socket.io的抽象实现：engine.io

engine.io是一个socket.io的抽象实现，作为socket.io的服务器和浏览器之间交换的数据的传输层。它不会取代Socket.IO，它只是抽象出固有的复杂性，支持多种浏览器，设备和网络的实时数据交换。Server (A) Listening on a port

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打印 ?

`1`	`var` `engine = require('engine.io')`

`2`	`, server = engine.listen(80)`

3

`4`	`server.on('connection',` `function` `(socket) {`

`5`	`socket.send('utf 8 string');`

6 });

(B) Intercepting requests for a http.Server

`1`	`var` `engine = require('engine.io')`

`2`	`, http = require('http').createServer().listen(3000)`

`3`	`, server = engine.attach(http)`

4

`5`	`server.on('connection',` `function` `(socket) {`

`6`	`socket.on('message',` `function` `() { });`

`7`	`socket.on('close',` `function` `() { });`

8 });

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打印 ?

`01`	`var` `engine = require('engine.io')`

`02`	`, server =` `new` `engine.Server()`

03

`04`	`server.on('connection',` `function` `(socket) {`

`05`	`socket.send('hi');`

06 });

07

08 // …

`09`	`httpServer.on('upgrade',` `function` `(req, socket, head) {`

`10`	`server.handleUpgrade(req, socket, head);`

11 });

`12`	`httpServer.on('request',` `function` `(req, res) {`

`13`	`server.handleRequest(req, res);`

14 });

Client

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打印 ?

`1`	`<script src="/path/to/engine.io.js"></script>`

`2`	`<script>`

`3`	`var` `socket =` `new` `eio.Socket('ws://localhost/');`

`4`	`socket.on('open',` `function` `() {`

`5`	`socket.on('message',` `function` `(data) { });`

`6`	`socket.on('close',` `function` `() { });`

7 });

`8`	`</script>`

项目主页：http://www.open-open.com/lib/view/home/1384093598133

巴特西

socket.io的抽象实现：engine.io

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