1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
|
/*
* VRRP entry point.
* Copyright (C) 2018-2019 Cumulus Networks, Inc.
* Quentin Young
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; see the file COPYING; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <zebra.h>
#include <lib/version.h>
#include "lib/command.h"
#include "lib/filter.h"
#include "lib/getopt.h"
#include "lib/if.h"
#include "lib/libfrr.h"
#include "lib/log.h"
#include "lib/memory.h"
#include "lib/nexthop.h"
#include "lib/privs.h"
#include "lib/sigevent.h"
#include "lib/thread.h"
#include "lib/vrf.h"
#include "lib/vty.h"
#include "vrrp.h"
#include "vrrp_debug.h"
#include "vrrp_vty.h"
#include "vrrp_zebra.h"
DEFINE_MGROUP(VRRPD, "vrrpd");
char backup_config_file[256];
zebra_capabilities_t _caps_p[] = {
ZCAP_NET_RAW,
};
struct zebra_privs_t vrrp_privs = {
#if defined(FRR_USER) && defined(FRR_GROUP)
.user = FRR_USER,
.group = FRR_GROUP,
#endif
#if defined(VTY_GROUP)
.vty_group = VTY_GROUP,
#endif
.caps_p = _caps_p,
.cap_num_p = array_size(_caps_p),
.cap_num_i = 0};
struct option longopts[] = { {0} };
/* Master of threads. */
struct thread_master *master;
static struct frr_daemon_info vrrpd_di;
/* SIGHUP handler. */
static void sighup(void)
{
zlog_info("SIGHUP received");
vty_read_config(NULL, vrrpd_di.config_file, config_default);
}
/* SIGINT / SIGTERM handler. */
static void __attribute__((noreturn)) sigint(void)
{
zlog_notice("Terminating on signal");
vrrp_fini();
frr_fini();
exit(0);
}
/* SIGUSR1 handler. */
static void sigusr1(void)
{
zlog_rotate();
}
struct quagga_signal_t vrrp_signals[] = {
{
.signal = SIGHUP,
.handler = &sighup,
},
{
.signal = SIGUSR1,
.handler = &sigusr1,
},
{
.signal = SIGINT,
.handler = &sigint,
},
{
.signal = SIGTERM,
.handler = &sigint,
},
};
static const struct frr_yang_module_info *const vrrp_yang_modules[] = {
&frr_filter_info,
&frr_vrf_info,
&frr_interface_info,
&frr_vrrpd_info,
};
#define VRRP_VTY_PORT 2619
FRR_DAEMON_INFO(vrrpd, VRRP, .vty_port = VRRP_VTY_PORT,
.proghelp = "Virtual Router Redundancy Protocol",
.signals = vrrp_signals,
.n_signals = array_size(vrrp_signals),
.privs = &vrrp_privs,
.yang_modules = vrrp_yang_modules,
.n_yang_modules = array_size(vrrp_yang_modules),
);
int main(int argc, char **argv, char **envp)
{
frr_preinit(&vrrpd_di, argc, argv);
frr_opt_add("", longopts, "");
while (1) {
int opt;
opt = frr_getopt(argc, argv, NULL);
if (opt == EOF)
break;
switch (opt) {
case 0:
break;
default:
frr_help_exit(1);
break;
}
}
master = frr_init();
access_list_init();
vrrp_debug_init();
vrrp_zebra_init();
vrrp_vty_init();
vrrp_init();
snprintf(backup_config_file, sizeof(backup_config_file),
"%s/vrrpd.conf", frr_sysconfdir);
vrrpd_di.backup_config_file = backup_config_file;
frr_config_fork();
frr_run(master);
/* Not reached. */
return 0;
}
|
