quickjs-tart

quickjs-based runtime for wallet-core logic
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multi-double.c (2629B)

      1 /***************************************************************************
      2  *                                  _   _ ____  _
      3  *  Project                     ___| | | |  _ \| |
      4  *                             / __| | | | |_) | |
      5  *                            | (__| |_| |  _ <| |___
      6  *                             \___|\___/|_| \_\_____|
      7  *
      8  * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
      9  *
     10  * This software is licensed as described in the file COPYING, which
     11  * you should have received as part of this distribution. The terms
     12  * are also available at https://curl.se/docs/copyright.html.
     13  *
     14  * You may opt to use, copy, modify, merge, publish, distribute and/or sell
     15  * copies of the Software, and permit persons to whom the Software is
     16  * furnished to do so, under the terms of the COPYING file.
     17  *
     18  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
     19  * KIND, either express or implied.
     20  *
     21  * SPDX-License-Identifier: curl
     22  *
     23  ***************************************************************************/
     24 /* <DESC>
     25  * multi interface code doing two parallel HTTP transfers
     26  * </DESC>
     27  */
     28 #include <stdio.h>
     29 #include <string.h>
     30 
     31 /* curl stuff */
     32 #include <curl/curl.h>
     33 
     34 /*
     35  * Simply download two HTTP files!
     36  */
     37 int main(void)
     38 {
     39   CURL *http_handle;
     40   CURL *http_handle2;
     41   CURLM *multi_handle;
     42 
     43   int still_running = 1; /* keep number of running handles */
     44 
     45   http_handle = curl_easy_init();
     46   http_handle2 = curl_easy_init();
     47 
     48   /* set options */
     49   curl_easy_setopt(http_handle, CURLOPT_URL, "https://www.example.com/");
     50 
     51   /* set options */
     52   curl_easy_setopt(http_handle2, CURLOPT_URL, "http://localhost/");
     53 
     54   /* init a multi stack */
     55   multi_handle = curl_multi_init();
     56 
     57   /* add the individual transfers */
     58   curl_multi_add_handle(multi_handle, http_handle);
     59   curl_multi_add_handle(multi_handle, http_handle2);
     60 
     61   while(still_running) {
     62     CURLMsg *msg;
     63     int queued;
     64     CURLMcode mc = curl_multi_perform(multi_handle, &still_running);
     65 
     66     if(still_running)
     67       /* wait for activity, timeout or "nothing" */
     68       mc = curl_multi_poll(multi_handle, NULL, 0, 1000, NULL);
     69 
     70     if(mc)
     71       break;
     72 
     73     do {
     74       msg = curl_multi_info_read(multi_handle, &queued);
     75       if(msg) {
     76         if(msg->msg == CURLMSG_DONE) {
     77           /* a transfer ended */
     78           fprintf(stderr, "Transfer completed\n");
     79         }
     80       }
     81     } while(msg);
     82   }
     83 
     84   curl_multi_remove_handle(multi_handle, http_handle);
     85   curl_multi_remove_handle(multi_handle, http_handle2);
     86 
     87   curl_multi_cleanup(multi_handle);
     88 
     89   curl_easy_cleanup(http_handle);
     90   curl_easy_cleanup(http_handle2);
     91 
     92   return 0;
     93 }