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// $Id$
#ifndef TRACE_H
#define TRACE_H
#include "ace/Log_Msg.h"
// Listing 1 code/ch03
class Trace
{
public:
Trace (const ACE_TCHAR *prefix,
const ACE_TCHAR *name,
int line,
const ACE_TCHAR *file)
{
this->prefix_ = prefix;
this->name_ = name;
this->line_ = line;
this->file_ = file;
ACE_Log_Msg *lm = ACE_LOG_MSG;
if (lm->tracing_enabled ()
&& lm->trace_active () == 0)
{
lm->trace_active (1);
ACE_DEBUG
((LM_TRACE,
ACE_TEXT ("%s%*s(%t) calling %s in file `%s'")
ACE_TEXT (" on line %d\n"),
this->prefix_,
Trace::nesting_indent_ * lm->inc (),
ACE_TEXT (""),
this->name_,
this->file_,
this->line_));
lm->trace_active (0);
}
}
void setLine (int line)
{
this->line_ = line;
}
~Trace (void)
{
ACE_Log_Msg *lm = ACE_LOG_MSG;
if (lm->tracing_enabled ()
&& lm->trace_active () == 0)
{
lm->trace_active (1);
ACE_DEBUG
((LM_TRACE,
ACE_TEXT ("%s%*s(%t) leaving %s in file `%s'")
ACE_TEXT (" on line %d\n"),
this->prefix_,
Trace::nesting_indent_ * lm->dec (),
ACE_TEXT (""),
this->name_,
this->file_,
this->line_));
lm->trace_active (0);
}
}
private:
enum { nesting_indent_ = 3 };
const ACE_TCHAR *prefix_;
const ACE_TCHAR *name_;
const ACE_TCHAR *file_;
int line_;
};
// Listing 1
// Listing 2 code/ch03
#define TRACE_PREFIX ACE_TEXT ("TRACE ")
#if (ACE_NTRACE == 1)
# define TRACE(X)
# define TRACE_RETURN(V) return V;
# define TRACE_RETURN_VOID()
#else
# define TRACE(X) \
Trace ____ (TRACE_PREFIX, \
ACE_TEXT (X), \
__LINE__, \
ACE_TEXT (__FILE__))
# define TRACE_RETURN(V) \
do { ____.setLine(__LINE__); return V; } while (0)
# define TRACE_RETURN_VOID() \
do { ____.setLine(__LINE__); } while (0)
#endif
// Listing 2
//////////////////////////////////////////////////
#if defined (__GNUC__) && (__GNUC__ >= 3 || __GNUC_MINOR__ > 95)
// This stuff only works with g++ 2.96 and later...
// Listing 3 code/ch03
#define DEBUG_PREFIX ACE_TEXT ("DEBUG%I")
#define INFO_PREFIX ACE_TEXT ("INFO%I")
#define NOTICE_PREFIX ACE_TEXT ("NOTICE%I")
#define WARNING_PREFIX ACE_TEXT ("WARNING%I")
#define ERROR_PREFIX ACE_TEXT ("ERROR%I")
#define CRITICAL_PREFIX ACE_TEXT ("CRITICAL%I")
#define ALERT_PREFIX ACE_TEXT ("ALERT%I")
#define EMERGENCY_PREFIX ACE_TEXT ("EMERGENCY%I")
#define MY_DEBUG(FMT, ...) \
ACE_DEBUG(( LM_DEBUG, \
DEBUG_PREFIX FMT \
__VA_ARGS__))
#define MY_INFO(FMT, ...) \
ACE_DEBUG(( LM_INFO, \
INFO_PREFIX FMT \
__VA_ARGS__))
#define MY_NOTICE(FMT, ...) \
ACE_DEBUG(( LM_NOTICE, \
NOTICE_PREFIX FMT \
__VA_ARGS__))
#define MY_WARNING(FMT, ...) \
ACE_DEBUG(( LM_WARNING, \
WARNING_PREFIX FMT \
__VA_ARGS__))
#define MY_ERROR(FMT, ...) \
ACE_DEBUG(( LM_ERROR, \
ERROR_PREFIX FMT \
__VA_ARGS__))
#define MY_CRITICAL(FMT, ...) \
ACE_DEBUG(( LM_CRITICAL, \
CRITICAL_PREFIX FMT \
__VA_ARGS__))
#define MY_ALERT(FMT, ...) \
ACE_DEBUG(( LM_ALERT, \
ALERT_PREFIX FMT \
__VA_ARGS__))
#define MY_EMERGENCY(FMT, ...) \
ACE_DEBUG(( LM_EMERGENCY, \
EMERGENCY_PREFIX FMT \
__VA_ARGS__))
// Listing 3
#endif /* __GNUC__ */
#endif /* TRACE_H */
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