fio_AlterJourBlock Class Reference
[Classes for large file i/o, relative file, and DataBase]

#include <fio_AlterJourBlock.h>

List of all members.

---

Detailed Description

Definition at line 26 of file fio_AlterJourBlock.h.

Public Member Functions
	fio_AlterJourBlock ()
virtual	~fio_AlterJourBlock ()
int	Insert (UInt16_t a_fileID, ivd_FilePosition_t a_filePosition, ivd_FileBufSize_t a_bufSize)
	return size of inserted data
int	Insert (const UInt8_t *a_data, int a_size)
int	Insert (fio_Alter_t &a_alter)
void	WriteToLog (fio_JourHandle *m_jourHnd_p)
int	Size ()
UInt8_t *	GetBlock ()
int	GetDataSizeOn (UInt8_t *a_pos_p, int a_size)
int	SizeAvail ()
bool	IsAlterHdrOn (UInt8_t *a_pos_p)
void	Clear ()
Private Attributes
int	m_blockSize
UInt8_t *	m_block
UInt8_t *	m_fillPos
UInt8_t *	m_endPos
	one byte past last
	log_CLASSID_m

---

Constructor & Destructor Documentation

fio_AlterJourBlock::fio_AlterJourBlock

(

)

Definition at line 38 of file fio_AlterJourBlock.cpp.

00039     :
00040     m_blockSize(c_fio_alterJourBlockSize),
00041     m_block (new UInt8_t[c_fio_alterJourBlockSize]),
00042     m_fillPos(m_block),
00043     m_endPos(m_block + c_fio_alterJourBlockSize)
00044 {
00045     // empty
00046 }
//============================================================================//

fio_AlterJourBlock::~fio_AlterJourBlock

(

)

[virtual]

Definition at line 50 of file fio_AlterJourBlock.cpp.

References m_block.

{
    delete [] m_block;
}

---

Member Function Documentation

int fio_AlterJourBlock::Insert	(	UInt16_t	a_fileID,
		ivd_FilePosition_t	a_filePosition,
		ivd_FileBufSize_t	a_bufSize
	)

return size of inserted data

Definition at line 57 of file fio_AlterJourBlock.cpp.

References fio_Alter_t::Init(), m_endPos, and m_fillPos.

Referenced by fio_AlterJour::Insert().

                                          {
    if ((m_fillPos + sizeof(fio_Alter_t)) < m_endPos) {
        fio_Alter_t &alterHdr = *reinterpret_cast<fio_Alter_t*>(m_fillPos);
        alterHdr.Init(a_fileID, a_filePosition, a_bufSize);
        m_fillPos += sizeof(fio_Alter_t);
        return sizeof(fio_Alter_t);
    }
    return 0;
}

Here is the call graph for this function:

Here is the caller graph for this function:

int fio_AlterJourBlock::Insert	(	const UInt8_t *	a_data,
		int	a_size
	)

Definition at line 71 of file fio_AlterJourBlock.cpp.

References m_endPos, m_fillPos, and size.

                                                                {
    if ((m_fillPos + a_size) < m_endPos) {
        memcpy(m_fillPos, a_data, a_size);
        m_fillPos += a_size;
        return a_size;
    }
    else { // fill up to the end of buffer;
        int size = m_endPos - m_fillPos;
        memcpy(m_fillPos, a_data, size);
        m_fillPos += size;
        return size;
    }
}

int fio_AlterJourBlock::Insert

(

fio_Alter_t &

a_alter

)

Definition at line 87 of file fio_AlterJourBlock.cpp.

References m_endPos, and m_fillPos.

                                                      {
    if ((m_fillPos + sizeof(fio_Alter_t)) < m_endPos) {
        fio_Alter_t &alterHdr = *reinterpret_cast<fio_Alter_t*>(m_fillPos);
        alterHdr = a_alter;
        m_fillPos += sizeof(fio_Alter_t);
        return sizeof(fio_Alter_t);
    }
    return 0;
}

void fio_AlterJourBlock::WriteToLog

(

fio_JourHandle *

m_jourHnd_p

)

Definition at line 99 of file fio_AlterJourBlock.cpp.

References fio_JourHandle::JourWrite(), m_block, and Size().

                                                               {
    m_jourHnd_p->JourWrite(m_block, Size());
}

Here is the call graph for this function:

int fio_AlterJourBlock::Size

(

)

[inline]

Definition at line 42 of file fio_AlterJourBlock.h.

Referenced by WriteToLog().

               {
        return m_fillPos - m_block;
    };

Here is the caller graph for this function:

UInt8_t* fio_AlterJourBlock::GetBlock

(

)

[inline]

Definition at line 46 of file fio_AlterJourBlock.h.

Referenced by fio_AlterJour::UpdateDB().

{ return m_block; };

Here is the caller graph for this function:

int fio_AlterJourBlock::GetDataSizeOn	(	UInt8_t *	a_pos_p,
		int	a_size
	)			[inline]

Definition at line 48 of file fio_AlterJourBlock.h.

Referenced by fio_AlterJour::UpdateDB().

                                                     {
        return (a_pos_p + a_size <= m_fillPos) 
                ? a_size
                : m_fillPos - a_pos_p;
    };

Here is the caller graph for this function:

int fio_AlterJourBlock::SizeAvail

(

)

[inline]

Definition at line 54 of file fio_AlterJourBlock.h.

Referenced by fio_AlterJour::Insert().

                    {
        return m_endPos - m_fillPos;
    };

Here is the caller graph for this function:

bool fio_AlterJourBlock::IsAlterHdrOn

(

UInt8_t *

a_pos_p

)

[inline]

Definition at line 58 of file fio_AlterJourBlock.h.

Referenced by fio_AlterJour::UpdateDB().

                                         {
        return ((a_pos_p + sizeof(fio_Alter_t)) <= m_fillPos);
    };

Here is the caller graph for this function:

void fio_AlterJourBlock::Clear

(

void

)

[inline]

Definition at line 62 of file fio_AlterJourBlock.h.

                 {
        m_fillPos = m_block;
    };

---

Member Data Documentation

int fio_AlterJourBlock::m_blockSize [private]

Definition at line 64 of file fio_AlterJourBlock.h.

UInt8_t* fio_AlterJourBlock::m_block [private]

Definition at line 69 of file fio_AlterJourBlock.h.

Referenced by WriteToLog(), and ~fio_AlterJourBlock().

UInt8_t* fio_AlterJourBlock::m_fillPos [private]

Definition at line 70 of file fio_AlterJourBlock.h.

Referenced by Insert().

UInt8_t* fio_AlterJourBlock::m_endPos [private]

one byte past last

Definition at line 72 of file fio_AlterJourBlock.h.

Referenced by Insert().

fio_AlterJourBlock::log_CLASSID_m [private]

Definition at line 74 of file fio_AlterJourBlock.h.

---

The documentation for this class was generated from the following files:

• fio_AlterJourBlock.h
• fio_AlterJourBlock.cpp