init project

node_modules/docker-modem/lib/http_duplex.js

@@ -0,0 +1,55 @@
+module.exports = HttpDuplex;
+
+var util = require('util'),
+  stream = require('readable-stream');
+
+util.inherits(HttpDuplex, stream.Duplex);
+
+function HttpDuplex(req, res, options) {
+  var self = this;
+
+  if (!(self instanceof HttpDuplex)) return new HttpDuplex(req, res, options);
+
+  stream.Duplex.call(self, options);
+  self._output = null;
+
+  self.connect(req, res);
+}
+
+HttpDuplex.prototype.connect = function(req, res) {
+  var self = this;
+  self.req = req;
+  self._output = res;
+  self.emit('response', res);
+
+  res.on('data', function(c) {
+    if (!self.push(c)) self._output.pause();
+  });
+  res.on('end', function() {
+    self.push(null);
+  });
+};
+
+HttpDuplex.prototype._read = function(n) {
+  if (this._output) this._output.resume();
+};
+
+HttpDuplex.prototype._write = function(chunk, encoding, cb) {
+  this.req.write(chunk, encoding);
+  cb();
+};
+
+HttpDuplex.prototype.end = function(chunk, encoding, cb) {
+  this._output.socket.destroySoon();
+  return this.req.end(chunk, encoding, cb);
+};
+
+HttpDuplex.prototype.destroy = function() {
+  this.req.destroy();
+  this._output.socket.destroy();
+};
+
+HttpDuplex.prototype.destroySoon = function() {
+  this.req.destroy();
+  this._output.socket.destroy();
+};