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XrdSysTrace.hh
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XrdSysTrace.hh
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#ifndef __XRDSYSTRACE_HH__
#define __XRDSYSTRACE_HH__
/******************************************************************************/
/* */
/* X r d S y s T r a c e . h h */
/* */
/* (c) 2016 by the Board of Trustees of the Leland Stanford, Jr., University */
/* All Rights Reserved */
/* Produced by Andrew Hanushevsky for Stanford University under contract */
/* DE-AC02-76-SFO0515 with the Department of Energy */
/* */
/* This file is part of the XRootD software suite. */
/* */
/* XRootD is free software: you can redistribute it and/or modify it under */
/* the terms of the GNU Lesser General Public License as published by the */
/* Free Software Foundation, either version 3 of the License, or (at your */
/* option) any later version. */
/* */
/* XRootD 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 Lesser General Public */
/* License for more details. */
/* */
/* You should have received a copy of the GNU Lesser General Public License */
/* along with XRootD in a file called COPYING.LESSER (LGPL license) and file */
/* COPYING (GPL license). If not, see <http://www.gnu.org/licenses/>. */
/* */
/* The copyright holder's institutional names and contributor's names may not */
/* be used to endorse or promote products derived from this software without */
/* specific prior written permission of the institution or contributor. */
/******************************************************************************/
#include <iostream>
#include <sys/uio.h>
class XrdSysLogger;
#include "XrdSys/XrdSysPthread.hh"
namespace Xrd
{
enum Fmt {dec=0, hex};
}
class XrdSysTrace
{
public:
XrdSysTrace& Beg(const char *usr=0, const char *epn=0, const char *txt=0);
void End();
void SetLogger(XrdSysLogger *logp) {logP = logp;}
inline bool Tracing(int mask) {return (mask & What) != 0;}
int What;
XrdSysTrace& operator<<(bool val);
XrdSysTrace& operator<<( char val);
XrdSysTrace& operator<<(const char *val);
XrdSysTrace& operator<<(const std::string& val);
XrdSysTrace& operator<<(short val);
XrdSysTrace& operator<<(int val);
XrdSysTrace& operator<<(long val);
XrdSysTrace& operator<<(long long val);
XrdSysTrace& operator<<(unsigned short val);
XrdSysTrace& operator<<(unsigned int val);
XrdSysTrace& operator<<(unsigned long val);
XrdSysTrace& operator<<(unsigned long long val);
XrdSysTrace& operator<<(float val)
{return Insert(static_cast<long double>(val));}
XrdSysTrace& operator<<(double val)
{return Insert(static_cast<long double>(val));}
XrdSysTrace& operator<<(long double val)
{return Insert(val);}
XrdSysTrace& operator<<(void* val);
XrdSysTrace& operator<<(Xrd::Fmt val)
{ if (val == Xrd::hex) doHex = true;
else if (val == Xrd::dec) doHex = false;
return *this;
}
XrdSysTrace(const char *pfx, XrdSysLogger *logp=0, int tf=0)
: What(tf), logP(logp), iName(pfx), dPnt(0),
dFree(txtMax), vPnt(1), doHex(false) {}
~XrdSysTrace() {}
private:
XrdSysTrace& Insert(long double val);
static const int iovMax = 16;
static const int pfxMax = 256;
static const int txtMax = 256;
XrdSysMutex myMutex;
XrdSysLogger *logP;
const char *iName;
short dPnt;
short dFree;
short vPnt;
bool doHex;
struct iovec ioVec[iovMax];
char pBuff[pfxMax];
char dBuff[txtMax];
};
#endif