1 /* |
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2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: TCP protocol implementation for IP proxy |
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15 * |
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16 */ |
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17 |
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18 |
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19 |
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20 #ifndef CPROTOCOLTCP_H |
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21 #define CPROTOCOLTCP_H |
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22 |
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23 // INCLUDES |
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24 #include "MBPProtocol.h" |
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25 #include "MBPExpression.h" |
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26 #include "MExpressionObserverTCP.h" |
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27 |
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28 #include <e32base.h> |
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29 |
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30 |
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31 // FORWARD DECLARATIONS |
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32 class MProtocolObserverTCP; |
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33 class MSocketWriter; |
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34 |
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35 // CLASS DECLARATION |
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36 |
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37 /** |
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38 * HTTPProxy protocol implementation. Writes and interpretes data in |
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39 * protocol frame. |
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40 */ |
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41 NONSHARABLE_CLASS( CProtocolTCP ) : public CBase, public MBPProtocol, |
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42 public MExpressionObserverTCP |
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43 { |
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44 |
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45 public: // Constructors and destructor |
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46 |
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47 /** |
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48 * Factory function. |
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49 * @param aObserver Pointer to observer. |
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50 * @return New CProtocol instance. |
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51 */ |
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52 static CProtocolTCP* NewL( MProtocolObserverTCP* aObserver ); |
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53 |
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54 /** |
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55 * Factory function. |
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56 * @param aObserver Pointer to observer. |
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57 * @return New CProtocol instance. |
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58 */ |
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59 static CProtocolTCP* NewLC( MProtocolObserverTCP* aObserver ); |
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60 |
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61 /** |
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62 * Destructor. |
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63 */ |
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64 ~CProtocolTCP(); |
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65 |
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66 public: // From MExpressionObserverTCP |
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67 |
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68 void FrameStarted(); |
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69 void FrameParsedL( TUint aPort, const TDesC8& aData ); |
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70 void ProtocolErrorL( TInt aErrorCode, const TDesC8& aReceivedData ); |
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71 void OpenLocalTCPConnectionL( TUint aPort ); |
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72 void OpenListeningTCPConnectionL( TUint aPort ); |
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73 void CloseTCPConnectionL( TUint aPort ); |
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74 void CloseAllTCPConnections(); |
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75 |
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76 public: // From MBPProtocol |
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77 |
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78 void WriteFrameL( MSocketWriter& aSocketWriter, |
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79 TUint aPeerPort, TUint aOriginalPort, const TDesC8& aData ) const; |
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80 |
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81 TBool HandleReceivedDataL( TDes8& aData, TInt& aStartPos, TInt& aLength ); |
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82 |
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83 public: // New functions |
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84 |
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85 /** |
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86 * Sends command via HTI to close the TCP connection |
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87 * @param aPort Remote port to close |
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88 */ |
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89 void SendCloseTCPConnection( MSocketWriter& aSocketWriter, |
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90 TUint aPort ); |
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91 |
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92 protected: |
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93 |
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94 /** |
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95 * Default constructor. |
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96 * @param aObserver Pointer to observer. |
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97 */ |
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98 CProtocolTCP( MProtocolObserverTCP* aObserver ); |
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99 |
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100 /** |
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101 * 2nd phase constructor. |
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102 */ |
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103 void ConstructL(); |
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104 |
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105 |
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106 private: // Owned data |
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107 |
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108 CArrayPtr<MBPExpression>* iExpressionArray; |
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109 |
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110 private: // Not owned data |
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111 MProtocolObserverTCP* iObserver; |
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112 |
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113 }; |
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114 |
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115 #endif // CPROTOCOLTCP_H |
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116 |
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117 // End of File |
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