ceph/src/jaegertracing/thrift/lib/cpp/src/thrift/windows/TWinsockSingleton.cpp

   1 /*
   2  * Licensed to the Apache Software Foundation (ASF) under one
   3  * or more contributor license agreements. See the NOTICE file
   4  * distributed with this work for additional information
   5  * regarding copyright ownership. The ASF licenses this file
   6  * to you under the Apache License, Version 2.0 (the
   7  * "License"); you may not use this file except in compliance
   8  * with the License. You may obtain a copy of the License at
   9  *
  10  *   http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing,
  13  * software distributed under the License is distributed on an
  14  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  15  * KIND, either express or implied. See the License for the
  16  * specific language governing permissions and limitations
  17  * under the License.
  18  */
  19
  20 #include <thrift/windows/TWinsockSingleton.h>
  21
  22 // boost
  23 #include <stdexcept>
  24
  25 namespace apache {
  26 namespace thrift {
  27 namespace transport {
  28
  29 TWinsockSingleton::instance_ptr TWinsockSingleton::instance_ptr_(NULL);
  30 std::once_flag TWinsockSingleton::flags_;
  31
  32 //------------------------------------------------------------------------------
  33 TWinsockSingleton::TWinsockSingleton(void) {
  34   WORD version(MAKEWORD(2, 2));
  35   WSAData data = {0};
  36
  37   int error(WSAStartup(version, &data));
  38   if (error != 0) {
  39     throw std::runtime_error("Failed to initialise Winsock.");
  40   }
  41 }
  42
  43 //------------------------------------------------------------------------------
  44 TWinsockSingleton::~TWinsockSingleton(void) {
  45   WSACleanup();
  46 }
  47
  48 //------------------------------------------------------------------------------
  49 void TWinsockSingleton::create(void) {
  50   std::call_once(flags_, init);
  51 }
  52
  53 //------------------------------------------------------------------------------
  54 void TWinsockSingleton::init(void) {
  55   instance_ptr_.reset(new TWinsockSingleton);
  56 }
  57 }
  58 }
  59 } // apache::thrift::transport