diff options
| -rw-r--r-- | docs/examples/multi-app.c | 51 |
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; } |