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Disk ARchive
2.4.13
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"trivial sar" emulates the behavior of sar when all data must be keept in a arbitrary length single slice More...
#include <sar.hpp>
Inherits libdar::generic_file, libdar::contextual, and libdar::mem_ui.
Public Member Functions | |
| trivial_sar (user_interaction &dialog, const std::string &base_name, const std::string &extension, const path &dir, const label &data_name, const std::string &execute, bool allow_over, bool warn_over, const std::string &slice_permission, const std::string &slice_user_ownership, const std::string &slice_group_ownership, hash_algo x_hash, const infinint &min_digits, bool format_07_compatible) | |
| constructor to build a new single sliced archive | |
| trivial_sar (user_interaction &dialog, const std::string &pipename, bool lax) | |
| constructor to read a (single sliced) archive from a pipe | |
| trivial_sar (user_interaction &dialog, generic_file *f, 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 | skip (const infinint &pos) |
| skip at the absolute position More... | |
| 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 () |
| get the current read/write position | |
| bool | is_an_old_start_end_archive () const |
| const label & | get_data_name () const |
Public Member Functions inherited from libdar::generic_file | |
| generic_file (gf_mode m) | |
| main constructor | |
| generic_file (const generic_file &ref) | |
| copy constructor | |
| void | terminate () const |
| virtual destructor, this let inherited destructor to be called even from a generic_file pointer to an inherited class More... | |
| const generic_file & | operator= (const generic_file &ref) |
| assignment operator | |
| gf_mode | get_mode () const |
| retreive the openning mode for this object | |
| 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 &crc_size, crc *&value) |
| compares the contents with the object in argument More... | |
| bool | diff (generic_file &f, 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 | |
Protected Member Functions | |
| 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_terminate () |
| destructor-like call, except that it is allowed to throw exceptions More... | |
Protected Member Functions inherited from libdar::generic_file | |
| void | set_mode (gf_mode x) |
| bool | is_terminated () const |
Protected Member Functions inherited from libdar::mem_ui | |
| mem_ui (user_interaction &dialog) | |
| constructor More... | |
| mem_ui (const mem_ui &ref) | |
| the copy constructor More... | |
| virtual | ~mem_ui () |
| destructor More... | |
| const mem_ui & | operator= (const mem_ui &ref) |
| assignement operator More... | |
| user_interaction & | get_ui () const |
| get access to the user_interaction cloned object More... | |
"trivial sar" emulates the behavior of sar when all data must be keept in a arbitrary length single slice
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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 |
write down any pending data
Implements libdar::generic_file.
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protectedvirtual |
destructor-like call, except that it is allowed to throw exceptions
Implements libdar::generic_file.
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inlineprotectedvirtual |
implementation of the write() operation
| [in] | a | what data to write |
| [in] | size | amount of data to write |
Implements libdar::generic_file.
Definition at line 274 of file sar.hpp.
References libdar::generic_file::write().
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inlinevirtual |
skip at the absolute position
| [in] | pos | the offset in byte where next read/write operation must start |
Implements libdar::generic_file.
Definition at line 263 of file sar.hpp.
References libdar::generic_file::is_terminated(), and libdar::generic_file::skip().
1.8.6