mirror of
https://libwebsockets.org/repo/libwebsockets
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129 lines
3.6 KiB
C
129 lines
3.6 KiB
C
/*
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* lws-minimal-ws-server
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*
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* Written in 2010-2019 by Andy Green <andy@warmcat.com>
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*
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* This file is made available under the Creative Commons CC0 1.0
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* Universal Public Domain Dedication.
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*
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* This demonstrates the most minimal http server you can make with lws,
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* with an added websocket chat server.
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*
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* To keep it simple, it serves stuff in the subdirectory "./mount-origin" of
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* the directory it was started in.
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* You can change that by changing mount.origin.
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*/
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#include <libwebsockets.h>
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#include <string.h>
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#include <signal.h>
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#define LWS_PLUGIN_STATIC
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#include "protocol_lws_minimal.c"
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static struct lws_protocols protocols[] = {
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{ "http", lws_callback_http_dummy, 0, 0, 0, NULL, 0},
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LWS_PLUGIN_PROTOCOL_MINIMAL,
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LWS_PROTOCOL_LIST_TERM
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};
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static const lws_retry_bo_t retry = {
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.secs_since_valid_ping = 3,
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.secs_since_valid_hangup = 10,
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};
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static int interrupted;
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static const struct lws_http_mount mount = {
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/* .mount_next */ NULL, /* linked-list "next" */
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/* .mountpoint */ "/", /* mountpoint URL */
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/* .origin */ "./mount-origin", /* serve from dir */
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/* .def */ "index.html", /* default filename */
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/* .protocol */ NULL, /* if you are using your own http protocol, to
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* serve the mount, give the protocol's name here */
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/* .cgienv */ NULL,
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/* .extra_mimetypes */ NULL,
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/* .interpret */ NULL,
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/* .cgi_timeout */ 0,
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/* .cache_max_age */ 0,
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/* .auth_mask */ 0,
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/* .cache_reusable */ 0,
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/* .cache_revalidate */ 0,
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/* .cache_intermediaries */ 0,
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/* .cache_no */ 0,
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/* .origin_protocol */ LWSMPRO_FILE, /* files in a dir */
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/* .mountpoint_len */ 1, /* char count */
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/* .basic_auth_login_file */ NULL,
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};
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#if defined(LWS_WITH_PLUGINS)
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/* if plugins enabled, only protocols explicitly named in pvo bind to vhost */
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static struct lws_protocol_vhost_options pvo = { NULL, NULL, "lws-minimal", "" };
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#endif
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void sigint_handler(int sig)
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{
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interrupted = 1;
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}
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int main(int argc, const char **argv)
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{
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struct lws_context_creation_info info;
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struct lws_context *context;
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const char *p;
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int n = 0, logs = LLL_USER | LLL_ERR | LLL_WARN | LLL_NOTICE
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/* for LLL_ verbosity above NOTICE to be built into lws,
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* lws must have been configured and built with
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* -DCMAKE_BUILD_TYPE=DEBUG instead of =RELEASE */
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/* | LLL_INFO */ /* | LLL_PARSER */ /* | LLL_HEADER */
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/* | LLL_EXT */ /* | LLL_CLIENT */ /* | LLL_LATENCY */
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/* | LLL_DEBUG */;
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signal(SIGINT, sigint_handler);
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if ((p = lws_cmdline_option(argc, argv, "-d")))
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logs = atoi(p);
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lws_set_log_level(logs, NULL);
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lwsl_user("LWS minimal ws server | visit http://localhost:7681 (-s = use TLS / https)\n");
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memset(&info, 0, sizeof info); /* otherwise uninitialized garbage */
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info.port = 7681;
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info.mounts = &mount;
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info.protocols = protocols;
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info.vhost_name = "localhost";
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#if defined(LWS_WITH_PLUGINS)
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info.pvo = &pvo;
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#endif
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info.options =
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LWS_SERVER_OPTION_HTTP_HEADERS_SECURITY_BEST_PRACTICES_ENFORCE;
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#if defined(LWS_WITH_TLS)
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if (lws_cmdline_option(argc, argv, "-s")) {
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lwsl_user("Server using TLS\n");
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info.options |= LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT;
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info.ssl_cert_filepath = "localhost-100y.cert";
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info.ssl_private_key_filepath = "localhost-100y.key";
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}
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#endif
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if (lws_cmdline_option(argc, argv, "-h"))
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info.options |= LWS_SERVER_OPTION_VHOST_UPG_STRICT_HOST_CHECK;
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if (lws_cmdline_option(argc, argv, "-v"))
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info.retry_and_idle_policy = &retry;
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context = lws_create_context(&info);
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if (!context) {
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lwsl_err("lws init failed\n");
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return 1;
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}
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while (n >= 0 && !interrupted)
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n = lws_service(context, 0);
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lws_context_destroy(context);
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return 0;
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}
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