public void Reply()
{
var factory = new ConnectionFactory()
{
HostName = "localhost"
};
using (var connection = factory.CreateConnection())
{
using (var channel = connection.CreateModel())
{
channel.QueueDeclare(queue: "rpc_queue", durable: false,
exclusive: false, autoDelete: false, arguments: null);
channel.BasicQos(0, 1, false);
var consumer = new EventingBasicConsumer(channel);
channel.BasicConsume(queue: "rpc_queue",
noAck: false, consumer: consumer);
consumer.Received += (model, ea) =>
{
var pitStopRequest = PitStopRequest.Deserialize(ea.Body);
Console.Write($"Stop request received: [{pitStopRequest.Message}] - ");
bool accept = this.random.Next(0, 10) > 5;
if (accept)
{
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine("Accepted");
}
else
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("Rejected");
}
Console.ForegroundColor = ConsoleColor.Gray;
PitStopRequestReply response = new PitStopRequestReply()
{
IsAccepted = accept
};
var props = ea.BasicProperties;
var replyProps = channel.CreateBasicProperties();
replyProps.CorrelationId = props.CorrelationId;
channel.BasicPublish(exchange: "", routingKey: props.ReplyTo,
basicProperties: replyProps, body: PitStopRequestReply.Serialize(response));
channel.BasicAck(deliveryTag: ea.DeliveryTag,
multiple: false);
};
this.isConsuming = true;
while (isConsuming)
{
Thread.Sleep(1);
}
}
}
}
private static void RequestPitStop(CarParams carParams)
{
Console.WriteLine("Pit stop requested!");
var pitStopRequester = new PitStopRequester();
PitStopRequestReply pitStopRequestReply = pitStopRequester.Request(new PitStopRequest()
{
Message = $"Requesting PitStop from bolide! - {carParams}"
});
pitStopRequester.Stop();
Console.WriteLine(pitStopRequestReply.IsAccepted ? "PitStop accepted!" : "PitStop denied!");
}
public PitStopRequestReply Request(PitStopRequest request)
{
var corrId = Guid.NewGuid().ToString();
var props = channel.CreateBasicProperties();
props.ReplyTo = replyQueueName;
props.CorrelationId = corrId;
channel.BasicPublish(exchange: "",
routingKey: "rpc_queue",
basicProperties: props,
body: PitStopRequest.Serialize(request));
while (true)
{
var ea = (BasicDeliverEventArgs)consumer.Queue.Dequeue();
if (ea.BasicProperties.CorrelationId == corrId)
{
return(PitStopRequestReply.Deserialize(ea.Body));
}
}
}
