TAO/tao/Compression/Base_Compressor.h

   1 // -*- C++ -*-
   2
   3 // ===================================================================
   4 /**
   5  *  @file   Base_Compressor.h
   6  *
   7  *  @author Johnny Willemsen  <jwillemsen@remedy.nl>
   8  */
   9 // ===================================================================
  10
  11 #ifndef TAO_BASE_COMPRESSOR_H
  12 #define TAO_BASE_COMPRESSOR_H
  13
  14 #include /**/ "ace/pre.h"
  15
  16 #include "tao/Compression/compression_export.h"
  17
  18 #if !defined (ACE_LACKS_PRAGMA_ONCE)
  19 # pragma once
  20 #endif /* ACE_LACKS_PRAGMA_ONCE */
  21
  22 #include "tao/Compression/Compression.h"
  23 #include "tao/LocalObject.h"
  24
  25 TAO_BEGIN_VERSIONED_NAMESPACE_DECL
  26
  27 namespace TAO
  28 {
  29   /**
  30    * This class is a helper to implement real compressors
  31    */
  32   class TAO_Compression_Export BaseCompressor :
  33     public virtual ::Compression::Compressor,
  34     public virtual ::CORBA::LocalObject
  35   {
  36   public:
  37     BaseCompressor (::Compression::CompressorFactory_ptr compressor_factory,
  38                     ::Compression::CompressionLevel compression_level);
  39
  40     virtual void compress (const ::Compression::Buffer &source,
  41                            ::Compression::Buffer &target) = 0;
  42
  43     virtual void decompress (const ::Compression::Buffer &source,
  44                              ::Compression::Buffer &target) = 0;
  45
  46     virtual ::Compression::CompressorFactory_ptr compressor_factory ();
  47
  48     virtual ::Compression::CompressionLevel compression_level ();
  49
  50     virtual ::CORBA::ULongLong compressed_bytes ();
  51
  52     virtual ::CORBA::ULongLong uncompressed_bytes ();
  53
  54     virtual ::Compression::CompressionRatio compression_ratio ();
  55
  56   protected:
  57     void update_stats (::CORBA::ULongLong uncompressed_bytes,
  58                        ::CORBA::ULongLong compressed_bytes);
  59
  60     TAO_SYNCH_MUTEX mutex_;
  61     ::Compression::CompressionLevel compression_level_;
  62     ::Compression::CompressorFactory *compressor_factory_;
  63     ::CORBA::ULongLong compressed_bytes_;
  64     ::CORBA::ULongLong uncompressed_bytes_;
  65   };
  66 }
  67
  68 TAO_END_VERSIONED_NAMESPACE_DECL
  69
  70 #include /**/ "ace/post.h"
  71
  72 #endif /* TAO_BASE_COMPRESSOR_H */
  73