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
|
// StxxlWorkThread.cpp : implementation file
//
#include "stdafx.h"
#include "WinGUI.h"
#include "StxxlWorkThread.h"
#include ".\stxxlworkthread.h"
#include "WorkDialog.h"
#include "WinGUIDlg.h"
#include "UserTypes.h"
// CStxxlWorkThread
IMPLEMENT_DYNCREATE(CStxxlWorkThread, CWinThread)
CStxxlWorkThread::CStxxlWorkThread()
{ }
CStxxlWorkThread::~CStxxlWorkThread()
{ }
BOOL CStxxlWorkThread::InitInstance()
{
// TODO: perform and per-thread initialization here
return TRUE;
}
int CStxxlWorkThread::ExitInstance()
{
// TODO: perform any per-thread cleanup here
return CWinThread::ExitInstance();
}
BEGIN_MESSAGE_MAP(CStxxlWorkThread, CWinThread)
END_MESSAGE_MAP()
// CStxxlWorkThread message handlers
template <class T>
void CStxxlWorkThread::FillRandom(CString & path, LONGLONG filesize, T dummy)
{
stxxl::wincall_file myfile(LPCSTR(dlg->m_Filename), stxxl::file::CREAT |
stxxl::file::DIRECT | stxxl::file::RDWR);
stxxl::int64 vectorsize = dlg->m_Filesize * 4096 / sizeof(T);
stxxl::vector<T> myvector(&myfile);
myvector.resize(vectorsize);
stxxl::generate(myvector.begin(), myvector.end(), my_rnd(), 4);
}
template <class T>
void CStxxlWorkThread::FillValue(CString & path, LONGLONG filesize, int value, T dummy)
{
stxxl::wincall_file myfile(LPCSTR(dlg->m_Filename), stxxl::file::CREAT |
stxxl::file::DIRECT | stxxl::file::RDWR);
stxxl::int64 vectorsize = dlg->m_Filesize * 4096 / sizeof(T);
stxxl::vector<T> myvector(&myfile);
myvector.resize(vectorsize);
std::fill(myvector.begin(), myvector.end(), value);
}
template <class Cmp, class T>
void CStxxlWorkThread::Sort(CString & path, unsigned mem_usage, Cmp cmp, T dummy)
{
stxxl::wincall_file myfile(LPCSTR(dlg->m_Filename), stxxl::file::CREAT |
stxxl::file::DIRECT | stxxl::file::RDWR);
stxxl::vector<T> myvector(&myfile);
if ((myvector.size() * sizeof(T)) % 4096)
{
AfxMessageBox("File can not be sorted because it is accessed with direct I/O\n"
"and its size is not a multiple of 4KBytes.");
return;
}
stxxl::sort(myvector.begin(), myvector.end(), cmp, mem_usage * 1024 * 1024);
}
template <class Cmp, class T>
void CStxxlWorkThread::CheckOrder(CString & path, Cmp cmp, T dummy)
{
stxxl::wincall_file myfile(LPCSTR(dlg->m_Filename), stxxl::file::CREAT |
stxxl::file::DIRECT | stxxl::file::RDWR);
stxxl::vector<T> myvector(&myfile);
if ((myvector.size() * sizeof(T)) % 4096)
{
AfxMessageBox("File can not be sorted because it is accessed with direct I/O\n"
"and its size is not a multiple of 4KBytes.");
return;
}
bool sorted = stxxl::is_sorted(myvector.begin(), myvector.end(), cmp);
if (sorted)
AfxMessageBox("The file is sorted");
else
AfxMessageBox("The file is NOT sorted");
}
template <class T>
void CStxxlWorkThread::DelDuplicates(CString & path, unsigned mem_usage, T dummy)
{
stxxl::wincall_file myfile(LPCSTR(dlg->m_Filename), stxxl::file::CREAT |
stxxl::file::DIRECT | stxxl::file::RDWR);
stxxl::vector<T> myvector(&myfile);
if ((myvector.size() * sizeof(T)) % 4096)
{
AfxMessageBox("File can not be sorted because it is accessed with direct I/O\n"
"and its size is not a multiple of 4KBytes.");
return;
}
stxxl::sort(myvector.begin(), myvector.end(), LessCmp<T>(), mem_usage * 1024 * 1024);
std::unique(myvector.begin(), myvector.end());
}
int CStxxlWorkThread::Run()
{
// TODO: Add your specialized code here and/or call the base class
switch (taskid)
{
case FILL_RANDOM:
if (dlg->m_Format1)
FillRandom(dlg->m_Filename, dlg->m_Filesize, type2());
else
FillRandom(dlg->m_Filename, dlg->m_Filesize, type1());
break;
case FILL_VALUE:
if (dlg->m_Format1)
FillValue(dlg->m_Filename, dlg->m_Filesize, dlg->m_Key, type2());
else
FillValue(dlg->m_Filename, dlg->m_Filesize, dlg->m_Key, type1());
break;
case SORT_ASC:
if (dlg->m_Format1)
Sort(dlg->m_Filename, dlg->m_MemUsage, LessCmp<type2>(), type2());
else
Sort(dlg->m_Filename, dlg->m_MemUsage, LessCmp<type1>(), type1());
break;
case SORT_DESC:
if (dlg->m_Format1)
Sort(dlg->m_Filename, dlg->m_MemUsage, GreaterCmp<type2>(), type2());
else
Sort(dlg->m_Filename, dlg->m_MemUsage, GreaterCmp<type1>(), type1());
break;
case CHECK_ASC:
if (dlg->m_Format1)
CheckOrder(dlg->m_Filename, LessCmp<type2>(), type2());
else
CheckOrder(dlg->m_Filename, LessCmp<type1>(), type1());
break;
case CHECK_DESC:
if (dlg->m_Format1)
CheckOrder(dlg->m_Filename, GreaterCmp<type2>(), type2());
else
CheckOrder(dlg->m_Filename, GreaterCmp<type1>(), type1());
break;
case DEL_DUP:
if (dlg->m_Format1)
DelDuplicates(dlg->m_Filename, dlg->m_MemUsage, type2());
else
DelDuplicates(dlg->m_Filename, dlg->m_MemUsage, type1());
break;
default:
AfxMessageBox("Command not known or not implemented");
};
PostMessage(notifywindow->m_hWnd, WM_WORK_THREAD_FINISHED, 0, 0);
m_bAutoDelete = TRUE;
return CWinThread::Run();
}
CStxxlWorkThread::CStxxlWorkThread(int taskid_, CWinGUIDlg * dlg_, CWnd * notifywindow_) :
taskid(taskid_), dlg(dlg_), notifywindow(notifywindow_)
{ }
|
