hubic

#! /bin/sh
### BEGIN INIT INFO
# Provides:          hubic
# Required-Start:    dbus networking
# Required-Stop:     dbus networking
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: starts the hubiC synchronization client
# Description:       starts the hubiC synchronization client
### END INIT INFO

PATH=/sbin:/usr/sbin:/bin:/usr/bin
DESC="hubiC"
NAME=hubic
DAEMON=/usr/bin/dbus-launch
EXEC=/usr/bin/hubic
RUNFILE=/var/run/$NAME.run
SCRIPTNAME=/etc/init.d/$NAME

# Read configuration variable file if it is present
[ -r /etc/default/$NAME ] && . /etc/default/$NAME

# Define LSB log_* functions.
. /lib/lsb/init-functions


if [ -z "$EMAIL" ] || [ -z "$PASSWORD_PATH" ] || [ -z "$SYNC_DIR" ]; then
	log_failure_msg "The synchronization is not configured in /etc/default/hubic."
        exit 3
fi
if [ ! -r "$PASSWORD_PATH" ]; then
	log_failure_msg "The password file '$PASSWORD_PATH' is not readable."
	exit 3
fi

if [ -n "$EXCLUSIONS_PATH" ] && [ ! -r "$EXCLUSIONS_PATH" ]; then
	log_failure_msg "The exclusion file '$EXCLUSIONS_PATH' is not readable."
	exit 3
fi


do_exec()
{
	. $RUNFILE
	DBUS_SESSION_BUS_ADDRESS="$DBUS_SESSION_BUS_ADDRESS" start-stop-daemon --start --chuid $USER --exec $EXEC --chdir $PWD -- $@
}

check_exec()
{
	if [ $? != 0 ]; then
                log_end_msg 1
                log_failure_msg "$1"
		kill $DBUS_SESSION_BUS_PID 2> /dev/null
		rm -f $RUNFILE
                exit 3
        fi
}

add_exclusions()
{
        if [ -n "$EXCLUSIONS_PATH" ]; then
        	while read  -r exclusion; do
			if [ -n "`echo "$exclusion" |grep -v "^\s*#"`" ]; then
				do_exec exclude add "$SYNC_DIR/$exclusion"
			fi
		done < "$EXCLUSIONS_PATH"
	fi
}

do_reload()
{
	check_start
	log_begin_msg "Updating the sync directory and the exclusions of $DESC"

	do_exec pause
	do_exec exclude clear
	do_exec syncdir "$SYNC_DIR"
	add_exclusions
	do_exec resume
	log_end_msg 0
}

do_start()
{
	if [ -f $RUNFILE ]; then
		log_warning_msg "$DESC already running" && exit 0
	fi
	log_begin_msg "Starting $DESC"

	start-stop-daemon --start --chuid $USER --exec $DAEMON > $RUNFILE
	check_exec "dbus failed to start"
	do_exec login --password_path="$PASSWORD_PATH" $EMAIL "$SYNC_DIR"
	check_exec "login failed"
	# Wait to avoid the error "Command failed: System.InvalidOperationException: This method requires a connection."
	wait_connection
	add_exclusions
	log_end_msg 0
}

check_start()
{
        if [ ! -f $RUNFILE ]; then
                log_failure_msg "$DESC is not running" && exit 3
        fi
}

check_connection()
{
	do_exec status | grep '^Account: ' | cut -d':' -f2
}

wait_connection()
{
	while [ -z $(check_connection) ]; do
		sleep 1
	done
}

do_stop()
{
	check_start
	log_begin_msg "Stopping $DESC"
	do_exec stop
	check_exec "error while stopping the client"
	kill $DBUS_SESSION_BUS_PID
	check_exec "dbus is not running"
	rm -f $RUNFILE
	log_end_msg 0
}

case "$1" in
start)
	do_start
	;;
stop)
	do_stop
	;;
restart)
	do_stop
	do_start
	;;
reload)
	do_reload
	;;
*)
	check_start
	do_exec $@
	;;
esac