NAME

ACE_Proactor_Impl -

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

SYNOPSIS

#include <ace/Proactor_Impl.h>

class ACE_Proactor_Impl : public ACE_Event_Handler { public: inline virtual ~ACE_Proactor_Impl (void); virtual int close (void) = 0; 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; virtual int close_dispatch_threads (int wait) = 0; virtual size_t number_of_threads (void) const = 0; virtual void number_of_threads (size_t threads) = 0; virtual ACE_HANDLE get_handle (void) const = 0; = Factory methods for the operations virtual ACE_Asynch_Read_Stream_Impl *create_asynch_read_stream ( void ) = 0; virtual ACE_Asynch_Write_Stream_Impl *create_asynch_write_stream ( void ) = 0; virtual ACE_Asynch_Read_File_Impl *create_asynch_read_file ( void ) = 0; virtual ACE_Asynch_Write_File_Impl *create_asynch_write_file ( void ) = 0; virtual ACE_Asynch_Accept_Impl *create_asynch_accept (void) = 0; virtual ACE_Asynch_Transmit_File_Impl *create_asynch_transmit_file ( void ) = 0; = Factory methods for the results virtual ACE_Asynch_Read_Stream_Result_Impl *create_asynch_read_stream_result ( ACE_Handler &handler, ACE_HANDLE handle, ACE_Message_Block &message_block, u_long bytes_to_read, const void* act, ACE_HANDLE event = ACE_INVALID_HANDLE, int priority = 0, int signal_number = ACE_SIGRTMIN ) = 0; virtual ACE_Asynch_Write_Stream_Result_Impl *create_asynch_write_stream_result ( ACE_Handler &handler, ACE_HANDLE handle, ACE_Message_Block &message_block, u_long bytes_to_write, const void* act, ACE_HANDLE event = ACE_INVALID_HANDLE, int priority = 0, int signal_number = ACE_SIGRTMIN ) = 0; virtual ACE_Asynch_Read_File_Result_Impl *create_asynch_read_file_result ( ACE_Handler &handler, ACE_HANDLE handle, ACE_Message_Block &message_block, u_long 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; virtual ACE_Asynch_Write_File_Result_Impl *create_asynch_write_file_result ( ACE_Handler &handler, ACE_HANDLE handle, ACE_Message_Block &message_block, u_long 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; virtual ACE_Asynch_Accept_Result_Impl *create_asynch_accept_result ( ACE_Handler &handler, ACE_HANDLE listen_handle, ACE_HANDLE accept_handle, ACE_Message_Block &message_block, u_long bytes_to_read, const void* act, ACE_HANDLE event = ACE_INVALID_HANDLE, int priority = 0, int signal_number = ACE_SIGRTMIN ) = 0; virtual ACE_Asynch_Transmit_File_Result_Impl *create_asynch_transmit_file_result ( ACE_Handler &handler, ACE_HANDLE socket, ACE_HANDLE file, ACE_Asynch_Transmit_File::Header_And_Trailer *header_and_trailer, u_long bytes_to_write, u_long offset, u_long offset_high, u_long bytes_per_send, u_long flags, const void *act, ACE_HANDLE event = ACE_INVALID_HANDLE, int priority = 0, int signal_number = ACE_SIGRTMIN ) = 0; virtual ACE_Asynch_Result_Impl *create_asynch_timer ( ACE_Handler &handler, 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; };

DESCRIPTION

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

PUBLIC MEMBERS

inline virtual ~ACE_Proactor_Impl (void);

virtual int close (void) = 0;

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;

virtual int close_dispatch_threads (int wait) = 0;

virtual size_t number_of_threads (void) const = 0;

virtual void number_of_threads (size_t threads) = 0;

virtual ACE_HANDLE get_handle (void) const = 0;

= Factory methods for the operations virtual ACE_Asynch_Read_Stream_Impl *create_asynch_read_stream (
    void
    ) = 0;

virtual ACE_Asynch_Write_Stream_Impl *create_asynch_write_stream (
    void
    ) = 0;

virtual ACE_Asynch_Read_File_Impl *create_asynch_read_file (void) = 0;

virtual ACE_Asynch_Write_File_Impl *create_asynch_write_file (
    void
    ) = 0;

virtual ACE_Asynch_Accept_Impl *create_asynch_accept (void) = 0;

virtual ACE_Asynch_Transmit_File_Impl *create_asynch_transmit_file (
    void
    ) = 0;

= Factory methods for the results virtual ACE_Asynch_Read_Stream_Result_Impl *create_asynch_read_stream_result (
    ACE_Handler &handler,
    ACE_HANDLE handle,
    ACE_Message_Block &message_block,
    u_long bytes_to_read,
    const void* act,
    ACE_HANDLE event = ACE_INVALID_HANDLE,
    int priority = 0,
    int signal_number = ACE_SIGRTMIN
    ) = 0;

virtual ACE_Asynch_Write_Stream_Result_Impl *create_asynch_write_stream_result (
    ACE_Handler &handler,
    ACE_HANDLE handle,
    ACE_Message_Block &message_block,
    u_long bytes_to_write,
    const void* act,
    ACE_HANDLE event = ACE_INVALID_HANDLE,
    int priority = 0,
    int signal_number = ACE_SIGRTMIN
    ) = 0;

virtual ACE_Asynch_Read_File_Result_Impl *create_asynch_read_file_result (
    ACE_Handler &handler,
    ACE_HANDLE handle,
    ACE_Message_Block &message_block,
    u_long 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;

virtual ACE_Asynch_Write_File_Result_Impl *create_asynch_write_file_result (
    ACE_Handler &handler,
    ACE_HANDLE handle,
    ACE_Message_Block &message_block,
    u_long 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;

virtual ACE_Asynch_Accept_Result_Impl *create_asynch_accept_result (
    ACE_Handler &handler,
    ACE_HANDLE listen_handle,
    ACE_HANDLE accept_handle,
    ACE_Message_Block &message_block,
    u_long bytes_to_read,
    const void* act,
    ACE_HANDLE event = ACE_INVALID_HANDLE,
    int priority = 0,
    int signal_number = ACE_SIGRTMIN
    ) = 0;

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

virtual ACE_Asynch_Result_Impl *create_asynch_timer (
    ACE_Handler &handler,
    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;

AUTHOR

Alexander Babu Arulanthu alex@cs.wustl.edu

LIBRARY

ace