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      1 /***************************************************************************
      2  *                                  _   _ ____  _
      3  *  Project                     ___| | | |  _ \| |
      4  *                             / __| | | | |_) | |
      5  *                            | (__| |_| |  _ <| |___
      6  *                             \___|\___/|_| \_\_____|
      7  *
      8  * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel (at) 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 /*
     29  * This is the list of basic details you need to tweak to get things right.
     30  */
     31 #define USERNAME "user (at) example.com"
     32 #define PASSWORD "123qwerty"
     33 #define RECIPIENT "<1507-recipient (at) example.com>"
     34 #define MAILFROM "<1507-realuser (at) example.com>"
     35 
     36 #define MULTI_PERFORM_HANG_TIMEOUT 60 * 1000
     37 
     38 static size_t read_callback(void *ptr, size_t size, size_t nmemb, void *userp)
     39 {
     40   (void)ptr;
     41   (void)size;
     42   (void)nmemb;
     43   (void)userp;
     44   return CURL_READFUNC_ABORT;
     45 }
     46 
     47 int test(char *URL)
     48 {
     49    int res = 0;
     50    CURL *curl = NULL;
     51    CURLM *mcurl = NULL;
     52    int still_running = 1;
     53    struct timeval mp_start;
     54    struct curl_slist *rcpt_list = NULL;
     55 
     56    curl_global_init(CURL_GLOBAL_DEFAULT);
     57 
     58    easy_init(curl);
     59 
     60    multi_init(mcurl);
     61 
     62    rcpt_list = curl_slist_append(rcpt_list, RECIPIENT);
     63    /* more addresses can be added here
     64       rcpt_list = curl_slist_append(rcpt_list, "<others (at) example.com>");
     65    */
     66 
     67    curl_easy_setopt(curl, CURLOPT_URL, URL);
     68 #if 0
     69    curl_easy_setopt(curl, CURLOPT_USERNAME, USERNAME);
     70    curl_easy_setopt(curl, CURLOPT_PASSWORD, PASSWORD);
     71 #endif
     72    curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L);
     73    curl_easy_setopt(curl, CURLOPT_READFUNCTION, read_callback);
     74    curl_easy_setopt(curl, CURLOPT_MAIL_FROM, MAILFROM);
     75    curl_easy_setopt(curl, CURLOPT_MAIL_RCPT, rcpt_list);
     76    curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
     77    multi_add_handle(mcurl, curl);
     78 
     79    mp_start = tutil_tvnow();
     80 
     81   /* we start some action by calling perform right away */
     82   curl_multi_perform(mcurl, &still_running);
     83 
     84   while(still_running) {
     85     struct timeval timeout;
     86     int rc; /* select() return code */
     87 
     88     fd_set fdread;
     89     fd_set fdwrite;
     90     fd_set fdexcep;
     91     int maxfd = -1;
     92 
     93     long curl_timeo = -1;
     94 
     95     FD_ZERO(&fdread);
     96     FD_ZERO(&fdwrite);
     97     FD_ZERO(&fdexcep);
     98 
     99     /* set a suitable timeout to play around with */
    100     timeout.tv_sec = 1;
    101     timeout.tv_usec = 0;
    102 
    103     curl_multi_timeout(mcurl, &curl_timeo);
    104     if(curl_timeo >= 0) {
    105       timeout.tv_sec = curl_timeo / 1000;
    106       if(timeout.tv_sec > 1)
    107         timeout.tv_sec = 1;
    108       else
    109         timeout.tv_usec = (curl_timeo % 1000) * 1000;
    110     }
    111 
    112     /* get file descriptors from the transfers */
    113     curl_multi_fdset(mcurl, &fdread, &fdwrite, &fdexcep, &maxfd);
    114 
    115     /* In a real-world program you OF COURSE check the return code of the
    116        function calls.  On success, the value of maxfd is guaranteed to be
    117        greater or equal than -1.  We call select(maxfd + 1, ...), specially in
    118        case of (maxfd == -1), we call select(0, ...), which is basically equal
    119        to sleep. */
    120 
    121     rc = select(maxfd + 1, &fdread, &fdwrite, &fdexcep, &timeout);
    122 
    123     if(tutil_tvdiff(tutil_tvnow(), mp_start) > MULTI_PERFORM_HANG_TIMEOUT) {
    124       fprintf(stderr, "ABORTING TEST, since it seems "
    125               "that it would have run forever.\n");
    126       break;
    127     }
    128 
    129     switch(rc) {
    130     case -1:
    131       /* select error */
    132       break;
    133     case 0: /* timeout */
    134     default: /* action */
    135       curl_multi_perform(mcurl, &still_running);
    136       break;
    137     }
    138   }
    139 
    140 test_cleanup:
    141 
    142   curl_slist_free_all(rcpt_list);
    143   curl_multi_remove_handle(mcurl, curl);
    144   curl_multi_cleanup(mcurl);
    145   curl_easy_cleanup(curl);
    146   curl_global_cleanup();
    147 
    148   return res;
    149 }
    150 
    151 
    152