sysresmonitoring/oommonitor/tsrc/oomtest/t_oomallocserver/clisrc/client.cpp
branchRCL_3
changeset 1 0fdb7f6b0309
child 19 924385140d98
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sysresmonitoring/oommonitor/tsrc/oomtest/t_oomallocserver/clisrc/client.cpp	Fri Feb 19 22:58:54 2010 +0200
@@ -0,0 +1,101 @@
+/*
+* 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 "t_oomclient.h"
+#include "../inc/clientserver.h"
+
+const TInt KServerDefaultMessageSlots = 1; //Number of message slots available per session.
+const TInt KServerRetryCount = 2;
+
+static TInt StartServer()
+//
+// Start the server process. Simultaneous launching
+// of two such processes should be detected when the second one attempts to
+// create the server object, failing with KErrAlreadyExists.
+//
+	{
+	const TUidType serverUid(KNullUid,KNullUid,KServerUid3);
+	RProcess server;
+	TInt r=server.Create(KAllocServerImg,KNullDesC,serverUid);
+	if (r!=KErrNone)
+		return r;
+	TRequestStatus stat;
+	server.Rendezvous(stat);
+	if (stat!=KRequestPending)
+		server.Kill(0);		// abort startup
+	else
+		server.Resume();	// logon OK - start the server
+	User::WaitForRequest(stat);		// wait for start or death
+	// we can't use the 'exit reason' if the server panicked as this
+	// is the panic 'reason' and may be '0' which cannot be distinguished
+	// from KErrNone
+	r=(server.ExitType()==EExitPanic) ? KErrGeneral : stat.Int();
+	server.Close();
+	return r;
+	}
+
+EXPORT_C TInt ROOMAllocSession::Connect()
+//
+// Connect to the server, attempting to start it if necessary
+//
+	{
+	TInt retry=KServerRetryCount;
+	for (;;)
+		{
+		TInt r=CreateSession(KAllocServerName,TVersion(0,0,0),KServerDefaultMessageSlots);
+		if (r!=KErrNotFound && r!=KErrServerTerminated)
+			return r;
+		if (--retry==0)
+			return r;
+		r=StartServer();
+		if (r!=KErrNone && r!=KErrAlreadyExists)
+			return r;
+		}
+	}
+
+EXPORT_C TInt ROOMAllocSession::Reset()
+	{
+	return SendReceive(EAllocServReset);
+	}
+
+EXPORT_C TInt ROOMAllocSession::StartAllocating()
+	{
+	return SendReceive(EAllocServStart);
+	}
+
+EXPORT_C TInt ROOMAllocSession::StopAllocating()
+	{
+	return SendReceive(EAllocServStop);
+	}
+
+EXPORT_C TInt ROOMAllocSession::MemoryLow(TUid aPlugin)
+	{
+	return SendReceive(EAllocServMemoryLow, TIpcArgs(aPlugin.iUid));
+	}
+
+EXPORT_C TInt ROOMAllocSession::MemoryGood(TUid aPlugin)
+	{
+	return SendReceive(EAllocServMemoryGood, TIpcArgs(aPlugin.iUid));
+	}
+
+EXPORT_C TInt ROOMAllocSession::Configure(TUid aPlugin, TUint aAllocRate, TUint aAllocInitial, TUint aAllocLimit)
+	{
+	return SendReceive(EAllocServConfig,TIpcArgs(aPlugin.iUid, aAllocRate, aAllocInitial, aAllocLimit));
+	}