import socket
import RPi.GPIO as GPIO
import time

GPIO.cleanup
GPIO.setmode(GPIO.BCM)
GPIO.setup(25, GPIO.OUT)

HOST = '192.168.0.2'
PORT = 5000

GPIO.output(25, True)
time.sleep(1)
GPIO.output(25, False)

s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.bind((HOST, PORT))
s.listen(1)

conn, addr = s.accept()
print 'Connected by', addr

while True:
        data = conn.recv(1024)
        print data
        print data[0]
        if data[0] == "a":
                print 'LED blink'
                GPIO.output(25, True)
        if data[0] == "b":
                print 'LED off'
                GPIO.output(25, False)
        if data[0] == "q":
                break
        conn.send(data)

conn.close()
GPIO.cleanup()