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    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: 
   30: /*
   31:  * Get a single URL without select().
   32:  */
   33: 
   34: int test(char *URL)
   35: {
   36:   CURL *c = NULL;
   37:   CURLM *m = NULL;
   38:   int res = 0;
   39:   int running;
   40: 
   41:   start_test_timing();
   42: 
   43:   global_init(CURL_GLOBAL_ALL);
   44: 
   45:   easy_init(c);
   46: 
   47:   easy_setopt(c, CURLOPT_URL, URL);
   48: 
   49:   multi_init(m);
   50: 
   51:   multi_add_handle(m, c);
   52: 
   53:   for(;;) {
   54:     struct timeval timeout;
   55:     fd_set fdread, fdwrite, fdexcep;
   56:     int maxfd = -99;
   57: 
   58:     timeout.tv_sec = 0;
   59:     timeout.tv_usec = 100000L; /* 100 ms */
   60: 
   61:     multi_perform(m, &running);
   62: 
   63:     abort_on_test_timeout();
   64: 
   65:     if(!running)
   66:       break; /* done */
   67: 
   68:     FD_ZERO(&fdread);
   69:     FD_ZERO(&fdwrite);
   70:     FD_ZERO(&fdexcep);
   71: 
   72:     multi_fdset(m, &fdread, &fdwrite, &fdexcep, &maxfd);
   73: 
   74:     /* At this point, maxfd is guaranteed to be greater or equal than -1. */
   75: 
   76:     select_test(maxfd + 1, &fdread, &fdwrite, &fdexcep, &timeout);
   77: 
   78:     abort_on_test_timeout();
   79:   }
   80: 
   81: test_cleanup:
   82: 
   83:   /* proper cleanup sequence - type PA */
   84: 
   85:   curl_multi_remove_handle(m, c);
   86:   curl_multi_cleanup(m);
   87:   curl_easy_cleanup(c);
   88:   curl_global_cleanup();
   89: 
   90:   return res;
   91: }