#!/sbin/runscript
# Copyright 1999-2009 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/www/viewcvs.gentoo.org/raw_cvs/gentoo-x86/dev-db/postgresql-server/files/postgresql.init-8.4,v 1.4 2010/01/26 22:01:21 patrick Exp $

opts="${opts} reload"

depend()
{
	use net
	provide postgresql
}

checkconfig()
{
	if [ ! -d "$PGDATA" ] ; then
		eerror "Directory not found: $PGDATA"
		eerror "Please make sure that PGDATA points to the right path."
		return 1
	fi
}

start()
{
	checkconfig || return 1

	ebegin "Starting PostgreSQL"

	if [ -f "$PGDATA/postmaster.pid" ] ; then
		rm -f "$PGDATA/postmaster.pid"
	fi

	local retval

	su -l ${PGUSER} \
		-c "env PGDATA=\"${PGDATA}\" ${PG_EXTRA_ENV} pg_ctl \
		start ${WAIT_FOR_START} -o '--silent-mode=true ${PGOPTS}'"
	retval=$?
	[ $retval -ne 0 ] && eend $retval && return $retval

	# The following is to catch the case of an already running server
	# in which pg_ctl doesn't know to which server it connected to and
	# false reports the server as 'up'
	sleep 2
	if [ ! -f "$PGDATA/postmaster.pid" ] ; then
		eerror "The pid-file doesn't exist but pg_ctl reported \
a running server."
		eerror "Please check whether there is another server running \
on the same port or read the log-file."
		eend 1
		return 1
	fi

	local pid=$(grep "^[0-9]\+" "$PGDATA/postmaster.pid")
	ps -p "${pid}" &> /dev/null
	eend $?
}

stop()
{
	ebegin "Stopping PostgreSQL (this can take up to \
$(( ${WAIT_FOR_DISCONNECT} + ${WAIT_FOR_CLEANUP} )) seconds)"

	local retval

	su -l ${PGUSER} \
		-c "env PGDATA=\"${PGDATA}\" pg_ctl \
		stop -t ${WAIT_FOR_DISCONNECT} -m smart"

	retval=$?
	[ $retval -eq 0 ] && eend $retval && return $retval

	ewarn "Some clients did not disconnect within \
${WAIT_FOR_DISCONNECT} seconds."
	ewarn "Going to shutdown the server anyway."

	su -l ${PGUSER} -c "env PGDATA=\"${PGDATA}\" pg_ctl stop -m fast"
	retval=$?
	[ $retval -eq 0 ] && eend $retval && return $retval

	if [ ${WAIT_FOR_QUIT} -eq 0 ] ; then
		eerror "Server did not shut down and sending the \
SIGQUIT has been disabled."
		eend $retval
		return $retval
	fi

	ewarn "Shutting down the server gracefully failed."
	ewarn "Forcing it to shutdown which leads to a recover-run \
on next startup."

	su -l ${PGUSER} -c "env PGDATA=\"${PGDATA}\" pg_ctl stop -m immediate"
	retval=$?
	[ $retval -eq 0 ] && eend $retval && return $retval

	eerror "Forced shutdown failed!!! Something is wrong with your \
system, please take care of it manually."
	eend $?
}

reload()
{
	ebegin "Reloading PostgreSQL configuration"
	su -l ${PGUSER} -c "env PGDATA=\"${PGDATA}\" pg_ctl reload"
	eend $?
}