libwebsockets/minimal-examples-lowlevel/http-server/minimal-http-server/minimal-http-server.c
2021-12-13 19:02:56 +00:00

79 lines
2.1 KiB
C

/*
* lws-minimal-http-server
*
* Written in 2010-2019 by Andy Green <andy@warmcat.com>
*
* This file is made available under the Creative Commons CC0 1.0
* Universal Public Domain Dedication.
*
* This demonstrates the most minimal http server you can make with lws.
*
* To keep it simple, it serves stuff from the subdirectory
* "./mount-origin" of the directory it was started in.
* You can change that by changing mount.origin below.
*/
#include <libwebsockets.h>
#include <string.h>
#include <signal.h>
static int interrupted;
static const struct lws_http_mount mount = {
.mountpoint = "/", /* mountpoint URL */
.origin = "./mount-origin", /* serve from dir */
.def = "index.html", /* default filename */
.origin_protocol = LWSMPRO_FILE, /* files in a dir */
.mountpoint_len = 1, /* char count */
};
void sigint_handler(int sig)
{
interrupted = 1;
}
int main(int argc, const char **argv)
{
struct lws_context_creation_info info;
struct lws_context *context;
const char *p;
int n = 0, logs = LLL_USER | LLL_ERR | LLL_WARN | LLL_NOTICE
/* for LLL_ verbosity above NOTICE to be built into lws,
* lws must have been configured and built with
* -DCMAKE_BUILD_TYPE=DEBUG instead of =RELEASE */
/* | LLL_INFO */ /* | LLL_PARSER */ /* | LLL_HEADER */
/* | LLL_EXT */ /* | LLL_CLIENT */ /* | LLL_LATENCY */
/* | LLL_DEBUG */;
signal(SIGINT, sigint_handler);
if ((p = lws_cmdline_option(argc, argv, "-d")))
logs = atoi(p);
lws_set_log_level(logs, NULL);
lwsl_user("LWS minimal http server | visit http://localhost:7681\n");
memset(&info, 0, sizeof info); /* otherwise uninitialized garbage */
info.port = 7681;
info.mounts = &mount;
info.error_document_404 = "/404.html";
info.options =
LWS_SERVER_OPTION_HTTP_HEADERS_SECURITY_BEST_PRACTICES_ENFORCE;
if (lws_cmdline_option(argc, argv, "--h2-prior-knowledge"))
info.options |= LWS_SERVER_OPTION_H2_PRIOR_KNOWLEDGE;
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;
}