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