void toall(void (*f)(struct sockaddr *, int, struct interface *, int),
int rtstate, struct interface *skipif)
{
struct interface *ifp;
struct sockaddr *dst;
int flags;
struct cfg_interface *ifcp; // Added by Mason Yu for bind interface
//if(!ripversion)
// return;
for (ifp = ifnet; ifp; ifp = ifp->int_next) {
/* check if this interface be configured to supply RIP */
// Modified by Mason Yu for bind interface
//if(!if_cfg_lookup(ifp->int_name))
// continue;
ifcp = (struct cfg_interface *)if_cfg_lookup(ifp->int_name);
// Kaohj -- check send mode
//if (!ifcp)
if (!ifcp || ifcp->send_mode == RIP_NONE)
continue;
// Added by Mason Yu for bind interface
// Kaohj
#if 0
//ripversion = ifcp->send_mode;
if ( ifcp->send_mode == RIP_V1_COMPAT ) {
ripversion = RIP_V2;
multicast = 0;
} else if ( ifcp->send_mode == RIP_V2 ) {
multicast = 1;
}
#else
if (ifcp->send_mode == RIP_V2 || ifcp->send_mode == RIP_V1_V2)
multicast = 1;
else
multicast = 0;
#endif
if (ifp->int_flags & IFF_PASSIVE || ifp == skipif)
continue;
dst = ifp->int_flags & IFF_BROADCAST ? &ifp->int_broadaddr :
ifp->int_flags & IFF_POINTOPOINT ? &ifp->int_dstaddr :
&ifp->int_addr;
flags = ifp->int_flags & IFF_INTERFACE ? MSG_DONTROUTE : 0;
// Casey, set multicast interface
// Kaohj modified
//if(ripversion == 2 && multicast) {
if(multicast) {
set_mcast_if(&ifp->int_addr);
}
//
(*f)(dst, flags, ifp, rtstate);
}
}
/*
* Set up sending multicast socket over UDP
*/
static struct socket * make_send_sock(void)
{
struct socket *sock;
/* First create a socket */
if (sock_create(PF_INET, SOCK_DGRAM, IPPROTO_UDP, &sock) < 0) {
IP_VS_ERR("Error during creation of socket; terminating\n");
return NULL;
}
if (set_mcast_if(sock->sk, ip_vs_mcast_ifn) < 0) {
IP_VS_ERR("Error setting outbound mcast interface\n");
goto error;
}
set_mcast_loop(sock->sk, 0);
set_mcast_ttl(sock->sk, 1);
if (bind_mcastif_addr(sock, ip_vs_mcast_ifn) < 0) {
IP_VS_ERR("Error binding address of the mcast interface\n");
goto error;
}
if (sock->ops->connect(sock,
(struct sockaddr*)&mcast_addr,
sizeof(struct sockaddr), 0) < 0) {
IP_VS_ERR("Error connecting to the multicast addr\n");
goto error;
}
return sock;
error:
sock_release(sock);
return NULL;
}