libwebsockets/minimal-examples-lowlevel/api-tests/api-test-dhcpc/main.c
2022-01-16 10:48:11 +00:00

104 lines
2.2 KiB
C

/*
* lws-api-test-dhcpc
*
* Written in 2019 by Andy Green <andy@warmcat.com>
*
* This file is made available under the Creative Commons CC0 1.0
* Universal Public Domain Dedication.
*/
#include <libwebsockets.h>
#include <signal.h>
static int interrupted, ok, fail, exp = 1;
struct lws_context *context;
const char *nif;
static const char * const sa46_names[] = {
"LWSDH_SA46_IP",
"LWSDH_SA46_DNS_SRV_1",
"LWSDH_SA46_DNS_SRV_2",
"LWSDH_SA46_DNS_SRV_3",
"LWSDH_SA46_DNS_SRV_4",
"LWSDH_SA46_IPV4_ROUTER",
"LWSDH_SA46_NTP_SERVER",
"LWSDH_SA46_DHCP_SERVER",
};
static int
lws_dhcpc_cb(void *opaque, lws_dhcpc_ifstate_t *is)
{
unsigned int n;
char buf[64];
lwsl_user("%s: dhcp set OK\n", __func__);
for (n = 0; n < LWS_ARRAY_SIZE(sa46_names); n++) {
lws_sa46_write_numeric_address(&is->sa46[n], buf, sizeof(buf));
lwsl_notice("%s: %s: %s\n", __func__, sa46_names[n], buf);
}
ok = 1;
interrupted = 1;
return 0;
}
void sigint_handler(int sig)
{
interrupted = 1;
}
int
main(int argc, const char **argv)
{
struct lws_context_creation_info info;
#if !defined(__COVERITY__)
const char *p;
#endif
int n = 1;
signal(SIGINT, sigint_handler);
memset(&info, 0, sizeof info); /* otherwise uninitialized garbage */
lws_cmdline_option_handle_builtin(argc, argv, &info);
lwsl_user("LWS API selftest: DHCP Client\n");
info.port = CONTEXT_PORT_NO_LISTEN;
info.options = LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT;
#if !defined(__COVERITY__)
if ((p = lws_cmdline_option(argc, argv, "-i")))
nif = p;
#endif
context = lws_create_context(&info);
if (!context) {
lwsl_err("lws init failed\n");
return 1;
}
if (nif) {
lwsl_user("%s: requesting DHCP for %s\n", __func__, nif);
lws_dhcpc_request(context, nif, AF_INET, lws_dhcpc_cb, NULL);
} else {
lwsl_err("%s: use -i <network-interface> to select if\n", __func__);
interrupted = 1;
}
/* the usual lws event loop */
n = 1;
while (n >= 0 && !interrupted)
n = lws_service(context, 0);
lws_context_destroy(context);
if (fail || ok != exp)
lwsl_user("Completed: PASS: %d / %d, FAIL: %d\n", ok, exp,
fail);
else
lwsl_user("Completed: ALL PASS: %d / %d\n", ok, exp);
return !(ok == exp && !fail);
}