sysstatemgmt/systemstatemgr/sus/src/susutilsession.cpp
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     1 // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of "Eclipse Public License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 //
       
    15 
       
    16 #include <ssm/ssmsuscli.h>
       
    17 
       
    18 #ifdef SYMBIAN_SSM_GRACEFUL_SHUTDOWN
       
    19 #include <ssm/ssmpatchableconstants.h>
       
    20 #include <e32uid.h>
       
    21 #include <e32property.h>
       
    22 #endif	// SYMBIAN_SSM_GRACEFUL_SHUTDOWN
       
    23 
       
    24 #include "susutilserver.h"
       
    25 #include "susutilsession.h"
       
    26 #include "susutilclisrv.h"
       
    27 #include "ssmdebug.h"
       
    28 
       
    29 CSusUtilSession::~CSusUtilSession()
       
    30 	{
       
    31 	}
       
    32 
       
    33 CSusUtilSession::CSusUtilSession()
       
    34 	{
       
    35 	}
       
    36 
       
    37 CSusUtilSession* CSusUtilSession::NewL()
       
    38 	{	
       
    39 	CSusUtilSession* session = new(ELeave) CSusUtilSession();
       
    40 	return session;
       
    41 	}
       
    42 
       
    43 void CSusUtilSession::ServiceL(const RMessage2& aMessage)
       
    44 	{
       
    45     const TBool allowed = (aMessage.SecureId() == UtilServer()->ClientSecureId());
       
    46     SSMLOGLEAVEIFFALSE( allowed, KErrPermissionDenied);
       
    47 
       
    48 	switch (aMessage.Function())
       
    49 		{
       
    50 		case ERequestLoadSup:
       
    51 			{
       
    52 			DEBUGPRINT1(_L ("CSusUtilSession received: ERequestLoadSup "));
       
    53 			
       
    54 			if (sizeof(TSsmSupInfo) != aMessage.GetDesLengthL(0))
       
    55 				{
       
    56 				//Leave with KErrArgument if client passes other than TSsmSupInfo
       
    57 				DEBUGPRINT2(_L ("size of TSsmSupInfo - %d "),sizeof(TSsmSupInfo));
       
    58 				User::Leave(KErrArgument);
       
    59 				}
       
    60 			
       
    61 			TSsmSupInfo pluginInfo;
       
    62 			TPckg<TSsmSupInfo> pckg(pluginInfo);
       
    63 			aMessage.ReadL(0, pckg);
       
    64 			
       
    65 			UtilServer()->LoadUtilityPluginL(pluginInfo);
       
    66 			aMessage.Complete(KErrNone);
       
    67 			break;
       
    68 			}
       
    69 		case ERequestLoadSupCancel:
       
    70 			{
       
    71 			DEBUGPRINT1(_L ("CSusUtilSession received: ERequestLoadSupCancel "));
       
    72 		 	//Current design will never have any pending async operations
       
    73 			aMessage.Complete(KErrNone);
       
    74 			break;	
       
    75 			}
       
    76 		case ERequestUnLoadSup:
       
    77 			{
       
    78 			DEBUGPRINT1(_L ("CSusUtilSession received: ERequestUnLoadSup "));
       
    79 
       
    80 			if (sizeof(TSsmSupInfo) != aMessage.GetDesLengthL(0))
       
    81 				{
       
    82 				//Leave with KErrArgument if client passes other than TSsmSupInfo
       
    83 				User::Leave(KErrArgument);
       
    84 				}
       
    85 
       
    86 			TSsmSupInfo pluginInfo;
       
    87 			TPckg<TSsmSupInfo> pckg(pluginInfo);
       
    88 			aMessage.ReadL(0, pckg);
       
    89 
       
    90 		 	const TInt index = UtilServer()->UnLoadUtilityPluginL(pluginInfo);
       
    91 		 	aMessage.Complete( (index>KErrNotFound) ? KErrNone : KErrNotFound );
       
    92 			break;	
       
    93 			}
       
    94 #ifdef _DEBUG
       
    95 		case (EEndOfSusUtilOpCodes):
       
    96 			{
       
    97 			DEBUGPRINT1(_L ("CSusUtilSession received: EEndOfSusUtilOpCodes, shutting down "));
       
    98 			aMessage.Complete (KErrNone);
       
    99 			CActiveScheduler::Stop();
       
   100 			break;
       
   101 			}
       
   102 #endif //_DEBUG
       
   103 		//Only for testing purpose
       
   104 		case EDebugMarkHeap:
       
   105 #ifdef _DEBUG
       
   106 			DEBUGPRINT1(_L ("CSusUtilSession received EDebugMarkHeap(start Heap mark)"));
       
   107 			__UHEAP_MARK;
       
   108 #endif
       
   109 			aMessage.Complete(KErrNone);
       
   110 			break;
       
   111 		//Only for testing purpose
       
   112 		case EDebugMarkHeapEnd:
       
   113 #ifdef _DEBUG
       
   114 			DEBUGPRINT1(_L ("CSusUtilSession received EDebugMarkHeapEnd(end Heap mark)"));
       
   115 			__UHEAP_MARKEND;
       
   116 #endif
       
   117 			aMessage.Complete(KErrNone);
       
   118 			break;
       
   119 		//Only for testing purpose
       
   120 		case EDebugCompressPluginArray:
       
   121 #ifdef _DEBUG
       
   122 			UtilServer()->CompressPluginArray();
       
   123 #endif
       
   124 			aMessage.Complete(KErrNone);
       
   125 			break;
       
   126 		default:
       
   127 			//Should never come here if policy-server configuraion is correct in susutilserver.cpp
       
   128 			DEBUGPRINT2(_L("CSusUtilSession received unsupported request: %d "), aMessage.Function());
       
   129 			aMessage.Complete (KErrNotSupported);
       
   130 			break;
       
   131 		}
       
   132 	}
       
   133 
       
   134 void CSusUtilSession::ServiceError(const RMessage2 &aMessage, TInt aError)
       
   135 	{
       
   136 	DEBUGPRINT2(_L ("CSusUtilSession: ServiceError %d"), aError);
       
   137 	aMessage.Complete (aError);
       
   138 	}
       
   139 
       
   140 /**
       
   141  Returns a pointer to the server object
       
   142  */
       
   143 CSusUtilServer* CSusUtilSession::UtilServer()
       
   144 	{
       
   145 	return static_cast<CSusUtilServer*> (const_cast<CServer2*> (Server()));
       
   146 	}