izanagi-2022/src/packages/server/main.c

#include <libwebsockets.h>
#include <signal.h>
#include "IZ_common.h"

static struct lws_protocols protocols[] = {
	{ "http", lws_callback_http_dummy, 0, 0, 0, NULL, 0},
	LWS_PROTOCOL_LIST_TERM
};

static const lws_retry_bo_t retry = {
	.secs_since_valid_ping = 3,
	.secs_since_valid_hangup = 10,
};

static i32 interrupted;

static const struct lws_http_mount mount = {
	/* .mount_next */		NULL,		/* linked-list "next" */
	/* .mountpoint */		"/",		/* mountpoint URL */
	/* .origin */			"./mount-origin",  /* serve from dir */
	/* .def */			"index.html",	/* default filename */
	/* .protocol */			NULL,
	/* .cgienv */			NULL,
	/* .extra_mimetypes */		NULL,
	/* .interpret */		NULL,
	/* .cgi_timeout */		0,
	/* .cache_max_age */		0,
	/* .auth_mask */		0,
	/* .cache_reusable */		0,
	/* .cache_revalidate */		0,
	/* .cache_intermediaries */	0,
	/* .origin_protocol */		LWSMPRO_FILE,	/* files in a dir */
	/* .mountpoint_len */		1,		/* char count */
	/* .basic_auth_login_file */	NULL,
};

void sigint_handler(i32 sig) {
	interrupted = 1;
}

IZ_ProcedureResult main(i32 arg_count, char* arg_values[]) {
	struct lws_context_creation_info info;
	struct lws_context* context;
	const char* p;
	i32 n = 0;
	i32 logs = LLL_USER | LLL_ERR | LLL_WARN | LLL_NOTICE;

	signal(SIGINT, sigint_handler);

	if ((p = lws_cmdline_option(arg_count, arg_values, "-d")))
		logs = atoi(p);

	lws_set_log_level(logs, NULL);
	lwsl_user("LWS minimal ws server | visit http://localhost:7681 (-s = use TLS / https)\n");

	memset(&info, 0, sizeof info); /* otherwise uninitialized garbage */
	info.port = 7681;
	info.mounts = &mount;
	info.protocols = protocols;
	info.vhost_name = "localhost";
#if defined(LWS_WITH_PLUGINS)
	info.pvo = &pvo;
#endif
	info.options =
		LWS_SERVER_OPTION_HTTP_HEADERS_SECURITY_BEST_PRACTICES_ENFORCE;

#if defined(LWS_WITH_TLS)
	if (lws_cmdline_option(arg_count, arg_values, "-s")) {
		lwsl_user("Server using TLS\n");
		info.options |= LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT;
		info.ssl_cert_filepath = "localhost-100y.cert";
		info.ssl_private_key_filepath = "localhost-100y.key";
	}
#endif

	if (lws_cmdline_option(arg_count, arg_values, "-h"))
		info.options |= LWS_SERVER_OPTION_VHOST_UPG_STRICT_HOST_CHECK;

	if (lws_cmdline_option(arg_count, arg_values, "-v"))
		info.retry_and_idle_policy = &retry;

	context = lws_create_context(&info);
	if (!context) {
		lwsl_err("lws init failed\n");
		return 1;
	}

	while (n >= 0 && !interrupted)
		n = lws_service(context, 0);

	lws_context_destroy(context);


	return 0;
}