--- /dev/null
+/*
+ * libwebsockets-test-server for libev - libwebsockets test implementation
+ *
+ * Copyright (C) 2010-2015 Andy Green <andy@warmcat.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation:
+ * version 2.1 of the License.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+
+#include "test-server.h"
+
+int close_testing;
+int max_poll_elements;
+volatile int force_exit = 0;
+struct lws_context *context;
+struct lws_plat_file_ops fops_plat;
+
+/* http server gets files from this path */
+#define LOCAL_RESOURCE_PATH INSTALL_DATADIR"/libwebsockets-test-server"
+char *resource_path = LOCAL_RESOURCE_PATH;
+
+/*
+ * libev dumps their hygeine problems on their users blaming compiler
+ * http://lists.schmorp.de/pipermail/libev/2008q4/000442.html
+ */
+
+#if EV_MINPRI == EV_MAXPRI
+# define _ev_set_priority(ev, pri) ((ev), (pri))
+#else
+# define _ev_set_priority(ev, pri) { \
+ ev_watcher *evw = (ev_watcher *)(void *)ev; \
+ evw->priority = pri; \
+}
+#endif
+
+#define _ev_init(ev,cb_) { \
+ ev_watcher *evw = (ev_watcher *)(void *)ev; \
+\
+ evw->active = evw->pending = 0; \
+ _ev_set_priority((ev), 0); \
+ ev_set_cb((ev), cb_); \
+}
+
+#define _ev_timer_init(ev, cb, after, _repeat) { \
+ ev_watcher_time *evwt = (ev_watcher_time *)(void *)ev; \
+\
+ _ev_init(ev, cb); \
+ evwt->at = after; \
+ (ev)->repeat = _repeat; \
+}
+
+/* singlethreaded version --> no locks */
+
+void test_server_lock(int care)
+{
+}
+void test_server_unlock(int care)
+{
+}
+
+/*
+ * This demo server shows how to use libwebsockets for one or more
+ * websocket protocols in the same server
+ *
+ * It defines the following websocket protocols:
+ *
+ * dumb-increment-protocol: once the socket is opened, an incrementing
+ * ascii string is sent down it every 50ms.
+ * If you send "reset\n" on the websocket, then
+ * the incrementing number is reset to 0.
+ *
+ * lws-mirror-protocol: copies any received packet to every connection also
+ * using this protocol, including the sender
+ */
+
+enum demo_protocols {
+ /* always first */
+ PROTOCOL_HTTP = 0,
+
+ PROTOCOL_DUMB_INCREMENT,
+ PROTOCOL_LWS_MIRROR,
+
+ /* always last */
+ DEMO_PROTOCOL_COUNT
+};
+
+/* list of supported protocols and callbacks */
+
+static struct lws_protocols protocols[] = {
+ /* first protocol must always be HTTP handler */
+
+ {
+ "http-only", /* name */
+ callback_http, /* callback */
+ sizeof (struct per_session_data__http), /* per_session_data_size */
+ 0, /* max frame size / rx buffer */
+ },
+ {
+ "dumb-increment-protocol",
+ callback_dumb_increment,
+ sizeof(struct per_session_data__dumb_increment),
+ 10,
+ },
+ {
+ "lws-mirror-protocol",
+ callback_lws_mirror,
+ sizeof(struct per_session_data__lws_mirror),
+ 128,
+ },
+ { NULL, NULL, 0, 0 } /* terminator */
+};
+
+
+/* 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)
+ */
+static lws_filefd_type
+test_server_fops_open(struct lws *wsi, const char *filename,
+ unsigned long *filelen, int flags)
+{
+ lws_filefd_type n;
+
+ /* call through to original platform implementation */
+ n = fops_plat.open(wsi, filename, filelen, flags);
+
+ lwsl_notice("%s: opening %s, ret %ld, len %lu\n", __func__, filename,
+ (long)n, *filelen);
+
+ return n;
+}
+
+void signal_cb(struct ev_loop *loop, struct ev_signal* watcher, int revents)
+{
+ lwsl_notice("Signal caught, exiting...\n");
+ force_exit = 1;
+ switch (watcher->signum) {
+ case SIGTERM:
+ case SIGINT:
+ ev_break(loop, EVBREAK_ALL);
+ break;
+ default:
+ signal(SIGABRT, SIG_DFL);
+ abort();
+ break;
+ }
+}
+
+static void
+ev_timeout_cb (EV_P_ ev_timer *w, int revents)
+{
+ lws_callback_on_writable_all_protocol(context,
+ &protocols[PROTOCOL_DUMB_INCREMENT]);
+}
+
+static struct option options[] = {
+ { "help", no_argument, NULL, 'h' },
+ { "debug", required_argument, NULL, 'd' },
+ { "port", required_argument, NULL, 'p' },
+ { "ssl", no_argument, NULL, 's' },
+ { "allow-non-ssl", no_argument, NULL, 'a' },
+ { "interface", required_argument, NULL, 'i' },
+ { "closetest", no_argument, NULL, 'c' },
+ { "libev", no_argument, NULL, 'e' },
+#ifndef LWS_NO_DAEMONIZE
+ { "daemonize", no_argument, NULL, 'D' },
+#endif
+ { "resource_path", required_argument, NULL, 'r' },
+ { NULL, 0, 0, 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 debug_level = 7;
+ 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 - "
+ "(C) Copyright 2010-2015 Andy Green <andy@warmcat.com> - "
+ "licensed under LGPL2.1\n");
+
+ printf("Using resource path \"%s\"\n", resource_path);
+
+ info.iface = iface;
+ info.protocols = protocols;
+#ifndef LWS_NO_EXTENSIONS
+ info.extensions = lws_get_internal_extensions();
+#endif
+
+ 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;
+}
projects / platform / upstream / libwebsockets.git / commitdiff