我是shell编程的新手,我创建了一个脚本来打开与我的服务器的连接。我想让这个脚本监听客户端节点的输入并使用它来运行一个函数。用于调用sh脚本中的函数的netcat守护进程
这是我的过程。 运行脚本>打开监听器>在第二台计算机使用netcat来连接>名为nodefunction
服务器我已经SERVER_PORT编码为“4444”
文件名上的脚本运行的函数:run_hangman
nc -l -k -v -p 4444 | bash hangman
文件名:刽子手
#!/bin/bash
msg_timeout=0
host_ows=1
server_port=4444
dubOws=xxx.xxx.xxx.xxx
initServer() {
hostIP=`ip -o addr show dev "eth0" | awk '$3 == "inet" {print $4}' | sed -r 's!/.*!!; s!.*\.!!'`
hostOws=`echo $hostIP | cut -d . -f 4`
}
servermsg(){ #message //if = --n, echos on same line
if [ "$1" != "--n" ]
then
echo `date +"%T"` "[SERVER] "$1
else
echo -n `date +"%T"` "[SERVER] "
fi
}
owsmsg(){ #message //if = --n, echos on same line
if [ "$1" != "--n" ]
then
echo `date +"%T"` "[OWS] "$1
else
echo -n `date +"%T"` "[OWS] "
fi
}
playermsg() {
if [ "$1" != "--n" ]
then
echo `date +"%T"` "[PLAYER] "$1
else
echo -n `date +"%T"` "[PLAYER] "
fi
}
question(){ #question, read, example
servermsg "$1"
if [ -n "$3" ]
then
servermsg "$3"
fi
read $2
echo ""
}
owsArray(){ #
for targetOws in $player_list
do
owsArray+=("OWS"$targetOws)
done
echo -n ${owsArray[*]}
echo
}
openSocket() {
servermsg "Starting the Game Listener"
servermsg "Opening Listener on port "$server_port
#nc -k -l $server_port |bash
#nc -kl -q 1 -p $server_port # This should create the listener & This is where everything stops.
servermsg "Now listening on port "$server_port
}
initServer
owsmsg "Starting server on OWS"$hostOws"..."
question "Enter all the OWSs that will play:" player_list "Example: 1 9 14 23"
echo $player_list
question "Type a category hint:" game_cat "Example: Type of Animal"
question "Type your word:" game_word "Example: zebra"
question "How many guesses:" game_guesses "Example: 7"
servermsg "OWS"$host_ows "has created a Hangman session"
servermsg "Players are:"; servermsg --n; owsArray
servermsg "Your word is "${#game_word}" letters long and players have "$game_guesses" guesses"
question "If this is all correct press enter, or CTRL+C to cancel"
openSocket
# I think I need a While script here to read the RAW input and run the playermsg function with the input?
我运行run_hangman文件,然后我通过我的节点计算机连接到它。我输入以下行并回显“1 2 3”,因为这是我所需要的。我也不能在运行“run_hangman”的窗口中直接输入“1 2 3”,就好像我按Enter键进入一个新行。
echo "1 2 3" >/dev/tcp/xxx.xxx.xxx.xxx/4444
服务器表明,它连接
Listening on [0.0.0.0] (family 0, port 4444)
14:52:24 [OWS] Starting server on OWS225...
14:52:24 [SERVER] Enter all the OWSs that will play:
14:52:24 [SERVER] Example: 1 9 14 23
Connection from [xxx.xxx.xxx.xxx] port 4444 [tcp/*] accepted (family 2, sport 41564)
Connection closed, listening again.
1 2 3
现在,一旦它到达openSocket就会让我送多一个回声,然后将其关闭的服务器上。我需要得到我认为是一段时间的声明,并让它监听像“playermsg”已经开始游戏一样的输入,并让它真正在服务器上运行该功能。
我将能够得到这个运行,几乎好像它必须在后台?我一直在使用nc(1)作为参考,有些网站说要尝试-d
,那也不管用。