summaryrefslogtreecommitdiffstats
path: root/ksysguard/gui/ksgrd/SensorAgent.h
diff options
context:
space:
mode:
authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit4aed2c8219774f5d797760606b8489a92ddc5163 (patch)
tree3f8c130f7d269626bf6a9447407ef6c35954426a /ksysguard/gui/ksgrd/SensorAgent.h
downloadtdebase-4aed2c8219774f5d797760606b8489a92ddc5163.tar.gz
tdebase-4aed2c8219774f5d797760606b8489a92ddc5163.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebase@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'ksysguard/gui/ksgrd/SensorAgent.h')
-rw-r--r--ksysguard/gui/ksgrd/SensorAgent.h137
1 files changed, 137 insertions, 0 deletions
diff --git a/ksysguard/gui/ksgrd/SensorAgent.h b/ksysguard/gui/ksgrd/SensorAgent.h
new file mode 100644
index 000000000..e30deb510
--- /dev/null
+++ b/ksysguard/gui/ksgrd/SensorAgent.h
@@ -0,0 +1,137 @@
+/*
+ KSysGuard, the KDE System Guard
+
+ Copyright (c) 1999, 2000 Chris Schlaeger <cs@kde.org>
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of version 2 of the GNU General Public
+ License as published by the Free Software Foundation.
+
+ 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; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+*/
+
+#ifndef KSG_SENSORAGENT_H
+#define KSG_SENSORAGENT_H
+
+#include <qobject.h>
+#include <qptrlist.h>
+
+class KProcess;
+class KShellProcess;
+
+class QString;
+
+namespace KSGRD {
+
+class SensorClient;
+class SensorManager;
+class SensorRequest;
+
+/**
+ The SensorAgent depending on the type of requested connection
+ starts a ksysguardd process or connects through a tcp connection to
+ a running ksysguardd and handles the asynchronous communication. It
+ keeps a list of pending requests that have not been answered yet by
+ ksysguardd. The current implementation only allowes one pending
+ requests. Incoming requests are queued in an input FIFO.
+*/
+class KDE_EXPORT SensorAgent : public QObject
+{
+ Q_OBJECT
+
+ public:
+ SensorAgent( SensorManager *sm );
+ virtual ~SensorAgent();
+
+ virtual bool start( const QString &host, const QString &shell,
+ const QString &command = "", int port = -1 ) = 0;
+
+ /**
+ This function should only be used by the the SensorManager and
+ never by the SensorClients directly since the pointer returned by
+ engaged is not guaranteed to be valid. Only the SensorManager knows
+ whether a SensorAgent pointer is still valid or not.
+
+ This function sends out a command to the sensor and notifies the
+ agent to return the answer to 'client'. The 'id' can be used by the
+ client to identify the answer. It is only passed through and never
+ used by the SensorAgent. So it can be any value the client suits to
+ use.
+ */
+ bool sendRequest( const QString &req, SensorClient *client, int id = 0 );
+
+ virtual void hostInfo( QString &sh, QString &cmd, int &port ) const = 0;
+
+ void disconnectClient( SensorClient *client );
+
+ const QString &hostName() const;
+
+ signals:
+ void reconfigure( const SensorAgent* );
+
+ protected:
+ void processAnswer( const QString &buffer );
+ void executeCommand();
+
+ SensorManager *sensorManager();
+
+ void setDaemonOnLine( bool value );
+ bool daemonOnLine() const;
+
+ void setTransmitting( bool value );
+ bool transmitting() const;
+
+ void setHostName( const QString &hostName );
+
+ private:
+ virtual bool writeMsg( const char *msg, int len ) = 0;
+ virtual bool txReady() = 0;
+
+ int mState;
+ QPtrList<SensorRequest> mInputFIFO;
+ QPtrList<SensorRequest> mProcessingFIFO;
+ QString mAnswerBuffer;
+ QString mErrorBuffer;
+
+ SensorManager *mSensorManager;
+
+ bool mDaemonOnLine;
+ bool mTransmitting;
+ QString mHostName;
+};
+
+/**
+ This auxilliary class is used to store requests during their processing.
+*/
+class SensorRequest
+{
+ public:
+ SensorRequest( const QString &request, SensorClient *client, int id );
+ ~SensorRequest();
+
+ void setRequest( const QString& );
+ QString request() const;
+
+ void setClient( SensorClient* );
+ SensorClient *client();
+
+ void setId( int );
+ int id();
+
+ private:
+ QString mRequest;
+ SensorClient *mClient;
+ int mId;
+};
+
+}
+
+#endif