private void PublishMessage(ProducerChannel channel, DaJetMessage message)
{
string mapping = null;
if (Settings.MessageTypeRouting != null)
{
_ = Settings.MessageTypeRouting.TryGetValue(message.MessageType, out mapping);
}
string routingKey = string.Empty;
if (mapping == null)
{
routingKey = message.MessageType;
}
string exchangeName = CreateExchangeName(mapping);
byte[] messageBytes = Encoding.UTF8.GetBytes(message.MessageBody);
channel.Properties.Type = message.MessageType;
channel.Properties.MessageId = message.Uuid.ToString();
SetOperationTypeHeader(message, channel.Properties);
channel.Channel.BasicPublish(exchangeName, routingKey, channel.Properties, messageBytes);
}
private void WaitForConfirms(ProducerChannel channel)
{
try
{
bool confirmed = channel.Channel.WaitForConfirms(TimeSpan.FromSeconds(Settings.ConfirmationTimeout), out bool timedout);
if (!confirmed)
{
if (timedout)
{
SendingExceptions.Enqueue(new OperationCanceledException(PUBLISHER_CONFIRMATION_TIMEOUT_MESSAGE));
}
else
{
SendingExceptions.Enqueue(new OperationCanceledException(PUBLISHER_CONFIRMATION_ERROR_MESSAGE));
}
SendingCancellation.Cancel();
}
}
catch (OperationInterruptedException rabbitError)
{
SendingExceptions.Enqueue(rabbitError);
if (string.IsNullOrWhiteSpace(rabbitError.Message) || !rabbitError.Message.Contains("NOT_FOUND"))
{
SendingCancellation.Cancel();
}
}
catch (Exception error)
{
SendingExceptions.Enqueue(error);
SendingCancellation.Cancel();
}
}
private int PublishMessagesInBackground(object id)
{
int channelId = (int)id;
ProducerChannel producerChannel = ProducerChannels[channelId];
int messagesSent = 0;
foreach (Queue <DaJetMessage> queue in producerChannel.Queues)
{
while (queue.TryDequeue(out DaJetMessage message))
{
if (SendingCancellation.IsCancellationRequested)
{
return(0);
}
try
{
PublishMessage(producerChannel, message);
messagesSent++;
}
catch (Exception error)
{
SendingExceptions.Enqueue(error);
SendingCancellation.Cancel();
}
}
}
if (messagesSent > 0)
{
WaitForConfirms(producerChannel);
}
return(messagesSent);
}
