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| author | Rick Deist <dreckard@users.noreply.github.com> | 2018-03-17 20:10:04 +0100 |
|---|---|---|
| committer | Daniel Stenberg <daniel@haxx.se> | 2018-03-17 20:44:14 +0100 |
| commit | d95f3dc0b117b0677700dae8dd51145c9b6f2d08 (patch) | |
| tree | f1f044908f412bc3a946f61fa611884c0ff1611b /tests/unit | |
| parent | fb4f568b1e090c884eb63c3419322b558a38138e (diff) | |
| download | curl-d95f3dc0b117b0677700dae8dd51145c9b6f2d08.tar.gz | |
resolve: add CURLOPT_DNS_SHUFFLE_ADDRESSES
This patch adds CURLOPT_DNS_SHUFFLE_ADDRESSES to explicitly request
shuffling of IP addresses returned for a hostname when there is more
than one. This is useful when the application knows that a round robin
approach is appropriate and is willing to accept the consequences of
potentially discarding some preference order returned by the system's
implementation.
Closes #1694
Diffstat (limited to 'tests/unit')
| -rw-r--r-- | tests/unit/Makefile.inc | 6 | ||||
| -rw-r--r-- | tests/unit/unit1608.c | 70 |
2 files changed, 75 insertions, 1 deletions
diff --git a/tests/unit/Makefile.inc b/tests/unit/Makefile.inc index 9a19f51d1..f77da7588 100644 --- a/tests/unit/Makefile.inc +++ b/tests/unit/Makefile.inc @@ -9,7 +9,8 @@ UNITPROGS = unit1300 unit1301 unit1302 unit1303 unit1304 unit1305 unit1307 \ unit1308 unit1309 unit1323 \ unit1330 unit1394 unit1395 unit1396 unit1397 unit1398 \ unit1399 \ - unit1600 unit1601 unit1602 unit1603 unit1604 unit1605 unit1606 unit1607 + unit1600 unit1601 unit1602 unit1603 unit1604 unit1605 unit1606 unit1607 \ + unit1608 unit1300_SOURCES = unit1300.c $(UNITFILES) unit1300_CPPFLAGS = $(AM_CPPFLAGS) @@ -88,3 +89,6 @@ unit1606_CPPFLAGS = $(AM_CPPFLAGS) unit1607_SOURCES = unit1607.c $(UNITFILES) unit1607_CPPFLAGS = $(AM_CPPFLAGS) + +unit1608_SOURCES = unit1608.c $(UNITFILES) +unit1608_CPPFLAGS = $(AM_CPPFLAGS) diff --git a/tests/unit/unit1608.c b/tests/unit/unit1608.c new file mode 100644 index 000000000..9ae474ba9 --- /dev/null +++ b/tests/unit/unit1608.c @@ -0,0 +1,70 @@ +/*************************************************************************** + * _ _ ____ _ + * Project ___| | | | _ \| | + * / __| | | | |_) | | + * | (__| |_| | _ <| |___ + * \___|\___/|_| \_\_____| + * + * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al. + * + * 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. + * + ***************************************************************************/ +#include "curlcheck.h" + +#include "hostip.h" + +#define NUM_ADDRS 8 +static struct Curl_addrinfo addrs[NUM_ADDRS]; + +static CURLcode unit_setup(void) +{ + int i; + for(i = 0; i < NUM_ADDRS - 1; i++) { + addrs[i].ai_next = &addrs[i + 1]; + } + + return CURLE_OK; +} + +static void unit_stop(void) +{ + +} + +UNITTEST_START +{ + int i; + CURLcode code; + struct Curl_addrinfo* addrhead = addrs; + + struct Curl_easy *easy = curl_easy_init(); + abort_unless(easy, "out of memory"); + + code = curl_easy_setopt(easy, CURLOPT_DNS_SHUFFLE_ADDRESSES, 1L); + abort_unless(code == CURLE_OK, "curl_easy_setopt failed"); + + /* Shuffle repeatedly and make sure that the list changes */ + for(i = 0; i < 10; i++) { + if(CURLE_OK != Curl_shuffle_addr(easy, &addrhead)) + break; + if(addrhead != addrs) + break; + } + + curl_easy_cleanup(easy); + + abort_unless(addrhead != addrs, "addresses are not being reordered"); + + return 0; +} +UNITTEST_STOP |