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//
// WordMonitor.h
//
// NAME
// monitoring classes activity.
//
// SYNOPSIS
//
// Only called thru WordContext::Initialize()
//
// DESCRIPTION
//
// The test directory contains a <i>benchmark-report</i> script used to generate
// and archive graphs from the output of <i>WordMonitor</i>.
//
// CONFIGURATION
//
// wordlist_monitor_period <sec> (default 0)
// If the value <b>sec</b> is a positive integer, set a timer to
// print reports every <b>sec</b> seconds. The timer is set using
// the ALRM signal and will fail if the calling application already
// has a handler on that signal.
//
// wordlist_monitor_output <file>[,{rrd,readable] (default stderr)
// Print reports on <b>file</b> instead of the default <b>stderr</b>.
// If <b>type</b> is set to <b>rrd</b> the output is fit for the
// <i>benchmark-report</b> script. Otherwise it a (hardly :-) readable
// string.
//
//
// END
//
// Part of the ht://Dig package <http://www.htdig.org/>
// Copyright (c) 1999-2004 The ht://Dig Group
// For copyright details, see the file COPYING in your distribution
// or the GNU Library General Public License (LGPL) version 2 or later
// <http://www.gnu.org/copyleft/lgpl.html>
//
// $Id: WordMonitor.h,v 1.5 2004/05/28 13:15:28 lha Exp $
//
#ifndef _WordMonitor_h_
#define _WordMonitor_h_
#include <stdio.h>
#if TIME_WITH_SYS_TIME
#include <sys/time.h>
#include <time.h>
#else
# if HAVE_SYS_TIME_H
# include <sys/time.h>
# else
# include <time.h>
# endif
#endif
#define WORD_MONITOR_WRITE 1
#define WORD_MONITOR_READ 2
#define WORD_MONITOR_COMPRESS_01 3
#define WORD_MONITOR_COMPRESS_02 4
#define WORD_MONITOR_COMPRESS_03 5
#define WORD_MONITOR_COMPRESS_04 6
#define WORD_MONITOR_COMPRESS_05 7
#define WORD_MONITOR_COMPRESS_06 8
#define WORD_MONITOR_COMPRESS_07 9
#define WORD_MONITOR_COMPRESS_08 10
#define WORD_MONITOR_COMPRESS_09 11
#define WORD_MONITOR_COMPRESS_10 12
#define WORD_MONITOR_COMPRESS_MORE 13
#define WORD_MONITOR_PAGE_IBTREE 14
#define WORD_MONITOR_PAGE_LBTREE 15
#define WORD_MONITOR_PAGE_UNKNOWN 16
#define WORD_MONITOR_PUT 17
#define WORD_MONITOR_GET 18
#define WORD_MONITOR_GET_NEXT 19
#define WORD_MONITOR_GET_SET_RANGE 20
#define WORD_MONITOR_GET_OTHER 21
#define WORD_MONITOR_LEVEL 22
#define WORD_MONITOR_PGNO 23
#define WORD_MONITOR_CMP 24
#define WORD_MONITOR_VALUES_SIZE 50
#ifdef __cplusplus
extern "C" {
#endif
void word_monitor_click();
void word_monitor_add(int index, unsigned int value);
void word_monitor_set(int index, unsigned int value);
unsigned int word_monitor_get(int index);
#ifdef __cplusplus
}
#endif
#ifdef __cplusplus
#include "Configuration.h"
#include "htString.h"
class WordMonitor {
public:
WordMonitor(const Configuration &config);
~WordMonitor();
//
// Unique instance handlers
//
static void Initialize(const Configuration& config);
static WordMonitor* Instance() { return instance; }
void Add(int index, unsigned int value) { values[index] += value; }
void Set(int index, unsigned int value) { values[index] = value; }
unsigned int Get(int index) { return values[index]; }
const String Report() const;
void TimerStart();
void TimerClick(int signal);
void TimerStop();
private:
unsigned int values[WORD_MONITOR_VALUES_SIZE];
unsigned int old_values[WORD_MONITOR_VALUES_SIZE];
time_t started;
time_t elapsed;
int period;
FILE* output;
int output_style;
static char* values_names[WORD_MONITOR_VALUES_SIZE];
//
// Unique instance pointer
//
static WordMonitor* instance;
};
#endif /* __cplusplus */
#endif /* _WordMonitor_h_ */
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