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# Prints error message and return error code, closes vhost app and remove
# pmem pool file
# input: error message, error code
function error() {
local error_code=${2:-1}
echo "==========="
echo -e "ERROR: $1"
echo "error code: $error_code"
echo "==========="
vhost_kill 0
pmem_clean_pool_file
return $error_code
}
# check if there is pool file & remove it
# input: path to pool file
# default: $default_pool_file
function pmem_clean_pool_file() {
local pool_file=${1:-$default_pool_file}
if [ -f $pool_file ]; then
echo "Deleting old pool_file"
rm $pool_file
fi
}
# create new pmem file
# input: path to pool file, size in MB, block_size
# default: $default_pool_file 32 512
function pmem_create_pool_file() {
local pool_file=${1:-$default_pool_file}
local size=${2:-32}
local block_size=${3:-512}
pmem_clean_pool_file $pool_file
echo "Creating new pool file"
if ! $rpc_py bdev_pmem_create_pool $pool_file $size $block_size; then
error "Creating pool_file failed!"
fi
if [ ! -f $pool_file ]; then
error "Creating pool_file failed!"
fi
}
function pmem_unmount_ramspace() {
if [ -d "$testdir/ramspace" ]; then
if mount | grep -q "$testdir/ramspace"; then
umount $testdir/ramspace
fi
rm -rf $testdir/ramspace
fi
}
function pmem_print_tc_name() {
echo ""
echo "==============================================================="
echo "Now running: $1"
echo "==============================================================="
}
function vhost_start() {
local vhost_pid
$SPDK_BIN_DIR/vhost &
vhost_pid=$!
echo $vhost_pid > $testdir/vhost.pid
waitforlisten $vhost_pid
}
function vhost_kill() {
local vhost_pid_file="$testdir/vhost.pid"
local vhost_pid
vhost_pid="$(cat $vhost_pid_file)"
if [[ ! -f $vhost_pid_file ]]; then
echo -e "ERROR: No vhost pid file found!"
return 1
fi
if ! kill -s INT $vhost_pid; then
echo -e "ERROR: Failed to exit vhost / invalid pid!"
rm $vhost_pid_file
return 1
fi
sleep 1
rm $vhost_pid_file
}
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