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    1: /***************************************************************************
    2:  *                                  _   _ ____  _
    3:  *  Project                     ___| | | |  _ \| |
    4:  *                             / __| | | | |_) | |
    5:  *                            | (__| |_| |  _ <| |___
    6:  *                             \___|\___/|_| \_\_____|
    7:  *
    8:  * Copyright (C) 1998 - 2011, 2017, 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: /* used for test case 533, 534 and 535 */
   23: 
   24: #include "test.h"
   25: 
   26: #include <fcntl.h>
   27: 
   28: #include "testutil.h"
   29: #include "warnless.h"
   30: #include "memdebug.h"
   31: 
   32: #define TEST_HANG_TIMEOUT 60 * 1000
   33: 
   34: int test(char *URL)
   35: {
   36:   int res = 0;
   37:   CURL *curl = NULL;
   38:   int running;
   39:   CURLM *m = NULL;
   40:   int current = 0;
   41: 
   42:   start_test_timing();
   43: 
   44:   global_init(CURL_GLOBAL_ALL);
   45: 
   46:   easy_init(curl);
   47: 
   48:   easy_setopt(curl, CURLOPT_URL, URL);
   49:   easy_setopt(curl, CURLOPT_VERBOSE, 1L);
   50:   easy_setopt(curl, CURLOPT_FAILONERROR, 1L);
   51: 
   52:   multi_init(m);
   53: 
   54:   multi_add_handle(m, curl);
   55: 
   56:   fprintf(stderr, "Start at URL 0\n");
   57: 
   58:   for(;;) {
   59:     struct timeval interval;
   60:     fd_set rd, wr, exc;
   61:     int maxfd = -99;
   62: 
   63:     interval.tv_sec = 1;
   64:     interval.tv_usec = 0;
   65: 
   66:     multi_perform(m, &running);
   67: 
   68:     abort_on_test_timeout();
   69: 
   70:     if(!running) {
   71:       if(!current++) {
   72:         fprintf(stderr, "Advancing to URL 1\n");
   73:         /* remove the handle we use */
   74:         curl_multi_remove_handle(m, curl);
   75: 
   76:         /* make us re-use the same handle all the time, and try resetting
   77:            the handle first too */
   78:         curl_easy_reset(curl);
   79:         easy_setopt(curl, CURLOPT_URL, libtest_arg2);
   80:         easy_setopt(curl, CURLOPT_VERBOSE, 1L);
   81:         easy_setopt(curl, CURLOPT_FAILONERROR, 1L);
   82: 
   83:         /* re-add it */
   84:         multi_add_handle(m, curl);
   85:       }
   86:       else
   87:         break; /* done */
   88:     }
   89: 
   90:     FD_ZERO(&rd);
   91:     FD_ZERO(&wr);
   92:     FD_ZERO(&exc);
   93: 
   94:     multi_fdset(m, &rd, &wr, &exc, &maxfd);
   95: 
   96:     /* At this point, maxfd is guaranteed to be greater or equal than -1. */
   97: 
   98:     select_test(maxfd + 1, &rd, &wr, &exc, &interval);
   99: 
  100:     abort_on_test_timeout();
  101:   }
  102: 
  103: test_cleanup:
  104: 
  105:   /* undocumented cleanup sequence - type UB */
  106: 
  107:   curl_easy_cleanup(curl);
  108:   curl_multi_cleanup(m);
  109:   curl_global_cleanup();
  110: 
  111:   return res;
  112: }