export PATH=$PATH:/opt/ytools/bin

ytools_log()
{
	echo $@
}

ytools_log_err()
{
	echo $@ >&2
}

ytools_source_config()
{
	local o_verbose=""

	set -- `getopt 'v' $*`

	while [ "$1" != -- ]; do
		case $1 in
			-v)
				o_verbose=true;;
			*)
				ytools_log_err unknown option $1
				exit 1;;
		esac
		shift
	done
	shift

	[ ! -r "$1" ] && return
	[ "$o_verbose" ] && ytools_log o reading config "<$1>"
	. $1
}

ytools_source_configs()
{
	local c
	local basename=${myname/.*/}
	local rc="$basename"rc
	local project=ytools
	local o_verbose=""

	set -- `getopt 'v' $*`

	while [ "$1" != -- ]; do
		case $1 in
			-v)
				o_verbose=true;;
			*)
				ytools_log_err unknown option $1
				exit 1;;
		esac
		shift
	done
	shift

	config_files="
		/etc/opt/$project/$basename.conf
		$HOME/.$project/$basename.conf
		$HOME/.$project/$rc
		$HOME/.$basename/$basename.conf
		$HOME/.$basename/$rc
		$HOME/.$rc
	"

	for c in $config_files; do
		ytools_source_config $c
		if [ -d $c.d ]; then
			local dirconfs=`find $c.d  -maxdepth 1 -type f`
			local f
			for f in $dirconfs; do
				ytools_source_config $f
			done
		fi
	done
}

ytools_cat()
{
	cat | sed 's/^[ 	]*|//'
}

ytools_waitpid()
{
	local pid=$1
	local t=5
	[ "$2" ] && t=$2

	while ((t > 0)); do
		[ -f /proc/$pid/status ] || {
			wait $pid
			return 0
		}
		sleep 1
		((t -= 1))
	done
	return 1
}

ytools_terminate()
{
	local pid
	for pid in $@; do
		[ -f /proc/$pid/status ] && {
			echo terminating process $pid
			kill $pid
			ytools_waitpid $pid || {

				echo "failed to normally terminate process $pid, killing it" >&2
				kill -9 $pid

				ytools_waitpid $pid || {
					echo "failed to kill process $pid" >&2
					return 1
				}
			}
		}
	done
	return 0
}