Shell检测IP和端口

检测IP

Eg.

RET_FAIL=1
RET_SUCCESS=0
# check ip is reach
#   input ip / ip:port
function ip_is_reach()
{
    l_host=${1}
    l_host_ip=$( echo ${l_host} | cut -f1 -d ':'  )
    detect_log "ping host ${l_host_ip}"
    ping -c2 -i0.1 -W2 ${l_host_ip} 2>&1 > /dev/zero
    if [ $? != 0 ]; then
        return ${RET_FAIL};
    else
        return ${RET_SUCCESS};
    fi
}

检测IP和端口

Eg.

RET_FAIL=1
RET_SUCCESS=0
# check ip:port is reach
#   input: ip:port
function ip_port_is_reach(){
    l_host=${1}

    l_host_ip=""
    l_host_port=""

    # "ip:host"解析成l_host_ip和l_host_port
    if [ `echo  ${l_host} | grep -c ":"` -ne '0' ]; then
        l_host_ip=$(echo ${l_host} | cut -f1 -d ':' )
        l_host_port=$(echo ${l_host} | cut -f2 -d ':' )
    fi

    result=`echo -e "\n" | telnet ${l_host_ip} ${l_host_port} 2>/dev/null | grep Connected | wc -l`
    if [ $result != 1 ]; then
        return ${RET_FAIL};
    else
        return ${RET_SUCCESS};
    fi
}