/*************************************************************************** * _ _ ____ _ * Project ___| | | | _ \| | * / __| | | | |_) | | * | (__| |_| | _ <| |___ * \___|\___/|_| \_\_____| * * Copyright (C) 2013 - 2016, Linus Nielsen Feltzing <linus@haxx.se> * * This software is licensed as described in the file COPYING, which * you should have received as part of this distribution. The terms * are also available at https://curl.haxx.se/docs/copyright.html. * * You may opt to use, copy, modify, merge, publish, distribute and/or sell * copies of the Software, and permit persons to whom the Software is * furnished to do so, under the terms of the COPYING file. * * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY * KIND, either express or implied. * ***************************************************************************/ /* * Use global DNS cache (while deprecated it should still work), populate it * with CURLOPT_RESOLVE in the first request and then make sure a subsequent * easy transfer finds and uses the populated stuff. */ #include "test.h" #include "memdebug.h" #define NUM_HANDLES 2 int test(char *URL) { int res = 0; CURL *curl[NUM_HANDLES] = {NULL, NULL}; char *port = libtest_arg3; char *address = libtest_arg2; char dnsentry[256]; struct curl_slist *slist = NULL; int i; char target_url[256]; (void)URL; /* URL is setup in the code */ if(curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK) { fprintf(stderr, "curl_global_init() failed\n"); return TEST_ERR_MAJOR_BAD; } snprintf(dnsentry, sizeof(dnsentry), "server.example.curl:%s:%s", port, address); printf("%s\n", dnsentry); slist = curl_slist_append(slist, dnsentry); /* get NUM_HANDLES easy handles */ for(i=0; i < NUM_HANDLES; i++) { /* get an easy handle */ easy_init(curl[i]); /* specify target */ snprintf(target_url, sizeof(target_url), "http://server.example.curl:%s/path/1512%04i", port, i + 1); target_url[sizeof(target_url) - 1] = '\0'; easy_setopt(curl[i], CURLOPT_URL, target_url); /* go verbose */ easy_setopt(curl[i], CURLOPT_VERBOSE, 1L); /* include headers */ easy_setopt(curl[i], CURLOPT_HEADER, 1L); easy_setopt(curl[i], CURLOPT_DNS_USE_GLOBAL_CACHE, 1L); } /* make the first one populate the GLOBAL cache */ easy_setopt(curl[0], CURLOPT_RESOLVE, slist); /* run NUM_HANDLES transfers */ for(i=0; (i < NUM_HANDLES) && !res; i++) res = curl_easy_perform(curl[i]); test_cleanup: curl_easy_cleanup(curl[0]); curl_easy_cleanup(curl[1]); curl_slist_free_all(slist); curl_global_cleanup(); return res; }