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-rw-r--r--apps/JAWS2/JAWS/IO.h252
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diff --git a/apps/JAWS2/JAWS/IO.h b/apps/JAWS2/JAWS/IO.h
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-/* -*- c++ -*- */
-// Hey, Emacs! This is a C++ file!
-// $Id$
-
-// ============================================================================
-//
-// = LIBRARY
-// jaws
-//
-// = FILENAME
-// IO.h
-//
-// = AUTHOR
-// James Hu
-//
-// ============================================================================
-
-#ifndef JAWS_IO_H
-#define JAWS_IO_H
-
-class ACE_Message_Block;
-class JAWS_IO_Handler;
-class JAWS_IO_Acceptor;
-
-#include "ace/ACE.h"
-
-#if !defined (ACE_LACKS_PRAGMA_ONCE)
-# pragma once
-#endif /* ACE_LACKS_PRAGMA_ONCE */
-
-#include "ace/Asynch_IO.h"
-#include "ace/SOCK_Stream.h"
-#include "ace/Singleton.h"
-
-#include "JAWS/Export.h"
-
-class JAWS_Export JAWS_IO
- // = TITLE
- //
- // This class defines the abstract interface for an I/O class in
- // the context of Web-likes servers
- //
- // = DESCRIPTION
- //
- // An I/O class should have the following interface. Derived
- // classes will define the exactly how the I/O will take place
- // (Asynchronous, Synchronous, Reactive)
-{
-public:
- JAWS_IO (void);
- virtual ~JAWS_IO (void);
-
- // void acceptor (JAWS_IO_Acceptor *acceptor);
- // void handler (JAWS_IO_Handler *handler);
- // void handle (ACE_HANDLE h);
- // ACE_HANDLE handle (void);
-
- // James, please add documentation here.
-
- virtual void accept (JAWS_IO_Handler *ioh,
- ACE_Message_Block *mb = 0,
- unsigned int size = 0) = 0;
- // accept a passive connection
-
- virtual void read (JAWS_IO_Handler *ioh,
- ACE_Message_Block *mb,
- unsigned int size) = 0;
- // read from the handle size bytes into the message block.
-
- virtual void transmit_file (JAWS_IO_Handler *ioh,
- ACE_HANDLE file,
- const char *header,
- unsigned int header_size,
- const char *trailer,
- unsigned int trailer_size) = 0;
- // send header, filename, trailer to the handle.
-
- virtual void transmit_file (JAWS_IO_Handler *ioh,
- const char *filename,
- const char *header,
- unsigned int header_size,
- const char *trailer,
- unsigned int trailer_size) = 0;
- // send header, filename, trailer to the handle.
-
- virtual void receive_file (JAWS_IO_Handler *ioh,
- const char *filename,
- void *initial_data,
- unsigned int initial_data_length,
- unsigned int entire_length) = 0;
- // read data from the handle and store in filename.
-
- virtual void send_confirmation_message (JAWS_IO_Handler *ioh,
- const char *buffer,
- unsigned int length) = 0;
- // send a confirmation message to the handle.
-
- virtual void send_error_message (JAWS_IO_Handler *ioh,
- const char *buffer,
- unsigned int length) = 0;
- // send an error message to the handle.
-
-protected:
- ACE_HANDLE handle_;
- JAWS_IO_Handler *handler_;
- ACE_INET_Addr *inet_addr_;
- JAWS_IO_Acceptor *acceptor_;
-};
-
-class JAWS_Export JAWS_Synch_IO : public JAWS_IO
- // = TITLE
- //
- // This class defines the interface for a Synchronous I/O class.
- //
- // = DESCRIPTION
-{
-public:
- JAWS_Synch_IO (void);
-
- virtual ~JAWS_Synch_IO (void);
-
- virtual void accept (JAWS_IO_Handler *ioh,
- ACE_Message_Block *mb = 0,
- unsigned int size = 0);
-
- virtual void read (JAWS_IO_Handler *ioh,
- ACE_Message_Block *mb,
- unsigned int size);
-
- virtual void transmit_file (JAWS_IO_Handler *ioh,
- ACE_HANDLE handle,
- const char *header,
- unsigned int header_size,
- const char *trailer,
- unsigned int trailer_size);
-
- virtual void transmit_file (JAWS_IO_Handler *ioh,
- const char *filename,
- const char *header,
- unsigned int header_size,
- const char *trailer,
- unsigned int trailer_size);
-
- virtual void receive_file (JAWS_IO_Handler *ioh,
- const char *filename,
- void *initial_data,
- unsigned int initial_data_length,
- unsigned int entire_length);
-
- virtual void send_confirmation_message (JAWS_IO_Handler *ioh,
- const char *buffer,
- unsigned int length);
-
- virtual void send_error_message (JAWS_IO_Handler *ioh,
- const char *buffer,
- unsigned int length);
-
-protected:
- virtual void send_message (JAWS_IO_Handler *ioh,
- const char *buffer,
- unsigned int length);
-};
-
-typedef ACE_Singleton<JAWS_Synch_IO, ACE_SYNCH_MUTEX>
- JAWS_Synch_IO_Singleton;
-
-// This only works on Win32
-#if defined (ACE_WIN32) || defined (ACE_HAS_AIO_CALLS)
-
-class JAWS_Export JAWS_Asynch_IO : public JAWS_IO
- // = TITLE
- //
- // This class defines the interface for a Asynchronous I/O class.
- //
- // = DESCRIPTION
-{
-public:
- JAWS_Asynch_IO (void);
-
- virtual ~JAWS_Asynch_IO (void);
-
- virtual void accept (JAWS_IO_Handler *ioh,
- ACE_Message_Block *mb = 0,
- unsigned int size = 0);
-
- virtual void read (JAWS_IO_Handler *ioh,
- ACE_Message_Block *mb,
- unsigned int size);
-
- virtual void transmit_file (JAWS_IO_Handler *ioh,
- ACE_HANDLE handle,
- const char *header,
- unsigned int header_size,
- const char *trailer,
- unsigned int trailer_size);
-
- virtual void transmit_file (JAWS_IO_Handler *ioh,
- const char *filename,
- const char *header,
- unsigned int header_size,
- const char *trailer,
- unsigned int trailer_size);
-
- virtual void receive_file (JAWS_IO_Handler *ioh,
- const char *filename,
- void *initial_data,
- unsigned int initial_data_length,
- unsigned int entire_length);
-
- virtual void send_confirmation_message (JAWS_IO_Handler *ioh,
- const char *buffer,
- unsigned int length);
-
- virtual void send_error_message (JAWS_IO_Handler *ioh,
- const char *buffer,
- unsigned int length);
-
- enum Message_Types
- {
- CONFORMATION,
- CONFIRMATION = CONFORMATION,
- ERROR_MESSAGE
- };
-
-protected:
-
- virtual void send_message (JAWS_IO_Handler *ioh,
- const char *buffer,
- unsigned int length,
- int act);
-};
-
-typedef ACE_Singleton<JAWS_Asynch_IO, ACE_SYNCH_MUTEX>
- JAWS_Asynch_IO_Singleton;
-
-class JAWS_Export JAWS_Asynch2_IO : public JAWS_Asynch_IO
-{
- // This version of Asynch_IO has a do nothing accept() implementation.
-public:
- virtual void accept (JAWS_IO_Handler *ioh,
- ACE_Message_Block *mb = 0,
- unsigned int size = 0);
- // does nothing
-
-};
-
-typedef ACE_Singleton<JAWS_Asynch2_IO, ACE_SYNCH_MUTEX>
- JAWS_Asynch2_IO_Singleton;
-
-#endif /* ACE_WIN32 */
-
-#endif /* JAWS_IO_H */
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