XtermConsole.h

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/***************************************************************************
 *
 * Copyright (C) 2009-2010 Cassio Neri Moreira
 *
 * This file is part of the KeyValue library.
 *
 * The KeyValue library 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.
 *
 * The KeyValue library 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 KeyValue. If not, see <http://www.gnu.org/licenses/>.
 *
 **************************************************************************/

#if !_WIN32 || DOXYGEN

#ifndef KEYVALUE_SYS_LOGGER_XTERMCONSOLE_H_
#define KEYVALUE_SYS_LOGGER_XTERMCONSOLE_H_

#include <cstdio>

#include "keyvalue/sys/logger/LoggerImpl.h"
#include "keyvalue/sys/logger/policy/AddPrefix.h"
#include "keyvalue/sys/logger/policy/XtermColor.h"

namespace keyvalue {
namespace logger {

class XtermConsole : public LoggerImpl<AddPrefix, XtermColor> {

public:

  XtermConsole(unsigned int level, const string& title);

  ~XtermConsole();

private:

  class FileRaii {

  public:

    explicit
    FileRaii(const int fd = -1);

    ~FileRaii();

    FileRaii& operator=(const int fd);

    void
    close();

    int
    getFd() const;

  private:

    int fd_;
  };

  unsigned int  level_;
  pid_t         childPid_;
  FileRaii      writeSlave_;

  bool
  send(const string& message);

}; // class XtermConsole

} // namespace logger
} // namespace keyvalue

#endif  // KEYVALUE_SYS_LOGGER_XTERMCONSOLE_H_

#endif // !_WIN32 || DOXYGEN