mirror of
https://github.com/warmcat/libwebsockets.git
synced 2025-03-16 00:00:07 +01:00
e4a3e8c4d4
This adds an lws cmake option that builds all the minimal examples as part of lws, it's useful for QA. It adds a macro to examples that depend on a particular lws configuration to understand they should just null out their project definition in builds where the lws configuration requirement is not met, and we are building as part of lws. It also adapts all the example library additions to select the just-built-but-not-yet-installed library in the case it is built as part of lws. If built standalone, it now uses the cmake platform-abstracted way to add the library requirement too.
110 lines
2.9 KiB
C
110 lines
2.9 KiB
C
/*
|
|
* lws-minimal-http-server-smp
|
|
*
|
|
* Copyright (C) 2018 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 multithreaded http server you can make with lws.
|
|
*
|
|
* To keep it simple, it serves stuff in the subdirectory "./mount-origin" of
|
|
* the directory it was started in.
|
|
* You can change that by changing mount.origin.
|
|
*
|
|
* Also for simplicity the number of threads is set in the code... note that
|
|
* the real number of threads possible is decided by the LWS_MAX_SMP that lws
|
|
* was configured with, by default that is 1. Lws will limit the number of
|
|
* requested threads to the number possible.
|
|
*/
|
|
|
|
#include <libwebsockets.h>
|
|
#include <string.h>
|
|
#include <signal.h>
|
|
#include <pthread.h>
|
|
|
|
#define COUNT_THREADS 8
|
|
|
|
static struct lws_context *context;
|
|
static int interrupted;
|
|
|
|
static const struct lws_http_mount mount = {
|
|
/* .mount_next */ NULL, /* linked-list "next" */
|
|
/* .mountpoint */ "/", /* mountpoint URL */
|
|
/* .origin */ "./mount-origin", /* serve from dir */
|
|
/* .def */ "index.html", /* default filename */
|
|
/* .protocol */ NULL,
|
|
/* .cgienv */ NULL,
|
|
/* .extra_mimetypes */ NULL,
|
|
/* .interpret */ NULL,
|
|
/* .cgi_timeout */ 0,
|
|
/* .cache_max_age */ 0,
|
|
/* .auth_mask */ 0,
|
|
/* .cache_reusable */ 0,
|
|
/* .cache_revalidate */ 0,
|
|
/* .cache_intermediaries */ 0,
|
|
/* .origin_protocol */ LWSMPRO_FILE, /* files in a dir */
|
|
/* .mountpoint_len */ 1, /* char count */
|
|
/* .basic_auth_login_file */ NULL,
|
|
};
|
|
|
|
void *thread_service(void *threadid)
|
|
{
|
|
while (lws_service_tsi(context, 10000,
|
|
(int)(lws_intptr_t)threadid) >= 0 &&
|
|
!interrupted)
|
|
;
|
|
|
|
pthread_exit(NULL);
|
|
}
|
|
|
|
void sigint_handler(int sig)
|
|
{
|
|
interrupted = 1;
|
|
lws_cancel_service(context);
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
pthread_t pthread_service[COUNT_THREADS];
|
|
struct lws_context_creation_info info;
|
|
void *retval;
|
|
int n = 0;
|
|
|
|
signal(SIGINT, sigint_handler);
|
|
|
|
memset(&info, 0, sizeof info); /* otherwise uninitialized garbage */
|
|
info.port = 7681;
|
|
info.mounts = &mount;
|
|
// info.max_http_header_pool = 10;
|
|
info.count_threads = COUNT_THREADS;
|
|
|
|
lws_set_log_level(LLL_ERR | LLL_WARN | LLL_NOTICE | LLL_USER
|
|
/* | LLL_INFO */ /* | LLL_DEBUG */, NULL);
|
|
|
|
lwsl_user("LWS minimal http server SMP | visit http://127.0.0.1:7681\n");
|
|
|
|
context = lws_create_context(&info);
|
|
if (!context) {
|
|
lwsl_err("lws init failed\n");
|
|
return 1;
|
|
}
|
|
|
|
lwsl_notice(" Service threads: %d\n", lws_get_count_threads(context));
|
|
|
|
/* start all the service threads */
|
|
|
|
for (n = 0; n < lws_get_count_threads(context); n++)
|
|
if (pthread_create(&pthread_service[n], NULL, thread_service,
|
|
(void *)(lws_intptr_t)n))
|
|
lwsl_err("Failed to start service thread\n");
|
|
|
|
/* wait for all the service threads to exit */
|
|
|
|
while ((--n) >= 0)
|
|
pthread_join(pthread_service[n], &retval);
|
|
|
|
lws_context_destroy(context);
|
|
|
|
return 0;
|
|
}
|