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
|
//# StorageOption.cc: Options defining how table files are organized
//# Copyright (C) 2014
//# Associated Universities, Inc. Washington DC, USA.
//#
//# This library is free software; you can redistribute it and/or modify it
//# under the terms of the GNU Library General Public License as published by
//# the Free Software Foundation; either version 2 of the License, or (at your
//# option) any later version.
//#
//# This library is distributed in the hope that it will be useful, but WITHOUT
//# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
//# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
//# License for more details.
//#
//# You should have receied a copy of the GNU Library General Public License
//# along with this library; if not, write to the Free Software Foundation,
//# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
//#
//# Correspondence concerning AIPS++ should be addressed as follows:
//# Internet email: aips2-request@nrao.edu.
//# Postal address: AIPS++ Project Office
//# National Radio Astronomy Observatory
//# 520 Edgemont Road
//# Charlottesville, VA 22903-2475 USA
//#
//# $Id: StorageOption.cc 21154 2011-12-02 07:19:09Z gervandiepen $
#include <casacore/tables/Tables/StorageOption.h>
#include <casacore/casa/System/AipsrcValue.h>
namespace casacore { //# NAMESPACE CASACORE - BEGIN
StorageOption::StorageOption (StorageOption::Option option, Int blockSize,
Int useODirect)
: itsOption (option),
itsBlockSize (blockSize),
itsUseODirect (useODirect>0),
itsUseAipsrcODirect (useODirect<0)
{}
void StorageOption::fillOption()
{
// Get variables from aipsrc if needed.
if (itsOption == StorageOption::Aipsrc) {
String opt;
AipsrcValue<String>::find (opt, "table.storage.option", "default");
opt.downcase();
if (opt == "multifile") {
itsOption = StorageOption::MultiFile;
} else if (opt == "multihdf5") {
itsOption = StorageOption::MultiHDF5;
} else if (opt == "sepfile") {
itsOption = StorageOption::SepFile;
} else {
itsOption = StorageOption::Default;
}
}
// Default block size is 4MB.
if (itsBlockSize <= -2) {
AipsrcValue<Int>::find (itsBlockSize, "table.storage.blocksize", 0);
}
if (itsBlockSize <= 0) {
itsBlockSize = 4*1024*1024;
}
// Default O_DIRECT support is False.
if (itsUseAipsrcODirect) {
AipsrcValue<Bool>::find (itsUseODirect, "table.storage.odirect", False);
}
// Default is to use separate files.
if (itsOption == StorageOption::Default) {
itsOption = StorageOption::SepFile;
}
}
void StorageOption::setUseODirect (Bool useODirect)
{
itsUseODirect = useODirect;
itsUseAipsrcODirect = False;
}
} //# NAMESPACE CASACORE - END
|
