INTERPOSE (connect, int, int sockfd, const struct sockaddr * addr,
socklen_t addrlen)
{
v4v_addr_t peer, me;
char *val, *end;
int addend, ret;
CHECK_INTERPOSE (connect);
if (!is_our_fd (sockfd))
return orig_connect (sockfd, addr, addrlen);
if (v4v_map_sa_to_v4va (&peer, addr, addrlen))
return -EINVAL;
/* Bind the socket to a specific port if requested */
val = getenv ("V4V_CLIENT_PORT_ADDEND");
if (val != NULL) {
addend = strtol(val, &end, 10);
/* Sanitize the addend */
if (end == NULL || *end != '\0' || addend < 0)
return -EINVAL;
me.domain = V4V_DOMID_ANY;
me.port = peer.port + addend;
DEBUG_PRINTF ("BINDING CLIENT TO port %d\n", (int) me.port);
DEBUG_PRINTF (" AND SET %d AS THE PARTNER\n", (int) peer.domain);
ret = v4v_bind(sockfd, &me, peer.domain);
if (ret)
return ret;
}
DEBUG_PRINTF ("CONNECTING TO %d:%d\n", (int) peer.domain, (int) peer.port);
return v4v_connect (sockfd, &peer);
}
INTERPOSE (connect, int, int sockfd, const struct sockaddr * addr,
socklen_t addrlen)
{
v4v_addr_t peer;
CHECK_INTERPOSE (connect);
if (!is_our_fd (sockfd))
return orig_connect (sockfd, addr, addrlen);
if (v4v_map_sa_to_v4va (&peer, addr, addrlen))
return -EINVAL;
DEBUG_PRINTF ("CONNECTING TO %d:%d\n", (int) peer.domain, (int) peer.port);
return v4v_connect (sockfd, &peer);
}