mirror of
https://github.com/curl/curl.git
synced 2024-12-27 06:59:43 +08:00
ea19dbe662
Show how curl_multi_poll() makes it even easier to use the multi interface. Closes #4596
77 lines
2.2 KiB
C
77 lines
2.2 KiB
C
/***************************************************************************
|
|
* _ _ ____ _
|
|
* Project ___| | | | _ \| |
|
|
* / __| | | | |_) | |
|
|
* | (__| |_| | _ <| |___
|
|
* \___|\___/|_| \_\_____|
|
|
*
|
|
* Copyright (C) 1998 - 2019, 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.haxx.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.
|
|
*
|
|
***************************************************************************/
|
|
/* <DESC>
|
|
* single download with the multi interface's curl_multi_poll
|
|
* </DESC>
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
/* somewhat unix-specific */
|
|
#include <sys/time.h>
|
|
#include <unistd.h>
|
|
|
|
/* curl stuff */
|
|
#include <curl/curl.h>
|
|
|
|
int main(void)
|
|
{
|
|
CURL *http_handle;
|
|
CURLM *multi_handle;
|
|
int still_running = 1; /* keep number of running handles */
|
|
|
|
curl_global_init(CURL_GLOBAL_DEFAULT);
|
|
|
|
http_handle = curl_easy_init();
|
|
|
|
curl_easy_setopt(http_handle, CURLOPT_URL, "https://www.example.com/");
|
|
|
|
multi_handle = curl_multi_init();
|
|
|
|
curl_multi_add_handle(multi_handle, http_handle);
|
|
|
|
while(still_running) {
|
|
CURLMcode mc; /* curl_multi_poll() return code */
|
|
int numfds;
|
|
|
|
/* we start some action by calling perform right away */
|
|
mc = curl_multi_perform(multi_handle, &still_running);
|
|
|
|
if(still_running)
|
|
/* wait for activity, timeout or "nothing" */
|
|
mc = curl_multi_poll(multi_handle, NULL, 0, 1000, &numfds);
|
|
|
|
if(mc != CURLM_OK) {
|
|
fprintf(stderr, "curl_multi_wait() failed, code %d.\n", mc);
|
|
break;
|
|
}
|
|
}
|
|
|
|
curl_multi_remove_handle(multi_handle, http_handle);
|
|
curl_easy_cleanup(http_handle);
|
|
curl_multi_cleanup(multi_handle);
|
|
curl_global_cleanup();
|
|
|
|
return 0;
|
|
}
|