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/*
This file is part of libmicrohttpd
Copyright (C) 2007, 2009, 2011 Christian Grothoff
Copyright (C) 2014-2021 Evgeny Grin (Karlson2k)
libmicrohttpd is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
by the Free Software Foundation; either version 2, or (at your
option) any later version.
libmicrohttpd 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
General Public License for more details.
You should have received a copy of the GNU General Public License
along with libmicrohttpd; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
/**
* @file test_get_wait.c
* @brief Test 'MHD_run_wait()' function.
* @author Christian Grothoff
* @author Karlson2k (Evgeny Grin)
*/
#include "MHD_config.h"
#include "platform.h"
#include <curl/curl.h>
#include <microhttpd.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <pthread.h>
#include "mhd_has_in_name.h"
#if defined(MHD_CPU_COUNT) && (MHD_CPU_COUNT + 0) < 2
#undef MHD_CPU_COUNT
#endif
#if ! defined(MHD_CPU_COUNT)
#define MHD_CPU_COUNT 2
#endif
/**
* How many rounds of operations do we do for each
* test.
* Check all three types of requests for HTTP/1.1:
* * first request, new connection;
* * "middle" request, existing connection with stay-alive;
* * final request, no data processed after.
*/
#define ROUNDS 3
/**
* Do we use HTTP 1.1?
*/
static int oneone;
/**
* Response to return (re-used).
*/
static struct MHD_Response *response;
/**
* Set to 1 if the worker threads are done.
*/
static volatile int signal_done;
static size_t
copyBuffer (void *ptr,
size_t size, size_t nmemb,
void *ctx)
{
(void) ptr; (void) ctx; /* Unused. Silent compiler warning. */
return size * nmemb;
}
static enum MHD_Result
ahc_echo (void *cls,
struct MHD_Connection *connection,
const char *url,
const char *method,
const char *version,
const char *upload_data, size_t *upload_data_size,
void **req_cls)
{
static int ptr;
enum MHD_Result ret;
(void) cls;
(void) url; (void) version; /* Unused. Silent compiler warning. */
(void) upload_data; (void) upload_data_size; /* Unused. Silent compiler warning. */
if (0 != strcmp (MHD_HTTP_METHOD_GET, method))
return MHD_NO; /* unexpected method */
if (&ptr != *req_cls)
{
*req_cls = &ptr;
return MHD_YES;
}
*req_cls = NULL;
ret = MHD_queue_response (connection, MHD_HTTP_OK, response);
if (ret == MHD_NO)
abort ();
return ret;
}
static void *
thread_gets (void *param)
{
CURL *c;
CURLcode errornum;
unsigned int i;
char url[64];
int port = (int) (intptr_t) param;
snprintf (url,
sizeof (url),
"http://127.0.0.1:%d/hello_world",
port);
c = curl_easy_init ();
if (NULL == c)
_exit (99);
curl_easy_setopt (c, CURLOPT_URL, url);
curl_easy_setopt (c, CURLOPT_WRITEFUNCTION, ©Buffer);
curl_easy_setopt (c, CURLOPT_WRITEDATA, NULL);
curl_easy_setopt (c, CURLOPT_FAILONERROR, 1L);
curl_easy_setopt (c, CURLOPT_TIMEOUT, 15L);
if (oneone)
curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
else
curl_easy_setopt (c, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0);
curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT, 15L);
curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1L);
for (i = 0; i < ROUNDS; i++)
{
if (CURLE_OK != (errornum = curl_easy_perform (c)))
{
signal_done = 1;
fprintf (stderr,
"curl_easy_perform failed: `%s'\n",
curl_easy_strerror (errornum));
curl_easy_cleanup (c);
abort ();
}
}
curl_easy_cleanup (c);
signal_done = 1;
return NULL;
}
static int
testRunWaitGet (int port, int poll_flag)
{
pthread_t get_tid;
struct MHD_Daemon *d;
const char *const test_desc = ((poll_flag & MHD_USE_AUTO) ?
"MHD_USE_AUTO" :
(poll_flag & MHD_USE_POLL) ?
"MHD_USE_POLL" :
(poll_flag & MHD_USE_EPOLL) ?
"MHD_USE_EPOLL" :
"select()");
if (MHD_NO != MHD_is_feature_supported (MHD_FEATURE_AUTODETECT_BIND_PORT))
port = 0;
printf ("Starting MHD_run_wait() test with MHD in %s polling mode.\n",
test_desc);
signal_done = 0;
d = MHD_start_daemon (MHD_USE_ERROR_LOG | poll_flag,
port, NULL, NULL, &ahc_echo, NULL, MHD_OPTION_END);
if (d == NULL)
abort ();
if (0 == port)
{
const union MHD_DaemonInfo *dinfo;
dinfo = MHD_get_daemon_info (d, MHD_DAEMON_INFO_BIND_PORT);
if ((NULL == dinfo) || (0 == dinfo->port) )
abort ();
port = (int) dinfo->port;
}
if (0 != pthread_create (&get_tid, NULL,
&thread_gets, (void *) (intptr_t) port))
_exit (99);
/* As another thread sets "done" flag after ending of network
* activity, it's required to set positive timeout value for MHD_run_wait().
* Alternatively, to use timeout value "-1" here, another thread should start
* additional connection to wake MHD after setting "done" flag. */
do
{
if (MHD_NO == MHD_run_wait (d, 50))
abort ();
} while (0 == signal_done);
if (0 != pthread_join (get_tid, NULL))
_exit (99);
MHD_stop_daemon (d);
printf ("Test succeeded.\n");
return 0;
}
int
main (int argc, char *const *argv)
{
int port = 1675;
(void) argc; /* Unused. Silent compiler warning. */
if ((NULL == argv) || (0 == argv[0]))
return 99;
oneone = has_in_name (argv[0], "11");
if (oneone)
port += 5;
if (0 != curl_global_init (CURL_GLOBAL_WIN32))
return 2;
response = MHD_create_response_from_buffer_static (strlen ("/hello_world"),
"/hello_world");
testRunWaitGet (port++, 0);
if (MHD_YES == MHD_is_feature_supported (MHD_FEATURE_EPOLL))
testRunWaitGet (port++, MHD_USE_EPOLL);
testRunWaitGet (port++, MHD_USE_AUTO);
MHD_destroy_response (response);
curl_global_cleanup ();
return 0; /* Errors produce abort() or _exit() */
}
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