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AsyncFile Class Reference
Inheritance diagram for AsyncFile:
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Public Member Functions

 AsyncFile (SimulatedBlock &fs)
virtual int init ()=0
virtual bool isOpen ()=0
void set_buffer (Uint32 rg, Ptr< GlobalPage > ptr, Uint32 cnt)
bool has_buffer () const
void clear_buffer (Uint32 &rg, Ptr< GlobalPage > &ptr, Uint32 &cnt)
AsyncIoThread * getThread () const

Public Attributes

Filename theFileName
Request * m_current_request
Request * m_last_request
SimulatedBlock & m_fs

Protected Member Functions

virtual void readReq (Request *request)
virtual void readvReq (Request *request)
virtual void writeReq (Request *request)
virtual void writevReq (Request *request)

Protected Attributes

size_t m_write_wo_sync
size_t m_auto_sync_freq
Uint32 m_open_flags
Uint32 m_resource_group
Uint32 m_page_cnt
Ptr< GlobalPage > m_page_ptr
char * theWriteBuffer
Uint32 theWriteBufferSize

Friends

class Ndbfs
class AsyncIoThread

Detailed Description

Definition at line 25 of file AsyncFile.hpp.

Member Function Documentation

void AsyncFile::readReq ( Request *  request)
protectedvirtual

Unlikely to need to implement these. readvReq for iovec

Definition at line 65 of file AsyncFile.cpp.

void AsyncFile::writeReq ( Request *  request)
protectedvirtual

Unlikely to need to implement these, writeBuffer likely sufficient. writevReq for iovec (not yet used)

Definition at line 89 of file AsyncFile.cpp.

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Member Data Documentation

Uint32 AsyncFile::m_resource_group
protected

file buffers

Definition at line 102 of file AsyncFile.hpp.

The documentation for this class was generated from the following files: