Usage of node-telnet with node's REPL, in full-featured "terminal" mode

server.js

/**
 * Usage of node-telnet with node's REPL, in full-featured "terminal" mode.
 * (Requires node >= v0.7.7)
 */

var telnet = require('telnet')
  , repl = require('repl')

telnet.createServer(function (client) {

  client.on('window size', function (e) {
    if (e.command === 'sb') {
      // a real "resize" event; 'readline' listens for this
      client.columns = e.width
      client.rows = e.height
      client.emit('resize')
    }
  })

  // 'readline' will call `setRawMode` when it is a function
  client.setRawMode = setRawMode

  // make unicode characters work properly
  client.do.transmit_binary()

  // emit 'window size' events
  client.do.window_size()

  // create the REPL
  var r = repl.start({
      input: client
    , output: client
    , prompt: 'telnet repl> '
    , terminal: true
    , useGlobal: false
  }).on('exit', function () {
    client.end()
  })

  r.context.r = r
  r.context.client = client
  r.context.socket = client

}).listen(1337)

function setRawMode (mode) {
  if (mode) {
    this.do.suppress_go_ahead()
    this.will.suppress_go_ahead()
    this.will.echo()
  } else {
    this.dont.suppress_go_ahead()
    this.wont.suppress_go_ahead()
    this.wont.echo()
  }
}