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5435a2bf | 1 | /* |
63d4bd12 QY |
2 | * VRRP entry point. |
3 | * Copyright (C) 2018-2019 Cumulus Networks, Inc. | |
4 | * Quentin Young | |
5435a2bf QY |
5 | * |
6 | * This program is free software; you can redistribute it and/or modify it | |
7 | * under the terms of the GNU General Public License as published by the Free | |
8 | * Software Foundation; either version 2 of the License, or (at your option) | |
9 | * any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
14 | * more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License along | |
17 | * with this program; see the file COPYING; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | #include <zebra.h> | |
21 | ||
22 | #include <lib/version.h> | |
63d4bd12 QY |
23 | |
24 | #include "lib/command.h" | |
25 | #include "lib/filter.h" | |
26 | #include "lib/getopt.h" | |
27 | #include "lib/if.h" | |
28 | #include "lib/libfrr.h" | |
29 | #include "lib/log.h" | |
30 | #include "lib/memory.h" | |
31 | #include "lib/nexthop.h" | |
32 | #include "lib/privs.h" | |
33 | #include "lib/sigevent.h" | |
34 | #include "lib/thread.h" | |
35 | #include "lib/vrf.h" | |
5435a2bf QY |
36 | |
37 | #include "vrrp.h" | |
78fb3dbe | 38 | #include "vrrp_debug.h" |
5435a2bf | 39 | #include "vrrp_vty.h" |
63d4bd12 | 40 | #include "vrrp_zebra.h" |
5435a2bf QY |
41 | |
42 | char backup_config_file[256]; | |
43 | ||
44 | zebra_capabilities_t _caps_p[] = { | |
40744000 | 45 | ZCAP_NET_RAW, |
5435a2bf QY |
46 | }; |
47 | ||
48 | struct zebra_privs_t vrrp_privs = { | |
49 | #if defined(FRR_USER) && defined(FRR_GROUP) | |
50 | .user = FRR_USER, | |
51 | .group = FRR_GROUP, | |
52 | #endif | |
53 | #if defined(VTY_GROUP) | |
54 | .vty_group = VTY_GROUP, | |
55 | #endif | |
56 | .caps_p = _caps_p, | |
57 | .cap_num_p = array_size(_caps_p), | |
58 | .cap_num_i = 0}; | |
59 | ||
19c38250 | 60 | struct option longopts[] = { {0} }; |
5435a2bf QY |
61 | |
62 | /* Master of threads. */ | |
63 | struct thread_master *master; | |
64 | ||
65 | /* SIGHUP handler. */ | |
66 | static void sighup(void) | |
67 | { | |
68 | zlog_info("SIGHUP received"); | |
69 | } | |
70 | ||
71 | /* SIGINT / SIGTERM handler. */ | |
f1175ba9 | 72 | static void __attribute__((noreturn)) sigint(void) |
5435a2bf QY |
73 | { |
74 | zlog_notice("Terminating on signal"); | |
75 | ||
f1175ba9 QY |
76 | vrrp_fini(); |
77 | ||
5435a2bf QY |
78 | exit(0); |
79 | } | |
80 | ||
81 | /* SIGUSR1 handler. */ | |
82 | static void sigusr1(void) | |
83 | { | |
84 | zlog_rotate(); | |
85 | } | |
86 | ||
87 | struct quagga_signal_t vrrp_signals[] = { | |
88 | { | |
89 | .signal = SIGHUP, | |
90 | .handler = &sighup, | |
91 | }, | |
92 | { | |
93 | .signal = SIGUSR1, | |
94 | .handler = &sigusr1, | |
95 | }, | |
96 | { | |
97 | .signal = SIGINT, | |
98 | .handler = &sigint, | |
99 | }, | |
100 | { | |
101 | .signal = SIGTERM, | |
102 | .handler = &sigint, | |
103 | }, | |
104 | }; | |
105 | ||
106 | static const struct frr_yang_module_info *vrrp_yang_modules[] = { | |
a8144d7f | 107 | &frr_interface_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), | |
119 | ) | |
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); | |
139 | break; | |
140 | } | |
141 | } | |
142 | ||
143 | master = frr_init(); | |
144 | ||
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 | } |