#!/usr/bin/env bash
# nbdkit
# Copyright Red Hat
#
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#
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# OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.

# This uses the io_uring driver to read a local file so it's a very
# simple and incomplete test.  We could also test vhost-user if
# qemu-storage-daemon is installed, but the vhost-user protocol does
# not seem very stable.

source ./functions.sh
set -e
set -x

requires_run
requires_plugin blkio
requires_nbdsh_uri
requires test -f disk
requires_linux_kernel_version 6.0

nbdkit -r blkio io_uring path=disk \
       --run '
    nbdsh -u "$uri" \
          -c "import os" \
          -c "assert(h.get_size() == os.path.getsize(\"disk\"))" \
          -c "buf = h.pread(512, 0)"
'
