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Diffstat (limited to 'kmrml/kmrml/server/watcher.h')
-rw-r--r-- | kmrml/kmrml/server/watcher.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/kmrml/kmrml/server/watcher.h b/kmrml/kmrml/server/watcher.h new file mode 100644 index 00000000..67d9b5e1 --- /dev/null +++ b/kmrml/kmrml/server/watcher.h @@ -0,0 +1,107 @@ +/* This file is part of the KDE project + Copyright (C) 2002 Carsten Pfeiffer <pfeiffer@kde.org> + + 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, version 2. + + 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. + + You should have received a copy of the GNU General Public License + along with this program; see the file COPYING. If not, write to + the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. +*/ + +#ifndef LAUNCHER_H +#define LAUNCHER_H + +#include <qdict.h> +#include <qmap.h> +#include <qstrlist.h> +#include <qstringlist.h> +#include <qtimer.h> + +#include <kdedmodule.h> +#include <kprocess.h> + +namespace KMrml +{ + class DaemonData + { + public: + DaemonData( const QString& key, const QString& cmd, + uint time, int numRestarts ) + : daemonKey( key ), + commandline( cmd ), + timeout( time ), + apps( true ), // deep copies + restartOnFailure( numRestarts ), + process( 0L ), + timer( 0L ) + { + } + ~DaemonData() + { + delete process; + delete timer; + } + QString daemonKey; + QString commandline; + uint timeout; + QStrList apps; + int restartOnFailure; + KProcess *process; + QTimer *timer; + }; + + class Watcher : public KDEDModule + { + Q_OBJECT + K_DCOP + + public: + Watcher( const QCString& name = "daemonwatcher" ); + ~Watcher(); + + k_dcop: + virtual bool requireDaemon( const QCString& clientAppId, + const QString& daemonKey, + const QString& commandline, + uint timeout = 60 /* seconds */, + int numRestarts = 5 ); + virtual void unrequireDaemon( const QCString& clientAppId, + const QString& daemonKey ); + virtual QStringList runningDaemons() const; + + k_dcop_signals: + void daemonExited(const QString& daemonKey, pid_t pid, int exitStatus); + void daemonDied( const QString& daemonKey, pid_t pid ); + + protected: + bool startDaemon( DaemonData *daemon ); + + protected slots: + virtual void slotTimeout(); + + private: + void unrequireDaemon( DaemonData *daemon, const QCString& clientAppId); + DaemonData *findDaemonFromProcess( KProcess *proc ); + DaemonData *findDaemonFromTimer( QTimer *timer ); + + void emitExited( DaemonData *daemon ); + void emitFailure( DaemonData *daemon ); + + private slots: + void slotProcExited( KProcess *proc ); + void slotAppUnregistered( const QCString& appId ); + + QDict<DaemonData> m_daemons; + }; + +} + +#endif // LAUNCHER_H |