libwebsockets/minimal-examples-lowlevel/secure-streams/minimal-secure-streams-cpp/main.cxx

108 lines
2.3 KiB
C++

/*
* lws-minimal-secure-streams-cpp
*
* Written in 2020 by Andy Green <andy@warmcat.com>
*
* This file is made available under the Creative Commons CC0 1.0
* Universal Public Domain Dedication.
*
* This demonstrates a minimal http client using secure streams C++ api to
* fetch files over https to the local filesystem
*/
#include <libwebsockets.hxx>
#include <string.h>
#include <signal.h>
static int interrupted, bad = 1, concurrent = 1, completed;
static int
lss_completion(lss *lss, lws_ss_constate_t state, void *arg)
{
lssFile *lf = (lssFile *)lss;
if (state == LWSSSCS_QOS_ACK_REMOTE) {
lwsl_notice("%s: %s: len %llu, done OK %dms\n", __func__,
lf->path.c_str(), (unsigned long long)lf->rxlen,
(int)((lws_now_usecs() - lf->us_start) / 1000));
} else
lwsl_notice("%s: %s: failed\n", __func__, lf->path.c_str());
if (++completed == concurrent) {
interrupted = 1;
bad = 0;
}
return 0;
}
static void
sigint_handler(int sig)
{
interrupted = 1;
}
int main(int argc, const char **argv)
{
struct lws_context_creation_info info;
struct lws_context *context;
const char *p;
signal(SIGINT, sigint_handler);
memset(&info, 0, sizeof info);
lws_cmdline_option_handle_builtin(argc, argv, &info);
if ((p = lws_cmdline_option(argc, argv, "-c")))
concurrent = atoi(p);
if (concurrent > 12)
concurrent = 12;
lwsl_user("LWS secure streams cpp test client "
"[-d<verb>] [-c<concurrent>]\n");
info.fd_limit_per_thread = 1 + 12 + 1;
info.port = CONTEXT_PORT_NO_LISTEN;
info.options = LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT;
/* create the context */
context = lws_create_context(&info);
if (!context) {
lwsl_err("lws init failed\n");
return 1;
}
try {
for (int n = 0; n < concurrent; n++) {
std::string url, filepath;
url = "https://warmcat.com/test-";
url += ('a' + n);
url += ".bin";
filepath = "/tmp/test-";
filepath += ('a' + n);
filepath += ".bin";
new lssFile(context, url, filepath, lss_completion, 0);
}
} catch (std::exception &e) {
lwsl_err("%s: failed to create ss: %s\n", __func__, e.what());
interrupted = 1;
}
/* the event loop */
while (!interrupted && lws_service(context, 0) >= 0)
;
lws_context_destroy(context);
lwsl_user("Completed: %s\n", bad ? "failed" : "OK");
return bad;
}