EdbLog.cxx File Reference

#include "snprintf.h"
#include "Varargs.h"
#include "TVirtualMutex.h"
#include "TSystem.h"
#include "TDatime.h"
#include "EdbLog.h"

Include dependency graph for EdbLog.cxx:

Macros
#define	R__VA_COPY(to, from)   ((to) = (from))

Functions
bool	Log (int level, const char *location, const char *fmt,...)
void	Log0 (int level, const char *location, const char *fmt, va_list ap)

Variables
TNtuple *	gDIFF =0
Int_t	gEDBDEBUGLEVEL = 2
FILE *	gEDBLOGFILE =0

Macro Definition Documentation

R__VA_COPY

#define R__VA_COPY	(		to,
			from
	)		((to) = (from))

Function Documentation

Log()

bool Log	(	int	level,
		const char *	location,
		const char *	fmt,
			...
	)

Print message to the logfile and to stdout.

{
  if(level>gEDBDEBUGLEVEL) return 0;
  va_list ap;
  va_start(ap,va_(fmt));
  Log0(level, location, va_(fmt), ap);
  va_end(ap);
  return 1;
}

Log0()

void Log0	(	int	level,
		const char *	location,
		const char *	fmt,
		va_list	ap
	)

Print message to the logfile and to stdout.

{
 
  R__LOCKGUARD2(gErrorMutex);
 
  static Int_t buf_size = 2048;
  static char *buf = 0;
 
  va_list sap;
  R__VA_COPY(sap, ap);
 
 again:
  if (!buf)
    buf = new char[buf_size];
 
  if (!fmt)
    fmt = "no error message provided";
  
  Int_t n = vsnprintf(buf, buf_size, fmt, ap);
  // old vsnprintf's return -1 if string is truncated new ones return
  // total number of characters that would have been written
  if (n == -1 || n >= buf_size) {
    if (n == -1)
      buf_size *= 2;
    else
      buf_size = n+1;
    delete [] buf;
    buf = 0;
    va_end(ap);
    R__VA_COPY(ap, sap);
    goto again;
  }
  va_end(sap);
  
  if(level<=gEDBDEBUGLEVEL)   {
      fprintf(stdout, "%-16s: ", location);
      fprintf(stdout, "%s\n", buf);
  }
  if(level>2)       return;     // do not print to file not important mesages
  TDatime t;
  if(gEDBLOGFILE) {
    fprintf(gEDBLOGFILE, "%s> ", t.AsSQLString());
    fprintf(gEDBLOGFILE, "%-16s: ", location);
    fprintf(gEDBLOGFILE, "%s\n", buf);
  }
}

Variable Documentation

gDIFF

TNtuple* gDIFF =0

gEDBDEBUGLEVEL

Int_t gEDBDEBUGLEVEL = 2

gEDBLOGFILE

FILE* gEDBLOGFILE =0