#!/bin/bash

PPPLINKNAME="/var/run/ppp-HuaweiMobile.pid"

if [ ! -f $PPPLINKNAME ]
then
    exit 0
fi

PPPNAME=`cat $PPPLINKNAME | grep ppp`

if [ "x${PPPNAME}" = "x" ]
then
    exit 0
fi

RXBYTES=`ifconfig $PPPNAME | grep "RX bytes" | sed "s/TX[^$]*// g" | sed "s/([^$]*)//g" | sed "s/[^0-9]//g"` 
TXBYTES=`ifconfig $PPPNAME | grep "TX bytes" | sed "s/RX[^$]*TX// g" | sed "s/([^$]*)//g" | sed "s/[^0-9]//g"` 

if [ "x${1}" = "xRX" ]
then
    exit $RXBYTES
elif [ "x${1}" = "xTX" ]
then
    exit $TXBYTES
fi

echo "0,${RXBYTES},${TXBYTES}"

exit 0
