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usr/local/src/mysql-5.5.28/storage/ndb/include/logger/_[ Not.Writable ]

File://usr/local/src/mysql-5.5.28/storage/ndb/include/logger/SysLogHandler.hpp

/* Copyright (C) 2003 MySQL AB

   This program 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; version 2 of the License.

   This program 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 this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */

#ifndef SYSLOGHANDLER_H
#define SYSLOGHANDLER_H

#include "LogHandler.hpp"
#ifndef NDB_WIN32
#include <syslog.h>
#endif

/**
 * Logs messages to syslog. The default identity is 'NDB'. 
 * See 'man 3 syslog'. 
 *
 * It logs the following severity levels.
 * <pre>
 *
 *  LOG_ALERT           A condition  that  should  be  corrected
 *                      immediately,  such as a corrupted system
 *                      database.
 *
 *  LOG_CRIT            Critical conditions, such as hard device
 *                      errors.
 *
 *  LOG_ERR             Errors.
 *
 *  LOG_WARNING         Warning messages.
 *
 *  LOG_INFO            Informational messages.
 *
 *  LOG_DEBUG           Messages that contain  information  nor-
 *                      mally  of use only when debugging a pro-
 *                      gram.
 * </pre>
 *
 * @see LogHandler
 * @version #@ $Id: SysLogHandler.hpp,v 1.2 2003/09/01 10:15:53 innpeno Exp $
 */
class SysLogHandler : public LogHandler
{
public:
  /**
   * Default constructor.
   */
  SysLogHandler();
  
  /**
   * Create a new syslog handler with the specified identity.
   *
   * @param pIdentity a syslog identity.
   * @param facility syslog facility, defaults to LOG_USER
   */
  SysLogHandler(const char* pIdentity, int facility);

  /**
   * Destructor.
   */
  virtual ~SysLogHandler();
  
  virtual bool open();
  virtual bool close();

  virtual bool setParam(const BaseString &param, const BaseString &value);
  bool setFacility(const BaseString &facility);

protected:	
  virtual void writeHeader(const char* pCategory, Logger::LoggerLevel level);
  virtual void writeMessage(const char* pMsg);
  virtual void writeFooter();

private:
  /** Prohibit*/
  SysLogHandler(const SysLogHandler&);
  SysLogHandler operator = (const SysLogHandler&);
  bool operator == (const SysLogHandler&);

  int m_severity;
  const char* m_pCategory;

  /** Syslog identity for all log entries. */
  const char* m_pIdentity;
  int m_facility;
};

#endif

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