tests/test-split.c

   1 /* nbdkit
   2  * Copyright (C) 2017 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 <stdint.h>
  38 #include <inttypes.h>
  39 #include <string.h>
  40 #include <unistd.h>
  41
  42 #include <guestfs.h>
  43
  44 #include "test.h"
  45
  46 int
  47 main (int argc, char *argv[])
  48 {
  49   guestfs_h *g;
  50   int r;
  51   char *data;
  52   size_t i, size;
  53
  54   if (test_start_nbdkit ("split",
  55                          "split1", "split2",
  56                          "file=split3" /* leave file= to test */,
  57                          NULL) == -1)
  58     exit (EXIT_FAILURE);
  59
  60   g = guestfs_create ();
  61   if (g == NULL) {
  62     perror ("guestfs_create");
  63     exit (EXIT_FAILURE);
  64   }
  65
  66   r = guestfs_add_drive_opts (g, "",
  67                               GUESTFS_ADD_DRIVE_OPTS_FORMAT, "raw",
  68                               GUESTFS_ADD_DRIVE_OPTS_PROTOCOL, "nbd",
  69                               GUESTFS_ADD_DRIVE_OPTS_SERVER, server,
  70                               -1);
  71   if (r == -1)
  72     exit (EXIT_FAILURE);
  73
  74   if (guestfs_launch (g) == -1)
  75     exit (EXIT_FAILURE);
  76
  77   /* Check the data in the file is \x01-\x08 repeated 512 times. */
  78   data = guestfs_pread_device (g, "/dev/sda", 8 * 512, 0, &size);
  79   if (!data)
  80     exit (EXIT_FAILURE);
  81   if (size != 8 * 512) {
  82     fprintf (stderr,
  83              "%s FAILED: unexpected size "
  84              "(actual: %zu, expected: 512)\n",
  85              program_name, size);
  86     exit (EXIT_FAILURE);
  87   }
  88
  89   for (i = 0; i < 512 * 8; i += 8) {
  90     if (data[i] != 1 || data[i+1] != 2 ||
  91         data[i+2] != 3 || data[i+3] != 4 ||
  92         data[i+4] != 5 || data[i+5] != 6 ||
  93         data[i+6] != 7 || data[i+7] != 8) {
  94       fprintf (stderr, "%s FAILED: unexpected data returned at offset %zu\n",
  95                program_name, i);
  96       exit (EXIT_FAILURE);
  97     }
  98   }
  99
 100   free (data);
 101
 102   guestfs_close (g);
 103   exit (EXIT_SUCCESS);
 104 }