loader Namespace Reference

Namespaces
	loader_talk

Classes
struct	CvmfsOptions
struct	SavedState
struct	LoadEvent
struct	LoaderExports
struct	CvmfsExports

Typedefs
typedef std::vector< SavedState * >	StateList
typedef std::vector< LoadEvent * >	EventList

Enumerations
enum	{   KEY_HELP, KEY_VERSION, KEY_FOREGROUND, KEY_SINGLETHREAD,   KEY_FUSE_DEBUG, KEY_CVMFS_DEBUG, KEY_OPTIONS_PARSE }
enum	Failures {   kFailOk = 0, kFailUnknown, kFailOptions, kFailPermission,   kFailMount, kFailLoaderTalk, kFailFuseLoop, kFailLoadLibrary,   kFailIncompatibleVersions, kFailCacheDir, kFailPeers, kFailNfsMaps,   kFailQuota, kFailMonitor, kFailTalk, kFailSignature,   kFailCatalog, kFailMaintenanceMode, kFailSaveState, kFailRestoreState,   kFailOtherMount, kFailDoubleMount, kFailHistory, kFailWpad,   kFailLockWorkspace, kFailRevisionBlacklisted, kFailNumEntries }
enum	StateId {   kStateUnknown = 0, kStateOpenDirs, kStateOpenChunks, kStateGlueBuffer,   kStateInodeGeneration, kStateOpenFilesCounter, kStateGlueBufferV2, kStateGlueBufferV3,   kStateGlueBufferV4, kStateOpenChunksV2, kStateOpenChunksV3, kStateOpenChunksV4,   kStateOpenFiles, kStateDentryTracker, kStatePageCacheTracker, kStateFuse }
enum	ReloadMode { kReloadNoDebug = 0, kReloadDebug, kReloadLegacy }

Functions
static void	Usage (const string &exename)
bool	CheckPremounted (const std::string &mountpoint)
static void	stub_init (void *userdata, struct fuse_conn_info *conn)
static void	stub_destroy (void *userdata)
static void	stub_lookup (fuse_req_t req, fuse_ino_t parent, const char *name)
static void	stub_getattr (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi)
static void	stub_readlink (fuse_req_t req, fuse_ino_t ino)
static void	stub_opendir (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi)
static void	stub_releasedir (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi)
static void	stub_readdir (fuse_req_t req, fuse_ino_t ino, size_t size, off_t off, struct fuse_file_info *fi)
static void	stub_open (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi)
static void	stub_read (fuse_req_t req, fuse_ino_t ino, size_t size, off_t off, struct fuse_file_info *fi)
static void	stub_release (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi)
static void	stub_statfs (fuse_req_t req, fuse_ino_t ino)
static void	stub_getxattr (fuse_req_t req, fuse_ino_t ino, const char *name, size_t size)
static void	stub_listxattr (fuse_req_t req, fuse_ino_t ino, size_t size)
static void	stub_forget (fuse_req_t req, fuse_ino_t ino, uint64_t nlookup)
static int	ParseFuseOptions (void *data __attribute__((unused)), const char *arg, int key, struct fuse_args *outargs)
static fuse_args *	ParseCmdLine (int argc, char *argv[])
static void	SetFuseOperations (struct fuse_lowlevel_ops *loader_operations)
static void *	OpenLibrary (const string &path)
static void	CloseLibrary ()
static CvmfsExports *	LoadLibrary (const bool debug_mode, LoaderExports *loader_exports)
Failures	Reload (const int fd_progress, const bool stop_and_go, const ReloadMode reload_mode)
const char *	Code2Ascii (const Failures error)

Variables
static struct fuse_opt	cvmfs_array_opts []
string *	repository_name_ = NULL
string *	mount_point_ = NULL
string *	config_files_ = NULL
string *	socket_path_ = NULL
string *	usyslog_path_ = NULL
int	fuse3_max_threads_ = 0
int	fuse3_idle_threads_ = 0
uid_t	uid_ = 0
gid_t	gid_ = 0
bool	single_threaded_ = false
bool	foreground_ = false
bool	debug_mode_ = false
bool	system_mount_ = false
bool	grab_mountpoint_ = false
bool	parse_options_only_ = false
bool	suid_mode_ = false
bool	premounted_ = false
bool	disable_watchdog_ = false
bool	simple_options_parsing_ = false
void *	library_handle_
Fence *	fence_reload_
CvmfsExports *	cvmfs_exports_
LoaderExports *	loader_exports_

Detailed Description

This file is part of the CernVM File System.

Typedef Documentation

typedef std::vector<LoadEvent *> loader::EventList

Definition at line 141 of file loader.h.

typedef std::vector<SavedState *> loader::StateList

Definition at line 126 of file loader.h.

Enumeration Type Documentation

anonymous enum

Enumerator
KEY_HELP
KEY_VERSION
KEY_FOREGROUND
KEY_SINGLETHREAD
KEY_FUSE_DEBUG
KEY_CVMFS_DEBUG
KEY_OPTIONS_PARSE

Definition at line 79 of file loader.cc.

enum loader::Failures

Possible failures when booting/mounting cvmfs. Remember to add a constant to libcvmfs.h and libcvmfs_legacy.cc when a constant to this enum is added.

Enumerator
kFailOk
kFailUnknown
kFailOptions
kFailPermission
kFailMount
kFailLoaderTalk
kFailFuseLoop
kFailLoadLibrary
kFailIncompatibleVersions
kFailCacheDir
kFailPeers
kFailNfsMaps
kFailQuota
kFailMonitor
kFailTalk
kFailSignature
kFailCatalog
kFailMaintenanceMode
kFailSaveState
kFailRestoreState
kFailOtherMount
kFailDoubleMount
kFailHistory
kFailWpad
kFailLockWorkspace
kFailRevisionBlacklisted
kFailNumEntries

Definition at line 27 of file loader.h.

enum loader::ReloadMode

Enumerator
kReloadNoDebug
kReloadDebug
kReloadLegacy

Definition at line 246 of file loader.h.

enum loader::StateId

Enumerator
kStateUnknown
kStateOpenDirs
kStateOpenChunks
kStateGlueBuffer
kStateInodeGeneration
kStateOpenFilesCounter
kStateGlueBufferV2
kStateGlueBufferV3
kStateGlueBufferV4
kStateOpenChunksV2
kStateOpenChunksV3
kStateOpenChunksV4
kStateOpenFiles
kStateDentryTracker
kStatePageCacheTracker
kStateFuse

Definition at line 91 of file loader.h.

Function Documentation

bool loader::CheckPremounted

(

const std::string &

mountpoint

)

For an premounted mountpoint, the argument is the file descriptor to /dev/fuse provided in the form /dev/fd/d

Definition at line 188 of file loader.cc.

Referenced by ParseFuseOptions().

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static void loader::CloseLibrary ( )

static

Definition at line 469 of file loader.cc.

Referenced by FuseMain(), and Reload().

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const char* loader::Code2Ascii ( const Failures  error )

inline

Definition at line 58 of file loader.h.

static CvmfsExports* loader::LoadLibrary ( const bool  debug_mode, LoaderExports *  loader_exports  )

static

Definition at line 483 of file loader.cc.

Referenced by FuseMain(), and Reload().

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static void* loader::OpenLibrary ( const string &  path )

static

Definition at line 464 of file loader.cc.

Referenced by LoadLibrary().

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static fuse_args* loader::ParseCmdLine ( int  argc, char *  argv[]  )

static

Definition at line 405 of file loader.cc.

Referenced by FuseMain().

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static int loader::ParseFuseOptions ( void *data   __attribute__(unused), const char *  arg, int  key, struct fuse_args *  outargs  )

static

The callback used when fuse is parsing all the options We separate CVMFS options from FUSE options here.

Returns

On success zero, else non-zero

Definition at line 346 of file loader.cc.

Referenced by ParseCmdLine().

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Failures loader::Reload	(	const int	fd_progress,
		const bool	stop_and_go,
		const ReloadMode	reload_mode
	)

Definition at line 546 of file loader.cc.

Referenced by loader::loader_talk::MainTalk().

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static void loader::SetFuseOperations ( struct fuse_lowlevel_ops *  loader_operations )

static

Definition at line 442 of file loader.cc.

Referenced by FuseMain().

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static void loader::stub_destroy ( void *  userdata )

static

Definition at line 209 of file loader.cc.

Referenced by SetFuseOperations().

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static void loader::stub_forget ( fuse_req_t  req, fuse_ino_t  ino, uint64_t  nlookup  )

static

Definition at line 314 of file loader.cc.

Referenced by SetFuseOperations().

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static void loader::stub_getattr ( fuse_req_t  req, fuse_ino_t  ino, struct fuse_file_info *  fi  )

static

Definition at line 223 of file loader.cc.

Referenced by SetFuseOperations().

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static void loader::stub_getxattr ( fuse_req_t  req, fuse_ino_t  ino, const char *  name, size_t  size  )

static

Definition at line 295 of file loader.cc.

Referenced by SetFuseOperations().

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static void loader::stub_init ( void *  userdata, struct fuse_conn_info *  conn  )

static

Definition at line 203 of file loader.cc.

Referenced by SetFuseOperations().

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static void loader::stub_listxattr ( fuse_req_t  req, fuse_ino_t  ino, size_t  size  )

static

Definition at line 308 of file loader.cc.

Referenced by SetFuseOperations().

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static void loader::stub_lookup ( fuse_req_t  req, fuse_ino_t  parent, const char *  name  )

static

Definition at line 215 of file loader.cc.

Referenced by SetFuseOperations().

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static void loader::stub_open ( fuse_req_t  req, fuse_ino_t  ino, struct fuse_file_info *  fi  )

static

Definition at line 261 of file loader.cc.

Referenced by SetFuseOperations().

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static void loader::stub_opendir ( fuse_req_t  req, fuse_ino_t  ino, struct fuse_file_info *  fi  )

static

Definition at line 237 of file loader.cc.

Referenced by SetFuseOperations().

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static void loader::stub_read ( fuse_req_t  req, fuse_ino_t  ino, size_t  size, off_t  off, struct fuse_file_info *  fi  )

static

Definition at line 269 of file loader.cc.

Referenced by SetFuseOperations().

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static void loader::stub_readdir ( fuse_req_t  req, fuse_ino_t  ino, size_t  size, off_t  off, struct fuse_file_info *  fi  )

static

Definition at line 253 of file loader.cc.

Referenced by SetFuseOperations().

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static void loader::stub_readlink ( fuse_req_t  req, fuse_ino_t  ino  )

static

Definition at line 231 of file loader.cc.

Referenced by SetFuseOperations().

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static void loader::stub_release ( fuse_req_t  req, fuse_ino_t  ino, struct fuse_file_info *  fi  )

static

Definition at line 277 of file loader.cc.

Referenced by SetFuseOperations().

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static void loader::stub_releasedir ( fuse_req_t  req, fuse_ino_t  ino, struct fuse_file_info *  fi  )

static

Definition at line 245 of file loader.cc.

Referenced by SetFuseOperations().

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static void loader::stub_statfs ( fuse_req_t  req, fuse_ino_t  ino  )

static

Definition at line 285 of file loader.cc.

Referenced by SetFuseOperations().

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static void loader::Usage ( const string &  exename )

static

Definition at line 150 of file loader.cc.

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Variable Documentation

string* loader::config_files_ = NULL

Definition at line 127 of file loader.cc.

Referenced by FuseMain(), and ParseCmdLine().

struct fuse_opt loader::cvmfs_array_opts[]

static

Definition at line 90 of file loader.cc.

Referenced by ParseCmdLine(), and ParseFuseOptions().

CvmfsExports* loader::cvmfs_exports_

Definition at line 146 of file loader.cc.

Referenced by FuseMain(), Reload(), stub_destroy(), stub_forget(), stub_getattr(), stub_getxattr(), stub_init(), stub_listxattr(), stub_lookup(), stub_open(), stub_opendir(), stub_read(), stub_readdir(), stub_readlink(), stub_release(), stub_releasedir(), and stub_statfs().

bool loader::debug_mode_ = false

Definition at line 136 of file loader.cc.

Referenced by FuseMain(), ParseFuseOptions(), and Reload().

bool loader::disable_watchdog_ = false

Definition at line 142 of file loader.cc.

Referenced by FuseMain(), and ParseCmdLine().

Fence* loader::fence_reload_

Definition at line 145 of file loader.cc.

Referenced by FuseMain(), Reload(), stub_destroy(), stub_forget(), stub_getattr(), stub_getxattr(), stub_init(), stub_listxattr(), stub_lookup(), stub_open(), stub_opendir(), stub_read(), stub_readdir(), stub_readlink(), stub_release(), stub_releasedir(), and stub_statfs().

bool loader::foreground_ = false

Definition at line 135 of file loader.cc.

Referenced by FuseMain(), ParseCmdLine(), and ParseFuseOptions().

int loader::fuse3_idle_threads_ = 0

Definition at line 131 of file loader.cc.

Referenced by FuseMain().

int loader::fuse3_max_threads_ = 0

Definition at line 130 of file loader.cc.

Referenced by FuseMain().

gid_t loader::gid_ = 0

Definition at line 133 of file loader.cc.

Referenced by FuseMain(), and ParseCmdLine().

bool loader::grab_mountpoint_ = false

Definition at line 138 of file loader.cc.

Referenced by FuseMain(), and ParseCmdLine().

void* loader::library_handle_

Definition at line 144 of file loader.cc.

Referenced by CloseLibrary(), and LoadLibrary().

LoaderExports* loader::loader_exports_

Definition at line 147 of file loader.cc.

string* loader::mount_point_ = NULL

Definition at line 126 of file loader.cc.

bool loader::parse_options_only_ = false

Definition at line 139 of file loader.cc.

Referenced by FuseMain(), and ParseFuseOptions().

bool loader::premounted_ = false

Definition at line 141 of file loader.cc.

Referenced by FuseMain(), and ParseFuseOptions().

string* loader::repository_name_ = NULL

Definition at line 125 of file loader.cc.

Referenced by FuseMain(), ParseCmdLine(), and ParseFuseOptions().

bool loader::simple_options_parsing_ = false

Definition at line 143 of file loader.cc.

Referenced by FuseMain(), and ParseCmdLine().

bool loader::single_threaded_ = false

Definition at line 134 of file loader.cc.

Referenced by FuseMain(), and ParseFuseOptions().

string* loader::socket_path_ = NULL

Definition at line 128 of file loader.cc.

Referenced by loader::loader_talk::Fini(), FuseMain(), loader::loader_talk::Init(), and Reload().

bool loader::suid_mode_ = false

Definition at line 140 of file loader.cc.

Referenced by FuseMain(), and ParseCmdLine().

bool loader::system_mount_ = false

Definition at line 137 of file loader.cc.

Referenced by FuseMain(), and ParseCmdLine().

uid_t loader::uid_ = 0

Definition at line 132 of file loader.cc.

Referenced by FuseMain(), and ParseCmdLine().

std::string * loader::usyslog_path_ = NULL

Definition at line 129 of file loader.cc.

Referenced by FuseMain(), and loader::loader_talk::MainTalk().