--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/localconnectivityservice/dun/utils/inc/DunStream.h Fri Jun 11 14:27:06 2010 +0300
@@ -0,0 +1,229 @@
+/*
+* Copyright (c) 2007 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: Definitions needed for common stream functionality
+*
+*/
+
+
+#ifndef C_CDUNSTREAM_H
+#define C_CDUNSTREAM_H
+
+#include "DunTransporter.h"
+
+/**
+ * Class for common stream functionality
+ *
+ * @lib dunutils.lib
+ * @since S60 v3.2
+ */
+NONSHARABLE_CLASS( CDunStream ) : public CActive
+ {
+
+public:
+
+ /**
+ * Resets data to initial values
+ *
+ * @since S60 3.2
+ * @return None
+ */
+ void ResetData();
+
+ /**
+ * Adds error code to consider as "no error" to either endpoint
+ *
+ * @since S60 3.2
+ * @param aError Error code to add
+ * @param aOperationType Type of operation for which to add error
+ * (read or write)
+ * @return Symbian error code on error, KErrNone otherwise
+ */
+ TInt AddSkippedError( TInt aError, TDunOperationType aOperationType );
+
+ /**
+ * Adds callback for line status change controlling
+ * The callback will be called when serious read error is detected
+ *
+ * @since S60 3.2
+ * @param aCallback Callback to call when read error occurs
+ * @param aOperationType Type of operation for which to add error
+ * (read or write)
+ * @return Symbian error code on error, KErrNone otherwise
+ */
+ TInt AddConnMonCallback( MDunConnMon* aCallback,
+ TDunOperationType aOperationType );
+
+ /**
+ * Sets buffering for this stream
+ *
+ * @since S60 3.2
+ * @param aBufferPtr Pointer to the buffer
+ * @return KErrGeneral if buffer pointer null, KErrNone otherwise
+ */
+ TInt SetBuffering( TPtr8* aBufferPtr );
+
+ /**
+ * Sets media to be used for this endpoint
+ *
+ * @since S60 3.2
+ * @param aComm RComm pointer to use as the endpoint
+ * @param aMediaContext Media context to use for this endpoint, either
+ * local or network
+ * @return Symbian error code on error, KErrNone otherwise
+ */
+ TInt SetMedia( RComm* aComm, TDunMediaContext aMediaContext );
+
+ /**
+ * Sets media to be used for this endpoint
+ *
+ * @since S60 3.2
+ * @param aSocket RSocket pointer to use as the endpoint
+ * @param aMediaContext Media context to use for this endpoint, either
+ * local or network
+ * @return Symbian error code on error, KErrNone otherwise
+ */
+ TInt SetMedia( RSocket* aSocket, TDunMediaContext aMediaContext );
+
+ /**
+ * Gets media context
+ *
+ * @since S60 3.2
+ * @param aStreamType Stream type
+ * @return Media context in use
+ */
+ TDunMediaContext GetMediaContext( TDunStreamType aStreamType );
+
+protected:
+
+ CDunStream();
+
+ /**
+ * Destructor.
+ */
+ virtual ~CDunStream();
+
+ /**
+ * Check whether an error code is severe error or not
+ *
+ * @since S60 3.2
+ * @param aError Error code to check for severity
+ * @param aIsError ETrue if error code is error, EFalse if not error
+ * @return ETrue if severe error detected, EFalse if not severe error
+ */
+ TBool ProcessErrorCondition( TInt aError, TBool& aIsError );
+
+// from base class CActive
+
+ /**
+ * From CActive.
+ * Gets called when endpoint data read/write complete
+ *
+ * @since S60 3.2
+ * @return None
+ */
+ virtual void RunL() {};
+
+ /**
+ * From CActive.
+ * Gets called on cancel
+ *
+ * @since S60 3.2
+ * @return None
+ */
+ virtual void DoCancel() {};
+
+private:
+
+ /**
+ * Initializes this class
+ *
+ * @since S60 3.2
+ * @return None
+ */
+ void Initialize();
+
+protected: // data
+
+ /**
+ * Pointer to stream's data buffer: upstream or downstream
+ * Not own.
+ */
+ TPtr8* iBufferPtr;
+
+ /**
+ * Callback(s) to call when notification(s) via MDunConnMon to be made
+ * These callbacks are called on read failures
+ */
+ RPointerArray<MDunConnMon> iCallbacksR;
+
+ /**
+ * Callback(s) to call when notification(s) via MDunConnMon to be made
+ * These callbacks are called on write failures
+ */
+ RPointerArray<MDunConnMon> iCallbacksW;
+
+ /**
+ * Read length set when RSocket::RecvOneOrMore() request completes
+ */
+ TSockXfrLength iReadLengthSocket;
+
+ /**
+ * Type of current operation: read or write
+ */
+ TDunOperationType iOperationType;
+
+ /**
+ * Current state of transfer: active or inactive
+ */
+ TDunState iTransferState;
+
+ /**
+ * Direction of data transfer
+ * This is set after iStreamType and iOperationType are known
+ */
+ TDunDirection iDirection;
+
+ /**
+ * Array of error codes that will be skipped for read operations
+ */
+ RArray<TInt> iOkErrorsR;
+
+ /**
+ * Array of error codes that will be skipped for write operations
+ */
+ RArray<TInt> iOkErrorsW;
+
+ /**
+ * RComm object of network side
+ * Not own.
+ */
+ RComm* iNetwork;
+
+ /**
+ * RSocket object of local media side
+ * If this is set then iComm is not used
+ * Not own.
+ */
+ RSocket* iSocket;
+
+ /**
+ * RComm object of local media side
+ * If this is set then iSocket is not used
+ * Not own.
+ */
+ RComm* iComm;
+
+ };
+
+#endif // C_CDUNSTREAM_H