websockets stuff
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Mathieu Broillet
parent
6955fcabc1
commit
78ca6c5c07
@ -1,28 +1,84 @@
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<!DOCTYPE HTML>
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<html>
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<head>
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<title>Socket-Test</title>
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<script src="https://code.jquery.com/jquery-1.12.4.min.js"></script>
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<script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/4.5.4/socket.io.js"></script>
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<title>Flask-SocketIO Test</title>
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<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.5.1/jquery.min.js" integrity="sha512-bLT0Qm9VnAYZDflyKcBaQ2gg0hSYNQrJ8RilYldYQ1FxQYoCLtUjuuRuZo+fjqhx/qtq/1itJ0C2ejDxltZVFg==" crossorigin="anonymous"></script>
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<script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/3.0.4/socket.io.js" integrity="sha512-aMGMvNYu8Ue4G+fHa359jcPb1u+ytAF+P2SCb+PxrjCdO3n3ZTxJ30zuH39rimUggmTwmh2u7wvQsDTHESnmfQ==" crossorigin="anonymous"></script>
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<script type="text/javascript" charset="utf-8">
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$(document).ready(function() {
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// Connect to the Socket.IO server.
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// The connection URL has the following format, relative to the current page:
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// http[s]://<domain>:<port>[/<namespace>]
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var socket = io();
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namespace = '/test';
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var socket = io(namespace);
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// Event handler for new connections.
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// The callback function is invoked when a connection with the
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// server is established.
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socket.on('connect', function() {
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socket.emit('my_event', {data: 'connected to the SocketServer...'});
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socket.emit('my_event', {data: 'I\'m connected!'});
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});
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// Event handler for server sent data.
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// The callback function is invoked whenever the server emits data
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// to the client. The data is then displayed in the "Received"
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// section of the page.
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socket.on('my_response', function(msg, cb) {
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$('#log').append('<br>' + $('<div/>').text('logs #' + msg.count + ': ' + msg.data).html());
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$('#log').append('<br>' + $('<div/>').text('Received #' + msg.count + ': ' + msg.data).html());
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if (cb)
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cb();
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});
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// Interval function that tests message latency by sending a "ping"
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// message. The server then responds with a "pong" message and the
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// round trip time is measured.
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var ping_pong_times = [];
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var start_time;
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window.setInterval(function() {
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start_time = (new Date).getTime();
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$('#transport').text(socket.io.engine.transport.name);
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socket.emit('my_ping');
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}, 1000);
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// Handler for the "pong" message. When the pong is received, the
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// time from the ping is stored, and the average of the last 30
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// samples is average and displayed.
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socket.on('my_pong', function() {
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var latency = (new Date).getTime() - start_time;
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ping_pong_times.push(latency);
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ping_pong_times = ping_pong_times.slice(-30); // keep last 30 samples
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var sum = 0;
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for (var i = 0; i < ping_pong_times.length; i++)
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sum += ping_pong_times[i];
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$('#ping-pong').text(Math.round(10 * sum / ping_pong_times.length) / 10);
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});
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// Handlers for the different forms in the page.
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// These accept data from the user and send it to the server in a
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// variety of ways
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$('form#emit').submit(function(event) {
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socket.emit('my_event', {data: $('#emit_data').val()});
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return false;
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});
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$('form#broadcast').submit(function(event) {
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socket.emit('my_broadcast_event', {data: $('#broadcast_data').val()});
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return false;
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});
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$('form#join').submit(function(event) {
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socket.emit('join', {room: $('#join_room').val()});
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return false;
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});
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$('form#leave').submit(function(event) {
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socket.emit('leave', {room: $('#leave_room').val()});
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return false;
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});
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$('form#send_room').submit(function(event) {
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socket.emit('my_room_event', {room: $('#room_name').val(), data: $('#room_data').val()});
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return false;
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});
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$('form#close').submit(function(event) {
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socket.emit('close_room', {room: $('#close_room').val()});
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return false;
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});
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$('form#disconnect').submit(function(event) {
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socket.emit('disconnect_request');
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return false;
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@ -30,18 +86,43 @@
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});
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</script>
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</head>
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<body style="background-color:white;">
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<h1 style="background-color:white;">Socket</h1>
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<body>
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<h1>Flask-SocketIO Test</h1>
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<p>
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Async mode is: <b>{{ async_mode }}</b><br>
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Current transport is: <b><span id="transport"></span></b><br>
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Average ping/pong latency: <b><span id="ping-pong"></span>ms</b>
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</p>
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<h2>Send:</h2>
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<form id="emit" method="POST" action='#'>
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<input type="text" name="emit_data" id="emit_data" placeholder="Message">
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<input type="submit" value="Send Message">
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<input type="submit" value="Echo">
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</form>
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<form id="broadcast" method="POST" action='#'>
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<input type="text" name="broadcast_data" id="broadcast_data" placeholder="Message">
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<input type="submit" value="Broadcast">
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</form>
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<form id="join" method="POST" action='#'>
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<input type="text" name="join_room" id="join_room" placeholder="Room Name">
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<input type="submit" value="Join Room">
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</form>
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<form id="leave" method="POST" action='#'>
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<input type="text" name="leave_room" id="leave_room" placeholder="Room Name">
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<input type="submit" value="Leave Room">
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</form>
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<form id="send_room" method="POST" action='#'>
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<input type="text" name="room_name" id="room_name" placeholder="Room Name">
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<input type="text" name="room_data" id="room_data" placeholder="Message">
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<input type="submit" value="Send to Room">
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</form>
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<form id="close" method="POST" action="#">
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<input type="text" name="close_room" id="close_room" placeholder="Room Name">
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<input type="submit" value="Close Room">
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</form>
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<form id="disconnect" method="POST" action="#">
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<input type="submit" value="Disconnect Server">
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<input type="submit" value="Disconnect">
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</form>
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<h2 style="background-color:white;">Logs</h2>
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<div id="log" ></div>
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<h2>Receive:</h2>
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<div id="log"></div>
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</body>
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</html>
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@ -1,39 +1,110 @@
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from flask import Flask, render_template, session, copy_current_request_context
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from flask_socketio import SocketIO, emit, disconnect
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from threading import Lock
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from flask import Flask, render_template, session, request, \
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copy_current_request_context
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from flask_socketio import SocketIO, emit, join_room, leave_room, \
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close_room, rooms, disconnect
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# Set this variable to "threading", "eventlet" or "gevent" to test the
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# different async modes, or leave it set to None for the application to choose
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# the best option based on installed packages.
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async_mode = None
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app = Flask(__name__)
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app.config['SECRET_KEY'] = 'secret!'
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socket_ = SocketIO(app, async_mode=async_mode)
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socketio = SocketIO(app, async_mode=async_mode)
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thread = None
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thread_lock = Lock()
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@app.route('/')
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def index():
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return render_template('index.html', async_mode=socket_.async_mode)
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return render_template('index.html', async_mode=socketio.async_mode)
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@socket_.on('my_event', namespace='/test')
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def test_message(message):
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@app.route('/test')
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def test():
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send_text_to_room("salut c'est serveur", "192.168.1.130")
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return "OK"
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def send_text_to_room(text, room_id):
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session['receive_count'] = session.get('receive_count', 0) + 1
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socketio.emit('my_response', {'data': text, 'count': session['receive_count']}, to=room_id)
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@socketio.event
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def my_event(message):
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session['receive_count'] = session.get('receive_count', 0) + 1
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emit('my_response',
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{'data': message['data'], 'count': session['receive_count']})
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@socket_.on('disconnect_request', namespace='/test')
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@socketio.event
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def my_broadcast_event(message):
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session['receive_count'] = session.get('receive_count', 0) + 1
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emit('my_response',
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{'data': message['data'], 'count': session['receive_count']},
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broadcast=True)
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@socketio.event
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def join(message):
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join_room(message['room'])
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session['receive_count'] = session.get('receive_count', 0) + 1
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emit('my_response',
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{'data': 'In rooms: ' + ', '.join(rooms()),
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'count': session['receive_count']})
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@socketio.event
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def leave(message):
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leave_room(message['room'])
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session['receive_count'] = session.get('receive_count', 0) + 1
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emit('my_response',
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{'data': 'In rooms: ' + ', '.join(rooms()),
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'count': session['receive_count']})
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@socketio.on('close_room')
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def on_close_room(message):
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session['receive_count'] = session.get('receive_count', 0) + 1
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emit('my_response', {'data': 'Room ' + message['room'] + ' is closing.',
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'count': session['receive_count']},
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to=message['room'])
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close_room(message['room'])
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@socketio.event
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def disconnect_request():
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@copy_current_request_context
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def can_disconnect():
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disconnect()
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session['receive_count'] = session.get('receive_count', 0) + 1
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# for this emit we use a callback function
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# when the callback function is invoked we know that the message has been
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# received and it is safe to disconnect
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emit('my_response',
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{'data': 'Disconnected!', 'count': session['receive_count']},
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callback=can_disconnect)
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@socketio.event
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def my_ping():
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emit('my_pong')
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@socketio.event
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def connect():
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global thread
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emit('my_response', {'data': 'Connected', 'count': 0})
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@socketio.on('disconnect')
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def test_disconnect():
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print('Client disconnected', request.sid)
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if __name__ == '__main__':
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socket_.run(app, debug=True, host='0.0.0.0')
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socketio.run(app)
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