This document summarizes the new features and changes in version 0.7 of the Socket.IO library. Key updates include a complete API rewrite, support for multiple processes, a new messaging protocol with flags for different message types, acknowledgments between client and server, namespacing to allow multiplexing, handshake support for sessions, shared code modules between client and server, and testing on both the client and server. The release of version 0.7 is planned for this week.

1. GETTING DIRTY WITH 0.7
SOCKET.IO

2. HELLO
> WHOAMI

3. {
"name": "socket.io"
, "version": "0.7.0"
, "description": "Real time apps made cross-browser & easy with a
WebSocket-like API"
, "keywords": ["websocket", "realtime", "socket.io", "comet", "ajax"]
, "author": "Guillermo Rauch <guillermo@learnboost.com>"
, "contributors": [
{ "name": "Guillermo Rauch", "email": "rauchg@gmail.com" }
, { "name": "Arnout Kazemier", "email": "info@3rd-eden.com" }
]
, "repository":{
"type": "git"
, "url": "https://github.com/LearnBoost/Socket.IO-node.git"
}
, "dependencies": {}
, "main": "index"
, "engines": { "node": ">= 0.4.0" }
}

4. STALK ME ON TWITTER
@3rdEden
FORK ME ON GITHUB
@3rd-Eden

5. WHAT IS SOCKET.IO

6. open source

7. REAL TIME

8. DIRTY

9. FAST

10. F*CKING AWESOME

11. CROSS BROWSER

12. CROSS BROWSER
INCLUDING MOBILE & INTERNET EXPLORER 5

13. CROSS BROWSER
ORLY? YA RLY

14. web socket

15. web socket
flash socket

16. web socket
flash socket
html file (forever iframe)

17. web socket
flash socket
html file (forever iframe)
xhr multipart

18. web socket
flash socket
html file (forever iframe)
xhr multipart
xhr polling

19. web socket
flash socket
html file (forever iframe)
xhr multipart
xhr polling
jsonp polling

20. community
WATCHERS 2750+
FORKS 250+
PULL REQUESTS 110+
GROUPS MEMBERS 1000~

21. NODE CAMP USERS
Y U NO FORK

22. WHATʼS NEW IN 0.7
THE LESSONS WE LEARNED FROM 0.6

23. COMPLETE API
REWRITE

24. var io = require(ʻsocket.ioʼ)
, http = require(ʻhttpʼ);
var s = http.createServer(function(q,r)
{r.writeHead(200);r.end(ʻsupʼ)});
s.listen(80)
io.listen(s); // uses existing server

25. var io = require(ʻsocket.ioʼ)
, http = require(ʻhttpʼ);
var s = http.createServer(function(q,r)
{r.writeHead(200);r.end(ʻsupʼ)});
s.listen(80)
io.listen(s); // uses existing server
var io = require(ʻsocket.ioʼ);
io.listen(80); // creates one for us

26. var io = require(ʻsocket.ioʼ).listen();
// express styled configuration
io.configure(ʻdevelopmentʼ, function(){
io.set(ʻlog levelʼ, 3);
});

27. MULTIPLE
PROCESSES

28. NEW PROTOCOL

29. MESSAGE FLAGS
FIRE AND FORGET, JSON
NEW PROTOCOL

30. io.sockets.on(ʻconnectionʼ, function (socket) {
socket.volatile.send(ʻpew pewʼ);
socket.json.send([{nodecamp:ʻftwʼ}]);
};
NEW PROTOCOL

31. ACKNOWLEDGEMENTS
BETWEEN CLIENT & SERVER, SERVER & CLIENT
NEW PROTOCOL

32. // server side
io.sockets.on(ʻconnectionʼ, function (socket) {
socket.send(ʻbyeʼ, function () {
// ack
});
});
// client side
var socket = io.connect();
socket.send(ʻhiʼ, function () {
// ack
});
NEW PROTOCOL

33. NAMESPACING
MULTIPLEXING
NEW PROTOCOL

34. // server side
io.sockets.on(ʻconnectionʼ, function (socket) {
socket.send(ʻbyeʼ, function () {
// ack
});
});
// client side
var socket = io.connect();
socket.send(ʻhiʼ, function () {
// ack
});
NEW PROTOCOL

35. HANDSHAKING
FUCK YEAH, SESSIONS SUPPORT
NEW PROTOCOL

36. EVENTS
NEW PROTOCOL

37. CODE SHARING
MODULES ARE REUSED ON THE CLIENT & SERVER

38. TESTING
BOTH FOR THE CLIENT AND THE SERVER

39. “ONE MORE THING™”
© STEVE JOBS

40. RELEASE
THIS WEEK

41. Q A
TALK NERDY TO ME

42. presentation.end(‘thanks’);