#!/bin/sh
loggerName=wpa_action.sh
IFNAME=$1
CMD=$2

WPA_CLI=/opt/ti-wireless/WL6.1.6.0.3/wpa_cli
WLAN_CONFIG=/home/tool/config/wlan.json
DHCP_CLIENT=/etc/udhcpc/./startdhcpclient.sh
RENEWDHCP=/etc/udhcpc/./renewdhcplease.sh

case "$2" in
    CONNECTED)
        cat $WLAN_CONFIG | grep 'dhcp' > /dev/null 2>&1
        if [ "$?" -eq "0" ]; then
          ps | grep "[u]dhcpc -i tiwlan0" | awk '{print $1}'
           if [ "$?" -eq "0" ]; then
	    $DHCP_CLIENT &            
	  else
            PID=`ps | grep "[u]dhcpc -i tiwlan0" | awk '{print $1}'`
	    logger -s -t $loggerName "dhcp client already activ pid<$PID>";
	    $RENEWDHCP &  
          fi	
        else 
	  cat $WLAN_CONFIG | grep '"garp": true' > /dev/null 2>&1
	  if [ "$?" -eq "0" ]; then
	   ifconfig $IFNAME down
           ifconfig $IFNAME up
          fi

        fi
	
        SSID=`$WPA_CLI -i$IFNAME status | grep ^ssid= | cut -f2- -d=`
        logger -s -t $loggerName "WPA supplicant: connection established with $SSID";

        ;;
    DISCONNECTED)

        logger -s -t $loggerName "WPA supplicant: connection lost";

        ;;
esac