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1 | /* | |
2 | * PIM for Quagga | |
3 | * Copyright (C) 2008 Everton da Silva Marques | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License as published by | |
7 | * the Free Software Foundation; either version 2 of the License, or | |
8 | * (at your option) any later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, but | |
11 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | * General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License along | |
16 | * with this program; see the file COPYING; if not, write to the Free Software | |
17 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
18 | */ | |
19 | ||
20 | #include <zebra.h> | |
21 | ||
22 | #include <stdio.h> | |
23 | #include <errno.h> | |
24 | #include <string.h> | |
25 | ||
26 | #include "log.h" | |
27 | ||
28 | #include "pim_str.h" | |
29 | ||
30 | void pim_addr_dump(const char *onfail, struct prefix *p, char *buf, | |
31 | int buf_size) | |
32 | { | |
33 | int save_errno = errno; | |
34 | ||
35 | if (!inet_ntop(p->family, &p->u.prefix, buf, buf_size)) { | |
36 | zlog_warn("pim_addr_dump: inet_ntop(buf_size=%d): errno=%d: %s", | |
37 | buf_size, errno, safe_strerror(errno)); | |
38 | if (onfail) | |
39 | snprintf(buf, buf_size, "%s", onfail); | |
40 | } | |
41 | ||
42 | errno = save_errno; | |
43 | } | |
44 | ||
45 | void pim_inet4_dump(const char *onfail, struct in_addr addr, char *buf, | |
46 | int buf_size) | |
47 | { | |
48 | int save_errno = errno; | |
49 | ||
50 | if (addr.s_addr == INADDR_ANY) | |
51 | strcpy(buf, "*"); | |
52 | else { | |
53 | if (!inet_ntop(AF_INET, &addr, buf, buf_size)) { | |
54 | zlog_warn( | |
55 | "pim_inet4_dump: inet_ntop(AF_INET,buf_size=%d): errno=%d: %s", | |
56 | buf_size, errno, safe_strerror(errno)); | |
57 | if (onfail) | |
58 | snprintf(buf, buf_size, "%s", onfail); | |
59 | } | |
60 | } | |
61 | ||
62 | errno = save_errno; | |
63 | } | |
64 | ||
65 | char *pim_str_sg_dump(const struct prefix_sg *sg) | |
66 | { | |
67 | char src_str[INET_ADDRSTRLEN]; | |
68 | char grp_str[INET_ADDRSTRLEN]; | |
69 | static char sg_str[PIM_SG_LEN]; | |
70 | ||
71 | pim_inet4_dump("<src?>", sg->src, src_str, sizeof(src_str)); | |
72 | pim_inet4_dump("<grp?>", sg->grp, grp_str, sizeof(grp_str)); | |
73 | snprintf(sg_str, PIM_SG_LEN, "(%s,%s)", src_str, grp_str); | |
74 | ||
75 | return sg_str; | |
76 | } | |
77 | ||
78 | char *pim_str_sg_set(const struct prefix_sg *sg, char *sg_str) | |
79 | { | |
80 | char src_str[INET_ADDRSTRLEN]; | |
81 | char grp_str[INET_ADDRSTRLEN]; | |
82 | ||
83 | pim_inet4_dump("<src?>", sg->src, src_str, sizeof(src_str)); | |
84 | pim_inet4_dump("<grp?>", sg->grp, grp_str, sizeof(grp_str)); | |
85 | snprintf(sg_str, PIM_SG_LEN, "(%s,%s)", src_str, grp_str); | |
86 | ||
87 | return sg_str; | |
88 | } |