Google Git
Sign in
nest-open-source / manifest_repos / libmicrohttpd / 18761039558e20879564e2ac691e1a64c12d1e56 / . / src / testcurl / test_get_close_keep_alive.c
blob: 81f7576ca5e941fd1a9f3a48e84a4e108855028a [file] [log] [blame]
/*
This file is part of libmicrohttpd
Copyright (C) 2014-2022 Evgeny Grin (Karlson2k)
Copyright (C) 2007, 2009, 2011 Christian Grothoff
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_close_keep_alive.c
* @brief Testcase for libmicrohttpd "Close" and "Keep-Alive" connection.
* @details Testcases for testing of MHD automatic choice between "Close" and
* "Keep-Alive" connections. Also tested selected HTTP version and
* "Connection:" headers.
* @author Karlson2k (Evgeny Grin)
* @author Christian Grothoff
*/
#include "MHD_config.h"
#include "platform.h"
#include <curl/curl.h>
#include <microhttpd.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include "mhd_has_in_name.h"
#include "mhd_has_param.h"
#include "mhd_sockets.h" /* only macros used */
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif /* HAVE_STRINGS_H */
#ifdef _WIN32
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN 1
#endif /* !WIN32_LEAN_AND_MEAN */
#include <windows.h>
#endif
#ifndef WINDOWS
#include <unistd.h>
#include <sys/socket.h>
#endif
#ifdef HAVE_LIMITS_H
#include <limits.h>
#endif /* HAVE_LIMITS_H */
#ifndef CURL_VERSION_BITS
#define CURL_VERSION_BITS(x,y,z) ((x)<<16|(y)<<8|(z))
#endif /* ! CURL_VERSION_BITS */
#ifndef CURL_AT_LEAST_VERSION
#define CURL_AT_LEAST_VERSION(x,y,z) \
(LIBCURL_VERSION_NUM >= CURL_VERSION_BITS(x, y, z))
#endif /* ! CURL_AT_LEAST_VERSION */
#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
#if MHD_CPU_COUNT > 32
#undef MHD_CPU_COUNT
/* Limit to reasonable value */
#define MHD_CPU_COUNT 32
#endif /* MHD_CPU_COUNT > 32 */
#if defined(HAVE___FUNC__)
#define externalErrorExit(ignore) \
_externalErrorExit_func(NULL, __func__, __LINE__)
#define externalErrorExitDesc(errDesc) \
_externalErrorExit_func(errDesc, __func__, __LINE__)
#define libcurlErrorExit(ignore) \
_libcurlErrorExit_func(NULL, __func__, __LINE__)
#define libcurlErrorExitDesc(errDesc) \
_libcurlErrorExit_func(errDesc, __func__, __LINE__)
#elif defined(HAVE___FUNCTION__)
#define externalErrorExit(ignore) \
_externalErrorExit_func(NULL, __FUNCTION__, __LINE__)
#define externalErrorExitDesc(errDesc) \
_externalErrorExit_func(errDesc, __FUNCTION__, __LINE__)
#define libcurlErrorExit(ignore) \
_libcurlErrorExit_func(NULL, __FUNCTION__, __LINE__)
#define libcurlErrorExitDesc(errDesc) \
_libcurlErrorExit_func(errDesc, __FUNCTION__, __LINE__)
#else
#define externalErrorExit(ignore) _externalErrorExit_func(NULL, NULL, __LINE__)
#define externalErrorExitDesc(errDesc) \
_externalErrorExit_func(errDesc, NULL, __LINE__)
#define libcurlErrorExit(ignore) _externalErrorExit_func(NULL, NULL, __LINE__)
#define libcurlErrorExitDesc(errDesc) \
_externalErrorExit_func(errDesc, NULL, __LINE__)
#endif
static void
_externalErrorExit_func (const char *errDesc, const char *funcName, int lineNum)
{
if ((NULL != errDesc) && (0 != errDesc[0]))
fprintf (stderr, "%s", errDesc);
else
fprintf (stderr, "System or external library call failed");
if ((NULL != funcName) && (0 != funcName[0]))
fprintf (stderr, " in %s", funcName);
if (0 < lineNum)
fprintf (stderr, " at line %d", lineNum);
fprintf (stderr, ".\nLast errno value: %d (%s)\n", (int) errno,
strerror (errno));
#ifdef MHD_WINSOCK_SOCKETS
fprintf (stderr, "WSAGetLastError() value: %d\n", (int) WSAGetLastError ());
#endif /* MHD_WINSOCK_SOCKETS */
fflush (stderr);
exit (99);
}
static char libcurl_errbuf[CURL_ERROR_SIZE] = "";
static void
_libcurlErrorExit_func (const char *errDesc, const char *funcName, int lineNum)
{
if ((NULL != errDesc) && (0 != errDesc[0]))
fprintf (stderr, "%s", errDesc);
else
fprintf (stderr, "CURL library call failed");
if ((NULL != funcName) && (0 != funcName[0]))
fprintf (stderr, " in %s", funcName);
if (0 < lineNum)
fprintf (stderr, " at line %d", lineNum);
fprintf (stderr, ".\nLast errno value: %d (%s)\n", (int) errno,
strerror (errno));
if (0 != libcurl_errbuf[0])
fprintf (stderr, "Last libcurl error details: %s\n", libcurl_errbuf);
fflush (stderr);
exit (99);
}
/* Could be increased to facilitate debugging */
#define TIMEOUTS_VAL 5
#define EXPECTED_URI_BASE_PATH "/hello_world"
#define EXPECTED_URI_QUERY "a=%26&b=c"
#define EXPECTED_URI_FULL_PATH EXPECTED_URI_BASE_PATH "?" EXPECTED_URI_QUERY
#define HDR_CONN_CLOSE_VALUE "close"
#define HDR_CONN_CLOSE MHD_HTTP_HEADER_CONNECTION ": " \
HDR_CONN_CLOSE_VALUE
#define HDR_CONN_KEEP_ALIVE_VALUE "Keep-Alive"
#define HDR_CONN_KEEP_ALIVE MHD_HTTP_HEADER_CONNECTION ": " \
HDR_CONN_KEEP_ALIVE_VALUE
/* Global parameters */
static int oneone; /**< Use HTTP/1.1 instead of HTTP/1.0 for requests*/
static int conn_close; /**< Don't use Keep-Alive */
static uint16_t global_port; /**< MHD daemons listen port number */
static int slow_reply = 0; /**< Slowdown MHD replies */
static int ignore_response_errors = 0; /**< Do not fail test if CURL
returns error */
static int response_timeout_val = TIMEOUTS_VAL;
/* Current test parameters */
/* Poor thread sync, but enough for the testing */
static volatile int mhd_add_close; /**< Add "Connection: close" header by MHD */
static volatile int mhd_set_10_cmptbl; /**< Set MHD_RF_HTTP_1_0_COMPATIBLE_STRICT response flag */
static volatile int mhd_set_10_server; /**< Set MHD_RF_HTTP_1_0_SERVER response flag */
static volatile int mhd_set_k_a_send; /**< Set MHD_RF_SEND_KEEP_ALIVE_HEADER response flag */
/* Static helper variables */
static struct curl_slist *curl_close_hdr; /**< CURL "Connection: close" header */
static struct curl_slist *curl_k_alive_hdr; /**< CURL "Connection: keep-alive" header */
static struct curl_slist *curl_both_hdrs; /**< CURL both "Connection: keep-alive" and "close" headers */
static void
test_global_init (void)
{
libcurl_errbuf[0] = 0;
if (0 != curl_global_init (CURL_GLOBAL_WIN32))
externalErrorExit ();
curl_close_hdr = NULL;
curl_close_hdr = curl_slist_append (curl_close_hdr,
HDR_CONN_CLOSE);
if (NULL == curl_close_hdr)
externalErrorExit ();
curl_k_alive_hdr = NULL;
curl_k_alive_hdr = curl_slist_append (curl_k_alive_hdr,
HDR_CONN_KEEP_ALIVE);
if (NULL == curl_k_alive_hdr)
externalErrorExit ();
curl_both_hdrs = NULL;
curl_both_hdrs = curl_slist_append (curl_both_hdrs,
HDR_CONN_KEEP_ALIVE);
if (NULL == curl_both_hdrs)
externalErrorExit ();
curl_both_hdrs = curl_slist_append (curl_both_hdrs,
HDR_CONN_CLOSE);
if (NULL == curl_both_hdrs)
externalErrorExit ();
}
static void
test_global_cleanup (void)
{
curl_slist_free_all (curl_both_hdrs);
curl_slist_free_all (curl_k_alive_hdr);
curl_slist_free_all (curl_close_hdr);
curl_global_cleanup ();
}
struct headers_check_result
{
int found_http11;
int found_http10;
int found_conn_close;
int found_conn_keep_alive;
};
static size_t
lcurl_hdr_callback (char *buffer, size_t size, size_t nitems,
void *userdata)
{
const size_t data_size = size * nitems;
struct headers_check_result *check_res =
(struct headers_check_result *) userdata;
if ((strlen (MHD_HTTP_VERSION_1_1) < data_size) &&
(0 == memcmp (MHD_HTTP_VERSION_1_1, buffer,
strlen (MHD_HTTP_VERSION_1_1))))
check_res->found_http11 = 1;
else if ((strlen (MHD_HTTP_VERSION_1_0) < data_size) &&
(0 == memcmp (MHD_HTTP_VERSION_1_0, buffer,
strlen (MHD_HTTP_VERSION_1_0))))
check_res->found_http10 = 1;
else if ((data_size == strlen (HDR_CONN_CLOSE) + 2) &&
(0 == memcmp (buffer, HDR_CONN_CLOSE "\r\n", data_size)))
check_res->found_conn_close = 1;
else if ((data_size == strlen (HDR_CONN_KEEP_ALIVE) + 2) &&
(0 == memcmp (buffer, HDR_CONN_KEEP_ALIVE "\r\n", data_size)))
check_res->found_conn_keep_alive = 1;
return data_size;
}
struct CBC
{
char *buf;
size_t pos;
size_t size;
};
static size_t
copyBuffer (void *ptr, size_t size, size_t nmemb, void *ctx)
{
struct CBC *cbc = ctx;
if (cbc->pos + size * nmemb > cbc->size)
externalErrorExit (); /* overflow */
memcpy (&cbc->buf[cbc->pos], ptr, size * nmemb);
cbc->pos += size * nmemb;
return size * nmemb;
}
static void *
log_cb (void *cls,
const char *uri,
struct MHD_Connection *con)
{
(void) cls;
(void) con;
if (0 != strcmp (uri,
EXPECTED_URI_FULL_PATH))
{
fprintf (stderr,
"Wrong URI: `%s', line: %d\n",
uri, __LINE__);
exit (22);
}
return NULL;
}
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;
struct MHD_Response *response;
enum MHD_Result ret;
(void) cls;
(void) version;
(void) upload_data;
(void) upload_data_size; /* Unused. Silence 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;
if (slow_reply)
usleep (200000);
response = MHD_create_response_from_buffer_copy (strlen (url),
(const void *) url);
if (NULL == response)
{
fprintf (stderr, "Failed to create response. Line: %d\n", __LINE__);
exit (19);
}
if (mhd_add_close)
{
if (MHD_YES != MHD_add_response_header (response,
MHD_HTTP_HEADER_CONNECTION,
HDR_CONN_CLOSE_VALUE))
{
fprintf (stderr, "Failed to add header. Line: %d\n", __LINE__);
exit (19);
}
}
if (MHD_YES != MHD_set_response_options (response,
(mhd_set_10_cmptbl ?
MHD_RF_HTTP_1_0_COMPATIBLE_STRICT
: 0)
| (mhd_set_10_server ?
MHD_RF_HTTP_1_0_SERVER
: 0)
| (mhd_set_k_a_send ?
MHD_RF_SEND_KEEP_ALIVE_HEADER
: 0), MHD_RO_END))
{
fprintf (stderr, "Failed to set response flags. Line: %d\n", __LINE__);
exit (19);
}
ret = MHD_queue_response (connection,
MHD_HTTP_OK,
response);
MHD_destroy_response (response);
if (MHD_YES != ret)
{
fprintf (stderr, "Failed to queue response. Line: %d\n", __LINE__);
exit (19);
}
return ret;
}
struct curlQueryParams
{
/* Destination path for CURL query */
const char *queryPath;
/* Destination port for CURL query */
uint16_t queryPort;
/* CURL query result error flag */
volatile unsigned int queryError;
};
static CURL *
curlEasyInitForTest (const char *queryPath, uint16_t port, struct CBC *pcbc,
struct headers_check_result *hdr_chk_result,
int add_hdr_close, int add_hdr_k_alive)
{
CURL *c;
c = curl_easy_init ();
if (NULL == c)
{
fprintf (stderr, "curl_easy_init() failed.\n");
externalErrorExit ();
}
if ((CURLE_OK != curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1L)) ||
(CURLE_OK != curl_easy_setopt (c, CURLOPT_URL, queryPath)) ||
(CURLE_OK != curl_easy_setopt (c, CURLOPT_PORT, (long) port)) ||
(CURLE_OK != curl_easy_setopt (c, CURLOPT_WRITEFUNCTION,
&copyBuffer)) ||
(CURLE_OK != curl_easy_setopt (c, CURLOPT_WRITEDATA, pcbc)) ||
(CURLE_OK != curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT,
(long) response_timeout_val)) ||
(CURLE_OK != curl_easy_setopt (c, CURLOPT_TIMEOUT,
(long) response_timeout_val)) ||
(CURLE_OK != curl_easy_setopt (c, CURLOPT_ERRORBUFFER,
libcurl_errbuf)) ||
(CURLE_OK != curl_easy_setopt (c, CURLOPT_HEADERFUNCTION,
lcurl_hdr_callback)) ||
(CURLE_OK != curl_easy_setopt (c, CURLOPT_HEADERDATA,
hdr_chk_result)) ||
(CURLE_OK != curl_easy_setopt (c, CURLOPT_FAILONERROR, 1L)) ||
(CURLE_OK != curl_easy_setopt (c, CURLOPT_HTTP_VERSION,
(oneone) ?
CURL_HTTP_VERSION_1_1 :
CURL_HTTP_VERSION_1_0)))
{
fprintf (stderr, "curl_easy_setopt() failed.\n");
externalErrorExit ();
}
if (add_hdr_close && add_hdr_k_alive)
{ /* This combination is actually incorrect */
if (CURLE_OK != curl_easy_setopt (c, CURLOPT_HTTPHEADER, curl_both_hdrs))
{
fprintf (stderr, "Set libcurl HTTP header failed.\n");
externalErrorExit ();
}
}
else if (add_hdr_close)
{
if (CURLE_OK != curl_easy_setopt (c, CURLOPT_HTTPHEADER, curl_close_hdr))
{
fprintf (stderr, "Set libcurl HTTP header failed.\n");
externalErrorExit ();
}
}
else if (add_hdr_k_alive)
{
if (CURLE_OK != curl_easy_setopt (c, CURLOPT_HTTPHEADER, curl_k_alive_hdr))
{
fprintf (stderr, "Set libcurl HTTP header failed.\n");
externalErrorExit ();
}
}
return c;
}
static void
print_test_params (int add_hdr_close,
int add_hdr_k_alive)
{
fprintf (stderr, "Request HTTP/%s| ", oneone ? "1.1" : "1.0");
fprintf (stderr, "Connection must be: %s| ",
conn_close ? "close" : "keep-alive");
fprintf (stderr, "Request \"close\": %s| ",
add_hdr_close ? " used" : "NOT used");
fprintf (stderr, "Request \"keep-alive\": %s| ",
add_hdr_k_alive ? " used" : "NOT used");
fprintf (stderr, "MHD response \"close\": %s| ",
mhd_add_close ? " used" : "NOT used");
fprintf (stderr, "MHD response 1.0 strict compatible: %s| ",
mhd_set_10_cmptbl ? "yes" : " NO");
fprintf (stderr, "MHD response 1.0 server: %s| ",
mhd_set_10_server ? "yes" : " NO");
fprintf (stderr, "MHD response send \"Keep-Alive\": %s|",
mhd_set_k_a_send ? "yes" : " NO");
fprintf (stderr, "\n*** ");
}
static CURLcode
performQueryExternal (struct MHD_Daemon *d, CURL *c)
{
CURLM *multi;
time_t start;
struct timeval tv;
CURLcode ret;
ret = CURLE_FAILED_INIT; /* will be replaced with real result */
multi = NULL;
multi = curl_multi_init ();
if (multi == NULL)
{
fprintf (stderr, "curl_multi_init() failed.\n");
externalErrorExit ();
}
if (CURLM_OK != curl_multi_add_handle (multi, c))
{
fprintf (stderr, "curl_multi_add_handle() failed.\n");
externalErrorExit ();
}
start = time (NULL);
while (time (NULL) - start <= TIMEOUTS_VAL)
{
fd_set rs;
fd_set ws;
fd_set es;
MHD_socket maxMhdSk;
int maxCurlSk;
int running;
maxMhdSk = MHD_INVALID_SOCKET;
maxCurlSk = -1;
FD_ZERO (&rs);
FD_ZERO (&ws);
FD_ZERO (&es);
if (NULL != multi)
{
curl_multi_perform (multi, &running);
if (0 == running)
{
struct CURLMsg *msg;
int msgLeft;
int totalMsgs = 0;
do
{
msg = curl_multi_info_read (multi, &msgLeft);
if (NULL == msg)
{
fprintf (stderr, "curl_multi_info_read failed, NULL returned.\n");
externalErrorExit ();
}
totalMsgs++;
if (CURLMSG_DONE == msg->msg)
ret = msg->data.result;
} while (msgLeft > 0);
if (1 != totalMsgs)
{
fprintf (stderr,
"curl_multi_info_read returned wrong "
"number of results (%d).\n",
totalMsgs);
externalErrorExit ();
}
curl_multi_remove_handle (multi, c);
curl_multi_cleanup (multi);
multi = NULL;
}
else
{
if (CURLM_OK != curl_multi_fdset (multi, &rs, &ws, &es, &maxCurlSk))
{
fprintf (stderr, "curl_multi_fdset() failed.\n");
externalErrorExit ();
}
}
}
if (NULL == multi)
{ /* libcurl has finished, check whether MHD still needs to perform cleanup */
if (0 != MHD_get_timeout64s (d))
break; /* MHD finished as well */
}
if (MHD_YES != MHD_get_fdset (d, &rs, &ws, &es, &maxMhdSk))
{
fprintf (stderr, "MHD_get_fdset() failed. Line: %d\n", __LINE__);
exit (11);
break;
}
tv.tv_sec = 0;
tv.tv_usec = 1000;
#ifdef MHD_POSIX_SOCKETS
if (maxMhdSk > maxCurlSk)
maxCurlSk = maxMhdSk;
#endif /* MHD_POSIX_SOCKETS */
if (-1 == select (maxCurlSk + 1, &rs, &ws, &es, &tv))
{
#ifdef MHD_POSIX_SOCKETS
if (EINTR != errno)
{
fprintf (stderr, "Unexpected select() error: %d. Line: %d\n",
(int) errno, __LINE__);
fflush (stderr);
exit (99);
}
#else
if ((WSAEINVAL != WSAGetLastError ()) ||
(0 != rs.fd_count) || (0 != ws.fd_count) || (0 != es.fd_count) )
{
fprintf (stderr, "Unexpected select() error: %d. Line: %d\n",
(int) WSAGetLastError (), __LINE__);
fflush (stderr);
exit (99);
}
Sleep (1);
#endif
}
if (MHD_YES != MHD_run_from_select (d, &rs, &ws, &es))
{
fprintf (stderr, "MHD_run_from_select() failed. Line: %d\n", __LINE__);
exit (11);
}
}
return ret;
}
static unsigned int
getMhdActiveConnections (struct MHD_Daemon *d)
{
const union MHD_DaemonInfo *dinfo;
/* The next method is unreliable unless it's known that no
* connections are started or finished in parallel */
dinfo = MHD_get_daemon_info (d, MHD_DAEMON_INFO_CURRENT_CONNECTIONS);
if (NULL == dinfo)
{
fprintf (stderr, "MHD_get_daemon_info() failed.\n");
abort ();
}
return dinfo->num_connections;
}
static unsigned int
doCurlQueryInThread (struct MHD_Daemon *d,
struct curlQueryParams *p,
int add_hdr_close,
int add_hdr_k_alive)
{
const union MHD_DaemonInfo *dinfo;
CURL *c;
char buf[2048];
struct CBC cbc;
struct headers_check_result hdr_res;
CURLcode errornum;
int use_external_poll;
dinfo = MHD_get_daemon_info (d, MHD_DAEMON_INFO_FLAGS);
if (NULL == dinfo)
{
fprintf (stderr, "MHD_get_daemon_info() failed.\n");
abort ();
}
use_external_poll = (0 == (dinfo->flags
& MHD_USE_INTERNAL_POLLING_THREAD));
if (NULL == p->queryPath)
abort ();
if (0 == p->queryPort)
abort ();
cbc.buf = buf;
cbc.size = sizeof(buf);
cbc.pos = 0;
hdr_res.found_http11 = 0;
hdr_res.found_http10 = 0;
hdr_res.found_conn_close = 0;
hdr_res.found_conn_keep_alive = 0;
c = curlEasyInitForTest (p->queryPath, p->queryPort, &cbc, &hdr_res,
add_hdr_close, add_hdr_k_alive);
if (! use_external_poll)
errornum = curl_easy_perform (c);
else
errornum = performQueryExternal (d, c);
if (ignore_response_errors)
{
p->queryError = 0;
curl_easy_cleanup (c);
return p->queryError;
}
if (CURLE_OK != errornum)
{
p->queryError = 1;
fprintf (stderr,
"libcurl query failed: `%s'\n",
curl_easy_strerror (errornum));
libcurlErrorExit ();
}
else
{
if (cbc.pos != strlen (EXPECTED_URI_BASE_PATH))
{
fprintf (stderr, "curl reports wrong size of MHD reply body data.\n");
p->queryError = 1;
}
else if (0 != strncmp (EXPECTED_URI_BASE_PATH, cbc.buf,
strlen (EXPECTED_URI_BASE_PATH)))
{
fprintf (stderr, "curl reports wrong MHD reply body data.\n");
p->queryError = 1;
}
else
p->queryError = 0;
}
if (! hdr_res.found_http11 && ! hdr_res.found_http10)
{
print_test_params (add_hdr_close, add_hdr_k_alive);
fprintf (stderr, "No know HTTP versions were found in the "
"reply header. Line: %d\n", __LINE__);
exit (24);
}
else if (hdr_res.found_http11 && hdr_res.found_http10)
{
print_test_params (add_hdr_close, add_hdr_k_alive);
fprintf (stderr, "Both HTTP/1.1 and HTTP/1.0 were found in the "
"reply header. Line: %d\n", __LINE__);
exit (24);
}
if (conn_close)
{
if (! hdr_res.found_conn_close)
{
print_test_params (add_hdr_close, add_hdr_k_alive);
fprintf (stderr, "\"Connection: close\" was not found in"
" MHD reply headers.\n");
p->queryError |= 2;
}
if (hdr_res.found_conn_keep_alive)
{
print_test_params (add_hdr_close, add_hdr_k_alive);
fprintf (stderr, "\"Connection: keep-alive\" was found in"
" MHD reply headers.\n");
p->queryError |= 2;
}
if (use_external_poll)
{ /* The number of MHD connection can queried only with external poll.
* otherwise it creates a race condition. */
if (0 != getMhdActiveConnections (d))
{
print_test_params (add_hdr_close, add_hdr_k_alive);
fprintf (stderr, "MHD still has active connection "
"after response has been sent.\n");
p->queryError |= 2;
}
}
}
else
{ /* Keep-Alive */
if (! oneone || mhd_set_10_server || mhd_set_k_a_send)
{ /* Should have "Connection: Keep-Alive" */
if (! hdr_res.found_conn_keep_alive)
{
print_test_params (add_hdr_close, add_hdr_k_alive);
fprintf (stderr, "\"Connection: keep-alive\" was not found in"
" MHD reply headers.\n");
p->queryError |= 2;
}
}
else
{ /* Should NOT have "Connection: Keep-Alive" */
if (hdr_res.found_conn_keep_alive)
{
print_test_params (add_hdr_close, add_hdr_k_alive);
fprintf (stderr, "\"Connection: keep-alive\" was found in"
" MHD reply headers.\n");
p->queryError |= 2;
}
}
if (hdr_res.found_conn_close)
{
print_test_params (add_hdr_close, add_hdr_k_alive);
fprintf (stderr, "\"Connection: close\" was found in"
" MHD reply headers.\n");
p->queryError |= 2;
}
if (use_external_poll)
{ /* The number of MHD connection can be queried only with external poll.
* otherwise it creates a race condition. */
unsigned int num_conn = getMhdActiveConnections (d);
if (0 == num_conn)
{
print_test_params (add_hdr_close, add_hdr_k_alive);
fprintf (stderr, "MHD has no active connection "
"after response has been sent.\n");
p->queryError |= 2;
}
else if (1 != num_conn)
{
print_test_params (add_hdr_close, add_hdr_k_alive);
fprintf (stderr, "MHD has wrong number of active connection (%u) "
"after response has been sent. Line: %d\n", num_conn,
__LINE__);
exit (23);
}
}
}
#if defined(CURL_AT_LEAST_VERSION) && CURL_AT_LEAST_VERSION (7, 45, 0)
if (! use_external_poll)
{
/* libcurl closes connection socket with curl_multi_remove_handle () /
curl_multi_cleanup() */
curl_socket_t curl_sckt;
if (CURLE_OK != curl_easy_getinfo (c, CURLINFO_ACTIVESOCKET, &curl_sckt))
{
fprintf (stderr,
"Failed to get libcurl active socket.\n");
libcurlErrorExit ();
}
if (conn_close && (CURL_SOCKET_BAD != curl_sckt))
{
print_test_params (add_hdr_close, add_hdr_k_alive);
fprintf (stderr, "libcurl still has active connection "
"after performing the test query.\n");
p->queryError |= 2;
}
else if (! conn_close && (CURL_SOCKET_BAD == curl_sckt))
{
print_test_params (add_hdr_close, add_hdr_k_alive);
fprintf (stderr, "libcurl has no active connection "
"after performing the test query.\n");
p->queryError |= 2;
}
}
#endif
if (! mhd_set_10_server)
{ /* Response must be HTTP/1.1 */
if (hdr_res.found_http10)
{
print_test_params (add_hdr_close, add_hdr_k_alive);
fprintf (stderr, "Reply has HTTP/1.0 version, while it "
"must be HTTP/1.1.\n");
p->queryError |= 4;
}
}
else
{ /* Response must be HTTP/1.0 */
if (hdr_res.found_http11)
{
print_test_params (add_hdr_close, add_hdr_k_alive);
fprintf (stderr, "Reply has HTTP/1.1 version, while it "
"must be HTTP/1.0.\n");
p->queryError |= 4;
}
}
curl_easy_cleanup (c);
return p->queryError;
}
/* Perform test queries and shut down MHD daemon */
static unsigned int
performTestQueries (struct MHD_Daemon *d, uint16_t d_port)
{
struct curlQueryParams qParam;
unsigned int ret = 0; /* Return value */
int i = 0;
/* masks */
const int m_mhd_close = 1 << (i++);
const int m_10_cmptbl = 1 << (i++);
const int m_10_server = 1 << (i++);
const int m_k_a_send = 1 << (i++);
const int m_client_close = 1 << (i++);
const int m_client_k_alive = 1 << (i++);
qParam.queryPath = "http://127.0.0.1" EXPECTED_URI_FULL_PATH;
qParam.queryPort = d_port; /* Connect to the daemon */
for (i = (1 << i) - 1; 0 <= i; i--)
{
const int f_mhd_close = (0 == (i & m_mhd_close)); /**< Use MHD "close" header */
const int f_10_cmptbl = (0 == (i & m_10_cmptbl)); /**< Use MHD MHD_RF_HTTP_1_0_COMPATIBLE_STRICT flag */
const int f_10_server = (0 == (i & m_10_server)); /**< Use MHD MHD_RF_HTTP_1_0_SERVER flag */
const int f_k_a_send = (0 == (i & m_k_a_send)); /**< Use MHD MHD_RF_SEND_KEEP_ALIVE_HEADER flag */
const int f_client_close = (0 == (i & m_client_close)); /**< Use libcurl "close" header */
const int f_client_k_alive = (0 == (i & m_client_k_alive)); /**< Use libcurl "Keep-Alive" header */
int res_close; /**< Indicate the result of the test query should be closed connection */
if (f_mhd_close) /* Connection with server's "close" header must be always closed */
res_close = 1;
else if (f_client_close) /* Connection with client's "close" header must be always closed */
res_close = 1;
else if (f_10_cmptbl) /* Connection in strict HTTP/1.0 compatible mode must be always closed */
res_close = 1;
else if (! oneone || f_10_server)
/* With HTTP/1.0 client or server connection must be close unless client use "keep-alive" header */
res_close = ! f_client_k_alive;
else
res_close = 0; /* HTTP/1.1 is "keep-alive" by default */
if ((! ! res_close) != (! ! conn_close))
continue; /* Another mode is in test currently */
mhd_add_close = f_mhd_close;
mhd_set_10_cmptbl = f_10_cmptbl;
mhd_set_10_server = f_10_server;
mhd_set_k_a_send = f_k_a_send;
ret <<= 3; /* Remember errors for each step */
ret |= doCurlQueryInThread (d, &qParam, f_client_close, f_client_k_alive);
}
MHD_stop_daemon (d);
return ret;
}
enum testMhdThreadsType
{
testMhdThreadExternal = 0,
testMhdThreadInternal = MHD_USE_INTERNAL_POLLING_THREAD,
testMhdThreadInternalPerConnection = MHD_USE_THREAD_PER_CONNECTION
| MHD_USE_INTERNAL_POLLING_THREAD,
testMhdThreadInternalPool
};
enum testMhdPollType
{
testMhdPollBySelect = 0,
testMhdPollByPoll = MHD_USE_POLL,
testMhdPollByEpoll = MHD_USE_EPOLL,
testMhdPollAuto = MHD_USE_AUTO
};
/* Get number of threads for thread pool depending
* on used poll function and test type. */
static unsigned int
testNumThreadsForPool (enum testMhdPollType pollType)
{
unsigned int numThreads = MHD_CPU_COUNT;
(void) pollType; /* Don't care about pollType for this test */
return numThreads; /* No practical limit for non-cleanup test */
}
static struct MHD_Daemon *
startTestMhdDaemon (enum testMhdThreadsType thrType,
enum testMhdPollType pollType, uint16_t *pport)
{
struct MHD_Daemon *d;
const union MHD_DaemonInfo *dinfo;
if ( (0 == *pport) &&
(MHD_NO == MHD_is_feature_supported (MHD_FEATURE_AUTODETECT_BIND_PORT)) )
{
*pport = 4050;
if (oneone)
*pport += 1;
if (! conn_close)
*pport += 2;
}
if (testMhdThreadInternalPool != thrType)
d = MHD_start_daemon (((unsigned int) thrType) | ((unsigned int) pollType)
| MHD_USE_ERROR_LOG,
*pport, NULL, NULL,
&ahc_echo, NULL,
MHD_OPTION_URI_LOG_CALLBACK, &log_cb, NULL,
MHD_OPTION_END);
else
d = MHD_start_daemon (MHD_USE_INTERNAL_POLLING_THREAD
| ((unsigned int) pollType)
| MHD_USE_ERROR_LOG,
*pport, NULL, NULL,
&ahc_echo, NULL,
MHD_OPTION_THREAD_POOL_SIZE,
testNumThreadsForPool (pollType),
MHD_OPTION_URI_LOG_CALLBACK, &log_cb, NULL,
MHD_OPTION_END);
if (NULL == d)
{
fprintf (stderr, "Failed to start MHD daemon, errno=%d.\n", errno);
abort ();
}
if (0 == *pport)
{
dinfo = MHD_get_daemon_info (d, MHD_DAEMON_INFO_BIND_PORT);
if ((NULL == dinfo) || (0 == dinfo->port) )
{
fprintf (stderr, "MHD_get_daemon_info() failed.\n");
abort ();
}
*pport = dinfo->port;
if (0 == global_port)
global_port = *pport; /* Reuse the same port for all tests */
}
return d;
}
/* Test runners */
static unsigned int
testExternalGet (void)
{
struct MHD_Daemon *d;
uint16_t d_port = global_port; /* Daemon's port */
d = startTestMhdDaemon (testMhdThreadExternal, testMhdPollBySelect, &d_port);
return performTestQueries (d, d_port);
}
static unsigned int
testInternalGet (enum testMhdPollType pollType)
{
struct MHD_Daemon *d;
uint16_t d_port = global_port; /* Daemon's port */
d = startTestMhdDaemon (testMhdThreadInternal, pollType,
&d_port);
return performTestQueries (d, d_port);
}
static unsigned int
testMultithreadedGet (enum testMhdPollType pollType)
{
struct MHD_Daemon *d;
uint16_t d_port = global_port; /* Daemon's port */
d = startTestMhdDaemon (testMhdThreadInternalPerConnection, pollType,
&d_port);
return performTestQueries (d, d_port);
}
static unsigned int
testMultithreadedPoolGet (enum testMhdPollType pollType)
{
struct MHD_Daemon *d;
uint16_t d_port = global_port; /* Daemon's port */
d = startTestMhdDaemon (testMhdThreadInternalPool, pollType,
&d_port);
return performTestQueries (d, d_port);
}
int
main (int argc, char *const *argv)
{
unsigned int errorCount = 0;
unsigned int test_result = 0;
int verbose = 0;
if ((NULL == argv) || (0 == argv[0]))
return 99;
oneone = ! has_in_name (argv[0], "10");
conn_close = has_in_name (argv[0], "_close");
if (! conn_close && ! has_in_name (argv[0], "_keep_alive"))
return 99;
verbose = ! (has_param (argc, argv, "-q") ||
has_param (argc, argv, "--quiet") ||
has_param (argc, argv, "-s") ||
has_param (argc, argv, "--silent"));
test_global_init ();
/* Could be set to non-zero value to enforce using specific port
* in the test */
global_port = 0;
test_result = testExternalGet ();
if (test_result)
fprintf (stderr, "FAILED: testExternalGet () - %u.\n", test_result);
else if (verbose)
printf ("PASSED: testExternalGet ().\n");
errorCount += test_result;
if (MHD_YES == MHD_is_feature_supported (MHD_FEATURE_THREADS))
{
test_result = testInternalGet (testMhdPollBySelect);
if (test_result)
fprintf (stderr, "FAILED: testInternalGet (testMhdPollBySelect) - %u.\n",
test_result);
else if (verbose)
printf ("PASSED: testInternalGet (testMhdPollBySelect).\n");
errorCount += test_result;
test_result = testMultithreadedPoolGet (testMhdPollBySelect);
if (test_result)
fprintf (stderr,
"FAILED: testMultithreadedPoolGet (testMhdPollBySelect) - %u.\n",
test_result);
else if (verbose)
printf ("PASSED: testMultithreadedPoolGet (testMhdPollBySelect).\n");
errorCount += test_result;
test_result = testMultithreadedGet (testMhdPollBySelect);
if (test_result)
fprintf (stderr,
"FAILED: testMultithreadedGet (testMhdPollBySelect) - %u.\n",
test_result);
else if (verbose)
printf ("PASSED: testMultithreadedGet (testMhdPollBySelect).\n");
errorCount += test_result;
if (MHD_YES == MHD_is_feature_supported (MHD_FEATURE_POLL))
{
test_result = testInternalGet (testMhdPollByPoll);
if (test_result)
fprintf (stderr, "FAILED: testInternalGet (testMhdPollByPoll) - %u.\n",
test_result);
else if (verbose)
printf ("PASSED: testInternalGet (testMhdPollByPoll).\n");
errorCount += test_result;
}
if (MHD_YES == MHD_is_feature_supported (MHD_FEATURE_EPOLL))
{
test_result = testInternalGet (testMhdPollByEpoll);
if (test_result)
fprintf (stderr, "FAILED: testInternalGet (testMhdPollByEpoll) - %u.\n",
test_result);
else if (verbose)
printf ("PASSED: testInternalGet (testMhdPollByEpoll).\n");
errorCount += test_result;
}
}
if (0 != errorCount)
fprintf (stderr,
"Error (code: %u)\n",
errorCount);
else if (verbose)
printf ("All tests passed.\n");
test_global_cleanup ();
return (errorCount == 0) ? 0 : 1; /* 0 == pass */
}