ChamSys MagicQ - Page 272

ChamSys Ltd www.chamsys.co.uk
MagicQ User Manual 272 Version 1.4.9.0
byte message[MAX_CREP_MSG];
remote_ether_message_t *rem = (remote_ether_message_t *) message;
int nbytes;
struct sockaddr_in name;
if (!remote_ether_sock) return (FALSE);
if (size>(MAX_CREP_MSG-sizeof(remote_ether_message_t)+1))
{
size = MAX_CREP_MSG-sizeof(remote_ether_message_t)+1;
}
rem->chamsys = (('C'<<24)|('R'<<16)|('E'<<8)|('P'));
rem->version = wswap(0);
rem->seq_fwd = remote_ether_fwd;
rem->seq_bkwd = remote_ether_bkwd;
rem->length = wswap(size);
memcpy(&(rem->data),data,size);
my_broadcast_address.s_addr = ip_address | ~subnet_address;
name.sin_family = AF_INET;
name.sin_port = htons (REMOTE_ETHER_PORT);
name.sin_addr.s_addr = dwswap (my_broadcast_address.s_addr);
nbytes = sendto (remote_ether_sock, message, size +
(sizeof(remote_ether_message_t)-1), 0,
(struct sockaddr *) & name, sizeof(name));
if (nbytes>0) remote_ether_fwd++;
return (TRUE);
}