<class 'socket.error'> ([Errno 111] Connection refused)

I am working on a home automation application using python, but since migrating from my local setup to two physical machines (Server, Client), I get a rejection error:

Traceback (last call last): File "/opt/web-apps/web2py/gluon/restricted.py", line 227, in restricted exec ccode in environment File "/ opt / web-apps / web2py / applications / Home_Plugs / controllers /default.py ", line 85, in" /opt/web-apps/web2py/gluon/globals.py ", line 393, in self._caller = lambda f: f () File" / opt / web-apps /web2py/gluon/tools.py ", line 3440, returning action (* a, ** b) File" /opt/web-apps/web2py/applications/Home_Plugs/controllers/default.py ", line 32, at toggle file GPIO.setup (light.OnPin, GPIO.OUTPUT) "application / Home_Plugs / modules / GPIOClient.py", line 23, in setting File "application / Home_Plugs / modules / GPIOClient.py", line 18, in host message = '192.168.1.79 "File" / usr / lib 64 / python2.7 / socket.py ", line 224,in return method getattr (self._sock, name) (* args) error: [Errno 111] Connection refused

Server code :

#!/usr/bin/env python
import socket
import RPi.GPIO as GPIO
import sys
import logging

SETUP = chr(0)
OUTPUT = chr(1)

GPIO.setmode(GPIO.BOARD)

def gpio_setup(data):
    pin,dir = ord(data[0]),ord(data[1])
    GPIO.setup(pin,dir)
    logging.gpioServerLog("setup" + str(pin) + str(dir))
    return 0

def gpio_output(data):
    pin,val = ord(data[0]),ord(data[1])
    GPIO.output(pin,val)
    logging.gpioServerLog("out" + str(pin) + str(val))
    return 0

if __name__=='__main__':
    HOST = ''
    PORT = 21567
    BUFSIZ = 1024
    ADDR = (HOST, PORT)
    serversock = socket.socket()
    serversock.bind(ADDR)
    serversock.listen(5)

    while 1:
        ret = None
        logging.gpioServerLog('waiting for connection...')
        clientsock, addr = serversock.accept()
        logging.gpioServerLog('...connected from:' + str(addr))
        data = clientsock.recv(BUFSIZ)
        if data[0] == SETUP:
            ret = gpio_setup(data[1:])
        elif data[0] == OUTPUT:
            ret = gpio_output(data[1:])

        if  ret:
        clientsock.send('Thank you for conencting')
            clientsock.send(ret)
            clientsock.close()

      

        
        
        
      

    

Client code :

#!/usr/bin/env python
# coding: utf8

import socket
import struct

SETUP_CMD = chr(0)
OUTPUT_CMD = chr(1)

OUTPUT = chr(0)
INPUT = chr(1)

ON = chr(1)
OFF = chr(0)

def send(data):
     sock = socket.socket()
     host = '192.168.1.79'
     port = 21567
     sock.connect((host,port))
     sock.send(data)
     sock.close

def setup(pin,dir):
    data = struct.pack("ccc",SETUP_CMD,chr(pin),dir)
    send(data)

def output(pin,val):
    data = struct.pack("ccc",OUTPUT_CMD,chr(pin),val)
    send(data)

      

        
        
        
      

    

Machines : Server - Raspbian Wheezy / Python 2.7 Client - CentOS 7 / Python 2.7

I have disabled all firewalls to avoid blocking connections. Telnet works

I also have a test client.py script that also works when run from the client command line:

#!/usr/bin/python
# This is client.py file

import socket               # Import socket module
import GPIOClient as GPIO
import time

GPIO.setup(11,GPIO.OUTPUT)
GPIO.output(11,GPIO.ON)
time.sleep(1)
GPIO.setup(11,GPIO.INPUT)

      

        
        
        
      

    

Any help would be much appreciated

More information required, please let me know

Thanks in Advance