/// <summary>
/// Closes the producer.
/// </summary>
///
/// <param name="cancellationToken">An optional <see cref="CancellationToken"/> instance to signal the request to cancel the operation.</param>
///
/// <returns>A task to be resolved on when the operation has completed.</returns>
///
public virtual async Task CloseAsync(CancellationToken cancellationToken = default)
{
cancellationToken.ThrowIfCancellationRequested <TaskCanceledException>();
IsClosed = true;
var identifier = GetHashCode().ToString();
ServiceBusEventSource.Log.ClientCloseStart(typeof(ServiceBusSender), EntityName, identifier);
// Attempt to close the active transport producers. In the event that an exception is encountered,
// it should not impact the attempt to close the connection, assuming ownership.
var transportProducerException = default(Exception);
try
{
await _innerSender.CloseAsync(cancellationToken).ConfigureAwait(false);
}
catch (Exception ex)
{
ServiceBusEventSource.Log.ClientCloseError(typeof(ServiceBusSender), EntityName, identifier, ex.Message);
transportProducerException = ex;
}
// An exception when closing the connection supersedes one observed when closing the
// individual transport clients.
try
{
if (OwnsConnection)
{
await _connection.CloseAsync().ConfigureAwait(false);
}
}
catch (Exception ex)
{
ServiceBusEventSource.Log.ClientCloseError(typeof(ServiceBusSender), EntityName, identifier, ex.Message);
throw;
}
finally
{
ServiceBusEventSource.Log.ClientCloseComplete(typeof(ServiceBusSender), EntityName, identifier);
}
// If there was an active exception pending from closing the individual
// transport producers, surface it now.
if (transportProducerException != default)
{
throw transportProducerException;
}
}
public virtual async ValueTask DisposeAsync()
{
IsDisposed = true;
ServiceBusEventSource.Log.ClientDisposeStart(typeof(ServiceBusSender), Identifier);
try
{
await _innerSender.CloseAsync(CancellationToken.None).ConfigureAwait(false);
}
catch (Exception ex)
{
ServiceBusEventSource.Log.ClientDisposeException(typeof(ServiceBusSender), Identifier, ex);
throw;
}
ServiceBusEventSource.Log.ClientDisposeComplete(typeof(ServiceBusSender), Identifier);
}