libwebsockets/minimal-examples/minimal-ws-server-ring/minimal-ws-server.c

/*
 * lws-minimal-ws-server
 *
 * Copyright (C) 2018 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 in the directory it was started in.
 * You can change that by changing mount.origin
 */

#include <libwebsockets.h>
#include <string.h>

#define LWS_PLUGIN_STATIC
#include "protocol_lws_minimal.c"

static struct lws_protocols protocols[] = {
	{ "http", lws_callback_http_dummy, 0, 0 },
	LWS_PLUGIN_PROTOCOL_MINIMAL,
	{ NULL, NULL, 0, 0 } /* terminator */
};

static const struct lws_http_mount mount = {
	/* .mount_next */		NULL,		/* linked-list "next" */
	/* .mountpoint */		"/",		/* mountpoint URL */
	/* .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,
};

int main(int argc, char **argv)
{
	struct lws_context_creation_info info;
	struct lws_context *context;
	int n = 0;

	memset(&info, 0, sizeof info); /* otherwise uninitialized garbage */
	info.port = 7681;
	info.mounts = &mount;
	info.protocols = protocols;

	lws_set_log_level(LLL_ERR | LLL_WARN | LLL_NOTICE | LLL_USER, NULL);
	lwsl_user("LWS minimal ws server (lws_ring) | visit http://localhost:7681\n");

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

	while (n >=0)
		n = lws_service(context, 1000);

	lws_context_destroy(context);

	return 0;
}