/*
* libwebsockets-test-client - libwebsockets test implementation
*
- * Copyright (C) 2011 Andy Green <andy@warmcat.com>
+ * Copyright (C) 2011
-2016 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 file is made available under the Creative Commons CC0 1.0
+ * Universal Public Domain Dedication.
*
- * 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.
+ * 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.
*
- * 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
+ * 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 <stdio.h>
#include <stdlib.h>
-#include <unistd.h>
#include <getopt.h>
#include <string.h>
-
+#include <signal.h>
+
+#ifdef _WIN32
+#define random rand
+#include "gettimeofday.h"
+#else
+#include <syslog.h>
+#include <sys/time.h>
+#include <unistd.h>
+#endif
#include "../lib/libwebsockets.h"
-#include <poll.h>
+
+static int deny_deflate, deny_mux, longlived, mirror_lifetime;
+static struct lws *wsi_dumb, *wsi_mirror;
+static volatile int force_exit;
+static unsigned int opts;
/*
* This demo shows how to connect multiple websockets simultaneously to a
};
-/* dumb_increment protocol */
+/*
+ * dumb_increment protocol
+ *
+ * since this also happens to be protocols[0], some callbacks that are not
+ * bound to a specific protocol also turn up here.
+ */
static int
-callback_dumb_increment(struct libwebsocket *wsi,
- enum libwebsocket_callback_reasons reason,
- void *user, void *in, size_t len)
+callback_dumb_increment(struct lws *wsi, enum lws_callback_reasons reason,
+ void *user, void *in, size_t len)
{
+ char *buf = (char *)in;
+
switch (reason) {
+ case LWS_CALLBACK_CLIENT_ESTABLISHED:
+ lwsl_info("dumb: LWS_CALLBACK_CLIENT_ESTABLISHED\n");
+ break;
+
+ case LWS_CALLBACK_CLOSED:
+ lwsl_notice("dumb: LWS_CALLBACK_CLOSED\n");
+ wsi_dumb = NULL;
+ break;
+
case LWS_CALLBACK_CLIENT_RECEIVE:
((char *)in)[len] = '\0';
- fprintf(stderr, "rx %d '%s'\n", (int)len, (char *)in);
+ lwsl_info("rx %d '%s'\n", (int)len, (char *)in);
+ break;
+
+ /* because we are protocols[0] ... */
+
+ case LWS_CALLBACK_CLIENT_CONNECTION_ERROR:
+ if (wsi == wsi_dumb) {
+ lwsl_err("dumb: LWS_CALLBACK_CLIENT_CONNECTION_ERROR\n");
+ wsi_dumb = NULL;
+ }
+ if (wsi == wsi_mirror) {
+ lwsl_err("mirror: LWS_CALLBACK_CLIENT_CONNECTION_ERROR\n");
+ wsi_mirror = NULL;
+ }
+ break;
+
+ case LWS_CALLBACK_CLIENT_CONFIRM_EXTENSION_SUPPORTED:
+ if ((strcmp(in, "deflate-stream") == 0) && deny_deflate) {
+ lwsl_notice("denied deflate-stream extension\n");
+ return 1;
+ }
+ if ((strcmp(in, "x-webkit-deflate-frame") == 0))
+ return 1;
+ if ((strcmp(in, "deflate-frame") == 0))
+ return 1;
+ break;
+
+ case LWS_CALLBACK_RECEIVE_CLIENT_HTTP:
+ while (len--)
+ putchar(*buf++);
+ break;
+
+ case LWS_CALLBACK_COMPLETED_CLIENT_HTTP:
+ wsi_dumb = NULL;
+ force_exit = 1;
break;
default:
static int
-callback_lws_mirror(struct libwebsocket *wsi,
- enum libwebsocket_callback_reasons reason,
- void *user, void *in, size_t len)
+callback_lws_mirror(struct lws *wsi, enum lws_callback_reasons reason,
+ void *user, void *in, size_t len)
{
- unsigned char buf[LWS_SEND_BUFFER_PRE_PADDING + 4096 +
- LWS_SEND_BUFFER_POST_PADDING];
- int l;
+ unsigned char buf[LWS_PRE + 4096];
+ unsigned int rands[4];
+ int l = 0;
+ int n;
switch (reason) {
-
case LWS_CALLBACK_CLIENT_ESTABLISHED:
+ lwsl_notice("mirror: LWS_CALLBACK_CLIENT_ESTABLISHED\n");
+
+ lws_get_random(lws_get_context(wsi), rands, sizeof(rands[0]));
+ mirror_lifetime = 16384 + (rands[0] & 65535);
+ /* useful to test single connection stability */
+ if (longlived)
+ mirror_lifetime += 500000;
+
+ lwsl_info("opened mirror connection with "
+ "%d lifetime\n", mirror_lifetime);
+
/*
+ * mirror_lifetime is decremented each send, when it reaches
+ * zero the connection is closed in the send callback.
+ * When the close callback comes, wsi_mirror is set to NULL
+ * so a new connection will be opened
+ *
* start the ball rolling,
* LWS_CALLBACK_CLIENT_WRITEABLE will come next service
*/
-
- libwebsocket_callback_on_writable(wsi);
+ lws_callback_on_writable(wsi);
break;
- case LWS_CALLBACK_CLIENT_RECEIVE:
-/* fprintf(stderr, "rx %d '%s'\n", (int)len, (char *)in); */
+ case LWS_CALLBACK_CLOSED:
+ lwsl_notice("mirror: LWS_CALLBACK_CLOSED mirror_lifetime=%d\n", mirror_lifetime);
+ wsi_mirror = NULL;
break;
case LWS_CALLBACK_CLIENT_WRITEABLE:
+ for (n = 0; n < 1; n++) {
+ lws_get_random(lws_get_context(wsi), rands, sizeof(rands));
+ l += sprintf((char *)&buf[LWS_PRE + l],
+ "c #%06X %u %u %u;",
+ rands[0] & 0xffffff, /* colour */
+ rands[1] & 511, /* x */
+ rands[2] & 255, /* y */
+ (rands[3] & 31) + 1); /* radius */
+ }
- l = sprintf((char *)&buf[LWS_SEND_BUFFER_PRE_PADDING],
- "c #%06X %d %d %d;",
- (int)random() & 0xffffff,
- (int)random() % 500,
- (int)random() % 250,
- (int)random() % 24);
-
- libwebsocket_write(wsi,
- &buf[LWS_SEND_BUFFER_PRE_PADDING], l, LWS_WRITE_TEXT);
+ n = lws_write(wsi, &buf[LWS_PRE], l,
+ opts | LWS_WRITE_TEXT);
+ if (n < 0)
+ return -1;
+ if (n < l) {
+ lwsl_err("Partial write LWS_CALLBACK_CLIENT_WRITEABLE\n");
+ return -1;
+ }
+ mirror_lifetime--;
+ if (!mirror_lifetime) {
+ lwsl_info("closing mirror session\n");
+ return -1;
+ }
/* get notified as soon as we can write again */
-
- libwebsocket_callback_on_writable(wsi);
-
- /*
- * without at least this delay, we choke the browser
- * and the connection stalls, despite we now take care about
- * flow control
- */
-
- usleep(200);
+ lws_callback_on_writable(wsi);
break;
default:
/* list of supported protocols and callbacks */
-static struct libwebsocket_protocols protocols[] = {
+static struct lws_protocols protocols[] = {
+ {
+ "dumb-increment-protocol,fake-nonexistant-protocol",
+ callback_dumb_increment,
+ 0,
+ 20,
+ },
+ {
+ "fake-nonexistant-protocol,lws-mirror-protocol",
+ callback_lws_mirror,
+ 0,
+ 128,
+ },
+ { NULL, NULL, 0, 0 } /* end */
+};
- [PROTOCOL_DUMB_INCREMENT] = {
- .name = "dumb-increment-protocol",
- .callback = callback_dumb_increment,
+static const struct lws_extension exts[] = {
+ {
+ "permessage-deflate",
+ lws_extension_callback_pm_deflate,
+ "permessage-deflate; client_max_window_bits"
},
- [PROTOCOL_LWS_MIRROR] = {
- .name = "lws-mirror-protocol",
- .callback = callback_lws_mirror,
+ {
+ "deflate-frame",
+ lws_extension_callback_pm_deflate,
+ "deflate_frame"
},
- [DEMO_PROTOCOL_COUNT] = { /* end of list */
- .callback = NULL
- }
+ { NULL, NULL, NULL /* terminator */ }
};
+
+
+void sighandler(int sig)
+{
+ force_exit = 1;
+}
+
static struct option options[] = {
{ "help", no_argument, NULL, 'h' },
+ { "debug", required_argument, NULL, 'd' },
{ "port", required_argument, NULL, 'p' },
{ "ssl", no_argument, NULL, 's' },
+ { "version", required_argument, NULL, 'v' },
+ { "undeflated", no_argument, NULL, 'u' },
+ { "nomux", no_argument, NULL, 'n' },
+ { "longlived", no_argument, NULL, 'l' },
{ NULL, 0, 0, 0 }
};
+static int ratelimit_connects(unsigned int *last, unsigned int secs)
+{
+ struct timeval tv;
+
+ gettimeofday(&tv, NULL);
+ if (tv.tv_sec - (*last) < secs)
+ return 0;
+
+ *last = tv.tv_sec;
+
+ return 1;
+}
int main(int argc, char **argv)
{
- int n = 0;
- int port = 7681;
- int use_ssl = 0;
- struct libwebsocket_context *context;
- const char *address = argv[1];
- struct libwebsocket *wsi_dumb;
- struct libwebsocket *wsi_mirror;
+ int n = 0, ret = 0, port = 7681, use_ssl = 0, ietf_version = -1;
+ unsigned int rl_dumb = 0, rl_mirror = 0, do_ws = 1;
+ struct lws_context_creation_info info;
+ struct lws_client_connect_info i;
+ struct lws_context *context;
+ const char *prot, *p;
+ char path[300];
+ memset(&info, 0, sizeof info);
- fprintf(stderr, "libwebsockets test client\n"
- "(C) Copyright 2010 Andy Green <andy@warmcat.com> "
- "licensed under LGPL2.1\n");
+ lwsl_notice("libwebsockets test client - license LGPL2.1+SLE\n");
+ lwsl_notice("(C) Copyright 2010-2016 Andy Green <andy@warmcat.com>\n");
if (argc < 2)
goto usage;
- optind++;
-
while (n >= 0) {
- n = getopt_long(argc, argv, "hsp:", options, NULL);
+ n = getopt_long(argc, argv, "nuv:hsp:d:l", options, NULL);
if (n < 0)
continue;
switch (n) {
+ case 'd':
+ lws_set_log_level(atoi(optarg), NULL);
+ break;
case 's':
use_ssl = 2; /* 2 = allow selfsigned */
break;
case 'p':
port = atoi(optarg);
break;
+ case 'l':
+ longlived = 1;
+ break;
+ case 'v':
+ ietf_version = atoi(optarg);
+ break;
+ case 'u':
+ deny_deflate = 1;
+ break;
+ case 'n':
+ deny_mux = 1;
+ break;
case 'h':
goto usage;
}
}
+ if (optind >= argc)
+ goto usage;
+
+ signal(SIGINT, sighandler);
+
+ memset(&i, 0, sizeof(i));
+
+ i.port = port;
+ if (lws_parse_uri(argv[optind], &prot, &i.address, &i.port, &p))
+ goto usage;
+
+ /* add back the leading / on path */
+ path[0] = '/';
+ strncpy(path + 1, p, sizeof(path) - 2);
+ path[sizeof(path) - 1] = '\0';
+ i.path = path;
+
+ if (!strcmp(prot, "http") || !strcmp(prot, "ws"))
+ use_ssl = 0;
+ if (!strcmp(prot, "https") || !strcmp(prot, "wss"))
+ use_ssl = 1;
+
/*
* create the websockets context. This tracks open connections and
* knows how to route any traffic and which protocol version to use,
* For this client-only demo, we tell it to not listen on any port.
*/
- context = libwebsocket_create_context(CONTEXT_PORT_NO_LISTEN,
- protocols, NULL, NULL, -1, -1);
+ info.port = CONTEXT_PORT_NO_LISTEN;
+ info.protocols = protocols;
+ info.gid = -1;
+ info.uid = -1;
+
+ if (use_ssl)
+ info.options |= LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT;
+
+ context = lws_create_context(&info);
if (context == NULL) {
fprintf(stderr, "Creating libwebsocket context failed\n");
return 1;
}
+ i.context = context;
+ i.ssl_connection = use_ssl;
+ i.host = i.address;
+ i.origin = i.address;
+ i.ietf_version_or_minus_one = ietf_version;
+ i.client_exts = exts;
- /* create a client websocket using dumb increment protocol */
-
- wsi_dumb = libwebsocket_client_connect(context, address, port, use_ssl,
- "/", "http://host", "origin",
- protocols[PROTOCOL_DUMB_INCREMENT].name);
-
- if (wsi_dumb == NULL) {
- fprintf(stderr, "libwebsocket dumb connect failed\n");
- return -1;
- }
-
- /* create a client websocket using mirror protocol */
-
- wsi_mirror = libwebsocket_client_connect(context, address, port,
- use_ssl, "/", "http://host", "origin",
- protocols[PROTOCOL_LWS_MIRROR].name);
-
- if (wsi_mirror == NULL) {
- fprintf(stderr, "libwebsocket dumb connect failed\n");
- return -1;
- }
-
- fprintf(stderr, "Websocket connections opened\n");
+ if (!strcmp(prot, "http") || !strcmp(prot, "https")) {
+ lwsl_notice("using %s mode (non-ws)\n", prot);
+ i.method = "GET";
+ do_ws = 0;
+ } else
+ lwsl_notice("using %s mode (ws)\n", prot);
/*
* sit there servicing the websocket context to handle incoming
* packets, and drawing random circles on the mirror protocol websocket
+ *
+ * nothing happens until the client websocket connection is
+ * asynchronously established... calling lws_client_connect() only
+ * instantiates the connection logically, lws_service() progresses it
+ * asynchronously.
*/
- n = 0;
- while (n >= 0)
- n = libwebsocket_service(context, 1000);
-
- libwebsocket_client_close(wsi_dumb);
- libwebsocket_client_close(wsi_mirror);
+ while (!force_exit) {
+
+ if (do_ws) {
+ if (!wsi_dumb && ratelimit_connects(&rl_dumb, 2u)) {
+ lwsl_notice("dumb: connecting\n");
+ i.protocol = protocols[PROTOCOL_DUMB_INCREMENT].name;
+ wsi_dumb = lws_client_connect_via_info(&i);
+ }
+
+ if (!wsi_mirror && ratelimit_connects(&rl_mirror, 2u)) {
+ lwsl_notice("mirror: connecting\n");
+ i.protocol = protocols[PROTOCOL_LWS_MIRROR].name;
+ wsi_mirror = lws_client_connect_via_info(&i);
+ }
+ } else
+ if (!wsi_dumb && ratelimit_connects(&rl_dumb, 2u)) {
+ lwsl_notice("http: connecting\n");
+ wsi_dumb = lws_client_connect_via_info(&i);
+ }
+
+ lws_service(context, 500);
+ }
- libwebsocket_context_destroy(context);
+ lwsl_err("Exiting\n");
+ lws_context_destroy(context);
- return 0;
+ return ret;
usage:
fprintf(stderr, "Usage: libwebsockets-test-client "
- "<server address> [--port=<p>] "
- "[--ssl]\n");
+ "<server address> [--port=<p>] "
+ "[--ssl] [-k] [-v <ver>] "
+ "[-d <log bitfield>] [-l]\n");
return 1;
}
projects / platform / upstream / libwebsockets.git / blobdiff