1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
/***************************************************************************
* _ _ ____ _
* 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;
}
|
