text: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements. See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership. The ASF licenses this file
   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
   * with the License. You may obtain a copy of the License at
   *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied. See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  var sys = require('util'),
      net = require('net');
  
  var ttransport = require('./transport');
  var BinaryParser = require('./binary_parser').BinaryParser,
      TBinaryProtocol = require('./protocol').TBinaryProtocol;
  
  exports.createServer = function(cls, handler, options) {
    if (cls.Processor) {
      cls = cls.Processor;
    }
    var processor = new cls(handler);
    var transport = (options && options.transport) ? options.transport : ttransport.TFramedTransport;
    var protocol = (options && options.protocol) ? options.protocol : TBinaryProtocol;
  
    return net.createServer(function(stream) {
      stream.on('data', transport.receiver(function(transport_with_data) {
        var input = new protocol(transport_with_data);
        var output = new protocol(new transport(undefined, function(buf) {
          stream.write(buf);
        }));
  
        try {
          processor.process(input, output);
          transport_with_data.commitPosition();
        }
        catch (e) {
          if (e instanceof ttransport.InputBufferUnderrunError) {
            transport_with_data.rollbackPosition();
          }
          else {
            throw e;
          }
        }
      }));
  
      stream.on('end', function() {
        stream.end();
      });
    });
  };
  