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authorDaniel Stenberg <daniel@haxx.se>2003-08-28 11:21:14 +0000
committerDaniel Stenberg <daniel@haxx.se>2003-08-28 11:21:14 +0000
commita95df8246b352cd54777cc518a406e7ff35b2322 (patch)
treecd73a05ba4779030bdfa4c2f1766c1128002c2b2
parent8feb5110b536f0f63769474cb9cc7cba8777f792 (diff)
Henrik Storner's rewrite that includes a nice usage of curl_multi_info_read()
-rw-r--r--docs/examples/multi-app.c51
1 files changed, 40 insertions, 11 deletions
diff --git a/docs/examples/multi-app.c b/docs/examples/multi-app.c
index aead0244f..9e3d72703 100644
--- a/docs/examples/multi-app.c
+++ b/docs/examples/multi-app.c
@@ -23,29 +23,38 @@
/*
* 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)
{
- CURL *http_handle;
- CURL *ftp_handle;
+ CURL *handles[HANDLECOUNT];
CURLM *multi_handle;
int still_running; /* keep number of running handles */
+ int i;
- http_handle = curl_easy_init();
- ftp_handle = curl_easy_init();
+ CURLMsg *msg; /* for picking up messages with the transfer status */
+ 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) */
- 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(ftp_handle, CURLOPT_UPLOAD, TRUE);
+ curl_easy_setopt(handles[FTP_HANDLE], CURLOPT_URL, "ftp://ftpsite.com");
+ curl_easy_setopt(handles[FTP_HANDLE], CURLOPT_UPLOAD, TRUE);
/* init a multi stack */
multi_handle = curl_multi_init();
/* add the individual transfers */
- curl_multi_add_handle(multi_handle, http_handle);
- curl_multi_add_handle(multi_handle, ftp_handle);
+ for (i=0; i<HANDLECOUNT; i++)
+ curl_multi_add_handle(multi_handle, handles[i]);
/* we start some action by calling perform right away */
while(CURLM_CALL_MULTI_PERFORM ==
@@ -91,9 +100,29 @@ int main(int argc, char **argv)
curl_multi_cleanup(multi_handle);
- curl_easy_cleanup(http_handle);
- curl_easy_cleanup(ftp_handle);
+ /* See how the transfers went */
+ 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;
}