Welcome to mirror list, hosted at ThFree Co, Russian Federation.

folderwatcher_inotify.cpp « mirall « src - github.com/owncloud/client.git - Unnamed repository; edit this file 'description' to name the repository.
summaryrefslogtreecommitdiff
blob: c4595476ccb36e1e9efe585c8b1386833153f14c (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
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
/*
 * Copyright (C) by Duncan Mac-Vicar P. <duncan@kde.org>
 * Copyright (C) by Daniel Molkentin <danimo@owncloud.com>
 *
 *
 * 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 of the License, or
 * (at your option) any later version.
 *
 * 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.
 */

#include <sys/inotify.h>

#include "mirall/folderwatcher.h"

namespace Mirall {

class FolderWatcherPrivate {
public:
    INotify *inotify;
};

static const uint32_t standard_event_mask =
    IN_CLOSE_WRITE | IN_ATTRIB | IN_MOVE |
    IN_CREATE |IN_DELETE | IN_DELETE_SELF |
    IN_MOVE_SELF |IN_UNMOUNT |IN_ONLYDIR |
    IN_DONT_FOLLOW;

void FolderWatcher::setupBackend() {
    _processTimer->setSingleShot(true);
    QObject::connect(_processTimer, SIGNAL(timeout()), this, SLOT(slotProcessTimerTimeout()));
    _d = new FolderWatcherPrivate;
    _d->inotify = new INotify(this, standard_event_mask);
    slotAddFolderRecursive(_root);
    QObject::connect(_d->inotify, SIGNAL(notifyEvent(int, int, const QString &)),
                     this, SLOT(slotINotifyEvent(int, int, const QString &)));
}

QStringList FolderWatcher::folders() const
{
    return _d->inotify->directories();
}

void FolderWatcher::slotAddFolderRecursive(const QString &path)
{
    int subdirs = 0;
    qDebug() << "(+) Watcher:" << path;

    _d->inotify->addPath(path);
    QStringList watchedFolders(_d->inotify->directories());
    // qDebug() << "currently watching " << watchedFolders;
    QStringListIterator subfoldersIt(FileUtils::subFoldersList(path, FileUtils::SubFolderRecursive));
    while (subfoldersIt.hasNext()) {
        QString subfolder = subfoldersIt.next();
        // qDebug() << "  (**) subfolder: " << subfolder;
        QDir folder (subfolder);
        if (folder.exists() && !watchedFolders.contains(folder.path())) {
            subdirs++;
            // check that it does not match the ignore list
            foreach ( const QString& pattern, _ignores) {
                QRegExp regexp(pattern);
                regexp.setPatternSyntax(QRegExp::Wildcard);
                if ( regexp.exactMatch(folder.path()) ) {
                    qDebug() << "* Not adding" << folder.path();
                    continue;
                }

            }
            _d->inotify->addPath(folder.path());
        }
        else
            qDebug() << "    `-> discarded:" << folder.path();
    }
    if (subdirs >0)
        qDebug() << "    `-> and" << subdirs << "subdirectories";
}

void FolderWatcher::slotINotifyEvent(int mask, int cookie, const QString &path)
{
    int lastMask = _lastMask;
    QString lastPath = _lastPath;

    _lastMask = mask;
    _lastPath = path;

    if( ! eventsEnabled() ) return;
    qDebug() << "** Inotify Event " << mask << " on " << path;
    // cancel close write events that come after create
    if (lastMask == IN_CREATE && mask == IN_CLOSE_WRITE
        && lastPath == path ) {
        return;
    }

    if (IN_IGNORED & mask) {
        //qDebug() << "IGNORE event";
        return;
    }

    if (IN_Q_OVERFLOW & mask) {
        //qDebug() << "OVERFLOW";
    }

    if (mask & IN_CREATE) {
        //qDebug() << cookie << " CREATE: " << path;
        if (QFileInfo(path).isDir()) {
            //setEventsEnabled(false);
            slotAddFolderRecursive(path);
            //setEventsEnabled(true);
        }
    }
    else if (mask & IN_DELETE) {
        //qDebug() << cookie << " DELETE: " << path;
        if ( QFileInfo(path).isDir() && _d->inotify->directories().contains(path) ) {
            qDebug() << "(-) Watcher:" << path;
            _d->inotify->removePath(path);
        }
    }
    else if (mask & IN_CLOSE_WRITE) {
        //qDebug() << cookie << " WRITABLE CLOSED: " << path;
    }
    else if (mask & IN_MOVE) {
        //qDebug() << cookie << " MOVE: " << path;
    }
    else {
        //qDebug() << cookie << " OTHER " << mask << " :" << path;
    }

    foreach (const QString& pattern, _ignores) {
        QRegExp regexp(pattern);
        regexp.setPatternSyntax(QRegExp::Wildcard);

        if (regexp.exactMatch(path)) {
            qDebug() << "* Discarded by ignore pattern: " << path;
            return;
        }
        QFileInfo fInfo(path);
        if( regexp.exactMatch(fInfo.fileName())) {
            qDebug() << "* Discarded by ignore pattern:" << path;
            return;
        }
        if( fInfo.isHidden() ) {
            qDebug() << "* Discarded as is hidden!";
            return;
        }
    }

    if( !_pendingPathes.contains( path )) {
        _pendingPathes[path] = 0;
    }
    _pendingPathes[path] = _pendingPathes[path]+mask;
    setProcessTimer();
}

} // namespace Mirall