--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sysresmonitoring/oommonitor/tsrc/oomtest/t_oomallocserver/srvsrc/server.cpp Fri Feb 19 22:58:54 2010 +0200
@@ -0,0 +1,277 @@
+/*
+* Copyright (c) 2006 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:
+*
+*/
+
+
+
+
+#include "server.h"
+#include <e32property.h>
+#include "t_oomdummyplugin_properties.h"
+
+inline CShutdown::CShutdown()
+ :CTimer(-1)
+ {CActiveScheduler::Add(this);}
+inline void CShutdown::ConstructL()
+ {CTimer::ConstructL();}
+inline void CShutdown::Start()
+ {After(KMyShutdownDelay);}
+
+inline CMyServer::CMyServer()
+ :CServer2(CActive::EPriorityStandard, ESharableSessions)
+ {}
+
+inline CMySession::CMySession()
+ {}
+inline CMyServer& CMySession::Server()
+ {return *static_cast<CMyServer*>(const_cast<CServer2*>(CSession2::Server()));}
+inline TBool CMySession::ReceivePending() const
+ {return !iReceiveMsg.IsNull();}
+
+
+///////////////////////
+
+void CMySession::CreateL()
+//
+// 2nd phase construct for sessions - called by the CServer framework
+//
+ {
+ Server().AddSession();
+ }
+
+CMySession::~CMySession()
+ {
+ Server().DropSession();
+ }
+
+void CMySession::Send(const TDesC& aMessage)
+//
+// Deliver the message to the client, truncating if required
+// If the write fails, panic the client, not the sender
+//
+ {
+ if (ReceivePending())
+ {
+ TPtrC m(aMessage);
+ if (iReceiveLen<aMessage.Length())
+ m.Set(m.Left(iReceiveLen));
+ TInt r=iReceiveMsg.Write(0,m);
+ if (r==KErrNone)
+ iReceiveMsg.Complete(KErrNone);
+ else
+ PanicClient(iReceiveMsg,EPanicBadDescriptor);
+ }
+ }
+
+void CMySession::ServiceL(const RMessage2& aMessage)
+//
+// Handle a client request.
+// Leaving is handled by CMyServer::ServiceError() which reports
+// the error code to the client
+//
+ {
+ switch (aMessage.Function())
+ {
+ case EAllocServReset:
+ aMessage.Complete(Server().AllocManager().Reset());
+ break;
+ case EAllocServConfig:
+ Server().AllocManager().ConfigureL(aMessage.Int0(),
+ aMessage.Int1(), aMessage.Int2(), aMessage.Int3());
+ aMessage.Complete(KErrNone);
+ break;
+ case EAllocServStart:
+ aMessage.Complete(Server().AllocManager().StartAllocating());
+ break;
+ case EAllocServStop:
+ aMessage.Complete(Server().AllocManager().StopAllocating());
+ break;
+ case EAllocServMemoryLow:
+ aMessage.Complete(Server().AllocManager().MemoryLow(aMessage.Int0()));
+ break;
+ case EAllocServMemoryGood:
+ aMessage.Complete(Server().AllocManager().MemoryGood(aMessage.Int0()));
+ break;
+ default:
+ PanicClient(aMessage, EPanicIllegalFunction);
+ break;
+ }
+ }
+
+void CMySession::ServiceError(const RMessage2& aMessage,TInt aError)
+//
+// Handle an error from CMySession::ServiceL()
+// A bad descriptor error implies a badly programmed client, so panic it;
+// otherwise use the default handling (report the error to the client)
+//
+ {
+ if (aError==KErrBadDescriptor)
+ PanicClient(aMessage,EPanicBadDescriptor);
+ CSession2::ServiceError(aMessage,aError);
+ }
+
+void CShutdown::RunL()
+//
+// Initiate server exit when the timer expires
+//
+ {
+ CActiveScheduler::Stop();
+ }
+
+CServer2* CMyServer::NewLC()
+ {
+ CMyServer* self=new(ELeave) CMyServer;
+ CleanupStack::PushL(self);
+ self->ConstructL();
+ return self;
+ }
+
+void CMyServer::ConstructL()
+//
+// 2nd phase construction - ensure the timer and server objects are running
+//
+ {
+ StartL(KAllocServerName);
+ iShutdown.ConstructL();
+ // ensure that the server still exits even if the 1st client fails to connect
+ iShutdown.Start();
+ DefinePropertiesL();
+ iAllocManager = CAllocManager::NewL();
+ }
+
+_LIT_SECURITY_POLICY_PASS(KAlwaysPass);
+
+void CMyServer::DefinePropertiesL()
+ {
+ TInt err;
+ for(TUint i=KUidOOMDummyPluginFirstImplementation;i<=KUidOOMDummyPluginLastImplementation;i++)
+ {
+ err = RProperty::Define(KUidOomPropertyCategory, i + KOOMDummyPluginLowMemoryCount, RProperty::EInt, KAlwaysPass, KAlwaysPass);
+ if(err != KErrNone && err != KErrAlreadyExists) User::Leave(err);
+ err = RProperty::Define(KUidOomPropertyCategory, i + KOOMDummyPluginGoodMemoryCount, RProperty::EInt, KAlwaysPass, KAlwaysPass);
+ if(err != KErrNone && err != KErrAlreadyExists) User::Leave(err);
+ err = RProperty::Define(KUidOomPropertyCategory, i + KOOMDummyPluginCurrentAllocationBytes, RProperty::EInt, KAlwaysPass, KAlwaysPass);
+ if(err != KErrNone && err != KErrAlreadyExists) User::Leave(err);
+ err = RProperty::Define(KUidOomPropertyCategory, i + KOOMDummyPluginBytesRequested, RProperty::EInt, KAlwaysPass, KAlwaysPass);
+ if(err != KErrNone && err != KErrAlreadyExists) User::Leave(err);
+ }
+ }
+
+CSession2* CMyServer::NewSessionL(const TVersion&,const RMessage2&) const
+//
+// Cretae a new client session. This should really check the version number.
+//
+ {
+ return new(ELeave) CMySession();
+ }
+
+void CMyServer::AddSession()
+//
+// A new session is being created
+// Cancel the shutdown timer if it was running
+//
+ {
+ ++iSessionCount;
+ iShutdown.Cancel();
+ }
+
+void CMyServer::DropSession()
+//
+// A session is being destroyed
+// Start the shutdown timer if it is the last session.
+//
+ {
+ if (--iSessionCount==0)
+ iShutdown.Start();
+ }
+
+void CMyServer::Send(const TDesC& aMessage)
+//
+// Pass on the signal to all clients
+//
+ {
+ iSessionIter.SetToFirst();
+ CSession2* s;
+ while ((s=iSessionIter++)!=0)
+ static_cast<CMySession*>(s)->Send(aMessage);
+ }
+
+CMyServer::~CMyServer()
+ {
+ delete iAllocManager;
+ }
+
+CAllocManager& CMyServer::AllocManager()
+ {
+ return *iAllocManager;
+ }
+
+void PanicClient(const RMessagePtr2& aMessage,TMyPanic aPanic)
+//
+// RMessage::Panic() also completes the message. This is:
+// (a) important for efficient cleanup within the kernel
+// (b) a problem if the message is completed a second time
+//
+ {
+ _LIT(KPanic,"MyServer");
+ aMessage.Panic(KPanic,aPanic);
+ }
+
+static void RunServerL()
+//
+// Perform all server initialisation, in particular creation of the
+// scheduler and server and then run the scheduler
+//
+ {
+ // naming the server thread after the server helps to debug panics
+ User::LeaveIfError(RThread::RenameMe(KAllocServerName));
+ //
+ // create and install the active scheduler we need
+ CActiveScheduler* s=new(ELeave) CActiveScheduler;
+ CleanupStack::PushL(s);
+ CActiveScheduler::Install(s);
+ //
+ // create the server (leave it on the cleanup stack)
+ CMyServer::NewLC();
+ //
+ // Initialisation complete, now signal the client
+ RProcess::Rendezvous(KErrNone);
+ //
+ // Ready to run
+ CActiveScheduler::Start();
+ //
+ // Cleanup the server and scheduler
+ CleanupStack::PopAndDestroy(2);
+ }
+
+TInt E32Main()
+//
+// Server process entry-point
+//
+ {
+ __UHEAP_MARK;
+ //
+ CTrapCleanup* cleanup=CTrapCleanup::New();
+ TInt r=KErrNoMemory;
+ if (cleanup)
+ {
+ TRAP(r,RunServerL());
+ delete cleanup;
+ }
+ //
+ __UHEAP_MARKEND;
+ return r;
+ }