import socket
import numpy as np
import time

startPixel = 0
HOST = '127.0.0.1'
PORT = 5555

print('Creating socket')
serverSocket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
print('Binding')
serverSocket.bind((HOST, PORT))
print('Listening')
serverSocket.listen()
print('Waiting for client')
clientSocket, clientAddress = serverSocket.accept()
while True:
    data = np.array(list(range(startPixel, startPixel + 4)), dtype=np.uint8)
    print('[Server]', data)
    startPixel = 0 if startPixel == 253 else startPixel + 1
    clientSocket.send(data.tobytes())
    time.sleep(0.5)