blob: a3fc3fad6e74e7074be7d9efbf6116b736304964 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
|
// -*- C++ -*-
//=============================================================================
/**
* @file ValueBase.h
*
* $Id$
*
* @author Torsten Kuepper <kuepper2@lfa.uni-wuppertal.de>
*/
//=============================================================================
#ifndef TAO_VALUEBASE_H
#define TAO_VALUEBASE_H
#include "ace/pre.h"
#include "tao/orbconf.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "tao/corbafwd.h"
#include "tao/Pseudo_Value_VarOut_T.h"
#include "ace/Basic_Types.h" /* for ptrdiff_t */
#include "ace/Synch_T.h"
namespace CORBA
{
class ValueBase;
TAO_NAMESPACE_INLINE_FUNCTION void add_ref (ValueBase *);
TAO_NAMESPACE_INLINE_FUNCTION void remove_ref (ValueBase *);
typedef TAO_Pseudo_Value_Var_T<ValueBase> ValueBase_var;
typedef TAO_Pseudo_Value_Out_T<ValueBase, ValueBase_var> ValueBase_out;
struct tao_ValueBase_life
{
static void tao_add_ref (ValueBase *);
static void tao_remove_ref (ValueBase *);
};
/**
* @class ValueBase
*
* @brief Abstract baseclass for Valuetypes
*
* @see CORBA 2.3 - Section 20.17.5
*/
class TAO_Export ValueBase
{
public:
typedef ValueBase* _ptr_type;
typedef ValueBase_var _var_type;
static ValueBase *_nil (void);
// reference counting
/// %! virtual CORBA::ValueBase* _copy_value (void) = 0;
virtual void _add_ref (void) = 0;
virtual void _remove_ref (void) = 0;
virtual CORBA::ULong _refcount_value (void) = 0;
// dynamic casting
static CORBA::ValueBase* _downcast (CORBA::ValueBase *);
/// Used in the implementation of CORBA::Any
static void _tao_any_destructor (void *);
/// TAO extension
virtual const char* _tao_obv_repository_id (void) const = 0;
// TAO internal --------------------------
/// Marshal a valuetype (see operator<< in tao_idl generated file
/// how it is called)
static CORBA::Boolean _tao_marshal (TAO_OutputCDR &strm,
ValueBase *_this,
ptrdiff_t formal_type_id = 0);
/// Unmarshal a valuetype, if formal type is a pointer to
/// ValueBase
static CORBA::Boolean _tao_unmarshal (TAO_InputCDR &strm,
ValueBase *&new_object);
// static CORBA::Boolean
// T::_tao_unmarshal (TAO_InputCDR &, ValueBase *&_this)
// is typespecific for valuetype T and generated from tao_idl
// Use this for unmarshaling.
/// Both used internally and are called from T::_tao_unmarshal ()
static CORBA::Boolean _tao_unmarshal_pre (TAO_InputCDR &strm,
ValueFactory &,
ValueBase *&,
const char * const repo_id);
CORBA::Boolean _tao_unmarshal_post (TAO_InputCDR &strm);
public: // otherwise these cannot be called from a static function
virtual void *_tao_obv_narrow (ptrdiff_t) = 0;
/// during marshal jump to the most derived part
virtual CORBA::Boolean _tao_marshal_v (TAO_OutputCDR &) = 0;
/// called after obtaining the fresh object from create_for_unmarshal ()
virtual CORBA::Boolean _tao_unmarshal_v (TAO_InputCDR &) = 0;
protected:
ValueBase (void);
ValueBase (const ValueBase&);
virtual ~ValueBase (void);
private:
ValueBase & operator= (const ValueBase &);
#ifdef SUN_CC_HAS_PVFC_BUG
// Need ugly fix for sun cc "pure virtual function called" bug.
private:
unsigned long tao_sun_cc_pvfc_bug_fix_;
#endif /* SUN_CC_HAS_PVFC_BUG */
}; // ValueBase
/**
* @class DefaultValueRefCountBase
*
* @brief Default mix-in for reference count of a valuetype.
*
* Default mix-in for reference count of a valuetype.
*/
class TAO_Export DefaultValueRefCountBase
: public virtual ValueBase
{
public:
virtual void _add_ref (void);
virtual void _remove_ref (void);
virtual CORBA::ULong _refcount_value (void);
/// The _tao variants are inline for fast access from T_var
/// (if valuetype T is compiled with optimization for that.) %! (todo)
void _tao_add_ref (void);
void _tao_remove_ref (void);
CORBA::ULong _tao_refcount_value (void);
protected:
DefaultValueRefCountBase (void);
DefaultValueRefCountBase (const DefaultValueRefCountBase&);
virtual ~DefaultValueRefCountBase ();
private:
void operator= (const DefaultValueRefCountBase &);
private: // data
CORBA::ULong _tao_reference_count_;
TAO_SYNCH_MUTEX _tao_reference_count_lock_;
}; // DefaultValueRefCountBase
// which lock has the lowest memory overhead ?
// %! todo refcountbase w/o locking (now memory overhead)
// $! todo: debug aids for refcounts
} // End CORBA namespace
/**
* @class TAO_OBV_GIOP_Flags
*
* @brief TAO_OBV_GIOP_Flags
*
* @see CORBA 2.3 -- Section 15.3.4
*/
class TAO_OBV_GIOP_Flags
{
public:
static const CORBA::ULong Value_tag_base;
static const CORBA::ULong Value_tag_sigbits;
static const CORBA::ULong Codebase_url;
static const CORBA::ULong Type_info_sigbits;
static const CORBA::ULong Type_info_none;
static const CORBA::ULong Type_info_single;
static const CORBA::ULong Type_info_list;
static CORBA::Boolean is_null_ref (CORBA::ULong);
static CORBA::Boolean is_value_tag (CORBA::ULong);
static CORBA::Boolean has_codebase_url (CORBA::ULong);
static CORBA::Boolean has_no_type_info (CORBA::ULong);
static CORBA::Boolean has_single_type_info (CORBA::ULong);
static CORBA::Boolean has_list_type_info (CORBA::ULong);
static CORBA::Boolean is_chunked (CORBA::ULong);
static CORBA::Boolean is_indirection_tag (CORBA::ULong);
static CORBA::Boolean is_indirection (CORBA::ULong);
static CORBA::Boolean is_block_size (CORBA::ULong);
static CORBA::Boolean is_end_tag (CORBA::ULong);
};
TAO_Export CORBA::Boolean
operator<< (TAO_OutputCDR&, const CORBA::ValueBase *);
TAO_Export CORBA::Boolean
operator>> (TAO_InputCDR&, CORBA::ValueBase *&);
#if defined (__ACE_INLINE__)
# include "tao/ValueBase.i"
#endif /* __ACE_INLINE__*/
#include "ace/post.h"
#endif /* TAO_VALUEBASE_H */
|
