35#if ! defined (__GNUNET_UTIL_LIB_H_INSIDE__)
36#error "Only <gnunet_util_lib.h> can be included directly."
39#ifndef GNUNET_DISK_LIB_H
40#define GNUNET_DISK_LIB_H
330 int include_symbolic_links,
331 int single_file_mode);
536 int require_uid_match,
537 int require_gid_match);
static struct GNUNET_ARM_MonitorHandle * m
Monitor connection with ARM.
static struct GNUNET_ARM_Handle * h
Connection with ARM.
static char * dir
Set to the directory where runtime files are stored.
static int end
Set if we are to shutdown all services (including ARM).
static const char * dir_name
Top-level directory we monitor to auto-publish.
static char * cfg_filename
Name of the configuration file.
static int result
Global testing status.
static struct GNUNET_OS_Process * p
Helper process we started.
static struct GNUNET_SCHEDULER_Task * t
Main task.
static enum @44 mode
Should we do a PUT (mode = 0) or GET (mode = 1);.
API to schedule computations using continuation passing style.
const struct GNUNET_DISK_FileHandle * GNUNET_DISK_pipe_handle(const struct GNUNET_DISK_PipeHandle *p, enum GNUNET_DISK_PipeEnd n)
Get the handle to a particular pipe end.
struct GNUNET_DISK_FileHandle * GNUNET_DISK_file_open(const char *fn, enum GNUNET_DISK_OpenFlags flags, enum GNUNET_DISK_AccessPermissions perm)
Open a file.
void GNUNET_DISK_filename_canonicalize(char *fn)
Removes special characters as ':' from a filename.
int GNUNET_DISK_glob(const char *glob_pattern, GNUNET_FileNameCallback callback, void *callback_cls)
Find all files matching a glob pattern.
enum GNUNET_GenericReturnValue GNUNET_DISK_file_change_owner(const char *filename, const char *user)
Change owner of a file.
char * GNUNET_DISK_mktemp(const char *t)
Create an (empty) temporary file on disk.
enum GNUNET_GenericReturnValue GNUNET_DISK_file_test(const char *fil)
Check that fil corresponds to a filename (of a file that exists and that is not a directory).
enum GNUNET_GenericReturnValue GNUNET_DISK_file_get_identifiers(const char *filename, uint64_t *dev, uint64_t *ino)
Obtain some unique identifiers for the given file that can be used to identify it in the local system...
void GNUNET_DISK_fix_permissions(const char *fn, int require_uid_match, int require_gid_match)
Update POSIX permissions mask of a file on disk.
struct GNUNET_DISK_FileHandle * GNUNET_DISK_pipe_detach_end(struct GNUNET_DISK_PipeHandle *p, enum GNUNET_DISK_PipeEnd end)
Detaches one of the ends from the pipe.
struct GNUNET_DISK_PipeHandle * GNUNET_DISK_pipe_from_fd(enum GNUNET_DISK_PipeFlags pf, int fd[2])
Creates a pipe object from a couple of file descriptors.
GNUNET_DISK_OpenFlags
Specifies how a file should be opened.
ssize_t GNUNET_DISK_file_write(const struct GNUNET_DISK_FileHandle *h, const void *buffer, size_t n)
Write a buffer to a file.
ssize_t GNUNET_DISK_file_read_non_blocking(const struct GNUNET_DISK_FileHandle *h, void *result, size_t len)
Read the contents of a binary file into a buffer.
void GNUNET_DISK_purge_cfg_dir(const char *cfg_filename, const char *option)
Remove the directory given under option in section [PATHS] in configuration under cfg_filename.
GNUNET_DISK_PipeFlags
Flags for GNUNET_DISK_pipe().
off_t GNUNET_DISK_file_seek(const struct GNUNET_DISK_FileHandle *h, off_t offset, enum GNUNET_DISK_Seek whence)
Move the read/write pointer in a file.
struct GNUNET_DISK_PipeHandle * GNUNET_DISK_pipe(enum GNUNET_DISK_PipeFlags pf)
Creates an interprocess channel.
enum GNUNET_GenericReturnValue GNUNET_DISK_file_test_read(const char *fil)
Check that fil corresponds to a filename and the file has read permissions.
enum GNUNET_GenericReturnValue GNUNET_DISK_file_size(const char *filename, uint64_t *size, int include_symbolic_links, int single_file_mode)
Get the size of the file (or directory) of the given file (in bytes).
GNUNET_DISK_AccessPermissions
File access permissions, UNIX-style.
enum GNUNET_GenericReturnValue GNUNET_DISK_pipe_close(struct GNUNET_DISK_PipeHandle *p)
Closes an interprocess channel.
enum GNUNET_GenericReturnValue GNUNET_DISK_fn_write(const char *fn, const void *buf, size_t buf_size, enum GNUNET_DISK_AccessPermissions mode)
Write a buffer to a file atomically.
char * GNUNET_DISK_mkdtemp(const char *t)
Create an (empty) temporary directory on disk.
enum GNUNET_GenericReturnValue GNUNET_DISK_file_copy(const char *src, const char *dst)
Copy a file.
enum GNUNET_GenericReturnValue GNUNET_DISK_directory_remove(const char *filename)
Remove all files in a directory (rm -rf).
enum GNUNET_GenericReturnValue GNUNET_DISK_file_sync(const struct GNUNET_DISK_FileHandle *h)
Write file changes to disk.
GNUNET_DISK_Seek
Constants for specifying how to seek.
enum GNUNET_GenericReturnValue GNUNET_DISK_handle_invalid(const struct GNUNET_DISK_FileHandle *h)
Checks whether a handle is invalid.
enum GNUNET_GenericReturnValue GNUNET_DISK_directory_test(const char *fil, int is_readable)
Test if fil is a directory and listable.
enum GNUNET_GenericReturnValue GNUNET_DISK_file_close(struct GNUNET_DISK_FileHandle *h)
Close an open file.
GNUNET_FILE_Type
Type of a handle.
struct GNUNET_DISK_FileHandle * GNUNET_DISK_get_handle_from_native(FILE *fd)
Get a handle from a native FD.
void GNUNET_DISK_file_backup(const char *fil)
Move a file out of the way (create a backup) by renaming it to "orig.NUM~" where NUM is the smallest ...
enum GNUNET_GenericReturnValue GNUNET_DISK_directory_create_for_file(const char *filename)
Create the directory structure for storing a file.
void * GNUNET_DISK_file_map(const struct GNUNET_DISK_FileHandle *h, struct GNUNET_DISK_MapHandle **m, enum GNUNET_DISK_MapType access, size_t len)
Map a file into memory.
struct GNUNET_DISK_FileHandle * GNUNET_DISK_get_handle_from_int_fd(int fno)
Get a handle from a native integer FD.
ssize_t GNUNET_DISK_file_read(const struct GNUNET_DISK_FileHandle *h, void *result, size_t len)
Read the contents of a binary file into a buffer.
enum GNUNET_GenericReturnValue GNUNET_DISK_file_handle_size(struct GNUNET_DISK_FileHandle *fh, off_t *size)
Get the size of an open file.
enum GNUNET_GenericReturnValue GNUNET_DISK_pipe_close_end(struct GNUNET_DISK_PipeHandle *p, enum GNUNET_DISK_PipeEnd end)
Closes one half of an interprocess channel.
ssize_t GNUNET_DISK_file_write_blocking(const struct GNUNET_DISK_FileHandle *h, const void *buffer, size_t n)
Write a buffer to a file, blocking, if necessary.
enum GNUNET_GenericReturnValue GNUNET_DISK_file_unmap(struct GNUNET_DISK_MapHandle *h)
Unmap a file.
enum GNUNET_GenericReturnValue GNUNET_DISK_directory_create(const char *dir)
Implementation of "mkdir -p".
GNUNET_DISK_PipeEnd
Enumeration identifying the two ends of a pipe.
ssize_t GNUNET_DISK_fn_read(const char *fn, void *result, size_t len)
Read the contents of a binary file into a buffer.
GNUNET_DISK_MapType
Specifies what type of memory map is desired.
int GNUNET_DISK_directory_scan(const char *dir_name, GNUNET_FileNameCallback callback, void *callback_cls)
Scan a directory for files.
@ GNUNET_DISK_OPEN_READ
Open the file for reading.
@ GNUNET_DISK_OPEN_FAILIFEXISTS
Fail if file already exists.
@ GNUNET_DISK_OPEN_WRITE
Open the file for writing.
@ GNUNET_DISK_OPEN_TRUNCATE
Truncate file if it exists.
@ GNUNET_DISK_OPEN_CREATE
Create file if it doesn't exist.
@ GNUNET_DISK_OPEN_APPEND
Append to the file.
@ GNUNET_DISK_OPEN_READWRITE
Open the file for both reading and writing.
@ GNUNET_DISK_PF_NONE
No special options, use non-blocking read/write operations.
@ GNUNET_DISK_PF_BLOCKING_WRITE
Configure write end to block when writing if set.
@ GNUNET_DISK_PF_BLOCKING_RW
Configure both pipe ends for blocking operations if set.
@ GNUNET_DISK_PF_BLOCKING_READ
Configure read end to block when reading if set.
@ GNUNET_DISK_PERM_OTHER_EXEC
Everybody can execute.
@ GNUNET_DISK_PERM_USER_EXEC
Owner can execute.
@ GNUNET_DISK_PERM_USER_READ
Owner can read.
@ GNUNET_DISK_PERM_NONE
Nobody is allowed to do anything to the file.
@ GNUNET_DISK_PERM_GROUP_READ
Group can read.
@ GNUNET_DISK_PERM_GROUP_EXEC
Group can execute.
@ GNUNET_DISK_PERM_GROUP_WRITE
Group can write.
@ GNUNET_DISK_PERM_USER_WRITE
Owner can write.
@ GNUNET_DISK_PERM_OTHER_READ
Everybody can read.
@ GNUNET_DISK_PERM_OTHER_WRITE
Everybody can write.
@ GNUNET_DISK_SEEK_SET
Seek an absolute position (from the start of the file).
@ GNUNET_DISK_SEEK_CUR
Seek a relative position (from the current offset).
@ GNUNET_DISK_SEEK_END
Seek an absolute position from the end of the file.
@ GNUNET_DISK_HANLDE_TYPE_FILE
Handle represents a file.
@ GNUNET_DISK_HANLDE_TYPE_PIPE
Handle represents a pipe.
@ GNUNET_DISK_HANLDE_TYPE_EVENT
Handle represents an event.
@ GNUNET_DISK_PIPE_END_WRITE
The writing-end of a pipe.
@ GNUNET_DISK_PIPE_END_READ
The reading-end of a pipe.
@ GNUNET_DISK_MAP_TYPE_WRITE
Write-able memory map.
@ GNUNET_DISK_MAP_TYPE_READ
Read-only memory map.
@ GNUNET_DISK_MAP_TYPE_READWRITE
Read-write memory map.
enum GNUNET_GenericReturnValue(* GNUNET_FileNameCallback)(void *cls, const char *filename)
Function called with a filename.
GNUNET_GenericReturnValue
Named constants for return values.
static unsigned int size
Size of the "table".
Handle used to access files (and pipes).
int fd
File handle on Unix-like systems.
Handle for a memory-mapping operation.
size_t len
Number of bytes mapped.
Handle used to manage a pipe.
struct GNUNET_DISK_FileHandle * fd[2]
File descriptors for the pipe.