你想通過網(wǎng)絡(luò)提供持續(xù)的服務(wù),與客戶保持持續(xù)的聯(lián)系。
創(chuàng)建一個(gè)雙向 TCP 服務(wù)器。
net = require 'net'
domain = 'localhost'
port = 9001
server = net.createServer (socket) ->
console.log "New connection from #{socket.remoteAddress}"
socket.on 'data', (data) ->
console.log "#{socket.remoteAddress} sent: #{data}"
others = server.connections - 1
socket.write "You have #{others} #{others == 1 and "peer" or "peers"} on this server"
console.log "Listening to #{domain}:#{port}"
server.listen port, domain
$ coffee bi-directional-server.coffee
Listening to localhost:9001
New connection from 127.0.0.1
127.0.0.1 sent: Ping
127.0.0.1 sent: Ping
127.0.0.1 sent: Ping
[...]
大部分工作在 @socket.on 'data'@ 中 ,處理所有的輸入端。真正的服務(wù)器可能會(huì)將數(shù)據(jù)傳給另一個(gè)函數(shù)處理并生成任何響應(yīng)以便源程序處理。