int main(int argc, char argv[]) { EV_P = ev_default_loop(0); ev_init(&async_watcher, async_callback); ev_async_start(EV_A, &async_watcher); ev_signal sigint_watcher; ev_init(&sigint_watcher, sigint_callback); ev_signal_set(&sigint_watcher, SIGINT); ev_signal_start(EV_A, &sigint_watcher); ev_signal sigquit_watcher; ev_init(&sigquit_watcher, sigquit_callback); ev_signal_set(&sigquit_watcher, SIGQUIT); ev_signal_start(EV_A, &sigquit_watcher); ev_run(EV_A, 0); return 0; }
void li_event_signal_init(liEventLoop *loop, liEventSignal *sig, liEventCallback callback, int signum) { memset(sig, 0, sizeof(*sig)); sig->base.type = LI_EVT_SIGNAL; sig->base.keep_loop_alive = 0; sig->base.callback = callback; ev_init(&sig->libevmess.w, NULL); ev_signal_set(&sig->libevmess.sig, signum); ev_set_cb(&sig->libevmess.sig, event_signal_cb); if (NULL != loop) li_event_attach(loop, sig); li_event_start(sig); }
/* set the Signal */ int set_Signal(Signal *self, int signum) { if (signum <= 0 || signum >= EV_NSIG) { PyErr_SetString(Error, "illegal signal number"); return -1; } #if EV_MULTIPLICITY if (signals[signum - 1].loop && signals[signum - 1].loop != ((Watcher *)self)->loop->loop) { PyErr_SetString(Error, "the same signal must not be attached to two " "different loops"); return -1; } #endif ev_signal_set(&self->signal, signum); return 0; }
int event_add (struct event *ev, struct timeval *tv) { dLOOPev; if (ev->ev_events & EV_SIGNAL) { if (!ev_is_active (&ev->iosig.sig)) { ev_signal_set (&ev->iosig.sig, ev->ev_fd); ev_signal_start (EV_A_ &ev->iosig.sig); ev->ev_flags |= EVLIST_SIGNAL; } } else if (ev->ev_events & (EV_READ | EV_WRITE)) { if (!ev_is_active (&ev->iosig.io)) { ev_io_set (&ev->iosig.io, ev->ev_fd, ev->ev_events & (EV_READ | EV_WRITE)); ev_io_start (EV_A_ &ev->iosig.io); ev->ev_flags |= EVLIST_INSERTED; } } if (tv) { ev->to.repeat = ev_tv_get (tv); ev_timer_again (EV_A_ &ev->to); ev->ev_flags |= EVLIST_TIMEOUT; } else { ev_timer_stop (EV_A_ &ev->to); ev->ev_flags &= ~EVLIST_TIMEOUT; } ev->ev_flags |= EVLIST_ACTIVE; return 0; }
int main(int argc, char **argv) { int sigs[] = { SIGINT, SIGKILL, SIGTERM, SIGSEGV, SIGFPE }; struct ev_signal signals[ARRAY_SIZE(sigs)]; struct ev_loop *loop = ev_default_loop(0); struct lws_context_creation_info info; char interface_name[128] = ""; const char *iface = NULL; ev_timer timeout_watcher; char cert_path[1024]; char key_path[1024]; int use_ssl = 0; int opts = 0; int n = 0; #ifndef _WIN32 int syslog_options = LOG_PID | LOG_PERROR; #endif #ifndef LWS_NO_DAEMONIZE int daemonize = 0; #endif /* * take care to zero down the info struct, he contains random garbaage * from the stack otherwise */ memset(&info, 0, sizeof info); info.port = 7681; while (n >= 0) { n = getopt_long(argc, argv, "eci:hsap:d:Dr:", options, NULL); if (n < 0) continue; switch (n) { case 'e': opts |= LWS_SERVER_OPTION_LIBEV; break; #ifndef LWS_NO_DAEMONIZE case 'D': daemonize = 1; #ifndef _WIN32 syslog_options &= ~LOG_PERROR; #endif break; #endif case 'd': debug_level = atoi(optarg); break; case 's': use_ssl = 1; break; case 'a': opts |= LWS_SERVER_OPTION_ALLOW_NON_SSL_ON_SSL_PORT; break; case 'p': info.port = atoi(optarg); break; case 'i': strncpy(interface_name, optarg, sizeof interface_name); interface_name[(sizeof interface_name) - 1] = '\0'; iface = interface_name; break; case 'c': close_testing = 1; fprintf(stderr, " Close testing mode -- closes on " "client after 50 dumb increments" "and suppresses lws_mirror spam\n"); break; case 'r': resource_path = optarg; printf("Setting resource path to \"%s\"\n", resource_path); break; case 'h': fprintf(stderr, "Usage: test-server " "[--port=<p>] [--ssl] " "[-d <log bitfield>] " "[--resource_path <path>]\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 1; } #endif for (n = 0; n < ARRAY_SIZE(sigs); n++) { _ev_init(&signals[n], signal_cb); ev_signal_set(&signals[n], sigs[n]); ev_signal_start(loop, &signals[n]); } #ifndef _WIN32 /* we will only try to log things according to our debug_level */ setlogmask(LOG_UPTO (LOG_DEBUG)); openlog("lwsts", syslog_options, LOG_DAEMON); #endif /* tell the library what debug level to emit and to send it to syslog */ lws_set_log_level(debug_level, lwsl_emit_syslog); lwsl_notice("libwebsockets test server libev - license LGPL2.1+SLE\n"); lwsl_notice("(C) Copyright 2010-2016 Andy Green <*****@*****.**>\n"); printf("Using resource path \"%s\"\n", resource_path); info.iface = iface; info.protocols = protocols; info.extensions = exts; info.ssl_cert_filepath = NULL; info.ssl_private_key_filepath = NULL; if (use_ssl) { if (strlen(resource_path) > sizeof(cert_path) - 32) { lwsl_err("resource path too long\n"); return -1; } sprintf(cert_path, "%s/libwebsockets-test-server.pem", resource_path); if (strlen(resource_path) > sizeof(key_path) - 32) { lwsl_err("resource path too long\n"); return -1; } sprintf(key_path, "%s/libwebsockets-test-server.key.pem", resource_path); info.ssl_cert_filepath = cert_path; info.ssl_private_key_filepath = key_path; } info.gid = -1; info.uid = -1; info.max_http_header_pool = 1; info.options = opts | LWS_SERVER_OPTION_LIBEV; context = lws_create_context(&info); if (context == NULL) { lwsl_err("libwebsocket init failed\n"); return -1; } /* * this shows how to override the lws file operations. You don't need * to do any of this unless you have a reason (eg, want to serve * compressed files without decompressing the whole archive) */ /* stash original platform fops */ fops_plat = *(lws_get_fops(context)); /* override the active fops */ lws_get_fops(context)->open = test_server_fops_open; lws_initloop(context, loop); _ev_timer_init(&timeout_watcher, ev_timeout_cb, 0.05, 0.05); ev_timer_start(loop, &timeout_watcher); while (!force_exit) ev_run(loop, 0); lws_context_destroy(context); ev_loop_destroy(loop); lwsl_notice("libwebsockets-test-server exited cleanly\n"); #ifndef _WIN32 closelog(); #endif return 0; }