casacore::Casarc Class Reference

#include <Casarc.h>

Classes
class	meta_entry_

Public Types
typedef std::map< std::string, std::string >::const_iterator	iterator

Public Member Functions
void	put (const std::string &keyword, const std::string &value)
	adds the keyword->value mapping More...
std::string	get (const std::string &keyword)
	retrieves the mapping for keyword (or "" if the mapping is not defined) More...
bool	get (const std::string &keyword, std::string &value)
	retrieves the mapping for keyword in value (and returns true if the mapping is defined or false otherwise) More...
size_t	size () const
const std::string &	path () const
	path to the file that this Casarc mirrors... More...
iterator	begin ()
iterator	end ()

Static Public Member Functions
static Casarc &	instance ()
	return default casarc file, e.g. More...
static void	setDefaultPath (const std::string &path)
	set and clear the default casarc path (to something other than ~/.casarc) More...
static void	clearDefaultPath ()
static Casarc &	instance (const std::string &path)
	return a casarc object attached to a particular file More...
static const std::list< Casarc * > &	list ()
	return the list of rcfiles that have been loaded More...

Private Types
enum	lock_mode {   READ,   READ_WRITE,   WRITE,   APPEND }

Private Member Functions
void	close (int)
int	lock (lock_mode mode)
	returns a file descriptor or -1 on error... More...
void	unlock (int fd)
void	sync ()
double	current_modification_time (struct stat &buf)
void	read_file ()
	Casarc (const std::string &path)
	path is the path to the.casarc (or.aipsrc file) More...
	~Casarc ()

Static Private Member Functions
static void	startup ()
static void	shutdown ()

Private Attributes
char *	mapped_file
off_t	mapped_file_size
std::list< int >	stale_fds
std::list< pid_t >	have_lock
std::string	filename
double	timestamp
std::map< std::string, std::string >	rcmap
std::map< std::string, meta_entry_ >	rcmetamap
	this is broken off separate from the rcmap to allow the rcmap to be used for iteration by users of this class... More...
ino_t	inode

Static Private Attributes
static std::map< ino_t, Casarc * > *	rcfiles
	singleton Casarcs, (inode->casarc) More...
static std::map< std::string, Casarc * > *	filenames
static std::list< Casarc * > *	rclist
static std::string *	default_path
static bool	initialized

Friends
class	CasarcCleanup

Detailed Description

Definition at line 40 of file Casarc.h.

Member Typedef Documentation

typedef std::map<std::string,std::string>::const_iterator casacore::Casarc::iterator

Definition at line 46 of file Casarc.h.

Member Enumeration Documentation

enum casacore::Casarc::lock_mode

private

Enumerator
READ
READ_WRITE
WRITE
APPEND

Definition at line 114 of file Casarc.h.

Constructor & Destructor Documentation

casacore::Casarc::Casarc ( const std::string &  path )

private

path is the path to the.casarc (or.aipsrc file)

casacore::Casarc::~Casarc ( )

inlineprivate

Definition at line 144 of file Casarc.h.

Member Function Documentation

iterator casacore::Casarc::begin

(

)

static void casacore::Casarc::clearDefaultPath ( )

static

void casacore::Casarc::close ( int  )

private

double casacore::Casarc::current_modification_time ( struct stat &  buf )

private

iterator casacore::Casarc::end

(

)

std::string casacore::Casarc::get

(

const std::string &

keyword

)

retrieves the mapping for keyword (or "" if the mapping is not defined)

bool casacore::Casarc::get	(	const std::string &	keyword,
		std::string &	value
	)

retrieves the mapping for keyword in value (and returns true if the mapping is defined or false otherwise)

static Casarc& casacore::Casarc::instance ( )

static

return default casarc file, e.g.

~/.casarc

static Casarc& casacore::Casarc::instance ( const std::string &  path )

static

return a casarc object attached to a particular file

static const std::list<Casarc*>& casacore::Casarc::list ( )

static

return the list of rcfiles that have been loaded

int casacore::Casarc::lock ( lock_mode  mode )

private

returns a file descriptor or -1 on error...

const std::string& casacore::Casarc::path ( ) const

inline

path to the file that this Casarc mirrors...

Definition at line 74 of file Casarc.h.

References filename.

void casacore::Casarc::put	(	const std::string &	keyword,
		const std::string &	value
	)

adds the keyword->value mapping

void casacore::Casarc::read_file ( )

private

static void casacore::Casarc::setDefaultPath ( const std::string &  path )

static

set and clear the default casarc path (to something other than ~/.casarc)

static void casacore::Casarc::shutdown ( )

staticprivate

Referenced by casacore::CasarcCleanup::~CasarcCleanup().

size_t casacore::Casarc::size

(

)

const

static void casacore::Casarc::startup ( )

staticprivate

void casacore::Casarc::sync ( )

private

void casacore::Casarc::unlock ( int  fd )

private

Friends And Related Function Documentation

friend class CasarcCleanup

friend

Definition at line 42 of file Casarc.h.

Member Data Documentation

std::string* casacore::Casarc::default_path

staticprivate

Definition at line 138 of file Casarc.h.

std::string casacore::Casarc::filename

private

Definition at line 122 of file Casarc.h.

Referenced by path().

std::map<std::string,Casarc*>* casacore::Casarc::filenames

staticprivate

Definition at line 136 of file Casarc.h.

std::list<pid_t> casacore::Casarc::have_lock

private

Definition at line 112 of file Casarc.h.

bool casacore::Casarc::initialized

staticprivate

Definition at line 141 of file Casarc.h.

ino_t casacore::Casarc::inode

private

Definition at line 132 of file Casarc.h.

char* casacore::Casarc::mapped_file

private

Definition at line 106 of file Casarc.h.

off_t casacore::Casarc::mapped_file_size

private

Definition at line 107 of file Casarc.h.

std::map<ino_t,Casarc*>* casacore::Casarc::rcfiles

staticprivate

singleton Casarcs, (inode->casarc)

Definition at line 135 of file Casarc.h.

std::list<Casarc*>* casacore::Casarc::rclist

staticprivate

Definition at line 137 of file Casarc.h.

std::map<std::string,std::string> casacore::Casarc::rcmap

private

Definition at line 125 of file Casarc.h.

std::map<std::string,meta_entry_> casacore::Casarc::rcmetamap

private

this is broken off separate from the rcmap to allow the rcmap to be used for iteration by users of this class...

Definition at line 128 of file Casarc.h.

std::list<int> casacore::Casarc::stale_fds

private

Definition at line 109 of file Casarc.h.

double casacore::Casarc::timestamp

private

Definition at line 123 of file Casarc.h.

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

• casa/casacore/casa/System/Casarc.h