tests/test-file.c

   1 /* nbdkit
   2  * Copyright (C) 2013 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 ("file", "file-data", NULL) == -1)
  55     exit (EXIT_FAILURE);
  56
  57   g = guestfs_create ();
  58   if (g == NULL) {
  59     perror ("guestfs_create");
  60     exit (EXIT_FAILURE);
  61   }
  62
  63   r = guestfs_add_drive_opts (g, "",
  64                               GUESTFS_ADD_DRIVE_OPTS_FORMAT, "raw",
  65                               GUESTFS_ADD_DRIVE_OPTS_PROTOCOL, "nbd",
  66                               GUESTFS_ADD_DRIVE_OPTS_SERVER, server,
  67                               -1);
  68   if (r == -1)
  69     exit (EXIT_FAILURE);
  70
  71   if (guestfs_launch (g) == -1)
  72     exit (EXIT_FAILURE);
  73
  74   /* Check the data in the file is \x01-\x08 repeated 512 times. */
  75   data = guestfs_pread_device (g, "/dev/sda", 8 * 512, 0, &size);
  76   if (!data)
  77     exit (EXIT_FAILURE);
  78   if (size != 8 * 512) {
  79     fprintf (stderr,
  80              "%s FAILED: unexpected size (actual: %zu, expected: 512)\n",
  81              program_name, size);
  82     exit (EXIT_FAILURE);
  83   }
  84
  85   for (i = 0; i < 512 * 8; i += 8) {
  86     if (data[i] != 1 || data[i+1] != 2 ||
  87         data[i+2] != 3 || data[i+3] != 4 ||
  88         data[i+4] != 5 || data[i+5] != 6 ||
  89         data[i+6] != 7 || data[i+7] != 8) {
  90       fprintf (stderr, "%s FAILED: unexpected data returned at offset %zu\n",
  91                program_name, i);
  92       exit (EXIT_FAILURE);
  93     }
  94   }
  95
  96   free (data);
  97
  98   guestfs_close (g);
  99   exit (EXIT_SUCCESS);
 100 }