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Henrik Storner's rewrite that includes a nice usage of curl_multi_info_read()

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Daniel Stenberg 2003-08-28 11:21:14 +00:00
parent 8feb5110b5
commit a95df8246b
1 changed files with 40 additions and 11 deletions
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51
docs/examples/multi-app.c
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@ -23,29 +23,38 @@
/* /*
* Download a HTTP file and upload an FTP file simultaneously. * Download a HTTP file and upload an FTP file simultaneously.
*/ */
#define HANDLECOUNT 2 /* Number of simultaneous transfers */
#define HTTP_HANDLE 0 /* Index for the HTTP transfer */
#define FTP_HANDLE 1 /* Index for the FTP transfer */
int main(int argc, char **argv) int main(int argc, char **argv)
{ {
CURL *http_handle; CURL *handles[HANDLECOUNT];
CURL *ftp_handle;
CURLM *multi_handle; CURLM *multi_handle;
int still_running; /* keep number of running handles */ int still_running; /* keep number of running handles */
int i;
http_handle = curl_easy_init(); CURLMsg *msg; /* for picking up messages with the transfer status */
ftp_handle = curl_easy_init(); int msgs_left; /* how many messages are left */
/* Allocate one CURL handle per transfer */
for (i=0; i<HANDLECOUNT; i++)
handles[i] = curl_easy_init();
/* set the options (I left out a few, you'll get the point anyway) */ /* set the options (I left out a few, you'll get the point anyway) */
curl_easy_setopt(http_handle, CURLOPT_URL, "http://website.com"); curl_easy_setopt(handles[HTTP_HANDLE], CURLOPT_URL, "http://website.com");
curl_easy_setopt(ftp_handle, CURLOPT_URL, "ftp://ftpsite.com"); curl_easy_setopt(handles[FTP_HANDLE], CURLOPT_URL, "ftp://ftpsite.com");
curl_easy_setopt(ftp_handle, CURLOPT_UPLOAD, TRUE); curl_easy_setopt(handles[FTP_HANDLE], CURLOPT_UPLOAD, TRUE);
/* init a multi stack */ /* init a multi stack */
multi_handle = curl_multi_init(); multi_handle = curl_multi_init();
/* add the individual transfers */ /* add the individual transfers */
curl_multi_add_handle(multi_handle, http_handle); for (i=0; i<HANDLECOUNT; i++)
curl_multi_add_handle(multi_handle, ftp_handle); curl_multi_add_handle(multi_handle, handles[i]);
/* we start some action by calling perform right away */ /* we start some action by calling perform right away */
while(CURLM_CALL_MULTI_PERFORM == while(CURLM_CALL_MULTI_PERFORM ==
@ -91,9 +100,29 @@ int main(int argc, char **argv)
curl_multi_cleanup(multi_handle); curl_multi_cleanup(multi_handle);
curl_easy_cleanup(http_handle); /* See how the transfers went */
curl_easy_cleanup(ftp_handle); while ((msg = curl_multi_info_read(multi_handle, &msgs_left))) {
if (msg->msg == CURLMSG_DONE) {
int idx, found = 0;
/* Find out which handle this message is about */
for (idx=0; (!found && (idx<HANDLECOUNT)); idx++) found = (msg->easy_handle == handles[idx]);
switch (idx) {
case HTTP_HANDLE:
printf("HTTP transfer completed with status %d\n", msg->data.result);
break;
case FTP_HANDLE:
printf("FTP transfer completed with status %d\n", msg->data.result);
break;
}
}
}
/* Free the CURL handles */
for (i=0; i<HANDLECOUNT; i++)
curl_easy_cleanup(handles[i]);
return 0; return 0;
} }