author | mickeyl <mickeyl> | 2005-06-02 21:44:41 (UTC) |
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committer | mickeyl <mickeyl> | 2005-06-02 21:44:41 (UTC) |
commit | d0f6a0721d7ab67a115d08990143944ee71d54ba (patch) (side-by-side diff) | |
tree | ba22ad18027419a6417f3d6439a2faf67917ab74 /libopie2/opiecore/linux | |
parent | f55a56f54de1d3fa9084160159a379079a317d96 (diff) | |
download | opie-d0f6a0721d7ab67a115d08990143944ee71d54ba.zip opie-d0f6a0721d7ab67a115d08990143944ee71d54ba.tar.gz opie-d0f6a0721d7ab67a115d08990143944ee71d54ba.tar.bz2 |
- move addLanguage.sh and mkipks to scripts/ directory
- finish recursive directory locks and mention in ChangeLog
beginning with `CVS:' are removed automatically CVS: CVS: Committing in . CVS: CVS: Modified Files: CVS:
ChangeLog libopie2/opiecore/linux/ofilenotify.cpp CVS: libopie2/opiecore/linux/ofilenotify.h CVS:
examples/opiecore/onotifytest/main.cpp CVS: examples/opiecore/onotifytest/main.h CVS: Added Files: CVS:
scripts/addLanguage.sh scripts/mkipks CVS:
----------------------------------------------------------------------
-rw-r--r-- | libopie2/opiecore/linux/ofilenotify.cpp | 40 | ||||
-rw-r--r-- | libopie2/opiecore/linux/ofilenotify.h | 3 |
2 files changed, 25 insertions, 18 deletions
diff --git a/libopie2/opiecore/linux/ofilenotify.cpp b/libopie2/opiecore/linux/ofilenotify.cpp index a7820ee..68c5a96 100644 --- a/libopie2/opiecore/linux/ofilenotify.cpp +++ b/libopie2/opiecore/linux/ofilenotify.cpp @@ -143,302 +143,308 @@ OFileNotification::~OFileNotification() { stop(); qDebug( "OFileNotification::~OFileNotification()" ); } bool OFileNotification::isActive() const { return _active; } int OFileNotification::watch( const QString& path, bool sshot, OFileNotificationType type ) { // check if path exists and is a regular file struct stat s; if ( ::stat( (const char*) path, &s ) == -1 ) { qWarning( "OFileNotification::watch(): Can't watch '%s': %s.", (const char*) path, strerror( errno ) ); return -1; } if ( !S_ISREG( s.st_mode ) ) { qWarning( "OFileNotification::watch(): Can't watch '%s': %s.", (const char*) path, "not a regular file" ); return -1; } return startWatching( path, sshot, type ); } int OFileNotification::startWatching( const QString& path, bool sshot, OFileNotificationType type ) { if ( notification_list.isEmpty() ) { OFileNotification::registerEventHandler(); } struct inotify_watch_request iwr; ::memset( &iwr, 0, sizeof iwr ); iwr.name = const_cast<char*>( (const char*) path ); iwr.mask = type; _wd = ::ioctl( OFileNotification::_fd, INOTIFY_WATCH, &iwr ); if ( _wd < 0 ) { qWarning( "OFileNotification::watch(): inotify can't watch '%s': %s.", (const char*) path, strerror( errno ) ); return -1; } notification_list.insert( _wd, this ); _path = path; _multi = !sshot; _type = type; _active = true; qDebug( "OFileNotification::watch(): watching '%s' [wd=%d].", (const char*) path, _wd ); return _wd; } void OFileNotification::stop() { notification_list.remove( _wd ); _path = QString::null; _wd = 0; _active = false; if ( notification_list.isEmpty() ) { OFileNotification::unregisterEventHandler(); } } OFileNotificationType OFileNotification::type() const { return _type; } QString OFileNotification::path() const { return _path; } bool OFileNotification::isSingleShot() const { return !_multi; } bool OFileNotification::activate( const OFileNotificationEvent* e ) { qDebug( "OFileNotification::activate(): e = ( %s, %d, 0x%08x, %d, %s )", (const char*) _path, e->descriptor(), e->mask(), e->cookie(), (const char*) e->name() ); + //FIXME: Should we really deliver QueueOverflow and/or Ignore to user level code? + // dumb signal _signal.activate(); // generic signal emit triggered( _path, e->mask(), e->name() ); // specialized signals switch ( e->mask() ) { - case Access: emit accessed( _path ); break; - case Modify: emit modified( _path ); break; - case Attrib: emit attributed( _path); break; - case CloseWrite: emit closed( _path, true ); break; - case CloseNoWrite: emit closed( _path, false ); break; - case Open: emit opened( _path ); break; - case MovedFrom: emit movedFrom( _path, e->name() ); break; - case MovedTo: emit movedTo( _path, e->name() ); break; - case DeleteSubdir: emit deletedSubdir( _path, e->name() ); break; - case DeleteFile: emit deletedFile( _path, e->name() ); break; - case CreateSubdir: emit createdSubdir( _path, e->name() ); break; - case CreateFile: emit createdFile( _path, e->name() ); break; - case DeleteSelf: emit deleted( _path ); break; - case Unmount: emit unmounted( _path ); break; + case Access: emit accessed( _path ); break; + case Modify: emit modified( _path ); break; + case Attrib: emit attributed( _path); break; + case CloseWrite: emit closed( _path, true ); break; + case CloseNoWrite: emit closed( _path, false ); break; + case Open: emit opened( _path ); break; + case MovedFrom: emit movedFrom( _path, e->name() ); break; + case MovedTo: emit movedTo( _path, e->name() ); break; + case DeleteSubdir: emit deletedSubdir( _path, e->name() ); break; + case DeleteFile: emit deletedFile( _path, e->name() ); break; + case CreateSubdir: emit createdSubdir( _path, e->name() ); break; + case CreateFile: emit createdFile( _path, e->name() ); break; + case DeleteSelf: emit deleted( _path ); break; + case Unmount: emit unmounted( _path ); break; + case _QueueOverflow: qFatal( "OFileNotification::activate() - Inotify Event Queue Overload!" ); break; + case _Ignored: qWarning( "OFileNotification::activate() - Further Events for '%s' will be ignored", (const char*) _path ); break; default: assert( 0 ); } + delete e; + if ( !_multi ) stop(); return true; } bool OFileNotification::singleShot( const QString& path, QObject* receiver, const char* member, OFileNotificationType type ) { OFileNotification* ofn = new OFileNotification(); ofn->_signal.connect( receiver, member ); return ofn->watch( path, true, type ) != -1; } void OFileNotification::inotifyEventHandler() { qDebug( "OFileNotification::inotifyEventHandler(): reached." ); char buffer[16384]; ssize_t buffer_i; struct inotify_event *pevent, *event; ssize_t r; size_t event_size; int count = 0; r = ::read(_fd, buffer, 16384); if ( r <= 0 ) return; buffer_i = 0; while ( buffer_i < r ) { pevent = (struct inotify_event *)&buffer[buffer_i]; event_size = sizeof(struct inotify_event) + pevent->len; OFileNotificationEvent* e = new OFileNotificationEvent( notification_list[ pevent->wd ], pevent->wd, pevent->mask, pevent->cookie, pevent->len ? pevent->name : 0 ); e->activate(); buffer_i += event_size; count++; } qDebug( "OFileNotification::inotifyEventHandler(): processed %d events", count ); } bool OFileNotification::registerEventHandler() { OFileNotification::_fd = ::open( INOTIFY_DEVICE, O_RDONLY ); if ( OFileNotification::_fd < 0 ) { qWarning( "OFileNotification::registerEventHandler(): couldn't register event handler: %s", strerror( errno ) ); return false; } - OFileNotification::_sn = new QSocketNotifier( _fd, QSocketNotifier::Read, this, "inotify event" ); + OFileNotification::_sn = new QSocketNotifier( _fd, QSocketNotifier::Read ); connect( OFileNotification::_sn, SIGNAL( activated(int) ), this, SLOT( inotifyEventHandler() ) ); qDebug( "OFileNotification::registerEventHandler(): done" ); return true; } void OFileNotification::unregisterEventHandler() { if ( _sn ) delete _sn; if ( OFileNotification::_fd ) ::close( OFileNotification::_fd ); qDebug( "OFileNotification::unregisterEventHandler(): done" ); } //================================================================================================= // ODirNotification //================================================================================================= ODirNotification::ODirNotification( QObject* parent, const char* name ) :QObject( parent, name ), _topfilenotification( 0 ), _type( Nothing ), _depth( -123 ) { qDebug( "ODirNotification::ODirNotification()" ); } ODirNotification::~ODirNotification() { qDebug( "ODirNotification::~ODirNotification()" ); } -/* +/** Love-Trowbridge recursive directory scanning algorithm: Step 1. Start at initial directory foo. Add watch. Step 2. Setup handlers for watch created in Step 1. Specifically, ensure that a directory created in foo will result in a handled CREATE_SUBDIR event. Step 3. Read the contents of foo. Step 4. For each subdirectory of foo read in step 3, repeat step 1. Step 5. For any CREATE_SUBDIR event on bar, if a watch is not yet created on bar, repeat step 1 on bar. -*/ +**/ int ODirNotification::watch( const QString& path, bool sshot, OFileNotificationType type, int recurse ) { if ( _type == Nothing ) _type = type; // only set it once - for the top level call OFileNotificationType subtype = ( recurse != 0 ) ? (OFileNotificationType) int( _type | CreateSubdir ) : _type; qDebug( "ODirNotification::watch( %s, %d, 0x%08x, %d )", (const char*) path, sshot, subtype, recurse ); OFileNotification* fn = new OFileNotification( this, "ODirNotification delegate" ); int result = fn->startWatching( path, sshot, subtype ); if ( result != -1 ) { if ( !_topfilenotification ) _topfilenotification = fn; // only set it once - for the top level call if ( _depth == -123 ) _depth = recurse; // only set it once - for the top level call connect( fn, SIGNAL( triggered( const QString&, unsigned int, const QString& ) ), this, SIGNAL( triggered( const QString&, unsigned int, const QString& ) ) ); connect( fn, SIGNAL( accessed( const QString& ) ), this, SIGNAL( accessed( const QString& ) ) ); connect( fn, SIGNAL( modified( const QString& ) ), this, SIGNAL( modified( const QString& ) ) ); connect( fn, SIGNAL( attributed( const QString& ) ), this, SIGNAL( attributed( const QString& ) ) ); connect( fn, SIGNAL( closed( const QString&, bool ) ), this, SIGNAL( closed( const QString&, bool ) ) ); connect( fn, SIGNAL( opened( const QString& ) ), this, SIGNAL( opened( const QString& ) ) ); connect( fn, SIGNAL( movedTo( const QString&, const QString& ) ), this, SIGNAL( movedTo( const QString&, const QString& ) ) ); connect( fn, SIGNAL( movedFrom( const QString&, const QString& ) ), this, SIGNAL( movedFrom( const QString&, const QString& ) ) ); connect( fn, SIGNAL( deletedSubdir( const QString&, const QString& ) ), this, SIGNAL( deletedSubdir( const QString&, const QString& ) ) ); connect( fn, SIGNAL( deletedFile( const QString&, const QString& ) ), this, SIGNAL( deletedFile( const QString&, const QString& ) ) );; connect( fn, SIGNAL( createdSubdir( const QString&, const QString& ) ), this, SIGNAL( createdSubdir( const QString&, const QString& ) ) ); connect( fn, SIGNAL( createdFile( const QString&, const QString& ) ), this, SIGNAL( createdFile( const QString&, const QString& ) ) ); connect( fn, SIGNAL( deleted( const QString& ) ), this, SIGNAL( deleted( const QString& ) ) ); connect( fn, SIGNAL( unmounted( const QString& ) ), this, SIGNAL( unmounted( const QString& ) ) ); if ( recurse != 0 ) { connect( fn, SIGNAL( createdSubdir( const QString&, const QString& ) ), this, SLOT( subdirCreated( const QString&, const QString& ) ) ); QDir directory( path ); QStringList subdirs = directory.entryList( QDir::Dirs ); for ( QStringList::Iterator it = subdirs.begin(); it != subdirs.end(); ++it ) { if ( (*it) == "." || (*it) == ".." ) continue; QString subpath = QString( "%1/%2" ).arg( path ).arg( *it ); int subresult = watch( subpath, sshot, subtype, recurse-1 ); if ( subresult == -1 ) { qDebug( "ODirNotification::watch(): subresult for '%s' was -1. Interrupting", (const char*) (*it) ); return -1; } } } } else return -1; } void ODirNotification::subdirCreated( const QString& dir, const QString& subdir ) { qDebug( "*** ODirNotification::subdirCreated '%s/%s'", (const char*) dir, (const char*) subdir ); QString newdir = dir; if ( newdir.startsWith( _topfilenotification->path() ) ) { newdir.replace( _topfilenotification->path(), "" ); int level = newdir.contains( '/' ); qDebug( "*** dirpart = '%s' ==> level = %d", (const char*) newdir, level ); if ( _depth == -1 || _depth > level ) { watch( QString( "%1/%2" ).arg( dir ).arg( subdir ), _topfilenotification->isSingleShot(), _topfilenotification->type(), _depth == -1 ? -1 : _depth-level-1 ); } } } } // namespace Ui } // namespace Opie diff --git a/libopie2/opiecore/linux/ofilenotify.h b/libopie2/opiecore/linux/ofilenotify.h index 17e6b5d..c713b30 100644 --- a/libopie2/opiecore/linux/ofilenotify.h +++ b/libopie2/opiecore/linux/ofilenotify.h @@ -164,176 +164,177 @@ class OFileNotification : public QObject * * #include <opie2/oapplication.h> * #include <opie2/ofilenotify.h> * using namespace Opie::Core; * * int main( int argc, char **argv ) * { * OApplication a( argc, argv, "File Notification Example" ); * OFileNotification::singleShot( "/tmp/quit", &a, SLOT(quit()), Access ); * ... // create and show your widgets * return a.exec(); * } * </pre> * * This sample program automatically terminates when the file "/tmp/quit" has been accessed. * * * The @a receiver is the receiving object and the @a member is the slot. **/ static bool singleShot( const QString& path, QObject* receiver, const char* member, OFileNotificationType type = Modify ); /** * Starts to watch for @a type changes to @a path. Set @a sshot to True if you want to be notified only once. * Note that in that case it may be more convenient to use @ref OFileNotification::singleShot() then. **/ int watch( const QString& path, bool sshot = false, OFileNotificationType type = Modify ); /** * Stop watching for file events. **/ void stop(); /** * @returns the notification type as set by @ref start(). **/ OFileNotificationType type() const; /** * @returns the path to the file being watched by this instance. **/ QString path() const; /** * @returns if the notification is single-shot */ bool isSingleShot() const; /** * @returns if a file is currently being watched. **/ bool isActive() const; /** * @internal */ int startWatching( const QString& path, bool sshot = false, OFileNotificationType type = Modify ); signals: void triggered( const QString&, unsigned int, const QString& ); void accessed( const QString& ); void modified( const QString& ); void attributed( const QString& ); void closed( const QString&, bool ); void opened( const QString& ); void movedTo( const QString&, const QString& ); void movedFrom( const QString&, const QString& ); void deletedSubdir( const QString&, const QString& ); void deletedFile( const QString&, const QString& ); void createdSubdir( const QString&, const QString& ); void createdFile( const QString&, const QString& ); void deleted( const QString& ); void unmounted( const QString& ); protected: bool activate( const OFileNotificationEvent* e ); private slots: void inotifyEventHandler(); private: bool registerEventHandler(); void unregisterEventHandler(); QString _path; OFileNotificationType _type; QSignal _signal; bool _active; bool _multi; static QSocketNotifier* _sn; int _wd; // inotify watch descriptor static int _fd; // inotify device descriptor friend class OFileNotificationEvent; }; /*====================================================================================== * ODirNotification *======================================================================================*/ /** * @brief Represents a directory notification * * This class allows to watch for events happening to directories - * It uses the OFileNotification class + * It uses the OFileNotification class and (for recursive watches) + * implements the Love-Trowbridge recursive directory scanning algorithm. * * @see http://www.kernel.org/pub/linux/kernel/people/rml/inotify/ * * @author Michael 'Mickey' Lauer <mickey@vanille.de> * **/ class ODirNotification : public QObject { Q_OBJECT public: ODirNotification( QObject* parent = 0, const char* name = 0 ); ~ODirNotification(); /** * Starts to watch for @a type changes to @a path. Recurse @a recurse levels down the filesystem tree, * use 0 for no recursion and -1 for unlimited recursion. * Set @a sshot to True if you want to be notified only once. **/ int watch( const QString& path, bool sshot = false, OFileNotificationType type = Modify, int recurse = 0 ); signals: /** * This signal is emitted if an event happens of the specified type happens to the directory being watched. **/ void triggered( const QString&, unsigned int, const QString& ); void accessed( const QString& ); void modified( const QString& ); void attributed( const QString& ); void closed( const QString&, bool ); void opened( const QString& ); void movedTo( const QString&, const QString& ); void movedFrom( const QString&, const QString& ); void deletedSubdir( const QString&, const QString& ); void deletedFile( const QString&, const QString& ); void createdSubdir( const QString&, const QString& ); void createdFile( const QString&, const QString& ); void deleted( const QString& ); void unmounted( const QString& ); private slots: void subdirCreated( const QString&, const QString& ); private: OFileNotification* _topfilenotification; OFileNotificationType _type; int _depth; }; /*====================================================================================== * OFileNotificationEvent *======================================================================================*/ class OFileNotificationEvent { public: OFileNotificationEvent( OFileNotification* parent, int wd, unsigned int mask, unsigned int cookie, const QString& name ); ~OFileNotificationEvent(); OFileNotification* parent() const { return _parent; }; int descriptor() const { return _wd; }; unsigned int mask() const { return _mask; }; unsigned int cookie() const { return _cookie; }; QString name() const { return _name; }; void activate() { _parent->activate( this ); }; private: OFileNotification* _parent; int _wd; unsigned int _mask; unsigned int _cookie; QString _name; }; } } #endif |