class RuntimeState:
    def __init__(self):
        self.hello = True
        self.ws_client_count = 0

    def ws_connected(self):
        self.ws_client_count += 1
        self.hello = False

    def ws_disconnected(self):
        self.ws_client_count = max(0, self.ws_client_count - 1)
        self.hello = self.ws_client_count == 0