// wget.h+
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// +
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// Copyright (c) 2008 - 2010 Accenture. All rights reserved.+
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// This component and the accompanying materials are made available+
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// under the terms of the "Eclipse Public License v1.0"+
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// which accompanies this distribution, and is available+
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".+
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// +
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// Initial Contributors:+
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// Accenture - Initial contribution+
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//+
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+
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#ifndef __W_GET_H__+
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#define __W_GET_H__+
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+
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#include <e32std.h>+
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#include <es_sock.h>+
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#include <rhttpsession.h>+
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#include <mhttpsessioneventcallback.h>+
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#include <mhttpauthenticationcallback.h>+
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#include <mhttptransactioncallback.h>+
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#include <mhttpdatasupplier.h>+
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#include <fshell/ioutils.h>+
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+
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using namespace IoUtils;+
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+
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const TUint32 KDefaultChunkSize = 0x200; // 512 Bytes+
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+
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//+
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// CCmdWget+
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// fshell command to retrieve a file from an HTTP Server on a network+
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//+
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class CCmdWget : public CCommandBase, public MHTTPSessionEventCallback, public MHTTPAuthenticationCallback, public MHTTPTransactionCallback, public MHTTPDataSupplier+
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	{+
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public:+
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	static CCommandBase* NewLC();+
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	~CCmdWget();+
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private:+
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	CCmdWget();+
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	void PrepareDownloadFileL();+
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	void PrepareUploadFileL();+
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	void DumpRespHeadersL(RHTTPTransaction& aTransaction);+
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	void LaunchConnectionL();+
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	void ConfigureHTTPL();+
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	void LaunchHTTPTransactionL();+
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	+
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	// From CCommandBase.+
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	virtual const TDesC& Name() const;+
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	virtual void DoRunL();+
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	virtual void ArgumentsL(RCommandArgumentList& aArguments);+
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	virtual void OptionsL(RCommandOptionList& aOptions);+
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+
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	// From MHTTPSessionEventCallback+
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	virtual void MHFSessionRunL(const THTTPSessionEvent& aEvent);+
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	virtual TInt MHFSessionRunError(TInt aError, const THTTPSessionEvent& aEvent);+
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	+
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	// From MHTTPTransactionCallback+
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	virtual void MHFRunL(RHTTPTransaction aTransaction, const THTTPEvent& aEvent);+
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	virtual TInt MHFRunError(TInt aError, RHTTPTransaction aTransaction, const THTTPEvent& aEvent);+
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+
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	// From MHTTPAuthenticationCallback+
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	virtual TBool GetCredentialsL(const TUriC8& aURI, RString aRealm, RStringF aAuthenticationType, RString& aUsername, RString& aPassword);+
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	+
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	// From MHTTPDataSupplier+
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	virtual TBool GetNextDataPart(TPtrC8& aDataPart);+
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	virtual void ReleaseData();+
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	virtual TInt OverallDataSize();+
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	virtual TInt Reset();+
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private:+
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	RHTTPSession iSession;+
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	RHTTPTransaction iTransaction;+
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	RHTTPRequest iRequest;+
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	RSocketServ iSocketServ;+
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	RConnection iConnection;+
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	RFile iLocalFile;+
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	TInt iLocalFileSize;+
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	TInt iLocalBytesRead;+
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	TBuf8<KDefaultChunkSize> iPrevData;+
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	TBool iSessionIsOpen;+
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	TBool iReleaseDataCalled;+
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	+
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	// user-specified arguments & options+
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	TBool iContinue;+
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	TBool iVerbose;+
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	TBool iPostData;+
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	HBufC* iUrl;+
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	HBufC* iUsername;+
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	HBufC* iPassword;+
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	TFileName2 iDestinationFilename;+
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	TFileName2 iUploadFilename;+
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	TInt iIapId;+
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	};+
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+
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#endif // __W_GET_H__+
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