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.
   */
  
  #include <thrift/windows/TWinsockSingleton.h>
  
  // boost
  #include <boost/assert.hpp>
  #include <stdexcept>
  
  namespace apache {
  namespace thrift {
  namespace transport {
  
  TWinsockSingleton::instance_ptr TWinsockSingleton::instance_ptr_(NULL);
  std::once_flag TWinsockSingleton::flags_;
  
  //------------------------------------------------------------------------------
  TWinsockSingleton::TWinsockSingleton(void) {
    WORD version(MAKEWORD(2, 2));
    WSAData data = {0};
  
    int error(WSAStartup(version, &data));
    if (error != 0) {
      BOOST_ASSERT(false);
      throw std::runtime_error("Failed to initialise Winsock.");
    }
  }
  
  //------------------------------------------------------------------------------
  TWinsockSingleton::~TWinsockSingleton(void) {
    WSACleanup();
  }
  
  //------------------------------------------------------------------------------
  void TWinsockSingleton::create(void) {
    std::call_once(flags_, init);
  }
  
  //------------------------------------------------------------------------------
  void TWinsockSingleton::init(void) {
    instance_ptr_.reset(new TWinsockSingleton);
  }
  }
  }
  } // apache::thrift::transport
  