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Socket.io dan NodeTech Talk JDV. 2014
Apa itu Node, enak ga?
Node : Non Blocking I/O
sumber img : https://strongloop.com
Node : Tidak hanya platform, namun juga module
sumber img : https://strongloop.com
Tentang Node
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Web Socket
1. Cross Origin Communication2. Proxy, Firewall problem3. Open Connection, High Concurrency + Low
Cost
Web Socket
sumber img : http://www.websocket.org/
Request
Response
Socket.io : Fitur
1. Mekanisme ‘Fallback’2. Room3. Namespace4. Authentifikasi
Socket.io : KonfigurasiMekanisme Fallback :
io.set('transports', [ 'websocket' , 'flashsocket' , 'htmlfile' , 'xhr-polling' , 'jsonp-polling' ]);
Socket.io : Authentifikasi
1. Global dan Namespace2. HanshakeData{ headers: req.headers // <Object> the headers of the request , time: (new Date) +'' // <String> date time of the connection , address: socket.address() // <Object> remoteAddress and remotePort object , xdomain: !!headers.origin // <Boolean> was it a cross domain request? , secure: socket.secure // <Boolean> https connection , issued: +date // <Number> EPOCH of when the handshake was created , url: request.url // <String> the entrance path of the request , query: data.query // <Object> the result of url.parse().query or a empty object}
Demo Socket.io
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