file.C File Reference

#include <hobbes/hobbes.H>
#include <hobbes/db/file.H>
#include <hobbes/db/signals.H>
#include <hobbes/eval/cc.H>
#include <hobbes/util/str.H>
#include <hobbes/util/ptr.H>
#include <stdexcept>
#include <sstream>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include <fcntl.h>
#include <unistd.h>

Include dependency graph for file.C:

Classes
struct	hobbes::filehead
struct	hobbes::pagetype
struct	hobbes::pagedata
struct	hobbes::binding
struct	hobbes::fregion
struct	hobbes::falloc
struct	hobbes::imagefile
struct	hobbes::mapFileRefs

Namespaces
	hobbes

Macros
#define	CURRENT_FILE_FORMAT_VERSION   ((uint16_t)1)

Typedefs
typedef std::vector< pagedata >	hobbes::pagetable
typedef uint64_t	hobbes::file_pageindex_t
typedef std::map< std::string, binding >	hobbes::bindingset
typedef std::map< file_pageindex_t, fregion >	hobbes::fmappings
typedef std::map< char *, falloc >	hobbes::fallocs
typedef std::vector< file_pageindex_t >	hobbes::pageseq
typedef std::map< pagetype::code, pageseq >	hobbes::ptyorder

Functions
void	hobbes::dbglog (const std::string &)
static void	hobbes::raiseSysError (const std::string &msg, const std::string &fname)
uint16_t	hobbes::restInPage (const imagefile *f, size_t idx)
size_t	hobbes::pageCount (const imagefile *f, size_t sz)
static void	hobbes::closeFile (imagefile *f)
static bool	hobbes::loadFileSize (imagefile *f)
static void	hobbes::seekAbs (const imagefile *f, size_t pos)
static off_t	hobbes::filePosition (const imagefile *f)
static void	hobbes::allocPages (imagefile *f, size_t pages)
static void	hobbes::allocPage (imagefile *f)
template<typename T >
void	hobbes::write (imagefile *f, const T &x)
template<typename TIter >
void	hobbes::writes (imagefile *f, TIter begin, TIter end)
void	hobbes::write (imagefile *f, const std::string &x)
void	hobbes::write (imagefile *f, const std::vector< unsigned char > &xs)
template<typename T >
void	hobbes::read (const imagefile *f, T *x)
template<typename T >
void	hobbes::reads (const imagefile *f, size_t sz, T *x)
void	hobbes::read (imagefile *f, std::string *x)
void	hobbes::read (imagefile *f, std::vector< unsigned char > *xs)
size_t	hobbes::pageOffset (const imagefile *f, file_pageindex_t page)
file_pageindex_t	hobbes::pageIndex (const imagefile *f, uint64_t fpos)
static size_t	hobbes::position (const imagefile *f, file_pageindex_t page, uint16_t offset)
file_pageindex_t	hobbes::tocPageToFilePage (const imagefile *f, uint64_t tpage)
static uint64_t	hobbes::tocPosToFilePos (const imagefile *f, uint64_t spos)
static size_t	hobbes::pageTOCPosition (const imagefile *f, file_pageindex_t page)
static void	hobbes::updatePageSizeIndex (imagefile *f, file_pageindex_t page)
static void	hobbes::insertPageSizeIndex (imagefile *f, file_pageindex_t page)
static bool	hobbes::findPageWithSpace (imagefile *f, pagetype::code pt, size_t datalen, size_t alignment, file_pageindex_t *idx)
static void	hobbes::updateTOCData (imagefile *f, file_pageindex_t page, const pagedata &pd)
static void	hobbes::appendTOCData (imagefile *f, const pagetable &newpages)
size_t	hobbes::findSpace (imagefile *f, pagetype::code pt, size_t datalen, size_t alignment)
static void	hobbes::addBinding (imagefile *f, const std::string &vname, const MonoTypePtr &type, size_t offset)
fregion &	hobbes::createFileRegionMap (imagefile *f, file_pageindex_t page, size_t pages)
void	hobbes::releaseFileRegionMap (imagefile *f, const fregion &fr)
template<typename K , typename V >
std::map< K, V >::iterator	hobbes::gleb (std::map< K, V > &m, const K &x)
fregion &	hobbes::mappedFileRegion (imagefile *f, file_pageindex_t page, size_t pages)
static char *	hobbes::mapFileData (imagefile *f, size_t fpos, size_t sz)
static void	hobbes::unmapFileData (imagefile *f, void *p, size_t sz)
uint16_t	hobbes::assertValidPageSize (const imagefile *f, size_t psize)
static void	hobbes::createFile (imagefile *f)
void	hobbes::readPageData (imagefile *f)
static void	hobbes::readEnvironmentRecord (imagefile *f)
static size_t	hobbes::readEnvironmentPage (imagefile *f, file_pageindex_t p)
static void	hobbes::readFile (imagefile *f)
static imagefile *	hobbes::openFile (const std::string &fname, bool readonly)
bool	hobbes::isDBFile (const std::string &)
size_t	hobbes::storageSizeOf (const MonoTypePtr &)
bool	hobbes::storedAsArray (const MonoTypePtr &)
MonoTypePtr	hobbes::mkFR (const MonoTypePtr &t)
std::string	hobbes::showPageDesc (const pagedata &pd)
void	hobbes::ensureDirExists (const std::string &)
std::string	hobbes::withUniqueFilenameBy (const std::string &fprefix, const std::string &fsuffix, const std::function< bool(const std::string &)> &fileOp)
std::string	hobbes::uniqueFilename (const std::string &prefix, const std::string &suffix)
std::string	hobbes::moveToUniqueFilename (const std::string &oldpath, const std::string &fprefix, const std::string &fsuffix)

Variables
static const size_t	hobbes::minPageSize = 256
static const size_t	hobbes::maxPageSize = ((1 << 14) - 1)
static const uint32_t	hobbes::filePrefixBytes = 0x10a1db0d
static const size_t	hobbes::pageDataOffset = sizeof(filehead)

Macro Definition Documentation

CURRENT_FILE_FORMAT_VERSION

#define CURRENT_FILE_FORMAT_VERSION   ((uint16_t)1)