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Sourcecode: mysql-connector-c++ version File versions

mysql_debug.h

/*
   Copyright 2007 - 2008 MySQL AB, 2008 - 2009 Sun Microsystems, Inc.  All rights reserved.

   The MySQL Connector/C++ is licensed under the terms of the GPL
   <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most
   MySQL Connectors. There are special exceptions to the terms and
   conditions of the GPL as it is applied to this software, see the
   FLOSS License Exception
   <http://www.mysql.com/about/legal/licensing/foss-exception.html>.
*/

#ifndef _MYSQL_DEBUG_H_
#define _MYSQL_DEBUG_H_

/* _MSC_VER VC6.0=1200, VC7.0=1300, VC7.1=1310, VC8.0=1400 */
#if defined(_MSC_VER)
      #if _MSC_VER >=1400
            #define WE_HAVE_VARARGS_MACRO_SUPPORT
      #endif
#else
      #define WE_HAVE_VARARGS_MACRO_SUPPORT
#endif



#if defined(WE_HAVE_VARARGS_MACRO_SUPPORT) && (CPPCONN_TRACE_ENABLED || defined(SAL_DLLPRIVATE))
      #define CPP_ENTER(msg)              MySQL_DebugLogger * __l = this->logger? this->logger->get():NULL;(void)__l;\
                                                      MySQL_DebugEnterEvent __this_func(__LINE__, __FILE__, msg, logger)
      #define CPP_ENTER_WL(l, msg)  MySQL_DebugLogger * __l = (l)? (l)->get():NULL;(void)__l;\
                                                      MySQL_DebugEnterEvent __this_func(__LINE__, __FILE__, msg, (l))
      #define CPP_INFO(msg)         {if (__l) __l->log("INF", msg); }
      #define CPP_INFO_FMT(...)     {if (__l) __l->log_va("INF", __VA_ARGS__); }
      #define CPP_ERR(msg)          {if (__l) __l->log("ERR", msg); }
      #define CPP_ERR_FMT(...)      {if (__l) __l->log_va("ERR", __VA_ARGS__); }
#else
      #define CPP_ENTER(msg)
      #define CPP_ENTER_WL(l, msg)
      #define CPP_INFO(msg)
      #define CPP_ERR(msg)
      #define CPP_ENTER_WL(l, msg)
      static inline void CPP_INFO_FMT(...) {}
      static inline void CPP_ERR_FMT(...) {}
#endif

#include <string>
#include <stack>
#include "mysql_util.h"

namespace sql {
namespace mysql {

class MySQL_DebugEnterEvent;


class MySQL_DebugLogger
{
      std::stack< const MySQL_DebugEnterEvent * > callStack;
      int tracing;
      enum
      {
            NO_TRACE,
            NORMAL_TRACE
      };
public:
      MySQL_DebugLogger();
      virtual ~MySQL_DebugLogger();

      void disableTracing();

      void enableTracing();

      void enter(const MySQL_DebugEnterEvent * obj);

      bool isTracing();

      void leave(const MySQL_DebugEnterEvent * obj);

      void log(const char * const type, const char * const message);

      void log_va(const char * const type, const char * const format, ...);

private:
      /* Prevent use of these */
      MySQL_DebugLogger(const MySQL_DebugLogger &);
      void operator=(MySQL_DebugLogger &);
};


class MySQL_DebugEnterEvent
{
public:
      unsigned int line;
      const char * const file;
      const char * const func;
      sql::mysql::util::my_shared_ptr< MySQL_DebugLogger > * logger;

      MySQL_DebugEnterEvent(unsigned int l, const char * const f, const char * const func_name, sql::mysql::util::my_shared_ptr< MySQL_DebugLogger > * logger_object);
      ~MySQL_DebugEnterEvent();
};

} /* namespace mysql */
} /* namespace sql */

#endif /* _MYSQL_DEBUG_H_ */

/*
 * Local variables:
 * tab-width: 4
 * c-basic-offset: 4
 * End:
 * vim600: noet sw=4 ts=4 fdm=marker
 * vim<600: noet sw=4 ts=4
 */

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