mirror of
https://github.com/signalwire/freeswitch.git
synced 2025-08-13 17:38:59 +00:00
add ws
This commit is contained in:
Michael Jerris
341
libs/libwebsockets/test-server/test-client.c
Normal file
341
libs/libwebsockets/test-server/test-client.c
Normal file
@@ -0,0 +1,341 @@
|
||||
/*
|
||||
* libwebsockets-test-client - libwebsockets test implementation
|
||||
*
|
||||
* Copyright (C) 2011 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 <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <unistd.h>
|
||||
#include <getopt.h>
|
||||
#include <string.h>
|
||||
|
||||
#include "../lib/libwebsockets.h"
|
||||
|
||||
static unsigned int opts;
|
||||
static int was_closed;
|
||||
static int deny_deflate;
|
||||
static int deny_mux;
|
||||
static struct libwebsocket *wsi_mirror;
|
||||
|
||||
/*
|
||||
* This demo shows how to connect multiple websockets simultaneously to a
|
||||
* websocket server (there is no restriction on their having to be the same
|
||||
* server just it simplifies the demo).
|
||||
*
|
||||
* dumb-increment-protocol: we connect to the server and print the number
|
||||
* we are given
|
||||
*
|
||||
* lws-mirror-protocol: draws random circles, which are mirrored on to every
|
||||
* client (see them being drawn in every browser
|
||||
* session also using the test server)
|
||||
*/
|
||||
|
||||
enum demo_protocols {
|
||||
|
||||
PROTOCOL_DUMB_INCREMENT,
|
||||
PROTOCOL_LWS_MIRROR,
|
||||
|
||||
/* always last */
|
||||
DEMO_PROTOCOL_COUNT
|
||||
};
|
||||
|
||||
|
||||
/* dumb_increment protocol */
|
||||
|
||||
static int
|
||||
callback_dumb_increment(struct libwebsocket_context *this,
|
||||
struct libwebsocket *wsi,
|
||||
enum libwebsocket_callback_reasons reason,
|
||||
void *user, void *in, size_t len)
|
||||
{
|
||||
switch (reason) {
|
||||
|
||||
case LWS_CALLBACK_CLOSED:
|
||||
fprintf(stderr, "LWS_CALLBACK_CLOSED\n");
|
||||
was_closed = 1;
|
||||
break;
|
||||
|
||||
case LWS_CALLBACK_CLIENT_RECEIVE:
|
||||
((char *)in)[len] = '\0';
|
||||
fprintf(stderr, "rx %d '%s'\n", (int)len, (char *)in);
|
||||
break;
|
||||
|
||||
/* because we are protocols[0] ... */
|
||||
|
||||
case LWS_CALLBACK_CLIENT_CONFIRM_EXTENSION_SUPPORTED:
|
||||
if ((strcmp(in, "deflate-stream") == 0) && deny_deflate) {
|
||||
fprintf(stderr, "denied deflate-stream extension\n");
|
||||
return 1;
|
||||
}
|
||||
if ((strcmp(in, "x-google-mux") == 0) && deny_mux) {
|
||||
fprintf(stderr, "denied x-google-mux extension\n");
|
||||
return 1;
|
||||
}
|
||||
|
||||
break;
|
||||
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
/* lws-mirror_protocol */
|
||||
|
||||
|
||||
static int
|
||||
callback_lws_mirror(struct libwebsocket_context *this,
|
||||
struct libwebsocket *wsi,
|
||||
enum libwebsocket_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;
|
||||
|
||||
switch (reason) {
|
||||
|
||||
case LWS_CALLBACK_CLOSED:
|
||||
fprintf(stderr, "mirror: LWS_CALLBACK_CLOSED\n");
|
||||
wsi_mirror = NULL;
|
||||
break;
|
||||
|
||||
case LWS_CALLBACK_CLIENT_ESTABLISHED:
|
||||
|
||||
/*
|
||||
* start the ball rolling,
|
||||
* LWS_CALLBACK_CLIENT_WRITEABLE will come next service
|
||||
*/
|
||||
|
||||
libwebsocket_callback_on_writable(this, wsi);
|
||||
break;
|
||||
|
||||
case LWS_CALLBACK_CLIENT_RECEIVE:
|
||||
/* fprintf(stderr, "rx %d '%s'\n", (int)len, (char *)in); */
|
||||
break;
|
||||
|
||||
case LWS_CALLBACK_CLIENT_WRITEABLE:
|
||||
|
||||
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, opts | LWS_WRITE_TEXT);
|
||||
|
||||
/* get notified as soon as we can write again */
|
||||
|
||||
libwebsocket_callback_on_writable(this, wsi);
|
||||
|
||||
/*
|
||||
* without at least this delay, we choke the browser
|
||||
* and the connection stalls, despite we now take care about
|
||||
* flow control
|
||||
*/
|
||||
|
||||
usleep(200);
|
||||
break;
|
||||
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
/* list of supported protocols and callbacks */
|
||||
|
||||
static struct libwebsocket_protocols protocols[] = {
|
||||
{
|
||||
"dumb-increment-protocol",
|
||||
callback_dumb_increment,
|
||||
0,
|
||||
},
|
||||
{
|
||||
"lws-mirror-protocol",
|
||||
callback_lws_mirror,
|
||||
0,
|
||||
},
|
||||
{ /* end of list */
|
||||
NULL,
|
||||
NULL,
|
||||
0
|
||||
}
|
||||
};
|
||||
|
||||
static struct option options[] = {
|
||||
{ "help", no_argument, NULL, 'h' },
|
||||
{ "port", required_argument, NULL, 'p' },
|
||||
{ "ssl", no_argument, NULL, 's' },
|
||||
{ "killmask", no_argument, NULL, 'k' },
|
||||
{ "version", required_argument, NULL, 'v' },
|
||||
{ "undeflated", no_argument, NULL, 'u' },
|
||||
{ "nomux", no_argument, NULL, 'n' },
|
||||
{ NULL, 0, 0, 0 }
|
||||
};
|
||||
|
||||
|
||||
int main(int argc, char **argv)
|
||||
{
|
||||
int n = 0;
|
||||
int port = 7681;
|
||||
int use_ssl = 0;
|
||||
struct libwebsocket_context *context;
|
||||
const char *address;
|
||||
struct libwebsocket *wsi_dumb;
|
||||
int ietf_version = -1; /* latest */
|
||||
int mirror_lifetime = 0;
|
||||
|
||||
fprintf(stderr, "libwebsockets test client\n"
|
||||
"(C) Copyright 2010 Andy Green <andy@warmcat.com> "
|
||||
"licensed under LGPL2.1\n");
|
||||
|
||||
if (argc < 2)
|
||||
goto usage;
|
||||
|
||||
while (n >= 0) {
|
||||
n = getopt_long(argc, argv, "nuv:khsp:", options, NULL);
|
||||
if (n < 0)
|
||||
continue;
|
||||
switch (n) {
|
||||
case 's':
|
||||
use_ssl = 2; /* 2 = allow selfsigned */
|
||||
break;
|
||||
case 'p':
|
||||
port = atoi(optarg);
|
||||
break;
|
||||
case 'k':
|
||||
opts = LWS_WRITE_CLIENT_IGNORE_XOR_MASK;
|
||||
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;
|
||||
|
||||
address = argv[optind];
|
||||
|
||||
/*
|
||||
* create the websockets context. This tracks open connections and
|
||||
* knows how to route any traffic and which protocol version to use,
|
||||
* and if each connection is client or server side.
|
||||
*
|
||||
* For this client-only demo, we tell it to not listen on any port.
|
||||
*/
|
||||
|
||||
context = libwebsocket_create_context(CONTEXT_PORT_NO_LISTEN, NULL,
|
||||
protocols, libwebsocket_internal_extensions,
|
||||
NULL, NULL, -1, -1, 0);
|
||||
if (context == NULL) {
|
||||
fprintf(stderr, "Creating libwebsocket context failed\n");
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
||||
/* create a client websocket using dumb increment protocol */
|
||||
|
||||
wsi_dumb = libwebsocket_client_connect(context, address, port, use_ssl,
|
||||
"/", argv[optind], argv[optind],
|
||||
protocols[PROTOCOL_DUMB_INCREMENT].name, ietf_version);
|
||||
|
||||
if (wsi_dumb == NULL) {
|
||||
fprintf(stderr, "libwebsocket dumb connect failed\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
fprintf(stderr, "Websocket connections opened\n");
|
||||
|
||||
/*
|
||||
* sit there servicing the websocket context to handle incoming
|
||||
* packets, and drawing random circles on the mirror protocol websocket
|
||||
*/
|
||||
|
||||
n = 0;
|
||||
while (n >= 0 && !was_closed) {
|
||||
n = libwebsocket_service(context, 1000);
|
||||
|
||||
if (n < 0)
|
||||
continue;
|
||||
|
||||
if (wsi_mirror == NULL) {
|
||||
|
||||
/* create a client websocket using mirror protocol */
|
||||
|
||||
wsi_mirror = libwebsocket_client_connect(context,
|
||||
address, port, use_ssl, "/",
|
||||
argv[optind], argv[optind],
|
||||
protocols[PROTOCOL_LWS_MIRROR].name,
|
||||
ietf_version);
|
||||
|
||||
if (wsi_mirror == NULL) {
|
||||
fprintf(stderr, "libwebsocket "
|
||||
"dumb connect failed\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
mirror_lifetime = 10 + (random() & 1023);
|
||||
|
||||
fprintf(stderr, "opened mirror connection with "
|
||||
"%d lifetime\n", mirror_lifetime);
|
||||
|
||||
} else {
|
||||
|
||||
mirror_lifetime--;
|
||||
if (mirror_lifetime == 0) {
|
||||
fprintf(stderr, "closing mirror session\n");
|
||||
libwebsocket_close_and_free_session(context,
|
||||
wsi_mirror, LWS_CLOSE_STATUS_GOINGAWAY);
|
||||
|
||||
/*
|
||||
* wsi_mirror will get set to NULL in
|
||||
* callback when close completes
|
||||
*/
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fprintf(stderr, "Exiting\n");
|
||||
|
||||
libwebsocket_context_destroy(context);
|
||||
|
||||
return 0;
|
||||
|
||||
usage:
|
||||
fprintf(stderr, "Usage: libwebsockets-test-client "
|
||||
"<server address> [--port=<p>] "
|
||||
"[--ssl] [-k] [-v <ver>]\n");
|
||||
return 1;
|
||||
}
|
||||
Reference in New Issue
Block a user