int
isis_zebra_if_del (int command, struct zclient *zclient, zebra_size_t length)
{
struct interface *ifp;
struct stream *s;
s = zclient->ibuf;
ifp = zebra_interface_state_read (s);
if (!ifp)
return 0;
if (if_is_operative (ifp))
zlog_warn ("Zebra: got delete of %s, but interface is still up",
ifp->name);
zlog_debug ("Zebra I/F delete: %s index %d flags %ld metric %d mtu %d",
ifp->name, ifp->ifindex, ifp->flags, ifp->metric, ifp->mtu);
if_delete (ifp);
isis_csm_state_change (IF_DOWN_FROM_Z, circuit_scan_by_ifp (ifp), ifp);
return 0;
}
static int
isis_zebra_if_del (int command, struct zclient *zclient, zebra_size_t length)
{
struct interface *ifp;
struct stream *s;
s = zclient->ibuf;
ifp = zebra_interface_state_read (s);
if (!ifp)
return 0;
if (if_is_operative (ifp))
zlog_warn ("Zebra: got delete of %s, but interface is still up",
ifp->name);
if (isis->debugs & DEBUG_ZEBRA)
zlog_debug ("Zebra I/F delete: %s index %d flags %ld metric %d mtu %d",
ifp->name, ifp->ifindex, (long)ifp->flags, ifp->metric, ifp->mtu);
/* Cannot call if_delete because we should retain the pseudo interface
in case there is configuration info attached to it. */
if_delete_retain(ifp);
isis_csm_state_change (IF_DOWN_FROM_Z, circuit_scan_by_ifp (ifp), ifp);
ifp->ifindex = IFINDEX_INTERNAL;
return 0;
}
int
isis_zebra_if_state_up (int command, struct zclient *zclient,
zebra_size_t length)
{
struct interface *ifp;
ifp = zebra_interface_if_lookup (zclient->ibuf);
if (!ifp)
return 0;
if (if_is_operative (ifp))
{
zebra_interface_if_set_value (zclient->ibuf, ifp);
/* HT: This is wrong actually. We can't assume that circuit exist
* if we delete circuit during if_state_down event. Needs rethink.
* TODO */
isis_circuit_update_params (circuit_scan_by_ifp (ifp), ifp);
return 0;
}
zebra_interface_if_set_value (zclient->ibuf, ifp);
isis_csm_state_change (IF_UP_FROM_Z, circuit_scan_by_ifp (ifp), ifp);
return 0;
}
static int
isis_zebra_if_state_up (int command, struct zclient *zclient,
zebra_size_t length, vrf_id_t vrf_id)
{
struct interface *ifp;
ifp = zebra_interface_state_read (zclient->ibuf, vrf_id);
if (ifp == NULL)
return 0;
isis_csm_state_change (IF_UP_FROM_Z, circuit_scan_by_ifp (ifp), ifp);
return 0;
}
static int
isis_kroute_if_state_up (int command, struct zclient *zclient,
kroute_size_t length)
{
struct interface *ifp;
ifp = kroute_interface_state_read (zclient->ibuf);
if (ifp == NULL)
return 0;
isis_csm_state_change (IF_UP_FROM_Z, circuit_scan_by_ifp (ifp), ifp);
return 0;
}
int
isis_zebra_if_add (int command, struct zclient *zclient, zebra_size_t length)
{
struct interface *ifp;
ifp = zebra_interface_add_read (zclient->ibuf);
zlog_debug ("Zebra I/F add: %s index %d flags %ld metric %d mtu %d",
ifp->name, ifp->ifindex, ifp->flags, ifp->metric, ifp->mtu);
if (if_is_operative (ifp))
isis_csm_state_change (IF_UP_FROM_Z, circuit_scan_by_ifp (ifp), ifp);
return 0;
}
static int
isis_kroute_if_add (int command, struct zclient *zclient, kroute_size_t length)
{
struct interface *ifp;
ifp = kroute_interface_add_read (zclient->ibuf);
if (isis->debugs & DEBUG_KROUTE)
zlog_debug ("Kroute I/F add: %s index %d flags %ld metric %d mtu %d",
ifp->name, ifp->ifindex, (long)ifp->flags, ifp->metric, ifp->mtu);
if (if_is_operative (ifp))
isis_csm_state_change (IF_UP_FROM_Z, circuit_scan_by_ifp (ifp), ifp);
return 0;
}
int
isis_zebra_if_state_down (int command, struct zclient *zclient,
zebra_size_t length)
{
struct interface *ifp;
ifp = zebra_interface_if_lookup (zclient->ibuf);
if (ifp == NULL)
return 0;
if (if_is_operative (ifp))
{
zebra_interface_if_set_value (zclient->ibuf, ifp);
isis_csm_state_change (IF_DOWN_FROM_Z, circuit_scan_by_ifp (ifp), ifp);
}
return 0;
}
static int
isis_zebra_if_state_down (int command, struct zclient *zclient,
zebra_size_t length, vrf_id_t vrf_id)
{
struct interface *ifp;
struct isis_circuit *circuit;
ifp = zebra_interface_state_read (zclient->ibuf, vrf_id);
if (ifp == NULL)
return 0;
circuit = isis_csm_state_change (IF_DOWN_FROM_Z, circuit_scan_by_ifp (ifp),
ifp);
if (circuit)
SET_FLAG(circuit->flags, ISIS_CIRCUIT_FLAPPED_AFTER_SPF);
return 0;
}
int
isis_area_destroy (const char *area_tag)
{
struct isis_area *area;
struct listnode *node, *nnode;
struct isis_circuit *circuit;
area = isis_area_lookup (area_tag);
if (area == NULL)
{
Log(LOG_WARNING, "WARN ( %s/core/ISIS ): Can't find ISIS instance %s\n", config.name, area_tag);
return TRUE;
}
if (area->circuit_list)
{
for (ALL_LIST_ELEMENTS (area->circuit_list, node, nnode, circuit))
{
/* The fact that it's in circuit_list means that it was configured */
isis_csm_state_change (ISIS_DISABLE, circuit, area);
isis_circuit_down (circuit);
isis_circuit_deconfigure (circuit, area);
}
isis_list_delete (area->circuit_list);
}
isis_listnode_delete (isis->area_list, area);
if (area->t_remove_aged)
thread_cancel (area->t_remove_aged);
THREAD_TIMER_OFF (area->spftree[0]->t_spf);
THREAD_TIMER_OFF (area->spftree[1]->t_spf);
free(area);
isis->sysid_set=0;
return FALSE;
}
