#!/bin/sh /etc/rc.common
# Copyright (C) 2008 OpenWrt.org
START=14

load_modules() {
	local section="$1"
	config_get "size_kbytes" "$section" "size_kbytes"
	config_get "backup_dev" "$section" "backup_dev"
	#CC_PARAM_STR="memlimit_kb=$1 backing_dev=$BACKING_DEV"
	config_get_bool "enabled" "$section" "enabled" '1'
	if [ "$enabled" -gt 0 ]; then
		if [ "`cat /proc/swaps | grep 'ramzswap0'`" != "" ]; then
			echo "compcache already loaded"
		else
			if [ "$backup_dev" != "" ]; then
				params_set="memlimit_kb=$size_kbytes backing_swap=$backup_dev"
			else
				params_set="disksize_kb=$size_kbytes"
			fi
			if [ "`lsmod | grep 'ramzswap'`" == "" ]; then
				insmod xvmalloc
				insmod lzo1x
				insmod ramzswap $params_set
				swapon /dev/ramzswap0
			fi
		fi
	fi
}

remove_modules() {
	local section="$1"
	config_get_bool "enabled" "$section" "enabled" '1'
	if [ "$enabled" -gt 0 ]; then
		[ "`cat /proc/swaps | grep 'ramzswap0'`" != "" ] && swapoff /dev/ramzswap0
		[ "`lsmod | grep 'ramzswap'`" != "" ] && rmmod ramzswap &> /dev/null
		[ "`lsmod | grep 'lzo1x'`" != "" ] && rmmod lzo1x &> /dev/null
		[ "`lsmod | grep 'xvmalloc'`" != "" ] && rmmod xvmalloc &> /dev/null
	fi
}

start() {
	config_load "compcache"
	config_foreach load_modules "compcache"
}

stop() {
	config_load "compcache"
	config_foreach remove_modules "compcache"
}
