1 // Copyright (c) 2001-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // Started by AY, May 1997

    15 // 

    16 //

    17 

    18 #include <e32base.h>

    19 #include <es_sock.h>

    20 #include <in_sock.h>

    21 #include <e32test.h>

    22 #include <f32file.h>

    23 

    24 enum TOpCode 

    25 	{

    26 	ERRQ=1,EWRQ,EDATA,EACK,EERR

    27 	};

    28 

    29 enum TOpComp 

    30 	{

    31 	ETimedOut=1,ESendFail,ERecvFail,EOpComplete,EFileOpenFailure,EError

    32 	};

    33 

    34 class TTftpPacket : public TPtr8

    35 	{

    36 public:

    37 	TTftpPacket();

    38 	TBool CheckBlock();

    39 	TInt OpCode();

    40 	void MakeRqst(const TOpCode aOpc, const TDesC& aName, const TDesC& aMode); 

    41 	void MakeAckn();

    42 	TInt MakeData(const TDesC8& aData);  

    43 	void MakeError();//will need error code (will then lookup msg? 

    44 private:

    45 	TUint8 iBuffer[516];

    46 	TUint16 iBlockNum;

    47 	};

    48 

    49 class CTftpEngine;

    50 

    51 class CTftpTimer: public CTimer

    52 	{

    53 public:

    54 	~CTftpTimer();

    55 	static CTftpTimer* NewL(const TInt aPriority, CTftpEngine& aEngine);

    56 protected:

    57     CTftpTimer(const TInt aPriority, CTftpEngine& aEngine);

    58 	void ConstructL();

    59     virtual void RunL();

    60 private:

    61 	CTftpEngine& iEngine;

    62 	};

    63 

    64 class MTftpNotifier 

    65 	{

    66 public:

    67 	virtual void OpComplete(TOpComp aResult, TInt aOp)=0;

    68 	virtual void ProgressNotification()=0;

    69 	};

    70 

    71 class CTftpEngine: public CActive

    72 	{

    73 private:

    74 	enum TState 

    75 		{

    76 		ESending, EReceiving, EComplete, ESendingLastData, 

    77 		ESendingLastAckn, EReceivingLast

    78 		};

    79 public:

    80 	IMPORT_C ~CTftpEngine();

    81 	IMPORT_C void Get(const TDesC& aNetAddr, const TDesC& aName, const TDesC& aMode = _L("Octet"));

    82 	IMPORT_C void Put(const TDesC& aNetAddr, const TDesC& aName, const TDesC& aMode = _L("Octet"));

    83 	IMPORT_C void TimerExpired();

    84 	IMPORT_C void SetTimeOut(const TInt aTimeOut);

    85 	IMPORT_C static CTftpEngine *NewL(const TInt aPriority, MTftpNotifier& aNotifier);

    86 

    87 protected:

    88     virtual void RunL();

    89     virtual void DoCancel();

    90 private:

    91 	CTftpEngine(const TInt aPriority, MTftpNotifier& aNotifier);

    92     void ConstructL();

    93 

    94 private:

    95 	RSocketServ iSockServ;

    96 	RSocket iSocket;

    97 	RFs iFs;

    98 	RFile iFile;

    99 	CTftpTimer* iTimer;

   100 	TTftpPacket iPacket;

   101 	TInt iTimeOut;

   102 	TInetAddr iAddress;

   103 	TState iState;

   104 	MTftpNotifier& iNotifier;

   105 	};