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curl

    1: /***************************************************************************
    2:  *                                  _   _ ____  _
    3:  *  Project                     ___| | | |  _ \| |
    4:  *                             / __| | | | |_) | |
    5:  *                            | (__| |_| |  _ <| |___
    6:  *                             \___|\___/|_| \_\_____|
    7:  *
    8:  * Copyright (C) 1998 - 2019, 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: #ifdef HAVE_PTHREAD_H
   29: #include <pthread.h>
   30: #include <unistd.h>
   31: 
   32: #define TEST_HANG_TIMEOUT 60 * 1000
   33: #define CONN_NUM 3
   34: #define TIME_BETWEEN_START_SECS 2
   35: 
   36: static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
   37: static CURL *pending_handles[CONN_NUM];
   38: static int pending_num = 0;
   39: static int test_failure = 0;
   40: 
   41: static CURLM *multi = NULL;
   42: static const char *url;
   43: 
   44: static void *run_thread(void *ptr)
   45: {
   46:   CURL *easy = NULL;
   47:   int res = 0;
   48:   int i;
   49: 
   50:   (void)ptr;
   51: 
   52:   for(i = 0; i < CONN_NUM; i++) {
   53:     sleep(TIME_BETWEEN_START_SECS);
   54: 
   55:     easy_init(easy);
   56: 
   57:     easy_setopt(easy, CURLOPT_URL, url);
   58:     easy_setopt(easy, CURLOPT_VERBOSE, 0L);
   59: 
   60:     pthread_mutex_lock(&lock);
   61: 
   62:     if(test_failure) {
   63:       pthread_mutex_unlock(&lock);
   64:       goto test_cleanup;
   65:     }
   66: 
   67:     pending_handles[pending_num] = easy;
   68:     pending_num++;
   69:     easy = NULL;
   70: 
   71:     pthread_mutex_unlock(&lock);
   72: 
   73:     multi_wakeup(multi);
   74:   }
   75: 
   76: test_cleanup:
   77: 
   78:   curl_easy_cleanup(easy);
   79: 
   80:   pthread_mutex_lock(&lock);
   81: 
   82:   if(!test_failure)
   83:     test_failure = res;
   84: 
   85:   pthread_mutex_unlock(&lock);
   86: 
   87:   return NULL;
   88: }
   89: 
   90: int test(char *URL)
   91: {
   92:   int still_running;
   93:   int num;
   94:   int i;
   95:   int res = 0;
   96:   CURL *started_handles[CONN_NUM];
   97:   int started_num = 0;
   98:   int finished_num = 0;
   99:   pthread_t tid = 0;
  100:   struct CURLMsg *message;
  101: 
  102:   start_test_timing();
  103: 
  104:   global_init(CURL_GLOBAL_ALL);
  105: 
  106:   multi_init(multi);
  107: 
  108:   url = URL;
  109: 
  110:   res = pthread_create(&tid, NULL, run_thread, NULL);
  111:   if(0 != res) {
  112:     fprintf(stderr, "%s:%d Couldn't create thread, errno %d\n",
  113:             __FILE__, __LINE__, res);
  114:     goto test_cleanup;
  115:   }
  116: 
  117:   while(1) {
  118:     multi_perform(multi, &still_running);
  119: 
  120:     abort_on_test_timeout();
  121: 
  122:     while((message = curl_multi_info_read(multi, &num)) != NULL) {
  123:       if(message->msg == CURLMSG_DONE) {
  124:         res = message->data.result;
  125:         if(res)
  126:           goto test_cleanup;
  127:         multi_remove_handle(multi, message->easy_handle);
  128:         finished_num++;
  129:       }
  130:       else {
  131:         fprintf(stderr, "%s:%d Got an unexpected message from curl: %i\n",
  132:               __FILE__, __LINE__, (int)message->msg);
  133:         res = TEST_ERR_MAJOR_BAD;
  134:         goto test_cleanup;
  135:       }
  136: 
  137:       abort_on_test_timeout();
  138:     }
  139: 
  140:     if(CONN_NUM == finished_num)
  141:       break;
  142: 
  143:     multi_poll(multi, NULL, 0, TEST_HANG_TIMEOUT, &num);
  144: 
  145:     abort_on_test_timeout();
  146: 
  147:     pthread_mutex_lock(&lock);
  148: 
  149:     while(pending_num > 0) {
  150:       res_multi_add_handle(multi, pending_handles[pending_num - 1]);
  151:       if(res) {
  152:         pthread_mutex_unlock(&lock);
  153:         goto test_cleanup;
  154:       }
  155: 
  156:       started_handles[started_num] = pending_handles[pending_num - 1];
  157:       started_num++;
  158:       pending_num--;
  159:     }
  160: 
  161:     pthread_mutex_unlock(&lock);
  162: 
  163:     abort_on_test_timeout();
  164:   }
  165: 
  166:   if(CONN_NUM != started_num) {
  167:     fprintf(stderr, "%s:%d Not all connections started: %d of %d\n",
  168:             __FILE__, __LINE__, started_num, CONN_NUM);
  169:     goto test_cleanup;
  170:   }
  171: 
  172:   if(CONN_NUM != finished_num) {
  173:     fprintf(stderr, "%s:%d Not all connections finished: %d of %d\n",
  174:             __FILE__, __LINE__, started_num, CONN_NUM);
  175:     goto test_cleanup;
  176:   }
  177: 
  178: test_cleanup:
  179: 
  180:   pthread_mutex_lock(&lock);
  181:   if(!test_failure)
  182:     test_failure = res;
  183:   pthread_mutex_unlock(&lock);
  184: 
  185:   if(0 != tid)
  186:     pthread_join(tid, NULL);
  187: 
  188:   curl_multi_cleanup(multi);
  189:   for(i = 0; i < pending_num; i++)
  190:     curl_easy_cleanup(pending_handles[i]);
  191:   for(i = 0; i < started_num; i++)
  192:     curl_easy_cleanup(started_handles[i]);
  193:   curl_global_cleanup();
  194: 
  195:   return test_failure;
  196: }
  197: 
  198: #else /* without pthread, this test doesn't work */
  199: int test(char *URL)
  200: {
  201:   (void)URL;
  202:   return 0;
  203: }
  204: #endif