ACE/protocols/ace/INet/StreamInterceptor.h

   1 /**
   2  * @file StreamInterceptor.h
   3  *
   4  * @author Martin Corino <mcorino@remedy.nl>
   5  */
   6
   7 #ifndef ACE_IOS_STREAM_INTERCEPTOR_H
   8 #define ACE_IOS_STREAM_INTERCEPTOR_H
   9
  10 #include /**/ "ace/pre.h"
  11
  12 #include /**/ "ace/config-all.h"
  13
  14 #if !defined (ACE_LACKS_PRAGMA_ONCE)
  15 # pragma once
  16 #endif /* ACE_LACKS_PRAGMA_ONCE */
  17
  18 #include "ace/INet/INet_Export.h"
  19 #include <iosfwd>
  20 #include <ios>
  21
  22 ACE_BEGIN_VERSIONED_NAMESPACE_DECL
  23
  24 namespace ACE
  25   {
  26     namespace IOS
  27       {
  28         /**
  29         * @class ACE_IOS_StreamInterceptorBase
  30         *
  31         * @brief Abstract base for stream interceptors.
  32         *
  33         */
  34         template <class ACE_CHAR_T, class TR = std::char_traits<ACE_CHAR_T> >
  35         class StreamInterceptorBase
  36           {
  37             public:
  38               typedef std::basic_ios<ACE_CHAR_T, TR> ios_type;
  39               typedef ACE_CHAR_T char_type;
  40               typedef typename ios_type::openmode openmode;
  41
  42               virtual ~StreamInterceptorBase ();
  43             protected:
  44               StreamInterceptorBase ();
  45
  46             public:
  47               virtual void before_write (const char_type* buffer,
  48                                          std::streamsize length_to_write);
  49               virtual void after_write (int length_written);
  50               virtual void before_read (std::streamsize length_to_read);
  51               virtual void after_read (const char_type* buffer,
  52                                        int length_read);
  53               virtual void on_eof ();
  54           };
  55
  56         typedef StreamInterceptorBase<char> StreamInterceptor;
  57       }
  58   }
  59
  60 ACE_END_VERSIONED_NAMESPACE_DECL
  61
  62 #include "ace/INet/StreamInterceptor.cpp"
  63
  64 #include /**/ "ace/post.h"
  65 #endif /* ACE_IOS_STREAM_INTERCEPTOR_H */