| -rw-r--r-- | libopie2/opiecore/ofilenotify.cpp | 122 | ||||
| -rw-r--r-- | libopie2/opiecore/ofilenotify.h | 63 |
2 files changed, 154 insertions, 31 deletions
diff --git a/libopie2/opiecore/ofilenotify.cpp b/libopie2/opiecore/ofilenotify.cpp index 11d4f87..4264327 100644 --- a/libopie2/opiecore/ofilenotify.cpp +++ b/libopie2/opiecore/ofilenotify.cpp @@ -59,4 +59,22 @@ namespace Opie { namespace Core { +//================================================================================================= +// OFileNotificationEvent +//================================================================================================= +OFileNotificationEvent::OFileNotificationEvent( OFileNotification* parent, int wd, unsigned int mask, unsigned int cookie, const QString& name ) + :_parent( parent ), _wd( wd ), _mask( mask ), _cookie( cookie ), _name( name ) +{ + qDebug( "OFileNotificationEvent()" ); +} + + +OFileNotificationEvent::~OFileNotificationEvent() +{ + qDebug( "~OFileNotificationEvent()" ); +} + +//================================================================================================= +// OFileNotification +//================================================================================================= OFileNotification::OFileNotification( QObject* parent, const char* name ) :QObject( parent, name ), _active( false ), _multi( true ) @@ -153,9 +171,36 @@ QString OFileNotification::path() const -bool OFileNotification::activate() +bool OFileNotification::activate( const OFileNotificationEvent* e ) { - emit triggered( _path ); + qDebug( "OFileNotification::activate(): e = ( %s, %d, 0x%08x, %d, %s )", (const char*) _path, e->descriptor(), e->mask(), e->cookie(), (const char*) e->name() ); + + // 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; + default: assert( 0 ); + } + if ( !_multi ) stop(); + return true; } @@ -172,5 +217,5 @@ bool OFileNotification::singleShot( const QString& path, QObject* receiver, cons void OFileNotification::inotifyEventHandler() { - qWarning( "OFileNotification::__eventHandler(): reached." ); + qDebug( "OFileNotification::inotifyEventHandler(): reached." ); char buffer[16384]; @@ -189,24 +234,14 @@ void OFileNotification::inotifyEventHandler() while ( buffer_i < r ) { - /* Parse events and queue them ! */ - pevent = (struct inotify_event *)&buffer[buffer_i]; - event_size = sizeof(struct inotify_event) + pevent->len; - qDebug( "pevent->len = %d\n", pevent->len); - - OFileNotification* fn = notification_list[ pevent->wd ]; - if ( fn ) - fn->activate(); - else - assert( false ); - - //event = malloc(event_size); - //memmove(event, pevent, event_size); - //queue_enqueue(event, q); - buffer_i += event_size; - count++; + 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( "received %d events...", count ); - return; + qDebug( "OFileNotification::inotifyEventHandler(): processed %d events", count ); } @@ -263,15 +298,52 @@ int ODirNotification::watch( const QString& path, bool sshot, OFileNotificationT if ( result != -1 ) { - connect( fn, SIGNAL( triggered( const QString& ) ), this, SIGNAL( triggered( const QString& ) ) ); - return result; + 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& ) ) ); } + return result; } else { - qDebug( "ODirNotification::watch(), recursion not yet implemented... :)" ); - return -1; + + return 1; } } + +// void ODirNotification::subdirCreated( const QString& name ) + + +/* + 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. +*/ + + } // namespace Ui diff --git a/libopie2/opiecore/ofilenotify.h b/libopie2/opiecore/ofilenotify.h index 3eb917e..5bbf421 100644 --- a/libopie2/opiecore/ofilenotify.h +++ b/libopie2/opiecore/ofilenotify.h @@ -43,4 +43,6 @@ namespace Opie { namespace Core { +class OFileNotificationEvent; + /*====================================================================================== * OFileNotificationType @@ -169,11 +171,21 @@ class OFileNotification : public QObject signals: - /** - * This signal is emitted if an event happens of the specified type happens to the file being watched. - **/ - void triggered( const QString& name ); + 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(); + bool activate( const OFileNotificationEvent* e ); private slots: @@ -192,4 +204,6 @@ class OFileNotification : public QObject int _wd; // inotify watch descriptor static int _fd; // inotify device descriptor + + friend class OFileNotificationEvent; }; @@ -228,5 +242,42 @@ class ODirNotification : public QObject * This signal is emitted if an event happens of the specified type happens to the directory being watched. **/ - void triggered( const QString& name ); + 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& ); +}; + +/*====================================================================================== + * 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; }; |