#!/bin/sh /etc/rc.common
# Copyright (C) 2008-2011 OpenWrt.org

SERVICE_USE_PID=1

START=90
STOP=10

EXTRA_COMMANDS="list status exconf"
EXTRA_HELP="	list	Lists available configurations
	status	Prints status of the service
	exconf	Shows an example config file

The actions start, stop, restart, reload, status operate
globally on all configurations unless the particular
configuration has been provided as the next parameter.
"

check_section() {
	echo "$1" | grep -vq '^cfg[[:xdigit:]]\{6\}$'
}

start_instance() {
	local section="$1"
	local instance="$2"

	check_section "$section" || return 1
	[ -n "$instance" -a "$section" != "$instance" ] && return 0

	local args listen_ip banner_host username num_threads listen_port accept_queue_len

	config_get listen_ip "$section" 'listen_ip'
	[ -n "$listen_ip" ] && append args "-l $listen_ip"

	config_get listen_port "$section" 'listen_port'
	[ -n "$listen_port" ] && append args "-p $listen_port"

	config_get username "$section" 'username'
	[ -n "$username" ] && append args "-u $username"

	config_get banner_host "$section" 'banner_host'
	[ -n "$banner_host" ] && append args "-b '$banner_host'"

	config_get num_threads "$section" 'num_threads'
	[ -n "$num_threads" ] && append args "-t $num_threads"

	config_get accept_queue_len "$section" 'accept_queue_len'
	[ -n "$accept_queue_len" ] && append args "-m $accept_queue_len"

	SERVICE_PID_FILE="/var/run/smtptrapd-${section}.pid
	service_start /usr/sbin/smtptrapd -f $SERVICE_PID_FILE $args
}

stop_instance() {
	local section="$1"
	local instance="$2"

	check_section "$section" || return 1
	[ -n "$instance" -a "$section" != "$instance" ] && return 0

	SERVICE_PID_FILE="/var/run/smtptrapd-${section}.pid"
	service_stop /usr/sbin/smtptrapd
}

check_instance() {
	local section="$1"
	local instance="$2"

	check_section "$section" || return 1
	[ -n "$instance" -a "$section" != "$instance" ] && return 0

	SERVICE_PID_FILE="/var/run/smtptrapd-${section}.pid"
	service_check /usr/sbin/smtptrapd && {
		echo "${initscript}: configuration instance '$section' is running"
	} || {
		echo "${initscript}: configuration instance '$section' is not running"
	}
}

list_instance() {
	local section="$1"
	check_section "$section" || return 1
	echo "	$section"
}

start() {
	config_load 'smtptrapd'
	config_foreach start_instance 'smtptrapd' "$@"
}

stop() {
	config_load 'smtptrapd'
	config_foreach stop_instance 'smtptrapd' "$@"
}

status() {
	config_load 'smtptrapd'
	config_foreach check_instance 'smtptrapd' "$@"
}

list() {
	config_load 'smtptrapd'
	echo "${initscript}: available configuration instances:"
	config_foreach list_instance 'smtptrapd'
}

exconf() {
	cat <<EOF
# /etc/config/smtptrapd - example configuration

package 'smtptrapd'

config 'smtptrapd' 'myfailhost'
	option 'num_threads' '1'

# The init script operates only with named sections
# All options (default values)
#	option 'banner_host' '<hostname>'
#	option 'username' 'nobody'
#	option 'listen_ip' '<all addresses>'
#	option 'listen_port' '25'
#	option 'num_threads' '10'
#	option 'accept_queue_len' '100'
EOF
}