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#ifndef CHTTPReceiver_H
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#define CHTTPReceiver_H
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#include <http.h>
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#include <mhttpdatasupplier.h>
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#include <mhttptransactioncallback.h>
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#include <Es_sock.h>
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#include <chttpformencoder.h>
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// CONSTANTS
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// None.
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// MACROS
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#ifdef _DEBUG
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#define TRACE( text ) RDebug::Printf( text );
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#define TRACE2( text, arg ) RDebug::Printf( text, arg );
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#else
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#define TRACE( text )
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#define TRACE2( text, arg )
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#endif
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// DATA TYPES
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// None.
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// FUNCTION PROTOTYPES
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// None.
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// FORWARD DECLARATIONS
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// None.
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class MHTTPRecvObserver
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{
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public:
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/**
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* Callback for HTTP response received.
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* @param aStatus Status code.
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* @return None.
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*/
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virtual void HTTPFileReceived( TInt aStatus ) = 0;
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};
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// CLASS DECLARATION
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class CHTTPReceiver
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: public CBase,
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public MHTTPTransactionCallback
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{
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public: // Constructors and destructor
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/**
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* Two-phased constructor.
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*/
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static CHTTPReceiver* NewL( MHTTPRecvObserver& aObserver );
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/**
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* Two-phased constructor.
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*/
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static CHTTPReceiver* NewLC( MHTTPRecvObserver& aObserver );
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/**
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* Destructor.
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*/
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virtual ~CHTTPReceiver();
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/**
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* Cancels the current HTTP transaction.
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*/
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void CancelTransaction();
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/**
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* Opens a connection to destination aUri and sends data using HTTP GET.
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* Callbacks via MHTTPRecvObserver::HTTPFileReceived
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* Leaves with KErrNotReady If network is not available
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* @param aUri Destination URL, if http scheme not specified, prepends scheme.
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*/
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void SendHTTPGetL( const TDesC8& aUri );
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protected: // Constructors and destructor
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/**
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* C++ default constructor.
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*/
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CHTTPReceiver( MHTTPRecvObserver& aObserver );
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/**
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* Symbian 2nd phase constructor.
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*/
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void ConstructL();
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/**
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* Sets HTTP header fields.
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* @param aHeaders HTTP headers.
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* @param aHdrField Header field to set.
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* @param aHdrValue Header field value.
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*/
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void SetHeaderL(RHTTPHeaders aHeaders, TInt aHdrField,
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const TDesC8& aHdrValue);
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//From MHTTPTransactionCallback
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/**
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* Called by HTTP framework when HTTP events occur.
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* @param aTransaction The transaction that the event has occurred on.
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* @param aEvent The event that has occurred.
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*/
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void MHFRunL(RHTTPTransaction aTransaction, const THTTPEvent& aEvent);
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/**
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* Called when RunL leaves from a transaction event.
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* @param aError The leave code that RunL left with.
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* @param aTransaction The transaction that was being processed.
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* @param aEvent The event that was being processed.
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* @return KErrNone.
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*/
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TInt MHFRunError( TInt aError,
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RHTTPTransaction aTransaction,
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const THTTPEvent& aEvent);
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/**
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* Starts HTTP connection.
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*/
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void SetupConnectionL();
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/**
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* Utility:Checks for http uri scheme and prepends if not exists to the url
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* @param aUri UriParser.
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* @param aURL URL to check for.
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* @return None
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*/
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void CheckForHTTPSchemeL(TUriParser8& aUri, const TDesC8& aURL);
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/**
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* Utility: finish receiving, call calback HTTPFileReceived()
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* @param aError to be signaled
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* @return None
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*/
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void Finalize();
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private:
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// Request uri, might need to prepend http scheme.
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HBufC8* iUrl;
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// RSocketServ object.
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RSocketServ iSocketServ;
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// RConnection object.
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RConnection iConnection;
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// HTTP session.
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RHTTPSession iSession;
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// HTTP transaction used for request.
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RHTTPTransaction iTransaction;
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// Observer to notify.
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MHTTPRecvObserver& iObserver;
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// ETrue if transaction in progress.
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TBool iRunning;
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// ETrue if connection set up done.
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TBool iConnectionSetupDone;
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// Response Status
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TInt iResponseStatus;
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#ifdef _DEBUG
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// Http response body written to file
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RFile iResponseFile;
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// RFs to be used for writing to iResponseFile
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RFs iFs;
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#endif
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};
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#endif
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// CHTTPReceiver_H
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// End of File
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