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-rw-r--r--ace/Proactor_Impl.h236
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diff --git a/ace/Proactor_Impl.h b/ace/Proactor_Impl.h
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-/* -*- C++ -*- */
-
-//=============================================================================
-/**
- * @file Proactor_Impl.h
- *
- * $Id$
- *
- * @author Alexander Babu Arulanthu <alex@cs.wustl.edu>
- */
-//=============================================================================
-
-
-#ifndef ACE_PROACTOR_IMPL_H
-#define ACE_PROACTOR_IMPL_H
-#include "ace/pre.h"
-
-#include "ace/OS.h"
-
-#if ((defined (ACE_WIN32) && !defined (ACE_HAS_WINCE)) || (defined (ACE_HAS_AIO_CALLS)))
-// This only works on Win32 platforms and on Unix platforms supporting
-// aio calls.
-
-#include "ace/Asynch_IO.h"
-#include "ace/Reactor.h"
-
-/**
- * @class ACE_Proactor_Impl
- *
- * @brief 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.
- */
-class ACE_Export ACE_Proactor_Impl : public ACE_Event_Handler
-{
-
-public:
- /// Virtual destruction.
- virtual ~ACE_Proactor_Impl (void) {}
-
- /// Close the IO completion port.
- virtual int close (void) = 0;
-
- /// This method adds the <handle> to the I/O completion port. This
- /// function is a no-op function for Unix systems.
- virtual int register_handle (ACE_HANDLE handle,
- const void *completion_key) = 0;
-
- /**
- * 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.
- */
- virtual int handle_events (ACE_Time_Value &wait_time) = 0;
-
- /**
- * 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.
- */
- virtual int handle_events (void) = 0;
-
- /// Add wakeup dispatch threads (reinit).
- virtual int wake_up_dispatch_threads (void) = 0;
-
- /// Close all dispatch threads.
- virtual int close_dispatch_threads (int wait) = 0;
-
- /// Number of thread used as a parameter to CreatIoCompletionPort.
- virtual size_t number_of_threads (void) const = 0;
- virtual void number_of_threads (size_t threads) = 0;
-
- /// Get the event handle.
- virtual ACE_HANDLE get_handle (void) const = 0;
-
- //
- // = Factory methods for the operations
- //
- // Note that the user does not have to use or know about these
- // methods.
-
- /// Create the correct implementation class for doing Asynch_Read_Stream.
- virtual ACE_Asynch_Read_Stream_Impl *create_asynch_read_stream (void) = 0;
-
- /// Create the correct implementation class for doing Asynch_Write_Stream.
- virtual ACE_Asynch_Write_Stream_Impl *create_asynch_write_stream (void) = 0;
-
- /// Create the correct implementation class for doing Asynch_Read_File.
- virtual ACE_Asynch_Read_File_Impl *create_asynch_read_file (void) = 0;
-
- /// Create the correct implementation class for doing Asynch_Write_File.
- virtual ACE_Asynch_Write_File_Impl *create_asynch_write_file (void) = 0;
-
- /// Create the correct implementation class for doing Asynch_Accept.
- virtual ACE_Asynch_Accept_Impl *create_asynch_accept (void) = 0;
-
- /// Create the correct implementation class for doing Asynch_Transmit_File.
- virtual ACE_Asynch_Transmit_File_Impl *create_asynch_transmit_file (void) = 0;
-
- /// Create the correct implementation class for doing
- /// Asynch_Read_Dgram.
- virtual ACE_Asynch_Read_Dgram_Impl *create_asynch_read_dgram (void) = 0;
-
- /// Create the correct implementation class for doing
- /// Asynch_Write_Dgram.
- virtual ACE_Asynch_Write_Dgram_Impl *create_asynch_write_dgram (void) = 0;
-
- //
- // = Factory methods for the results
- //
- // Note that the user does not have to use or know about these
- // methods unless they want to "fake" results.
-
- /// Create the correct implementation class for ACE_Asynch_Read_Stream::Result class.
- 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;
-
- /// Create the correct implementation class for ACE_Asynch_Write_Stream::Result.
- 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;
-
- /// Create the correct implementation class for ACE_Asynch_Read_File::Result.
- 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;
-
- /// Create the correct implementation class for ACE_Asynch_Write_File::Result.
- 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;
-
- /// Create the correct implementation class for ACE_Asynch_Read_Dgram::Result.
- virtual ACE_Asynch_Read_Dgram_Result_Impl *create_asynch_read_dgram_result (ACE_Handler &handler,
- 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_Write_Dgram::Result.
- virtual ACE_Asynch_Write_Dgram_Result_Impl *create_asynch_write_dgram_result (ACE_Handler &handler,
- 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_Accept::Result.
- 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;
-
- /// Create the correct implementation class for ACE_Asynch_Transmit_File::Result.
- 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;
-
- /**
- * 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.
- */
- 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;
-
- /**
- * 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>.
- */
- virtual int post_wakeup_completions (int how_many) = 0;
-};
-
-#endif /* (ACE_WIN32 && ACE_HAS_WINCE) || ACE_HAS_AIO_CALLS */
-#include "ace/post.h"
-#endif /* ACE_PROACTOR_IMPL_H */
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