--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/IMPSengine/ImpsDataChannel/inc/ImpsHttpTransaction.h Thu Dec 17 08:41:52 2009 +0200
@@ -0,0 +1,234 @@
+/*
+* Copyright (c) 2003 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: Http Transaction class for Imps.
+*
+*
+*/
+
+
+#ifndef IMPSHTTPTRANSACTION_H
+#define IMPSHTTPTRANSACTION_H
+
+// INCLUDES
+#include "http.h"
+#include "ImpsTransportTimerCallback.h"
+
+//CONSTANTS
+const TInt KMaxNumberOfRetries = 3;
+_LIT8( K8BitRequestPost, "POST" );
+
+//FORWARD DECLARATIONS
+class CImpsTransportTimer;
+class CHttpTransportAdapter;
+
+// CLASS DECLARATION
+class CImpsHttpTransaction : public CBase,
+ public MHTTPDataSupplier,
+ public TImpsTimingRequester
+ {
+ public: // Constructors and destructor
+
+ static CImpsHttpTransaction* NewL( CHttpTransportAdapter* aTransportAdapter,
+ const TInt aTID,
+ const TDesC8& aRequestBody );
+
+ /**
+ * Destructor.
+ */
+ virtual ~CImpsHttpTransaction();
+
+ /**
+ * Copies the request data
+ * @param aRequestData Data to be sent
+ */
+ void CopyRequestDataL( const TDesC8& aRequestData );
+
+ /**
+ * Copies the request data
+ * @param aRequestData Data to be sent
+ */
+ void ConstructRequestL();
+
+ /**
+ * Complete this request
+ * @param aErrorCode The completion code
+ */
+ void FinaliseRequestL( const TInt aErrorCode );
+
+ /**
+ * Delete the request data
+ * @return void
+ */
+ void DoReleaseData();
+
+ /**
+ * Sets the status of this transaction
+ * @param aSent Has this transaction been sent or not
+ */
+ void SetStatus( const TBool aSent );
+
+ /**
+ * Return the completion status of this transaction
+ * @return TInt HTTP Status of the transaction
+ */
+ const TInt HttpStatus() const;
+
+ /**
+ * Try to resend this request
+ * @return TBool Resent or not
+ */
+ TBool ResendL();
+
+ /**
+ * Send this transaction to be handled by the HTTP framework.
+ */
+ void DispatchMessageL();
+
+ /**
+ * Sets the expiry time of this transaction
+ * @param aExpiryTime Time period after which this transaction expires
+ * @param aCallback Handle to the receiver of the expiry event
+ */
+ void SetExpiryTimeL( const TTimeIntervalMicroSeconds32 aExpiryTime,
+ MImpsTransportTimerCallback* aCallback );
+
+ /**
+ * Append data to the response buffer.
+ */
+ void AppendDataL( const TPtrC8& aBodyPart,
+ const TBool aLastChunk );
+
+ /**
+ * Cancel this transaction
+ */
+ inline void Cancel();
+
+ /**
+ * Has this transaction been cancelled.
+ * @return TBool
+ */
+ inline TBool IsCancelled();
+
+ /**
+ * Has this transaction been sent
+ * @return TBool
+ */
+ inline TBool Status() const;
+
+ /**
+ * Returns the TID of this transaction
+ * @return TInt
+ */
+ inline const TInt TID() const;
+
+ /**
+ * Return the HTTP transaction associated with this transaction
+ * @return RHTTPTransaction
+ */
+ inline RHTTPTransaction Transaction() const;
+
+ /**
+ * Return the time stamp of this transaction
+ * @return TInt
+ */
+ inline const TInt SendTime() const;
+
+ /**
+ * Return the time stamp of this transaction
+ * @return TInt
+ */
+ inline const TBool LastChunk() const;
+
+ /**
+ * Set the Content-Length of the response
+ * @param TInt aContentLength
+ * @return void
+ */
+ inline void SetContentLength( const TInt aContentLength );
+
+#ifdef _DEBUG
+
+ /**
+ * Get the current time (System tick count)
+ */
+ TInt TimeL() const;
+
+#endif
+
+ private:
+
+ /**
+ * Second-phase constructor.
+ */
+ void ConstructL( const TDesC8& aRequestBody );
+
+ /**
+ * C++ default constructor is private.
+ */
+ CImpsHttpTransaction( CHttpTransportAdapter* aTransportAdapter,
+ const TInt aTID );
+
+ /**
+ * Returns the overall size of the payload data. This is part
+ * of MHTTPDataSupplier interface. Thus, this function is only
+ * called by the HTTP Stack
+ * @return TInt
+ */
+ inline TInt OverallDataSize();
+
+ /**
+ * From MHTTPDataSupplier Supplies the HTTP stack with the payload data
+ * @param aDataPart Upon return, contains the data to be sent
+ * @return Did we just supply the last chunk of data
+ */
+ TBool GetNextDataPart( TPtrC8& aDataPart );
+
+ /**
+ * The transaction has been sent, now release the data
+ * Part of MHTTPDataSupplier interface.
+ */
+ void ReleaseData();
+
+ /**
+ * Resets the transaction. Part of MHTTPDataSupplier interface.
+ * NOT USED, but needs to be declared, since the function has been
+ * defined as pure virtual in the base class
+ * @return KErrNotSupported
+ */
+ inline TInt Reset();
+
+ private: //Data
+
+ HBufC8* iRequestData;
+ CBufSeg* iResponseData;
+ CImpsTransportTimer* iExpiryTimer;
+ CHttpTransportAdapter* iTransportAdapter;
+ RHTTPTransaction iHttpTransaction;
+ const TInt iTID;
+ TInt iNumberOfRetries;
+ TInt iSendTime;
+ TInt iContentLength;
+ TInt iCurrentDataLength;
+ TTimeIntervalMicroSeconds32 iExpiryTime;
+ TBool iSent;
+ TBool iCancelled;
+ TBool iConstructed;
+ TBool iLastChunk;
+ };
+
+#include "ImpsHttpTransaction.inl"
+
+#endif
+
+// End of File