import asyncio
import datetime
import random
import websockets

async def hello(websocket, path):
	name = await websocket.recv()
	print(f"< {name}")

	greeting = f"Hello {name}!"

	await websocket.send(greeting)
	print(f"> {greeting}")

# start_server = websocket.serve(hello, 'localhost', 8765)

async def time(websocket, path):
	while True:
		now = datetime.datetime.utcnow().isoformat() + 'Z'
		await websocket.send(now)
		# await asyncio.sleep(random.random() * 3)
		await asyncio.sleep(1)

start_server = websockets.serve(time, 'localhost', 5678)

asyncio.get_event_loop().run_until_complete(start_server)
asyncio.get_event_loop().run_forever()