socketify.py/bench/asgi_wsgi/falcon-ws.py

54 wiersze
1.9 KiB
Python

import falcon.asgi
import falcon.media
from socketify import ASGI
clients = set([])
remaining_clients = 16
async def broadcast(message):
# some clients got disconnected if we tried to to all async :/
# tasks = [ws.send_text(message) for ws in client]
# return await asyncio.wait(tasks, return_when=ALL_COMPLETED)
for ws in clients:
await ws.send_text(message)
class SomeResource:
async def on_get(self, req, resp):
resp.status = falcon.HTTP_200 # This is the default status
resp.content_type = falcon.MEDIA_TEXT # Default is JSON, so override
resp.text = "Connect via ws protocol!"
async def on_websocket(self, req, ws):
global remaining_clients
try:
await ws.accept()
clients.add(ws)
remaining_clients -= 1
print("remaining_clients", remaining_clients)
if remaining_clients == 0:
await broadcast("ready")
while True:
payload = await ws.receive_text()
if payload:
await broadcast(payload)
except falcon.WebSocketDisconnected:
clients.remove(ws)
remaining_clients += 1
print("remaining_clients", remaining_clients)
app = falcon.asgi.App()
app.ws_options.max_receive_queue = 20_000_000# this virtual disables queue but adds overhead
app.ws_options.enable_buffered_receiver = False # this disable queue but for now only available on cirospaciari/falcon
app.add_route("/", SomeResource())
# python3 -m gunicorn falcon_server:app -b 127.0.0.1:4001 -w 1 -k uvicorn.workers.UvicornWorker
# pypy3 -m gunicorn falcon_server:app -b 127.0.0.1:4001 -w 1 -k uvicorn.workers.UvicornH11Worker
if __name__ == "__main__":
ASGI(app).listen(4001, lambda config: print(f"Listening on port http://localhost:{config.port} now\n")).run()
# 126550