tests/test-newstyle.c

   1 /* nbdkit
   2  * Copyright (C) 2013-2016 Red Hat Inc.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions are
   7  * met:
   8  *
   9  * * Redistributions of source code must retain the above copyright
  10  * notice, this list of conditions and the following disclaimer.
  11  *
  12  * * Redistributions in binary form must reproduce the above copyright
  13  * notice, this list of conditions and the following disclaimer in the
  14  * documentation and/or other materials provided with the distribution.
  15  *
  16  * * Neither the name of Red Hat nor the names of its contributors may be
  17  * used to endorse or promote products derived from this software without
  18  * specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY RED HAT AND CONTRIBUTORS ''AS IS'' AND
  21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  22  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  23  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL RED HAT OR
  24  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  25  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  26  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  27  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  28  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  29  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  30  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33
  34 #include <config.h>
  35
  36 #include <stdio.h>
  37 #include <stdlib.h>
  38 #include <stdint.h>
  39 #include <inttypes.h>
  40 #include <string.h>
  41 #include <unistd.h>
  42
  43 #include <guestfs.h>
  44
  45 #include "test.h"
  46
  47 #define EXPORTNAME "/"
  48
  49 int
  50 main (int argc, char *argv[])
  51 {
  52   guestfs_h *g;
  53   int r;
  54   char *data;
  55   size_t i, size;
  56
  57   if (test_start_nbdkit ("-e", EXPORTNAME,
  58                          "-n", NBDKIT_PLUGIN ("file"), "file=file-data",
  59                          NULL) == -1)
  60     exit (EXIT_FAILURE);
  61
  62   g = guestfs_create ();
  63   if (g == NULL) {
  64     perror ("guestfs_create");
  65     exit (EXIT_FAILURE);
  66   }
  67
  68   /* Using any exportname causes qemu to use the newstyle protocol. */
  69   r = guestfs_add_drive_opts (g, EXPORTNAME,
  70                               GUESTFS_ADD_DRIVE_OPTS_FORMAT, "raw",
  71                               GUESTFS_ADD_DRIVE_OPTS_PROTOCOL, "nbd",
  72                               GUESTFS_ADD_DRIVE_OPTS_SERVER, server,
  73                               -1);
  74   if (r == -1)
  75     exit (EXIT_FAILURE);
  76
  77   if (guestfs_launch (g) == -1)
  78     exit (EXIT_FAILURE);
  79
  80   /* Check the data in the file is \x01-\x08 repeated 512 times. */
  81   data = guestfs_pread_device (g, "/dev/sda", 8 * 512, 0, &size);
  82   if (!data)
  83     exit (EXIT_FAILURE);
  84   if (size != 8 * 512) {
  85     fprintf (stderr, "%s FAILED: unexpected size (actual: %zu, expected: 512)\n",
  86              program_name, size);
  87     exit (EXIT_FAILURE);
  88   }
  89
  90   for (i = 0; i < 512 * 8; i += 8) {
  91     if (data[i] != 1 || data[i+1] != 2 ||
  92         data[i+2] != 3 || data[i+3] != 4 ||
  93         data[i+4] != 5 || data[i+5] != 6 ||
  94         data[i+6] != 7 || data[i+7] != 8) {
  95       fprintf (stderr, "%s FAILED: unexpected data returned at offset %zu\n",
  96                program_name, i);
  97       exit (EXIT_FAILURE);
  98     }
  99   }
 100
 101   free (data);
 102
 103   guestfs_close (g);
 104   exit (EXIT_SUCCESS);
 105 }