mirror of
https://github.com/GNS3/gns3-server.git
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70 lines
2.2 KiB
Python
70 lines
2.2 KiB
Python
# -*- coding: utf-8 -*-
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#
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# Copyright (C) 2020 GNS3 Technologies Inc.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""
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API endpoints for controller notifications.
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"""
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from fastapi import APIRouter, Request, Response, WebSocket, WebSocketDisconnect
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from websockets.exceptions import WebSocketException
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from gns3server.controller import Controller
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router = APIRouter()
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import logging
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log = logging.getLogger(__name__)
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# @router.get("/")
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# async def notification(request: Request):
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# """
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# Receive notifications about the controller from HTTP
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# """
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#
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# controller = Controller.instance()
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#
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# await response.prepare(request)
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# response = Response(content, media_type="application/json")
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#
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# with controller.notification.controller_queue() as queue:
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# while True:
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# msg = await queue.get_json(5)
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# await response.write(("{}\n".format(msg)).encode("utf-8"))
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#
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#
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# await response(scope, receive, send)
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@router.websocket("/ws")
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async def notification_ws(websocket: WebSocket):
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"""
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Receive notifications about the controller from a Websocket
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"""
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controller = Controller.instance()
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await websocket.accept()
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log.info("New client has connected to controller WebSocket")
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try:
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with controller.notification.controller_queue() as queue:
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while True:
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notification = await queue.get_json(5)
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await websocket.send_text(notification)
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except (WebSocketException, WebSocketDisconnect):
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log.info("Client has disconnected from controller WebSocket")
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await websocket.close()
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