systemhealthmanagement/systemhealthmgr/sysmonsrc/monitor.h
changeset 0 4e1aa6a622a0
child 21 ccb4f6b3db21
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/systemhealthmanagement/systemhealthmgr/sysmonsrc/monitor.h	Tue Feb 02 00:53:00 2010 +0200
@@ -0,0 +1,110 @@
+// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+#ifndef __SYSMONMONITOR_H__
+#define __SYSMONMONITOR_H__
+
+#include <e32std.h>
+#include <e32base.h>
+#include <startup.hrh>
+
+#include "logoncallback.h"
+#include "logonbackofftimer.h"
+
+class CSysMonServer;
+class CStartupProperties;
+class CLogonBackoffTimer;
+class CMonitor;
+
+/**
+Utility class used for decrementing the re-launch attempts after interval defined by 
+KIntervalForReLaunchRateOfFailure
+*/	
+NONSHARABLE_CLASS(CRelaunchIntervalTimer) : public CTimer
+	{
+public:
+	static CRelaunchIntervalTimer* NewL(CMonitor& aMonitor);
+	void Start();
+	~CRelaunchIntervalTimer();
+
+private:
+	CRelaunchIntervalTimer(CMonitor& aMonitor);
+	void ConstructL();
+
+private: // from CActive
+	void RunL();
+
+private:
+	CMonitor* iMonitor;
+	};
+
+/** 
+This class is responsible for monitoring a single process.
+@file
+@internalComponent
+@released
+*/
+class CMonitor:public CActive, public MLogonCallback
+	{
+public:
+	static CMonitor* NewL(CSysMonServer& aServer, const TProcessId& aId, CStartupProperties* aStartupProperties, TBool aExecuteRecoveryMethodOnFailure);
+	void Start();
+	TProcessId ProcessId() const;
+	~CMonitor();
+	void DecrementRelaunchAttempts();
+
+public:
+	// From MLogonCallback
+	TInt DoProcessLogon();
+	void ActivateSelf();
+	
+protected:
+	static TInt Callback(TAny* aParent);
+	void RestartProcessL();
+	void RunL();
+	void DoCancel();
+	TInt RunError(TInt aError);
+	void CancelMonitor();
+
+protected:
+	CMonitor(CSysMonServer& aServer, const TProcessId& aId);	
+	void ConstructL(CStartupProperties* aStartupProperties, TBool aExecuteRecoveryMethodOnFailure);
+
+public : 
+    static const TInt iOffset;
+
+private:
+	void FailureRecoveryPolicy();
+	TBool HasExceededRateOfFailurePolicy();
+#ifdef	SYMBIAN_SSM_GRACEFUL_SHUTDOWN
+	void RestartSysDll(TBool aUseStartupMode, TInt aStartupMode = 0);
+#endif	//SYMBIAN_SSM_GRACEFUL_SHUTDOWN
+private:
+	CSysMonServer& iSysMonServer;		
+	TProcessId iProcessId;	
+	RProcess iProcess;
+	TTime iLoadTime;
+	CStartupProperties* iStartupProperties;	
+	TSglQueLink iSglQueLink;
+	CLogonBackoffTimer* iLogonBackoffTimer;
+	TInt iReLaunchAttempts;	// Persistant count of the number of re-launch attempts.
+	CRelaunchIntervalTimer* iReLaunchIntervalTimer;	// Timer used for decrementing the re-launch attempts after interval defined by KIntervalForReLaunchRateOfFailure
+#ifdef	SYMBIAN_SSM_GRACEFUL_SHUTDOWN
+	RLibrary iRestartSysLib;
+	TBool iRestartSysLoaded;
+#endif	//SYMBIAN_SSM_GRACEFUL_SHUTDOWN
+	};
+
+#endif