mysql_debug.h
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/*
Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
The MySQL Connector/C++ is licensed under the terms of the GPLv2
<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 GPLv2 as it is applied to this software, see the
FLOSS License Exception
<http://www.mysql.com/about/legal/licensing/foss-exception.html>.
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.,
51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _MYSQL_DEBUG_H_
#define _MYSQL_DEBUG_H_
#include <boost/shared_ptr.hpp>
/* _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) const boost::shared_ptr< MySQL_DebugLogger > __l = this->logger;(void)__l;\
MySQL_DebugEnterEvent __this_func(__LINE__, __FILE__, msg, this->logger)
#define CPP_ENTER_WL(l, msg) const boost::shared_ptr< MySQL_DebugLogger > __l = (l);(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 <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;
const boost::shared_ptr< MySQL_DebugLogger > logger;
MySQL_DebugEnterEvent(unsigned int l, const char* const f, const char* const func_name, const boost::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
*/