static void nhrp_zebra_connected(struct zclient *zclient)
{
zclient_send_reg_requests(zclient, VRF_DEFAULT);
zebra_redistribute_send(ZEBRA_REDISTRIBUTE_ADD, zclient, AFI_IP,
ZEBRA_ROUTE_ALL, 0, VRF_DEFAULT);
zebra_redistribute_send(ZEBRA_REDISTRIBUTE_ADD, zclient, AFI_IP6,
ZEBRA_ROUTE_ALL, 0, VRF_DEFAULT);
}
void ospf6_asbr_external_lsa_refresh(void)
{
int type;
if (ospf6 == NULL)
return;
for (type = 0; type < ZEBRA_ROUTE_MAX; type++)
{
if( (zclient->redist[type][0])&&(zclient->sock > 0) )
{
zebra_redistribute_send (ZEBRA_REDISTRIBUTE_DELETE, zclient, type, 0);
zebra_redistribute_send (ZEBRA_REDISTRIBUTE_ADD, zclient, type, 0);
}
}
}
/* Send requests to zebra daemon for the information in a VRF. */
void
zclient_send_requests (struct zclient *zclient, vrf_id_t vrf_id)
{
int i;
/* zclient is disabled. */
if (! zclient->enable)
return;
/* If not connected to the zebra yet. */
if (zclient->sock < 0)
return;
if (zclient_debug)
zlog_debug ("%s: send messages for VRF %u", __func__, vrf_id);
/* We need router-id information. */
zebra_message_send (zclient, ZEBRA_ROUTER_ID_ADD, vrf_id);
/* We need interface information. */
zebra_message_send (zclient, ZEBRA_INTERFACE_ADD, vrf_id);
/* Set unwanted redistribute route. */
vrf_bitmap_set (zclient->redist[zclient->redist_default], vrf_id);
/* Flush all redistribute request. */
for (i = 0; i < ZEBRA_ROUTE_MAX; i++)
if (i != zclient->redist_default &&
vrf_bitmap_check (zclient->redist[i], vrf_id))
zebra_redistribute_send (ZEBRA_REDISTRIBUTE_ADD, zclient, i, vrf_id);
/* If default information is needed. */
if (vrf_bitmap_check (zclient->default_information, VRF_DEFAULT))
zebra_message_send (zclient, ZEBRA_REDISTRIBUTE_DEFAULT_ADD, vrf_id);
}
/* Make connection to zebra daemon. */
int
zclient_start (struct zclient *zclient)
{
int i;
if (zclient_debug)
zlog_debug ("zclient_start is called");
/* zclient is disabled. */
if (! zclient->enable)
return 0;
/* If already connected to the zebra. */
if (zclient->sock >= 0)
return 0;
/* Check connect thread. */
if (zclient->t_connect)
return 0;
if (zclient_socket_connect(zclient) < 0)
{
if (zclient_debug)
zlog_debug ("zclient connection fail");
zclient->fail++;
zclient_event (ZCLIENT_CONNECT, zclient);
return -1;
}
if (set_nonblocking(zclient->sock) < 0)
zlog_warn("%s: set_nonblocking(%d) failed", __func__, zclient->sock);
/* Clear fail count. */
zclient->fail = 0;
if (zclient_debug)
zlog_debug ("zclient connect success with socket [%d]", zclient->sock);
/* Create read thread. */
zclient_event (ZCLIENT_READ, zclient);
zebra_hello_send (zclient);
/* We need router-id information. */
zebra_message_send (zclient, ZEBRA_ROUTER_ID_ADD);
/* We need interface information. */
zebra_message_send (zclient, ZEBRA_INTERFACE_ADD);
/* Flush all redistribute request. */
for (i = 0; i < ZEBRA_ROUTE_MAX; i++)
if (i != zclient->redist_default && zclient->redist[i])
zebra_redistribute_send (ZEBRA_REDISTRIBUTE_ADD, zclient, i);
/* If default information is needed. */
if (zclient->default_information)
zebra_message_send (zclient, ZEBRA_REDISTRIBUTE_DEFAULT_ADD);
return 0;
}
void
ospf6_zebra_no_redistribute (int type)
{
if (! zclient->redist[type])
return;
zclient->redist[type] = 0;
if (zclient->sock > 0)
zebra_redistribute_send (ZEBRA_REDISTRIBUTE_DELETE, zclient, type);
}
void rip_redistribute_conf_delete(struct rip *rip, int type)
{
if (zclient->sock > 0)
zebra_redistribute_send(ZEBRA_REDISTRIBUTE_DELETE, zclient,
AFI_IP, type, 0, rip->vrf->vrf_id);
/* Remove the routes from RIP table. */
rip_redistribute_withdraw(rip, type);
}
void rip_redistribute_disable(struct rip *rip)
{
for (int i = 0; i < ZEBRA_ROUTE_MAX; i++) {
if (!rip_redistribute_check(rip, i))
continue;
zebra_redistribute_send(ZEBRA_REDISTRIBUTE_DELETE, zclient,
AFI_IP, i, 0, rip->vrf->vrf_id);
}
}
static int
ripng_redistribute_unset (int type)
{
if (! zclient->redist[type])
return CMD_SUCCESS;
zclient->redist[type] = 0;
if (zclient->sock > 0)
zebra_redistribute_send (ZEBRA_REDISTRIBUTE_DELETE, zclient, type);
ripng_redistribute_withdraw (type);
return CMD_SUCCESS;
}
void
ospf6_zebra_no_redistribute (int type)
{
int top_change = 0;
if (!zclient->redist[type])
return;
if (ospf6_is_asbr (ospf6))
top_change = 1;
zclient->redist[type] = 0;
if (zclient->sock > 0)
zebra_redistribute_send (ZEBRA_REDISTRIBUTE_DELETE, zclient->sock, type);
if (top_change)
CALL_CHANGE_HOOK (&top_hook, ospf6);
}
void
zclient_redistribute (int command, struct zclient *zclient, int type)
{
if (command == ZEBRA_REDISTRIBUTE_ADD)
{
if (zclient->redist[type])
return;
zclient->redist[type] = 1;
}
else
{
if (!zclient->redist[type])
return;
zclient->redist[type] = 0;
}
if (zclient->sock > 0)
zebra_redistribute_send (command, zclient, type);
}
void
ripng_redistribute_clean ()
{
int i;
for (i = 0; redist_type[i].str; i++)
{
if (zclient->redist[redist_type[i].type])
{
if (zclient->sock > 0)
zebra_redistribute_send (ZEBRA_REDISTRIBUTE_DELETE,
zclient, redist_type[i].type);
zclient->redist[redist_type[i].type] = 0;
/* Remove the routes from RIPng table. */
ripng_redistribute_withdraw (redist_type[i].type);
}
}
}
void
zclient_redistribute (int command, struct zclient *zclient, int type,
vrf_id_t vrf_id)
{
if (command == ZEBRA_REDISTRIBUTE_ADD)
{
if (vrf_bitmap_check (zclient->redist[type], vrf_id))
return;
vrf_bitmap_set (zclient->redist[type], vrf_id);
}
else
{
if (!vrf_bitmap_check (zclient->redist[type], vrf_id))
return;
vrf_bitmap_unset (zclient->redist[type], vrf_id);
}
if (zclient->sock > 0)
zebra_redistribute_send (command, zclient, type, vrf_id);
}
/* Unset redistribution. */
int
bgp_redistribute_unset (struct bgp *bgp, afi_t afi, int type)
{
/* Unset flag from BGP instance. */
bgp->redist[afi][type] = 0;
/* Unset route-map. */
if (bgp->rmap[afi][type].name)
free (bgp->rmap[afi][type].name);
bgp->rmap[afi][type].name = NULL;
bgp->rmap[afi][type].map = NULL;
/* Unset metric. */
bgp->redist_metric_flag[afi][type] = 0;
bgp->redist_metric[afi][type] = 0;
/* Return if zebra connection is disabled. */
if (! vrf_bitmap_check (zclient->redist[type], VRF_DEFAULT))
return CMD_WARNING;
vrf_bitmap_unset (zclient->redist[type], VRF_DEFAULT);
if (bgp->redist[AFI_IP][type] == 0
&& bgp->redist[AFI_IP6][type] == 0
&& zclient->sock >= 0)
{
/* Send distribute delete message to zebra. */
if (BGP_DEBUG(zebra, ZEBRA))
zlog_debug("Zebra send: redistribute delete %s",
zebra_route_string(type));
zebra_redistribute_send (ZEBRA_REDISTRIBUTE_DELETE, zclient, type,
VRF_DEFAULT);
}
/* Withdraw redistributed routes from current BGP's routing table. */
bgp_redistribute_withdraw (bgp, afi, type);
return CMD_SUCCESS;
}
/* Other routes redistribution into BGP. */
int
bgp_redistribute_set (struct bgp *bgp, afi_t afi, int type)
{
/* Set flag to BGP instance. */
bgp->redist[afi][type] = 1;
/* Return if already redistribute flag is set. */
if (zclient->redist[type])
return CMD_WARNING;
zclient->redist[type] = 1;
/* Return if zebra connection is not established. */
if (zclient->sock < 0)
return CMD_WARNING;
if (BGP_DEBUG(zebra, ZEBRA))
zlog_debug("Zebra send: redistribute add %s", zebra_route_string(type));
/* Send distribute add message to zebra. */
zebra_redistribute_send (ZEBRA_REDISTRIBUTE_ADD, zclient, type);
return CMD_SUCCESS;
}
/* Make connection to zebra daemon. */
int
#undef zclient
zclient_start (struct_zclient *zclient)
{
int i;
if (zclient_debug)
zlog_debug ("zclient_start is called");
/* zclient is disabled. */
if (! zclient->enable)
return 0;
/* If already connected to the zebra. */
if (zclient->sock >= 0)
return 0;
/* Check connect thread. */
if (zclient->t_connect)
return 0;
/* Make socket. */
#ifdef HAVE_TCP_ZEBRA
zclient->sock = zclient_socket ();
#else
zclient->sock = zclient_socket_un (ZEBRA_SERV_PATH);
#endif /* HAVE_TCP_ZEBRA */
if (zclient->sock < 0)
{
if (zclient_debug)
zlog_debug ("zclient connection fail");
zclient->fail++;
zclient_event (ZCLIENT_CONNECT, zclient);
return -1;
}
/* Clear fail count. */
zclient->fail = 0;
if (zclient_debug)
zlog_debug ("zclient connect success with socket [%d]", zclient->sock);
/* Create read thread. */
zclient_event (ZCLIENT_READ, zclient);
/* We need interface information. */
zebra_message_send (zclient, ZEBRA_INTERFACE_ADD);
/* We need router-id information. */
zebra_message_send (zclient, ZEBRA_ROUTER_ID_ADD);
/* Flush all redistribute request. */
for (i = 0; i < ZEBRA_ROUTE_MAX; i++)
if (i != zclient->redist_default && zclient->redist[i])
zebra_redistribute_send (ZEBRA_REDISTRIBUTE_ADD, zclient->sock, i);
/* If default information is needed. */
if (zclient->default_information)
zebra_message_send (zclient, ZEBRA_REDISTRIBUTE_DEFAULT_ADD);
return 0;
}