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// -*- C++ -*-
//=============================================================================
/**
* @file ZIOP.h
*
* $Id$
*
* Dynamic loader object for the ZIOP library
*
*
* @author Johnny Willemsen <jwillemsen@remedy.nl>
*/
//=============================================================================
#ifndef TAO_ZIOP_H
#define TAO_ZIOP_H
#include /**/ "ace/pre.h"
#include "tao/ZIOP/ziop_export.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "tao/PI/PI.h"
#include "tao/ZIOP_Adapter.h"
#include "tao/Compression/Compression.h"
#include "tao/Policy_Validator.h"
#include "ace/Service_Config.h"
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
/**
* @class TAO_ZIOP_Loader
*
* @brief Class that loads the BiDir library.
*/
class TAO_ZIOP_Export TAO_ZIOP_Loader : public TAO_ZIOP_Adapter
{
public:
/// Constructor
TAO_ZIOP_Loader (void);
/// Destructor
virtual ~TAO_ZIOP_Loader (void);
virtual bool decompress (ACE_Data_Block **db, TAO_Queued_Data& qd, TAO_ORB_Core& orb_core);
// Compress the @a stream. Starting point of the compression is rd_ptr()
virtual bool marshal_data (TAO_OutputCDR& cdr, TAO_Stub& stub);
virtual bool marshal_data (TAO_OutputCDR& cdr, TAO_ORB_Core& orb_core);
/// Initialize the BiDIR loader hooks.
virtual int init (int argc, ACE_TCHAR* []);
virtual void load_policy_validators (TAO_Policy_Validator &validator);
/// Used to force the initialization of the ORB code.
static int Initializer (void);
private:
/// Flag to indicate whether the ZIOP library has been
/// activated.
static bool is_activated_;
/// Get the compression low value, returns 0 when it is not set
CORBA::ULong compression_policy_value (CORBA::Policy_ptr policy) const;
bool get_compressor_details (
::Compression::CompressorIdLevelList *list,
Compression::CompressorId &compressor_id,
Compression::CompressionLevel &compression_level);
bool get_compression_details(CORBA::Policy_ptr compression_enabling_policy,
CORBA::Policy_ptr compression_level_list_policy,
Compression::CompressorId &compressor_id,
Compression::CompressionLevel &compression_level);
void complete_compression (Compression::Compressor_ptr compressor,
TAO_OutputCDR &cdr,
ACE_Message_Block& mb,
char *initial_rd_ptr,
CORBA::ULong low_value,
CORBA::Long min_ratio,
CORBA::ULong original_data_length,
Compression::CompressorId compressor_id);
bool compress_data (TAO_OutputCDR &cdr,
CORBA::Object_ptr compression_manager,
CORBA::ULong low_value,
CORBA::Long min_ratio,
::Compression::CompressorId compressor_id,
::Compression::CompressionLevel compression_level);
bool compress (Compression::Compressor_ptr compressor,
const ::Compression::Buffer &source,
::Compression::Buffer &target);
bool decompress (Compression::Compressor_ptr compressor,
const ::Compression::Buffer &source,
::Compression::Buffer &target);
bool check_min_ratio (::Compression::CompressionRatio ratio,
CORBA::Long min_ratio) const;
};
static int
TAO_Requires_ZIOP_Initializer = TAO_ZIOP_Loader::Initializer ();
ACE_STATIC_SVC_DECLARE (TAO_ZIOP_Loader)
ACE_FACTORY_DECLARE (TAO_ZIOP, TAO_ZIOP_Loader)
TAO_END_VERSIONED_NAMESPACE_DECL
#define TAO_ZIOP_SAFE_INCLUDE
#include "tao/ZIOP/ZIOPC.h"
#undef TAO_ZIOP_SAFE_INCLUDE
#include /**/ "ace/post.h"
#endif /* TAO_ZIOP_H */
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