/*

 * 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.

 */

#ifndef _THRIFT_OUTPUT_H_

#define _THRIFT_OUTPUT_H_ 1

namespace apache {

namespace thrift {

class TOutput {

public:

  TOutput();

  inline void setOutputFunction(void (*function)(const char*)) { f_ = function; }

  inline void operator()(const char* message) { f_(message); }

  // It is important to have a const char* overload here instead of

  // just the string version, otherwise errno could be corrupted

  // if there is some problem allocating memory when constructing

  // the string.

  void perror(const char* message, int errno_copy);

  inline void perror(const std::string& message, int errno_copy) {

    perror(message.c_str(), errno_copy);

  }

  void printf(const char* message, ...);

  static void errorTimeWrapper(const char* msg);

  /** Just like strerror_r but returns a C++ string object. */

  static std::string strerror_s(int errno_copy);

  /** Get a singleton instance of the global TOutput object used by

   * the library internally.  */

  static TOutput& instance();

private:

  void (*f_)(const char*);

};

}

} // namespace apache::thrift

#endif //_THRIFT_OUTPUT_H_