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curl

    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: #include "test.h"
   23: 
   24: #include "testutil.h"
   25: #include "warnless.h"
   26: #include "memdebug.h"
   27: 
   28: #define TEST_HANG_TIMEOUT 60 * 1000
   29: #define WAKEUP_NUM 10
   30: 
   31: int test(char *URL)
   32: {
   33:   CURLM *multi = NULL;
   34:   int numfds;
   35:   int i;
   36:   int res = 0;
   37:   struct timeval time_before_wait, time_after_wait;
   38: 
   39:   (void)URL;
   40: 
   41:   start_test_timing();
   42: 
   43:   global_init(CURL_GLOBAL_ALL);
   44: 
   45:   multi_init(multi);
   46: 
   47:   /* no wakeup */
   48: 
   49:   time_before_wait = tutil_tvnow();
   50:   multi_poll(multi, NULL, 0, 1000, &numfds);
   51:   time_after_wait = tutil_tvnow();
   52: 
   53:   if(tutil_tvdiff(time_after_wait, time_before_wait) < 500) {
   54:     fprintf(stderr, "%s:%d curl_multi_poll returned too early\n",
   55:             __FILE__, __LINE__);
   56:     res = TEST_ERR_MAJOR_BAD;
   57:     goto test_cleanup;
   58:   }
   59: 
   60:   abort_on_test_timeout();
   61: 
   62:   /* try a single wakeup */
   63: 
   64:   multi_wakeup(multi);
   65: 
   66:   time_before_wait = tutil_tvnow();
   67:   multi_poll(multi, NULL, 0, 1000, &numfds);
   68:   time_after_wait = tutil_tvnow();
   69: 
   70:   if(tutil_tvdiff(time_after_wait, time_before_wait) > 500) {
   71:     fprintf(stderr, "%s:%d curl_multi_poll returned too late\n",
   72:             __FILE__, __LINE__);
   73:     res = TEST_ERR_MAJOR_BAD;
   74:     goto test_cleanup;
   75:   }
   76: 
   77:   abort_on_test_timeout();
   78: 
   79:   /* previous wakeup should not wake up this */
   80: 
   81:   time_before_wait = tutil_tvnow();
   82:   multi_poll(multi, NULL, 0, 1000, &numfds);
   83:   time_after_wait = tutil_tvnow();
   84: 
   85:   if(tutil_tvdiff(time_after_wait, time_before_wait) < 500) {
   86:     fprintf(stderr, "%s:%d curl_multi_poll returned too early\n",
   87:             __FILE__, __LINE__);
   88:     res = TEST_ERR_MAJOR_BAD;
   89:     goto test_cleanup;
   90:   }
   91: 
   92:   abort_on_test_timeout();
   93: 
   94:   /* try lots of wakeup */
   95: 
   96:   for(i = 0; i < WAKEUP_NUM; ++i)
   97:     multi_wakeup(multi);
   98: 
   99:   time_before_wait = tutil_tvnow();
  100:   multi_poll(multi, NULL, 0, 1000, &numfds);
  101:   time_after_wait = tutil_tvnow();
  102: 
  103:   if(tutil_tvdiff(time_after_wait, time_before_wait) > 500) {
  104:     fprintf(stderr, "%s:%d curl_multi_poll returned too late\n",
  105:             __FILE__, __LINE__);
  106:     res = TEST_ERR_MAJOR_BAD;
  107:     goto test_cleanup;
  108:   }
  109: 
  110:   abort_on_test_timeout();
  111: 
  112: #if !defined(WIN32) && !defined(_WIN32) && !defined(__WIN32__) \
  113:     && !defined(__CYGWIN__)
  114:   /* Even lots of previous wakeups should not wake up this.
  115: 
  116:      On Windows (particularly when using MinGW), the socketpair
  117:      used for curl_multi_wakeup() is really asynchronous,
  118:      meaning when it's called a lot, it can take some time
  119:      before all of the data can be read. Sometimes it can wake
  120:      up more than one curl_multi_poll() call. */
  121: 
  122:   time_before_wait = tutil_tvnow();
  123:   multi_poll(multi, NULL, 0, 1000, &numfds);
  124:   time_after_wait = tutil_tvnow();
  125: 
  126:   if(tutil_tvdiff(time_after_wait, time_before_wait) < 500) {
  127:     fprintf(stderr, "%s:%d curl_multi_poll returned too early\n",
  128:             __FILE__, __LINE__);
  129:     res = TEST_ERR_MAJOR_BAD;
  130:     goto test_cleanup;
  131:   }
  132: 
  133:   abort_on_test_timeout();
  134: #endif
  135: 
  136: test_cleanup:
  137: 
  138:   curl_multi_cleanup(multi);
  139:   curl_global_cleanup();
  140: 
  141:   return res;
  142: }