checkservice: Detect service missing on bus

	exit 1

}

# usage : in_array( $needle, $haystack )

# return : 0 - found

#          1 - not found

in_array() {

	local needle=$1; shift

	local item

	for item in "$@"; do

	   [[ $item = $needle ]] && return 0 # Found

	done

	return 1 # Not Found

}

while getopts 'hrRsnNuv' opt; do

	case $opt in

		r) systemd_cmd='restart';;

declare -a services

services=($(systemctl --no-legend --full --type service --state running|cut -f1 -d' '))

# list of bus names

buses=($(dbus-send --system --dest=org.freedesktop.DBus --type=method_call --print-reply /org/freedesktop/DBus org.freedesktop.DBus.ListNames|sed -rn 's/\s*string "(.*)"/\1/p'))

# beggar count

declare -a needy=() pids=()

declare -i pid=0

for svc in "${services[@]}"; do

	unit_path=$(systemctl -p ControlGroup show "$svc"|cut -f 2 -d=)

	busname=$(systemctl -p BusName show "$svc"|cut -f 2 -d=)

	# check if unit is in system slice

	[[ "$unit_path" =~ /user\.slice/ && ! "$user_slice" == true ]] && continue

	pids=( $(< "$systemd_cgroup_base_path/$unit_path/tasks") )

	deleted=''

	for pid in "${pids[@]}"; do

		deleted=$(grep '(deleted)' "/proc/$pid/maps"|sed -nr 's|^\S+ ..x. \S+ \S+ \S+ \s+||p'|sort|uniq)

		if [[ -n $deleted ]]; then

		if [[ -n $deleted ]] || { [[ -n "$busname" ]] && ! in_array "$busname" "${buses[@]}"; }; then

			needy+=("$svc")

			if [[ $verbose ]]; then

				echo "${c_title}Service:${c_svc} $svc${c_rst}"

				echo "${c_title}Pid:${c_rst} $pid"

				echo "${c_title}Bus:${c_rst} $busname"

				echo "${c_title}Commands:${c_rst}"

				echo "systemctl reload '$svc'"

				echo "systemctl restart '$svc'"

				echo -n "${c_title}BusName on the system bus: ${c_rst}"

				in_array "$busname" "${buses[@]}" && echo 'Yes' || echo 'No'

				echo "${c_title}Deleted files:${c_rst}"

				echo "$deleted"

				echo