1 /***************************************************************************
3 * Project ___| | | | _ \| |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
8 * Copyright (C) 2013 - 2017, Linus Nielsen Feltzing <linus@haxx.se>
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.haxx.se/docs/copyright.html.
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.
18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
19 * KIND, either express or implied.
21 ***************************************************************************/
24 * Use global DNS cache (while deprecated it should still work), populate it
25 * with CURLOPT_RESOLVE in the first request and then make sure a subsequent
26 * easy transfer finds and uses the populated stuff.
38 CURL *curl[NUM_HANDLES] = {NULL, NULL};
39 char *port = libtest_arg3;
40 char *address = libtest_arg2;
42 struct curl_slist *slist = NULL;
45 (void)URL; /* URL is setup in the code */
47 if(curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK) {
48 fprintf(stderr, "curl_global_init() failed\n");
49 return TEST_ERR_MAJOR_BAD;
52 snprintf(dnsentry, sizeof(dnsentry), "server.example.curl:%s:%s",
54 printf("%s\n", dnsentry);
55 slist = curl_slist_append(slist, dnsentry);
57 /* get NUM_HANDLES easy handles */
58 for(i = 0; i < NUM_HANDLES; i++) {
59 /* get an easy handle */
62 snprintf(target_url, sizeof(target_url),
63 "http://server.example.curl:%s/path/1512%04i",
65 target_url[sizeof(target_url) - 1] = '\0';
66 easy_setopt(curl[i], CURLOPT_URL, target_url);
68 easy_setopt(curl[i], CURLOPT_VERBOSE, 1L);
70 easy_setopt(curl[i], CURLOPT_HEADER, 1L);
72 easy_setopt(curl[i], CURLOPT_DNS_USE_GLOBAL_CACHE, 1L);
75 /* make the first one populate the GLOBAL cache */
76 easy_setopt(curl[0], CURLOPT_RESOLVE, slist);
78 /* run NUM_HANDLES transfers */
79 for(i = 0; (i < NUM_HANDLES) && !res; i++)
80 res = curl_easy_perform(curl[i]);
84 curl_easy_cleanup(curl[0]);
85 curl_easy_cleanup(curl[1]);
86 curl_slist_free_all(slist);
87 curl_global_cleanup();