#include <Filecache.h>
Collaboration diagram for ACE_Filecache_Object:

Public Types | |
| ACE_READING = 1 | |
| ACE_WRITING = 2 | |
| ACE_SUCCESS = 0 | |
| ACE_ACCESS_FAILED | |
| ACE_OPEN_FAILED | |
| ACE_COPY_FAILED | |
| ACE_STAT_FAILED | |
| ACE_MEMMAP_FAILED | |
| ACE_WRITE_FAILED | |
| enum | Creation_States { ACE_READING = 1, ACE_WRITING = 2 } |
| enum | Error_Conditions { ACE_SUCCESS = 0, ACE_ACCESS_FAILED, ACE_OPEN_FAILED, ACE_COPY_FAILED, ACE_STAT_FAILED, ACE_MEMMAP_FAILED, ACE_WRITE_FAILED } |
Public Member Functions | |
| ACE_Filecache_Object (const ACE_TCHAR *filename, ACE_SYNCH_RW_MUTEX &lock, LPSECURITY_ATTRIBUTES sa=0, int mapit=1) | |
| Creates a file for reading. | |
| ACE_Filecache_Object (const ACE_TCHAR *filename, ACE_OFF_T size, ACE_SYNCH_RW_MUTEX &lock, LPSECURITY_ATTRIBUTES sa=0) | |
| Creates a file for writing. | |
| ~ACE_Filecache_Object (void) | |
| Only if reference count is zero should this be called. | |
| int | acquire (void) |
| Increment the reference_count_. | |
| int | release (void) |
| Decrement the reference_count_. | |
| int | error (void) const |
| int | error (int error_value, const ACE_TCHAR *s=ACE_LIB_TEXT("ACE_Filecache_Object")) |
| const ACE_TCHAR * | filename (void) const |
| filename_ accessor | |
| ACE_HANDLE | handle (void) const |
| handle_ accessor. | |
| void * | address (void) const |
| Base memory address for memory mapped file. | |
| ACE_OFF_T | size (void) const |
| size_ accessor. | |
| int | update (void) const |
| True if file on disk is newer than cached file. | |
Protected Member Functions | |
| ACE_Filecache_Object (void) | |
| Prevent from being called. | |
| void | init (void) |
| Common initialization code,. | |
Private Member Functions | |
| int | error_i (int error_value, const ACE_TCHAR *s=ACE_LIB_TEXT("ACE_Filecache_Object")) |
| Internal error logging method, no locking. | |
Private Attributes | |
| ACE_TCHAR * | tempname_ |
| ACE_TCHAR | filename_ [MAXPATHLEN+1] |
| ACE_Mem_Map | mmap_ |
| Holds the memory mapped version of the temporary file. | |
| ACE_HANDLE | handle_ |
| The descriptor to the temporary file. | |
| ACE_stat | stat_ |
| Used to compare against the real file to test if an update is needed. | |
| ACE_OFF_T | size_ |
| int | action_ |
| Status indicators. | |
| int | error_ |
| int | stale_ |
| If set to 1, means the object is flagged for removal. | |
| LPSECURITY_ATTRIBUTES | sa_ |
| Security attribute object. | |
| ACE_SYNCH_RW_MUTEX | junklock_ |
| The default initializer. | |
| ACE_SYNCH_RW_MUTEX & | lock_ |
| Provides a bookkeeping mechanism for users of this object. | |
Friends | |
| class | ACE_Filecache |
| ACE_Filecache_Object::ACE_Filecache_Object | ( | const ACE_TCHAR * | filename, | |
| ACE_SYNCH_RW_MUTEX & | lock, | |||
| LPSECURITY_ATTRIBUTES | sa = 0, |
|||
| int | mapit = 1 | |||
| ) |
Creates a file for reading.
| ACE_Filecache_Object::ACE_Filecache_Object | ( | const ACE_TCHAR * | filename, | |
| ACE_OFF_T | size, | |||
| ACE_SYNCH_RW_MUTEX & | lock, | |||
| LPSECURITY_ATTRIBUTES | sa = 0 | |||
| ) |
Creates a file for writing.
| ACE_Filecache_Object::~ACE_Filecache_Object | ( | void | ) |
Only if reference count is zero should this be called.
| ACE_Filecache_Object::ACE_Filecache_Object | ( | void | ) | [protected] |
Prevent from being called.
| int ACE_Filecache_Object::acquire | ( | void | ) |
Increment the reference_count_.
| void * ACE_Filecache_Object::address | ( | void | ) | const |
Base memory address for memory mapped file.
| int ACE_Filecache_Object::error | ( | int | error_value, | |
| const ACE_TCHAR * | s = ACE_LIB_TEXT("ACE_Filecache_Object") | |||
| ) |
| int ACE_Filecache_Object::error | ( | void | ) | const |
| int ACE_Filecache_Object::error_i | ( | int | error_value, | |
| const ACE_TCHAR * | s = ACE_LIB_TEXT("ACE_Filecache_Object") | |||
| ) | [private] |
Internal error logging method, no locking.
| const ACE_TCHAR * ACE_Filecache_Object::filename | ( | void | ) | const |
filename_ accessor
| ACE_HANDLE ACE_Filecache_Object::handle | ( | void | ) | const |
handle_ accessor.
| void ACE_Filecache_Object::init | ( | void | ) | [protected] |
Common initialization code,.
| int ACE_Filecache_Object::release | ( | void | ) |
Decrement the reference_count_.
| ACE_OFF_T ACE_Filecache_Object::size | ( | void | ) | const |
size_ accessor.
| int ACE_Filecache_Object::update | ( | void | ) | const |
True if file on disk is newer than cached file.
friend class ACE_Filecache [friend] |
int ACE_Filecache_Object::action_ [private] |
Status indicators.
int ACE_Filecache_Object::error_ [private] |
ACE_TCHAR ACE_Filecache_Object::filename_[MAXPATHLEN+1] [private] |
ACE_HANDLE ACE_Filecache_Object::handle_ [private] |
The descriptor to the temporary file.
ACE_SYNCH_RW_MUTEX ACE_Filecache_Object::junklock_ [private] |
The default initializer.
ACE_SYNCH_RW_MUTEX& ACE_Filecache_Object::lock_ [private] |
Provides a bookkeeping mechanism for users of this object.
ACE_Mem_Map ACE_Filecache_Object::mmap_ [private] |
Holds the memory mapped version of the temporary file.
LPSECURITY_ATTRIBUTES ACE_Filecache_Object::sa_ [private] |
Security attribute object.
ACE_OFF_T ACE_Filecache_Object::size_ [private] |
int ACE_Filecache_Object::stale_ [private] |
If set to 1, means the object is flagged for removal.
ACE_stat ACE_Filecache_Object::stat_ [private] |
Used to compare against the real file to test if an update is needed.
ACE_TCHAR* ACE_Filecache_Object::tempname_ [private] |
The temporary file name and the real file name. The real file is copied into the temporary file for safety reasons.
1.4.7-1