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
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
|
// 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 "frrevent.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"
#include "static_srv6.h"
#include "mgmt_be_client.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 event_loop *master;
static struct mgmt_be_client *mgmt_be_client;
static struct frr_daemon_info staticd_di;
/* SIGHUP handler. */
static void sighup(void)
{
zlog_info("SIGHUP received and ignored");
}
/* SIGINT / SIGTERM handler. */
static FRR_NORETURN void sigint(void)
{
zlog_notice("Terminating on signal");
/* Disable BFD events to avoid wasting processing. */
bfd_protocol_integration_set_shutdown(true);
mgmt_be_client_destroy(mgmt_be_client);
static_vrf_terminate();
static_zebra_stop();
/* clean up SRv6 data structures */
static_srv6_cleanup();
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,
},
};
/* clang-format off */
static const struct frr_yang_module_info *const staticd_yang_modules[] = {
&frr_backend_info,
&frr_interface_info,
&frr_vrf_info,
&frr_routing_info,
&frr_staticd_info,
&ietf_srv6_types_info,
};
/* clang-format on */
/*
* NOTE: .flags == FRR_NO_SPLIT_CONFIG to avoid reading split config, mgmtd will
* do this for us now
*/
/* clang-format off */
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),
.flags = FRR_NO_SPLIT_CONFIG | FRR_MGMTD_BACKEND,
);
/* clang-format on */
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();
/* initialize SRv6 data structures */
static_srv6_init();
static_zebra_init();
static_vty_init();
/* Initialize MGMT backend functionalities */
mgmt_be_client = mgmt_be_client_create("staticd", NULL, 0, master);
hook_register(routing_conf_event,
routing_control_plane_protocols_name_validate);
hook_register(routing_create,
routing_control_plane_protocols_staticd_create);
hook_register(routing_destroy,
routing_control_plane_protocols_staticd_destroy);
/*
* We set FRR_NO_SPLIT_CONFIG flag to avoid reading our config, but we
* still need to write one if vtysh tells us to. Setting the host
* config filename does this.
*/
host_config_set(config_default);
frr_config_fork();
frr_run(master);
/* Not reached. */
return 0;
}
|
