public async Task <string> AddConsumer(string queue, string consumerTag, IBasicConsumer consumer)
{
await semaphore.WaitAsync();
try
{
bool autoAck = false;
bool noLocal = false;
bool exclusive = false;
IDictionary <String, Object> arguments = null;
var sanitizedArguments = RabbitSetupSetting.GetSanitizedArguments(arguments);
return(Model.BasicConsume(queue, autoAck, consumerTag, noLocal, exclusive, sanitizedArguments, consumer));
}
finally
{
semaphore.Release();
}
}
public async Task <IRabbitChannel> GetOrEstablishChannelAsync()
{
if (channel != null)
{
return(channel);
}
await semaphore.WaitAsync();
IsConnecting = true;
// check again as another task may have established the channel while we awaited the semaphore
if (channel != null)
{
IsConnecting = false;
return(channel);
}
try
{
connection = RabbitSetupSetting.GetConnection(options);
connection.CallbackException += ConnectionCallbackExceptionHandler;
connection.ConnectionRecoveryError += ConnectionRecoveryErrorHandler;
var model = RabbitSetupSetting.GetChannel(connection);
channel = new RabbitChannel(model, options.Endpoint.Hostname);
RabbitSetupSetting.StartExchanges(model, options.Exchanges.Values);
return(channel);
}
catch (BrokerUnreachableException)
{
//retryTimer.Reset(TimeSpan.FromSeconds(5));
return(null);
}
finally
{
IsConnecting = false;
semaphore.Release();
}
}