diff -r 9c3798b88e30 -r b78e66e88238 cbsatplugin/atmisccmdplugin/src/cusdreadwriteimp.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cbsatplugin/atmisccmdplugin/src/cusdreadwriteimp.cpp	Sat Apr 24 00:30:17 2010 +0300
@@ -0,0 +1,155 @@
+/* Copyright (c) 2010 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 "cusdreadwriteimp.h"
+
+#include "cusdcommandhandler.h"
+#include "debug.h"
+
+CCUSSDReadMessageImpl* CCUSSDReadMessageImpl::NewL(MUSSDCallback* aCallback, RMobileUssdMessaging& aUssdSession)
+    {
+    TRACE_FUNC_ENTRY
+    CCUSSDReadMessageImpl* self = new(ELeave) CCUSSDReadMessageImpl(aCallback, aUssdSession);
+    TRACE_FUNC_EXIT
+    return self;
+    }
+
+CCUSSDReadMessageImpl::CCUSSDReadMessageImpl(MUSSDCallback* aCallback, 
+                                             RMobileUssdMessaging& aUssdSession):
+    CActive(CActive::EPriorityStandard),
+    iCallback(aCallback),
+    iUssdSession(aUssdSession)
+    {
+    TRACE_FUNC_ENTRY
+    CActiveScheduler::Add(this);
+    TRACE_FUNC_EXIT
+    }
+
+CCUSSDReadMessageImpl::~CCUSSDReadMessageImpl()
+    {    
+    TRACE_FUNC_ENTRY
+    Cancel();
+    TRACE_FUNC_EXIT
+    }
+
+void CCUSSDReadMessageImpl::RunL()
+    {
+    TRACE_FUNC_ENTRY
+    iCallback->HandleReadMessageComplete(iStatus.Int());
+    TRACE_FUNC_EXIT
+    }
+
+void CCUSSDReadMessageImpl::DoCancel()
+    {
+    TRACE_FUNC_ENTRY
+    iUssdSession.CancelAsyncRequest(EMobileUssdMessagingReceiveMessage);
+    TRACE_FUNC_EXIT
+    }
+
+TInt CCUSSDReadMessageImpl::ReadUSSDMessage(TDes8& aReceivedData,
+                                            RMobileUssdMessaging::TMobileUssdAttributesV1& aUssdReadAttribute)
+    {
+    TRACE_FUNC_ENTRY
+    
+    TInt retCode = KErrNone;
+    if(!IsActive())
+        {
+        TPckg<RMobileUssdMessaging::TMobileUssdAttributesV1> msgAttributes(aUssdReadAttribute);
+        iUssdSession.ReceiveMessage(iStatus, aReceivedData, msgAttributes);
+        SetActive();
+        }
+    else
+        {
+        retCode = KErrInUse;
+        }
+        
+    TRACE_FUNC_EXIT
+    return retCode;
+    }
+
+CCUSSDSendMessageImpl* CCUSSDSendMessageImpl::NewL(MUSSDCallback* aCallback, 
+                                                   RMobileUssdMessaging& aUssdSession)
+    {
+    TRACE_FUNC_ENTRY
+    CCUSSDSendMessageImpl* self = new(ELeave) CCUSSDSendMessageImpl(aCallback, aUssdSession);
+    TRACE_FUNC_EXIT
+    return self;
+    }
+
+CCUSSDSendMessageImpl::CCUSSDSendMessageImpl(MUSSDCallback* aCallback, 
+                                             RMobileUssdMessaging& aUssdSession):
+    CActive(CActive::EPriorityStandard),
+    iCallback(aCallback),
+    iUssdSession(aUssdSession)
+    {
+    TRACE_FUNC_ENTRY
+    CActiveScheduler::Add(this);
+    TRACE_FUNC_EXIT
+    }
+
+void CCUSSDSendMessageImpl::RunL()
+    {
+    TRACE_FUNC_ENTRY
+    iCallback->HandleSendMessageComplete(iStatus.Int());
+    TRACE_FUNC_EXIT
+    }
+
+void CCUSSDSendMessageImpl::DoCancel()
+    {
+    TRACE_FUNC_ENTRY
+    iUssdSession.CancelAsyncRequest(EMobileUssdMessagingSendMessage);   
+    TRACE_FUNC_EXIT
+    }
+
+TInt CCUSSDSendMessageImpl::HandleSendUSSDCmd(const TDesC8& aCmd, 
+                                              RMobileUssdMessaging::TMobileUssdAttributesV1& aUSSDAttribute)
+    {    
+    TRACE_FUNC_ENTRY
+    TInt retCode = KErrNone;
+    if(!IsActive())
+        {
+        // Get USSD messaging caps
+        RMobileUssdMessaging::TMobileUssdCapsV1 ussdCaps;
+        RMobileUssdMessaging::TMobileUssdCapsV1Pckg ussdCapsPckg(ussdCaps);
+   
+        iUssdSession.GetCaps(ussdCapsPckg);   
+        ussdCaps=ussdCapsPckg();
+        
+        if(ussdCaps.iUssdFormat != RMobileUssdMessaging::KCapsPackedString)
+            {
+            retCode =  KErrArgument;
+            }
+        else
+            {
+            // we only support packed strings?
+            aUSSDAttribute.iFormat = RMobileUssdMessaging::EFormatPackedString;
+            TPckg<RMobileUssdMessaging::TMobileUssdAttributesV1> msgAttributes(aUSSDAttribute);
+            iUssdSession.SendMessage(iStatus, aCmd, msgAttributes);
+            SetActive();
+            }   
+        }
+    else
+        {
+        retCode = KErrInUse;
+        }
+    TRACE_FUNC_EXIT
+    return retCode;
+    }
+
+CCUSSDSendMessageImpl::~CCUSSDSendMessageImpl()
+    {    
+    TRACE_FUNC_ENTRY
+    Cancel();
+    TRACE_FUNC_EXIT
+    }