summaryrefslogtreecommitdiffstats
path: root/staticd/static_main.c
blob: bc501b3d6947c38888b6eee1d39c160896a25742 (plain)
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
// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * STATICd - main code
 * Copyright (C) 2018 Cumulus Networks, Inc.
 *               Donald Sharp
 */
#include <zebra.h>

#include <lib/version.h>
#include "getopt.h"
#include "thread.h"
#include "command.h"
#include "log.h"
#include "memory.h"
#include "privs.h"
#include "sigevent.h"
#include "libfrr.h"
#include "vrf.h"
#include "nexthop.h"
#include "filter.h"
#include "routing_nb.h"

#include "static_vrf.h"
#include "static_vty.h"
#include "static_routes.h"
#include "static_zebra.h"
#include "static_debug.h"
#include "static_nb.h"

char backup_config_file[256];

bool mpls_enabled;

zebra_capabilities_t _caps_p[] = {
};

struct zebra_privs_t static_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 staticd_di;
/* SIGHUP handler. */
static void sighup(void)
{
	zlog_info("SIGHUP received");
	vty_read_config(NULL, staticd_di.config_file, config_default);
}

/* SIGINT / SIGTERM handler. */
static void sigint(void)
{
	zlog_notice("Terminating on signal");

	static_vrf_terminate();

	static_zebra_stop();
	frr_fini();

	exit(0);
}

/* SIGUSR1 handler. */
static void sigusr1(void)
{
	zlog_rotate();
}

struct frr_signal_t static_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 staticd_yang_modules[] = {
	&frr_filter_info,
	&frr_interface_info,
	&frr_vrf_info,
	&frr_routing_info,
	&frr_staticd_info,
};

#define STATIC_VTY_PORT 2616

FRR_DAEMON_INFO(staticd, STATIC, .vty_port = STATIC_VTY_PORT,

		.proghelp = "Implementation of STATIC.",

		.signals = static_signals,
		.n_signals = array_size(static_signals),

		.privs = &static_privs, .yang_modules = staticd_yang_modules,
		.n_yang_modules = array_size(staticd_yang_modules),
);

int main(int argc, char **argv, char **envp)
{
	frr_preinit(&staticd_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);
		}
	}

	master = frr_init();

	static_debug_init();
	static_vrf_init();

	static_zebra_init();
	static_vty_init();

	hook_register(routing_conf_event,
		      routing_control_plane_protocols_name_validate);

	routing_control_plane_protocols_register_vrf_dependency();

	snprintf(backup_config_file, sizeof(backup_config_file),
		 "%s/zebra.conf", frr_sysconfdir);
	staticd_di.backup_config_file = backup_config_file;

	frr_config_fork();
	frr_run(master);

	/* Not reached. */
	return 0;
}