old_contents: // Copyright (c) 2015 Uber Technologies, Inc.
  
  // Permission is hereby granted, free of charge, to any person obtaining a copy
  // of this software and associated documentation files (the "Software"), to deal
  // in the Software without restriction, including without limitation the rights
  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  // copies of the Software, and to permit persons to whom the Software is
  // furnished to do so, subject to the following conditions:
  //
  // The above copyright notice and this permission notice shall be included in
  // all copies or substantial portions of the Software.
  //
  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  // THE SOFTWARE.
  
  var TChannel = require('../index.js');
  var EndpointHandler = require('../endpoint-handler.js');
  var CountedReadySignal = require('ready-signal/counted');
  
  var server = new TChannel({
      handler: EndpointHandler()
  });
  var client = new TChannel();
  
  // normal response
  server.handler.register('func 1', function (req, res) {
      console.log('func 1 responding with a small delay:' + req.arg2.toString() + ' 2:' + req.arg3.toString());
      setTimeout(function() {
          res.sendOk('result', 'indeed it did');
      }, Math.random() * 1000);
  });
  // err response
  server.handler.register('func 2', function (req, res) {
      res.sendNotOk(null, 'it failed');
  });
  
  var ready = CountedReadySignal(2);
  var listening = ready(function (err) {
      if (err) {
          throw err;
      }
  
      client
          .request({host: '127.0.0.1:4040'})
          .send('func 1', "arg 1", "arg 2", function (err, res) {
              console.log('normal res: ' + res.arg2.toString() + ' ' + res.arg3.toString());
          });
      client
          .request({host: '127.0.0.1:4040'})
          .send('func 2', "arg 1", "arg 2", function (err, res) {
              console.log('err res: ' + res.ok +
                  ' message: ' + String(res.arg3));
          });
  
  });
  
  server.listen(4040, '127.0.0.1', ready.signal);
  client.listen(4041, '127.0.0.1', ready.signal);
  
new_contents: // Copyright (c) 2015 Uber Technologies, Inc.
  
  // Permission is hereby granted, free of charge, to any person obtaining a copy
  // of this software and associated documentation files (the "Software"), to deal
  // in the Software without restriction, including without limitation the rights
  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  // copies of the Software, and to permit persons to whom the Software is
  // furnished to do so, subject to the following conditions:
  //
  // The above copyright notice and this permission notice shall be included in
  // all copies or substantial portions of the Software.
  //
  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  // THE SOFTWARE.
  
  var TChannel = require('../index.js');
  var EndpointHandler = require('../endpoint-handler.js');
  var CountedReadySignal = require('ready-signal/counted');
  
  var server = new TChannel({
      handler: EndpointHandler()
  });
  var client = new TChannel();
  
  // normal response
  server.handler.register('func1', function (req, res) {
      console.log('func1 responding with a small delay:' + req.arg2.toString() + ' 2:' + req.arg3.toString());
      setTimeout(function() {
          res.sendOk('result', 'indeed it did');
      }, Math.random() * 1000);
  });
  // err response
  server.handler.register('func2', function (req, res) {
      res.sendNotOk(null, 'it failed');
  });
  
  var ready = CountedReadySignal(2);
  var listening = ready(function (err) {
      if (err) {
          throw err;
      }
  
      client
          .request({host: '127.0.0.1:4040'})
          .send('func1', "arg 1", "arg 2", function (err, res) {
              console.log('normal res: ' + res.arg2.toString() + ' ' + res.arg3.toString());
          });
      client
          .request({host: '127.0.0.1:4040'})
          .send('func2', "arg 1", "arg 2", function (err, res) {
              console.log('err res: ' + res.ok +
                  ' message: ' + String(res.arg3));
          });
  
  });
  
  server.listen(4040, '127.0.0.1', ready.signal);
  client.listen(4041, '127.0.0.1', ready.signal);
  
subject: remove spaces from example node endpoints