A manager for asynchronous event demultiplexing. This class is the base class for all the concrete implementation classes. More...

#include <Proactor_Impl.h>

Inheritance diagram for ACE_Proactor_Impl:

[legend]

Collaboration diagram for ACE_Proactor_Impl:

[legend]

Public Member Functions
virtual	~ACE_Proactor_Impl (void)
	Virtual destruction. More...

virtual int	close (void)=0
	Close the IO completion port. More...

virtual int	register_handle (ACE_HANDLE handle, const void *completion_key)=0

virtual int	handle_events (ACE_Time_Value &wait_time)=0

virtual int	handle_events (void)=0

virtual int	wake_up_dispatch_threads (void)=0
	Add wakeup dispatch threads (reinit). More...

virtual int	close_dispatch_threads (int wait)=0
	Close all dispatch threads. More...

virtual size_t	number_of_threads (void) const =0
	Get number of thread used as a parameter to CreatIoCompletionPort. More...

virtual void	number_of_threads (size_t threads)=0
	Set number of thread used as a parameter to CreatIoCompletionPort. More...

virtual ACE_HANDLE	get_handle (void) const =0
	Get the event handle. More...

virtual ACE_Asynch_Read_Stream_Impl *	create_asynch_read_stream (void)=0
	Create the correct implementation class for doing Asynch_Read_Stream. More...

virtual ACE_Asynch_Write_Stream_Impl *	create_asynch_write_stream (void)=0
	Create the correct implementation class for doing Asynch_Write_Stream. More...

virtual ACE_Asynch_Read_File_Impl *	create_asynch_read_file (void)=0
	Create the correct implementation class for doing Asynch_Read_File. More...

virtual ACE_Asynch_Write_File_Impl *	create_asynch_write_file (void)=0
	Create the correct implementation class for doing Asynch_Write_File. More...

virtual ACE_Asynch_Accept_Impl *	create_asynch_accept (void)=0
	Create the correct implementation class for doing Asynch_Accept. More...

virtual ACE_Asynch_Connect_Impl *	create_asynch_connect (void)=0
	Create the correct implementation class for doing Asynch_Connect. More...

virtual ACE_Asynch_Transmit_File_Impl *	create_asynch_transmit_file (void)=0
	Create the correct implementation class for doing Asynch_Transmit_File. More...

virtual ACE_Asynch_Read_Dgram_Impl *	create_asynch_read_dgram (void)=0

virtual ACE_Asynch_Write_Dgram_Impl *	create_asynch_write_dgram (void)=0

virtual ACE_Asynch_Read_Stream_Result_Impl *	create_asynch_read_stream_result (const ACE_Handler::Proxy_Ptr &handler_proxy, ACE_HANDLE handle, ACE_Message_Block &message_block, size_t bytes_to_read, const void *act, ACE_HANDLE event=ACE_INVALID_HANDLE, int priority=0, int signal_number=ACE_SIGRTMIN)=0
	Create the correct implementation class for ACE_Asynch_Read_Stream::Result class. More...

virtual ACE_Asynch_Write_Stream_Result_Impl *	create_asynch_write_stream_result (const ACE_Handler::Proxy_Ptr &handler_proxy, ACE_HANDLE handle, ACE_Message_Block &message_block, size_t bytes_to_write, const void *act, ACE_HANDLE event=ACE_INVALID_HANDLE, int priority=0, int signal_number=ACE_SIGRTMIN)=0
	Create the correct implementation class for ACE_Asynch_Write_Stream::Result. More...

virtual ACE_Asynch_Read_File_Result_Impl *	create_asynch_read_file_result (const ACE_Handler::Proxy_Ptr &handler_proxy, ACE_HANDLE handle, ACE_Message_Block &message_block, size_t bytes_to_read, const void *act, u_long offset, u_long offset_high, ACE_HANDLE event=ACE_INVALID_HANDLE, int priority=0, int signal_number=ACE_SIGRTMIN)=0
	Create the correct implementation class for ACE_Asynch_Read_File::Result. More...

virtual ACE_Asynch_Write_File_Result_Impl *	create_asynch_write_file_result (const ACE_Handler::Proxy_Ptr &handler, ACE_HANDLE handle, ACE_Message_Block &message_block, size_t bytes_to_write, const void *act, u_long offset, u_long offset_high, ACE_HANDLE event=ACE_INVALID_HANDLE, int priority=0, int signal_number=ACE_SIGRTMIN)=0
	Create the correct implementation class for ACE_Asynch_Write_File::Result. More...

virtual ACE_Asynch_Read_Dgram_Result_Impl *	create_asynch_read_dgram_result (const ACE_Handler::Proxy_Ptr &handler_proxy, ACE_HANDLE handle, ACE_Message_Block message_block, size_t bytes_to_read, int flags, int protocol_family, const void act, ACE_HANDLE event=ACE_INVALID_HANDLE, int priority=0, int signal_number=ACE_SIGRTMIN)=0
	Create the correct implementation class for ACE_Asynch_Read_Dgram::Result. More...

virtual ACE_Asynch_Write_Dgram_Result_Impl *	create_asynch_write_dgram_result (const ACE_Handler::Proxy_Ptr &handler_proxy, ACE_HANDLE handle, ACE_Message_Block message_block, size_t bytes_to_write, int flags, const void act, ACE_HANDLE event=ACE_INVALID_HANDLE, int priority=0, int signal_number=ACE_SIGRTMIN)=0
	Create the correct implementation class for ACE_Asynch_Write_Dgram::Result. More...

virtual ACE_Asynch_Accept_Result_Impl *	create_asynch_accept_result (const ACE_Handler::Proxy_Ptr &handler_proxy, ACE_HANDLE listen_handle, ACE_HANDLE accept_handle, ACE_Message_Block &message_block, size_t bytes_to_read, const void *act, ACE_HANDLE event=ACE_INVALID_HANDLE, int priority=0, int signal_number=ACE_SIGRTMIN)=0
	Create the correct implementation class for ACE_Asynch_Accept::Result. More...

virtual ACE_Asynch_Connect_Result_Impl *	create_asynch_connect_result (const ACE_Handler::Proxy_Ptr &handler_proxy, ACE_HANDLE connect_handle, const void *act, ACE_HANDLE event=ACE_INVALID_HANDLE, int priority=0, int signal_number=ACE_SIGRTMIN)=0
	Create the correct implementation class for ACE_Asynch_Connect::Result. More...

virtual ACE_Asynch_Transmit_File_Result_Impl *	create_asynch_transmit_file_result (const ACE_Handler::Proxy_Ptr &handler_proxy, ACE_HANDLE socket, ACE_HANDLE file, ACE_Asynch_Transmit_File::Header_And_Trailer header_and_trailer, size_t bytes_to_write, u_long offset, u_long offset_high, size_t bytes_per_send, u_long flags, const void act, ACE_HANDLE event=ACE_INVALID_HANDLE, int priority=0, int signal_number=ACE_SIGRTMIN)=0
	Create the correct implementation class for ACE_Asynch_Transmit_File::Result. More...

virtual ACE_Asynch_Result_Impl *	create_asynch_timer (const ACE_Handler::Proxy_Ptr &handler_proxy, const void *act, const ACE_Time_Value &tv, ACE_HANDLE event=ACE_INVALID_HANDLE, int priority=0, int signal_number=0)=0

virtual int	post_wakeup_completions (int how_many)=0

Public Member Functions inherited from ACE_Event_Handler
virtual	~ACE_Event_Handler (void)
	Destructor is virtual to enable proper cleanup. More...

virtual void	set_handle (ACE_HANDLE)
	Set the I/O handle. More...

virtual int	priority (void) const

virtual void	priority (int priority)
	Set the priority of the Event_Handler. More...

virtual int	handle_input (ACE_HANDLE fd=ACE_INVALID_HANDLE)
	Called when input events occur (e.g., connection or data). More...

virtual int	handle_output (ACE_HANDLE fd=ACE_INVALID_HANDLE)

virtual int	handle_exception (ACE_HANDLE fd=ACE_INVALID_HANDLE)
	Called when an exceptional events occur (e.g., SIGURG). More...

virtual int	handle_timeout (const ACE_Time_Value &current_time, const void *act=0)

virtual int	handle_exit (ACE_Process *)
	Called when a process exits. More...

virtual int	handle_close (ACE_HANDLE handle, ACE_Reactor_Mask close_mask)

virtual int	handle_signal (int signum, siginfo_t =0, ucontext_t =0)

virtual int	resume_handler (void)

virtual int	handle_qos (ACE_HANDLE=ACE_INVALID_HANDLE)

virtual int	handle_group_qos (ACE_HANDLE=ACE_INVALID_HANDLE)

virtual void	reactor (ACE_Reactor *reactor)
	Set the event demultiplexors. More...

virtual ACE_Reactor *	reactor (void) const
	Get the event demultiplexors. More...

virtual ACE_Reactor_Timer_Interface *	reactor_timer_interface (void) const
	Get only the reactor's timer related interface. More...

virtual Reference_Count	add_reference (void)
	Increment reference count on the handler. More...

virtual Reference_Count	remove_reference (void)
	Decrement reference count on the handler. More...

Reference_Counting_Policy &	reference_counting_policy (void)
	Current Reference_Counting_Policy. More...

Additional Inherited Members
Public Types inherited from ACE_Event_Handler
enum	{ LO_PRIORITY = 0, HI_PRIORITY = 10, NULL_MASK = 0, READ_MASK = (1 << 0), WRITE_MASK = (1 << 1), EXCEPT_MASK = (1 << 2), ACCEPT_MASK = (1 << 3), CONNECT_MASK = (1 << 4), TIMER_MASK = (1 << 5), QOS_MASK = (1 << 6), GROUP_QOS_MASK = (1 << 7), SIGNAL_MASK = (1 << 8), ALL_EVENTS_MASK, RWE_MASK, DONT_CALL = (1 << 9) }

enum	{ ACE_EVENT_HANDLER_NOT_RESUMED = -1, ACE_REACTOR_RESUMES_HANDLER = 0, ACE_APPLICATION_RESUMES_HANDLER }

typedef long	Reference_Count
	Reference count type. More...

Static Public Member Functions inherited from ACE_Event_Handler
static ACE_THR_FUNC_RETURN	read_adapter (void *event_handler)

static int	register_stdin_handler (ACE_Event_Handler eh, ACE_Reactor reactor, ACE_Thread_Manager *thr_mgr, int flags=THR_DETACHED)

static int	remove_stdin_handler (ACE_Reactor reactor, ACE_Thread_Manager thr_mgr)
	Performs the inverse of the register_stdin_handler() method. More...

Protected Types inherited from ACE_Event_Handler
typedef ACE_Atomic_Op < ACE_SYNCH_MUTEX, Reference_Count >	Atomic_Reference_Count
	Typedef for implementation of reference counting. More...

Protected Member Functions inherited from ACE_Event_Handler
	ACE_Event_Handler (ACE_Reactor *=0, int priority=ACE_Event_Handler::LO_PRIORITY)
	Force ACE_Event_Handler to be an abstract base class. More...

Protected Attributes inherited from ACE_Event_Handler
Atomic_Reference_Count	reference_count_
	Reference count. More...

Detailed Description

A manager for asynchronous event demultiplexing. This class is the base class for all the concrete implementation classes.

See the Proactor pattern description at http://www.cs.wustl.edu/~schmidt/proactor.ps.gz for more details.

Constructor & Destructor Documentation

ACE_Proactor_Impl::~ACE_Proactor_Impl ( void )

virtual

Virtual destruction.

Member Function Documentation

virtual int ACE_Proactor_Impl::close ( void )

pure virtual

Close the IO completion port.

Implemented in ACE_POSIX_AIOCB_Proactor, ACE_POSIX_Proactor, and ACE_WIN32_Proactor.

virtual int ACE_Proactor_Impl::close_dispatch_threads ( int wait )

pure virtual

Close all dispatch threads.

Implemented in ACE_POSIX_Proactor, and ACE_WIN32_Proactor.

virtual ACE_Asynch_Accept_Impl* ACE_Proactor_Impl::create_asynch_accept ( void )

pure virtual

Create the correct implementation class for doing Asynch_Accept.

Implemented in ACE_POSIX_Proactor, and ACE_WIN32_Proactor.

virtual ACE_Asynch_Accept_Result_Impl* ACE_Proactor_Impl::create_asynch_accept_result	(	const ACE_Handler::Proxy_Ptr &	handler_proxy,
		ACE_HANDLE	listen_handle,
		ACE_HANDLE	accept_handle,
		ACE_Message_Block &	message_block,
		size_t	bytes_to_read,
		const void *	act,
		ACE_HANDLE	event = `ACE_INVALID_HANDLE`,
		int	priority = `0`,
		int	signal_number = `ACE_SIGRTMIN`
	)

pure virtual

Create the correct implementation class for ACE_Asynch_Accept::Result.

Implemented in ACE_POSIX_Proactor, and ACE_WIN32_Proactor.

virtual ACE_Asynch_Connect_Impl* ACE_Proactor_Impl::create_asynch_connect ( void )

pure virtual

Create the correct implementation class for doing Asynch_Connect.

Implemented in ACE_POSIX_Proactor, and ACE_WIN32_Proactor.

virtual ACE_Asynch_Connect_Result_Impl* ACE_Proactor_Impl::create_asynch_connect_result	(	const ACE_Handler::Proxy_Ptr &	handler_proxy,
		ACE_HANDLE	connect_handle,
		const void *	act,
		ACE_HANDLE	event = `ACE_INVALID_HANDLE`,
		int	priority = `0`,
		int	signal_number = `ACE_SIGRTMIN`
	)

pure virtual

Create the correct implementation class for ACE_Asynch_Connect::Result.

Implemented in ACE_POSIX_Proactor, and ACE_WIN32_Proactor.

virtual ACE_Asynch_Read_Dgram_Impl* ACE_Proactor_Impl::create_asynch_read_dgram ( void )

pure virtual

Create the correct implementation class for doing Asynch_Read_Dgram.

Implemented in ACE_POSIX_Proactor, and ACE_WIN32_Proactor.

virtual ACE_Asynch_Read_Dgram_Result_Impl* ACE_Proactor_Impl::create_asynch_read_dgram_result	(	const ACE_Handler::Proxy_Ptr &	handler_proxy,
		ACE_HANDLE	handle,
		ACE_Message_Block *	message_block,
		size_t	bytes_to_read,
		int	flags,
		int	protocol_family,
		const void *	act,
		ACE_HANDLE	event = `ACE_INVALID_HANDLE`,
		int	priority = `0`,
		int	signal_number = `ACE_SIGRTMIN`
	)

pure virtual

Create the correct implementation class for ACE_Asynch_Read_Dgram::Result.

Implemented in ACE_POSIX_Proactor, and ACE_WIN32_Proactor.

virtual ACE_Asynch_Read_File_Impl* ACE_Proactor_Impl::create_asynch_read_file ( void )

pure virtual

Create the correct implementation class for doing Asynch_Read_File.

Implemented in ACE_POSIX_Proactor, and ACE_WIN32_Proactor.

virtual ACE_Asynch_Read_File_Result_Impl* ACE_Proactor_Impl::create_asynch_read_file_result	(	const ACE_Handler::Proxy_Ptr &	handler_proxy,
		ACE_HANDLE	handle,
		ACE_Message_Block &	message_block,
		size_t	bytes_to_read,
		const void *	act,
		u_long	offset,
		u_long	offset_high,
		ACE_HANDLE	event = `ACE_INVALID_HANDLE`,
		int	priority = `0`,
		int	signal_number = `ACE_SIGRTMIN`
	)

pure virtual

Create the correct implementation class for ACE_Asynch_Read_File::Result.

Implemented in ACE_POSIX_Proactor, and ACE_WIN32_Proactor.

virtual ACE_Asynch_Read_Stream_Impl* ACE_Proactor_Impl::create_asynch_read_stream ( void )

pure virtual

Create the correct implementation class for doing Asynch_Read_Stream.

Implemented in ACE_POSIX_Proactor, and ACE_WIN32_Proactor.

virtual ACE_Asynch_Read_Stream_Result_Impl* ACE_Proactor_Impl::create_asynch_read_stream_result	(	const ACE_Handler::Proxy_Ptr &	handler_proxy,
		ACE_HANDLE	handle,
		ACE_Message_Block &	message_block,
		size_t	bytes_to_read,
		const void *	act,
		ACE_HANDLE	event = `ACE_INVALID_HANDLE`,
		int	priority = `0`,
		int	signal_number = `ACE_SIGRTMIN`
	)

pure virtual

Create the correct implementation class for ACE_Asynch_Read_Stream::Result class.

Implemented in ACE_POSIX_Proactor, and ACE_WIN32_Proactor.

virtual ACE_Asynch_Result_Impl* ACE_Proactor_Impl::create_asynch_timer	(	const ACE_Handler::Proxy_Ptr &	handler_proxy,
		const void *	act,
		const ACE_Time_Value &	tv,
		ACE_HANDLE	event = `ACE_INVALID_HANDLE`,
		int	priority = `0`,
		int	signal_number = `0`
	)

pure virtual

Create the correct implementation object for the Timer result. POSIX_SIG_Proactor will create a Timer object with a meaningful signal number, if you leave the signal number as 0.

Implemented in ACE_POSIX_Proactor, and ACE_WIN32_Proactor.

virtual ACE_Asynch_Transmit_File_Impl* ACE_Proactor_Impl::create_asynch_transmit_file ( void )

pure virtual

Create the correct implementation class for doing Asynch_Transmit_File.

Implemented in ACE_POSIX_Proactor, and ACE_WIN32_Proactor.

virtual ACE_Asynch_Transmit_File_Result_Impl* ACE_Proactor_Impl::create_asynch_transmit_file_result	(	const ACE_Handler::Proxy_Ptr &	handler_proxy,
		ACE_HANDLE	socket,
		ACE_HANDLE	file,
		ACE_Asynch_Transmit_File::Header_And_Trailer *	header_and_trailer,
		size_t	bytes_to_write,
		u_long	offset,
		u_long	offset_high,
		size_t	bytes_per_send,
		u_long	flags,
		const void *	act,
		ACE_HANDLE	event = `ACE_INVALID_HANDLE`,
		int	priority = `0`,
		int	signal_number = `ACE_SIGRTMIN`
	)

pure virtual

Create the correct implementation class for ACE_Asynch_Transmit_File::Result.

Implemented in ACE_POSIX_Proactor, and ACE_WIN32_Proactor.

virtual ACE_Asynch_Write_Dgram_Impl* ACE_Proactor_Impl::create_asynch_write_dgram ( void )

pure virtual

Create the correct implementation class for doing Asynch_Write_Dgram.

Implemented in ACE_POSIX_Proactor, and ACE_WIN32_Proactor.

virtual ACE_Asynch_Write_Dgram_Result_Impl* ACE_Proactor_Impl::create_asynch_write_dgram_result	(	const ACE_Handler::Proxy_Ptr &	handler_proxy,
		ACE_HANDLE	handle,
		ACE_Message_Block *	message_block,
		size_t	bytes_to_write,
		int	flags,
		const void *	act,
		ACE_HANDLE	event = `ACE_INVALID_HANDLE`,
		int	priority = `0`,
		int	signal_number = `ACE_SIGRTMIN`
	)

pure virtual

Create the correct implementation class for ACE_Asynch_Write_Dgram::Result.

Implemented in ACE_POSIX_Proactor, and ACE_WIN32_Proactor.

virtual ACE_Asynch_Write_File_Impl* ACE_Proactor_Impl::create_asynch_write_file ( void )

pure virtual

Create the correct implementation class for doing Asynch_Write_File.

Implemented in ACE_POSIX_Proactor, and ACE_WIN32_Proactor.

virtual ACE_Asynch_Write_File_Result_Impl* ACE_Proactor_Impl::create_asynch_write_file_result	(	const ACE_Handler::Proxy_Ptr &	handler,
		ACE_HANDLE	handle,
		ACE_Message_Block &	message_block,
		size_t	bytes_to_write,
		const void *	act,
		u_long	offset,
		u_long	offset_high,
		ACE_HANDLE	event = `ACE_INVALID_HANDLE`,
		int	priority = `0`,
		int	signal_number = `ACE_SIGRTMIN`
	)

pure virtual

Create the correct implementation class for ACE_Asynch_Write_File::Result.

Implemented in ACE_POSIX_Proactor, and ACE_WIN32_Proactor.

virtual ACE_Asynch_Write_Stream_Impl* ACE_Proactor_Impl::create_asynch_write_stream ( void )

pure virtual

Create the correct implementation class for doing Asynch_Write_Stream.

Implemented in ACE_POSIX_Proactor, and ACE_WIN32_Proactor.

virtual ACE_Asynch_Write_Stream_Result_Impl* ACE_Proactor_Impl::create_asynch_write_stream_result	(	const ACE_Handler::Proxy_Ptr &	handler_proxy,
		ACE_HANDLE	handle,
		ACE_Message_Block &	message_block,
		size_t	bytes_to_write,
		const void *	act,
		ACE_HANDLE	event = `ACE_INVALID_HANDLE`,
		int	priority = `0`,
		int	signal_number = `ACE_SIGRTMIN`
	)

pure virtual

Create the correct implementation class for ACE_Asynch_Write_Stream::Result.

Implemented in ACE_POSIX_Proactor, and ACE_WIN32_Proactor.

virtual ACE_HANDLE ACE_Proactor_Impl::get_handle ( void ) const

pure virtual

Get the event handle.

Reimplemented from ACE_Event_Handler.

Implemented in ACE_POSIX_Proactor, and ACE_WIN32_Proactor.

virtual int ACE_Proactor_Impl::handle_events ( ACE_Time_Value & wait_time )

pure virtual

Dispatch a single set of events. If wait_time elapses before any events occur, return 0. Return 1 on success i.e., when a completion is dispatched, non-zero (-1) on errors and errno is set accordingly.

Implemented in ACE_POSIX_AIOCB_Proactor, ACE_POSIX_Proactor, ACE_WIN32_Proactor, and ACE_POSIX_CB_Proactor.

virtual int ACE_Proactor_Impl::handle_events ( void )

pure virtual

Block indefinitely until at least one event is dispatched. Dispatch a single set of events. If <wait_time> elapses before any events occur, return 0. Return 1 on success i.e., when a completion is dispatched, non-zero (-1) on errors and errno is set accordingly.

Implemented in ACE_POSIX_AIOCB_Proactor, ACE_POSIX_Proactor, ACE_WIN32_Proactor, and ACE_POSIX_CB_Proactor.

virtual size_t ACE_Proactor_Impl::number_of_threads ( void ) const

pure virtual

Get number of thread used as a parameter to CreatIoCompletionPort.

Implemented in ACE_POSIX_Proactor, and ACE_WIN32_Proactor.

virtual void ACE_Proactor_Impl::number_of_threads ( size_t threads )

pure virtual

Set number of thread used as a parameter to CreatIoCompletionPort.

Implemented in ACE_POSIX_Proactor, and ACE_WIN32_Proactor.

virtual int ACE_Proactor_Impl::post_wakeup_completions ( int how_many )

pure virtual

Post how_many completions to the completion port so that all threads can wake up. This is used in conjunction with the <run_event_loop>.