Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
NodeJS + SocketIO
Search
Federico Ravasio
October 15, 2012
Programming
0
140
NodeJS + SocketIO
Lightning talk @ Codelovers.
Federico Ravasio
October 15, 2012
Tweet
Share
More Decks by Federico Ravasio
See All by Federico Ravasio
The art of Mocking
razielgn
1
180
Concurrency vs. Parallelism 2.0 - RubyDay 2013
razielgn
3
170
Concurrency vs. Parallelism - Codelovers 2013
razielgn
3
180
Guida intergalattica per contributori Open Source
razielgn
0
51
Other Decks in Programming
See All in Programming
タスクの特性や不確実性に応じた最適な作業スタイルの選択(ペアプロ・モブプロ・ソロプロ)と実践 / Optimal Work Style Selection: Pair, Mob, or Solo Programming.
honyanya
3
190
マンガアプリViewerの大画面対応を考える
kk__777
0
160
The Past, Present, and Future of Enterprise Java
ivargrimstad
0
220
O Que É e Como Funciona o PHP-FPM?
marcelgsantos
0
190
Server Side Kotlin Meetup vol.16: 内部動作を理解して ハイパフォーマンスなサーバサイド Kotlin アプリケーションを書こう
ternbusty
3
240
AkarengaLT vol.38
hashimoto_kei
1
120
AIと人間の共創開発!OSSで試行錯誤した開発スタイル
mae616
2
800
CSC305 Lecture 08
javiergs
PRO
0
270
Developer Joy - The New Paradigm
hollycummins
1
360
One Enishi After Another
snoozer05
PRO
0
150
バッチ処理を「状態の記録」から「事実の記録」へ
panda728
PRO
0
190
Go言語はstack overflowの夢を見るか?
logica0419
0
520
Featured
See All Featured
How GitHub (no longer) Works
holman
315
140k
Making the Leap to Tech Lead
cromwellryan
135
9.6k
We Have a Design System, Now What?
morganepeng
53
7.8k
Designing for Performance
lara
610
69k
Large-scale JavaScript Application Architecture
addyosmani
514
110k
What's in a price? How to price your products and services
michaelherold
246
12k
JavaScript: Past, Present, and Future - NDC Porto 2020
reverentgeek
52
5.7k
How to Ace a Technical Interview
jacobian
280
24k
YesSQL, Process and Tooling at Scale
rocio
173
15k
Building Flexible Design Systems
yeseniaperezcruz
329
39k
The Myth of the Modular Monolith - Day 2 Keynote - Rails World 2024
eileencodes
26
3.1k
Building a Modern Day E-commerce SEO Strategy
aleyda
44
7.8k
Transcript
+
Orientato agli eventi I/O asincrono Reactor pattern Google V8 Singolo
thread
Websocket con fallback Semplice messaggistica
None
“In attesa di uno straniero...” “Stai parlando con uno straniero,
salutalo!” Straniero: asl? Tu: 98 m antarctica Straniero: o_o” [Qualcuno lascia la chat]
Server
var waiting = []; // Lista client in attesa var
couples = {}; // { // clientID: stranger, // strangerID: client // ... // }
var io = SocketIO.listen(server); // server è un server HTTP
già inizializzato io.sockets.on('connection', function(client) { // ... });
io.sockets.on('connection', function(client) { if (waiting.length == 0) { waiting.push(client); client.emit('waiting');
} else { var stranger = waiting.pop(); couples[client.id] = stranger; couples[stranger.id] = client; client.emit('partner'); stranger.emit('partner'); } // ... });
io.sockets.on('connection', function(client) { // ... client.on('message', function(message) { couples[client.id].emit('message', message);
}); // ... });
io.sockets.on('connection', function(client) { // ... client.on('disconnect', function() { if (stranger
= couples[client.id]) { stranger.emit('left'); delete couples[stranger.id]; delete couples[client.id]; } }); });
Client
var socket = io.connect(); socket.on('waiting', function() { logMessage('Waiting for a
stranger...'); }); socket.on('partner', function() { logMessage('You are now chatting with...'); }); socket.on('message', function(message) { logMessage(message); }); socket.on('left', function() { this.logMessage('Stranger has left...'); socket.disconnect(); });
var leaveConversation = function() { logMessage('You have left...'); socket.disconnect(); };
var sendMessage = function(message) { socket.emit('message', message); logMessage(message); };
Demo!