#!/sbin/openrc-run
# Copyright 1999-2013 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

DAEMON=/opt/logmein-hamachi/bin/hamachid
PIDFILE=/var/run/logmein-hamachi/hamachid.pid

depend() {
	need net
}

checktun() {
	[ $(uname -s) = "Linux" ] || return 0
        [ -e /dev/net/tun ] && return 0
        modprobe tun && return 0

	eerror "TUN/TAP support is not available in the running kernel"
	return 1
}

start_pre() {
	checkpath -d /var/run/logmein-hamachi
}

start()
{
	# returns
	#   0 if daemon has been started
	#   1 if daemon was already running
	#   2 if daemon could not be started

	checktun || return 2

	ebegin "Starting hamachi"

	start-stop-daemon --quiet --start --exec "${DAEMON}" \
		--pidfile "${PIDFILE}" -- -c "${CONFDIR}"
	result=$?

	if [ ${result} -eq 0 ] && [ -n "${NICKNAME}" ]; then
		# it fails logging in immediately
		sleep ${WAIT}
		/usr/bin/hamachi login
		if [ -z "$(/usr/bin/hamachi | grep 'logged in')" ]; then
			start-stop-daemon --quiet --stop \
			--exec "${DAEMON}" --pidfile "${PIDFILE}"
			result=1
		else
			/usr/bin/hamachi set-nick "${NICKNAME}"
		fi
	fi

	eend ${result}
}

stop()
{
	# returns
	#   0 if daemon has been stopped
	#   1 if daemon was already stopped
	#   2 if daemon could not be stopped
	#   other if a failure occurred

	ebegin "Stopping hamachi"

	/usr/bin/hamachi logout
	start-stop-daemon --quiet --stop --exec "${DAEMON}" \
		--pidfile "${PIDFILE}"

	eend $?
}

status() {
        service_started "${SVCNAME}" || return 1
        /usr/bin/hamachi
        /usr/bin/hamachi list
}