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90 lines
2.4 KiB
C
90 lines
2.4 KiB
C
/*
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PIM for Quagga
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Copyright (C) 2008 Everton da Silva Marques
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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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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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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING; if not, write to the
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Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
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MA 02110-1301 USA
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*/
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#include <zebra.h>
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#include <stdio.h>
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#include <errno.h>
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#include <string.h>
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#include "log.h"
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#include "pim_str.h"
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void pim_addr_dump (const char *onfail, struct prefix *p, char *buf, int buf_size)
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{
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int save_errno = errno;
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if (!inet_ntop(p->family, &p->u.prefix, buf, buf_size)) {
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zlog_warn("pim_addr_dump: inet_ntop(buf_size=%d): errno=%d: %s",
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buf_size, errno, safe_strerror(errno));
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if (onfail)
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snprintf(buf, buf_size, "%s", onfail);
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}
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errno = save_errno;
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}
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void pim_inet4_dump(const char *onfail, struct in_addr addr, char *buf, int buf_size)
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{
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int save_errno = errno;
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if (addr.s_addr == INADDR_ANY)
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strcpy(buf, "*");
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else
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{
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if (!inet_ntop(AF_INET, &addr, buf, buf_size)) {
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zlog_warn("pim_inet4_dump: inet_ntop(AF_INET,buf_size=%d): errno=%d: %s",
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buf_size, errno, safe_strerror(errno));
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if (onfail)
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snprintf(buf, buf_size, "%s", onfail);
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}
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}
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errno = save_errno;
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}
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char *
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pim_str_sg_dump (const struct prefix_sg *sg)
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{
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char src_str[INET_ADDRSTRLEN];
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char grp_str[INET_ADDRSTRLEN];
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static char sg_str[PIM_SG_LEN];
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pim_inet4_dump ("<src?>", sg->src, src_str, sizeof(src_str));
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pim_inet4_dump ("<grp?>", sg->grp, grp_str, sizeof(grp_str));
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snprintf (sg_str, PIM_SG_LEN, "(%s,%s)", src_str, grp_str);
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return sg_str;
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}
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char *
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pim_str_sg_set (const struct prefix_sg *sg, char *sg_str)
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{
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char src_str[INET_ADDRSTRLEN];
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char grp_str[INET_ADDRSTRLEN];
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pim_inet4_dump ("<src?>", sg->src, src_str, sizeof(src_str));
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pim_inet4_dump ("<grp?>", sg->grp, grp_str, sizeof(grp_str));
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snprintf (sg_str, PIM_SG_LEN, "(%s,%s)", src_str, grp_str);
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return sg_str;
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}
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