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#!/usr/bin/env bash
# nbdkit
# Copyright Red Hat
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# * Neither the name of Red Hat nor the names of its contributors may be
# used to endorse or promote products derived from this software without
# specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY RED HAT AND CONTRIBUTORS ''AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
# PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL RED HAT OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
# OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
# Test the memory plugin with the malloc allocator.
source ./functions.sh
set -e
requires_nbdsh_uri
sock=$(mktemp -u /tmp/nbdkit-test-sock.XXXXXX)
files="memory-allocator-malloc.pid $sock"
rm -f $files
cleanup_fn rm -f $files
# Run nbdkit with memory plugin.
start_nbdkit -P memory-allocator-malloc.pid -U $sock \
memory 16M allocator=malloc
nbdsh --connect "nbd+unix://?socket=$sock" \
-c '
# Write some stuff to the beginning, middle and end.
buf1 = b"1" * 512
h.pwrite(buf1, 0)
buf2 = b"2" * 65536
h.pwrite(buf2, 8*1024*1024+1)
buf3 = b"3" * 512
h.pwrite(buf3, 16*1024*1024-512)
# Read it back.
buf11 = h.pread(len(buf1), 0)
assert buf1 == buf11
buf22 = h.pread(len(buf2), 8*1024*1024+1)
assert buf2 == buf22
buf33 = h.pread(len(buf3), 16*1024*1024-512)
assert buf3 == buf33
'
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