public static string Request(string input)
{
// prepare Socket
var nanoSock = new NanomsgSocket(Domain.SP, Protocol.REQ);
string result = null;
bool messageReceived = false;
// prepare Listener
var listener = new NanomsgListener();
listener.ReceivedMessage += (sockedId) =>
{
using (NanomsgReadStream inStream = nanoSock.ReceiveStream())
using (var unpacker = Unpacker.Create(inStream))
{
string output;
if (!unpacker.ReadString(out output))
throw new Exception("REP invalid");
result = output;
}
messageReceived = true;
};
// Connect and Send Request
listener.AddSocket(nanoSock);
nanoSock.Connect("tcp://127.0.0.1:" + reqPort);
using (NanomsgWriteStream outStream = nanoSock.CreateSendStream())
using(var packer = Packer.Create(outStream))
{
packer.PackString(input);
nanoSock.SendStream(outStream);
}
var start = DateTime.Now;
while (!messageReceived && start + TimeSpan.FromSeconds(30) > DateTime.Now)
{
listener.Listen(TimeSpan.FromMilliseconds(250));
}
listener.RemoveSocket(nanoSock);
nanoSock.Dispose();
if (!messageReceived)
{
throw new Exception("REQ timed out");
}
return result;
}
public static void RunWorker(CancellationTokenSource cancellor, int workerId)
{
var serverThread = new Thread(() =>
{
var nanoSock = new NanomsgSocket(Domain.SP, Protocol.REP);
var nanoListener = new NanomsgListener();
nanoListener.ReceivedMessage += (socketId) =>
{
string input;
using (NanomsgReadStream inStream = nanoSock.ReceiveStream())
using (var unpacker = Unpacker.Create(inStream))
{
if (!unpacker.ReadString(out input))
throw new Exception("REQ invalid");
Console.WriteLine(input);
}
using (NanomsgWriteStream outStream = nanoSock.CreateSendStream())
using (var packer = Packer.Create(outStream))
{
packer.PackString("Hello " + input);
nanoSock.SendStream(outStream);
}
};
nanoListener.AddSocket(nanoSock);
nanoSock.Connect("tcp://127.0.0.1:" + repPort);
while (!cancellor.IsCancellationRequested)
{
nanoListener.Listen(TimeSpan.FromMilliseconds(250));
}
nanoListener.RemoveSocket(nanoSock);
nanoSock.Dispose();
});
serverThread.Start();
serverThread.Join(TimeSpan.FromMilliseconds(40));
}