#!/bin/sh
# Copyright (c) 2000-2016 Synology Inc. All rights reserved.

. "$(dirname $0)"/common

prepare_folder()
{
	[ -d $SYNOPKG_CONF_DIR ] || mkdir -p $SYNOPKG_CONF_DIR
}

install_etc_file()
{
	#register volume hook prevent stop FileStation when volume action occur
	mv $TARGET_DIR/etc/reg_volume $SYNOPKG_CONF_DIR/
}

upgrade_sharing_db()
{
	$TARGET_DIR/sbin/webfm_migrate -t sharing_db
}

limit_thumbd_worker()
{
	SPECIAL_PLATFORM_LIST=("synology_armada370_ds115j synology_armada370_214se synology_armada370_216se synology_armada370_ds119j")
	UNIQUE=`$SYNOGETKEYVALUE $SYNOINFO unique`

	if [[ " ${SPECIAL_PLATFORM_LIST[@]} " =~ " ${UNIQUE} " ]]; then
		sed -i 's/\"max_worker\": 8/\"max_worker\": 1/g' ${TARGET_DIR}/etc/conf/thumbd.conf
	else
		CORE=`nproc`
		MEMTOTAL=`free | grep Mem | awk '{print $2}'`
		WLIMIT=$((${MEMTOTAL} / 1024 * 6 / 1000))
		MAXWORKER=8

		if [ $CORE -le $WLIMIT ]; then
			MAXWORKER=$CORE
		else
			MAXWORKER=$WLIMIT
		fi

		if [ $MAXWORKER -le 1 ]; then
			MAXWORKER=1
		fi

		sed -i 's/\"max_worker\": 8/\"max_worker\": '"${MAXWORKER}"'/g' ${TARGET_DIR}/etc/conf/thumbd.conf
	fi
}

prepare_folder
install_etc_file
upgrade_sharing_db
limit_thumbd_worker

exit 0