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Disk ARchive
2.5.1
Full featured and portable backup and archiving tool
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#include <trivial_sar.hpp>
Inherits libdar::generic_file, libdar::contextual, and libdar::mem_ui.
Public Member Functions | |
trivial_sar (const user_interaction &dialog, gf_mode open_mode, const std::string &base_name, const std::string &extension, const entrepot &where, const label &internal_nale, const label &data_name, const std::string &execute, bool allow_over, bool warn_over, bool force_permission, U_I permission, hash_algo x_hash, const infinint &min_digits, bool format_07_compatible) | |
constructor to build a new single sliced archive | |
trivial_sar (const user_interaction &dialog, const std::string &pipename, bool lax) | |
constructor to read a (single sliced) archive from a pipe | |
trivial_sar (const user_interaction &dialog, generic_file *f, const label &internal_name, const label &data_name, bool format_07_compatible, const std::string &execute) | |
constructor to write a (single sliced) archive to a anonymous pipe | |
trivial_sar (const trivial_sar &ref) | |
copy constructor (disabled) | |
~trivial_sar () | |
destructor | |
const trivial_sar & | operator= (const trivial_sar &ref) |
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 | |
bool | is_an_old_start_end_archive () const |
const label & | get_data_name () const |
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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 | |
Protected Member Functions | |
void | inherited_read_ahead (const infinint &amount) |
U_I | inherited_read (char *a, U_I size) |
implementation of read() operation More... | |
void | inherited_write (const char *a, U_I size) |
implementation of the write() operation More... | |
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... | |
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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... | |
mem_ui (const user_interaction &dialog) | |
constructor More... | |
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... | |
Additional Inherited Members | |
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enum | skippability { skip_backward, skip_forward } |
"trivial sar" proposes the same interface a sar but does the work slightly differently using different constructors
depending on the constructor used trivial sar can:
Definition at line 55 of file trivial_sar.hpp.
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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 112 of file trivial_sar.hpp.
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protectedvirtual |
implementation of read() operation
[in,out] | a | where to put the data to read |
[in] | size | says how much data to read |
Implements libdar::generic_file.
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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 trivial_sar.hpp.
References libdar::generic_file::read_ahead().
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inlineprotectedvirtual |
write down any pending data
Implements libdar::generic_file.
Definition at line 111 of file trivial_sar.hpp.
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protectedvirtual |
destructor-like call, except that it is allowed to throw exceptions
Implements libdar::generic_file.
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protectedvirtual |
implementation of the write() operation
[in] | a | what data to write |
[in] | size | amount of data to write |
Implements libdar::generic_file.
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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.
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inlinevirtual |
whether the implementation is able to skip
Implements libdar::generic_file.
Definition at line 97 of file trivial_sar.hpp.
References libdar::generic_file::skippable().