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1 /** |
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2 * Copyright (c) 2010 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: |
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15 * Header file for the Ip4 and Ip6 Binder Configuration. |
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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 /** |
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21 @file tundriverbinder.h |
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22 @internalTechnology |
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23 */ |
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24 |
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25 #ifndef _TUNDRIVERBINDER_H |
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26 #define _TUNDRIVERBINDER_H |
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27 |
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28 #include <ip4_hdr.h> |
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29 #include <ip6_hdr.h> |
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30 #include <udp_hdr.h> |
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31 #include <comms-infras/ss_protflow.h> |
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32 #include <comms-infras/ss_flowbinders.h> |
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33 #include <comms-infras/commsdebugutility.h> |
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34 #include <nifmbuf.h> |
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35 #include "es_protbinder.h" |
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36 #include "tundriverflow.h" |
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37 |
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38 const TInt KMTU = 1500; |
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39 |
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40 const TInt KSpeedMetric = 0; |
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41 |
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42 const TUint KTUNDriverTos = 192; // 0xC0; uses the UNUSED 7,8 MSB of Differentiated Services |
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43 |
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44 class CTunDriverSubConnectionFlow; |
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45 |
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46 class CTunDriverBinder : public CBase, public ESock::MLowerDataSender, public ESock::MLowerControl |
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47 /** |
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48 Common Binder for the tunnel driver binder. This binder will be inherited by IPv4 or IPv6 Binder classes. |
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49 */ |
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50 { |
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51 public: |
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52 virtual MLowerDataSender* Bind(ESock::MUpperDataReceiver& aUpperReceiver , ESock::MUpperControl& aUpperControl); |
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53 virtual void Unbind (ESock::MUpperDataReceiver& aUpperReceiver, ESock::MUpperControl& aUpperControl); |
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54 virtual TBool MatchesUpperControl(ESock::MUpperControl* aUpperControl) const; |
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55 virtual TInt Control(TUint, TUint, TDes8&); |
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56 void SetPort(TUint aPort); |
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57 TUint GetPort(); |
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58 protected: |
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59 CTunDriverBinder(CTunDriverSubConnectionFlow& aTunDriverSubConnectionFlow); |
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60 protected: |
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61 __FLOG_DECLARATION_MEMBER; |
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62 private: |
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63 CTunDriverSubConnectionFlow& iTunDriverSubConnectionFlow; |
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64 TUint iPort; |
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65 }; |
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66 |
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67 class CTunDriverBinder4 : public CTunDriverBinder |
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68 { |
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69 public: |
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70 static CTunDriverBinder4* NewL(CTunDriverSubConnectionFlow& aLink); |
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71 ~CTunDriverBinder4(); |
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72 // from MLowerDataSender |
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73 virtual TInt GetName(TDes& aName); |
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74 virtual TInt GetConfig(TBinderConfig& aConfig); |
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75 MLowerDataSender* Bind(ESock::MUpperDataReceiver& aUpperReceiver , ESock::MUpperControl& aUpperControl); |
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76 void Unbind (ESock::MUpperDataReceiver& aUpperReceiver, ESock::MUpperControl& aUpperControl); |
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77 TBool MatchesUpperControl(ESock::MUpperControl* aUpperControl) const; |
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78 ESock::MLowerDataSender::TSendResult Send(RMBufChain& aData); |
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79 void StartSending(); |
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80 private: |
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81 CTunDriverBinder4(CTunDriverSubConnectionFlow& aLink); |
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82 void ConstructL(); |
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83 void TunnelProcessing(RMBufPacket& aPacket, RMBufPacket& aRecv); |
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84 inline CTunDriverSubConnectionFlow* Flow(); |
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85 virtual void DoSend(); |
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86 virtual void DoProcess(); |
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87 static TInt RecvCallBack(TAny* aCProtocol); |
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88 static TInt SendCallBack(TAny* aCProtocol); |
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89 private: |
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90 TInetAddr iLocalAddress; |
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91 CTunDriverSubConnectionFlow& iTunDriverSubConnectionFlow; |
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92 ESock::MUpperDataReceiver* iUpperReceiver; |
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93 ESock::MUpperControl* iUpperControl; |
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94 RMBufPktQ iSendQ; |
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95 RMBufPktQ iRecvQ; |
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96 CAsyncCallBack* iSendCallBack; |
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97 CAsyncCallBack* iRecvCallBack; |
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98 }; |
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99 |
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100 CTunDriverSubConnectionFlow* CTunDriverBinder4::Flow() |
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101 { |
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102 return &iTunDriverSubConnectionFlow; |
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103 } |
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104 |
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105 #ifdef IPV6SUPPORT |
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106 class CTunDriverBinder6 : public CTunDriverBinder |
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107 { |
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108 public: |
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109 static CTunDriverBinder6* NewL(CTunDriverSubConnectionFlow& aLink); |
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110 ~CTunDriverBinder6(); |
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111 // from MLowerDataSender |
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112 virtual TInt GetName(TDes& aName); |
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113 virtual TInt GetConfig(TBinderConfig& aConfig); |
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114 MLowerDataSender* Bind(ESock::MUpperDataReceiver& aUpperReceiver , ESock::MUpperControl& aUpperControl); |
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115 void Unbind (ESock::MUpperDataReceiver& aUpperReceiver, ESock::MUpperControl& aUpperControl); |
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116 TBool MatchesUpperControl(ESock::MUpperControl* aUpperControl) const; |
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117 ESock::MLowerDataSender::TSendResult Send(RMBufChain& aData); |
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118 void StartSending(); |
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119 private: |
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120 CTunDriverBinder6(CTunDriverSubConnectionFlow& aLink); |
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121 void ConstructL(); |
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122 void TunnelProcessing(RMBufPacket& aPacket, RMBufPacket& aRecv); |
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123 inline CTunDriverSubConnectionFlow* Flow(); |
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124 virtual void DoSend(); |
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125 virtual void DoProcess(); |
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126 static TInt RecvCallBack(TAny* aCProtocol); |
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127 static TInt SendCallBack(TAny* aCProtocol); |
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128 private: |
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129 TInetAddr iLocalAddress; |
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130 CTunDriverSubConnectionFlow& iTunDriverSubConnectionFlow; |
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131 ESock::MUpperDataReceiver* iUpperReceiver; |
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132 ESock::MUpperControl* iUpperControl; |
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133 RMBufPktQ iSendQ; |
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134 RMBufPktQ iRecvQ; |
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135 CAsyncCallBack* iSendCallBack; |
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136 CAsyncCallBack* iRecvCallBack; |
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137 }; |
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138 #endif |
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139 #endif // _TUNDRIVERBINDER_H |