Asynchronous Micropython uasyncio websocket服务器
我需要在ESP32上运行websocket服务器,当我从任何客户端连接时,会引发以下异常:Asynchronous Micropython uasyncio websocket服务器,asynchronous,websocket,server,micropython,Asynchronous,Websocket,Server,Micropython,我需要在ESP32上运行websocket服务器,当我从任何客户端连接时,会引发以下异常: MPY: soft reboot Network config: ('192.168.0.200', '255.255.255.0', '192.168.0.1', '8.8.8.8') b'Sec-WebSocket-Version: 13\r\n' b'Sec-WebSocket-Key: k5Lr79cZgBQg7irI247FMw==\r\n' b'Connection: Upgrade\r\n'
MPY: soft reboot
Network config: ('192.168.0.200', '255.255.255.0', '192.168.0.1', '8.8.8.8')
b'Sec-WebSocket-Version: 13\r\n'
b'Sec-WebSocket-Key: k5Lr79cZgBQg7irI247FMw==\r\n'
b'Connection: Upgrade\r\n'
b'Upgrade: websocket\r\n'
b'Sec-WebSocket-Extensions: permessage-deflate; client_max_window_bits\r\n'
b'Host: 192.168.0.200\r\n'
b'\r\n'
Finished webrepl handshake
Task exception wasn't retrieved
future: <Task> coro= <generator object 'echo' at 3ffe79b0>
Traceback (most recent call last):
File "uasyncio/core.py", line 1, in run_until_complete
File "main.py", line 22, in echo
File "uasyncio/websocket/server.py", line 60, in WSReader
AttributeError: 'Stream' object has no attribute 'ios'
实现asyncio v3,与引用的3年前的示例相比,它有许多突破性的更改
我建议你参考Peter Hinch的优秀作品,
和
import network
import machine
sta_if = network.WLAN(network.STA_IF)
sta_if.active(True)
sta_if.ifconfig(('192.168.0.200', '255.255.255.0', '192.168.0.1', '8.8.8.8'))
if not sta_if.isconnected():
print('connecting to network...')
sta_if.connect('my-ssid', 'my-password')
while not sta_if.isconnected():
machine.idle() # save power while waiting
print('Network config:', sta_if.ifconfig())
# from https://github.com/micropython/micropython-lib/blob/master/uasyncio.websocket.server/example_websock.py
import uasyncio
from uasyncio.websocket.server import WSReader, WSWriter
def echo(reader, writer):
# Consume GET line
yield from reader.readline()
reader = yield from WSReader(reader, writer)
writer = WSWriter(reader, writer)
while 1:
l = yield from reader.read(256)
print(l)
if l == b"\r":
await writer.awrite(b"\r\n")
else:
await writer.awrite(l)
import ulogging as logging
#logging.basicConfig(level=logging.INFO)
logging.basicConfig(level=logging.DEBUG)
loop = uasyncio.get_event_loop()
loop.create_task(uasyncio.start_server(echo, "0.0.0.0", 80))
loop.run_forever()
loop.close()