public Task PublishAsync(string topicName, byte[] message, CancellationToken cancellationToken = default)
{
if (string.IsNullOrEmpty(topicName))
{
throw new ArgumentException("TopicName is null or empty", nameof(topicName));
}
var tcs = new TaskCompletionSource <bool>();
lock (_publisherAsyncLock)
{
if (_publisherChannel == null)
{
var connection = _connection.GetConnection();
_publisherChannel = connection.CreateModel();
_publisherChannel.ConfirmSelect();
_publisherChannel.BasicAcks += (sender, ea) => ExecuteUnconfirmedActions(_publisherUnconfirmedActions, ea.DeliveryTag, ea.Multiple, true);
_publisherChannel.BasicNacks += (sender, ea) => ExecuteUnconfirmedActions(_publisherUnconfirmedActions, ea.DeliveryTag, ea.Multiple, false);
}
var props = _publisherChannel.CreateBasicProperties();
props.DeliveryMode = 2; // persistent delivery mode
var nextPublishSeqNo = _publisherChannel.NextPublishSeqNo;
RegisterUnconfirmedAction(_publisherUnconfirmedActions, tcs, nextPublishSeqNo, cancellationToken);
var routingKey = RabbitMapper.GetRoutingKey(topicName);
_publisherChannel.BasicPublish(_rabbitOptions.Exchange, routingKey, props, message);
_logger.LogDebug("Published message with topic [{}]", topicName);
}
return(tcs.Task);
}
public RabbitConsumer(IRabbitFactoryConnection connection,
string serviceName, string topicName,
Func <GateContext, CancellationToken, Task> messageHandler,
Action abortedHandler,
bool autoDelete,
int maxConcurrentMessages,
RabbitOptions options, ILogger logger)
{
ServiceName = string.IsNullOrEmpty(serviceName) ?
throw new ArgumentException("ServiceName null or empty", nameof(serviceName)) : serviceName;
TopicName = string.IsNullOrEmpty(topicName) ?
throw new ArgumentException("TopicName null or empty", nameof(topicName)) : topicName;
AutoDelete = autoDelete;
MaxConcurrentMessages = maxConcurrentMessages;
_messageHandler = messageHandler ?? throw new ArgumentNullException(nameof(messageHandler));
if (abortedHandler == null)
{
throw new ArgumentNullException(nameof(abortedHandler));
}
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
_logger = logger ?? throw new ArgumentNullException(nameof(logger));
var queueName = RabbitMapper.GetQueueName(ServiceName, TopicName);
var routingKey = RabbitMapper.GetRoutingKey(TopicName);
_consumer = new RabbitInternalConsumer(connection, options.Exchange, queueName, routingKey, AutoDelete, (ushort)MaxConcurrentMessages, HandleMessage,
abortedHandler);
}
