bClient.sh

Once RF24Gateway and RF24Ethernet are configured, standard tools can be used to interact with the sensor nodes.
Example of on demand LED/Lighting control using a Bash script.

#!/bin/bash
 
 
if (( $# != 2 ))
then
  echo "Usage: ... ./bClient.sh <IP> <ON/OFF>"
  exit 1
fi
 
IP=$1
PAGE=$2
 
URL=":1000/"
SUFFIX="</td*"
 
#Build a request ( http://10.10.2.4:1000/ON )
REQUEST="http://"$IP$URL$PAGE
 
#Make the request, with 1 retry and a timeout of 10 seconds per retry (max 20 seconds per request)
RESULT=$(wget -q --tries=1 --timeout=10 -O- $REQUEST | grep 'LED is')
 
#Trim the HTML from the result
RESULT=${RESULT%$SUFFIX}
 
#If succesful, print status, else indicate failure
if [ ${#RESULT} -ne 0 ]
then
  echo $RESULT
else
  echo "Request Failed"
fi