/* * libwebsockets web server application * * Copyright (C) 2010-2016 Andy Green * * This file is made available under the Creative Commons CC0 1.0 * Universal Public Domain Dedication. * * The person who associated a work with this deed has dedicated * the work to the public domain by waiving all of his or her rights * to the work worldwide under copyright law, including all related * and neighboring rights, to the extent allowed by law. You can copy, * modify, distribute and perform the work, even for commercial purposes, * all without asking permission. * * The test apps are intended to be adapted for use in your code, which * may be proprietary. So unlike the library itself, they are licensed * Public Domain. */ #include "lws_config.h" #include #include #include #include #include #include #include #include #ifndef _WIN32 #include #include #include #include #else #include #include "gettimeofday.h" #endif #include "../lib/libwebsockets.h" static struct lws_context *context; #define LWSWS_CONFIG_STRING_SIZE (32 * 1024) static const struct lws_extension exts[] = { { "permessage-deflate", lws_extension_callback_pm_deflate, "permessage-deflate" }, { NULL, NULL, NULL /* terminator */ } }; static const char * const plugin_dirs[] = { INSTALL_DATADIR"/libwebsockets-test-server/plugins/", NULL }; static struct option options[] = { { "help", no_argument, NULL, 'h' }, { "debug", required_argument, NULL, 'd' }, { "configdir", required_argument, NULL, 'c' }, #ifndef LWS_NO_DAEMONIZE { "daemonize", no_argument, NULL, 'D' }, #endif { NULL, 0, 0, 0 } }; void signal_cb(uv_signal_t *watcher, int signum) { lwsl_err("Signal %d caught, exiting...\n", watcher->signum); switch (watcher->signum) { case SIGTERM: case SIGINT: break; default: signal(SIGABRT, SIG_DFL); abort(); break; } lws_libuv_stop(context); } int main(int argc, char **argv) { struct lws_context_creation_info info; char *cs; int opts = 0, cs_len = LWSWS_CONFIG_STRING_SIZE - 1; int n = 0; #ifndef _WIN32 int syslog_options = LOG_PID | LOG_PERROR; #endif #ifndef LWS_NO_DAEMONIZE int daemonize = 0; #endif int debug_level = 7; char config_dir[128]; char *config_strings; memset(&info, 0, sizeof info); strcpy(config_dir, "/etc/lwsws"); while (n >= 0) { n = getopt_long(argc, argv, "hd:c:D", options, NULL); if (n < 0) continue; switch (n) { #ifndef LWS_NO_DAEMONIZE case 'D': daemonize = 1; #ifndef _WIN32 syslog_options &= ~LOG_PERROR; #endif printf("Daemonizing...\n"); break; #endif case 'd': debug_level = atoi(optarg); break; case 'c': strncpy(config_dir, optarg, sizeof(config_dir) - 1); config_dir[sizeof(config_dir) - 1] = '\0'; break; case 'h': fprintf(stderr, "Usage: lwsws [-c ] " "[-d ] [-D] [--help]\n"); exit(1); } } #if !defined(LWS_NO_DAEMONIZE) && !defined(WIN32) /* * normally lock path would be /var/lock/lwsts or similar, to * simplify getting started without having to take care about * permissions or running as root, set to /tmp/.lwsts-lock */ if (daemonize && lws_daemonize("/tmp/.lwsts-lock")) { fprintf(stderr, "Failed to daemonize\n"); return 10; } if (daemonize) lwsl_notice("Daemonized\n"); #endif #ifndef _WIN32 /* we will only try to log things according to our debug_level */ setlogmask(LOG_UPTO (LOG_DEBUG)); openlog("lwsws", syslog_options, LOG_DAEMON); #endif lws_set_log_level(debug_level, lwsl_emit_syslog); lwsl_notice("lwsws libwebsockets web server - license CC0 + LGPL2.1\n"); lwsl_notice("(C) Copyright 2010-2016 Andy Green \n"); cs = config_strings = malloc(LWSWS_CONFIG_STRING_SIZE); if (!config_strings) { lwsl_err("Unable to allocate config strings heap\n"); return -1; } memset(&info, 0, sizeof(info)); info.max_http_header_pool = 16; info.options = opts | LWS_SERVER_OPTION_VALIDATE_UTF8 | LWS_SERVER_OPTION_EXPLICIT_VHOSTS | LWS_SERVER_OPTION_LIBUV; info.plugin_dirs = plugin_dirs; lwsl_notice("Using config dir: \"%s\"\n", config_dir); /* * first go through the config for creating the outer context */ if (lwsws_get_config_globals(&info, config_dir, &cs, &cs_len)) goto init_failed; context = lws_create_context(&info); if (context == NULL) { lwsl_err("libwebsocket init failed\n"); goto init_failed; } /* * then create the vhosts... protocols are entirely coming from * plugins, so we leave it NULL */ info.extensions = exts; if (!lwsws_get_config_vhosts(context, &info, config_dir, &cs, &cs_len)) { /* run the server */ lws_uv_sigint_cfg(context, 1, signal_cb); lws_uv_initloop(context, NULL, 0); lws_libuv_run(context, 0); } lws_context_destroy(context); free(config_strings); fprintf(stderr, "lwsws exited cleanly\n"); #ifndef _WIN32 closelog(); #endif return 0; init_failed: free(config_strings); return 1; }