app/src/main/jni/android-logger-streambuf.hpp

/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/**
 * Copyright (c) 2014-2015,  Regents of the University of California,
 *                           Arizona Board of Regents,
 *                           Colorado State University,
 *                           University Pierre & Marie Curie, Sorbonne University,
 *                           Washington University in St. Louis,
 *                           Beijing Institute of Technology,
 *                           The University of Memphis.
 *
 * This file is part of NFD (Named Data Networking Forwarding Daemon).
 * See AUTHORS.md for complete list of NFD authors and contributors.
 *
 * NFD is free software: you can redistribute it and/or modify it under the terms
 * of the GNU General Public License as published by the Free Software Foundation,
 * either version 3 of the License, or (at your option) any later version.
 *
 * NFD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
 * PURPOSE.  See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * NFD, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef NFD_ANDROID_JNI_ANDROID_LOG_HPP
#define NFD_ANDROID_JNI_ANDROID_LOG_HPP

#include <streambuf>

namespace nfd_android {

/**
 * @brief Streambuf implementation to redirect to streams to Android logging facility
 *
 * Based on code from http://stackoverflow.com/a/8870278/2150331
 */
class AndroidLoggerStreambuf : public std::streambuf
{
public:
  AndroidLoggerStreambuf();

protected:
  virtual int
  overflow(int c);

  virtual int
  sync();

private:
  enum { MAX_BUF_SIZE = 1024 };
  char buffer[MAX_BUF_SIZE];
};

} // namespace nfd_android

#endif // NFD_ANDROID_JNI_ANDROID_LOG_HPP