#!/sbin/runscript
# Copyright 1999-2006 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/net-dialup/isdn4k-utils/files/isdnlog.initd,v 1.4 2006/02/04 21:14:17 sbriesen Exp $

depend() {
	need isdn
}

# gets list of installed cards
card_list() {  # output: <contr> <chan> <card>
	local IDMAP=() IDX=1 CONTR=0 LAST='-' CARD=''
	read -a IDMAP < <(/bin/head 2>/dev/null -n1 /dev/isdninfo) || return 1
	while [ ${IDX} -lt ${#IDMAP[*]} ]; do
		CARD=${IDMAP[$IDX]}
		if [ "${CARD}" != "-" -a "${CARD}" != "${LAST}" ]; then
			echo "${CONTR} $((IDX-1)) ${CARD}"; : $((CONTR++))
		fi
		LAST="${CARD}"; : $((IDX++))
	done
}

# get info by contr, chan or card
card_info() {
	local MASK
	case "${1}" in
		contr[0-9]*)
			MASK="^${1#contr*} [0-9]\+ .*\$"
			;;
		isdnctrl[0-9]*)
			MASK="^[0-9]\+ ${1#isdnctrl*} .*\$"
			;;
		*)
			MASK="^[0-9]\+ [0-9]\+ ${1}\$"
			;;
	esac
	/bin/grep "${MASK}" <(card_list)
}

start() {
	local CONTR CHAN CARD TYPE="${myservice#*.*}"
	read CONTR CHAN CARD < <(card_info "${TYPE}")
	
	if [ -z "${CARD}" ]; then
		eerror "ISDNLOG: Selected controller not available (${TYPE})"
		return 1
	fi

	# try to find a configuration file	
	local CONFIG="/etc/isdn/isdnlog.isdnctrl${CHAN}.options"
	[ -f "${CONFIG}" ] || CONFIG="/etc/isdn/isdnlog.options.contr${CONTR}"
	[ -f "${CONFIG}" ] || CONFIG="/etc/isdn/isdnlog.options.isdnctrl${CHAN}"
	[ -f "${CONFIG}" ] || CONFIG="/etc/isdn/isdnlog.options.${CARD}"
 
	if [ ! -f "${CONFIG}" ]; then
		eerror "ISDNLOG: You're missing /etc/isdn/isdnlog.options.${TYPE}"
		return 1
	fi

	rm -f "/var/run/${myservice}"  # cleanup

	ebegin "Starting ISDNLOG for controller #${CONTR} (${CARD})"
	start-stop-daemon --start --quiet --pidfile "/var/run/isdnlog.isdnctrl${CHAN}.pid" \
		--exec /usr/sbin/isdnlog -- ${ISDNLOG_OPTIONS} -f "${CONFIG}" "/dev/isdnctrl${CHAN}" && \
	echo "${CONTR} ${CHAN} ${CARD} ${CONFIG##*/}" > "/var/run/${myservice}"
	eend $?
}

stop() {
	if [ ! -f "/var/run/${myservice}" ]; then
		eerror "ISDNLOG: Controller setup not found (${myservice#*.*})"
		return 1
	fi

	local CONTR CHAN CARD CONF
	read CONTR CHAN CARD CONF < "/var/run/${myservice}"

	ebegin "Stopping ISDNLOG for controller #${CONTR} (${CARD})"
	start-stop-daemon --stop --quiet --retry 5 --pidfile "/var/run/isdnlog.isdnctrl${CHAN}.pid"
	eend $?

	rm -f "/var/run/${myservice}"
	return 0  # ignore errors 
}