diff options
Diffstat (limited to 'bgpd/rfapi/vnc_export_table.c')
| -rw-r--r-- | bgpd/rfapi/vnc_export_table.c | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/bgpd/rfapi/vnc_export_table.c b/bgpd/rfapi/vnc_export_table.c new file mode 100644 index 0000000000..5a96d8a52b --- /dev/null +++ b/bgpd/rfapi/vnc_export_table.c @@ -0,0 +1,214 @@ +/* + * + * Copyright 2009-2016, LabN Consulting, L.L.C. + * + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + */ + + +#include "zebra.h" +#include "prefix.h" +#include "table.h" +#include "memory.h" +#include "vty.h" + +#include "bgpd.h" +#include "bgp_route.h" + +#include "vnc_export_table.h" +#include "rfapi_private.h" +#include "rfapi_import.h" + +struct route_node * +vnc_etn_get (struct bgp *bgp, vnc_export_type_t type, struct prefix *p) +{ + struct route_table *t = NULL; + struct route_node *rn = NULL; + afi_t afi; + + if (!bgp || !bgp->rfapi) + return NULL; + + afi = family2afi (p->family); + assert (afi == AFI_IP || afi == AFI_IP6); + + switch (type) + { + case EXPORT_TYPE_BGP: + if (!bgp->rfapi->rt_export_bgp[afi]) + bgp->rfapi->rt_export_bgp[afi] = route_table_init (); + t = bgp->rfapi->rt_export_bgp[afi]; + break; + + case EXPORT_TYPE_ZEBRA: + if (!bgp->rfapi->rt_export_zebra[afi]) + bgp->rfapi->rt_export_zebra[afi] = route_table_init (); + t = bgp->rfapi->rt_export_zebra[afi]; + break; + } + + if (t) + rn = route_node_get (t, p); + return rn; +} + +struct route_node * +vnc_etn_lookup (struct bgp *bgp, vnc_export_type_t type, struct prefix *p) +{ + struct route_table *t = NULL; + struct route_node *rn = NULL; + afi_t afi; + + if (!bgp || !bgp->rfapi) + return NULL; + + afi = family2afi (p->family); + assert (afi == AFI_IP || afi == AFI_IP6); + + switch (type) + { + case EXPORT_TYPE_BGP: + if (!bgp->rfapi->rt_export_bgp[afi]) + bgp->rfapi->rt_export_bgp[afi] = route_table_init (); + t = bgp->rfapi->rt_export_bgp[afi]; + break; + + case EXPORT_TYPE_ZEBRA: + if (!bgp->rfapi->rt_export_zebra[afi]) + bgp->rfapi->rt_export_zebra[afi] = route_table_init (); + t = bgp->rfapi->rt_export_zebra[afi]; + break; + } + + if (t) + rn = route_node_lookup (t, p); + return rn; +} + +struct vnc_export_info * +vnc_eti_get ( + struct bgp *bgp, + vnc_export_type_t etype, + struct prefix *p, + struct peer *peer, + uint8_t type, + uint8_t subtype) +{ + struct route_node *etn; + struct vnc_export_info *eti; + + etn = vnc_etn_get (bgp, etype, p); + assert (etn); + + for (eti = etn->info; eti; eti = eti->next) + { + if (peer == eti->peer && type == eti->type && subtype == eti->subtype) + { + + break; + } + } + + if (eti) + { + route_unlock_node (etn); + } + else + { + eti = XCALLOC (MTYPE_RFAPI_ETI, sizeof (struct vnc_export_info)); + assert (eti); + eti->node = etn; + eti->peer = peer; + peer_lock (peer); + eti->type = type; + eti->subtype = subtype; + eti->next = etn->info; + etn->info = eti; + } + + return eti; +} + +void +vnc_eti_delete (struct vnc_export_info *goner) +{ + struct route_node *etn; + struct vnc_export_info *eti; + struct vnc_export_info *eti_prev = NULL; + + etn = goner->node; + + for (eti = etn->info; eti; eti_prev = eti, eti = eti->next) + { + if (eti == goner) + break; + } + + if (!eti) + { + zlog_debug ("%s: COULDN'T FIND ETI", __func__); + return; + } + + if (eti_prev) + { + eti_prev->next = goner->next; + } + else + { + etn->info = goner->next; + } + + peer_unlock (eti->peer); + goner->node = NULL; + XFREE (MTYPE_RFAPI_ETI, goner); + + route_unlock_node (etn); +} + +struct vnc_export_info * +vnc_eti_checktimer ( + struct bgp *bgp, + vnc_export_type_t etype, + struct prefix *p, + struct peer *peer, + uint8_t type, + uint8_t subtype) +{ + struct route_node *etn; + struct vnc_export_info *eti; + + etn = vnc_etn_lookup (bgp, etype, p); + if (!etn) + return NULL; + + for (eti = etn->info; eti; eti = eti->next) + { + if (peer == eti->peer && type == eti->type && subtype == eti->subtype) + { + + break; + } + } + + route_unlock_node (etn); + + if (eti && eti->timer) + return eti; + + return NULL; +} |