Linux下启动C/C++守护进程的bash脚本(工作记录)
本脚本是在工作中，为了方便管理，写的一个用来启动C/C++守护进程的脚本，记录一下
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#!/bin/bash
ROOT="/storage/huangcheng";
cd "$ROOT";
declare -A daemons; #定义一个数组，key为目录，val为服务主程序
daemons=(
["cloudfileserver"]="cloudfileserver"
["blanceserver"]="blanceserver"
["checkserver"]="daemon"
["cwlogin"]="cwlogin"
["dbserver"]="dbserver"
["gateserver"]="gateserver"
["jdserver"]="jdserver"
["WingLettersServer"]="WingLettersServer"
);
checkconfig () { #检查函数，用来检查daemons数组中配置的程序文件是否存在
for folder in "${!daemons[@]}";
do
file="$folder/${daemons[${folder}]}";
if [ -f "$file" ]; then
echo "$file yes.";
else
echo "$file no.";
fi
done;
}
status () { #检查daemons数组中配置的所有程序是否正在运行
if [ -z "$1" ]; then
for folder in "${!daemons[@]}";
do
daemon="${daemons[${folder}]}";
pid=$(ps aux|grep "\./$daemon"|grep -v grep|awk '{print $2}');
if [ -n "$pid" ]; then
echo "$daemon is running, pid: $pid";
else
echo "$daemon is not running";
fi
done
else
pid=$(ps aux|grep "\./$1"|grep -v grep|awk '{print $2}');
echo $pid;
fi
}
stop () { #停止daemons数组中配置的所有程序
if [ -z "$1" ]; then
for folder in "${!daemons[@]}";
do
daemon="${daemons[${folder}]}";
pid=$(status $daemon);
if [ -n "$pid" ]; then
kill -9 "$pid";
pid=$(status $daemon);
if [ -z "$pid" ]; then
echo "$folder stop success";
else
echo "$folder stop fail";
fi
else
echo "$folder is not running";
fi
done
else
folder=$1;
daemon="${daemons[${folder}]}";
if ! [ -d "$ROOT/$folder" ] || ! [ -f "$ROOT/$folder/$daemon" ]; then
echo "error: daemon $folder not exists;";
return;
fi
pid=$(status $daemon);
if [ -z "$pid" ]; then
echo "$daemon is not running";
return;
fi
kill -9 "$pid";
pid=$(status $daemon);
if [ -z "$pid" ]; then
echo "$daemon stop success";
else
echo "$daemon stop fail, pid: $pid";
fi
fi
}
start () { #启动daemons数组中配置的所有程序
if [ -z "$1" ]; then
for folder in "${!daemons[@]}";
do
daemon="${daemons[${folder}]}";
pid=$(status $daemon);
if [ -n "$pid" ]; then
echo "$daemon is running, pid: $pid;";
continue;
fi
cd "$ROOT/$folder";
if [ -f "$daemon" ]; then
chmod a+x "$daemon";
nohup "./$daemon" & > /dev/null
pid=$(status $daemon);
if [ -n "$pid" ]; then
echo "$daemon start success, pid: $pid;";
else
echo "$daemon start fail;";
fi
else
echo "error: daemon $daemon not exists;";
fi
done;
else
folder=$1;
daemon="${daemons[${folder}]}";
if ! [ -d "$ROOT/$1" ] || ! [ -f "$ROOT/$folder/$daemon" ]; then
echo "error: daemon $folder not exists;";
return;
fi
pid=$(status $daemon);
if [ -n "$pid" ]; then
echo "$daemon is running, pid: $pid;";
return;
fi
cd "$ROOT/$folder";
chmod a+x "$daemon";
nohup "./$daemon" & > /dev/null
pid=$(status $daemon);
if [ -n "$pid" ]; then
echo "$daemon start success, pid: $pid;";
else
echo "$daemon start fail;";
fi
fi
}
#程序主入口
if [ -n "$1" ]; then
case "$1" in
"checkconfig" )
checkconfig;;
"status" )
status "$2";;
"start" )
start "$2";;
"stop" )
stop "$2";;
"restart" )
stop "$2";
start "$2";;
"cleanlog" )
stop;
rm -rf `find $ROOT -name *.log`
rm -rf `find $ROOT -name *.out`
start;;
esac
fi
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将代码保存为appadmin.sh文件，并给文件添加可执行权限即可使用
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chmod a+x adminApp.sh
./adminApp.sh checkconfig #检查设置
./adminApp.sh status #查看状态
./adminApp.sh start #启动所有程序
./adminApp.sh stop #停止所有程序
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