gistfile1.txt

var net = require('net'),

var clients = []

var server = net.createServer()
server.listen(8000)

server.on('connection', function(connection) {
  connection.type = 'tcp'
  console.log('I got a connection')
  connection.write('Welcome to the chat server\n')

  clients.push(connection)

  connection.setEncoding('utf8')

  connection.on('data', function(data) {
    broadcast(data, connection)
  })

  connection.on('end', function() {
    clients.splice(clients.indexOf(connection), 1)
  })

})


function broadcast(message, connection) {
  for(i=0;i<clients.length;i+=1) {
    if(clients[i] !== connection) {
      if(clients[i].writable) {
        clients[i].write(message)
      }
    }
  }
}