ChamSys MagicQ User Manual - Manual (Page 271)

MagicQ User Manual 242 / 355
\{
struct sockaddr_in name;
char opts[100];
socklen_t optlen = 100;
int flags;
int i;
// For Windows OS we need to start winsocket
#ifndef LINUX
\{
WSAData ws;
int code;
code = WSAStartup(MAKEWORD(1,1),&ws);
}
#endif
if (remote_ether_sock)
\{
return (TRUE);
}
remote_ether_sock = socket (PF_INET, SOCK_DGRAM, 0);
getsockopt (remote_ether_sock,SOL_SOCKET,SO_REUSEADDR, opts, &optlen);
opts[0] = 1;
setsockopt (remote_ether_sock,SOL_SOCKET,SO_REUSEADDR, opts, optlen);
/* Give the socket a name. */
name.sin_family = AF_INET;
name.sin_port = htons (REMOTE_ETHER_PORT);
name.sin_addr.s_addr = htonl (INADDR_ANY);
if (bind (remote_ether_sock, ( struct sockaddr *) &name, sizeof (name)) <
)
\{
closesocket(remote_ether_sock);
return (FALSE);
}
getsockopt (remote_ether_sock,SOL_SOCKET,SO_BROADCAST, opts, &optlen);
opts[0] = 1;
setsockopt (remote_ether_sock,SOL_SOCKET,SO_BROADCAST, opts, optlen);
\{
u_long block;
block = 1;
ioctlsocket(remote_ether_sock,FIONBIO,&block);
}
return TRUE;
}
int remote_ether_rx( char *data, word16 size)
\{
char message[MAX_CREP_MSG];
int nbytes;
remote_ether_message_t *rem = (remote_ether_message_t *) message;
struct sockaddr_in name;
int name_len = sizeof (name);
if (!remote_ether_sock) return (0);
nbytes = recvfrom (remote_ether_sock,
message,
MAX_CREP_MSG,
0,
( struct sockaddr *) &name,
&name_len);
if (nbytes > 0)
\{