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56 lines
1.9 KiB
C
56 lines
1.9 KiB
C
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/***************************************************************************
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rlhistorylogger.h - description
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-------------------
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begin : Wed Dec 06 2006
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copyright : (C) 2006 by R. Lehrig
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email : lehrig@t-online.de
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***************************************************************************/
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/***************************************************************************
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* *
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* This library is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU LESSER GENERAL PUBLIC LICENSE as *
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* published by the Free Software Foundation *
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* *
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***************************************************************************/
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#ifndef _RL_HISTORY_LOGGER_H_
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#define _RL_HISTORY_LOGGER_H_
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#include "rldefine.h"
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#include "rltime.h"
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#include "rlthread.h"
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#include <stdio.h>
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typedef struct _rlHistoryLogLine_
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{
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_rlHistoryLogLine_ *next;
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char *line;
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}rlHistoryLogLine;
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/*! <pre>
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This class logs tab separated text including time stamp in 10 csv files + actual values in memory
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This is for archiveing historical data with time stamp.
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You should separate the text in pushLine with tab.
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</pre> */
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class rlHistoryLogger
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{
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public:
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rlHistoryLogger(const char *csvName, int maxHoursPerFile, int maxLinesInMemory=100);
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virtual ~rlHistoryLogger();
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int pushLine(const char *text);
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const char *firstLine();
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const char *nextLine();
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rlMutex mutex;
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int debug;
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private:
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int pushLineToMemory(const char *line);
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int pushLineToFile(const char *line);
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int openFile();
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rlHistoryLogLine *first_line,*current_line;
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rlTime time,file_start_time,time_diff;
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FILE *fout;
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int max_hours_per_file, max_lines_in_memory, current_file;
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char *csv_name, *csv_file_name;
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};
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#endif
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