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
|
/*=========================================================================
Program: Visualization Toolkit
Module: ADIOSReader.h
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
// .NAME ADIOSReader - The utility class performing ADIOS read operations
#ifndef _ADIOSReader_h
#define _ADIOSReader_h
#include <stdexcept>
#include <string>
#include <vector>
#include <adios_mpi.h>
#include "ADIOSAttribute.h"
#include "ADIOSDefs.h"
#include "ADIOSScalar.h"
#include "ADIOSVarInfo.h"
namespace ADIOS
{
class Reader
{
public:
static bool SetCommunicator(MPI_Comm);
static bool SetReadMethod(ReadMethod, const std::string&);
Reader();
~Reader();
// Description:
// Open the ADIOS file and cache the variable names and scalar data
void Open(const std::string &fileName);
// Description:
// Close an already open file handle and free it's resources
void Close();
// Description:
// Retrieve the total number of seps
void GetStepRange(int &tStart, int &tEnd) const;
// Description:
// Retrieve a list of attributes
const std::vector<const Attribute*>& GetAttributes() const;
// Description:
// Retrieve a list of scalars and thier associated metadata
const std::vector<const Scalar*>& GetScalars() const;
// Description:
// Retrieve a list of arrays and thier associated metadata
const std::vector<const VarInfo*>& GetArrays() const;
// Description:
// Schedule array data to be read. Data will be read with ReadArrays.
// step specified the time step index to read and block specifies the
// write block index to read (-1 means use whatever your current mpi rank is)
void ScheduleReadArray(int id, void *data, int step, int block);
// Description:
// Perform all scheduled array read operations
void ReadArrays();
// Description:
// Whether or not the file / stream is already open
bool IsOpen() const;
private:
// Initialization context to manage one-time init and finalize of ADIOS
struct InitContext;
InitContext *Ctx;
// ADIOS specific implementation details (file handles, group sizes, etc.)
struct ReaderImpl;
ReaderImpl *Impl;
};
} // End anmespace ADIOS
#endif
// VTK-HeaderTest-Exclude: ADIOSReader.h
|
