#!/bin/bash
#this script is used to get tcp and udp connetion status

pub=$1
net(){
    netstat -ant | grep -c $1
}

case $pub in
    ESTABLISHED)
        net $pub
    ;;
    CLOSED)
        net $pub
    ;;
    CLOSING)
        net $pub
    ;;
    CLOSE_WAIT)
        net $pub
    ;;
    TIME_WAIT)
        net $pub
    ;;
    LAST_ACK)
        net $pub
    ;;
    LISTEN)
        net $pub
    ;;
    SYN_RECV)
        net $pub
    ;;
    SYN_SENT)
        net $pub
    ;;
    FIN_WAIT1)
        net $pub
    ;;
    FIN_WAIT2)
        net $pub
    ;;
    *)
    echo -e "\e[033mUsage: sh  $0 [closed|closing|closewait|synrecv|synsent|finwait1|finwait2|listen|established|lastack|timewait]\e[0m"
    ;;
esac