Diffstat (limited to 'libopie2/opiecore/ofilenotify.cpp') (more/less context) (show whitespace changes)
| -rw-r--r-- | libopie2/opiecore/ofilenotify.cpp | 31 |
1 files changed, 23 insertions, 8 deletions
diff --git a/libopie2/opiecore/ofilenotify.cpp b/libopie2/opiecore/ofilenotify.cpp index efd041a..11d4f87 100644 --- a/libopie2/opiecore/ofilenotify.cpp +++ b/libopie2/opiecore/ofilenotify.cpp @@ -1,263 +1,278 @@ /* This file is part of the Opie Project =. Copyright (C) 2004-2005 Michael 'Mickey' Lauer <mickey@Vanille.de> .=l. Copyright (C) The Opie Team <opie-devel@handhelds.org> .>+-= _;:, .> :=|. This program is free software; you can .> <`_, > . <= redistribute it and/or modify it under :`=1 )Y*s>-.-- : the terms of the GNU Library General Public .="- .-=="i, .._ License as published by the Free Software - . .-<_> .<> Foundation; version 2 of the License. ._= =} : .%`+i> _;_. .i_,=:_. -<s. 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 ..}^=.= = ; Library General Public License for more ++= -. .` .: details. : = ...= . :.=- -. .:....=;==+<; You should have received a copy of the GNU -_. . . )=. = Library General Public License along with -- :-=` this library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "ofilenotify.h" using namespace Opie::Core; /* OPIE */ /* QT */ #include <qobject.h> #include <qsocketnotifier.h> #include <qsignal.h> #include <qintdict.h> #include <qdir.h> /* STD */ #include <sys/types.h> #include <sys/stat.h> #include <sys/ioctl.h> #include <fcntl.h> #include <assert.h> #include <string.h> #include <errno.h> #include <unistd.h> static QIntDict<OFileNotification> notification_list; QSocketNotifier* OFileNotification::_sn; int OFileNotification::_fd = -1; #define INOTIFY_DEVICE "/dev/inotify" namespace Opie { namespace Core { OFileNotification::OFileNotification( QObject* parent, const char* name ) :QObject( parent, name ), _active( false ), _multi( true ) { qDebug( "OFileNotification::OFileNotification()" ); } 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; } - if ( notification_list.isEmpty() ) - { - OFileNotification::registerEventHandler(); - } - 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::activate() { emit triggered( _path ); _signal.activate(); 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() { qWarning( "OFileNotification::__eventHandler(): reached." ); char buffer[16384]; size_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 ) { /* 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++; } qDebug( "received %d events...", count ); return; } 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" ); 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 ) { qDebug( "ODirNotification::ODirNotification()" ); } ODirNotification::~ODirNotification() { qDebug( "ODirNotification::~ODirNotification()" ); } int ODirNotification::watch( const QString& path, bool sshot, OFileNotificationType type, int recurse ) { qDebug( "ODirNotification::watch( %s, %d, 0x%08x, %d )", (const char*) path, sshot, type, recurse ); - return 0; -} + if ( recurse == 0 ) + { + OFileNotification* fn = new OFileNotification( this, "ODirNotification delegate" ); + int result = fn->startWatching( path, sshot, type ); + if ( result != -1 ) + { + connect( fn, SIGNAL( triggered( const QString& ) ), this, SIGNAL( triggered( const QString& ) ) ); + return result; + } + } + else + { + qDebug( "ODirNotification::watch(), recursion not yet implemented... :)" ); + return -1; } - }
\ No newline at end of file + +} // namespace Ui + +} // namespace Opie |