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 const char * const sa46_names[] = {
18 "LWSDH_SA46_IP",
19 "LWSDH_SA46_DNS_SRV_1",
20 "LWSDH_SA46_DNS_SRV_2",
21 "LWSDH_SA46_DNS_SRV_3",
22 "LWSDH_SA46_DNS_SRV_4",
23 "LWSDH_SA46_IPV4_ROUTER",
24 "LWSDH_SA46_NTP_SERVER",
25 "LWSDH_SA46_DHCP_SERVER",
26 };
27
28 static int
lws_dhcpc_cb(void * opaque,lws_dhcpc_ifstate_t * is)29 lws_dhcpc_cb(void *opaque, lws_dhcpc_ifstate_t *is)
30 {
31 unsigned int n;
32 char buf[64];
33
34 lwsl_user("%s: dhcp set OK\n", __func__);
35
36 for (n = 0; n < LWS_ARRAY_SIZE(sa46_names); n++) {
37 lws_sa46_write_numeric_address(&is->sa46[n], buf, sizeof(buf));
38 lwsl_notice("%s: %s: %s\n", __func__, sa46_names[n], buf);
39 }
40
41 ok = 1;
42 interrupted = 1;
43 return 0;
44 }
45
sigint_handler(int sig)46 void sigint_handler(int sig)
47 {
48 interrupted = 1;
49 }
50
51 int
main(int argc,const char ** argv)52 main(int argc, const char **argv)
53 {
54 struct lws_context_creation_info info;
55 #if !defined(__COVERITY__)
56 const char *p;
57 #endif
58 int n = 1;
59
60 signal(SIGINT, sigint_handler);
61
62 memset(&info, 0, sizeof info); /* otherwise uninitialized garbage */
63 lws_cmdline_option_handle_builtin(argc, argv, &info);
64 lwsl_user("LWS API selftest: DHCP Client\n");
65
66 info.port = CONTEXT_PORT_NO_LISTEN;
67 info.options = LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT;
68
69 #if !defined(__COVERITY__)
70 if ((p = lws_cmdline_option(argc, argv, "-i")))
71 nif = p;
72 #endif
73
74 context = lws_create_context(&info);
75 if (!context) {
76 lwsl_err("lws init failed\n");
77 return 1;
78 }
79
80 if (nif) {
81 lwsl_user("%s: requesting DHCP for %s\n", __func__, nif);
82 lws_dhcpc_request(context, nif, AF_INET, lws_dhcpc_cb, NULL);
83 } else {
84 lwsl_err("%s: use -i <network-interface> to select if\n", __func__);
85 interrupted = 1;
86 }
87
88 /* the usual lws event loop */
89
90 n = 1;
91 while (n >= 0 && !interrupted)
92 n = lws_service(context, 0);
93
94 lws_context_destroy(context);
95
96 if (fail || ok != exp)
97 lwsl_user("Completed: PASS: %d / %d, FAIL: %d\n", ok, exp,
98 fail);
99 else
100 lwsl_user("Completed: ALL PASS: %d / %d\n", ok, exp);
101
102 return !(ok == exp && !fail);
103 }
104