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Network / Simple Network test program not working (newbie)

« on: July 19, 2020, 05:23:29 am »

This is a simple program I wrote to test the functionality of the network library. I just need to know if it's my code that's the issue, or if there's any device and network business that's preventing it from working.

#include <iostream>
#include <SFML/Network.hpp>
using namespace std;
using namespace sf;

TcpListener listener; // host socket that listens for new connections
TcpSocket socket; // client to host communication socket

int main()
{
        cout << "Host or client?\n"
                << "A - Host\n"
                << "B - Client\n";
        char input;
        cin >> input;
        if (input < 'a') input += 'a' - 'A';
        if (input == 'a') {
                cout << "Your IP:" << IpAddress::getPublicAddress().toString() << endl;
                listener.listen(31415);
                listener.accept(socket);
                Packet packet;
                socket.receive(packet);
                char message[40];
                packet >> message;
                cout << message;
        }
        else {
                char ip[16];
                cout << "Enter host IP:\n";
                cin >> ip;
                if (socket.connect(ip, 31415, seconds(5)) == Socket::Status::Done) {
                        cout << "Send a message:\n";
                        char message[40];
                        cin.getline(message, 40);
                        cin.getline(message, 40);
                        Packet packet;
                        packet << message;
                        socket.send(packet);
                }
                else {
                        cout << "No connection available.\n";
                }
        }
        char message[40];
        cin.getline(message, 40);
        cin.getline(message, 40);
}
 

Any feedback is welcome. Thanks!