ledcontrolserver.py

##	createbindcocket.py
import socket
import sys

## AF_INET = communicate on internet - always use this
## SOCK_STREAM = TCP connection - more reliable, use this not UDP
mysock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
##	Arbitrary port
try:
	mysock.bind("", 1234)
except socket.error:
	print("Failed to bind")
	sys.exit()
	
## Listen and accept
##	5 is backlog, the number of requests allowed to wait for service
mysock.listen(5)


##	liveserver.py
while True:
	## Returns a connection (for sending/receiving) and an address (IP, port)
	## conn = connection
	## addr = address, ip + port
	conn, addr = mysock.accept()
	data = conn.recv(1000)
	if not data:
		break
	##	Switch the led on/off
	##	Data is a byte array, not string
	if data == b'on':
		GPIO.output(13, True)
	if data == b'off':
		GPIO.output(13, False)
conn.close()
mysock.close()