mirror of
https://libwebsockets.org/repo/libwebsockets
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119 lines
3.1 KiB
C
119 lines
3.1 KiB
C
/*
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* lws-minimal-ws-server-echo
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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 a ws server that echoes back what it was sent, in a way
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* compatible with autobahn -m fuzzingclient
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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_server_echo.c"
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static struct lws_protocols protocols[] = {
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LWS_PLUGIN_PROTOCOL_MINIMAL_SERVER_ECHO,
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LWS_PROTOCOL_LIST_TERM
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};
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static int interrupted, port = 7681, options;
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/* pass pointers to shared vars to the protocol */
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static const struct lws_protocol_vhost_options pvo_options = {
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NULL,
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NULL,
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"options", /* pvo name */
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(void *)&options /* pvo value */
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};
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static const struct lws_protocol_vhost_options pvo_interrupted = {
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&pvo_options,
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NULL,
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"interrupted", /* pvo name */
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(void *)&interrupted /* pvo value */
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};
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static const struct lws_protocol_vhost_options pvo = {
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NULL, /* "next" pvo linked-list */
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&pvo_interrupted, /* "child" pvo linked-list */
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"lws-minimal-server-echo", /* protocol name we belong to on this vhost */
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"" /* ignored */
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};
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static const struct lws_extension extensions[] = {
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{
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"permessage-deflate",
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lws_extension_callback_pm_deflate,
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"permessage-deflate"
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"; client_no_context_takeover"
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"; client_max_window_bits"
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},
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{ NULL, NULL, NULL /* terminator */ }
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};
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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 client echo + permessage-deflate + multifragment bulk message\n");
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lwsl_user(" lws-minimal-ws-client-echo [-n (no exts)] [-p port] [-o (once)]\n");
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if ((p = lws_cmdline_option(argc, argv, "-p")))
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port = atoi(p);
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if (lws_cmdline_option(argc, argv, "-o"))
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options |= 1;
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memset(&info, 0, sizeof info); /* otherwise uninitialized garbage */
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info.port = port;
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info.protocols = protocols;
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info.pvo = &pvo;
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if (!lws_cmdline_option(argc, argv, "-n"))
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info.extensions = extensions;
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info.pt_serv_buf_size = 32 * 1024;
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info.options = LWS_SERVER_OPTION_VALIDATE_UTF8 |
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LWS_SERVER_OPTION_HTTP_HEADERS_SECURITY_BEST_PRACTICES_ENFORCE;
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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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lwsl_user("Completed %s\n", interrupted == 2 ? "OK" : "failed");
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return interrupted != 2;
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}
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