libcvmfs.h File Reference

#include <stdint.h>
#include <sys/stat.h>
#include <unistd.h>

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Classes
struct	cvmfs_nc_attr
struct	cvmfs_attr
struct	cvmfs_stat_t

Macros
#define	LIBCVMFS_VERSION   2
#define	LIBCVMFS_VERSION_MAJOR   LIBCVMFS_VERSION
#define	LIBCVMFS_VERSION_MINOR   12
#define	LIBCVMFS_REVISION   31
#define	LIBCVMFS_FAIL_OK   0
#define	LIBCVMFS_FAIL_NOFILES   -1
#define	LIBCVMFS_FAIL_MKCACHE   -2
#define	LIBCVMFS_FAIL_OPENCACHE   -3
#define	LIBCVMFS_FAIL_LOCKFILE   -4
#define	LIBCVMFS_FAIL_INITCACHE   -5
#define	LIBCVMFS_FAIL_INITQUOTA   -6
#define	LIBCVMFS_FAIL_BADOPT   -7

Typedefs
typedef struct LibContext	cvmfs_context
typedef struct OptionsManager	cvmfs_option_map

Enumerations
enum	cvmfs_errors {   LIBCVMFS_ERR_OK = 0, LIBCVMFS_ERR_UNKNOWN, LIBCVMFS_ERR_OPTIONS, LIBCVMFS_ERR_PERMISSION,   LIBCVMFS_ERR_MOUNT, LIBCVMFS_ERR_LOADER_TALK, LIBCVMFS_ERR_FUSE_LOOP, LIBCVMFS_ERR_LOAD_LIBRARY,   LIBCVMFS_ERR_INCOMPATIBLE_VERSIONS, LIBCVMFS_ERR_CACHE_DIR, LIBCVMFS_ERR_PEERS, LIBCVMFS_ERR_NFS_MAPS,   LIBCVMFS_ERR_QUOTA, LIBCVMFS_ERR_MONITOR, LIBCVMFS_ERR_TALK, LIBCVMFS_ERR_SIGNATURE,   LIBCVMFS_ERR_CATALOG, LIBCVMFS_ERR_MAINTENANCE_MODE, LIBCVMFS_ERR_SAVE_STATE, LIBCVMFS_ERR_RESTORE_STATE,   LIBCVMFS_ERR_OTHER_MOUNT, LIBCVMFS_ERR_DOUBLE_MOUNT, LIBCVMFS_ERR_HISTORY, LIBCVMFS_ERR_WPAD,   LIBCVMFS_ERR_LOCK_WORKSPACE, LIBCVMFS_ERR_REVISION_BLACKLISTED }

Functions
struct cvmfs_nc_attr *	cvmfs_nc_attr_init ()
void	cvmfs_nc_attr_free (struct cvmfs_nc_attr *nc_attr)
struct cvmfs_attr *	cvmfs_attr_init ()
void	cvmfs_attr_free (struct cvmfs_attr *attr)
void	cvmfs_set_log_fn (void(*log_fn)(const char *msg))
char *	cvmfs_statistics_format (cvmfs_context *ctx)
cvmfs_option_map *	cvmfs_options_init ()
cvmfs_option_map *	cvmfs_options_init_v2 (int taint_environ)
void	cvmfs_enable_threaded (cvmfs_context *ctx)
cvmfs_option_map *	cvmfs_options_init_legacy (const char *legacy_options)
cvmfs_option_map *	cvmfs_options_clone (cvmfs_option_map *opts)
cvmfs_option_map *	cvmfs_options_clone_legacy (cvmfs_option_map *opts, const char *legacy_options)
void	cvmfs_options_fini (cvmfs_option_map *opts)
void	cvmfs_options_set (cvmfs_option_map *opts, const char *key, const char *value)
int	cvmfs_options_parse (cvmfs_option_map *opts, const char *path)
void	cvmfs_options_parse_default (cvmfs_option_map *opts, const char *fqrn)
void	cvmfs_options_unset (cvmfs_option_map *opts, const char *key)
char *	cvmfs_options_get (cvmfs_option_map *opts, const char *key)
char *	cvmfs_options_dump (cvmfs_option_map *opts)
void	cvmfs_options_free (char *value)
int	cvmfs_init (char const *options)
cvmfs_errors	cvmfs_init_v2 (cvmfs_option_map *opts)
void	cvmfs_fini ()
cvmfs_context *	cvmfs_attach_repo (char const *options)
cvmfs_errors	cvmfs_attach_repo_v2 (const char *fqrn, cvmfs_option_map *opts, cvmfs_context **ctx)
void	cvmfs_adopt_options (cvmfs_context *ctx, cvmfs_option_map *opts)
void	cvmfs_detach_repo (cvmfs_context *ctx)
int	cvmfs_remount (cvmfs_context *ctx)
int	cvmfs_open (cvmfs_context *ctx, const char *path)
ssize_t	cvmfs_pread (cvmfs_context *ctx, int fd, void *buf, size_t size, off_t off)
int	cvmfs_close (cvmfs_context *ctx, int fd)
int	cvmfs_readlink (cvmfs_context *ctx, const char *path, char *buf, size_t size)
int	cvmfs_stat (cvmfs_context *ctx, const char *path, struct stat *st)
int	cvmfs_lstat (cvmfs_context *ctx, const char *path, struct stat *st)
int	cvmfs_stat_attr (cvmfs_context *ctx, const char *path, struct cvmfs_attr *attr)
int	cvmfs_listdir (cvmfs_context *ctx, const char *path, char ***buf, size_t *buflen)
int	cvmfs_listdir_contents (cvmfs_context *ctx, const char *path, char ***buf, size_t *listlen, size_t *buflen)
int	cvmfs_listdir_stat (cvmfs_context *ctx, const char *path, struct cvmfs_stat_t **buf, size_t *listlen, size_t *buflen)
int	cvmfs_stat_nc (cvmfs_context *ctx, const char *path, struct cvmfs_nc_attr *ncst)
int	cvmfs_list_nc (cvmfs_context *ctx, const char *path, char ***buf, size_t *buflen)
void	cvmfs_list_free (char **buf)
uint64_t	cvmfs_get_revision (cvmfs_context *ctx)

Macro Definition Documentation

#define LIBCVMFS_FAIL_BADOPT   -7

Definition at line 61 of file libcvmfs.h.

Referenced by cvmfs_init(), cvmfs_global_options::set_option(), TranslateReturnValue(), and cvmfs_global_options::verify_sanity().

#define LIBCVMFS_FAIL_INITCACHE   -5

Definition at line 59 of file libcvmfs.h.

Referenced by TranslateReturnValue().

#define LIBCVMFS_FAIL_INITQUOTA   -6

Definition at line 60 of file libcvmfs.h.

Referenced by TranslateReturnValue().

#define LIBCVMFS_FAIL_LOCKFILE   -4

Definition at line 58 of file libcvmfs.h.

Referenced by TranslateReturnValue().

#define LIBCVMFS_FAIL_MKCACHE   -2

Definition at line 56 of file libcvmfs.h.

Referenced by TranslateReturnValue().

#define LIBCVMFS_FAIL_NOFILES   -1

Definition at line 55 of file libcvmfs.h.

Referenced by TranslateReturnValue().

#define LIBCVMFS_FAIL_OK   0

Definition at line 54 of file libcvmfs.h.

Referenced by TranslateReturnValue(), cvmfs_repo_options::verify_sanity(), and cvmfs_global_options::verify_sanity().

#define LIBCVMFS_FAIL_OPENCACHE   -3

Definition at line 57 of file libcvmfs.h.

#define LIBCVMFS_REVISION   31

Definition at line 47 of file libcvmfs.h.

Referenced by LibGlobals::Initialize(), and libcvmfs_initialize().

#define LIBCVMFS_VERSION   2

This file is part of the CernVM File System.

NOTE: when adding or removing public symbols, you must also update the list in libcvmfs_public_syms.txt.

Not supported in the library:

• Quota management
• Asynchronous HTTP I/O
• Automatic update of root file catalog
• Tracer
• Authz helper

Definition at line 18 of file libcvmfs.h.

#define LIBCVMFS_VERSION_MAJOR   LIBCVMFS_VERSION

Definition at line 19 of file libcvmfs.h.

Referenced by LibGlobals::Initialize(), and libcvmfs_initialize().

#define LIBCVMFS_VERSION_MINOR   12

Definition at line 20 of file libcvmfs.h.

Referenced by LibGlobals::Initialize(), and libcvmfs_initialize().

Typedef Documentation

typedef struct LibContext cvmfs_context

Definition at line 70 of file libcvmfs.h.

typedef struct OptionsManager cvmfs_option_map

Definition at line 71 of file libcvmfs.h.

Enumeration Type Documentation

enum cvmfs_errors

Error codes for cvmfs_init_v2() and cvmfs_attach_repo_v2(). Mirrors the failure codes in loader.h

Enumerator
LIBCVMFS_ERR_OK
LIBCVMFS_ERR_UNKNOWN
LIBCVMFS_ERR_OPTIONS
LIBCVMFS_ERR_PERMISSION
LIBCVMFS_ERR_MOUNT
LIBCVMFS_ERR_LOADER_TALK
LIBCVMFS_ERR_FUSE_LOOP
LIBCVMFS_ERR_LOAD_LIBRARY
LIBCVMFS_ERR_INCOMPATIBLE_VERSIONS
LIBCVMFS_ERR_CACHE_DIR
LIBCVMFS_ERR_PEERS
LIBCVMFS_ERR_NFS_MAPS
LIBCVMFS_ERR_QUOTA
LIBCVMFS_ERR_MONITOR
LIBCVMFS_ERR_TALK
LIBCVMFS_ERR_SIGNATURE
LIBCVMFS_ERR_CATALOG
LIBCVMFS_ERR_MAINTENANCE_MODE
LIBCVMFS_ERR_SAVE_STATE
LIBCVMFS_ERR_RESTORE_STATE
LIBCVMFS_ERR_OTHER_MOUNT
LIBCVMFS_ERR_DOUBLE_MOUNT
LIBCVMFS_ERR_HISTORY
LIBCVMFS_ERR_WPAD
LIBCVMFS_ERR_LOCK_WORKSPACE
LIBCVMFS_ERR_REVISION_BLACKLISTED

Definition at line 78 of file libcvmfs.h.

Function Documentation

void cvmfs_adopt_options	(	cvmfs_context *	ctx,
		cvmfs_option_map *	opts
	)

Transfer ownership of opts to the context ctx. The option map is automatically freed by cvmfs_detach_repo.

cvmfs_context* cvmfs_attach_repo

(

char const *

options

)

Initialize a CVMFS remote repository. Legacy. Use cvmfs_attach_repo_v2().

Parameters

[in]

options,option1,option2,...

Returns

0 on success

Definition at line 490 of file libcvmfs_legacy.cc.

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cvmfs_errors cvmfs_attach_repo_v2	(	const char *	fqrn,
		cvmfs_option_map *	opts,
		cvmfs_context **	ctx
	)

Creates a new repository context. On successful return, *ctx is not NULL and must be freed by a call to cvmfs_detach_repo(). Otherwise *ctx is NULL.

The cvmfs_option_map can be the global cvmfs_option_map pointer or a new pointer retrieved from cvmfs_options_clone(). If it is a new pointer, ownership can be transferred to the context by a call to cvmfs_adopt_options() so that the options map is free by cvmfs_detach_repo().

void cvmfs_attr_free

(

struct cvmfs_attr *

attr

)

Destroy the cvmfs_attr struct and frees the checksum, symlink, parent, name, and xattrs.

Parameters

attr,pointer

to a cvmfs_attr struct to be deleted.

Destroy the cvmfs_attr struct and frees the checksum, symlink, name, and xattrs.

Definition at line 53 of file libcvmfs.cc.

Referenced by libcvmfs_has_file(), shrinkwrap::Sync(), and shrinkwrap::updateStat().

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struct cvmfs_attr* cvmfs_attr_init

(

)

Create the cvmfs_attr struct which contains the same information as a stat, but also has pointers to the hash, symlink, and name. pointer to a cvmfs_attr struct

Create the cvmfs_attr struct which contains the same information as a stat, but also has pointers to the hash, symlink, and name.

Definition at line 39 of file libcvmfs.cc.

Referenced by libcvmfs_has_file(), shrinkwrap::Sync(), and shrinkwrap::updateStat().

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int cvmfs_close	(	cvmfs_context *	ctx,
		int	fd
	)

Close a file previously opened with cvmfs_open().

Parameters

[in]

fd,file

descriptor to close

Returns

0 on success, -1 on failure (sets errno)

Definition at line 261 of file libcvmfs.cc.

Referenced by libcvmfs_do_fclose().

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void cvmfs_detach_repo

(

cvmfs_context *

ctx

)

Uninitialize a cvmfs remote repository and release all resources for it. Works with both cvmfs_attach_repo() and cvmfs_attach_repo_v2().

Definition at line 514 of file libcvmfs.cc.

Referenced by libcvmfs_finalize().

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void cvmfs_enable_threaded

(

cvmfs_context *

ctx

)

Definition at line 483 of file libcvmfs.cc.

Referenced by libcvmfs_initialize().

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void cvmfs_fini

(

)

Shut down the CVMFS library and release all resources. The cvmfs_option_map object passed to cvmfs_init_v2 must be deleted afterwards by a call to cvmfs_options_fini().

Definition at line 531 of file libcvmfs.cc.

Referenced by libcvmfs_finalize().

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uint64_t cvmfs_get_revision

(

cvmfs_context *

ctx

)

Return the root file catalog revision

Definition at line 575 of file libcvmfs.cc.

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int cvmfs_init

(

char const *

options

)

Initialize global CVMFS library structures. Legacy. Use cvmfs_init_v2(). Note: this must be called before any of the following functions.

Parameters

[in]

options,option1,option2,...

Returns

0 on success

Definition at line 433 of file libcvmfs_legacy.cc.

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cvmfs_errors cvmfs_init_v2

(

cvmfs_option_map *

opts

)

Initializes the global cvmfs state based on a cvmfs_options_map. The cvmfs_fini() function works for both cvmfs_init() and cvmfs_init_v2()

void cvmfs_list_free

(

char **

buf

)

Free the items contained in list and then the list.

Parameters

[in]

buf,pointer

to the list that was allocated.

Definition at line 469 of file libcvmfs.cc.

Referenced by shrinkwrap::Sync().

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int cvmfs_list_nc	(	cvmfs_context *	ctx,
		const char *	path,
		char ***	buf,
		size_t *	buflen
	)

Get list of nested catalog at path. The list contents includes the empty string for the base and each nested catalog needed to reach this location. It also contains the list of nested catalogs reachable directly from the nested catalog serving this location. If this is a transition point, the nested catalog at this location is used.

On return, the array will contain a NULL-terminated list of strings. The caller must free the strings and the array containing them. The array (*buf) may be NULL when this function is called.

Parameters

[in]	path,path	of nested catalog (e.g. /dir, not /cvmfs/repo/dir)
[out]	buf,pointer	to dynamically allocated NULL-terminated array of strings
[in]	buflen,pointer	to variable containing size of array

Returns

0 on success, -1 on failure (sets errno)

Definition at line 446 of file libcvmfs.cc.

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int cvmfs_listdir	(	cvmfs_context *	ctx,
		const char *	path,
		char ***	buf,
		size_t *	buflen
	)

Get list of directory contents. The directory contents includes "." and "..".

On return, the array will contain a NULL-terminated list of strings. The caller must free the strings and the array containing them. The array (*buf) may be NULL when this function is called.

Parameters

[in]	path,path	of directory (e.g. /dir, not /cvmfs/repo/dir)
[out]	buf,pointer	to dynamically allocated NULL-terminated array of strings
[in]	buflen,pointer	to variable containing size of array

Returns

0 on success, -1 on failure (sets errno)

Definition at line 353 of file libcvmfs.cc.

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int cvmfs_listdir_contents	(	cvmfs_context *	ctx,
		const char *	path,
		char ***	buf,
		size_t *	listlen,
		size_t *	buflen
	)

Get list of directory contents. The list does not include "." or "..".

On return, the array will contain a NULL-terminated list of strings. The caller must free the strings and the array containing them. The array (*buf) may be NULL when this function is called.

Parameters

[in]	path,path	of directory (e.g. /dir, not /cvmfs/repo/dir)
[out]	buf,pointer	to dynamically allocated NULL-terminated array of strings
[in]	buflen,pointer	to variable containing size of array

Returns

0 on success, -1 on failure (sets errno)

Definition at line 376 of file libcvmfs.cc.

Referenced by libcvmfs_list_dir().

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int cvmfs_listdir_stat	(	cvmfs_context *	ctx,
		const char *	path,
		struct cvmfs_stat_t **	buf,
		size_t *	listlen,
		size_t *	buflen
	)

Get list of directory contents' stat info. The list does not include "." or "..".

On return,

Parameters

	buf	will contain list of cvmfs_stat_t objects. The caller must free the cvmfs_stat_t::name and the array containing cvmfs_stat_t objects (*buf). The array (*buf) may be NULL when this function is called.
[in]	path,path	of directory (e.g. /dir, not /cvmfs/repo/dir)
[out]	buf,pointer	to dynamically allocated array of cvmfs_stat_t
[in]	buflen,pointer	to variable containing size of
	buf
	in/out]	listlen, pointer to number of entries in
	buf.	Set
	listlen	to 0 before to fill
	buf	from index 0.

Returns

0 on success, -1 on failure (sets errno)

Definition at line 399 of file libcvmfs.cc.

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int cvmfs_lstat	(	cvmfs_context *	ctx,
		const char *	path,
		struct stat *	st
	)

Get information about a file. If the file is a symlink, return info about the link, not the file it points to.

Parameters

[in]	path,path	of file (e.g. /dir/file, not /cvmfs/repo/dir/file)
[out]	st,stat	buffer in which to write the result

Returns

0 on success, -1 on failure (sets errno)

Definition at line 313 of file libcvmfs.cc.

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void cvmfs_nc_attr_free

(

struct cvmfs_nc_attr *

nc_attr

)

Frees the cvmfs_nc_attr struct passed, including freeing the mountpoint and hash.

Parameters

[in]

nc_attr,pointer

the cvmfs_nc_attr to be destroyed

Definition at line 73 of file libcvmfs.cc.

Referenced by libcvmfs_list_dir().

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struct cvmfs_nc_attr* cvmfs_nc_attr_init

(

)

Creates an empty cvmfs_nc_attr struct and returns the pointer to the user.

Returns

pointer to newly created cvmfs_nc_attr struct

Definition at line 66 of file libcvmfs.cc.

Referenced by libcvmfs_list_dir().

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int cvmfs_open	(	cvmfs_context *	ctx,
		const char *	path
	)

Open a file in the cvmfs cache.

Parameters

[in]

path,path

to open (e.g. /dir/file, not /cvmfs/repo/dir/file)

Returns

read-only file descriptor, -1 on failure (sets errno)

Definition at line 227 of file libcvmfs.cc.

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cvmfs_option_map* cvmfs_options_clone

(

cvmfs_option_map *

opts

)

Creates a new option map based on an existing one. Should be used to add repository specific options passed to cvmfs_attach_repo_v2() based on the global options that were passed to cvmfs_init_v2().

Referenced by cvmfs_options_clone_legacy().

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cvmfs_option_map* cvmfs_options_clone_legacy	(	cvmfs_option_map *	opts,
		const char *	legacy_options
	)

Derives an option map based on the legacy option string that would be passed to the legacy function cvmfs_attach_repo(). Returns NULL if legacy_options is invalid. On success, the repository name is in the CVMFS_FQRN key in the options manager.

Referenced by cvmfs_attach_repo().

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char* cvmfs_options_dump

(

cvmfs_option_map *

opts

)

Prints the key-value pairs of cvmfs_option_map line-by-line. The resulting string needs to be freed by a call to cvmfs_options_free().

void cvmfs_options_fini

(

cvmfs_option_map *

opts

)

Frees the resources of a cvmfs_options_map, which was created either by a call to cvmfs_options_init() or by a call to cvmfs_options_clone().

Referenced by cvmfs_attach_repo().

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void cvmfs_options_free

(

char *

value

)

Frees a string returned from cvmfs_options_get() or cvmfs_options_dump().

Definition at line 32 of file libcvmfs_options.cc.

char* cvmfs_options_get	(	cvmfs_option_map *	opts,
		const char *	key
	)

Retrieves the value for a given key or NULL of the key does not exist. If the result is not NULL, it must be freed by a call to cvmfs_options_free().

Referenced by libcvmfs_initialize().

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cvmfs_option_map* cvmfs_options_init

(

)

An option map must be created an populated before calling cvmfs_init_v2().

Definition at line 55 of file libcvmfs_options.cc.

Referenced by cvmfs_attach_repo(), and cvmfs_options_init_legacy().

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cvmfs_option_map* cvmfs_options_init_legacy

(

const char *

legacy_options

)

Creates a new option map based on the legacy option string that would be passed to the legacy function cvmfs_init(). Returns NULL if legacy_options is invalid.

Definition at line 391 of file libcvmfs_legacy.cc.

Referenced by cvmfs_init().

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cvmfs_option_map* cvmfs_options_init_v2

(

int

taint_environ

)

Like cvmfs_options_init but let decide whether or not cvmfs options make it to the process environment. Relevant for resolving symbolic links.

Definition at line 60 of file libcvmfs_options.cc.

Referenced by cvmfs_options_init(), and libcvmfs_initialize().

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int cvmfs_options_parse	(	cvmfs_option_map *	opts,
		const char *	path
	)

Sets options from a file with linewise KEY=VALUE pairs. Returns 0 on success and -1 otherwise.

Referenced by libcvmfs_initialize().

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void cvmfs_options_parse_default	(	cvmfs_option_map *	opts,
		const char *	fqrn
	)

Sets default options from repository defaults in /etc/cvmfs. Returns 0 on success and -1 otherwise.

void cvmfs_options_set	(	cvmfs_option_map *	opts,
		const char *	key,
		const char *	value
	)

Fills a cvmfs_options_map. Use the same key/value pairs as the configuration parameters used by the fuse module in /etc/cvmfs/...

Referenced by libcvmfs_initialize().

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void cvmfs_options_unset	(	cvmfs_option_map *	opts,
		const char *	key
	)

Removes a key-value pair from a cvmfs_options_map. The key may or may not exist before the call.

ssize_t cvmfs_pread	(	cvmfs_context *	ctx,
		int	fd,
		void *	buf,
		size_t	size,
		off_t	off
	)

Read from a file descriptor returned by cvmfs_open(). File descriptors that have bit 30 set indicate chunked files.

Definition at line 245 of file libcvmfs.cc.

Referenced by libcvmfs_do_fread().

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int cvmfs_readlink	(	cvmfs_context *	ctx,
		const char *	path,
		char *	buf,
		size_t	size
	)

Read a symlink from the catalog. Environment variables in the symlink that are of the form are expanded according to the process' environment variables. If the provided buffer is not long enough for the null-terminated value of the symlink, -1 is returned and errno is set to ERANGE.

Parameters

[in]	path,path	of symlink (e.g. /dir/file, not /cvmfs/repo/dir/file)
[out]	buf,buffer	in which to write the null-terminated value of the symlink
[in]	size,size	of buffer

Returns

0 on success, -1 on failure (sets errno)

Definition at line 272 of file libcvmfs.cc.

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int cvmfs_remount

(

cvmfs_context *

ctx

)

Load a new catalog if there is one.

Returns

0 on success (up to date or new catalog loaded), -1 otherwise

Definition at line 569 of file libcvmfs.cc.

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void cvmfs_set_log_fn

(

void(*)(const char *msg)

log_fn

)

Send syslog and debug messages to log_fn instead. This may (and probably should) be called before any other routine. Setting this to NULL restores the default logging behavior.

Definition at line 550 of file libcvmfs.cc.

Referenced by libcvmfs_initialize().

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int cvmfs_stat	(	cvmfs_context *	ctx,
		const char *	path,
		struct stat *	st
	)

Get information about a file. If the file is a symlink, return info about the file it points to, not the symlink itself.

Parameters

[in]	path,path	of file (e.g. /dir/file, not /cvmfs/repo/dir/file)
[out]	st,stat	buffer in which to write the result

Returns

0 on success, -1 on failure (sets errno)

Definition at line 295 of file libcvmfs.cc.

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int cvmfs_stat_attr	(	cvmfs_context *	ctx,
		const char *	path,
		struct cvmfs_attr *	attr
	)

Get the extended CVMFS information about a file. If the file is a symlink, return info about the link, not the file it points to.

Parameters

[in]	path,path	of file (e.g. /dir/file, not /cvmfs/repo/dir/file)
[out]	attr,cvmfs_attr	struct in which to write the result

Returns

0 on success, -1 on failure

Definition at line 331 of file libcvmfs.cc.

Referenced by libcvmfs_get_stat(), and libcvmfs_has_file().

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int cvmfs_stat_nc	(	cvmfs_context *	ctx,
		const char *	path,
		struct cvmfs_nc_attr *	ncst
	)

Get the CVMFS information about a nested catalog. The information returned pertains to the catalog that serves this path, if this path is a transition point, then the information is about this transition point.

Parameters

[in]	path,path	of nested catalog (e.g. /dir, not /cvmfs/repo/dir)
[out]	ncst,cvmfs_nc_attr	buffer in which to write the result

Returns

0 on success, -1 on failure

Definition at line 424 of file libcvmfs.cc.

Referenced by libcvmfs_list_dir().

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char* cvmfs_statistics_format

(

cvmfs_context *

ctx

)

Get runtime statistics formatted as a string. The raw counters are also available via cvmfs_talk when using the FUSE module. cvmfs_statistics() allocates a new string, which the caller must free. Returns NULL if insufficient memory was available.

Definition at line 561 of file libcvmfs.cc.

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