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Annotation of embedaddon/curl/tests/libtest/lib1515.c, revision 1.1

1.1     ! misho       1: /***************************************************************************
        !             2:  *                                  _   _ ____  _
        !             3:  *  Project                     ___| | | |  _ \| |
        !             4:  *                             / __| | | | |_) | |
        !             5:  *                            | (__| |_| |  _ <| |___
        !             6:  *                             \___|\___/|_| \_\_____|
        !             7:  *
        !             8:  * Copyright (C) 1998 - 2020, 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.haxx.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:  ***************************************************************************/
        !            22: 
        !            23: /*
        !            24:  * Check for bugs #1303 and #1327: libcurl should never remove DNS entries
        !            25:  * created via CURLOPT_RESOLVE, neither after DNS_CACHE_TIMEOUT elapses
        !            26:  * (test1515) nor a dead connection is detected (test1616).
        !            27:  */
        !            28: 
        !            29: #include "test.h"
        !            30: #include "testutil.h"
        !            31: #include "warnless.h"
        !            32: #include "memdebug.h"
        !            33: 
        !            34: #define TEST_HANG_TIMEOUT 60 * 1000
        !            35: 
        !            36: #define DNS_TIMEOUT 1
        !            37: 
        !            38: #if defined(WIN32) || defined(_WIN32)
        !            39: #define sleep(sec) Sleep ((sec)*1000)
        !            40: #endif
        !            41: 
        !            42: static int debug_callback(CURL *curl, curl_infotype info, char *msg,
        !            43:                           size_t len, void *ptr)
        !            44: {
        !            45:   (void)curl;
        !            46:   (void)ptr;
        !            47: 
        !            48:   if(info == CURLINFO_TEXT)
        !            49:     fprintf(stderr, "debug: %.*s", (int) len, msg);
        !            50: 
        !            51:   return 0;
        !            52: }
        !            53: 
        !            54: static int do_one_request(CURLM *m, char *URL, char *resolve)
        !            55: {
        !            56:   CURL *curls;
        !            57:   struct curl_slist *resolve_list = NULL;
        !            58:   int still_running;
        !            59:   int res = 0;
        !            60:   CURLMsg *msg;
        !            61:   int msgs_left;
        !            62: 
        !            63:   resolve_list = curl_slist_append(resolve_list, resolve);
        !            64: 
        !            65:   easy_init(curls);
        !            66: 
        !            67:   easy_setopt(curls, CURLOPT_URL, URL);
        !            68:   easy_setopt(curls, CURLOPT_RESOLVE, resolve_list);
        !            69:   easy_setopt(curls, CURLOPT_DEBUGFUNCTION, debug_callback);
        !            70:   easy_setopt(curls, CURLOPT_VERBOSE, 1);
        !            71:   easy_setopt(curls, CURLOPT_DNS_CACHE_TIMEOUT, DNS_TIMEOUT);
        !            72: 
        !            73:   multi_add_handle(m, curls);
        !            74:   multi_perform(m, &still_running);
        !            75: 
        !            76:   abort_on_test_timeout();
        !            77: 
        !            78:   while(still_running) {
        !            79:     struct timeval timeout;
        !            80:     fd_set fdread, fdwrite, fdexcep;
        !            81:     int maxfd = -99;
        !            82: 
        !            83:     FD_ZERO(&fdread);
        !            84:     FD_ZERO(&fdwrite);
        !            85:     FD_ZERO(&fdexcep);
        !            86:     timeout.tv_sec = 1;
        !            87:     timeout.tv_usec = 0;
        !            88: 
        !            89:     multi_fdset(m, &fdread, &fdwrite, &fdexcep, &maxfd);
        !            90:     select_test(maxfd + 1, &fdread, &fdwrite, &fdexcep, &timeout);
        !            91: 
        !            92:     abort_on_test_timeout();
        !            93:     multi_perform(m, &still_running);
        !            94: 
        !            95:     abort_on_test_timeout();
        !            96:   }
        !            97: 
        !            98:   do {
        !            99:     msg = curl_multi_info_read(m, &msgs_left);
        !           100:     if(msg && msg->msg == CURLMSG_DONE && msg->easy_handle == curls) {
        !           101:       res = msg->data.result;
        !           102:       break;
        !           103:     }
        !           104:   } while(msg);
        !           105: 
        !           106: test_cleanup:
        !           107: 
        !           108:   curl_multi_remove_handle(m, curls);
        !           109:   curl_easy_cleanup(curls);
        !           110:   curl_slist_free_all(resolve_list);
        !           111: 
        !           112:   return res;
        !           113: }
        !           114: 
        !           115: int test(char *URL)
        !           116: {
        !           117:   CURLM *multi = NULL;
        !           118:   int res = 0;
        !           119:   char *address = libtest_arg2;
        !           120:   char *port = libtest_arg3;
        !           121:   char *path = URL;
        !           122:   char dns_entry[256];
        !           123:   int i;
        !           124:   int count = 2;
        !           125: 
        !           126:   msnprintf(dns_entry, sizeof(dns_entry), "testserver.example.com:%s:%s",
        !           127:             port, address);
        !           128: 
        !           129:   start_test_timing();
        !           130: 
        !           131:   global_init(CURL_GLOBAL_ALL);
        !           132:   multi_init(multi);
        !           133: 
        !           134:   for(i = 1; i <= count; i++) {
        !           135:     char target_url[256];
        !           136:     msnprintf(target_url, sizeof(target_url),
        !           137:               "http://testserver.example.com:%s/%s%04d", port, path, i);
        !           138: 
        !           139:     /* second request must succeed like the first one */
        !           140:     res = do_one_request(multi, target_url, dns_entry);
        !           141:     if(res)
        !           142:       goto test_cleanup;
        !           143: 
        !           144:     if(i < count)
        !           145:       sleep(DNS_TIMEOUT + 1);
        !           146:   }
        !           147: 
        !           148: test_cleanup:
        !           149: 
        !           150:   curl_multi_cleanup(multi);
        !           151:   curl_global_cleanup();
        !           152: 
        !           153:   return (int) res;
        !           154: }