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/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at https://curl.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
* SPDX-License-Identifier: curl
*
***************************************************************************/
#include "first.h"
static CURLcode test_lib1531(const char *URL)
{
static char const testData[] = ".abc\0xyz";
static curl_off_t const testDataSize = sizeof(testData) - 1;
CURL *curl;
CURLM *multi;
int still_running; /* keep number of running handles */
CURLMsg *msg; /* for picking up messages with the transfer status */
int msgs_left; /* how many messages are left */
CURLcode result = CURLE_OK;
start_test_timing();
global_init(CURL_GLOBAL_ALL);
/* Allocate one curl handle per transfer */
curl = curl_easy_init();
/* init a multi stack */
multi = curl_multi_init();
/* add the individual transfer */
curl_multi_add_handle(multi, curl);
/* set the options (I left out a few, you get the point anyway) */
curl_easy_setopt(curl, CURLOPT_URL, URL);
curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE_LARGE, testDataSize);
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, testData);
/* we start some action by calling perform right away */
curl_multi_perform(multi, &still_running);
abort_on_test_timeout();
do {
struct timeval timeout;
int rc; /* select() return code */
CURLMcode mresult; /* curl_multi_fdset() return code */
fd_set fdread;
fd_set fdwrite;
fd_set fdexcep;
int maxfd = -1;
long curl_timeo = -1;
FD_ZERO(&fdread);
FD_ZERO(&fdwrite);
FD_ZERO(&fdexcep);
/* set a suitable timeout to play around with */
timeout.tv_sec = 1;
timeout.tv_usec = 0;
curl_multi_timeout(multi, &curl_timeo);
if(curl_timeo >= 0) {
curlx_mstotv(&timeout, curl_timeo);
if(timeout.tv_sec > 1) {
timeout.tv_sec = 1;
timeout.tv_usec = 0;
}
}
/* get file descriptors from the transfers */
mresult = curl_multi_fdset(multi, &fdread, &fdwrite, &fdexcep, &maxfd);
if(mresult != CURLM_OK) {
curl_mfprintf(stderr, "curl_multi_fdset() failed, code %d.\n", mresult);
break;
}
/* On success the value of maxfd is guaranteed to be >= -1. We call
select(maxfd + 1, ...); specially in case of (maxfd == -1) there are
no fds ready yet so we call select(0, ...) --or Sleep() on Windows--
to sleep 100ms, which is the minimum suggested value in the
curl_multi_fdset() doc. */
if(maxfd == -1) {
rc = curlx_wait_ms(100);
}
else {
/* Note that on some platforms 'timeout' may be modified by select().
If you need access to the original value save a copy beforehand. */
rc = select(maxfd + 1, &fdread, &fdwrite, &fdexcep, &timeout);
}
switch(rc) {
case -1:
/* select error */
break;
case 0: /* timeout */
default: /* action */
curl_multi_perform(multi, &still_running);
break;
}
abort_on_test_timeout();
} while(still_running);
/* See how the transfers went */
do {
msg = curl_multi_info_read(multi, &msgs_left);
if(msg && msg->msg == CURLMSG_DONE) {
curl_mprintf("HTTP transfer completed with status %d\n",
msg->data.result);
break;
}
abort_on_test_timeout();
} while(msg);
test_cleanup:
curl_multi_cleanup(multi);
/* Free the curl handles */
curl_easy_cleanup(curl);
curl_global_cleanup();
return result;
}
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