#!/bin/sh /etc/rc.common
# Copyright (C) 2017 Yousong Zhou

START=99

USE_PROCD=1

pservice_list_cb() {
	local val="$1"; shift
	local param="$1"; shift

	procd_append_param "$param" "$val"
}

pservice() {
	local cfg="$1"

	eval "$(validate_pservice_section "$cfg" pservice_validate_mklocal)"
	validate_pservice_section "$cfg" || return 1
	[ "$disabled" = 0 ] || return 0
	[ -x "$command" ] || return 1

	procd_open_instance "$name"
	procd_set_param command "$command"
	procd_set_param stderr "$stderr"
	procd_set_param stdout "$stdout"
	procd_set_param respawn "$respawn_threshold" "$respawn_timeout" "$respawn_maxfail"
	[ -z "$args" ] || config_list_foreach "$cfg" args pservice_list_cb command
	if [ -n "$env" ]; then
		procd_set_param env
		config_list_foreach "$cfg" env pservice_list_cb env
	fi
	if [ -n "$file" ]; then
		procd_set_param file
		config_list_foreach "$cfg" file pservice_list_cb file
	fi
	procd_close_instance
}

start_service() {
	config_load 'pservice'
	config_foreach pservice pservice
}

stop_service() {
	true
}

service_triggers() {
	procd_open_validate
	validate_pservice_section
	procd_close_validate
}

pservice_validate_mklocal() {
	local tuple opts

	shift 2
	for tuple in "$@"; do
		opts="${tuple%%:*} $opts"
	done
	[ -z "$opts" ] || echo "local $opts"
}

pservice_validate() {
	uci_validate_section pservice "$@"
}

validate_pservice_section() {
	local cfg="$1"; shift
	local func="$1"; shift

	"${func:-pservice_validate}" pservice "$cfg" \
		"disabled:bool:0" \
		"name:string" \
		"env:regex('^[a-zA-Z_][a-zA-Z0-9_]*=.*$')" \
		"command:file" \
		"args:list(string)" \
		"stderr:bool:0" \
		"stdout:bool:0" \
		"respawn_threshold:uinteger:3600" \
		"respawn_timeout:uinteger:5" \
		"respawn_maxfail:uinteger:5" \
		"file:string"
}