/*
* libwebsockets-test-client - libwebsockets test implementation
*
* Written in 2010-2019 by Andy Green <andy@warmcat.com>
*
* 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 <stdio.h>
#include <stdlib.h>
#if defined(LWS_HAS_GETOPT_LONG) || defined(WIN32)
#include <getopt.h>
#endif
#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 <libwebsockets.h>
struct lws_poly_gen {
uint32_t cyc[2];
};
#define block_size (3 * 4096)
static int deny_deflate, longlived, mirror_lifetime, test_post, once;
static struct lws *wsi_dumb, *wsi_mirror;
static struct lws *wsi_multi[3];
static volatile int force_exit;
static unsigned int opts, rl_multi[3];
static int flag_no_mirror_traffic, justmirror, flag_echo;
static uint32_t count_blocks = 1024, txb, rxb, rx_count, errs;
static struct lws_poly_gen tx = { { 0xabcde, 0x23456789 } },
rx = { { 0xabcde, 0x23456789 } }
;
#if defined(LWS_WITH_TLS) && defined(LWS_HAVE_SSL_CTX_set1_param)
char crl_path[1024] = "";
#endif
/*
* 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
};
static uint8_t
lws_poly_rand(struct lws_poly_gen *p)
{
p->cyc[0] = (p->cyc[0] & 1) ? (p->cyc[0] >> 1) ^ 0xb4bcd35c :
p->cyc[0] >> 1;
p->cyc[0] = (p->cyc[0] & 1) ? (p->cyc[0] >> 1) ^ 0xb4bcd35c :
p->cyc[0] >> 1;
p->cyc[1] = (p->cyc[1] & 1) ? (p->cyc[1] >> 1) ^ 0x7a5bc2e3 :
p->cyc[1] >> 1;
return (uint8_t)(p->cyc[0] ^ p->cyc[1]);
}
static void show_http_content(const char *p, size_t l)
{
if (lwsl_visible(LLL_INFO)) {
while (l--)
if (*p < 0x7f)
putchar(*p++);
else
putchar('.');
}
}
/*
* 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 lws *wsi, enum lws_callback_reasons reason,
void *user, void *in, size_t len)
{
#if defined(LWS_WITH_TLS)
union lws_tls_cert_info_results ci;
#if defined(LWS_HAVE_CTIME_R) && !defined(LWS_WITH_NO_LOGS)
char date[32];
#endif
#endif
const char *which = "http";
char which_wsi[10], buf[50 + LWS_PRE];
int n;
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';
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) {
which = "dumb";
wsi_dumb = NULL;
}
if (wsi == wsi_mirror) {
which = "mirror";
wsi_mirror = NULL;
}
for (n = 0; n < (int)LWS_ARRAY_SIZE(wsi_multi); n++)
if (wsi == wsi_multi[n]) {
sprintf(which_wsi, "multi %d", n);
which = which_wsi;
wsi_multi[n] = NULL;
}
lwsl_err("CLIENT_CONNECTION_ERROR: %s: %s\n", which,
in ? (char *)in : "(null)");
break;
case LWS_CALLBACK_CLIENT_CONFIRM_EXTENSION_SUPPORTED:
if ((strcmp((const char *)in, "deflate-stream") == 0) &&
deny_deflate) {
lwsl_notice("denied deflate-stream extension\n");
return 1;
}
if ((strcmp((const char *)in, "x-webkit-deflate-frame") == 0))
return 1;
if ((strcmp((const char *)in, "deflate-frame") == 0))
return 1;
break;
case LWS_CALLBACK_ESTABLISHED_CLIENT_HTTP:
lwsl_notice("lws_http_client_http_response %d\n",
lws_http_client_http_response(wsi));
#if defined(LWS_WITH_TLS)
if (!lws_tls_peer_cert_info(wsi, LWS_TLS_CERT_INFO_COMMON_NAME,
&ci, sizeof(ci.ns.name)))
lwsl_notice(" Peer Cert CN : %s\n", ci.ns.name);
if (!lws_tls_peer_cert_info(wsi, LWS_TLS_CERT_INFO_ISSUER_NAME,
&ci, sizeof(ci.ns.name)))
lwsl_notice(" Peer Cert issuer : %s\n", ci.ns.name);
if (!lws_tls_peer_cert_info(wsi, LWS_TLS_CERT_INFO_VALIDITY_FROM,
&ci, 0))
#if defined(LWS_HAVE_CTIME_R)
lwsl_notice(" Peer Cert Valid from: %s",
ctime_r(&ci.time, date));
#else
lwsl_notice(" Peer Cert Valid from: %s",
ctime(&ci.time));
#endif
if (!lws_tls_peer_cert_info(wsi, LWS_TLS_CERT_INFO_VALIDITY_TO,
&ci, 0))
#if defined(LWS_HAVE_CTIME_R)
lwsl_notice(" Peer Cert Valid to : %s",
ctime_r(&ci.time, date));
#else
lwsl_notice(" Peer Cert Valid to : %s",
ctime(&ci.time));
#endif
if (!lws_tls_peer_cert_info(wsi, LWS_TLS_CERT_INFO_USAGE,
&ci, 0))
lwsl_notice(" Peer Cert usage bits: 0x%x\n", ci.usage);
#endif
break;
/* chunked content */
case LWS_CALLBACK_RECEIVE_CLIENT_HTTP_READ:
lwsl_notice("LWS_CALLBACK_RECEIVE_CLIENT_HTTP_READ: %ld\n",
(long)len);
show_http_content(in, len);
break;
/* unchunked content */
case LWS_CALLBACK_RECEIVE_CLIENT_HTTP:
{
char buffer[1024 + LWS_PRE];
char *px = buffer + LWS_PRE;
int lenx = sizeof(buffer) - LWS_PRE;
/*
* Often you need to flow control this by something
* else being writable. In that case call the api
* to get a callback when writable here, and do the
* pending client read in the writeable callback of
* the output.
*
* In the case of chunked content, this will call back
* LWS_CALLBACK_RECEIVE_CLIENT_HTTP_READ once per
* chunk or partial chunk in the buffer, and report
* zero length back here.
*/
if (lws_http_client_read(wsi, &px, &lenx) < 0)
return -1;
}
break;
case LWS_CALLBACK_CLIENT_WRITEABLE:
lwsl_info("Client wsi %p writable\n", wsi);
break;
case LWS_CALLBACK_CLIENT_APPEND_HANDSHAKE_HEADER:
if (test_post) {
unsigned char **p = (unsigned char **)in, *end = (*p) + len;
if (lws_add_http_header_by_token(wsi,
WSI_TOKEN_HTTP_CONTENT_LENGTH,
(unsigned char *)"29", 2, p, end))
return -1;
if (lws_add_http_header_by_token(wsi,
WSI_TOKEN_HTTP_CONTENT_TYPE,
(unsigned char *)"application/x-www-form-urlencoded",
33, p, end))
return -1;
/* inform lws we have http body to send */
lws_client_http_body_pending(wsi, 1);
lws_callback_on_writable(wsi);
}
break;
case LWS_CALLBACK_CLIENT_HTTP_WRITEABLE:
strcpy(buf + LWS_PRE, "text=hello&send=Send+the+form");
n = lws_write(wsi, (unsigned char *)&buf[LWS_PRE],
strlen(&buf[LWS_PRE]), LWS_WRITE_HTTP);
if (n < 0)
return -1;
/* we only had one thing to send, so inform lws we are done
* if we had more to send, call lws_callback_on_writable(wsi);
* and just return 0 from callback. On having sent the last
* part, call the below api instead.*/
lws_client_http_body_pending(wsi, 0);
break;
case LWS_CALLBACK_COMPLETED_CLIENT_HTTP:
wsi_dumb = NULL;
force_exit = 1;
break;
#if defined(LWS_WITH_TLS) && defined(LWS_HAVE_SSL_CTX_set1_param) && \
!defined(LWS_WITH_MBEDTLS)
case LWS_CALLBACK_OPENSSL_LOAD_EXTRA_CLIENT_VERIFY_CERTS:
if (crl_path[0]) {
/* Enable CRL checking of the server certificate */
X509_STORE *store;
X509_LOOKUP *lookup;
int n;
X509_VERIFY_PARAM *param = X509_VERIFY_PARAM_new();
X509_VERIFY_PARAM_set_flags(param, X509_V_FLAG_CRL_CHECK);
SSL_CTX_set1_param((SSL_CTX*)user, param);
store = SSL_CTX_get_cert_store((SSL_CTX*)user);
lookup = X509_STORE_add_lookup(store,
X509_LOOKUP_file());
n = X509_load_cert_crl_file(lookup, crl_path,
X509_FILETYPE_PEM);
X509_VERIFY_PARAM_free(param);
if (n != 1) {
char errbuf[256];
const char *es;
n = (int)ERR_get_error();
es = ERR_error_string(
#if defined(LWS_WITH_BORINGSSL)
(uint32_t)
#else
(unsigned long)
#endif
n, errbuf);
lwsl_err("EXTRA_CLIENT_VERIFY_CERTS: "
"SSL error: %s (%d)\n", es, n);
return 1;
}
}
break;
#endif
default:
break;
}
return 0;
}
/* lws-mirror_protocol */
static int
callback_lws_mirror(struct lws *wsi, enum lws_callback_reasons reason,
void *user, void *in, size_t len)
{
unsigned char buf[LWS_PRE + block_size], *p;
unsigned int rands[4];
int l = 0;
int n;
switch (reason) {
case LWS_CALLBACK_CLIENT_ESTABLISHED:
lwsl_notice("mirror: LWS_CALLBACK_CLIENT_ESTABLISHED\n");
if (flag_echo) {
rxb = txb = 0;
rx.cyc[0] = tx.cyc[0] = 0xabcde;
rx.cyc[1] = tx.cyc[1] = 0x23456789;
lws_callback_on_writable(wsi);
break;
}
lws_get_random(lws_get_context(wsi), rands, sizeof(rands[0]));
mirror_lifetime = (int)(16384 + (rands[0] & 65535));
/* useful to test single connection stability */
if (longlived)
mirror_lifetime += 500000;
lwsl_notice("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
*/
if (!flag_no_mirror_traffic)
lws_callback_on_writable(wsi);
break;
case LWS_CALLBACK_CLIENT_CLOSED:
lwsl_notice("mirror: LWS_CALLBACK_CLOSED mirror_lifetime=%d, "
"rxb %d, rx_count %d\n", mirror_lifetime, rxb,
rx_count);
wsi_mirror = NULL;
if (flag_echo || once)
force_exit = 1;
break;
case LWS_CALLBACK_CLIENT_WRITEABLE:
lwsl_user("LWS_CALLBACK_CLIENT_WRITEABLE\n");
if (flag_no_mirror_traffic)
return 0;
if (flag_echo) {
for (n = 0; n < (int)block_size; n++)
buf[LWS_PRE + n] = lws_poly_rand(&tx);
n = lws_write(wsi, &buf[LWS_PRE], block_size,
opts | LWS_WRITE_TEXT);
if (n < 0) {
lwsl_err("Error sending\n");
return -1;
}
txb++;
if (txb != count_blocks)
lws_callback_on_writable(wsi);
else {
lwsl_notice("send completed: %d x %d\n",
count_blocks, block_size);
}
break;
}
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 */
}
n = (int)lws_write(wsi, &buf[LWS_PRE], (unsigned int)l,
opts | LWS_WRITE_TEXT);
if (n < 0)
return -1;
if (n < l) {
lwsl_err("Partial write LWS_CALLBACK_CLIENT_WRITEABLE\n");
return -1;
}
if (!justmirror)
mirror_lifetime--;
if (!mirror_lifetime) {
lwsl_notice("closing mirror session\n");
return -1;
}
/* get notified as soon as we can write again */
lws_callback_on_writable(wsi);
#if !defined(_WIN32) && !defined(WIN32)
usleep(50);
#endif
break;
case LWS_CALLBACK_CLIENT_RECEIVE:
if (flag_echo) {
p = (unsigned char *)in;
for (n = 0; n < (int)len; n++)
if (*p++ != lws_poly_rand(&rx)) {
lwsl_err("mismatch at rxb %d offset %d\n", (int)rxb + (n / block_size), n % block_size);
errs++;
force_exit = 1;
return -1;
}
rx_count += (unsigned int)(unsigned long long)len;
while (rx_count >= block_size) {
rx_count -= block_size;
rxb++;
}
if (rx_count == 0 && rxb == count_blocks) {
lwsl_notice("Everything received: errs %d\n",
errs);
force_exit = 1;
return -1;
}
}
break;
default:
break;
}
return 0;
}
static int
callback_test_raw_client(struct lws *wsi, enum lws_callback_reasons reason,
void *user, void *in, size_t len)
{
switch (reason) {
case LWS_CALLBACK_RAW_ADOPT:
lwsl_notice("LWS_CALLBACK_RAW_ADOPT\n");
break;
case LWS_CALLBACK_RAW_RX:
lwsl_notice("LWS_CALLBACK_RAW_RX %ld\n", (long)len);
puts(in);
break;
case LWS_CALLBACK_RAW_CLOSE:
lwsl_notice("LWS_CALLBACK_RAW_CLOSE\n");
break;
case LWS_CALLBACK_RAW_WRITEABLE:
lwsl_notice("LWS_CALLBACK_RAW_WRITEABLE\n");
break;
default:
break;
}
return 0;
}
/* list of supported protocols and callbacks */
static const struct lws_protocols protocols[] = {
{
"dumb-increment-protocol",
callback_dumb_increment,
0, 20, 0, NULL, 0
},
{
"lws-mirror-protocol",
callback_lws_mirror,
0, 4096, 0, NULL, 0
}, {
"lws-test-raw-client",
callback_test_raw_client,
0, 128, 0, NULL, 0
},
LWS_PROTOCOL_LIST_TERM
};
#if defined(LWS_ROLE_WS) && !defined(LWS_WITHOUT_EXTENSIONS)
static const struct lws_extension exts[] = {
{
"permessage-deflate",
lws_extension_callback_pm_deflate,
"permessage-deflate; client_no_context_takeover"
},
{
"deflate-frame",
lws_extension_callback_pm_deflate,
"deflate_frame"
},
{ NULL, NULL, NULL /* terminator */ }
};
#endif
void sighandler(int sig)
{
force_exit = 1;
}
#if defined(LWS_HAS_GETOPT_LONG) || defined(WIN32)
static struct option options[] = {
{ "help", no_argument, NULL, 'h' },
{ "debug", required_argument, NULL, 'd' },
{ "port", required_argument, NULL, 'p' },
{ "ssl", no_argument, NULL, 's' },
{ "strict-ssl", no_argument, NULL, 'S' },
{ "version", required_argument, NULL, 'v' },
{ "undeflated", no_argument, NULL, 'u' },
{ "echo", no_argument, NULL, 'e' },
{ "multi-test", no_argument, NULL, 'm' },
{ "nomirror", no_argument, NULL, 'n' },
{ "justmirror", no_argument, NULL, 'j' },
{ "longlived", no_argument, NULL, 'l' },
{ "post", no_argument, NULL, 'o' },
{ "once", no_argument, NULL, 'O' },
{ "ssl-cert", required_argument, NULL, 'C' },
{ "ssl-key", required_argument, NULL, 'K' },
{ "ssl-ca", required_argument, NULL, 'A' },
#if defined(LWS_WITH_TLS) && defined(LWS_HAVE_SSL_CTX_set1_param)
{ "ssl-crl", required_argument, NULL, 'R' },
#endif
{ NULL, 0, 0, 0 }
};
#endif
static int ratelimit_connects(unsigned int *last, unsigned int secs)
{
struct timeval tv;
gettimeofday(&tv, NULL);
if ((unsigned long)tv.tv_sec - (unsigned long)(*last) < (unsigned long)secs)
return 0;
*last = (unsigned int)tv.tv_sec;
return 1;
}
int main(int argc, char **argv)
{
int n = 0, m, ret = 0, port = 7681, use_ssl = 0, ietf_version = -1;
unsigned int rl_dumb = 0, rl_mirror = 0, do_ws = 1, do_multi = 0;
struct lws_context_creation_info info;
struct lws_client_connect_info i;
struct lws_context *context;
const char *prot, *p;
char path[300];
char cert_path[1024] = "";
char key_path[1024] = "";
char ca_path[1024] = "";
unsigned long last = lws_now_secs();
memset(&info, 0, sizeof info);
lwsl_notice("libwebsockets test client - license MIT\n");
lwsl_notice("(C) Copyright 2010-2018 Andy Green <andy@warmcat.com>\n");
if (argc < 2)
goto usage;
while (n >= 0) {
#if defined(LWS_HAS_GETOPT_LONG) || defined(WIN32)
n = getopt_long(argc, argv, "Sjnuv:hsp:d:lC:K:A:moeO", options, NULL);
#else
n = getopt(argc, argv, "Sjnuv:hsp:d:lC:K:A:moeO");
#endif
if (n < 0)
continue;
switch (n) {
case 'd':
lws_set_log_level(atoi(optarg), NULL);
break;
case 's': /* lax SSL, allow selfsigned, skip checking hostname */
use_ssl = LCCSCF_USE_SSL |
LCCSCF_ALLOW_SELFSIGNED |
LCCSCF_SKIP_SERVER_CERT_HOSTNAME_CHECK;
break;
case 'S': /* Strict SSL, no selfsigned, check server hostname */
use_ssl = LCCSCF_USE_SSL;
break;
case 'p':
port = atoi(optarg);
break;
case 'e':
flag_echo = 1;
break;
case 'j':
justmirror = 1;
break;
case 'l':
longlived = 1;
break;
case 'v':
ietf_version = atoi(optarg);
break;
case 'u':
deny_deflate = 1;
break;
case 'm':
do_multi = 1;
break;
case 'o':
test_post = 1;
break;
case 'O':
once = 1;
break;
case 'n':
flag_no_mirror_traffic = 1;
lwsl_notice("Disabled sending mirror data (for pingpong testing)\n");
break;
case 'C':
lws_strncpy(cert_path, optarg, sizeof(cert_path));
break;
case 'K':
lws_strncpy(key_path, optarg, sizeof(key_path));
break;
case 'A':
lws_strncpy(ca_path, optarg, sizeof(ca_path));
break;
#if defined(LWS_WITH_TLS) && defined(LWS_HAVE_SSL_CTX_set1_param)
case 'R':
lws_strncpy(crl_path, optarg, sizeof(crl_path));
break;
#endif
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 */
if (p[0] != '/') {
path[0] = '/';
lws_strncpy(path + 1, p, sizeof(path) - 1);
i.path = path;
} else
i.path = p;
if (!strcmp(prot, "http") || !strcmp(prot, "ws"))
use_ssl = 0;
if (!strcmp(prot, "https") || !strcmp(prot, "wss"))
if (!use_ssl)
use_ssl = LCCSCF_USE_SSL;
lwsl_debug("'%s' %p '%s' %p\n", i.address, i.address, i.path, i.path);
/*
* 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.
*/
info.port = CONTEXT_PORT_NO_LISTEN;
info.protocols = protocols;
info.gid = (gid_t)-1;
info.uid = (uid_t)-1;
#if defined(LWS_ROLE_WS) && !defined(LWS_WITHOUT_EXTENSIONS)
info.extensions = exts;
#endif
/*
* since we know this lws context is only ever going to be used with
* a few client wsis / fds / sockets at a time, let lws know it doesn't
* have to use the default allocations for fd tables up to ulimit -n.
* It will just allocate for 2 internal and 4 that we might use.
*/
info.fd_limit_per_thread = 2 + 4;
#if defined(LWS_WITH_TLS)
info.options |= LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT;
#endif
info.options |= LWS_SERVER_OPTION_H2_JUST_FIX_WINDOW_UPDATE_OVERFLOW;
#if defined(LWS_WITH_TLS)
if (use_ssl) {
/*
* If the server wants us to present a valid SSL client certificate
* then we can set it up here.
*/
if (cert_path[0])
info.client_ssl_cert_filepath = cert_path;
if (key_path[0])
info.client_ssl_private_key_filepath = key_path;
/*
* A CA cert and CRL can be used to validate the cert send by the server
*/
if (ca_path[0])
info.client_ssl_ca_filepath = ca_path;
#if defined(LWS_WITH_TLS) && defined(LWS_HAVE_SSL_CTX_set1_param)
else if (crl_path[0])
lwsl_notice("WARNING, providing a CRL requires a CA cert!\n");
#endif
}
if (use_ssl & LCCSCF_USE_SSL) {
lwsl_notice(" Using SSL\n");
#if defined(LWS_WITH_MBEDTLS)
lwsl_notice(" (NOTE: mbedtls needs to be given the remote\n");
lwsl_notice(" CA cert to trust (with -A) to validate it)\n");
#endif
}
else
lwsl_notice(" SSL disabled\n");
if (use_ssl & LCCSCF_ALLOW_SELFSIGNED)
lwsl_notice(" Selfsigned certs allowed\n");
else
lwsl_notice(" Cert must validate correctly (use -s to allow selfsigned)\n");
if (use_ssl & LCCSCF_SKIP_SERVER_CERT_HOSTNAME_CHECK)
lwsl_notice(" Skipping peer cert hostname check\n");
else
lwsl_notice(" Requiring peer cert hostname matches\n");
#endif
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;
if (!strcmp(prot, "http") || !strcmp(prot, "https")) {
lwsl_notice("using %s mode (non-ws)\n", prot);
if (test_post) {
i.method = "POST";
lwsl_notice("POST mode\n");
}
else
i.method = "GET";
do_ws = 0;
} else
if (!strcmp(prot, "raw")) {
i.method = "RAW";
i.protocol = "lws-test-raw-client";
lwsl_notice("using RAW mode connection\n");
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.
*/
m = 0;
while (!force_exit) {
if (do_multi) {
for (n = 0; n < (int)LWS_ARRAY_SIZE(wsi_multi); n++) {
if (!wsi_multi[n] && ratelimit_connects(&rl_multi[n], 2u)) {
lwsl_notice("dumb %d: connecting\n", n);
i.protocol = protocols[PROTOCOL_DUMB_INCREMENT].name;
i.pwsi = &wsi_multi[n];
lws_client_connect_via_info(&i);
}
}
} else {
if (do_ws) {
if (!flag_echo && !justmirror && !wsi_dumb && ratelimit_connects(&rl_dumb, 2u)) {
lwsl_notice("dumb: connecting\n");
i.protocol = protocols[PROTOCOL_DUMB_INCREMENT].name;
i.pwsi = &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;
i.pwsi = &wsi_mirror;
wsi_mirror = lws_client_connect_via_info(&i);
}
} else
if (!wsi_dumb && ratelimit_connects(&rl_dumb, 2u)) {
lwsl_notice("http: connecting\n");
i.pwsi = &wsi_dumb;
lws_client_connect_via_info(&i);
}
}
lws_service(context, 500);
if (do_multi) {
m++;
if (m == 10) {
m = 0;
lwsl_notice("doing lws_callback_on_writable_all_protocol\n");
lws_callback_on_writable_all_protocol(context,
&protocols[PROTOCOL_DUMB_INCREMENT]);
}
}
if (flag_echo && lws_now_secs() != last) {
lwsl_notice("rxb %d, rx_count %d\n", rxb, rx_count);
last = lws_now_secs();
}
}
lwsl_err("Exiting\n");
lws_context_destroy(context);
return ret;
usage:
fprintf(stderr, "Usage: libwebsockets-test-client "
"<server address> [--port=<p>] "
"[--ssl] [-k] [-v <ver>] "
"[-d <log bitfield>] [-l]\n");
return 1;
}