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websocket: Updated Kconfig to use 'echo.websocket.events' echo server

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Updated README to show how to run websocket echo server using Flask

Merges https://github.com/espressif/esp-idf/pull/8262
This commit is contained in:
dizcza 2022-01-19 11:52:55 +02:00 committed by gabsuren
parent 84d11d1c3e
commit 23598dfcec
2 changed files with 34 additions and 2 deletions
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34
examples/protocols/websocket/README.md
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@ -36,7 +36,7 @@ I (4472) tcpip_adapter: eth ip: 192.168.2.137, mask: 255.255.255.0, gw: 192.168.
I (4472) example_connect: Connected to Ethernet
I (4472) example_connect: IPv4 address: 192.168.2.137
I (4472) example_connect: IPv6 address: fe80:0000:0000:0000:bedd:c2ff:fed4:a92b
I (4482) WEBSOCKET: Connecting to ws://echo.websocket.org...
I (4482) WEBSOCKET: Connecting to ws://echo.websocket.events...
I (5012) WEBSOCKET: WEBSOCKET_EVENT_CONNECTED
I (5492) WEBSOCKET: Sending hello 0000
I (6052) WEBSOCKET: WEBSOCKET_EVENT_DATA
@ -56,3 +56,35 @@ W (9162) WEBSOCKET: Received=hello 0003
```
## Python Flask echo server
By default, the `ws://echo.websocket.events` endpoint is used. You can setup a Python websocket echo server locally and try the `ws://<your-ip>:5000` endpoint. To do this, install Flask-sock Python package
```
pip install flask-sock
```
and start a Flask websocket echo server locally by executing the following Python code:
```python
from flask import Flask
from flask_sock import Sock
app = Flask(__name__)
sock = Sock(app)
@sock.route('/')
def echo(ws):
while True:
data = ws.receive()
ws.send(data)
if __name__ == '__main__':
# To run your Flask + WebSocket server in production you can use Gunicorn:
# gunicorn -b 0.0.0.0:5000 --workers 4 --threads 100 module:app
app.run(host="0.0.0.0", debug=True)
```

2
examples/protocols/websocket/main/Kconfig.projbuild
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@ -16,7 +16,7 @@ menu "Example Configuration"
config WEBSOCKET_URI
string "Websocket endpoint URI"
depends on WEBSOCKET_URI_FROM_STRING
default "ws://echo.websocket.org"
default "ws://echo.websocket.events"
help
URL of websocket endpoint this example connects to and sends echo