1 /*
2 * lws-api-test-dhcpc
3 *
4 * Written in 2019 by Andy Green <andy@warmcat.com>
5 *
6 * This file is made available under the Creative Commons CC0 1.0
7 * Universal Public Domain Dedication.
8 */
9
10 #include <libwebsockets.h>
11 #include <signal.h>
12
13 static int interrupted, ok, fail, exp = 1;
14 struct lws_context *context;
15 const char *nif;
16
17 static int
lws_dhcpc_cb(void * opaque,int af,uint8_t * ip,int ip_len)18 lws_dhcpc_cb(void *opaque, int af, uint8_t *ip, int ip_len)
19 {
20 lwsl_user("%s: dhcp set OK\n", __func__);
21 ok = 1;
22 interrupted = 1;
23 return 0;
24 }
25
sigint_handler(int sig)26 void sigint_handler(int sig)
27 {
28 interrupted = 1;
29 }
30
31 int
main(int argc,const char ** argv)32 main(int argc, const char **argv)
33 {
34 struct lws_context_creation_info info;
35 const char *p;
36 int n = 1;
37
38 signal(SIGINT, sigint_handler);
39
40 memset(&info, 0, sizeof info); /* otherwise uninitialized garbage */
41 lws_cmdline_option_handle_builtin(argc, argv, &info);
42 lwsl_user("LWS API selftest: DHCP Client\n");
43
44 info.port = CONTEXT_PORT_NO_LISTEN;
45 info.options = LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT;
46
47 if ((p = lws_cmdline_option(argc, argv, "-i")))
48 nif = p;
49
50 context = lws_create_context(&info);
51 if (!context) {
52 lwsl_err("lws init failed\n");
53 return 1;
54 }
55
56 if (nif) {
57 lwsl_user("%s: requesting DHCP for %s\n", __func__, nif);
58 lws_dhcpc_request(context, nif, AF_INET, lws_dhcpc_cb, NULL);
59 } else {
60 lwsl_err("%s: use -i <network-interface> to select if\n", __func__);
61 interrupted = 1;
62 }
63
64 /* the usual lws event loop */
65
66 n = 1;
67 while (n >= 0 && !interrupted)
68 n = lws_service(context, 0);
69
70 lws_context_destroy(context);
71
72 if (fail || ok != exp)
73 lwsl_user("Completed: PASS: %d / %d, FAIL: %d\n", ok, exp,
74 fail);
75 else
76 lwsl_user("Completed: ALL PASS: %d / %d\n", ok, exp);
77
78 return !(ok == exp && !fail);
79 }
80