#!/bin/sh
# MT-Dispatch-rc.d 1.1
#
# mt_dispatch_enable (bool): Set it to "YES" to enable mt-dispatch
#                            Default is "NO".
# other options:             see below
#
# Copyright (c) 2007 Reed A. Cartwright, PhD <reed@scit.us>
#
# Derived from fcgiphp rc.d script found on trac.lighttpd.net
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
# DEALINGS IN THE SOFTWARE.

. /etc/rc.subr

name="mt_dispatch"
rcvar=`set_rcvar`

load_rc_config ${name}

: ${mt_dispatch_enable="NO"}
: ${mt_dispatch_children="2"}
: ${mt_dispatch_max_requests="100"}
: ${mt_dispatch_socket="/tmp/mt-dispatch.sock"}
: ${mt_dispatch_addr="localhost"}
: ${mt_dispatch_home="/usr/local/www/cgi-bin/mt"}
: ${mt_dispatch_port="8003"}
: ${mt_dispatch_bin_path="/usr/local/bin/mt-dispatch"}
: ${mt_dispatch_user="www"}
: ${mt_dispatch_group="www"}
: ${mt_dispatch_pidfile="/var/run/www/mt-dispatch.pid"}
: ${mt_dispatch_log="/var/log/mt-dispatch.log"}
: ${mt_dispatch_env="SHELL PATH USER"}
: ${mt_dispatch_perl5lib=""}

pidfile="${mt_dispatch_pidfile}"
procname="perl-fcgi-pm"
command_args="/usr/local/bin/spawn-fcgi -f '${mt_dispatch_bin_path}' -u '${mt_dispatch_user}' -g '${mt_dispatch_group}' -C '${mt_dispatch_children}' -P '${pidfile}'"

start_precmd=start_precmd
stop_postcmd=stop_postcmd

start_precmd()
{
	# setup environment
	PERL_FCGI_MAX_REQUESTS="${mt_dispatch_max_requests}"
	PERL_FCGI_LOG="${mt_dispatch_log}"
	FCGI_WEB_SERVER_ADDRS="${mt_dispatch_addr}"
	perl5libs="${mt_dispatch_home}/lib:${mt_dispatch_home}/extlib"
	if [ -n "${mt_dispatch_perl5lib}" ]; then
		PERL5LIB="${perl5libs}:${mt_dispatch_perl5lib}"
	else
		PERL5LIB="${perl5libs}"
	fi
	MT_HOME="${mt_dispatch_home}"
	MT_CONFIG="${mt_dispatch_home}/mt-config.cgi"
	export PERL_FCGI_MAX_REQUESTS
	export PERL_FCGI_LOG
	export FCGI_WEB_SERVER_ADDRS
	export PERL5LIB
	export MT_HOME
	export MT_CONFIG
	
    # copy the allowed environment variables
	allowed_env="${mt_dispatch_env} PERL_FCGI_MAX_REQUESTS PERL_FCGI_LOG FCGI_WEB_SERVER_ADDRS PERL5LIB MT_HOME MT_CONFIG"
	E=""
	for i in $allowed_env; do
		eval "x=\$$i"
		E="$E $i=$x"
	done
	command="env - $E"
	
	#setup directories and files
	dir=${mt_dispatch_pidfile%/*}
	if [ ! -d ${dir} ]; then
		mkdir ${dir}
		chown ${mt_dispatch_user}:${mt_dispatch_group} ${dir}
	fi
	dir=${mt_dispatch_log%/*}
	if [ ! -d ${dir} ]; then
		mkdir ${dir}
		chown ${mt_dispatch_user}:${mt_dispatch_group} ${dir}
	fi
	if [ ! -e ${mt_dispatch_log} ]; then
		touch ${mt_dispatch_log}
		chown ${mt_dispatch_user}:${mt_dispatch_group} ${mt_dispatch_log}
	fi
	
	# setup command_args
	if [ -n "${mt_dispatch_socket}" ]; then
		command_args="${command_args} -s ${mt_dispatch_socket}"
	elif [ -n "${mt_dispatch_port}" ]; then
		command_args="${command_args} -p ${mt_dispatch_port}"
	else
		echo "socket or port must be specified!"
		exit
	fi
}

stop_postcmd()
{
	rm -f ${pidfile}
}

run_rc_command "$1"