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53b4dfe405
Delete a bunch of unnecessary-looking headers from some examples. This
is known to be tricky on AIX (perhaps also in other less-tested envs).
Let me know if any of this looks incorrect or outright fails on some
systems.
Follow-up to d4b8589055 #13771
Closes #13785
116 lines
3.4 KiB
C
116 lines
3.4 KiB
C
/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at https://curl.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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* SPDX-License-Identifier: curl
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*
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***************************************************************************/
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/* <DESC>
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* A basic application source code using the multi interface doing two
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* transfers in parallel.
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* </DESC>
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*/
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#include <stdio.h>
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#include <string.h>
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/* curl stuff */
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#include <curl/curl.h>
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/*
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* Download an HTTP file and upload an FTP file simultaneously.
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*/
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#define HANDLECOUNT 2 /* Number of simultaneous transfers */
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#define HTTP_HANDLE 0 /* Index for the HTTP transfer */
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#define FTP_HANDLE 1 /* Index for the FTP transfer */
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int main(void)
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{
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CURL *handles[HANDLECOUNT];
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CURLM *multi_handle;
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int still_running = 1; /* keep number of running handles */
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int i;
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CURLMsg *msg; /* for picking up messages with the transfer status */
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int msgs_left; /* how many messages are left */
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/* Allocate one CURL handle per transfer */
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for(i = 0; i<HANDLECOUNT; i++)
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handles[i] = curl_easy_init();
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/* set the options (I left out a few, you get the point anyway) */
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curl_easy_setopt(handles[HTTP_HANDLE], CURLOPT_URL, "https://example.com");
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curl_easy_setopt(handles[FTP_HANDLE], CURLOPT_URL, "ftp://example.com");
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curl_easy_setopt(handles[FTP_HANDLE], CURLOPT_UPLOAD, 1L);
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/* init a multi stack */
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multi_handle = curl_multi_init();
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/* add the individual transfers */
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for(i = 0; i<HANDLECOUNT; i++)
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curl_multi_add_handle(multi_handle, handles[i]);
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while(still_running) {
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CURLMcode mc = curl_multi_perform(multi_handle, &still_running);
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if(still_running)
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/* wait for activity, timeout or "nothing" */
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mc = curl_multi_poll(multi_handle, NULL, 0, 1000, NULL);
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if(mc)
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break;
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}
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/* See how the transfers went */
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/* !checksrc! disable EQUALSNULL 1 */
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while((msg = curl_multi_info_read(multi_handle, &msgs_left)) != NULL) {
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if(msg->msg == CURLMSG_DONE) {
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int idx;
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/* Find out which handle this message is about */
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for(idx = 0; idx<HANDLECOUNT; idx++) {
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int found = (msg->easy_handle == handles[idx]);
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if(found)
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break;
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}
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switch(idx) {
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case HTTP_HANDLE:
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printf("HTTP transfer completed with status %d\n", msg->data.result);
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break;
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case FTP_HANDLE:
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printf("FTP transfer completed with status %d\n", msg->data.result);
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break;
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}
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}
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}
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/* remove the transfers and cleanup the handles */
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for(i = 0; i<HANDLECOUNT; i++) {
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curl_multi_remove_handle(multi_handle, handles[i]);
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curl_easy_cleanup(handles[i]);
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}
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curl_multi_cleanup(multi_handle);
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return 0;
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}
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