Files
bingo/app.py
2020-01-09 08:54:13 -05:00

102 lines
3.3 KiB
Python

from threading import Lock
from flask import Flask, request, session
from flask_socketio import Namespace, join_room, leave_room, SocketIO, emit, rooms, close_room, disconnect
from common import config
app = Flask(__name__)
app.config['SECRET_KEY'] = 'secret!'
# TODO: test mode mode "threading", "eventlet" or "gevent"
socketio = SocketIO(app, async_mode=None)
# TODO: wth is that?!
thread = None
thread_lock = Lock()
@app.route("/")
def page_index():
return "Hello, world"
def background_thread():
"""Example of how to send server generated events to clients."""
count = 0
while True:
socketio.sleep(10)
count += 1
socketio.emit('my_response',
{'data': 'Server generated event', 'count': count},
namespace='/test')
# When class-based namespaces are used, any events received by the server are dispatched to a method named as the
# event name with the on_ prefix. For example, event my_event will be handled by a method named on_my_event
class BingoNamespace(Namespace):
def on_my_event(self, message):
session['receive_count'] = session.get('receive_count', 0) + 1
emit('my_response',
{'data': message['data'], 'count': session['receive_count']})
def on_my_broadcast_event(self, message):
session['receive_count'] = session.get('receive_count', 0) + 1
emit('my_response',
{'data': message['data'], 'count': session['receive_count']},
broadcast=True)
def on_join(self, message):
join_room(message['room'])
session['receive_count'] = session.get('receive_count', 0) + 1
emit('my_response',
{'data': 'In rooms: ' + ', '.join(rooms()),
'count': session['receive_count']})
def on_leave(self, message):
leave_room(message['room'])
session['receive_count'] = session.get('receive_count', 0) + 1
emit('my_response',
{'data': 'In rooms: ' + ', '.join(rooms()),
'count': session['receive_count']})
def on_close_room(self, message):
session['receive_count'] = session.get('receive_count', 0) + 1
emit('my_response', {'data': 'Room ' + message['room'] + ' is closing.',
'count': session['receive_count']},
room=message['room'])
close_room(message['room'])
def on_my_room_event(self, message):
session['receive_count'] = session.get('receive_count', 0) + 1
emit('my_response',
{'data': message['data'], 'count': session['receive_count']},
room=message['room'])
def on_disconnect_request(self):
session['receive_count'] = session.get('receive_count', 0) + 1
emit('my_response',
{'data': 'Disconnected!', 'count': session['receive_count']})
disconnect()
def on_my_ping(self):
emit('my_pong')
def on_connect(self):
global thread
with thread_lock:
if thread is None:
thread = socketio.start_background_task(background_thread)
emit('my_response', {'data': 'Connected', 'count': 0})
def on_disconnect(self):
print('Client disconnected', request.sid)
if __name__ == "__main__":
socketio.run(
app=app,
port=config["API_PORT"],
host=config["API_HOST"],
)