telephonyprotocols/rawipnif/src/Receiver.cpp
branchopencode
changeset 24 6638e7f4bd8f
parent 23 6b1d113cdff3
child 32 58332560b319
--- a/telephonyprotocols/rawipnif/src/Receiver.cpp	Mon May 03 13:37:20 2010 +0300
+++ b/telephonyprotocols/rawipnif/src/Receiver.cpp	Thu May 06 15:10:38 2010 +0100
@@ -1,168 +1,168 @@
-// Copyright (c) 2002-2010 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:
-// Implements the active object that controls the Read() requests.
-// 
-//
-
-/**
- @file
-*/
-
-#include "Receiver.h"
-#include "Constants.h"
-#include <es_ini.h>
-
-const TUint KBufferIncreaseStep=500;
-const TUint K64k=65535;
-
-CReceiver::CReceiver(CBcaIoController& aObserver, CBttLogger* aTheLogger, TUint aMaxPacketSize)
-/**
- * Constructor. Performs standard active object initialisation.
- *
- * @param aObserver Reference to the observer of this state machine
- * @param aTheLogger The logging object
- */
-	: CActive(EPriorityHigh), 
-	  iObserver(aObserver), 
-	  iTheLogger(aTheLogger),
-	  iMaxPacketSize(aMaxPacketSize)
-	{	
-	CActiveScheduler::Add(this);
-	}
-
-CReceiver* CReceiver::NewL(CBcaIoController& aObserver, CBttLogger* aTheLogger, TUint aMaxPacketSize)
-/**
- * Two-phase constructor. Creates a new CBcaIoController object, performs 
- * second-phase construction, then returns it.
- *
- * @param aObserver The observer, to which events will be reported
- * @param aTheLogger The logging object
- * @return A newly constructed CBcaIoController object
- */
-	{
-	CReceiver* self = new (ELeave) CReceiver(aObserver, aTheLogger, aMaxPacketSize);
-	CleanupStack::PushL(self);
-	self->ConstructL();
-	CleanupStack::Pop(self);
-	return self;
-	}
-
-void CReceiver::ConstructL()
-/**
- * Second-phase constructor. Creates all the state objects it owns.
- */
-	{
-	_LOG_L1C1(_L8("CReceiver::ConstructL"));
-	iData.CreateL(iMaxPacketSize);
-	}
-
-CReceiver::~CReceiver()
-/**
- * Destructor.
- */
-	{
-	iData.Close();
-	Cancel();
-	}
-
-void CReceiver::RunL()
-/**
- *  Method called when read request completes. This will only be once the BCA has a full IP 
- *  packet in its buffer.
- */
-	{
-	_LOG_L1C2(_L8("CReceiver::RunL [iStatus=%d]"), iStatus.Int());
-
-	if (iStatus != KErrNone)
-		{
-		if (iStatus == KErrNoMemory)
-			{
-			_LOG_L2C1(
-				_L8("WARNING! CReceiver: Read failed with KErrNoMemory. Increase buffer."));
-			// Read operation failed!! Nif will re-issue the read request. Increase buffer.			
-			if ((iMaxPacketSize + KBufferIncreaseStep) > K64k)
-			    {
-			    // In theory IP packet can't be bigger than 64k, so if we come here something is wrong so stop observer. 
-                iObserver.Stop(KErrNoMemory);
-			    }
-			else
-			    {
-                iMaxPacketSize += KBufferIncreaseStep;
-                TInt err = iData.ReAlloc(iMaxPacketSize);
-                if (KErrNoMemory == err)
-                    {                
-                    iObserver.Stop(KErrNoMemory);
-                    }
-                else
-                    {
-                    (iObserver.Bca())->Read(iStatus, iData);    
-                    SetActive();
-                    }
-			    }
-			}
-		else 
-			{
-			_LOG_L2C1(_L8("WARNING! CReceiver: Read failed"));
-			iObserver.Stop(iStatus.Int());
-			}
-		return;
-		}
-	else
-	    {
-        _LOG_L1C1(_L8("CReceiver: Data Packet Received"));
-    
-        iRMBufPacket.CreateL(iData);
-        
-        // Immediately execute new read request.
-        (iObserver.Bca())->Read(iStatus, iData);
-    
-        SetActive();
-        
-        iRMBufPacket.Pack();
-    
-#ifdef RAWIP_HEADER_APPENDED_TO_PACKETS
-        TUint16 protocolCode = iObserver.RemoveHeader(iRMBufPacket);
-#else
-        TUint16 protocolCode = 0;
-#endif // RAWIP_HEADER_APPENDED_TO_PACKETS
-    
-        // Process the packet
-        iObserver.GetObserver().Process(iRMBufPacket, protocolCode);
-        iRMBufPacket.Free();
-	    }
-	}
-
-void CReceiver::DoCancel()
-/**
- *	Cancel active request
- */
-	{
-	_LOG_L1C1(_L8("CReceiver::DoCancel"));
-
-	(iObserver.Bca())->CancelRead(); 
-	}
-
-void CReceiver::StartListening()
-/**
- *  This method issues a Read request. This is the API used to receive 
- *  packets from BCA.  
- */
-	{
-	_LOG_L1C1(_L8("CReceiver::StartListening"));
-
-	// The BCA will complete this read once it has a full IP packet in its buffer.
-	(iObserver.Bca())->Read(iStatus, iData);
-
-	SetActive();
-	}
+// Copyright (c) 2002-2010 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:
+// Implements the active object that controls the Read() requests.
+// 
+//
+
+/**
+ @file
+*/
+
+#include "Receiver.h"
+#include "Constants.h"
+#include <es_ini.h>
+
+const TUint KBufferIncreaseStep=500;
+const TUint K64k=65535;
+
+CReceiver::CReceiver(CBcaIoController& aObserver, CBttLogger* aTheLogger, TUint aMaxPacketSize)
+/**
+ * Constructor. Performs standard active object initialisation.
+ *
+ * @param aObserver Reference to the observer of this state machine
+ * @param aTheLogger The logging object
+ */
+	: CActive(EPriorityHigh), 
+	  iObserver(aObserver), 
+	  iTheLogger(aTheLogger),
+	  iMaxPacketSize(aMaxPacketSize)
+	{	
+	CActiveScheduler::Add(this);
+	}
+
+CReceiver* CReceiver::NewL(CBcaIoController& aObserver, CBttLogger* aTheLogger, TUint aMaxPacketSize)
+/**
+ * Two-phase constructor. Creates a new CBcaIoController object, performs 
+ * second-phase construction, then returns it.
+ *
+ * @param aObserver The observer, to which events will be reported
+ * @param aTheLogger The logging object
+ * @return A newly constructed CBcaIoController object
+ */
+	{
+	CReceiver* self = new (ELeave) CReceiver(aObserver, aTheLogger, aMaxPacketSize);
+	CleanupStack::PushL(self);
+	self->ConstructL();
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+void CReceiver::ConstructL()
+/**
+ * Second-phase constructor. Creates all the state objects it owns.
+ */
+	{
+	_LOG_L1C1(_L8("CReceiver::ConstructL"));
+	iData.CreateL(iMaxPacketSize);
+	}
+
+CReceiver::~CReceiver()
+/**
+ * Destructor.
+ */
+	{
+	iData.Close();
+	Cancel();
+	}
+
+void CReceiver::RunL()
+/**
+ *  Method called when read request completes. This will only be once the BCA has a full IP 
+ *  packet in its buffer.
+ */
+	{
+	_LOG_L1C2(_L8("CReceiver::RunL [iStatus=%d]"), iStatus.Int());
+
+	if (iStatus != KErrNone)
+		{
+		if (iStatus == KErrNoMemory)
+			{
+			_LOG_L2C1(
+				_L8("WARNING! CReceiver: Read failed with KErrNoMemory. Increase buffer."));
+			// Read operation failed!! Nif will re-issue the read request. Increase buffer.			
+			if ((iMaxPacketSize + KBufferIncreaseStep) > K64k)
+			    {
+			    // In theory IP packet can't be bigger than 64k, so if we come here something is wrong so stop observer. 
+                iObserver.Stop(KErrNoMemory);
+			    }
+			else
+			    {
+                iMaxPacketSize += KBufferIncreaseStep;
+                TInt err = iData.ReAlloc(iMaxPacketSize);
+                if (KErrNoMemory == err)
+                    {                
+                    iObserver.Stop(KErrNoMemory);
+                    }
+                else
+                    {
+                    (iObserver.Bca())->Read(iStatus, iData);    
+                    SetActive();
+                    }
+			    }
+			}
+		else 
+			{
+			_LOG_L2C1(_L8("WARNING! CReceiver: Read failed"));
+			iObserver.Stop(iStatus.Int());
+			}
+		return;
+		}
+	else
+	    {
+        _LOG_L1C1(_L8("CReceiver: Data Packet Received"));
+    
+        iRMBufPacket.CreateL(iData);
+        
+        // Immediately execute new read request.
+        (iObserver.Bca())->Read(iStatus, iData);
+    
+        SetActive();
+        
+        iRMBufPacket.Pack();
+    
+#ifdef RAWIP_HEADER_APPENDED_TO_PACKETS
+        TUint16 protocolCode = iObserver.RemoveHeader(iRMBufPacket);
+#else
+        TUint16 protocolCode = 0;
+#endif // RAWIP_HEADER_APPENDED_TO_PACKETS
+    
+        // Process the packet
+        iObserver.GetObserver().Process(iRMBufPacket, protocolCode);
+        iRMBufPacket.Free();
+	    }
+	}
+
+void CReceiver::DoCancel()
+/**
+ *	Cancel active request
+ */
+	{
+	_LOG_L1C1(_L8("CReceiver::DoCancel"));
+
+	(iObserver.Bca())->CancelRead(); 
+	}
+
+void CReceiver::StartListening()
+/**
+ *  This method issues a Read request. This is the API used to receive 
+ *  packets from BCA.  
+ */
+	{
+	_LOG_L1C1(_L8("CReceiver::StartListening"));
+
+	// The BCA will complete this read once it has a full IP packet in its buffer.
+	(iObserver.Bca())->Read(iStatus, iData);
+
+	SetActive();
+	}