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      1 /***************************************************************************
      2  *                                  _   _ ____  _
      3  *  Project                     ___| | | |  _ \| |
      4  *                             / __| | | | |_) | |
      5  *                            | (__| |_| |  _ <| |___
      6  *                             \___|\___/|_| \_\_____|
      7  *
      8  * Copyright (C) 2013, Linus Nielsen Feltzing <linus (at) haxx.se>
      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 http://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 #define NUM_HANDLES 4
     31 
     32 int test(char *URL)
     33 {
     34   int res = 0;
     35   CURL *curl[NUM_HANDLES] = {0};
     36   int running;
     37   CURLM *m = NULL;
     38   int i;
     39   char target_url[256];
     40   char dnsentry[256];
     41   struct curl_slist *slist = NULL, *slist2;
     42   char *port = libtest_arg3;
     43   char *address = libtest_arg2;
     44 
     45   (void)URL;
     46 
     47   /* Create fake DNS entries for serverX.example.com for all handles */
     48   for(i=0; i < NUM_HANDLES; i++) {
     49     sprintf(dnsentry, "server%d.example.com:%s:%s", i + 1, port, address);
     50     printf("%s\n", dnsentry);
     51     slist2 = curl_slist_append(slist, dnsentry);
     52     if(!slist2) {
     53       fprintf(stderr, "curl_slist_append() failed\n");
     54       goto test_cleanup;
     55     }
     56     slist = slist2;
     57   }
     58 
     59   start_test_timing();
     60 
     61   global_init(CURL_GLOBAL_ALL);
     62 
     63   multi_init(m);
     64 
     65   multi_setopt(m, CURLMOPT_MAXCONNECTS, 3L);
     66 
     67   /* get NUM_HANDLES easy handles */
     68   for(i=0; i < NUM_HANDLES; i++) {
     69     /* get an easy handle */
     70     easy_init(curl[i]);
     71     /* specify target */
     72     sprintf(target_url, "http://server%d.example.com:%s/path/1506%04i",
     73             i + 1, port, i + 1);
     74     target_url[sizeof(target_url) - 1] = '\0';
     75     easy_setopt(curl[i], CURLOPT_URL, target_url);
     76     /* go verbose */
     77     easy_setopt(curl[i], CURLOPT_VERBOSE, 1L);
     78     /* include headers */
     79     easy_setopt(curl[i], CURLOPT_HEADER, 1L);
     80 
     81     easy_setopt(curl[i], CURLOPT_RESOLVE, slist);
     82   }
     83 
     84   fprintf(stderr, "Start at URL 0\n");
     85 
     86   for(i=0; i < NUM_HANDLES; i++) {
     87     /* add handle to multi */
     88     multi_add_handle(m, curl[i]);
     89 
     90     for(;;) {
     91       struct timeval interval;
     92       fd_set rd, wr, exc;
     93       int maxfd = -99;
     94 
     95       interval.tv_sec = 1;
     96       interval.tv_usec = 0;
     97 
     98       multi_perform(m, &running);
     99 
    100       abort_on_test_timeout();
    101 
    102       if(!running)
    103         break; /* done */
    104 
    105       FD_ZERO(&rd);
    106       FD_ZERO(&wr);
    107       FD_ZERO(&exc);
    108 
    109       multi_fdset(m, &rd, &wr, &exc, &maxfd);
    110 
    111       /* At this point, maxfd is guaranteed to be greater or equal than -1. */
    112 
    113       select_test(maxfd+1, &rd, &wr, &exc, &interval);
    114 
    115       abort_on_test_timeout();
    116     }
    117     wait_ms(1); /* to ensure different end times */
    118   }
    119 
    120 test_cleanup:
    121 
    122   /* proper cleanup sequence - type PB */
    123 
    124   for(i=0; i < NUM_HANDLES; i++) {
    125     curl_multi_remove_handle(m, curl[i]);
    126     curl_easy_cleanup(curl[i]);
    127   }
    128 
    129   curl_slist_free_all(slist);
    130 
    131   curl_multi_cleanup(m);
    132   curl_global_cleanup();
    133 
    134   return res;
    135 }
    136