private Task SendImpl(RabbitMqMessage message)
{
var tcs = new TaskCompletionSource <object>(TaskCreationOptions.RunContinuationsAsynchronously);
try
{
if (_connection.Logger.IsEnabled(LogLevel.Debug))
{
_connection.Logger.LogDebug($"RabbitMqProducer: calling Send.");
}
var channel = _connection.Channel;
if (channel == null)
{
throw new ObjectDisposedException(nameof(RabbitMqProducer));
}
var basicProperties = channel.CreateBasicProperties();
Bind(basicProperties, message);
basicProperties.MessageId = Guid.NewGuid().ToString();
_declarationHelper.DeclareExchange(message.Exchange, channel);
if (message.ShouldConfirmPublish)
{
var seqNo = channel.NextPublishSeqNo;
var mif = new MessageInFlight(tcs, channel, this);
this.AddMessageInFlight(mif, TimeSpan.FromSeconds(10));
}
channel.BasicPublish(message.Exchange, message.RoutingKey, true, basicProperties, message.Body);
if (!message.ShouldConfirmPublish)
{
return(Task.CompletedTask);
}
}
catch (Exception ex)
{
tcs.SetException(new RabbitMqException("RabbitMqProducer: Send failed!", ex));
}
return(tcs.Task);
}
internal void RemoveMessageInFlight(MessageInFlight msg)
{
//It is normal for the message to not be present, so we are ignoring the return value.
messagesInFlight.TryRemove(msg.SequenceNumber, out _);
}
internal void AddMessageInFlight(MessageInFlight msg, TimeSpan timeout)
{
msg.SetupTimeout(timeout);
messagesInFlight.TryAdd(msg.SequenceNumber, msg);
}
