logfile.hpp

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/* ======================================================================== *\
 |
 |
 |  JOYIT Communication Technology
 |  Copyright (C)  2003-2006,  All Right Reserved.
 |
 |  System: Programmable Signaling Gateway
 |  Sub-system: MTP3
 |  Filename: logfile.hpp
 |  Environment:    LINUX -- Red Hat 7.2 & GNU C/C++ Compiler 2.96
 |                vxWorks -- Tornado 2.0 & vxWorks 5.4
 |  Function description: Declare the general log file management class
 |           for my system.
 |
\* ======================================================================== */

#ifndef _LOGFILE_HPP
#define _LOGFILE_HPP

#ifndef _DATATYPE_HPP
#include "datatype.hpp"
#endif

extern "C"
{
#ifndef _STDIO_H
#include <stdio.h> // or #include <iostream.h>
#endif
};

const ushort MAX_PREFIX		= 128;
const ushort MAX_SUFFIX		= 128;
const ushort MAX_FILENAME	= 512;
const ushort MAX_STRLEN 	= 1024;//512
const ushort BUF_LEN 		= 64;
const ushort MAX_BUF_LEN	= 128;
const UINT32 MAX_FILE_SIZE	= 1048576L; // 1073741824; //Modify 20K->1G,2005-12-22,WJQ.


const INT8  YMD_SUF    =    0, // Year+Month+Day+Suffix
            PRE_YMD    =    1, // Prefix+Year+Month+Day
            PRE_YMD_SUF=    2, // Prefix+Year+Month+Day+Suffix
            PRE_SUF    =    3, // Prefix+Suffix
            PRE_SEQ    =    4, // Prefix+Sequence number. seq act as the suffix, four byte.
            PRE_SEQ_SUF=    5, // Prefix+Seq+Suffix. seq occurpy four byte.
            SEQ_SUF    =    6, // Seq+Suffix
            PRE_YMD_SEQ =   7, //Add 2005-12-22 , WJQ.
            PRE_YMDHM = 	8,  //Add 2005-12-25 , WJQ.
            FILENAME   =    127;// File name already in filename[]

class LogFile
{
public:
    LogFile( );
    ~LogFile( );

public:
    void Init(const char * const pre, const char * const suf, INT8 fm);
    void SetFileName(const char * const fn);
    void SetBufLength(int bl);
    void SetLengthLimit(UINT32 ll);

public:
    ERRCOD_T OpenFile( );
    ERRCOD_T ReOpenFile( );
    ERRCOD_T CloseFile( );
    void    Flush( );   // Save the contents of buffer to disk file.

public:
    void    Log(const char * const msg);

private:
    void    CreateFileName( );

private:
    char fnPrefix[MAX_PREFIX];
    char fnSuffix[MAX_SUFFIX];
    char filename[MAX_FILENAME]; // Max file name is not longer than 511 char;
    FILE  * fp;
    char  ** iBuffer; // Store the information which will be saved to disk file.
    int bufLength; // The length of the buffer.
    UINT32 lenLimit; // To limit the length of the file. k byte // Modify by Wu jianjin, 2006-06-05.
    INT8 fnMode; // Use which rule to create the file name.
    INT16 seqNo; // The sequence is three number.
    short lineCount;

public: // Add 2006-06-02, by Wu jianjin
	void MovingOldLogFile( ); // Only for fnMode = FILENAME
	void Write2File( );
	void ClearBuffer( );

private: // Add 2006-06-05, by Wu jianjin.
	UINT32 totalFileLength;
};

#endif

// ------------------------------------------------------------------------
//
//  Revision list.
//  ==============
//
//  1.0,        2003-04-18,     Wu jianjin
//      Initial version.
//  1.1,        2003-05-19,     Wu jianjin
//      Ported to vxWorks.
//	2.0,		2006-06-02,		Wu jianjin
//
// ------------------------------------------------------------------------