copy/copy-nbd-to-file.sh

   1 #!/usr/bin/env bash
   2 # nbd client library in userspace
   3 # Copyright Red Hat
   4 #
   5 # This library is free software; you can redistribute it and/or
   6 # modify it under the terms of the GNU Lesser General Public
   7 # License as published by the Free Software Foundation; either
   8 # version 2 of the License, or (at your option) any later version.
   9 #
  10 # This library is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 # Lesser General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU Lesser General Public
  16 # License along with this library; if not, write to the Free Software
  17 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  18
  19 . ../tests/functions.sh
  20
  21 set -e
  22 set -x
  23
  24 requires nbdkit --exit-with-parent --version
  25 requires hexdump -C /dev/null
  26 requires stat --version
  27
  28 file=copy-nbd-to-file.file
  29 cleanup_fn rm -f $file
  30
  31 $VG nbdcopy -- [ nbdkit --exit-with-parent -v data data='0x55 0xAA @268435454 0xAA 0x55' ] $file
  32 if [ "$(stat -c %s $file)" -ne $(( 256 * 1024 * 1024 )) ]; then
  33     echo "$0: incorrect amount of data copied"
  34     exit 1
  35 fi
  36
  37 # Test the data is as expected.
  38 test "$(hexdump -C $file)" = \
  39 '00000000  55 aa 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |U...............|
  40 00000010  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
  41 *
  42 0ffffff0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 aa 55  |...............U|
  43 10000000'