ACE_Asynch_Accept Class Reference

This class is a factory for starting off asynchronous accepts on a listen handle. This class forwards all methods to its implementation class. More...

#include <Asynch_IO.h>

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List of all members.

Public Member Functions

 ACE_Asynch_Accept (void)
 A do nothing constructor.
virtual ~ACE_Asynch_Accept (void)
 Destructor.
int open (ACE_Handler &handler, ACE_HANDLE handle=ACE_INVALID_HANDLE, const void *completion_key=0, ACE_Proactor *proactor=0)
int accept (ACE_Message_Block &message_block, size_t bytes_to_read, ACE_HANDLE accept_handle=ACE_INVALID_HANDLE, const void *act=0, int priority=0, int signal_number=ACE_SIGRTMIN)
virtual ACE_Asynch_Operation_Implimplementation (void) const
 Return the underlying implementation class.

Protected Attributes

ACE_Asynch_Accept_Implimplementation_

Classes

class  Result
 This is that class which will be passed back to the <handler> when the asynchronous accept completes. More...

Detailed Description

This class is a factory for starting off asynchronous accepts on a listen handle. This class forwards all methods to its implementation class.

Once <open> is called, multiple asynchronous <accept>s can started using this class. A ACE_Asynch_Accept::Result will be passed back to the <handler> when the asynchronous accept completes through the <ACE_Handler::handle_accept> callback.


Constructor & Destructor Documentation

ACE_Asynch_Accept::ACE_Asynch_Accept void   ) 
 

A do nothing constructor.

ACE_Asynch_Accept::~ACE_Asynch_Accept void   )  [virtual]
 

Destructor.


Member Function Documentation

int ACE_Asynch_Accept::accept ACE_Message_Block message_block,
size_t  bytes_to_read,
ACE_HANDLE  accept_handle = ACE_INVALID_HANDLE,
const void *  act = 0,
int  priority = 0,
int  signal_number = ACE_SIGRTMIN
 

This starts off an asynchronous accept. The asynchronous accept call also allows any initial data to be returned to the <handler>. Upto <bytes_to_read> will be read and stored in the <message_block>. The <accept_handle> will be used for the <accept> call. If (<accept_handle> == INVALID_HANDLE), a new handle will be created. Priority of the operation is specified by <priority>. On POSIX4-Unix, this is supported. Works like <nice> in Unix. Negative values are not allowed. 0 means priority of the operation same as the process priority. 1 means priority of the operation is one less than process. And so forth. On Win32, this is a no-op.

<message_block> must be specified. This is because the address of the new connection is placed at the end of this buffer. <signal_number> is the POSIX4 real-time signal number to be used for the operation. <signal_number> ranges from ACE_SIGRTMIN to ACE_SIGRTMAX. This argument is a no-op on non-POSIX4 systems.

ACE_Asynch_Operation_Impl * ACE_Asynch_Accept::implementation void   )  const [virtual]
 

Return the underlying implementation class.

Implements ACE_Asynch_Operation.

int ACE_Asynch_Accept::open ACE_Handler handler,
ACE_HANDLE  handle = ACE_INVALID_HANDLE,
const void *  completion_key = 0,
ACE_Proactor proactor = 0
 

Initializes the factory with information which will be used with each asynchronous call. If (<handle> == ACE_INVALID_HANDLE), <ACE_Handler::handle> will be called on the <handler> to get the correct handle.

Reimplemented from ACE_Asynch_Operation.


Member Data Documentation

ACE_Asynch_Accept_Impl* ACE_Asynch_Accept::implementation_ [protected]
 

Delegation/implementation class that all methods will be forwarded to.


The documentation for this class was generated from the following files:
Generated on Wed Nov 23 15:47:46 2005 for ACE by  doxygen 1.4.5