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
|
// SPDX-License-Identifier: GPL-2.0-or-later
/*
*/
#include <zebra.h>
#include <lib/version.h>
#include "getopt.h"
#include "frrevent.h"
#include "vty.h"
#include "command.h"
#include "memory.h"
#include "lib_vty.h"
extern void test_init(void);
struct event_loop *master;
struct option longopts[] = {{"daemon", no_argument, NULL, 'd'},
{"config_file", required_argument, NULL, 'f'},
{"help", no_argument, NULL, 'h'},
{"vty_addr", required_argument, NULL, 'A'},
{"vty_port", required_argument, NULL, 'P'},
{"version", no_argument, NULL, 'v'},
{0}};
DEFUN (daemon_exit,
daemon_exit_cmd,
"daemon-exit",
"Make the daemon exit\n")
{
exit(0);
}
static int timer_count;
static void test_timer(struct event *thread)
{
int *count = EVENT_ARG(thread);
printf("run %d of timer\n", (*count)++);
event_add_timer(master, test_timer, count, 5, NULL);
}
static void test_timer_init(void)
{
event_add_timer(master, test_timer, &timer_count, 10, NULL);
}
static void test_vty_init(void)
{
install_element(VIEW_NODE, &daemon_exit_cmd);
}
/* Help information display. */
static void usage(char *progname, int status)
{
if (status != 0)
fprintf(stderr, "Try `%s --help' for more information.\n",
progname);
else {
printf("Usage : %s [OPTION...]\n\
Daemon which does 'slow' things.\n\n\
-d, --daemon Runs in daemon mode\n\
-f, --config_file Set configuration file name\n\
-A, --vty_addr Set vty's bind address\n\
-P, --vty_port Set vty's port number\n\
-v, --version Print program version\n\
-h, --help Display this help and exit\n\
\n\
Report bugs to %s\n",
progname, FRR_BUG_ADDRESS);
}
exit(status);
}
/* main routine. */
int main(int argc, char **argv)
{
char *p;
char *vty_addr = NULL;
int vty_port = 4000;
int daemon_mode = 0;
char *progname;
struct event thread;
char *config_file = NULL;
/* Set umask before anything for security */
umask(0027);
/* get program name */
progname = ((p = strrchr(argv[0], '/')) ? ++p : argv[0]);
/* master init. */
master = event_master_create(NULL);
while (1) {
int opt;
opt = getopt_long(argc, argv, "dhf:A:P:v", longopts, 0);
if (opt == EOF)
break;
switch (opt) {
case 0:
break;
case 'f':
config_file = optarg;
break;
case 'd':
daemon_mode = 1;
break;
case 'A':
vty_addr = optarg;
break;
case 'P':
/* Deal with atoi() returning 0 on failure */
if (strcmp(optarg, "0") == 0) {
vty_port = 0;
break;
}
vty_port = atoi(optarg);
vty_port = (vty_port ? vty_port : 4000);
break;
case 'v':
print_version(progname);
exit(0);
break;
case 'h':
usage(progname, 0);
break;
default:
usage(progname, 1);
break;
}
}
/* Library inits. */
cmd_init(1);
vty_init(master, false);
lib_cmd_init();
nb_init(master, NULL, 0, false);
/* OSPF vty inits. */
test_vty_init();
/* Change to the daemon program. */
if (daemon_mode && daemon(0, 0) < 0) {
fprintf(stderr, "daemon failed: %s", strerror(errno));
exit(1);
}
/* Create VTY socket */
vty_serv_start(vty_addr, vty_port, "/tmp/.heavy.sock");
/* Configuration file read*/
if (!config_file)
usage(progname, 1);
vty_read_config(NULL, config_file, NULL);
test_timer_init();
test_init();
/* Fetch next active thread. */
while (event_fetch(master, &thread))
event_call(&thread);
/* Not reached. */
exit(0);
}
|
