// wget.h

// 

// Copyright (c) 2008 - 2010 Accenture. All rights reserved.

// This component and the accompanying materials are made available

// under the terms of the "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:

// Accenture - Initial contribution

//

#ifndef __W_GET_H__

#define __W_GET_H__

#include <e32std.h>

#include <es_sock.h>

#include <rhttpsession.h>

#include <mhttpsessioneventcallback.h>

#include <mhttpauthenticationcallback.h>

#include <mhttptransactioncallback.h>

#include <mhttpdatasupplier.h>

#include <fshell/ioutils.h>

using namespace IoUtils;

const TUint32 KDefaultChunkSize = 0x200; // 512 Bytes

//

// CCmdWget

// fshell command to retrieve a file from an HTTP Server on a network

//

class CCmdWget : public CCommandBase, public MHTTPSessionEventCallback, public MHTTPAuthenticationCallback, public MHTTPTransactionCallback, public MHTTPDataSupplier

	{

public:

	static CCommandBase* NewLC();

	~CCmdWget();

private:

	CCmdWget();

	void PrepareDownloadFileL();

	void PrepareUploadFileL();

	void DumpRespHeadersL(RHTTPTransaction& aTransaction);

	void LaunchConnectionL();

	void ConfigureHTTPL();

	void LaunchHTTPTransactionL();

	// From CCommandBase.

	virtual const TDesC& Name() const;

	virtual void DoRunL();

	virtual void ArgumentsL(RCommandArgumentList& aArguments);

	virtual void OptionsL(RCommandOptionList& aOptions);

	// From MHTTPSessionEventCallback

	virtual void MHFSessionRunL(const THTTPSessionEvent& aEvent);

	virtual TInt MHFSessionRunError(TInt aError, const THTTPSessionEvent& aEvent);

	// From MHTTPTransactionCallback

	virtual void MHFRunL(RHTTPTransaction aTransaction, const THTTPEvent& aEvent);

	virtual TInt MHFRunError(TInt aError, RHTTPTransaction aTransaction, const THTTPEvent& aEvent);

	// From MHTTPAuthenticationCallback

	virtual TBool GetCredentialsL(const TUriC8& aURI, RString aRealm, RStringF aAuthenticationType, RString& aUsername, RString& aPassword);

	// From MHTTPDataSupplier

	virtual TBool GetNextDataPart(TPtrC8& aDataPart);

	virtual void ReleaseData();

	virtual TInt OverallDataSize();

	virtual TInt Reset();

private:

	RHTTPSession iSession;

	RHTTPTransaction iTransaction;

	RHTTPRequest iRequest;

	RSocketServ iSocketServ;

	RConnection iConnection;

	RFile iLocalFile;

	TInt iLocalFileSize;

	TInt iLocalBytesRead;

	TBuf8<KDefaultChunkSize> iPrevData;

	TBool iSessionIsOpen;

	TBool iReleaseDataCalled;

	// user-specified arguments & options

	TBool iContinue;

	TBool iVerbose;

	TBool iPostData;

	HBufC* iUrl;

	HBufC* iUsername;

	HBufC* iPassword;

	TFileName2 iDestinationFilename;

	TFileName2 iUploadFilename;

	TInt iIapId;

	};

#endif // __W_GET_H__