (var publishProcessor in this.publishProcessors)
{
publishProcessor.Value.Complete();
}
this.publishPubAckProcessor.Complete();
this.publishPubRecProcessor.Complete();
this.pubRelPubCompProcessor.Complete();
await Task.WhenAll(
this.CompletePublishAsync(context, will),
this.publishPubAckProcessor.Completion,
this.publishPubRecProcessor.Completion,
this.pubRelPubCompProcessor.Completion);
IMqttMessagingBridge hub = this.messagingBridge;
this.messagingBridge = null;
await hub.DisposeAsync();
}
catch (Exception ex)
{
CommonEventSource.Log.Info("Failed to close IoT Hub Client cleanly.", ex.ToString());
}
}