class WaitState:
	def waitMsg(self, context):	
		data = context.connection.receive()
		if not data:
			print("[WaitState] : Connection lost with camera at {}:{}".format(context.connection.addr, context.connection.port))
			context.close()
			return None
		else:
			return data


	def handle(self, context):
		raise NotImplementedError()


	def tic(self, context):
		raise NotImplementedError()