mirror of
https://github.com/moparisthebest/curl
synced 2024-11-17 23:15:08 -05:00
127 lines
3.4 KiB
C
127 lines
3.4 KiB
C
/*****************************************************************************
|
|
* _ _ ____ _
|
|
* Project ___| | | | _ \| |
|
|
* / __| | | | |_) | |
|
|
* | (__| |_| | _ <| |___
|
|
* \___|\___/|_| \_\_____|
|
|
*
|
|
* $Id$
|
|
*
|
|
* This is an example application source code using the multi interface
|
|
* to do a multipart formpost without "blocking".
|
|
*/
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <sys/time.h>
|
|
|
|
#include <curl/curl.h>
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
CURL *curl;
|
|
CURLcode res;
|
|
|
|
CURLM *multi_handle;
|
|
int still_running;
|
|
|
|
struct curl_httppost *formpost=NULL;
|
|
struct curl_httppost *lastptr=NULL;
|
|
struct curl_slist *headerlist=NULL;
|
|
char buf[] = "Expect:";
|
|
|
|
/* Fill in the file upload field. This makes libcurl load data from
|
|
the given file name when curl_easy_perform() is called. */
|
|
curl_formadd(&formpost,
|
|
&lastptr,
|
|
CURLFORM_COPYNAME, "sendfile",
|
|
CURLFORM_FILE, "postit2.c",
|
|
CURLFORM_END);
|
|
|
|
/* Fill in the filename field */
|
|
curl_formadd(&formpost,
|
|
&lastptr,
|
|
CURLFORM_COPYNAME, "filename",
|
|
CURLFORM_COPYCONTENTS, "postit2.c",
|
|
CURLFORM_END);
|
|
|
|
/* Fill in the submit field too, even if this is rarely needed */
|
|
curl_formadd(&formpost,
|
|
&lastptr,
|
|
CURLFORM_COPYNAME, "submit",
|
|
CURLFORM_COPYCONTENTS, "send",
|
|
CURLFORM_END);
|
|
|
|
curl = curl_easy_init();
|
|
multi_handle = curl_multi_init();
|
|
|
|
/* initalize custom header list (stating that Expect: 100-continue is not
|
|
wanted */
|
|
headerlist = curl_slist_append(headerlist, buf);
|
|
if(curl && multi_handle) {
|
|
int perform=0;
|
|
|
|
/* what URL that receives this POST */
|
|
curl_easy_setopt(curl, CURLOPT_URL,
|
|
"http://www.fillinyoururl.com/upload.cgi");
|
|
curl_easy_setopt(curl, CURLOPT_VERBOSE, 1);
|
|
|
|
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headerlist);
|
|
curl_easy_setopt(curl, CURLOPT_HTTPPOST, formpost);
|
|
|
|
curl_multi_add_handle(multi_handle, curl);
|
|
|
|
while(CURLM_CALL_MULTI_PERFORM ==
|
|
curl_multi_perform(multi_handle, &still_running));
|
|
|
|
while(still_running) {
|
|
struct timeval timeout;
|
|
int rc; /* select() return code */
|
|
|
|
fd_set fdread;
|
|
fd_set fdwrite;
|
|
fd_set fdexcep;
|
|
int maxfd;
|
|
|
|
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;
|
|
|
|
/* get file descriptors from the transfers */
|
|
curl_multi_fdset(multi_handle, &fdread, &fdwrite, &fdexcep, &maxfd);
|
|
|
|
rc = select(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout);
|
|
|
|
switch(rc) {
|
|
case -1:
|
|
/* select error */
|
|
break;
|
|
case 0:
|
|
printf("timeout!\n");
|
|
default:
|
|
/* timeout or readable/writable sockets */
|
|
printf("perform!\n");
|
|
while(CURLM_CALL_MULTI_PERFORM ==
|
|
curl_multi_perform(multi_handle, &still_running));
|
|
printf("running: %d!\n", still_running);
|
|
break;
|
|
}
|
|
}
|
|
|
|
curl_multi_cleanup(multi_handle);
|
|
|
|
/* always cleanup */
|
|
curl_easy_cleanup(curl);
|
|
|
|
/* then cleanup the formpost chain */
|
|
curl_formfree(formpost);
|
|
|
|
/* free slist */
|
|
curl_slist_free_all (headerlist);
|
|
}
|
|
return 0;
|
|
}
|