| xf.li | 6c8fc1e | 2023-08-12 00:11:09 -0700 | [diff] [blame^] | 1 | /*************************************************************************** |
| 2 | * _ _ ____ _ |
| 3 | * Project ___| | | | _ \| | |
| 4 | * / __| | | | |_) | | |
| 5 | * | (__| |_| | _ <| |___ |
| 6 | * \___|\___/|_| \_\_____| |
| 7 | * |
| 8 | * Copyright (C) 1998 - 2022, 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 | #include "curlcheck.h" |
| 25 | |
| 26 | #include "hostip.h" |
| 27 | |
| 28 | CURLcode Curl_shuffle_addr(struct Curl_easy *data, |
| 29 | struct Curl_addrinfo **addr); |
| 30 | |
| 31 | #define NUM_ADDRS 8 |
| 32 | static struct Curl_addrinfo addrs[NUM_ADDRS]; |
| 33 | |
| 34 | static CURLcode unit_setup(void) |
| 35 | { |
| 36 | int i; |
| 37 | for(i = 0; i < NUM_ADDRS - 1; i++) { |
| 38 | addrs[i].ai_next = &addrs[i + 1]; |
| 39 | } |
| 40 | |
| 41 | return CURLE_OK; |
| 42 | } |
| 43 | |
| 44 | static void unit_stop(void) |
| 45 | { |
| 46 | curl_global_cleanup(); |
| 47 | } |
| 48 | |
| 49 | UNITTEST_START |
| 50 | { |
| 51 | int i; |
| 52 | CURLcode code; |
| 53 | struct Curl_addrinfo *addrhead = addrs; |
| 54 | |
| 55 | struct Curl_easy *easy = curl_easy_init(); |
| 56 | abort_unless(easy, "out of memory"); |
| 57 | |
| 58 | code = curl_easy_setopt(easy, CURLOPT_DNS_SHUFFLE_ADDRESSES, 1L); |
| 59 | abort_unless(code == CURLE_OK, "curl_easy_setopt failed"); |
| 60 | |
| 61 | /* Shuffle repeatedly and make sure that the list changes */ |
| 62 | for(i = 0; i < 10; i++) { |
| 63 | if(CURLE_OK != Curl_shuffle_addr(easy, &addrhead)) |
| 64 | break; |
| 65 | if(addrhead != addrs) |
| 66 | break; |
| 67 | } |
| 68 | |
| 69 | curl_easy_cleanup(easy); |
| 70 | curl_global_cleanup(); |
| 71 | |
| 72 | abort_unless(addrhead != addrs, "addresses are not being reordered"); |
| 73 | |
| 74 | return 0; |
| 75 | } |
| 76 | UNITTEST_STOP |