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ospfd: api: add new ISM and NSM sync requests

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Signed-off-by: Christian Hopps <chopps@labn.net>
This commit is contained in:
Christian Hopps 2022-01-19 06:42:03 -05:00
parent b1e40ef0ea
commit 97355a6d92
3 changed files with 90 additions and 4 deletions
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2
ospfd/ospf_api.h
View File

@ -116,6 +116,8 @@ extern void msg_fifo_free(struct msg_fifo *fifo);
#define MSG_ORIGINATE_REQUEST 5
#define MSG_DELETE_REQUEST 6
#define MSG_SYNC_REACHABLE 7
#define MSG_SYNC_ISM 8
#define MSG_SYNC_NSM 9
/* Messages from OSPF daemon. */
#define MSG_REPLY 10

87
ospfd/ospf_apiserver.c
View File

@ -803,6 +803,12 @@ int ospf_apiserver_handle_msg(struct ospf_apiserver *apiserv, struct msg *msg)
case MSG_SYNC_REACHABLE:
rc = ospf_apiserver_handle_sync_reachable(apiserv, msg);
break;
case MSG_SYNC_ISM:
rc = ospf_apiserver_handle_sync_ism(apiserv, msg);
break;
case MSG_SYNC_NSM:
rc = ospf_apiserver_handle_sync_nsm(apiserv, msg);
break;
default:
zlog_warn("ospf_apiserver_handle_msg: Unknown message type: %d",
msg->hdr.msgtype);
@ -1347,8 +1353,9 @@ int ospf_apiserver_handle_sync_lsdb(struct ospf_apiserver *apiserv,
return rc;
}
/* -----------------------------------------------------------
* Followings are functions for Reachability synchronization.
/*
* -----------------------------------------------------------
* Followings are functions for synchronization.
* -----------------------------------------------------------
*/
@ -1391,15 +1398,86 @@ int ospf_apiserver_handle_sync_reachable(struct ospf_apiserver *apiserv,
XFREE(MTYPE_OSPF_APISERVER, abuf);
out:
zlog_info("ospf_apiserver_handle_sync_reachable: rc %d", rc);
/* Send a reply back to client with return code */
_rc = ospf_apiserver_send_reply(apiserv, seqnum, rc);
zlog_info("ospf_apiserver_handle_sync_reachable: _rc %d", _rc);
rc = rc ? rc : _rc;
apiserv->reachable_sync = !rc;
return rc;
}
int ospf_apiserver_handle_sync_ism(struct ospf_apiserver *apiserv,
struct msg *msg)
{
struct ospf *ospf = ospf_lookup_by_vrf_id(VRF_DEFAULT);
struct listnode *anode, *inode;
struct ospf_area *area;
struct ospf_interface *oi;
struct msg *m;
uint32_t seqnum = msg_get_seq(msg);
int _rc, rc = 0;
/* walk all areas */
for (ALL_LIST_ELEMENTS_RO(ospf->areas, anode, area)) {
/* walk all interfaces */
for (ALL_LIST_ELEMENTS_RO(area->oiflist, inode, oi)) {
m = new_msg_ism_change(seqnum, oi->address->u.prefix4,
area->area_id, oi->state);
rc = ospf_apiserver_send_msg(apiserv, m);
msg_free(m);
if (rc)
break;
}
if (rc)
break;
}
/* Send a reply back to client with return code */
_rc = ospf_apiserver_send_reply(apiserv, seqnum, rc);
return rc ? rc : _rc;
}
int ospf_apiserver_handle_sync_nsm(struct ospf_apiserver *apiserv,
struct msg *msg)
{
struct ospf *ospf = ospf_lookup_by_vrf_id(VRF_DEFAULT);
struct listnode *anode, *inode;
struct ospf_area *area;
struct ospf_interface *oi;
struct ospf_neighbor *nbr;
struct route_node *rn;
struct msg *m;
uint32_t seqnum = msg_get_seq(msg);
int _rc, rc = 0;
/* walk all areas */
for (ALL_LIST_ELEMENTS_RO(ospf->areas, anode, area)) {
/* walk all interfaces */
for (ALL_LIST_ELEMENTS_RO(area->oiflist, inode, oi)) {
/* walk all neighbors */
for (rn = route_top(oi->nbrs); rn;
rn = route_next(rn)) {
nbr = rn->info;
if (!nbr)
continue;
m = new_msg_nsm_change(
seqnum, oi->address->u.prefix4,
nbr->src, nbr->router_id, nbr->state);
rc = ospf_apiserver_send_msg(apiserv, m);
msg_free(m);
if (rc)
break;
}
if (rc)
break;
}
if (rc)
break;
}
/* Send a reply back to client with return code */
_rc = ospf_apiserver_send_reply(apiserv, seqnum, rc);
return rc ? rc : _rc;
}
/* -----------------------------------------------------------
* Following are functions to originate or update LSA
@ -2088,6 +2166,7 @@ int ospf_apiserver_del_if(struct interface *ifp)
if (!oi) {
/* This interface is known to Zebra but not to OSPF daemon
anymore. No need to tell clients about it */
zlog_warn("ifp name=%s not known to OSPFd", ifp->name);
return 0;
}

5
ospfd/ospf_apiserver.h
View File

@ -153,9 +153,14 @@ extern int ospf_apiserver_handle_sync_lsdb(struct ospf_apiserver *apiserv,
struct msg *msg);
extern int ospf_apiserver_handle_sync_reachable(struct ospf_apiserver *apiserv,
struct msg *msg);
extern int ospf_apiserver_handle_sync_ism(struct ospf_apiserver *apiserv,
struct msg *msg);
extern int ospf_apiserver_handle_sync_nsm(struct ospf_apiserver *apiserv,
struct msg *msg);
extern void ospf_apiserver_notify_reachable(struct route_table *ort,
struct route_table *nrt);
/* -----------------------------------------------------------
* Following are functions for LSA origination/deletion
* -----------------------------------------------------------