SOCKET sim_connect_sock (int32 ip, int32 port)
{
SOCKET newsock;
struct sockaddr_in name;
int32 sta;
newsock = sim_create_sock (); /* create socket */
if (newsock == INVALID_SOCKET) /* socket error? */
return newsock;
name.sin_family = AF_INET; /* name socket */
name.sin_port = htons ((unsigned short) port); /* insert port */
name.sin_addr.s_addr = htonl (ip); /* insert addr */
sta = sim_setnonblock (newsock); /* set nonblocking */
if (sta == SOCKET_ERROR) /* fcntl error? */
return sim_err_sock (newsock, "fcntl", 1);
sta = connect (newsock, (struct sockaddr *) &name, sizeof (name));
if ((sta == SOCKET_ERROR) &&
(WSAGetLastError () != WSAEWOULDBLOCK) &&
(WSAGetLastError () != WSAEINPROGRESS))
return sim_err_sock (newsock, "connect", 1);
return newsock; /* got it! */
}
SOCKET sim_accept_conn (SOCKET master, uint32 *ipaddr)
{
int32 sta, err;
#if defined (macintosh) || defined (__linux) || \
defined (__APPLE__) || defined (__OpenBSD__)
socklen_t size;
#elif defined (_WIN32) || defined (__EMX__) ||\
(defined (__ALPHA) && defined (__unix__))
int size;
#else
size_t size;
#endif
SOCKET newsock;
struct sockaddr_in clientname;
if (master == 0) return INVALID_SOCKET; /* not attached? */
size = sizeof (clientname);
newsock = accept (master, (struct sockaddr *) &clientname, &size);
if (newsock == INVALID_SOCKET) { /* error? */
err = WSAGetLastError ();
if (err != WSAEWOULDBLOCK)
printf ("Sockets: accept error %d\n", err);
return INVALID_SOCKET;
}
if (ipaddr != NULL) *ipaddr = ntohl (clientname.sin_addr.s_addr);
sta = sim_setnonblock (newsock); /* set nonblocking */
if (sta == SOCKET_ERROR) /* fcntl error? */
return sim_err_sock (newsock, "fcntl", 0);
return newsock;
}
SOCKET sim_master_sock (int32 port)
{
SOCKET newsock;
struct sockaddr_in name;
int32 sta;
newsock = sim_create_sock (); /* create socket */
if (newsock == INVALID_SOCKET) /* socket error? */
return newsock;
name.sin_family = AF_INET; /* name socket */
name.sin_port = htons ((unsigned short) port); /* insert port */
name.sin_addr.s_addr = htonl (INADDR_ANY); /* insert addr */
sta = bind (newsock, (struct sockaddr *) &name, sizeof (name));
if (sta == SOCKET_ERROR) /* bind error? */
return sim_err_sock (newsock, "bind", 1);
sta = sim_setnonblock (newsock); /* set nonblocking */
if (sta == SOCKET_ERROR) /* fcntl error? */
return sim_err_sock (newsock, "fcntl", 1);
sta = listen (newsock, 1); /* listen on socket */
if (sta == SOCKET_ERROR) /* listen error? */
return sim_err_sock (newsock, "listen", 1);
return newsock; /* got it! */
}