#include "network.h"
#include "network.h"
#include "socket.h"

Result(Socket) socket_open_TCP(){
    Socket s = socket(AF_INET, SOCK_STREAM, 0);
    if(s == -1){
        return RESULT_ERROR("can't create socket", false);
    }

    return RESULT_VALUE(i64, s);
}

void socket_close(Socket s){
#if KN_USE_WINSOCK
    closesocket(s);
#else
    close(s);
#endif
}

Result(void) socket_shutdown(Socket s, SocketShutdownType direction){
    if(shutdown(s, (int)direction) == -1)
        return RESULT_ERROR("shutdown() failed", false);
    return RESULT_VOID;
}

Result(void) socket_bind(Socket s, EndpointIPv4 local_end){
    struct sockaddr_in sockaddr = EndpointIPv4_toSockaddr(local_end);
    if(bind(s, (void*)&sockaddr, sizeof(sockaddr)) != 0)
        return RESULT_ERROR("bind() failed", false);
    return RESULT_VOID;
}

Result(void) socket_listen(Socket s, i32 backlog){
    if(listen(s, backlog) != 0)
        return RESULT_ERROR("listen() failed", false);
    return RESULT_VOID;
}

Result(Socket) socket_accept(Socket main_socket) {
    struct sockaddr_in remote_addr = {0};
    i32 sockaddr_size = sizeof(remote_addr);
    Socket user_connection = accept(main_socket, (struct sockaddr*)&remote_addr, (void*)&sockaddr_size);
    return RESULT_VALUE(i64, user_connection);
}