sp-streams/dist/tcp-egress-stream.js

Streamplace Streams for Piping Video Around and Stuff

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});

exports.default = function () {
  var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
      port = _ref.port;

  var clients = [];

  var server = _net2.default.createServer(function (c) {
    clients.push(c);
    // 'connection' listener
    log("client connected");
    c.on("error", function () {
      log("client errored");
      clients = clients.filter(function (client) {
        return client !== c;
      });
    });
    c.on("end", function () {
      log("client disconnected");
      clients = clients.filter(function (client) {
        return client !== c;
      });
    });
  });

  server.on("error", function (err) {
    throw err;
  });

  var portProm = new Promise(function (resolve, reject) {
    var listen = void 0;
    if (port) {
      listen = server.listen.bind(server, port);
    } else {
      listen = server.listen.bind(server);
    }
    listen(function () {
      var port = server.address().port;
      log("tcp server listening on port " + port);
      resolve(port);
    });
  });

  var passThrough = new _stream2.default.PassThrough();
  passThrough.server = server;
  passThrough.getPort = function () {
    return portProm;
  };
  passThrough.on("data", function (chunk) {
    clients.forEach(function (c) {
      return c.write(chunk);
    });
  });
  passThrough.on("end", function () {
    server.close();
  });
  return passThrough;
};

var _net = require("net");

var _net2 = _interopRequireDefault(_net);

var _stream = require("stream");

var _stream2 = _interopRequireDefault(_stream);

var _path = require("path");

var _debug = require("debug");

var _debug2 = _interopRequireDefault(_debug);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

// this stream should "auto-resume". don't send it data if you want backpressure

var log = (0, _debug2.default)("sp:tcp-egress-stream");