workspace/libs/ksysguard/processcore/processes_remote_p.h

   1 /*  This file is part of the KDE project
   2
   3     Copyright (C) 2007 John Tapsell <tapsell@kde.org>
   4
   5     This library is free software; you can redistribute it and/or
   6     modify it under the terms of the GNU Library General Public
   7     License as published by the Free Software Foundation; either
   8     version 2 of the License, or (at your option) any later version.
   9
  10     This library is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13     Library General Public License for more details.
  14
  15     You should have received a copy of the GNU Library General Public License
  16     along with this library; see the file COPYING.LIB.  If not, write to
  17     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  18     Boston, MA 02110-1301, USA.
  19 */
  20
  21 #ifndef PROCESSES_REMOTE_P_H_
  22 #define PROCESSES_REMOTE_P_H_
  23
  24 #include "processes_base_p.h"
  25 #include <QSet>
  26 class Process;
  27 namespace KSysGuard
  28 {
  29     /**
  30      * This is used to connect to a remote host
  31      */
  32     class ProcessesRemote : public AbstractProcesses {
  33       Q_OBJECT
  34       public:
  35         ProcessesRemote(const QString &hostname);
  36         virtual ~ProcessesRemote();
  37         virtual QSet<long> getAllPids();
  38         virtual long getParentPid(long pid);
  39         virtual bool updateProcessInfo(long pid, Process *process);
  40         virtual bool sendSignal(long pid, int sig);
  41         virtual bool setNiceness(long pid, int priority);
  42         virtual bool setScheduler(long pid, int priorityClass, int priority);
  43         virtual long long totalPhysicalMemory();
  44         virtual bool setIoNiceness(long pid, int priorityClass, int priority);
  45         virtual bool supportsIoNiceness();
  46         virtual long numberProcessorCores();
  47         virtual void updateAllProcesses();
  48
  49
  50       Q_SIGNALS:
  51         /** For a remote machine, we rely on being able to communicate with ksysguardd.
  52          *  This must be dealt with by the program including this widget.  It must listen to our
  53          *  'runCommand' signal, and run the given command, with the given id. */
  54         void runCommand(const QString &command, int id);
  55
  56       public Q_SLOTS:
  57         /** For a remote machine, we rely on being able to communicate with ksysguardd.
  58          *  The programming using this must call this slot when an answer is received from ksysguardd,
  59          *  in response to a runCommand request.  The id identifies the answer */
  60         void answerReceived( int id, const QList<QByteArray>& answer );
  61         /** Called soon after */
  62         void setup();
  63
  64       protected:
  65         enum { PsInfo, Ps, UsedMemory, FreeMemory, Kill, Renice, Ionice };
  66
  67       private:
  68         /**
  69          * You can use this for whatever data you want.  Be careful about preserving state in between getParentPid and updateProcessInfo calls
  70          * if you chose to do that. getParentPid may be called several times for different pids before the relevant updateProcessInfo calls are made.
  71          * This is because the tree structure has to be sorted out first.
  72          */
  73         class Private;
  74         Private *d;
  75
  76     };
  77 }
  78 #endif