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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 | * | |
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 | |
20 | */ | |
21 | ||
22 | #include <zebra.h> | |
23 | ||
24 | #include <lib/version.h> | |
25 | #include "getopt.h" | |
26 | #include "vector.h" | |
27 | #include "vty.h" | |
28 | #include "command.h" | |
29 | #include "memory.h" | |
30 | #include "memory_vty.h" | |
31 | #include "thread.h" | |
32 | #include "log.h" | |
33 | #include "prefix.h" | |
34 | #include "if.h" | |
35 | #include "privs.h" | |
36 | #include "sigevent.h" | |
37 | #include "vrf.h" | |
38 | #include "if_rmap.h" | |
39 | #include "libfrr.h" | |
40 | ||
41 | #include "ripngd/ripngd.h" | |
42 | #include "ripngd/ripng_nb.h" | |
43 | ||
44 | /* RIPngd options. */ | |
45 | struct option longopts[] = {{0}}; | |
46 | ||
47 | /* ripngd privileges */ | |
48 | zebra_capabilities_t _caps_p[] = {ZCAP_NET_RAW, ZCAP_BIND, ZCAP_SYS_ADMIN}; | |
49 | ||
50 | struct zebra_privs_t ripngd_privs = { | |
51 | #if defined(FRR_USER) | |
52 | .user = FRR_USER, | |
53 | #endif | |
54 | #if defined FRR_GROUP | |
55 | .group = FRR_GROUP, | |
56 | #endif | |
57 | #ifdef VTY_GROUP | |
58 | .vty_group = VTY_GROUP, | |
59 | #endif | |
60 | .caps_p = _caps_p, | |
61 | .cap_num_p = array_size(_caps_p), | |
62 | .cap_num_i = 0}; | |
63 | ||
64 | ||
65 | /* Master of threads. */ | |
66 | struct thread_master *master; | |
67 | ||
68 | static struct frr_daemon_info ripngd_di; | |
69 | ||
70 | /* SIGHUP handler. */ | |
71 | static void sighup(void) | |
72 | { | |
73 | zlog_info("SIGHUP received"); | |
74 | ||
75 | /* Reload config file. */ | |
76 | vty_read_config(NULL, ripngd_di.config_file, config_default); | |
77 | } | |
78 | ||
79 | /* SIGINT handler. */ | |
80 | static void sigint(void) | |
81 | { | |
82 | zlog_notice("Terminating on signal"); | |
83 | ||
84 | ripng_vrf_terminate(); | |
85 | if_rmap_terminate(); | |
86 | ripng_zebra_stop(); | |
87 | frr_fini(); | |
88 | exit(0); | |
89 | } | |
90 | ||
91 | /* SIGUSR1 handler. */ | |
92 | static void sigusr1(void) | |
93 | { | |
94 | zlog_rotate(); | |
95 | } | |
96 | ||
97 | struct quagga_signal_t ripng_signals[] = { | |
98 | { | |
99 | .signal = SIGHUP, | |
100 | .handler = &sighup, | |
101 | }, | |
102 | { | |
103 | .signal = SIGUSR1, | |
104 | .handler = &sigusr1, | |
105 | }, | |
106 | { | |
107 | .signal = SIGINT, | |
108 | .handler = &sigint, | |
109 | }, | |
110 | { | |
111 | .signal = SIGTERM, | |
112 | .handler = &sigint, | |
113 | }, | |
114 | }; | |
115 | ||
116 | static const struct frr_yang_module_info *ripngd_yang_modules[] = { | |
117 | &frr_interface_info, | |
118 | &frr_ripngd_info, | |
119 | }; | |
120 | ||
121 | FRR_DAEMON_INFO(ripngd, RIPNG, .vty_port = RIPNG_VTY_PORT, | |
122 | ||
123 | .proghelp = "Implementation of the RIPng routing protocol.", | |
124 | ||
125 | .signals = ripng_signals, | |
126 | .n_signals = array_size(ripng_signals), | |
127 | ||
128 | .privs = &ripngd_privs, | |
129 | ||
130 | .yang_modules = ripngd_yang_modules, | |
131 | .n_yang_modules = array_size(ripngd_yang_modules), ) | |
132 | ||
133 | #define DEPRECATED_OPTIONS "" | |
134 | ||
135 | /* RIPngd main routine. */ | |
136 | int main(int argc, char **argv) | |
137 | { | |
138 | frr_preinit(&ripngd_di, argc, argv); | |
139 | ||
140 | frr_opt_add("" DEPRECATED_OPTIONS, longopts, ""); | |
141 | ||
142 | while (1) { | |
143 | int opt; | |
144 | ||
145 | opt = frr_getopt(argc, argv, NULL); | |
146 | ||
147 | if (opt && opt < 128 && strchr(DEPRECATED_OPTIONS, opt)) { | |
148 | fprintf(stderr, | |
149 | "The -%c option no longer exists.\nPlease refer to the manual.\n", | |
150 | opt); | |
151 | continue; | |
152 | } | |
153 | ||
154 | if (opt == EOF) | |
155 | break; | |
156 | ||
157 | switch (opt) { | |
158 | case 0: | |
159 | break; | |
160 | default: | |
161 | frr_help_exit(1); | |
162 | break; | |
163 | } | |
164 | } | |
165 | ||
166 | master = frr_init(); | |
167 | ||
168 | /* Library inits. */ | |
169 | ripng_vrf_init(); | |
170 | ||
171 | /* RIPngd inits. */ | |
172 | ripng_init(); | |
173 | ripng_cli_init(); | |
174 | zebra_init(master); | |
175 | ||
176 | frr_config_fork(); | |
177 | frr_run(master); | |
178 | ||
179 | /* Not reached. */ | |
180 | return 0; | |
181 | } |