const PORT=80;
const cluster=require('cluster');
var net =require('net');
var fs=require('fs');
if (cluster.isMaster) {
  console.log('I am master');
  cluster.fork();
 var handle  = function ( stream){
 //console.log(cluster.workers[1].process.stdin);
 
 stream.pipe(cluster.workers[1].process.stdin);
}
var server = net.createServer(handle).listen(80,'127.0.0.1');
} else if (cluster.isWorker) {
process.stdin.setEncoding('utf8');
process.stdin.on('readable', () => {
  var chunk = process.stdin.read();
  if (chunk !== null) {
    process.stdout.write(`data: ${chunk}`);
  }
});
process.stdin.on('end', () => {
  process.stdout.write('end');
});
}

本来是想让主进程把请求转发给worker进程， 但是客户端一访问 http://localhost 就报错

_stream_readable.js:501dest.on(‘unpipe’, onunpipe);