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
|
#include <string>
#include "H5Include.h"
#include "H5RefCounter.h"
#include "H5Exception.h"
#include "H5IdComponent.h"
#include "H5PropList.h"
#include "H5DxferProp.h"
#ifndef H5_NO_NAMESPACE
namespace H5 {
#endif
const DSetMemXferPropList DSetMemXferPropList::DEFAULT( H5P_DEFAULT );
// Creates a dataset memory and transfer property list
DSetMemXferPropList::DSetMemXferPropList() : PropList( H5P_DATASET_XFER) {}
// Copy constructor: makes a copy of the original DSetMemXferPropList object;
DSetMemXferPropList::DSetMemXferPropList( const DSetMemXferPropList& orig ) : PropList( orig ) {}
// Sets type conversion and background buffers
void DSetMemXferPropList::setBuffer( size_t size, void* tconv, void* bkg ) const
{
herr_t ret_value = H5Pset_buffer( id, size, tconv, bkg );
if( ret_value < 0 )
{
throw PropListIException("DSetMemXferPropList::setBuffer",
"H5Pset_buffer failed");
}
}
// Reads buffer settings
size_t DSetMemXferPropList::getBuffer( void** tconv, void** bkg ) const
{
size_t buffer_size = H5Pget_buffer( id, tconv, bkg );
if( buffer_size == 0 )
{
throw PropListIException("DSetMemXferPropList::getBuffer",
"H5Pget_buffer returned 0 for buffer size - failure");
}
return( buffer_size );
}
// Sets the dataset transfer property list status to TRUE or FALSE
void DSetMemXferPropList::setPreserve( bool status ) const
{
herr_t ret_value = H5Pset_preserve( id, (hbool_t) status );
if( ret_value < 0 )
{
throw PropListIException("DSetMemXferPropList::setPreserve",
"H5Pset_preserve failed");
}
}
// Checks status of the dataset transfer property list
bool DSetMemXferPropList::getPreserve() const
{
int ret_value = H5Pget_preserve( id );
if( ret_value > 0 )
return true;
else if( ret_value == 0 )
return false;
else
{
throw PropListIException("DSetMemXferPropList::getPreserve",
"H5Pget_preserve returned negative value for status");
}
}
// Indicates whether to cache hyperslab blocks during I/O
void DSetMemXferPropList::setHyperCache( bool cache, unsigned limit ) const
{
herr_t ret_value = H5Pset_hyper_cache( id, cache, limit );
if( ret_value < 0 )
{
throw PropListIException("DSetMemXferPropList::setHyperCache",
"H5Pset_hyper_cache failed");
}
}
// Returns information regarding the caching of hyperslab blocks during I/O
void DSetMemXferPropList::getHyperCache( bool& cache, unsigned& limit ) const
{
unsigned temp_cache; // C routine takes hid_t, unsigned*, unsigned*
herr_t ret_value = H5Pget_hyper_cache( id, &temp_cache, &limit );
if( ret_value < 0 )
{
throw PropListIException("DSetMemXferPropList::getHyperCache",
"H5Pget_hyper_cache failed");
}
if( temp_cache > 0 )
cache = true;
else
cache = false;
}
// Sets B-tree split ratios for a dataset transfer property list
void DSetMemXferPropList::setBtreeRatios( double left, double middle, double right ) const
{
herr_t ret_value = H5Pset_btree_ratios( id, left, middle, right );
if( ret_value < 0 )
{
throw PropListIException("DSetMemXferPropList::setBtreeRatios",
"H5Pset_btree_ratios failed");
}
}
// Gets B-tree split ratios for a dataset transfer property list
void DSetMemXferPropList::getBtreeRatios( double& left, double& middle, double& right ) const
{
herr_t ret_value = H5Pget_btree_ratios( id, &left, &middle, &right );
if( ret_value < 0 )
{
throw PropListIException("DSetMemXferPropList::getBtreeRatios",
"H5Pget_btree_ratios failed");
}
}
// Sets the memory manager for variable-length datatype allocation
void DSetMemXferPropList::setVlenMemManager( H5MM_allocate_t alloc_func, void* alloc_info, H5MM_free_t free_func, void* free_info ) const
{
herr_t ret_value = H5Pset_vlen_mem_manager( id, alloc_func, alloc_info,
free_func, free_info );
if( ret_value < 0 )
{
throw PropListIException("DSetMemXferPropList::setVlenMemManager",
"H5Pset_vlen_mem_manager failed");
}
}
// alloc_func and free_func are set to NULL, indicating that system malloc and
// free are to be used
void DSetMemXferPropList::setVlenMemManager() const
{
setVlenMemManager( NULL, NULL, NULL, NULL );
//herr_t ret_value = H5Pset_vlen_mem_manager( id, NULL, NULL, NULL, NULL );
//if( ret_value < 0 )
//{
//throw PropListIException("DSetMemXferPropList::setVlenMemManager",
//"H5Pset_vlen_mem_manager failed");
//}
}
// Gets the memory manager for variable-length datatype allocation
void DSetMemXferPropList::getVlenMemManager( H5MM_allocate_t& alloc_func, void** alloc_info, H5MM_free_t& free_func, void** free_info ) const
{
herr_t ret_value = H5Pget_vlen_mem_manager( id, &alloc_func, alloc_info, &free_func, free_info );
if( ret_value < 0 )
{
throw PropListIException("DSetMemXferPropList::getVlenMemManager",
"H5Pget_vlen_mem_manager failed");
}
}
/* this function is in parallel mode only - not supported at this time.
// Sets the transfer mode
void DSetMemXferPropList::setXfer( H5D_transfer_t data_xfer_mode = H5D_XFER_INDEPENDENT ) const
{
herr_t ret_value = H5Pset_xfer( ... );
if( ret_value < 0 )
{
throw PropListIException("DSetMemXferPropList::setXfer",
"H5Pset_xfer failed");
}
}
// this function is in parallel mode only - not supported at this time.
// Gets the transfer mode
H5D_transfer_t DSetMemXferPropList::getXfer() const
{
H5D_transfer_t xfer = H5Pget_xfer( id );
// BMR - need to find out what the value is for ?? when this function
// is supported
if( xfer == ?? )
{
throw PropListIException("DSetMemXferPropList::getXfer",
"H5Pget_xfer failed");
}
return( xfer );
}
*/
// Default destructor
DSetMemXferPropList::~DSetMemXferPropList() {}
#ifndef H5_NO_NAMESPACE
} // end namespace
#endif
|