• Enjoys Math (116/116) May 03 2018 Error
• Andy Smith (7/10) May 04 2018 Haven't run it, but two things to try...
• Enjoys Math (2/13) May 10 2018 That got it to work, nvm.

Enjoys Math <enjoysmath gmail.com> writes:

Error
-----

builtins.ConnectionRefusedError: [WinError 10061] No connection 
could be made because the target machine actively refused it

Python Side
-----------
from PyQt5.QtWidgets import QApplication, QMainWindow
import sys
import socket
import settings


if __name__ == "__main__":
     app = QApplication([])

     window = QMainWindow()
     window.show()

     host = socket.gethostname()
     sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

available port
     print(host)
     sock.connect((host, settings.debugPort))

     try:


         message = 'This is the message.  It will be repeated.'
         print(sys.stderr, 'sending "%s"' % message)
         sock.sendall(message.encode())


         amount_received = 0
         amount_expected = len(message)

         while amount_received < amount_expected:
             data = sock.recv(16)
             amount_received += len(data)
             print(sys.stderr, 'received "%s"' % data)

     finally:
         print(sys.stderr, 'closing socket')
         sock.close()


     sys.exit(app.exec_())



And the D Side
--------------

module server;

import core.thread;
import std.socket;
import std.experimental.logger;

class Server : Thread
{
private:
	Socket listener;
	int backlog;
	string address;
	ushort port;
	SocketSet sockSet;
	Socket[] clients;
	bool running;

public:
	this(ushort port, string address="") {
		super(& run);
		
		if (address == "")
			address = "127.0.0.1";

		this.port = port;
		this.address = address;
		backlog = int.max;
		listener = null;
		running = false;
	}

	bool setupSocket() {
		try {
			listener = new Socket(AddressFamily.INET, SocketType.STREAM);
          auto address_list = getAddress(address, port);
          if (address_list.length) {
			   listener.bind(address_list[0]);
			   sockSet = new SocketSet();
          }
		}
		catch (Exception e) {
			log(LogLevel.critical, e.toString());
			return false;
		}
		return true;
	}

	void start() {
		if (listener is null)
		{
			if (! setupSocket())
				return;
		}
		running = true;
		if (! isRunning) super.start();
	}

	void stop() {
		running = false;
	}

private:
	void run() {
		char[1024] buffer;

		while(running) {
			sockSet.reset();
			sockSet.add(listener);
			foreach (client; clients)
				sockSet.add(client);
				if (Socket.select(sockSet, null, null)) {
					foreach (client; clients)
					{
						if (sockSet.isSet(client)) {
							auto got = client.receive(buffer);
							client.send(buffer[0 .. got]);
						}
					}
					if (sockSet.isSet(listener)) {
						auto newSocket = listener.accept();
						newSocket.send("Hello!\n");
						clients ~= newSocket;
					}

				}
		}
	}
}

Andy Smith <andyrsmith gmail.com> writes:

On Thursday, 3 May 2018 at 23:58:24 UTC, Enjoys Math wrote:
 Error
 -----

 [...]


Haven't run it, but two things to try...

On D side.... try adding listen after bind.

On python side. Don't think you need to call bind the client 
socket ( this may cause problems).

Cheers,

A.

Enjoys Math <enjoysmath gmail.com> writes:

On Friday, 4 May 2018 at 13:52:29 UTC, Andy Smith wrote:
 On Thursday, 3 May 2018 at 23:58:24 UTC, Enjoys Math wrote:
 Error
 -----

 [...]


 Haven't run it, but two things to try...

 On D side.... try adding listen after bind.

 On python side. Don't think you need to call bind the client 
 socket ( this may cause problems).

 Cheers,

 A.

That got it to work, nvm.