tests/test-split.c

   1 /* nbdkit
   2  * Copyright (C) 2017-2019 Red Hat Inc.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  * * Redistributions of source code must retain the above copyright
   9  * notice, this list of conditions and the following disclaimer.
  10  *
  11  * * Redistributions in binary form must reproduce the above copyright
  12  * notice, this list of conditions and the following disclaimer in the
  13  * documentation and/or other materials provided with the distribution.
  14  *
  15  * * Neither the name of Red Hat nor the names of its contributors may be
  16  * used to endorse or promote products derived from this software without
  17  * specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY RED HAT AND CONTRIBUTORS ''AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  21  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  22  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL RED HAT OR
  23  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  24  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  25  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  26  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  27  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  28  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  29  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30  * SUCH DAMAGE.
  31  */
  32
  33 #include <config.h>
  34
  35 #include <stdio.h>
  36 #include <stdlib.h>
  37 #include <string.h>
  38
  39 #include <libnbd.h>
  40
  41 int
  42 main (int argc, char *argv[])
  43 {
  44   struct nbd_handle *nbd;
  45   char data[8*512];
  46   size_t i;
  47
  48   nbd = nbd_create ();
  49   if (nbd == NULL) {
  50     fprintf (stderr, "%s\n", nbd_get_error ());
  51     exit (EXIT_FAILURE);
  52   }
  53
  54   char *args[] = {
  55     "nbdkit", "-s", "--exit-with-parent",
  56     "split", "split1", "split2", "file=split3" /* leave file= to test */,
  57     NULL
  58   };
  59   if (nbd_connect_command (nbd, args) == -1) {
  60     fprintf (stderr, "%s\n", nbd_get_error ());
  61     exit (EXIT_FAILURE);
  62   }
  63
  64   /* Check the data in the file is \x01-\x08 repeated 512 times. */
  65   if (nbd_pread (nbd, data, sizeof data, 0, 0) == -1) {
  66     fprintf (stderr, "%s\n", nbd_get_error ());
  67     exit (EXIT_FAILURE);
  68   }
  69
  70   for (i = 0; i < 512 * 8; i += 8) {
  71     if (data[i] != 1 || data[i+1] != 2 ||
  72         data[i+2] != 3 || data[i+3] != 4 ||
  73         data[i+4] != 5 || data[i+5] != 6 ||
  74         data[i+6] != 7 || data[i+7] != 8) {
  75       fprintf (stderr, "%s FAILED: unexpected data returned at offset %zu\n",
  76                argv[0], i);
  77       exit (EXIT_FAILURE);
  78     }
  79   }
  80
  81   nbd_close (nbd);
  82   exit (EXIT_SUCCESS);
  83 }