rabbitmq-tutorials/dotnet/RPCClient.cs

55 lines
1.6 KiB
C#

using System;
using RabbitMQ.Client;
using RabbitMQ.Client.Events;
class RPCClient {
private IConnection connection;
private IModel channel;
private string replyQueueName;
private QueueingBasicConsumer consumer;
public RPCClient() {
ConnectionFactory factory = new ConnectionFactory();
factory.HostName = "localhost";
connection = factory.CreateConnection();
channel = connection.CreateModel();
replyQueueName = channel.QueueDeclare();
consumer = new QueueingBasicConsumer(channel);
channel.BasicConsume(replyQueueName, false, consumer);
}
public string Call(string message) {
string corrId = Guid.NewGuid().ToString();
IBasicProperties props = channel.CreateBasicProperties();
props.ReplyTo = replyQueueName;
props.CorrelationId = corrId;
byte[] messageBytes = System.Text.Encoding.UTF8.GetBytes(message);
channel.BasicPublish("", "rpc_queue", props, messageBytes);
while (true) {
BasicDeliverEventArgs ea =
(BasicDeliverEventArgs)consumer.Queue.Dequeue();
if (ea.BasicProperties.CorrelationId == corrId) {
return System.Text.Encoding.UTF8.GetString(ea.Body);
}
}
}
public void Close() {
connection.Close();
}
}
class RPC {
public static void Main() {
RPCClient rpcClient = new RPCClient();
Console.WriteLine(" [x] Requesting fib(30)");
string response = rpcClient.Call("30");
Console.WriteLine(" [.] Got '{0}'", response);
rpcClient.Close();
}
}