#!/sbin/openrc-run
# Copyright 1999-2016 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

extra_commands="update"

depend() {
	need net
	after rp-pppoe
}

getconfig() { # 0: no daemon / 1: daemon
	local CONF NAME LIST=""
	for CONF in /etc/ez-ipupdate/*.conf; do
		if [ -f "${CONF}" ]; then
			# Don't run configurations that are (not) daemons
			grep -q '^[[:space:]]*daemon' "${CONF}"; [ $? -eq $1 ] && continue
			# Don't run configurations that run in the foreground
			grep -q '^[[:space:]]*foreground' "${CONF}" && continue
			# add config to list
			NAME="${CONF##*/}"
			LIST="${LIST} ${NAME%.*}"
		fi
	done
	echo ${LIST}
}

start() {
	local NAME LIST=$(getconfig 1)

	if [ -z "${LIST}" ]; then
		eerror "You need at least one config file in /etc/ez-ipupdate"
		eerror "containing the 'daemon' keyword and no 'foreground' keyword."
		return 1
	fi

	for dir in /var/run/ez-ipupdate /var/cache/ez-ipupdate; do
		checkpath -q -d -m 0750 -o ez-ipupd:ez-ipupd ${dir}
	done

	for NAME in ${LIST}; do
		local CONFIG="/etc/ez-ipupdate/${NAME}.conf"
		local PIDFILE="/var/run/ez-ipupdate/${NAME}.pid"
		local CACHEFILE="/var/cache/ez-ipupdate/${NAME}.cache"
		ebegin "Starting ez-ipupdate (${NAME})"
		start-stop-daemon -p "${PIDFILE}" --start --quiet --exec /usr/sbin/ez-ipupdate \
			--user ez-ipupd:ez-ipupd -- -c "${CONFIG}" -F "${PIDFILE}" -b "${CACHEFILE}"
		eend $?
	done
	return 0  # do not fail
}

stop() {
	local PIDFILE NAME
	for PIDFILE in /var/run/ez-ipupdate/*.pid; do
		if [ -f "${PIDFILE}" ]; then
			NAME="${PIDFILE##*/}"
			ebegin "Stopping ez-ipupdate (${NAME%.*})"
        		start-stop-daemon --stop --signal QUIT --quiet --pidfile "${PIDFILE}"
			eend $? || rm -f "${PIDFILE}"
		else
			eerror "No running ez-ipupdate process"
		fi
	done
	return 0  # do not fail
}

update() {
	local NAME TEXT LIST=$(getconfig 0)

	if [ -z "${LIST}" ]; then
		eerror "You need at least one config file in /etc/ez-ipupdate"
		eerror "containing no 'daemon' and 'foreground' keyword."
		return 1
	fi

	for NAME in ${LIST}; do
		local CONFIG="/etc/ez-ipupdate/${NAME}.conf"
		local CACHEFILE="/var/cache/ez-ipupdate/${NAME}.cache"
		ebegin "Running ez-ipupdate (${NAME})"
		TEXT=$(/usr/sbin/ez-ipupdate -q -R ez-ipupd -c "${CONFIG}" -b "${CACHEFILE}" 2>&1)
		if eend $?; then
			if [ -n "${TEXT}" ]; then
				echo "${TEXT}" | while read line; do einfo "  $line"; done
			fi
		else
			if [ -n "${TEXT}" ]; then
				echo "${TEXT}" | while read line; do eerror "  $line"; done
			fi
		fi
	done
	return 0  # do not fail
}