pythonasyncioeventletgeventlong-pollinglow-latencysocket-iosocketiosocketio-serverweb-serverwebsocket
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
38 lines
734 B
38 lines
734 B
import asyncio
|
|
import time
|
|
import socketio
|
|
|
|
loop = asyncio.get_event_loop()
|
|
sio = socketio.AsyncClient()
|
|
start_timer = None
|
|
|
|
|
|
async def send_ping():
|
|
global start_timer
|
|
start_timer = time.time()
|
|
await sio.emit('ping_from_client')
|
|
|
|
|
|
@sio.event
|
|
async def connect():
|
|
print('connected to server')
|
|
await send_ping()
|
|
|
|
|
|
@sio.event
|
|
async def pong_from_server():
|
|
global start_timer
|
|
latency = time.time() - start_timer
|
|
print('latency is {0:.2f} ms'.format(latency * 1000))
|
|
await sio.sleep(1)
|
|
if sio.connected:
|
|
await send_ping()
|
|
|
|
|
|
async def start_server():
|
|
await sio.connect('http://localhost:5000')
|
|
await sio.wait()
|
|
|
|
|
|
if __name__ == '__main__':
|
|
loop.run_until_complete(start_server())
|
|
|