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
|
/*
* Copyright (c) 2022 Egor Tensin <Egor.Tensin@gmail.com>
* This file is part of the "cimple" project.
* For details, see https://github.com/egor-tensin/cimple.
* Distributed under the MIT License.
*/
#include "client.h"
#include "cmd_line.h"
#include "const.h"
#include <getopt.h>
#include <stdlib.h>
static struct settings default_settings(void)
{
struct settings settings = {DEFAULT_HOST, DEFAULT_PORT};
return settings;
}
const char *get_usage_string(void)
{
return "[-h|--help] [-V|--version] [-H|--host HOST] [-p|--port PORT]";
}
static int parse_settings(struct settings *settings, int argc, char *argv[])
{
int opt, longind;
*settings = default_settings();
static struct option long_options[] = {
{"help", no_argument, 0, 'h'},
{"version", no_argument, 0, 'V'},
{"host", required_argument, 0, 'H'},
{"port", required_argument, 0, 'p'},
{0, 0, 0, 0},
};
while ((opt = getopt_long(argc, argv, "hVH:p:", long_options, &longind)) != -1) {
switch (opt) {
case 'h':
exit_with_usage(0);
break;
case 'V':
exit_with_version();
break;
case 'H':
settings->host = optarg;
break;
case 'p':
settings->port = optarg;
break;
default:
exit_with_usage(1);
break;
}
}
return 0;
}
int main(int argc, char *argv[])
{
struct settings settings;
struct client *client = NULL;
int ret = 0;
ret = parse_settings(&settings, argc, argv);
if (ret < 0)
return ret;
ret = client_create(&client, &settings);
if (ret < 0)
return ret;
ret = client_main(client, (const char **)argv + optind);
if (ret < 0)
goto destroy_client;
destroy_client:
client_destroy(client);
return ret;
}
|
