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acddc0ed | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
5435a2bf | 2 | /* |
63d4bd12 QY |
3 | * VRRP entry point. |
4 | * Copyright (C) 2018-2019 Cumulus Networks, Inc. | |
5 | * Quentin Young | |
5435a2bf QY |
6 | */ |
7 | #include <zebra.h> | |
8 | ||
2c38c794 DS |
9 | #include <getopt.h> |
10 | ||
5435a2bf | 11 | #include <lib/version.h> |
63d4bd12 QY |
12 | |
13 | #include "lib/command.h" | |
14 | #include "lib/filter.h" | |
63d4bd12 QY |
15 | #include "lib/if.h" |
16 | #include "lib/libfrr.h" | |
17 | #include "lib/log.h" | |
18 | #include "lib/memory.h" | |
19 | #include "lib/nexthop.h" | |
20 | #include "lib/privs.h" | |
21 | #include "lib/sigevent.h" | |
24a58196 | 22 | #include "lib/frrevent.h" |
63d4bd12 | 23 | #include "lib/vrf.h" |
534b98f9 | 24 | #include "lib/vty.h" |
5435a2bf QY |
25 | |
26 | #include "vrrp.h" | |
78fb3dbe | 27 | #include "vrrp_debug.h" |
5435a2bf | 28 | #include "vrrp_vty.h" |
63d4bd12 | 29 | #include "vrrp_zebra.h" |
5435a2bf | 30 | |
bf8d3d6a | 31 | DEFINE_MGROUP(VRRPD, "vrrpd"); |
7c136b08 | 32 | |
5435a2bf QY |
33 | char backup_config_file[256]; |
34 | ||
35 | zebra_capabilities_t _caps_p[] = { | |
40744000 | 36 | ZCAP_NET_RAW, |
5435a2bf QY |
37 | }; |
38 | ||
39 | struct zebra_privs_t vrrp_privs = { | |
40 | #if defined(FRR_USER) && defined(FRR_GROUP) | |
41 | .user = FRR_USER, | |
42 | .group = FRR_GROUP, | |
43 | #endif | |
44 | #if defined(VTY_GROUP) | |
45 | .vty_group = VTY_GROUP, | |
46 | #endif | |
47 | .caps_p = _caps_p, | |
48 | .cap_num_p = array_size(_caps_p), | |
49 | .cap_num_i = 0}; | |
50 | ||
19c38250 | 51 | struct option longopts[] = { {0} }; |
5435a2bf QY |
52 | |
53 | /* Master of threads. */ | |
cd9d0537 | 54 | struct event_loop *master; |
5435a2bf | 55 | |
534b98f9 QY |
56 | static struct frr_daemon_info vrrpd_di; |
57 | ||
5435a2bf QY |
58 | /* SIGHUP handler. */ |
59 | static void sighup(void) | |
60 | { | |
61 | zlog_info("SIGHUP received"); | |
534b98f9 QY |
62 | |
63 | vty_read_config(NULL, vrrpd_di.config_file, config_default); | |
5435a2bf QY |
64 | } |
65 | ||
66 | /* SIGINT / SIGTERM handler. */ | |
f1175ba9 | 67 | static void __attribute__((noreturn)) sigint(void) |
5435a2bf QY |
68 | { |
69 | zlog_notice("Terminating on signal"); | |
70 | ||
f1175ba9 QY |
71 | vrrp_fini(); |
72 | ||
41b21bfa MS |
73 | frr_fini(); |
74 | ||
5435a2bf QY |
75 | exit(0); |
76 | } | |
77 | ||
78 | /* SIGUSR1 handler. */ | |
79 | static void sigusr1(void) | |
80 | { | |
81 | zlog_rotate(); | |
82 | } | |
83 | ||
7cc91e67 | 84 | struct frr_signal_t vrrp_signals[] = { |
5435a2bf QY |
85 | { |
86 | .signal = SIGHUP, | |
87 | .handler = &sighup, | |
88 | }, | |
89 | { | |
90 | .signal = SIGUSR1, | |
91 | .handler = &sigusr1, | |
92 | }, | |
93 | { | |
94 | .signal = SIGINT, | |
95 | .handler = &sigint, | |
96 | }, | |
97 | { | |
98 | .signal = SIGTERM, | |
99 | .handler = &sigint, | |
100 | }, | |
101 | }; | |
102 | ||
0d8c7a26 | 103 | static const struct frr_yang_module_info *const vrrp_yang_modules[] = { |
fb7f5aa8 | 104 | &frr_filter_info, |
57f4b459 | 105 | &frr_vrf_info, |
a8144d7f | 106 | &frr_interface_info, |
f495425b | 107 | &frr_vrrpd_info, |
5435a2bf QY |
108 | }; |
109 | ||
8261c2e3 | 110 | #define VRRP_VTY_PORT 2619 |
5435a2bf QY |
111 | |
112 | FRR_DAEMON_INFO(vrrpd, VRRP, .vty_port = VRRP_VTY_PORT, | |
113 | .proghelp = "Virtual Router Redundancy Protocol", | |
114 | .signals = vrrp_signals, | |
115 | .n_signals = array_size(vrrp_signals), | |
116 | .privs = &vrrp_privs, | |
117 | .yang_modules = vrrp_yang_modules, | |
118 | .n_yang_modules = array_size(vrrp_yang_modules), | |
80413c20 | 119 | ); |
5435a2bf QY |
120 | |
121 | int main(int argc, char **argv, char **envp) | |
122 | { | |
123 | frr_preinit(&vrrpd_di, argc, argv); | |
124 | frr_opt_add("", longopts, ""); | |
125 | ||
126 | while (1) { | |
127 | int opt; | |
128 | ||
129 | opt = frr_getopt(argc, argv, NULL); | |
130 | ||
131 | if (opt == EOF) | |
132 | break; | |
133 | ||
134 | switch (opt) { | |
135 | case 0: | |
136 | break; | |
137 | default: | |
138 | frr_help_exit(1); | |
5435a2bf QY |
139 | } |
140 | } | |
141 | ||
142 | master = frr_init(); | |
143 | ||
7d938b22 | 144 | access_list_init(); |
78fb3dbe | 145 | vrrp_debug_init(); |
5435a2bf QY |
146 | vrrp_zebra_init(); |
147 | vrrp_vty_init(); | |
148 | vrrp_init(); | |
149 | ||
150 | snprintf(backup_config_file, sizeof(backup_config_file), | |
151 | "%s/vrrpd.conf", frr_sysconfdir); | |
152 | vrrpd_di.backup_config_file = backup_config_file; | |
153 | ||
154 | frr_config_fork(); | |
155 | frr_run(master); | |
156 | ||
157 | /* Not reached. */ | |
158 | return 0; | |
159 | } |