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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 "memdebug.h"
     25 
     26 static char data[]="this is what we post to the silly web server\n";
     27 
     28 struct WriteThis {
     29   char *readptr;
     30   size_t sizeleft;
     31 };
     32 
     33 static size_t read_callback(void *ptr, size_t size, size_t nmemb, void *userp)
     34 {
     35   struct WriteThis *pooh = (struct WriteThis *)userp;
     36   size_t tocopy = size * nmemb;
     37 
     38   /* Wait one second before return POST data          *
     39    * so libcurl will wait before sending request body */
     40   wait_ms(1000);
     41 
     42   if(tocopy < 1 || !pooh->sizeleft)
     43     return 0;
     44 
     45   if(pooh->sizeleft < tocopy)
     46     tocopy = pooh->sizeleft;
     47 
     48   memcpy(ptr, pooh->readptr, tocopy);/* copy requested data */
     49   pooh->readptr += tocopy;           /* advance pointer */
     50   pooh->sizeleft -= tocopy;          /* less data left */
     51   return tocopy;
     52 }
     53 
     54 int test(char *URL)
     55 {
     56   CURL *curl;
     57   CURLcode res = CURLE_OK;
     58 
     59   struct WriteThis pooh;
     60 
     61   pooh.readptr = data;
     62   pooh.sizeleft = strlen(data);
     63 
     64   if(curl_global_init(CURL_GLOBAL_ALL)) {
     65     fprintf(stderr, "curl_global_init() failed\n");
     66     return TEST_ERR_MAJOR_BAD;
     67   }
     68 
     69   curl = curl_easy_init();
     70   if(!curl) {
     71     fprintf(stderr, "curl_easy_init() failed\n");
     72     curl_global_cleanup();
     73     return TEST_ERR_MAJOR_BAD;
     74   }
     75 
     76   /* First set the URL that is about to receive our POST. */
     77   test_setopt(curl, CURLOPT_URL, URL);
     78 
     79   /* Now specify we want to POST data */
     80   test_setopt(curl, CURLOPT_POST, 1L);
     81 
     82 #ifdef CURL_DOES_CONVERSIONS
     83   /* Convert the POST data to ASCII */
     84   test_setopt(curl, CURLOPT_TRANSFERTEXT, 1L);
     85 #endif
     86 
     87   /* Set the expected POST size */
     88   test_setopt(curl, CURLOPT_POSTFIELDSIZE, (long)pooh.sizeleft);
     89 
     90   /* we want to use our own read function */
     91   test_setopt(curl, CURLOPT_READFUNCTION, read_callback);
     92 
     93   /* pointer to pass to our read function */
     94   test_setopt(curl, CURLOPT_READDATA, &pooh);
     95 
     96   /* get verbose debug output please */
     97   test_setopt(curl, CURLOPT_VERBOSE, 1L);
     98 
     99   /* include headers in the output */
    100   test_setopt(curl, CURLOPT_HEADER, 1L);
    101 
    102   /* detect HTTP error codes >= 400 */
    103   /* test_setopt(curl, CURLOPT_FAILONERROR, 1L); */
    104 
    105 
    106   /* Perform the request, res will get the return code */
    107   res = curl_easy_perform(curl);
    108 
    109 test_cleanup:
    110 
    111   /* always cleanup */
    112   curl_easy_cleanup(curl);
    113   curl_global_cleanup();
    114 
    115   return res;
    116 }
    117