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https://libwebsockets.org/repo/libwebsockets
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102 lines
2.6 KiB
C
102 lines
2.6 KiB
C
/*
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* lws-minimal-dbus-ws-proxy
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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 minimal session dbus server that uses the lws event loop,
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* and allows proxying ws client connections via DBUS.
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*/
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#include <stdbool.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <signal.h>
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#include <libwebsockets.h>
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#include <libwebsockets/lws-dbus.h>
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#define LWS_PLUGIN_STATIC
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#include "protocol_lws_minimal_dbus_ws_proxy.c"
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static int interrupted;
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static struct lws_protocols protocols[] = {
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LWS_PLUGIN_PROTOCOL_MINIMAL_DBUS_WSPROXY,
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LWS_PROTOCOL_LIST_TERM
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};
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/*
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* we pass the dbus address to connect to proxy with from outside the
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* protocol plugin... eg if built as a plugin for lwsws, you would instead
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* set this pvo in the lwsws JSON config.
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*/
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static const struct lws_protocol_vhost_options pvo_ads = {
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NULL,
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NULL,
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"ads", /* pvo name */
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(void *)"unix:abstract=org.libwebsockets.wsclientproxy" /* 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_ads, /* "child" pvo linked-list */
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"lws-minimal-dbus-wsproxy", /* protocol name we belong to on this vhost */
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"" /* ignored */
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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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static struct lws_context *context;
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struct lws_context_creation_info info;
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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 */ /* | LLL_THREAD */;
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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 DBUS ws client proxy\n");
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memset(&info, 0, sizeof info); /* otherwise uninitialized garbage */
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info.options = LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT |
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LWS_SERVER_OPTION_HTTP_HEADERS_SECURITY_BEST_PRACTICES_ENFORCE;
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info.port = CONTEXT_PORT_NO_LISTEN;
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info.protocols = protocols;
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info.pvo = &pvo;
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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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/* lws event loop (default poll one) */
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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_notice("Exiting cleanly\n");
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return 0;
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}
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