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('../channel');
  var EndpointHandler = require('../endpoint-handler');
  var server = new TChannel({
      handler: EndpointHandler()
  });
  server.listen(4040, '127.0.0.1');
  
  var keys = {};
  
  server.handler.register('ping', function onPing(req, res) {
      res.sendOk('pong', null);
  });
  
  function safeParse(str) {
      try {
          return JSON.parse(str);
      } catch (e) {
          return null;
      }
  }
  
  server.handler.register('set', function onSet(req, res) {
      var parts = safeParse(req.arg2.toString('utf8'));
      keys[parts[0]] = parts[1];
      res.sendOk('ok', 'really ok');
  });
  
  server.handler.register('get', function onGet(req, res) {
      var str = req.arg2.toString('utf8');
      if (keys[str] !== undefined) {
          res.sendOk(JSON.stringify(keys[str].length), JSON.stringify(keys[str]));
      } else {
          res.sendNotOk(null, 'key not found: ' + str);
      }
  });
  
  // setInterval(function () {
  //  Object.keys(keys).forEach(function (key) {
  //      console.log(key + '=' + keys[key].length + ' bytes');
  //  });
  // }, 1000);
  
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('../channel');
  var EndpointHandler = require('../endpoint-handler');
  var server = new TChannel({
      handler: EndpointHandler()
  });
  server.listen(4040, '127.0.0.1');
  
  var keys = {};
  
  server.handler.register('ping', function onPing(req, res) {
      res.sendOk('pong', null);
  });
  
  function safeParse(str) {
      try {
          return JSON.parse(str);
      } catch (e) {
          return null;
      }
  }
  
  server.handler.register('set', function onSet(req, res, arg2, arg3) {
      var parts = safeParse(arg2.toString('utf8'));
      keys[parts[0]] = parts[1];
      res.sendOk('ok', 'really ok');
  });
  
  server.handler.register('get', function onGet(req, res, arg2, arg3){
      var str = arg2.toString('utf8');
      if (keys[str] !== undefined) {
          res.sendOk(JSON.stringify(keys[str].length), JSON.stringify(keys[str]));
      } else {
          res.sendNotOk(null, 'key not found: ' + str);
      }
  });
  
  // setInterval(function () {
  //  Object.keys(keys).forEach(function (key) {
  //      console.log(key + '=' + keys[key].length + ' bytes');
  //  });
  // }, 1000);
  
subject: correct handlers