ACE_WIN32_Asynch_Read_Stream_Result Class Reference

This class provides concrete implementation for ACE_Asynch_Read_Stream::Result class. More...

#include <WIN32_Asynch_IO.h>

Inheritance diagram for ACE_WIN32_Asynch_Read_Stream_Result:

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Collaboration diagram for ACE_WIN32_Asynch_Read_Stream_Result:

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List of all members.

Public Member Functions

size_t bytes_to_read (void) const
ACE_Message_Blockmessage_block (void) const
 Message block which contains the read data.
ACE_HANDLE handle (void) const
 I/O handle used for reading.
size_t bytes_transferred (void) const
 Number of bytes transferred by the operation.
const void * act (void) const
 ACT associated with the operation.
int success (void) const
 Did the operation succeed?
const void * completion_key (void) const
u_long error (void) const
 Error value if the operation fail.
ACE_HANDLE event (void) const
 Event associated with the OVERLAPPED structure.
u_long offset (void) const
 This really make sense only when doing file I/O.
u_long offset_high (void) const
 Offset_high associated with the OVERLAPPED structure.
int priority (void) const
int signal_number (void) const
 No-op. Returns 0.
int post_completion (ACE_Proactor_Impl *proactor)
 Post <this> to the Proactor's completion port.
int scatter_enabled (void) const
 Accessor for the scatter read flag.

Protected Member Functions

 ACE_WIN32_Asynch_Read_Stream_Result (ACE_Handler &handler, ACE_HANDLE handle, ACE_Message_Block &message_block, size_t bytes_to_read, const void *act, ACE_HANDLE event, int priority, int signal_number=0, int scatter_enabled=0)
virtual void complete (size_t bytes_transferred, int success, const void *completion_key, u_long error)
 Proactor will call this method when the read completes.
virtual ~ACE_WIN32_Asynch_Read_Stream_Result (void)
 Destructor.

Protected Attributes

size_t bytes_to_read_
 Bytes requested when the asynchronous read was initiated.
ACE_Message_Blockmessage_block_
 Message block for reading the data into.
ACE_HANDLE handle_
 I/O handle used for reading.
int scatter_enabled_
 Flag for scatter read.

Friends

class ACE_WIN32_Asynch_Read_Stream
 Factory class will have special permissions.
class ACE_WIN32_Proactor
 Proactor class has special permission.

Detailed Description

This class provides concrete implementation for ACE_Asynch_Read_Stream::Result class.


Constructor & Destructor Documentation

ACE_WIN32_Asynch_Read_Stream_Result::ACE_WIN32_Asynch_Read_Stream_Result ACE_Handler handler,
ACE_HANDLE  handle,
ACE_Message_Block message_block,
size_t  bytes_to_read,
const void *  act,
ACE_HANDLE  event,
int  priority,
int  signal_number = 0,
int  scatter_enabled = 0
[protected]
 

Constructor is protected since creation is limited to ACE_Asynch_Read_Stream factory.

ACE_WIN32_Asynch_Read_Stream_Result::~ACE_WIN32_Asynch_Read_Stream_Result void   )  [protected, virtual]
 

Destructor.


Member Function Documentation

const void * ACE_WIN32_Asynch_Read_Stream_Result::act void   )  const [virtual]
 

ACT associated with the operation.

Reimplemented from ACE_WIN32_Asynch_Result.

Reimplemented in ACE_WIN32_Asynch_Read_File_Result.

size_t ACE_WIN32_Asynch_Read_Stream_Result::bytes_to_read void   )  const [virtual]
 

The number of bytes which were requested at the start of the asynchronous read.

Implements ACE_Asynch_Read_Stream_Result_Impl.

Reimplemented in ACE_WIN32_Asynch_Read_File_Result.

size_t ACE_WIN32_Asynch_Read_Stream_Result::bytes_transferred void   )  const [virtual]
 

Number of bytes transferred by the operation.

Reimplemented from ACE_WIN32_Asynch_Result.

Reimplemented in ACE_WIN32_Asynch_Read_File_Result.

void ACE_WIN32_Asynch_Read_Stream_Result::complete size_t  bytes_transferred,
int  success,
const void *  completion_key,
u_long  error
[protected, virtual]
 

Proactor will call this method when the read completes.

Implements ACE_Asynch_Result_Impl.

Reimplemented in ACE_WIN32_Asynch_Read_File_Result.

const void * ACE_WIN32_Asynch_Read_Stream_Result::completion_key void   )  const [virtual]
 

This returns the ACT associated with the handle when it was registered with the I/O completion port. This ACT is not the same as the ACT associated with the asynchronous operation.

Reimplemented from ACE_WIN32_Asynch_Result.

Reimplemented in ACE_WIN32_Asynch_Read_File_Result.

u_long ACE_WIN32_Asynch_Read_Stream_Result::error void   )  const [virtual]
 

Error value if the operation fail.

Reimplemented from ACE_WIN32_Asynch_Result.

Reimplemented in ACE_WIN32_Asynch_Read_File_Result.

ACE_HANDLE ACE_WIN32_Asynch_Read_Stream_Result::event void   )  const [virtual]
 

Event associated with the OVERLAPPED structure.

Reimplemented from ACE_WIN32_Asynch_Result.

Reimplemented in ACE_WIN32_Asynch_Read_File_Result.

ACE_HANDLE ACE_WIN32_Asynch_Read_Stream_Result::handle void   )  const [virtual]
 

I/O handle used for reading.

Implements ACE_Asynch_Read_Stream_Result_Impl.

Reimplemented in ACE_WIN32_Asynch_Read_File_Result.

ACE_Message_Block & ACE_WIN32_Asynch_Read_Stream_Result::message_block void   )  const [virtual]
 

Message block which contains the read data.

Implements ACE_Asynch_Read_Stream_Result_Impl.

Reimplemented in ACE_WIN32_Asynch_Read_File_Result.

u_long ACE_WIN32_Asynch_Read_Stream_Result::offset void   )  const [virtual]
 

This really make sense only when doing file I/O.

Reimplemented from ACE_WIN32_Asynch_Result.

Reimplemented in ACE_WIN32_Asynch_Read_File_Result.

u_long ACE_WIN32_Asynch_Read_Stream_Result::offset_high void   )  const [virtual]
 

Offset_high associated with the OVERLAPPED structure.

Reimplemented from ACE_WIN32_Asynch_Result.

Reimplemented in ACE_WIN32_Asynch_Read_File_Result.

int ACE_WIN32_Asynch_Read_Stream_Result::post_completion ACE_Proactor_Impl proactor  )  [virtual]
 

Post <this> to the Proactor's completion port.

Reimplemented from ACE_WIN32_Asynch_Result.

Reimplemented in ACE_WIN32_Asynch_Read_File_Result.

int ACE_WIN32_Asynch_Read_Stream_Result::priority void   )  const [virtual]
 

The priority of the asynchronous operation. Currently, this is not supported on Win32.

Reimplemented from ACE_WIN32_Asynch_Result.

Reimplemented in ACE_WIN32_Asynch_Read_File_Result.

int ACE_WIN32_Asynch_Read_Stream_Result::scatter_enabled void   )  const
 

Accessor for the scatter read flag.

int ACE_WIN32_Asynch_Read_Stream_Result::signal_number void   )  const [virtual]
 

No-op. Returns 0.

Reimplemented from ACE_WIN32_Asynch_Result.

Reimplemented in ACE_WIN32_Asynch_Read_File_Result.

int ACE_WIN32_Asynch_Read_Stream_Result::success void   )  const [virtual]
 

Did the operation succeed?

Reimplemented from ACE_WIN32_Asynch_Result.

Reimplemented in ACE_WIN32_Asynch_Read_File_Result.


Friends And Related Function Documentation

friend class ACE_WIN32_Asynch_Read_Stream [friend]
 

Factory class will have special permissions.

friend class ACE_WIN32_Proactor [friend]
 

Proactor class has special permission.

Reimplemented from ACE_WIN32_Asynch_Result.

Reimplemented in ACE_WIN32_Asynch_Read_File_Result.


Member Data Documentation

size_t ACE_WIN32_Asynch_Read_Stream_Result::bytes_to_read_ [protected]
 

Bytes requested when the asynchronous read was initiated.

ACE_HANDLE ACE_WIN32_Asynch_Read_Stream_Result::handle_ [protected]
 

I/O handle used for reading.

ACE_Message_Block& ACE_WIN32_Asynch_Read_Stream_Result::message_block_ [protected]
 

Message block for reading the data into.

int ACE_WIN32_Asynch_Read_Stream_Result::scatter_enabled_ [protected]
 

Flag for scatter read.


The documentation for this class was generated from the following files:
Generated on Wed Nov 23 15:51:30 2005 for ACE by  doxygen 1.4.5