J'expérimente avec ZeroMQ et essaye d'obtenir quelque chose fonctionnant. Ma première pensée a été de mettre en place un REP/REQ en utilisant le transport inproc pour voir si je pouvais envoyer des messages entre deux threads. La plupart du code ci-dessous est tiré des exemples clzmq, mais cela ne semble pas fonctionner.Utilisation de ZeroMQ avec C# avec transport inproc
Le serveur et le client sont liés au transport, mais lorsque le client tente de le faire, il bloque et reste juste là. Je n'ai pas d'expérience ZeroMQ donc je ne sais pas où regarder en premier, toute aide serait grandement appréciée. Voici l'infraction (offensive) Code:
using System;
using System.Diagnostics;
using System.Threading;
using NUnit.Framework;
using ZMQ;
namespace PostBox
{
[TestFixture]
public class Class1
{
private const string Address = "inproc://test";
private const uint MessageSize = 10;
private const int RoundtripCount = 100;
[Test]
public void Should()
{
var clientThread = new Thread(StartClient);
clientThread.Start();
var serverThread = new Thread(StartServer);
serverThread.Start();
clientThread.Join();
serverThread.Join();
Console.WriteLine("Done with life");
}
private void StartServer()
{
// Initialise 0MQ infrastructure
using (var ctx = new Context(1))
{
using (var skt = ctx.Socket(SocketType.REP))
{
skt.Bind(Address);
Console.WriteLine("Server has bound");
// Bounce the messages.
for (var i = 0; i < RoundtripCount; i++)
{
var msg = skt.Recv();
Debug.Assert(msg.Length == MessageSize);
skt.Send(msg);
}
Thread.Sleep(1000);
}
}
Console.WriteLine("Done with server");
}
private void StartClient()
{
Thread.Sleep(2000);
// Initialise 0MQ infrastructure
using (var ctx = new Context(1))
{
using (var skt = ctx.Socket(SocketType.REQ))
{
skt.Bind(Address);
Console.WriteLine("Client has bound");
// Create a message to send.
var msg = new byte[MessageSize];
// Start measuring the time.
var watch = new Stopwatch();
watch.Start();
// Start sending messages.
for (var i = 0; i < RoundtripCount; i++)
{
skt.Send(msg);
msg = skt.Recv();
Debug.Assert(msg.Length == MessageSize);
Console.Write(".");
}
// Stop measuring the time.
watch.Stop();
var elapsedTime = watch.ElapsedTicks;
// Print out the test parameters.
Console.WriteLine("message size: " + MessageSize + " [B]");
Console.WriteLine("roundtrip count: " + RoundtripCount);
// Compute and print out the latency.
var latency = (double)(elapsedTime)/RoundtripCount/2 *
1000000/Stopwatch.Frequency;
Console.WriteLine("Your average latency is {0} [us]",
latency.ToString("f2"));
}
}
Console.WriteLine("Done with client");
}
}
}
Edit:
Je suis ce travail avec l'aide de la réponse ci-dessous, mais il me aussi nécessaire de changer un Bind
à un Connect
, ce qui est logique quand on y pense car nous avons un serveur qui se connecte à un transport local et un client qui se connecte à un transport distant. Voici le code mis à jour:
using System;
using System.Diagnostics;
using System.Threading;
using NUnit.Framework;
using ZMQ;
namespace PostBox
{
[TestFixture]
public class Class1
{
private const string Address = "inproc://test";
private const uint MessageSize = 10;
private const int RoundtripCount = 100;
private static Context ctx;
[Test]
public void Should()
{
using (ctx = new Context(1))
{
var clientThread = new Thread(StartClient);
clientThread.Start();
var serverThread = new Thread(StartServer);
serverThread.Start();
clientThread.Join();
serverThread.Join();
Console.WriteLine("Done with life");
}
}
private void StartServer()
{
try
{
using (var skt = ctx.Socket(SocketType.REP))
{
skt.Bind(Address);
Console.WriteLine("Server has bound");
// Bounce the messages.
for (var i = 0; i < RoundtripCount; i++)
{
var msg = skt.Recv();
Debug.Assert(msg.Length == MessageSize);
skt.Send(msg);
}
Thread.Sleep(1000);
}
Console.WriteLine("Done with server");
}
catch (System.Exception e)
{
Console.WriteLine(e.Message);
}
}
private void StartClient()
{
Thread.Sleep(2000);
try
{
// Initialise 0MQ infrastructure
using (var skt = ctx.Socket(SocketType.REQ))
{
skt.Connect(Address);
Console.WriteLine("Client has bound");
// Create a message to send.
var msg = new byte[MessageSize];
// Start measuring the time.
var watch = new Stopwatch();
watch.Start();
// Start sending messages.
for (var i = 0; i < RoundtripCount; i++)
{
skt.Send(msg);
msg = skt.Recv();
Debug.Assert(msg.Length == MessageSize);
Console.Write(".");
}
// Stop measuring the time.
watch.Stop();
var elapsedTime = watch.ElapsedTicks;
// Print out the test parameters.
Console.WriteLine("message size: " + MessageSize + " [B]");
Console.WriteLine("roundtrip count: " + RoundtripCount);
// Compute and print out the latency.
var latency = (double)(elapsedTime)/RoundtripCount/2 *
1000000/Stopwatch.Frequency;
Console.WriteLine("Your average latency is {0} [us]",
latency.ToString("f2"));
}
Console.WriteLine("Done with client");
}
catch (System.Exception e)
{
Console.WriteLine(e.Message);
}
}
}
}
C'était très utile, merci! – jonnii