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Diffstat (limited to 'ACE/ace/Asynch_IO_Impl.h')
-rw-r--r-- | ACE/ace/Asynch_IO_Impl.h | 816 |
1 files changed, 0 insertions, 816 deletions
diff --git a/ACE/ace/Asynch_IO_Impl.h b/ACE/ace/Asynch_IO_Impl.h deleted file mode 100644 index b2a308a7565..00000000000 --- a/ACE/ace/Asynch_IO_Impl.h +++ /dev/null @@ -1,816 +0,0 @@ -/* -*- C++ -*- */ - -//============================================================================= -/** - * @file Asynch_IO_Impl.h - * - * $Id$ - * - * - * This class contains asbtract base classes for all the concrete - * implementation classes for the various asynchronous operations - * that are used with the Praoctor. - * - * - * @author Irfan Pyarali (irfan@cs.wustl.edu) - * @author Tim Harrison (harrison@cs.wustl.edu) - * @author Alexander Babu Arulanthu <alex@cs.wustl.edu> - * @author Roger Tragin <r.tragin@computer.org> - * @author Alexander Libman <alibman@ihug.com.au> - */ -//============================================================================= - -#ifndef ACE_ASYNCH_IO_IMPL_H -#define ACE_ASYNCH_IO_IMPL_H -#include /**/ "ace/pre.h" - -#include /**/ "ace/config-all.h" - -#if !defined (ACE_LACKS_PRAGMA_ONCE) -#pragma once -#endif /* ACE_LACKS_PRAGMA_ONCE */ - -#if defined (ACE_HAS_WIN32_OVERLAPPED_IO) || defined (ACE_HAS_AIO_CALLS) -// This only works on Win32 platforms and on Unix platforms supporting -// aio calls. - -#include "ace/Asynch_IO.h" - -ACE_BEGIN_VERSIONED_NAMESPACE_DECL - -// Forward declaration. -class ACE_Proactor_Impl; - -/** - * @class ACE_Asynch_Result_Impl - * - * @brief Abstract base class for the all the classes that provide - * concrete implementations for ACE_Asynch_Result. - * - */ -class ACE_Export ACE_Asynch_Result_Impl -{ -public: - virtual ~ACE_Asynch_Result_Impl (void); - - /// Number of bytes transferred by the operation. - virtual size_t bytes_transferred (void) const = 0; - - /// ACT associated with the operation. - virtual const void *act (void) const = 0; - - /// Did the operation succeed? - virtual int success (void) const = 0; - - /// This ACT is not the same as the ACT associated with the - /// asynchronous operation. - virtual const void *completion_key (void) const = 0; - - /// Error value if the operation fail. - virtual u_long error (void) const = 0; - - /// Event associated with the OVERLAPPED structure. - virtual ACE_HANDLE event (void) const = 0; - - /// This really make sense only when doing file I/O. - virtual u_long offset (void) const = 0; - virtual u_long offset_high (void) const = 0; - - /// Priority of the operation. - virtual int priority (void) const = 0; - - /** - * POSIX4 real-time signal number to be used for the - * operation. <signal_number> ranges from SIGRTMIN to SIGRTMAX. By - * default, SIGRTMIN is used to issue <aio_> calls. This is a no-op - * on non-POSIX4 systems and returns 0. - */ - virtual int signal_number (void) const = 0; - - // protected: - // - // These two should really be protected. But sometimes it - // simplifies code to be able to "fake" a result. Use carefully. - /// This is called when the asynchronous operation completes. - virtual void complete (size_t bytes_transferred, - int success, - const void *completion_key, - u_long error = 0) = 0; - - /// Post @c this to the Proactor's completion port. - virtual int post_completion (ACE_Proactor_Impl *proactor) = 0; - -protected: - /// Do-nothing constructor. - ACE_Asynch_Result_Impl (void); -}; - -/** - * @class ACE_Asynch_Operation_Impl - * - * @brief Abstract base class for all the concrete implementation - * classes that provide different implementations for the - * ACE_Asynch_Operation. - */ -class ACE_Export ACE_Asynch_Operation_Impl -{ -public: - virtual ~ACE_Asynch_Operation_Impl (void); - - /** - * Initializes the factory with information which will be used with - * each asynchronous call. If @a handle == ACE_INVALID_HANDLE, - * ACE_Handler::handle() will be called on the proxied handler to get the - * correct handle. - */ - virtual int open (const ACE_Handler::Proxy_Ptr &handler_proxy, - ACE_HANDLE handle, - const void *completion_key, - ACE_Proactor *proactor) = 0; - - /** - * This cancels all pending accepts operations that were issued by - * the calling thread. The function does not cancel asynchronous - * operations issued by other threads. - */ - virtual int cancel (void) = 0; - - // = Access methods. - - /// Return the underlying proactor. - virtual ACE_Proactor* proactor (void) const = 0; - -protected: - /// Do-nothing constructor. - ACE_Asynch_Operation_Impl (void); -}; - -/** - * @class ACE_Asynch_Read_Stream_Impl - * - * @brief Abstract base class for all the concrete implementation - * classes that provide different implementations for the - * ACE_Asynch_Read_Stream - * - */ -class ACE_Export ACE_Asynch_Read_Stream_Impl : public virtual ACE_Asynch_Operation_Impl -{ -public: - virtual ~ACE_Asynch_Read_Stream_Impl (void); - - /// This starts off an asynchronous read. Upto @a bytes_to_read will - /// be read and stored in the @a message_block. - virtual int read (ACE_Message_Block &message_block, - size_t bytes_to_read, - const void *act, - int priority, - int signal_number) = 0; - -#if (defined (ACE_WIN32) && !defined (ACE_HAS_WINCE)) - /** - * Same as above but with scatter support, through chaining of composite - * message blocks using the continuation field. - */ - virtual int readv (ACE_Message_Block &message_block, - size_t bytes_to_read, - const void *act, - int priority, - int signal_number) = 0; -#endif /* (defined (ACE_WIN32) && !defined (ACE_HAS_WINCE)) */ - -protected: - /// Do-nothing constructor. - ACE_Asynch_Read_Stream_Impl (void); -}; - -/** - * @class ACE_Asynch_Read_Stream_Result_Impl - * - * @brief Abstract base class for all the concrete implementation - * classes that provide different implementations for the - * ACE_Asynch_Read_Stream::Result class. - * - */ -class ACE_Export ACE_Asynch_Read_Stream_Result_Impl : public virtual ACE_Asynch_Result_Impl -{ -public: - virtual ~ACE_Asynch_Read_Stream_Result_Impl (void); - - /// The number of bytes which were requested at the start of the - /// asynchronous read. - virtual size_t bytes_to_read (void) const = 0; - - /// Message block which contains the read data. - virtual ACE_Message_Block &message_block (void) const = 0; - - /// I/O handle used for reading. - virtual ACE_HANDLE handle (void) const = 0; - -protected: - /// Do-nothing constructor. - ACE_Asynch_Read_Stream_Result_Impl (void); -}; - -/** - * @class ACE_Asynch_Write_Stream_Impl - * - * @brief Abstract base class for all the concrete implementation - * classes that provide different implementations for the - * ACE_Asynch_Write_Stream class. - * - */ -class ACE_Export ACE_Asynch_Write_Stream_Impl : public virtual ACE_Asynch_Operation_Impl -{ -public: - virtual ~ACE_Asynch_Write_Stream_Impl (void); - - /// This starts off an asynchronous write. Upto @a bytes_to_write - /// will be written from the @a message_block. - virtual int write (ACE_Message_Block &message_block, - size_t bytes_to_write, - const void *act, - int priority, - int signal_number) = 0; - -#if (defined (ACE_WIN32) && !defined (ACE_HAS_WINCE)) - /** - * Same as above but with gather support, through chaining of composite - * message blocks using the continuation field. - */ - virtual int writev (ACE_Message_Block &message_block, - size_t bytes_to_write, - const void *act, - int priority, - int signal_number) = 0; -#endif /* (defined (ACE_WIN32) && !defined (ACE_HAS_WINCE)) */ - -protected: - /// Do-nothing constructor. - ACE_Asynch_Write_Stream_Impl (void); -}; - -/** - * @class ACE_Asynch_Write_Stream_Result_Impl - * - * @brief Abstract base class for all the concrete implementation - * classes that provide different implementations for the - * ACE_Asynch_Write_Stream::Result. - * - */ -class ACE_Export ACE_Asynch_Write_Stream_Result_Impl : public virtual ACE_Asynch_Result_Impl -{ -public: - virtual ~ACE_Asynch_Write_Stream_Result_Impl (void); - - /// The number of bytes which were requested at the start of the - /// asynchronous write. - virtual size_t bytes_to_write (void) const = 0; - - /// Message block that contains the data to be written. - virtual ACE_Message_Block &message_block (void) const = 0; - - /// I/O handle used for writing. - virtual ACE_HANDLE handle (void) const = 0; - -protected: - /// Do-nothing constructor. - ACE_Asynch_Write_Stream_Result_Impl (void); -}; - -/** - * @class ACE_Asynch_Read_File_Impl - * - * @brief Abstract base class for all the concrete implementation - * classes that provide different implementations for the - * ACE_Asynch_Read_File::Result. - * - */ -class ACE_Export ACE_Asynch_Read_File_Impl : public virtual ACE_Asynch_Read_Stream_Impl -{ -public: - virtual ~ACE_Asynch_Read_File_Impl (void); - - /** - * This starts off an asynchronous read. Upto @a bytes_to_read will - * be read and stored in the @a message_block. The read will start - * at @a offset from the beginning of the file. - */ - virtual int read (ACE_Message_Block &message_block, - size_t bytes_to_read, - u_long offset, - u_long offset_high, - const void *act, - int priority, - int signal_number) = 0; - -#if (defined (ACE_WIN32) && !defined (ACE_HAS_WINCE)) - /** - * Same as above but with scatter support, through chaining of composite - * message blocks using the continuation field. - * @note In win32 Each data block payload must be at least the size of a system - * memory page and must be aligned on a system memory page size boundary - */ - virtual int readv (ACE_Message_Block &message_block, - size_t bytes_to_read, - u_long offset, - u_long offset_high, - const void *act, - int priority, - int signal_number) = 0; -#endif /* (defined (ACE_WIN32) && !defined (ACE_HAS_WINCE)) */ - - /// This starts off an asynchronous read. Upto @a bytes_to_read will - /// be read and stored in the @a message_block. - virtual int read (ACE_Message_Block &message_block, - size_t bytes_to_read, - const void *act, - int priority, - int signal_number) = 0; - -#if (defined (ACE_WIN32) && !defined (ACE_HAS_WINCE)) - /** - * Same as above but with scatter support, through chaining of composite - * message blocks using the continuation field. - */ - virtual int readv (ACE_Message_Block &message_block, - size_t bytes_to_read, - const void *act, - int priority, - int signal_number) = 0; -#endif /* (defined (ACE_WIN32) && !defined (ACE_HAS_WINCE)) */ - -protected: - /// Do-nothing constructor. - ACE_Asynch_Read_File_Impl (void); -}; - -/** - * @class ACE_Asynch_Read_File_Result_Impl - * - * @brief This is the abstract base class for all the concrete - * implementation classes for ACE_Asynch_Read_File::Result. - * - */ -class ACE_Export ACE_Asynch_Read_File_Result_Impl : public virtual ACE_Asynch_Read_Stream_Result_Impl -{ -public: - /// Destructor. - virtual ~ACE_Asynch_Read_File_Result_Impl (void); - -protected: - /// Do-nothing constructor. - ACE_Asynch_Read_File_Result_Impl (void); -}; - -/** - * @class ACE_Asynch_Write_File_Impl - * - * @brief Abstract base class for all the concrete implementation - * classes that provide different implementations for the - * ACE_Asynch_Write_File. - * - */ -class ACE_Export ACE_Asynch_Write_File_Impl : public virtual ACE_Asynch_Write_Stream_Impl -{ -public: - virtual ~ACE_Asynch_Write_File_Impl (void); - - /** - * This starts off an asynchronous write. Upto @a bytes_to_write - * will be write and stored in the @a message_block. The write will - * start at @a offset from the beginning of the file. - */ - virtual int write (ACE_Message_Block &message_block, - size_t bytes_to_write, - u_long offset, - u_long offset_high, - const void *act, - int priority, - int signal_number) = 0; - -#if (defined (ACE_WIN32) && !defined (ACE_HAS_WINCE)) - /** - * Same as above but with gather support, through chaining of composite - * message blocks using the continuation field. - * @note In win32 Each data block payload must be at least the size of a system - * memory page and must be aligned on a system memory page size boundary - */ - virtual int writev (ACE_Message_Block &message_block, - size_t bytes_to_write, - u_long offset, - u_long offset_high, - const void *act, - int priority, - int signal_number) = 0; -#endif /* (defined (ACE_WIN32) && !defined (ACE_HAS_WINCE)) */ - - /// This starts off an asynchronous write. Upto @a bytes_to_write - /// will be written from the @a message_block. - virtual int write (ACE_Message_Block &message_block, - size_t bytes_to_write, - const void *act, - int priority, - int signal_number) = 0; - -#if (defined (ACE_WIN32) && !defined (ACE_HAS_WINCE)) - /** - * Same as above but with gather support, through chaining of composite - * message blocks using the continuation field. - */ - virtual int writev (ACE_Message_Block &message_block, - size_t bytes_to_write, - const void *act, - int priority, - int signal_number) = 0; -#endif /* (defined (ACE_WIN32) && !defined (ACE_HAS_WINCE)) */ - -protected: - /// Do-nothing constructor. - ACE_Asynch_Write_File_Impl (void); -}; - -/** - * @class ACE_Asynch_Write_File_Result_Impl - * - * @brief This is the abstract base class for all the concrete - * implementation classes that provide different implementations - * for the ACE_Asynch_Write_File::Result. - * - */ -class ACE_Export ACE_Asynch_Write_File_Result_Impl : public virtual ACE_Asynch_Write_Stream_Result_Impl -{ -public: - virtual ~ACE_Asynch_Write_File_Result_Impl (void); - -protected: - /// Do-nothing constructor. - ACE_Asynch_Write_File_Result_Impl (void); -}; - -/** - * @class ACE_Asynch_Accept_Impl - * - * @brief Abstract base class for all the concrete implementation - * classes that provide different implementations for the - * ACE_Asynch_Accept. - * - */ -class ACE_Export ACE_Asynch_Accept_Impl : public virtual ACE_Asynch_Operation_Impl -{ -public: - virtual ~ACE_Asynch_Accept_Impl (void); - - /** - * This starts off an asynchronous accept. The asynchronous accept - * call also allows any initial data to be returned to the - * <handler>. Upto @a bytes_to_read will be read and stored in the - * @a message_block. The @a accept_handle will be used for the - * <accept> call. If (@a accept_handle == INVALID_HANDLE), a new - * handle will be created. - * - * @a message_block must be specified. This is because the address of - * the new connection is placed at the end of this buffer. - */ - virtual int accept (ACE_Message_Block &message_block, - size_t bytes_to_read, - ACE_HANDLE accept_handle, - const void *act, - int priority, - int signal_number, - int addr_family) = 0; - -protected: - /// Do-nothing constructor. - ACE_Asynch_Accept_Impl (void); -}; - -/** - * @class ACE_Asynch_Accept_Result_Impl - * - * @brief Abstract base class for all the concrete implementation - * classes that provide different implementations for the - * ACE_Asynch_Accept. - * - */ -class ACE_Export ACE_Asynch_Accept_Result_Impl : public virtual ACE_Asynch_Result_Impl -{ -public: - virtual ~ACE_Asynch_Accept_Result_Impl (void); - - /// The number of bytes which were requested at the start of the - /// asynchronous accept. - virtual size_t bytes_to_read (void) const = 0; - - /// Message block which contains the read data. - virtual ACE_Message_Block &message_block (void) const = 0; - - /// I/O handle used for accepting new connections. - virtual ACE_HANDLE listen_handle (void) const = 0; - - /// I/O handle for the new connection. - virtual ACE_HANDLE accept_handle (void) const = 0; - -protected: - /// Do-nothing constructor. - ACE_Asynch_Accept_Result_Impl (void); -}; - - -/** - * @class ACE_Asynch_Connect_Impl - * - * @brief Abstract base class for all the concrete implementation - * classes that provide different implementations for the - * ACE_Asynch_Connect. - * - */ -class ACE_Export ACE_Asynch_Connect_Impl : public virtual ACE_Asynch_Operation_Impl -{ -public: - virtual ~ACE_Asynch_Connect_Impl (void); - - /** - * This starts off an asynchronous connect - */ - virtual int connect (ACE_HANDLE connect_handle, - const ACE_Addr & remote_sap, - const ACE_Addr & local_sap, - int reuse_addr, - const void *act, - int priority, - int signal_number) = 0; - -protected: - /// Do-nothing constructor. - ACE_Asynch_Connect_Impl (void); -}; - -/** - * @class ACE_Asynch_Connect_Result_Impl - * - * @brief Abstract base class for all the concrete implementation - * classes that provide different implementations for the - * ACE_Asynch_Connect. - * - */ -class ACE_Export ACE_Asynch_Connect_Result_Impl : public virtual ACE_Asynch_Result_Impl -{ -public: - virtual ~ACE_Asynch_Connect_Result_Impl (void); - - /// I/O handle for the connection. - virtual ACE_HANDLE connect_handle (void) const = 0; - -protected: - /// Do-nothing constructor. - ACE_Asynch_Connect_Result_Impl (void); -}; - - -/** - * @class ACE_Asynch_Transmit_File_Impl - * - * @brief Abstract base class for all the concrete implementation - * classes that provide different implementations for the - * ACE_Asynch_Transmit_File. - * - */ -class ACE_Asynch_Transmit_File_Impl : public virtual ACE_Asynch_Operation_Impl -{ -public: - virtual ~ACE_Asynch_Transmit_File_Impl (void); - - /// This starts off an asynchronous transmit file. - virtual int transmit_file (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, - int priority, - int signal_number) = 0; - -protected: - /// Do-nothing constructor. - ACE_Asynch_Transmit_File_Impl (void); -}; - -/** - * @class ACE_Asynch_Transmit_File_Result_Impl - * - * @brief Abstract base class for all the concrete implementation - * classes that provide different implementations for the - * ACE_Asynch_Transmit_File::Result. - * - */ -class ACE_Export ACE_Asynch_Transmit_File_Result_Impl : public virtual ACE_Asynch_Result_Impl -{ -public: - virtual ~ACE_Asynch_Transmit_File_Result_Impl (void); - - /// Socket used for transmitting the file. - virtual ACE_HANDLE socket (void) const = 0; - - /// File from which the data is read. - virtual ACE_HANDLE file (void) const = 0; - - /// Header and trailer data associated with this transmit file. - virtual ACE_Asynch_Transmit_File::Header_And_Trailer *header_and_trailer (void) const = 0; - - /// The number of bytes which were requested at the start of the - /// asynchronous transmit file. - virtual size_t bytes_to_write (void) const = 0; - - /// Number of bytes per send requested at the start of the transmit - /// file. - virtual size_t bytes_per_send (void) const = 0; - - /// Flags which were passed into transmit file. - virtual u_long flags (void) const = 0; - -protected: - /// Do-nothing constructor. - ACE_Asynch_Transmit_File_Result_Impl (void); -}; - - -/** - * @class ACE_Asynch_Read_Dgram_Impl - * - * @brief Abstract base class for all the concrete implementation - * classes that provide different implementations for the - * ACE_Asynch_Read_Dgram - * - */ -class ACE_Export ACE_Asynch_Read_Dgram_Impl : public virtual ACE_Asynch_Operation_Impl -{ -public: - virtual ~ACE_Asynch_Read_Dgram_Impl (void); - - /** This starts off an asynchronous read. Upto - * <message_block->total_size()> will be read and stored in the - * @a message_block. @a message_block's <wr_ptr> will be updated to reflect - * the added bytes if the read operation is successful completed. - * Return code of 1 means immediate success and <number_of_bytes_recvd> - * will contain number of bytes read. The <ACE_Handler::handle_read_dgram> - * method will still be called. Return code of 0 means the IO will - * complete proactively. Return code of -1 means there was an error, use - * errno to get the error code. - * - * Scatter/gather is supported on WIN32 by using the <message_block->cont()> - * method. Up to ACE_IOV_MAX @a message_block's are supported. Upto - * <message_block->size()> bytes will be read into each <message block> for - * a total of <message_block->total_size()> bytes. All @a message_block's - * <wr_ptr>'s will be updated to reflect the added bytes for each - * @a message_block - * - * Priority of the operation is specified by @a 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, @a priority is a no-op. - * @a signal_number is the POSIX4 real-time signal number to be used - * for the operation. @a signal_number ranges from ACE_SIGRTMIN to - * ACE_SIGRTMAX. This argument is a no-op on non-POSIX4 systems. - */ - virtual ssize_t recv (ACE_Message_Block *message_block, - size_t &number_of_bytes_recvd, - int flags, - int protocol_family, - const void *act, - int priority, - int signal_number) = 0; - -protected: - /// Do-nothing constructor. - ACE_Asynch_Read_Dgram_Impl (void); -}; - -/** - * @class ACE_Asynch_Read_Dgram_Result_Impl - * - * @brief Abstract base class for all the concrete implementation - * classes that provide different implementations for the - * ACE_Asynch_Read_Dgram::Result class. - * - */ -class ACE_Export ACE_Asynch_Read_Dgram_Result_Impl : public virtual ACE_Asynch_Result_Impl -{ -public: - virtual ~ACE_Asynch_Read_Dgram_Result_Impl (void); - - /// Message block which contains the read data - virtual ACE_Message_Block *message_block (void) const = 0; - - /// The number of bytes which were requested at the start of the - /// asynchronous read. - virtual size_t bytes_to_read (void) const = 0; - - /// The address of where the packet came from - virtual int remote_address (ACE_Addr& addr) const = 0; - - /// The flags used in the read - virtual int flags (void) const = 0; - - /// I/O handle used for reading. - virtual ACE_HANDLE handle (void) const = 0; - -protected: - /// Do-nothing constructor. - ACE_Asynch_Read_Dgram_Result_Impl (void); -}; - -/** - * @class ACE_Asynch_Write_Dgram_Impl - * - * @brief Abstract base class for all the concrete implementation - * classes that provide different implementations for the - * ACE_Asynch_Write_Dgram class. - * - */ -class ACE_Export ACE_Asynch_Write_Dgram_Impl : public virtual ACE_Asynch_Operation_Impl -{ -public: - virtual ~ACE_Asynch_Write_Dgram_Impl (void); - - /** This starts off an asynchronous send. Upto - * <message_block->total_length()> will be sent. @a message_block's - * <rd_ptr> will be updated to reflect the sent bytes if the send operation - * is successful completed. - * Return code of 1 means immediate success and <number_of_bytes_sent> - * is updated to number of bytes sent. The <ACE_Handler::handle_write_dgram> - * method will still be called. Return code of 0 means the IO will - * complete proactively. Return code of -1 means there was an error, use - * errno to get the error code. - * - * Scatter/gather is supported on WIN32 by using the <message_block->cont()> - * method. Up to ACE_IOV_MAX @a message_block's are supported. Upto - * <message_block->length()> bytes will be sent from each <message block> - * for a total of <message_block->total_length()> bytes. All - * @a message_block's <rd_ptr>'s will be updated to reflect the bytes sent - * from each @a message_block. - * - * Priority of the operation is specified by @a 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 argument is a no-op. - * @a signal_number is the POSIX4 real-time signal number to be used - * for the operation. @a signal_number ranges from ACE_SIGRTMIN to - * ACE_SIGRTMAX. This argument is a no-op on non-POSIX4 systems. - */ - virtual ssize_t send (ACE_Message_Block *message_block, - size_t &number_of_bytes_sent, - int flags, - const ACE_Addr &addr, - const void *act, - int priority, - int signal_number) = 0; - -protected: - /// Do-nothing constructor. - ACE_Asynch_Write_Dgram_Impl (void); -}; - -/** - * @class ACE_Asynch_Write_Dgram_Result_Impl - * - * @brief Abstract base class for all the concrete implementation - * classes that provide different implementations for the - * ACE_Asynch_Write_Dgram::Result class. - * - */ -class ACE_Export ACE_Asynch_Write_Dgram_Result_Impl : public virtual ACE_Asynch_Result_Impl -{ -public: - virtual ~ACE_Asynch_Write_Dgram_Result_Impl (void); - - /// The number of bytes which were requested at the start of the - /// asynchronous write. - virtual size_t bytes_to_write (void) const = 0; - - /// Message block which contains the sent data - virtual ACE_Message_Block *message_block (void) const = 0; - - /// The flags using in the write - virtual int flags (void) const = 0; - - /// I/O handle used for writing. - virtual ACE_HANDLE handle (void) const = 0; - -protected: - /// Do-nothing constructor. - ACE_Asynch_Write_Dgram_Result_Impl (void); -}; - -ACE_END_VERSIONED_NAMESPACE_DECL - -#if defined (__ACE_INLINE__) -#include "ace/Asynch_IO_Impl.inl" -#endif /* __ACE_INLINE__ */ - -#endif /* ACE_HAS_WIN32_OVERLAPPED_IO || ACE_HAS_AIO_CALLS */ -#include /**/ "ace/post.h" -#endif /* ACE_ASYNCH_IO_IMPL_H */ |