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Disk ARchive
2.5.9
Full featured and portable backup and archiving tool
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filesystem local files More...
#include <fichier_local.hpp>
Inherits libdar::fichier_global.
Public Member Functions | |
fichier_local (user_interaction &dialog, const std::string &chemin, gf_mode m, U_I permission, bool fail_if_exists, bool erase, bool furtive_mode) | |
fichier_local (const std::string &chemin, bool furtive_mode=false) | |
fichier_local (const fichier_local &ref) | |
const fichier_local & | operator= (const fichier_local &ref) |
virtual void | change_ownership (const std::string &user, const std::string &group) |
set the ownership of the file | |
virtual void | change_permission (U_I perm) |
change the permission of the file | |
infinint | get_size () const |
return the size of the file | |
void | fadvise (advise adv) const |
set posix_fadvise for the whole file | |
bool | skippable (skippability direction, const infinint &amount) |
bool | skip (const infinint &pos) |
bool | skip_to_eof () |
skip to the end of file | |
bool | skip_relative (S_I x) |
skip relatively to the current position | |
infinint | get_position () const |
get the current read/write position | |
S_I | give_fd_and_terminate () |
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fichier_global (const user_interaction &dialog, gf_mode mode) | |
fichier_global (const fichier_global &ref) | |
virtual void | fadvise (advise adv) const =0 |
set posix_fadvise for the whole file | |
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generic_file (gf_mode m) | |
main constructor | |
generic_file (const generic_file &ref) | |
copy constructor | |
virtual | ~generic_file () throw (Ebug) |
virtual destructor, this let inherited destructor to be called even from a generic_file pointer to an inherited class | |
void | terminate () const |
destructor-like call, except that it is allowed to throw exceptions | |
const generic_file & | operator= (const generic_file &ref) |
assignment operator | |
gf_mode | get_mode () const |
retreive the openning mode for this object | |
virtual void | read_ahead (const infinint &amount) |
void | ignore_read_ahead (bool mode) |
U_I | read (char *a, U_I size) |
read data from the generic_file More... | |
void | write (const char *a, U_I size) |
write data to the generic_file More... | |
void | write (const std::string &arg) |
write a string to the generic_file More... | |
S_I | read_back (char &a) |
skip back one char, read on char and skip back one char | |
S_I | read_forward (char &a) |
read one char | |
virtual void | copy_to (generic_file &ref) |
copy all data from current position to the object in argument | |
virtual void | copy_to (generic_file &ref, const infinint &crc_size, crc *&value) |
copy all data from the current position to the object in argument and computes a CRC value of the transmitted data More... | |
U_32 | copy_to (generic_file &ref, U_32 size) |
small copy (up to 4GB) with CRC calculation | |
infinint | copy_to (generic_file &ref, infinint size) |
copy the given amount to the object in argument | |
bool | diff (generic_file &f, const infinint &me_read_ahead, const infinint &you_read_ahead, const infinint &crc_size, crc *&value) |
compares the contents with the object in argument More... | |
bool | diff (generic_file &f, const infinint &me_read_ahead, const infinint &you_read_ahead, const infinint &crc_size, crc *&value, infinint &err_offset) |
void | reset_crc (const infinint &width) |
reset CRC on read or writen data More... | |
bool | crc_status () const |
to known whether CRC calculation is activated or not | |
crc * | get_crc () |
get CRC of the transfered date since last reset More... | |
void | sync_write () |
write any pending data | |
void | flush_read () |
be ready to read at current position, reseting all pending data for reading, cached and in compression engine for example | |
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void * | operator new (size_t n_byte) |
void * | operator new (size_t n_byte, const std::nothrow_t ¬hrow_value) |
void * | operator new[] (size_t n_byte) |
void * | operator new[] (size_t n_byte, const std::nothrow_t ¬hrow_value) |
void * | operator new (size_t n_byte, memory_pool *p) |
void * | operator new[] (size_t n_byte, memory_pool *p) |
void | operator delete (void *ptr, memory_pool *p) |
this operator is called by the compiler if an exception is throw from the constructor of the allocated object | |
void | operator delete[] (void *ptr, memory_pool *p) |
this operator is called by the compiler if an exception is throw from the constructor of the allocated objects | |
void | operator delete (void *ptr) |
this is the usual delete operator, modified to handle allocated objects allocated on a memory pool or not | |
void | operator delete[] (void *ptr) |
this is the usual delete[] operator, modified to handle allocated objects allocated on a memory pool or not | |
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thread_cancellation () | |
the constructor | |
virtual | ~thread_cancellation () throw (Ebug) |
the destructor | |
void | check_self_cancellation () const |
Checkpoint test : whether the current libdar call must abort or not. More... | |
void | block_delayed_cancellation (bool mode) |
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mem_ui (const user_interaction &dialog) | |
constructor More... | |
mem_ui (user_interaction *dialog) | |
mem_ui (const mem_ui &ref) | |
the copy constructor More... | |
virtual | ~mem_ui () throw (Ebug) |
destructor More... | |
const mem_ui & | operator= (const mem_ui &ref) |
assignement operator More... | |
Protected Member Functions | |
void | inherited_read_ahead (const infinint &amount) |
void | inherited_sync_write () |
write down any pending data More... | |
void | inherited_flush_read () |
void | inherited_terminate () |
destructor-like call, except that it is allowed to throw exceptions More... | |
U_I | fichier_global_inherited_write (const char *a, U_I size) |
bool | fichier_global_inherited_read (char *a, U_I size, U_I &read, std::string &message) |
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void | set_mode (gf_mode x) |
bool | is_terminated () const |
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memory_pool * | get_pool () const |
template<class T > | |
void | meta_new (T *&ptr, size_t num) |
template<class T > | |
void | meta_delete (T *ptr) |
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user_interaction & | get_ui () const |
get access to the user_interaction cloned object More... | |
Additional Inherited Members | |
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enum | advise { advise_normal, advise_sequential, advise_random, advise_noreuse, advise_willneed, advise_dontneed } |
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enum | skippability { skip_backward, skip_forward } |
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static U_I | count () |
method for debugging/control purposes | |
filesystem local files
Definition at line 59 of file fichier_local.hpp.
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protectedvirtual |
replaces generic_file::inherited_read() method, to allow the return of partial reading
a partial reading is signaled by the inherited class by returning false
[in] | a | points to the area where to store read data |
[in] | size | is the available place to store data |
[out] | read | is the total amount of data read so far |
[out] | message | is the request to send to the user upon partial reading |
Implements libdar::fichier_global.
Referenced by inherited_terminate().
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protectedvirtual |
replaces generic_file::inherited_write() method, to allow the return of partial writings
a partial writing is allowed when no space is available for writing this let global_ficher interact with the user asking whether it can make place or if (s)he wants to abord
[in] | a | points to the start of the area of data to write |
[in] | size | is the size in byte of the data to write |
Implements libdar::fichier_global.
Referenced by inherited_terminate().
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inline |
provide the low level filedescriptor to the call and terminate()
Definition at line 104 of file fichier_local.hpp.
References libdar::generic_file::terminate().
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inlineprotectedvirtual |
reset internal engine, flush caches in order to read the data at current position
Implements libdar::generic_file.
Definition at line 110 of file fichier_local.hpp.
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inlineprotectedvirtual |
tells the object that several calls to read() will follow to probably obtain at least the given amount of data
[in] | amount | is the maximum expected amount of data that is known to be read |
Implements libdar::generic_file.
Definition at line 108 of file fichier_local.hpp.
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inlineprotectedvirtual |
write down any pending data
Implements libdar::generic_file.
Definition at line 109 of file fichier_local.hpp.
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inlineprotectedvirtual |
destructor-like call, except that it is allowed to throw exceptions
Implements libdar::generic_file.
Definition at line 111 of file fichier_local.hpp.
References fadvise(), fichier_global_inherited_read(), fichier_global_inherited_write(), and libdar::generic_file::read().
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virtual |
skip at the absolute position
[in] | pos | the offset in byte where next read/write operation must start |
Implements libdar::generic_file.
Referenced by skippable().
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inlinevirtual |
whether the implementation is able to skip
Implements libdar::generic_file.
Definition at line 95 of file fichier_local.hpp.
References get_position(), skip(), skip_relative(), and skip_to_eof().