tests/test-ocaml.c

   1 /* nbdkit
   2  * Copyright Red Hat
   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   int64_t size;
  52   char *data;
  53
  54   if (test_start_nbdkit ("./test-ocaml-plugin.so",
  55                          /* ordinary parameters */
  56                          "a=1", "b=2", "c=3",
  57                          /* magic config key, so equivalent to d=4 */
  58                          "4",
  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   r = guestfs_add_drive_opts (g, "",
  69                               GUESTFS_ADD_DRIVE_OPTS_FORMAT, "raw",
  70                               GUESTFS_ADD_DRIVE_OPTS_PROTOCOL, "nbd",
  71                               GUESTFS_ADD_DRIVE_OPTS_SERVER, server,
  72                               -1);
  73   if (r == -1)
  74     exit (EXIT_FAILURE);
  75
  76   if (guestfs_launch (g) == -1)
  77     exit (EXIT_FAILURE);
  78
  79   /* Check the size is exactly 1M. */
  80   size = guestfs_blockdev_getsize64 (g, "/dev/sda");
  81   if (size != 1024 * 1024) {
  82     fprintf (stderr, "%s FAILED: unexpected size "
  83              "(actual: %" PRIi64 ", expected: %d)\n",
  84              program_name, size, 1024*1024);
  85     exit (EXIT_FAILURE);
  86   }
  87
  88   if (guestfs_part_disk (g, "/dev/sda", "mbr") == -1)
  89     exit (EXIT_FAILURE);
  90   if (guestfs_mkfs (g, "ext2", "/dev/sda1") == -1)
  91     exit (EXIT_FAILURE);
  92
  93   if (guestfs_mount_options (g, "discard", "/dev/sda1", "/") == -1)
  94     exit (EXIT_FAILURE);
  95
  96 #define filename "/hello.txt"
  97 #define content "hello, people of the world"
  98
  99   if (guestfs_write (g, filename, content, strlen (content)) == -1)
 100     exit (EXIT_FAILURE);
 101
 102   data = guestfs_cat (g, filename);
 103   if (!data)
 104     exit (EXIT_FAILURE);
 105
 106   if (strcmp (data, content) != 0) {
 107     fprintf (stderr,
 108              "%s FAILED: unexpected content of %s file "
 109              "(actual: %s, expected: %s)\n",
 110              program_name, filename, data, content);
 111     exit (EXIT_FAILURE);
 112   }
 113   free (data);
 114
 115   /* Run sync to test flush path. */
 116   if (guestfs_sync (g) == -1)
 117     exit (EXIT_FAILURE);
 118
 119   /* Run fstrim to test trim path.  However only recent versions of
 120    * libguestfs have this, and it probably only works in recent
 121    * versions of qemu.
 122    */
 123 #ifdef GUESTFS_HAVE_FSTRIM
 124   if (guestfs_fstrim (g, "/", -1) == -1)
 125     exit (EXIT_FAILURE);
 126 #endif
 127
 128   /* Run fallocate(1) on the device to test zero path. */
 129   if (guestfs_umount (g, "/") == -1)
 130     exit (EXIT_FAILURE);
 131   const char *cmd[] = { "fallocate", "-nzl", "64k", "/dev/sda", NULL };
 132   data = guestfs_debug (g, "sh", (char **) cmd);
 133   free (data);
 134
 135   if (guestfs_shutdown (g) == -1)
 136     exit (EXIT_FAILURE);
 137
 138   guestfs_close (g);
 139   exit (EXIT_SUCCESS);
 140 }