SWITCH_DECLARE(switch_status_t) switch_mcast_loopback(switch_socket_t *sock, uint8_t opt)
{
return apr_mcast_loopback(sock, opt);
}
static apr_status_t ma_group_join(const char *addr, apr_port_t port,
const char *bindaddr, apr_port_t bindport,
apr_pool_t *pool, server_rec *s)
{
apr_status_t rv;
if ((rv = apr_sockaddr_info_get(&ma_mgroup_sa, addr,
APR_UNSPEC, port,
APR_UNSPEC, pool)) != APR_SUCCESS) {
ap_log_error(APLOG_MARK, APLOG_ERR, rv, s,
"mod_advertise: ma_group_join apr_sockaddr_info_get(%s:%d) failed",
addr, port);
return rv;
}
if ((rv = apr_sockaddr_info_get(&ma_listen_sa, bindaddr,
ma_mgroup_sa->family, bindport,
APR_UNSPEC, pool)) != APR_SUCCESS) {
ap_log_error(APLOG_MARK, APLOG_ERR, rv, s,
"mod_advertise: ma_group_join apr_sockaddr_info_get(%s:%d) failed", bindaddr, bindport);
return rv;
}
if ((rv = apr_sockaddr_info_get(&ma_niface_sa, NULL,
ma_mgroup_sa->family, 0,
APR_UNSPEC, pool)) != APR_SUCCESS) {
ap_log_error(APLOG_MARK, APLOG_ERR, rv, s,
"mod_advertise: ma_group_join apr_sockaddr_info_get(0.0.0.0:0) failed");
return rv;
}
if ((rv = apr_socket_create(&ma_mgroup_socket,
ma_mgroup_sa->family,
SOCK_DGRAM,
APR_PROTO_UDP,
pool)) != APR_SUCCESS) {
ap_log_error(APLOG_MARK, APLOG_ERR, rv, s,
"mod_advertise: ma_group_join apr_socket_create failed");
return rv;
}
if ((rv = apr_socket_opt_set(ma_mgroup_socket,
APR_SO_REUSEADDR, 1)) != APR_SUCCESS) {
ap_log_error(APLOG_MARK, APLOG_ERR, rv, s,
"mod_advertise: ma_group_join apr_socket_opt_set failed");
return rv;
}
if ((rv = apr_socket_bind(ma_mgroup_socket, ma_listen_sa)) != APR_SUCCESS) {
ap_log_error(APLOG_MARK, APLOG_ERR, rv, s,
"mod_advertise: ma_group_join apr_socket_bind failed");
return rv;
}
if ((rv = apr_mcast_join(ma_mgroup_socket, ma_mgroup_sa,
ma_niface_sa, NULL)) != APR_SUCCESS) {
ap_log_error(APLOG_MARK, APLOG_DEBUG, rv, s,
"mod_advertise: ma_group_join apr_mcast_join failed");
if ((rv = apr_mcast_loopback(ma_mgroup_socket, 1)) != APR_SUCCESS) {
ap_log_error(APLOG_MARK, APLOG_WARNING, rv, s,
"mod_advertise: ma_group_join apr_mcast_loopback failed");
apr_socket_close(ma_mgroup_socket);
return rv;
}
}
if ((rv = apr_mcast_hops(ma_mgroup_socket,
MA_ADVERTISE_HOPS)) != APR_SUCCESS) {
ap_log_error(APLOG_MARK, APLOG_ERR, rv, s,
"mod_advertise: ma_group_join apr_mcast_hops failed");
/* Due a bug in apr (fixed by r1309332) apr_mcast_hops may fail */
apr_mcast_leave(ma_mgroup_socket, ma_mgroup_sa,
NULL, NULL);
apr_socket_close(ma_mgroup_socket);
return rv;
}
return APR_SUCCESS;
}