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NCBI C++ ToolKit: include/util/checksum.hpp Source File

GetSize(

)

;

GetBits(

)

;

GetResult32(

)

;

GetResult64(

)

;

GetResultHex(

)

;

InitTables(

);

x_Update(

*

,

);

x_Reset(EMethodDef method);

EMethod GetMethod(

)

;

Calculate(

*

,

);

Calculate(

*

,

, EMethod method,

&

);

Calculate(

*

,

, EMethod method,

&

);

Reset(EMethod method);

FarmHash32(

*

,

);

FarmHash64(

*

,

);

kMinimumChecksumLength = 20

EMethod GetMethod(

)

;

GetResult32();

GetResultHex();

AddChars(

*

,

);

AddLine(

* line,

);

AddLine(

& line);

NextLine(

);

AddFile(

& file_path);

Reset(EMethod method);

ValidChecksumLine(

* line,

)

;

ValidChecksumLine(

& line)

;

ValidChecksumLineLong(

* line,

)

;

* GetErrCodeString(

)

;

& GetChecksum(

)

;

extra_len = 0;

extra_bytes[extra_len++] = char(

& 0xff);

extra.

(extra_bytes, extra_len);

(line.data(), line.size());

line[0] ==

&& line[1] ==

&&

line[2] ==

&& line[3] ==

&&

.md5->Finalize(digest);

[16];

.insert(

.end(), (

*)

, (

*)

+ 16);

uint32_t MurmurHash2(const void *key, int len, uint32_t seed)

uint64_t MurmurHash64A(const void *key, int len, uint64_t seed)

void MurmurHash3_x86_32(const void *key, int len, uint32_t seed, void *out)

uint32 CityHash32(const char *buf, size_t len)

uint64 CityHash64(const char *buf, size_t len)

CChecksumBase – Base class with auxiliary methods for CHash and CChecksum.

CChecksumStreamWriter –.

CChecksum – Checksum calculator.

CHash – Hash calculator.

CTempString implements a light-weight string on top of a storage buffer whose lifetime management is ...

A very basic data-write interface.

Include a standard set of the NCBI C++ Toolkit most basic headers.

Abstract reader-writer interface classes.

std::ofstream out("events_result.xml")

main entry point for tests

static const char * str(char *buf, int n)

size_t GetBits(void) const

Return size of checksum/hash in bits (32, 64).

union CChecksumBase::@940 m_Value

Checksum/Hash computation result.

size_t m_CharCount

Number of processed chars.

CNcbiOstream & WriteChecksum(CNcbiOstream &out) const

Write checksum calculation results into output stream.

EMethodDef m_Method

Current method.

string GetHexSum(void) const

Return string with checksum in hexadecimal form.

NCBI_EXCEPTION_DEFAULT(CChecksumException, CCoreException)

CMD5 * md5

Used for MD5 calculation.

void x_Free(void)

Cleanup (used in destructor and assignment operator).

EMethodDef x_GetMethod(void) const

void AddLine(const char *line, size_t len)

void Reset(void)

Reset the object to prepare it to the next checksum computation with the same method.

Uint4 v32

Used to store 32-bit results.

Uint4 v32

Used to store 32-bit results.

EMethod

Method used to compute hash.

bool ValidChecksumLine(const char *line, size_t len) const

Check for checksum line.

void Reset(EMethod method)

Reset the object to prepare it to the next computation using another method.

bool ValidChecksumLineLong(const char *line, size_t len) const

Check for checksum line.

size_t GetSize(void) const

Return size of checksum/hash in bytes, depending on used method.

Uint4 GetChecksum(void) const

Return calculated checksum.

EMethodDef

All supported methods for CHash and CCheksum.

CChecksum m_Checksum

Checksum calculator.

void x_Update(const char *str, size_t len)

Update current control sum with data provided.

void GetMD5Digest(unsigned char digest[16]) const

Return calculated MD5 digest.

NCBI_XUTIL_EXPORT CChecksum ComputeFileChecksum(const string &path, CChecksum::EMethod method)

Compute checksum for the given file.

Uint8 GetResult64(void) const

Return calculated result.

size_t m_LineCount

Number of processed lines.

const CChecksum & GetChecksum(void) const

Return checksum.

EMethod GetMethod(void) const

Get current method used to compute hash.

void AddChars(const char *str, size_t len)

Update current control sum with data provided.

Uint4 GetResult32(void) const

Return calculated result.

EMethod GetMethod(void) const

Get current method used to compute checksum.

NCBI_XUTIL_EXPORT Uint4 ComputeFileCRC32(const string &path)

Compute CRC32 checksum for the given file.

void x_Reset(EMethodDef method)

Reset the object to prepare it to the next computation using selected method.

Uint8 v64

Used to store 64-bit results.

EMethod

Method used to compute control sum.

size_t GetChecksumSize(void) const

Return size of checksum in bytes.

static Uint8 m_Seed

Unique seed used by some hash methods.

CNcbiOstream & operator<<(CNcbiOstream &out, const CChecksum &checksum)

Write checksum calculation results into output stream.

void Calculate(const CTempString str)

Calculate hash.

@ eCityHash32

CityHash, 32-bit result.

@ eFarmHash32

FarmHash, 32-bit result.

@ eNone

Undefined (for internal use).

@ eCRC32INSD

Inverted CRC32ZIP.

@ eMurmurHash2_64

MurmurHash2 for x64, 64-bit result.

@ eAdler32

A bit faster than CRC32ZIP, not recommended for small data sizes.

@ eCRC32

32-bit Cyclic Redundancy Check.

@ eMurmurHash3_32

MurmurHash3 for x86, 32-bit result.

@ eCityHash64

CityHash, 64-bit result.

@ eMurmurHash2_32

MurmurHash2 for x86, 32-bit result.

@ eCRC32ZIP

Exact zip CRC32.

@ eCRC32CKSUM

CRC32 implemented by cksum utility.

@ eFarmHash64

FarmHash, 64-bit result.

@ eMD5

Message Digest version 5.

@ eCRC32C

CRC32C (Castagnoli).

EErrCode

Error types that an application can generate.

void Write(CObjectOStream &out, TConstObjectPtr object, const CTypeRef &type)

uint32_t Uint4

4-byte (32-bit) unsigned integer

uint64_t Uint8

8-byte (64-bit) unsigned integer

#define END_NCBI_SCOPE

End previously defined NCBI scope.

#define BEGIN_NCBI_SCOPE

Define ncbi namespace.

ERW_Result

Result codes for I/O operations.

IO_PREFIX::ostream CNcbiOstream

Portable alias for ostream.

IO_PREFIX::istream CNcbiIstream

Portable alias for istream.

#define NCBI_XNCBI_EXPORT

CMD5 - class for computing Message Digest version 5 checksums.

NCBI_XUTIL_EXPORT

Parameter to control printing diagnostic message about conversion of static array data from a differe...

string GetMD5Digest(const CChecksum &cs)

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