SO-EditMonitor/wsserver.py at master · thomas-daniels/SO-EditMonitor · GitHub

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from websocket_server import WebsocketServer
from threading import Thread


class WSServer:
    def __init__(self):
        self.serv = None
        self.clients = []
        self.previous_messages = []

    def start(self):
        port = 4001
        self.serv = WebsocketServer(port, "0.0.0.0")
        self.serv.set_fn_new_client(self.client_joined)
        self.serv.set_fn_message_received(self.message_received)
        self.serv.set_fn_client_left(self.client_left)
        thr = Thread(target=lambda: self.serv.run_forever())
        thr.start()

    def stop(self):
        self.serv.shutdown()
        self.serv.server_close()

    def send_ws_message(self, msg):
        if not self.is_enabled():
            return
        self.previous_messages.append(msg)
        self.serv.send_message_to_all(msg)

    def is_enabled(self):
        return self.serv is not None

    def client_joined(self, client, server):
        if len(self.previous_messages) == 0:
            return
        server.send_message(client, "payload-start")
        for prev_msg in self.previous_messages:
            server.send_message(client, prev_msg)
        server.send_message(client, "payload-end")

    def message_received(self, client, server):
        pass

    def client_left(self, client, server):
        pass