86 lines
2.5 KiB
C
86 lines
2.5 KiB
C
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/***************************************************************************
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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) 1998 - 2017, 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.haxx.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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***************************************************************************/
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/* <DESC>
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* Connection cache shared between easy handles with the share interface
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* </DESC>
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*/
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#include <stdio.h>
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#include <curl/curl.h>
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static void my_lock(CURL *handle, curl_lock_data data,
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curl_lock_access laccess, void *useptr)
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{
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(void)handle;
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(void)data;
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(void)laccess;
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(void)useptr;
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fprintf(stderr, "-> Mutex lock\n");
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}
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static void my_unlock(CURL *handle, curl_lock_data data, void *useptr)
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{
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(void)handle;
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(void)data;
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(void)useptr;
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fprintf(stderr, "<- Mutex unlock\n");
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}
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int main(void)
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{
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CURL *curl;
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CURLcode res;
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CURLSH *share;
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int i;
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share = curl_share_init();
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curl_share_setopt(share, CURLSHOPT_SHARE, CURL_LOCK_DATA_CONNECT);
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curl_share_setopt(share, CURLSHOPT_LOCKFUNC, my_lock);
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curl_share_setopt(share, CURLSHOPT_UNLOCKFUNC, my_unlock);
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/* Loop the transfer and cleanup the handle properly every lap. This will
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still reuse connections since the pool is in the shared object! */
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for(i = 0; i < 3; i++) {
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curl = curl_easy_init();
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if(curl) {
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curl_easy_setopt(curl, CURLOPT_URL, "https://curl.haxx.se/");
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/* use the share object */
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curl_easy_setopt(curl, CURLOPT_SHARE, share);
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/* Perform the request, res will get the return code */
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res = curl_easy_perform(curl);
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/* Check for errors */
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if(res != CURLE_OK)
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fprintf(stderr, "curl_easy_perform() failed: %s\n",
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curl_easy_strerror(res));
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/* always cleanup */
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curl_easy_cleanup(curl);
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}
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}
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curl_share_cleanup(share);
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return 0;
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}
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