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718e3744 | 1 | /* |
2 | * RIPngd main routine. | |
3 | * Copyright (C) 1998, 1999 Kunihiro Ishiguro | |
4 | * | |
5 | * This file is part of GNU Zebra. | |
6 | * | |
7 | * GNU Zebra is free software; you can redistribute it and/or modify it | |
8 | * under the terms of the GNU General Public License as published by the | |
9 | * Free Software Foundation; either version 2, or (at your option) any | |
10 | * later version. | |
11 | * | |
12 | * GNU Zebra is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | * | |
896014f4 DL |
17 | * You should have received a copy of the GNU General Public License along |
18 | * with this program; see the file COPYING; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
718e3744 | 20 | */ |
21 | ||
22 | #include <zebra.h> | |
23 | ||
5e4fa164 | 24 | #include <lib/version.h> |
718e3744 | 25 | #include "getopt.h" |
26 | #include "vector.h" | |
27 | #include "vty.h" | |
28 | #include "command.h" | |
a94434b6 | 29 | #include "memory.h" |
fc7948fa | 30 | #include "memory_vty.h" |
718e3744 | 31 | #include "thread.h" |
32 | #include "log.h" | |
33 | #include "prefix.h" | |
34 | #include "if.h" | |
edd7c245 | 35 | #include "privs.h" |
2d75d052 | 36 | #include "sigevent.h" |
6a69b354 | 37 | #include "vrf.h" |
4f04a76b | 38 | #include "libfrr.h" |
718e3744 | 39 | |
40 | #include "ripngd/ripngd.h" | |
41 | ||
718e3744 | 42 | /* RIPngd options. */ |
d62a17ae | 43 | struct option longopts[] = {{"retain", no_argument, NULL, 'r'}, {0}}; |
718e3744 | 44 | |
edd7c245 | 45 | /* ripngd privileges */ |
d62a17ae | 46 | zebra_capabilities_t _caps_p[] = {ZCAP_NET_RAW, ZCAP_BIND}; |
edd7c245 | 47 | |
d62a17ae | 48 | struct zebra_privs_t ripngd_privs = { |
b2f36157 | 49 | #if defined(FRR_USER) |
d62a17ae | 50 | .user = FRR_USER, |
edd7c245 | 51 | #endif |
b2f36157 | 52 | #if defined FRR_GROUP |
d62a17ae | 53 | .group = FRR_GROUP, |
d81fadfd | 54 | #endif |
55 | #ifdef VTY_GROUP | |
d62a17ae | 56 | .vty_group = VTY_GROUP, |
edd7c245 | 57 | #endif |
d62a17ae | 58 | .caps_p = _caps_p, |
59 | .cap_num_p = 2, | |
60 | .cap_num_i = 0}; | |
edd7c245 | 61 | |
62 | ||
718e3744 | 63 | /* RIPngd program name */ |
64 | ||
65 | /* Route retain mode flag. */ | |
66 | int retain_mode = 0; | |
67 | ||
68 | /* Master of threads. */ | |
69 | struct thread_master *master; | |
70 | ||
eb05883f | 71 | static struct frr_daemon_info ripngd_di; |
718e3744 | 72 | |
718e3744 | 73 | /* SIGHUP handler. */ |
d62a17ae | 74 | static void sighup(void) |
718e3744 | 75 | { |
d62a17ae | 76 | zlog_info("SIGHUP received"); |
77 | ripng_clean(); | |
78 | ripng_reset(); | |
a94434b6 | 79 | |
d62a17ae | 80 | /* Reload config file. */ |
81 | vty_read_config(ripngd_di.config_file, config_default); | |
a94434b6 | 82 | |
d62a17ae | 83 | /* Try to return to normal operation. */ |
718e3744 | 84 | } |
85 | ||
86 | /* SIGINT handler. */ | |
d62a17ae | 87 | static void sigint(void) |
718e3744 | 88 | { |
d62a17ae | 89 | zlog_notice("Terminating on signal"); |
718e3744 | 90 | |
d62a17ae | 91 | if (!retain_mode) |
92 | ripng_clean(); | |
718e3744 | 93 | |
d62a17ae | 94 | ripng_zebra_stop(); |
8879bd22 | 95 | frr_fini(); |
d62a17ae | 96 | exit(0); |
718e3744 | 97 | } |
98 | ||
99 | /* SIGUSR1 handler. */ | |
d62a17ae | 100 | static void sigusr1(void) |
718e3744 | 101 | { |
d62a17ae | 102 | zlog_rotate(); |
718e3744 | 103 | } |
104 | ||
d62a17ae | 105 | struct quagga_signal_t ripng_signals[] = { |
106 | { | |
107 | .signal = SIGHUP, | |
108 | .handler = &sighup, | |
109 | }, | |
110 | { | |
111 | .signal = SIGUSR1, | |
112 | .handler = &sigusr1, | |
113 | }, | |
114 | { | |
115 | .signal = SIGINT, | |
116 | .handler = &sigint, | |
117 | }, | |
118 | { | |
119 | .signal = SIGTERM, | |
120 | .handler = &sigint, | |
121 | }, | |
2d75d052 | 122 | }; |
6b0655a2 | 123 | |
d62a17ae | 124 | FRR_DAEMON_INFO(ripngd, RIPNG, .vty_port = RIPNG_VTY_PORT, |
4f04a76b | 125 | |
d62a17ae | 126 | .proghelp = "Implementation of the RIPng routing protocol.", |
4f04a76b | 127 | |
d62a17ae | 128 | .signals = ripng_signals, |
129 | .n_signals = array_size(ripng_signals), | |
4f04a76b | 130 | |
d62a17ae | 131 | .privs = &ripngd_privs, ) |
4f04a76b | 132 | |
718e3744 | 133 | /* RIPngd main routine. */ |
d62a17ae | 134 | int main(int argc, char **argv) |
718e3744 | 135 | { |
d62a17ae | 136 | frr_preinit(&ripngd_di, argc, argv); |
137 | frr_opt_add( | |
138 | "r", longopts, | |
139 | " -r, --retain When program terminates, retain added route by ripd.\n"); | |
140 | ||
141 | while (1) { | |
142 | int opt; | |
143 | ||
144 | opt = frr_getopt(argc, argv, NULL); | |
145 | ||
146 | if (opt == EOF) | |
147 | break; | |
148 | ||
149 | switch (opt) { | |
150 | case 0: | |
151 | break; | |
152 | case 'r': | |
153 | retain_mode = 1; | |
154 | break; | |
155 | default: | |
156 | frr_help_exit(1); | |
157 | break; | |
158 | } | |
718e3744 | 159 | } |
718e3744 | 160 | |
d62a17ae | 161 | master = frr_init(); |
718e3744 | 162 | |
d62a17ae | 163 | /* Library inits. */ |
164 | vrf_init(NULL, NULL, NULL, NULL); | |
718e3744 | 165 | |
d62a17ae | 166 | /* RIPngd inits. */ |
167 | ripng_init(); | |
168 | zebra_init(master); | |
169 | ripng_peer_init(); | |
a94434b6 | 170 | |
d62a17ae | 171 | frr_config_fork(); |
172 | frr_run(master); | |
718e3744 | 173 | |
d62a17ae | 174 | /* Not reached. */ |
175 | return 0; | |
718e3744 | 176 | } |