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QhullLog.h
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Sun, Jul 28, 10:02

QhullLog.h
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/****************************************************************************
**
** Copyright (c) 2008-2011 C.B. Barber. All rights reserved.
** $Id: //main/2011/qhull/src/libqhullcpp/QhullLog.h#2 $$Change: 1342 $
** $DateTime: 2011/03/07 21:55:47 $$Author: bbarber $
**
****************************************************************************/
#ifndef QHULLLOG_H
#define QHULLLOG_H
#include "QhullEvent.h"
extern "C" {
#include "../src/qhull_a.h"
};
#include <string>
#include <vector>
namespace orgQhull {
#//Types
//! QhullLog -- Report errors in Qhull
class QhullLog;
class QhullLog {
private:
#//Fields
public:
#//Constants
#//Class global
static std::vector<std::string>
a_log;
static std::vector<QhullEvent>
a_events;
static int a_head; //! Head of event queue. Multiple threads may simultaneously increment a_head
static int a_tail; //! Tail of event queue.
static int a_head_gap; //! Gap between tail and head.
static int a_tail_end; //! End of event queue. Additional elements allocated to avoid buffer overflow
static int a_max_overrun; //! Maximum overrun due to multiple threads (a_head-a_end)
static int a_call_depth; //! Current call depth
static int a_min_call_depth; //! Minimum call depth since last cull
static time_t a_start_time_s; //! UTC seconds at start of logging
static int a_logging_enabled; //! True only if '1'
#//Constructors
QhullLog(int level, const char *message);
QhullLog(int level, const char *message, int arg1);
QhullLog(int level, const char *message, int arg1, int arg2);
QhullLog(int level, const char *message, int arg1, const char *arg3);
QhullLog(int level, const char *message, int arg1, int arg2, const char *arg3);
~QhullLog();
private:
QhullLog() {}; // disabled
#//Update
void log(int level, const char *message);
void log(int level, const char *message, int arg1);
void log(int level, const char *message, int arg1, const char *arg3);
void log(int level, const char *message, int arg1, int arg2);
void log(int level, const char *message, int arg1, int arg2, const char *arg3);
#//Helper
private:
void cullEvents();
void log(QhullEvent::EventTypes t, int level, const char *message, int arg1, int arg2, const char *arg3);
void maybeCullEvents();
};//QhullLog
#if 0
.what is the last error message
.where is the stack + execution log
messageLength()
on ERROR dump log to FILE
log all the time
shadow log?
elide history RELATIVE level, n-back
messageCount, maxCount
#endif
}//namespace orgQhull
#//Global functions
std::ostream &operator<<(std::ostream &os, const orgQhull::QhullLog *f);
#endif // QHULLLOG_H

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