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94 lines
2.0 KiB
C
94 lines
2.0 KiB
C
/*
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* PIM for Quagga
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* Copyright (C) 2015 Cumulus Networks, Inc.
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* Donald Sharp
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; see the file COPYING; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <zebra.h>
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#include "memory.h"
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#include "log.h"
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#include "if.h"
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#include "pimd.h"
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#include "pim_str.h"
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#include "pim_br.h"
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#include "linklist.h"
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struct pim_br {
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pim_sgaddr sg;
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pim_addr pmbr;
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};
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static struct list *pim_br_list = NULL;
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pim_addr pim_br_get_pmbr(pim_sgaddr *sg)
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{
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struct listnode *node;
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struct pim_br *pim_br;
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for (ALL_LIST_ELEMENTS_RO(pim_br_list, node, pim_br)) {
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if (!pim_sgaddr_cmp(*sg, pim_br->sg))
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return pim_br->pmbr;
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}
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return PIMADDR_ANY;
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}
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void pim_br_set_pmbr(pim_sgaddr *sg, pim_addr br)
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{
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struct listnode *node, *next;
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struct pim_br *pim_br;
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for (ALL_LIST_ELEMENTS(pim_br_list, node, next, pim_br)) {
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if (!pim_sgaddr_cmp(*sg, pim_br->sg))
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break;
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}
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if (!pim_br) {
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pim_br = XCALLOC(MTYPE_PIM_BR, sizeof(*pim_br));
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pim_br->sg = *sg;
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listnode_add(pim_br_list, pim_br);
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}
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pim_br->pmbr = br;
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}
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/*
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* Remove the (S,G) from the stored values
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*/
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void pim_br_clear_pmbr(pim_sgaddr *sg)
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{
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struct listnode *node, *next;
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struct pim_br *pim_br;
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for (ALL_LIST_ELEMENTS(pim_br_list, node, next, pim_br)) {
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if (!pim_sgaddr_cmp(*sg, pim_br->sg))
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break;
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}
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if (!pim_br)
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return;
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listnode_delete(pim_br_list, pim_br);
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}
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void pim_br_init(void)
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{
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pim_br_list = list_new();
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}
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