XrdCksCalczcrc32 Class Reference

Inheritance diagram for XrdCksCalczcrc32:

Collaboration diagram for XrdCksCalczcrc32:

Public Member Functions
	XrdCksCalczcrc32 ()
	Constructor.
virtual	~XrdCksCalczcrc32 ()
	Destructor.
bool	Combinable () override
	Combinable trait.
const char *	Combine (const char *Cksum, int DLen) override
	Combine checksum into current checksum.
const char *	Combine (const char *Cksum1, const char *Cksum2, int DLen) override
	Combine two checksums and return result.
char *	Final () override
	Final checksum.
void	Init () override
	Initialize.
XrdCksCalc *	New () override
	Virtual constructor.
const char *	Type (int &csSz) override
	Checksum algorithm name.
void	Update (const char *Buff, int BLen) override
	Update current checksum.
Public Member Functions inherited from XrdCksCalc
	XrdCksCalc ()
	Constructor.
virtual	~XrdCksCalc ()
	Destructor.
virtual char *	Calc (const char *Buff, int BLen)
virtual char *	Current ()
virtual void	Recycle ()
	Recycle the checksum object as it is no longer needed. A default is given.

Detailed Description

Definition at line 47 of file XrdCksCalczcrc32.cc.

Constructor & Destructor Documentation

XrdCksCalczcrc32()

XrdCksCalczcrc32::XrdCksCalczcrc32 ( )

inline

Constructor.

Definition at line 54 of file XrdCksCalczcrc32.cc.

    {
      Init();
    }

References Init().

Referenced by New(), and XrdCksCalcInit().

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~XrdCksCalczcrc32()

virtual XrdCksCalczcrc32::~XrdCksCalczcrc32 ( )

inlinevirtual

Destructor.

Definition at line 62 of file XrdCksCalczcrc32.cc.

    {
    }

Member Function Documentation

Combinable()

bool XrdCksCalczcrc32::Combinable ( )

inlineoverridevirtual

Combinable trait.

Reimplemented from XrdCksCalc.

Definition at line 69 of file XrdCksCalczcrc32.cc.

{return true;}

Combine() [1/2]

const char * XrdCksCalczcrc32::Combine ( const char * Cksum, int DLen )

inlineoverridevirtual

Combine checksum into current checksum.

Reimplemented from XrdCksCalc.

Definition at line 74 of file XrdCksCalczcrc32.cc.

    {
       uint32_t crc2;
       memcpy(&crc2, Cksum, sizeof(crc2)); // The crc32 as returned by zlib
       pCheckSum = crc32_combine(pCheckSum, crc2, (z_off_t)DLen);
       return (char *)&pCheckSum;
    }

Combine() [2/2]

const char * XrdCksCalczcrc32::Combine ( const char * Cksum1, const char * Cksum2, int DLen )

inlineoverridevirtual

Combine two checksums and return result.

Reimplemented from XrdCksCalc.

Definition at line 85 of file XrdCksCalczcrc32.cc.

    {
       uint32_t crc1, crc2;
       memcpy(&crc1, Cksum1, sizeof(crc1)); // The crc32 as returned by zlib
       memcpy(&crc2, Cksum2, sizeof(crc2)); // The crc32 as returned by zlib
       pCheckSumTmp = crc32_combine(crc1, crc2, (z_off_t)DLen);
       return (char *)&pCheckSumTmp;
    }

Final()

char * XrdCksCalczcrc32::Final ( )

inlineoverridevirtual

Final checksum.

Implements XrdCksCalc.

Definition at line 98 of file XrdCksCalczcrc32.cc.

    {
      return (char *)&pCheckSum;
    }

Init()

void XrdCksCalczcrc32::Init ( )

inlineoverridevirtual

Initialize.

Implements XrdCksCalc.

Definition at line 106 of file XrdCksCalczcrc32.cc.

    {
      pCheckSum = crc32( 0L, Z_NULL, 0 );
    }

Referenced by XrdCksCalczcrc32().

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New()

XrdCksCalc * XrdCksCalczcrc32::New ( )

inlineoverridevirtual

Virtual constructor.

Implements XrdCksCalc.

Definition at line 114 of file XrdCksCalczcrc32.cc.

    {
      return new XrdCksCalczcrc32();
    }

References XrdCksCalc::XrdCksCalc(), and XrdCksCalczcrc32().

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Type()

const char * XrdCksCalczcrc32::Type ( int & csSz )

inlineoverridevirtual

Checksum algorithm name.

Implements XrdCksCalc.

Definition at line 130 of file XrdCksCalczcrc32.cc.

    {
      csSz = 4; return "zcrc32";
    }

Update()

void XrdCksCalczcrc32::Update ( const char * Buff, int BLen )

inlineoverridevirtual

Update current checksum.

Implements XrdCksCalc.

Definition at line 122 of file XrdCksCalczcrc32.cc.

    {
      pCheckSum = crc32( pCheckSum, (const Bytef*)Buff, BLen );
    }

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

• XrdCksCalczcrc32.cc