mongo::dur::JHeader Struct Reference

beginning header for a journal/j._<n> file there is nothing important int this header at this time. More...

#include <dur_journalformat.h>

Detailed Description

beginning header for a journal/j._<n> file there is nothing important int this header at this time.

except perhaps version #.

Public Types
enum	{ CurrentVersion = 0x4149 }

Public Member Functions
	JHeader ()
	JHeader (std::string fname)
bool	versionOk () const
bool	valid () const

Public Attributes
char	magic [2]
unsigned short	_version
char	n1
char	ts [20]
char	n2
char	dbpath [128]
char	n3
char	n4
unsigned long long	fileId
char	reserved3 [8026]
char	txt2 [2]

Member Enumeration Documentation

anonymous enum

anonymous enum

Enumerator
CurrentVersion

Constructor & Destructor Documentation

JHeader() [1/2]

mongo::dur::JHeader::JHeader ( )

inline

JHeader() [2/2]

mongo::dur::JHeader::JHeader

(

std::string

fname

)

Member Function Documentation

valid()

bool mongo::dur::JHeader::valid ( ) const

inline

versionOk()

bool mongo::dur::JHeader::versionOk ( ) const

inline

Member Data Documentation

_version

unsigned short mongo::dur::JHeader::_version

dbpath

char mongo::dur::JHeader::dbpath[128]

fileId

unsigned long long mongo::dur::JHeader::fileId

magic

char mongo::dur::JHeader::magic[2]

n1

char mongo::dur::JHeader::n1

n2

char mongo::dur::JHeader::n2

n3

char mongo::dur::JHeader::n3

n4

char mongo::dur::JHeader::n4

reserved3

char mongo::dur::JHeader::reserved3[8026]

ts

char mongo::dur::JHeader::ts[20]

txt2

char mongo::dur::JHeader::txt2[2]

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

• /home/louis/git/mongodbsource.github.io/src/src/mongo/db/storage/mmap_v1/dur_journalformat.h