#!/sbin/runscript 
# Zope rc-script for Gentoo Linux
# Copyright 2002-2003 by Jason Shoemaker
# Distributed under the terms of the GNU General Public License, v2 or later.
# $Header: /home/cvsroot/gentoo-x86/net-zope/zope/files/2.6.4/zope.initd,v 1.1 2004/03/14 12:32:15 lanius Exp $

PIDFILE=${INSTANCE_HOME}/var/Z2.pid

depend() 
{
    need net
}

# Since zope doesn't delete its .pid file when done, we have to determine its 
# status. Zope can be shutdown from a browser...this bypasses init.d. 

# Need to export these conf.d variables so that (env) can use them

# Check if the file exist. then send file to stdout.
# Parameters:
#    $1 = /path/to/pid.file
# Outputs:

read_pid()
{
    if [ -r "${1}" ] ; then
	cat ${1}
    fi
}

# Check if we have a living PID, if not delete the PID FILE
# Parameters:
#    $1 = /path/to/pid.file
# Returns:
#    0 if alive pid file remains
#    1 if dead pid file removed
#    2 if no pid file found

check_pid_status()
{
    local RESULT=2   # assume no pid file will be found
    local PID=$(read_pid ${1})

    if [ -n "${PID}" ] ; then
	ps --no-headers ${PID} > /dev/null 2>&1
	if [ "${?}" -eq 0 ] ; then
	    RESULT=0
	else
	    rm -f ${1} 
	    RESULT=1
	fi
    fi

    return ${RESULT}
}

# Parameters: 
#    None
# Returns:
#    0 true 
#    1 false

is_zope_dead()
{
    local RESULT=

    check_pid_status ${PIDFILE}
    RESULT=${?}
    if [ "${RESULT}" -eq 0 ] ; then 
	RESULT=10
    fi

    if [ "${RESULT}" -eq 10 ] ; then
	RESULT=1
    else
	RESULT=0
    fi

    return ${RESULT}
}

status()
{
    local RESULT=

    is_zope_dead
    RESULT=${?}
    if [ ${RESULT} ] ; then
	einfo "--> Zope is alive."
    else
	ewarn "--> Zope is dead."
    fi
    return ${RESULT}
}

start()
{
    ebegin "Starting zope"
    start-stop-daemon --start --quiet --exec ${INSTANCE_HOME}/bin/runzope --pidfile ${PIDFILE} > ${EVENT_LOG_FILE} 2>&1 &
    eend $? "Failed to start zope"
}


stop()
{
    local RESULT=0
    ebegin "Stopping zope"
    if is_zope_dead ; then
        ewarn "Zope was already dead."
    else
    	start-stop-daemon --stop --quiet --pidfile ${PIDFILE}
	RESULT=${?}
    fi
    eend ${RESULT} "Failed to stop zope"
}