#!/bin/bash

WORKNOW=`pwd`
WORKDIR=$WORKNOW/pkg 
PKGLIST=$WORKDIR/pkglist


#限制进程最大内存使用100M
ulimit -m 102400
#限制进程最大虚拟内存为200M
ulimit -v 204800
#限制进程最大cpu占用时间为1秒
ulimit -t 1
#程序处理延迟(微秒)
progress_sleep=500


#初始化环境
function data_init(){
	if [ -d $WORKDIR ];then
		rm -rf $WORKDIR
	fi

	mkdir $WORKDIR
}

#获取当前安装包列表
function data_pkglist(){

iso_version=`grep -o -E "42|60|80|76|77" /etc/issue`

case $iso_version in

	42)
		pkginfo -i >> $PKGLIST
		;;
	60|80)
		#dpkg -l | awk '{if($1=="ii"){sub(":amd64","",$2);sub("[0-9]:","",$3);print $2"_"$3"_"$4}}' >> $PKGLIST
		awk 'BEGIN{i=0;j=0;k=0}{if($1 == "Package:"){A[i]=$2;i+=1};if($1 == "Version:"){B[j]=$2;j+=1}if($1 == "Architecture:"){C[k]=$2;k=k+1}}END{for(i=0;i<k;i++)printf "%s %s_%s\n",A[i],B[i],C[i]}' /var/lib/dpkg/status >> $PKGLIST
		;;
	76|77) 
		rpm -qa | awk -F "-" '{for(i=1;i<NF-1;i++){printf("%s",$i);if(i!=NF-2)printf("-");};print " "$(NF-1)"-"$NF}' >> $PKGLIST
	;;
	*)
		echo "版本识别失败"
			exit
	;;
esac

}

#搭建工作环境
function data_env(){

#tail -n +39 $0 > $WORKDIR/pkg.tar.gz 

#tar xf $WORKDIR/pkg.tar.gz

cp ./scan $WORKDIR
cp ./fileinfo.db $WORKDIR
cd $WORKDIR

}

#对对比程序资源进行设置
function data_set(){

echo "设置进程资源"	

}

#启动对比程序
function data_run(){

	data_sum=`cat $PKGLIST | wc -l`

	./scan $data_sum  $progress_sleep &

	data_pid=$?

}

#监视对比程序运行状态
function data_control(){

	echo "监视程序运行状态"

}

#生成检测报告
function data_report(){

	echo "生成对比报告"

}


function main(){

	data_init
	data_pkglist
	data_env
	data_set
	data_run
	data_control
	data_report

}

main

exit 0