summaryrefslogtreecommitdiffstats
path: root/src/corelib/io/qfilesystemwatcher_dnotify_p.h
blob: 9531a3e81bfa54a06673589149d1a2a265f77fe2 (plain)
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
/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights.  These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QFILESYSTEMWATCHER_DNOTIFY_P_H
#define QFILESYSTEMWATCHER_DNOTIFY_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists for the convenience
// of the QLibrary class.  This header file may change from
// version to version without notice, or even be removed.
//
// We mean it.
//

#include "qfilesystemwatcher_p.h"

#ifndef QT_NO_FILESYSTEMWATCHER

#include <qmutex.h>
#include <qhash.h>
#include <qdatetime.h>
#include <qfile.h>

QT_BEGIN_NAMESPACE

class QDnotifyFileSystemWatcherEngine : public QFileSystemWatcherEngine
{
    Q_OBJECT

public:
    virtual ~QDnotifyFileSystemWatcherEngine();

    static QDnotifyFileSystemWatcherEngine *create();

    void run();

    QStringList addPaths(const QStringList &paths, QStringList *files, QStringList *directories);
    QStringList removePaths(const QStringList &paths, QStringList *files, QStringList *directories);

    void stop();

private Q_SLOTS:
    void refresh(int);

private:
    struct Directory {
        Directory() : fd(0), parentFd(0), isMonitored(false) {}
        Directory(const Directory &o) : path(o.path),
                                        fd(o.fd),
                                        parentFd(o.parentFd),
                                        isMonitored(o.isMonitored),
                                        files(o.files) {}
        QString path;
        int fd;
        int parentFd;
        bool isMonitored;

        struct File {
            File() : ownerId(0u), groupId(0u), permissions(0u) { }
            File(const File &o) : path(o.path),
                                  ownerId(o.ownerId),
                                  groupId(o.groupId),
                                  permissions(o.permissions),
                                  lastWrite(o.lastWrite) {}
            QString path;

            bool updateInfo();

            uint ownerId;
            uint groupId;
            QFile::Permissions permissions;
            QDateTime lastWrite;
        };

        QList<File> files;
    };

    QDnotifyFileSystemWatcherEngine();

    QMutex mutex;
    QHash<QString, int> pathToFD;
    QHash<int, Directory> fdToDirectory;
    QHash<int, int> parentToFD;
};



QT_END_NAMESPACE
#endif // QT_NO_FILESYSTEMWATCHER
#endif // QFILESYSTEMWATCHER_DNOTIFY_P_H