server.cpp

#if 0
#!/bin/sh

g++ -Wall `sdl-config --cflags` server.cpp -o server `sdl-config --libs` -lSDL_net

exit
#endif

#include <iostream>

#include "SDL_net.h"

int main(int argc, char **argv) {
    // Init SDL Net
    if (SDLNet_Init() < 0) {
        std::cout << "SDLNet_Init: " << SDLNet_GetError() << "\n";
        return 1;
    }
    // Start Server
    IPaddress myip;
    if (SDLNet_ResolveHost(&myip, NULL, 14000) < 0) {
        std::cout << "SDLNet_ResolveHost: " << SDLNet_GetError() << "\n";
        return 1;
    }
    TCPsocket socket = SDLNet_TCP_Open(&myip);
    if (!socket) {
        std::cout << "SDLNet_TCP_Open: " << SDLNet_GetError() << "\n";
        return 1;
    }
    // Wait to accept Client
    TCPsocket client = NULL;
    while (client == NULL) {
        client = SDLNet_TCP_Accept(socket);
    }
    IPaddress* hisip = SDLNet_TCP_GetPeerAddress(client);
    // Open UDP Socket
    UDPsocket udp = SDLNet_UDP_Open(0);
    if (!udp) {
        std::cout << "SDLNet_UDP_Open: " << SDLNet_GetError() << "\n";
        return 1;
    }
    // Allocate memory for the packet
    UDPpacket* p = SDLNet_AllocPacket(512);
    if (!p) {
        std::cout << "SDLNet_AllocPacket: " << SDLNet_GetError() << "\n";
        return 1;
    }

    bool running = true;
    int input;
    int ret;
    while (running) {
        std::cout << "Send\n> ";
        std::cin >> input;
        p->data = (Uint8*)input;
        p->address.host = hisip->host;
        p->address.port = hisip->port;
        p->len = sizeof(int);
        ret = SDLNet_UDP_Send(udp, -1, p);
        std::cout << "Success: " << ret << "\n";
        if (input == 0) {
            running = false;
        }
    }

    SDLNet_FreePacket(p);
    SDLNet_Quit();
}