public ExampleResponse1 SendAndWaitResponse_WithRPC(string message)
{
var responseQueue = new BlockingCollection <ExampleResponse1>();
var content = new ExampleMessage1()
{
SentMessage = message,
Date = DateTime.Now
};
using (var connection = factory.CreateConnection())
using (var channel = connection.CreateModel())
{
DelayedBy5SecondsQueue.DeclareQueue(channel);
// Create a new queue to await the results. The created queue has a unique name, is temporary and can be consumed exclusively to this channel. That way we can avoid other channels "stealing" the results of this call
var temporaryResponseQueue = channel.QueueDeclare(exclusive: true);
var responseQueueName = temporaryResponseQueue.QueueName;
// CorrelationID should be a unique code, shared between the send and returned message
var correlationId = Guid.NewGuid().ToString("n");
// Send the message
var messageProperties = channel.CreateBasicProperties();
messageProperties.CorrelationId = correlationId;
messageProperties.ReplyTo = responseQueueName;
var body = WrappedMessage.Wrap(ExampleMessage1.TypeID, content).ToBytes();
channel.BasicPublish(exchange: DefaultExchange.ExchangeName, routingKey: DelayedBy5SecondsQueue.QueueName, basicProperties: messageProperties, body: body);
// Listen to the response queue to receive the result data
var consumer = new EventingBasicConsumer(channel);
consumer.Received += (ch, ea) =>
{
if (ea.BasicProperties.CorrelationId == correlationId)
{
var response = WrappedMessage <ExampleResponse1> .Unwrap(ea.Body);
channel.BasicAck(ea.DeliveryTag, false);
responseQueue.Add(response);
}
};
channel.BasicConsume(responseQueueName, false, consumer);
// Any call that halts the execution until the response is received works
return(responseQueue.Take());
}
}
public void SendExampleMessage1_WithDelay(string name)
{
var content = new ExampleMessage1()
{
SentMessage = name,
Date = DateTime.Now
};
using (var connection = factory.CreateConnection())
using (var channel = connection.CreateModel())
{
// Delay configuration is done inside the queue declaration
DelayedBy5SecondsQueue.DeclareQueue(channel);
var body = WrappedMessage.Wrap(ExampleMessage1.TypeID, content).ToBytes();
channel.BasicPublish(exchange: DefaultExchange.ExchangeName, routingKey: DelayedBy5SecondsQueue.QueueName, basicProperties: null, body: body);
}
}
