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
|
/*
* Copyright (C) 2015 Felix Geyer <debfx@fobos.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 or (at your option)
* version 3 of the License.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "FailDevice.h"
FailDevice::FailDevice(int failAfter, QObject* parent)
: QBuffer(parent)
, m_failAfter(failAfter)
, m_readCount(0)
, m_writeCount(0)
{
}
bool FailDevice::open(QIODevice::OpenMode openMode)
{
return QBuffer::open(openMode | QIODevice::Unbuffered);
}
qint64 FailDevice::readData(char* data, qint64 len)
{
if (m_readCount >= m_failAfter) {
setErrorString("FAILDEVICE");
return -1;
} else {
qint64 result = QBuffer::readData(data, len);
if (result != -1) {
m_readCount += result;
}
return result;
}
}
qint64 FailDevice::writeData(const char* data, qint64 len)
{
if (m_writeCount >= m_failAfter) {
setErrorString("FAILDEVICE");
return -1;
} else {
qint64 result = QBuffer::writeData(data, len);
if (result != -1) {
m_writeCount += result;
}
return result;
}
}
|
