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Disk ARchive
2.6.12
Full featured and portable backup and archiving tool
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let a generic_file be managed by another thread More...
#include <generic_thread.hpp>
Inherits libdar::generic_file.
Public Member Functions | |
| generic_thread (generic_file *ptr, U_I data_block_size=tampon_block_size, U_I data_num_block=tampon_num_block, U_I ctrl_block_size=tampon_block_size_ctrl, U_I ctrl_num_block=tampon_num_block_ctrl) | |
| constructor More... | |
| generic_thread (const generic_thread &ref)=delete | |
| generic_thread (generic_thread &&ref) noexcept=delete | |
| generic_thread & | operator= (const generic_thread &ref)=delete |
| generic_thread & | operator= (generic_thread &&ref) noexcept=delete |
| virtual bool | skippable (skippability direction, const infinint &amount) override |
| whether the implementation is able to skip More... | |
| virtual bool | skip (const infinint &pos) override |
| skip at the absolute position More... | |
| virtual bool | skip_to_eof () override |
| skip to the end of file | |
| virtual bool | skip_relative (S_I x) override |
| skip relatively to the current position | |
| virtual infinint | get_position () const override |
| get the current read/write position | |
Public Member Functions inherited from libdar::generic_file | |
| generic_file (gf_mode m) | |
| main constructor | |
| generic_file (const generic_file &ref) | |
| copy constructor | |
| generic_file (generic_file &&ref) noexcept | |
| move constructor | |
| generic_file & | operator= (const generic_file &ref) |
| assignment operator | |
| generic_file & | operator= (generic_file &&ref) noexcept |
| move operator | |
| ~generic_file () noexcept(false) | |
| virtual destructor, More... | |
| void | terminate () |
| destructor-like call, except that it is allowed to throw exceptions | |
| bool | operator== (generic_file &ref) |
| bool | operator!= (generic_file &ref) |
| gf_mode | get_mode () const |
| retreive the openning mode for this object | |
| void | read_ahead (const infinint &amount) |
| void | ignore_read_ahead (bool mode) |
| virtual U_I | read (char *a, U_I size) override |
| read data from the generic_file inherited from proto_generic_file | |
| virtual void | write (const char *a, U_I size) override |
| write data to the generic_file inherited from proto_generic_file | |
| 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 | |
Public Member Functions inherited from libdar::proto_generic_file | |
| proto_generic_file (const proto_generic_file &ref)=default | |
| copy constructor | |
| proto_generic_file (proto_generic_file &&ref) noexcept=default | |
| move constructor | |
| proto_generic_file & | operator= (const proto_generic_file &ref)=default |
| assignment operator | |
| proto_generic_file & | operator= (proto_generic_file &&ref) noexcept=default |
| move operator | |
| virtual | ~proto_generic_file () noexcept(false) |
| virtual destructor More... | |
Protected Member Functions | |
| virtual void | inherited_read_ahead (const infinint &amount) override |
| tells the object that several calls to read() will follow to probably obtain at least the given amount of data More... | |
| virtual U_I | inherited_read (char *a, U_I size) override |
| implementation of read() operation More... | |
| virtual void | inherited_write (const char *a, U_I size) override |
| implementation of the write() operation More... | |
| virtual void | inherited_sync_write () override |
| generic_file inherited method to sync all pending writes More... | |
| virtual void | inherited_flush_read () override |
| reset internal engine, flush caches in order to read the data at current position More... | |
| virtual void | inherited_terminate () override |
| 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 |
Private Member Functions | |
| void | send_order () |
| void | read_answer () |
| void | check_answer (msg_type expected) |
| void | wake_up_slave_if_asked () |
| check whether an order to wakeup the slave has been received, and send wake up the slave | |
| void | release_block_answer () |
| void | release_data_ptr () |
| void | purge_data_pipe () |
| drops all data in the toslave_data pipe | |
| void | my_run () |
| void | my_join () |
Private Attributes | |
| libthreadar::fast_tampon< char > | toslave_data |
| libthreadar::fast_tampon< char > | tomaster_data |
| libthreadar::fast_tampon< char > | toslave_ctrl |
| libthreadar::fast_tampon< char > | tomaster_ctrl |
| slave_thread * | remote |
| bool | reached_eof |
| whether we reached end of file | |
| char | data_header |
| contains 1 byte header for data | |
| char | data_header_eof |
| contains 1 byte header for data + eof | |
| bool | running |
| whether a remote is expected to run, tid is then set | |
| pthread_t | tid |
| thread id of remote | |
| messaging_encode | order |
| messaging_decode | answer |
| unsigned int | num |
| char * | ptr |
| label | dataname |
Additional Inherited Members | |
Public Types inherited from libdar::generic_file | |
| enum | skippability { skip_backward, skip_forward } |
let a generic_file be managed by another thread
Definition at line 44 of file generic_thread.hpp.
1.8.18