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1 #if 1 |
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2 #include <es_mbuf.h> |
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3 #include <agenterrors.h> |
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4 #include "winsockbinders.h" |
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5 #include "winsockflow.h" |
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6 #include <comms-infras/linkmessages.h> |
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7 #include <comms-infras/ss_metaconnprov.h> // for SAccessPointConfig |
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8 #include <comms-infras/commsdebugutility.h> |
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9 #include <elements/nm_messages_base.h> |
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10 #include <elements/nm_messages_child.h> |
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11 |
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12 using namespace Messages; |
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13 using namespace MeshMachine; |
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14 using namespace ESock; |
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15 |
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16 |
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17 #endif |
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18 |
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19 |
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20 class CWinsockNcp4; |
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21 class CWinsockNcp6; |
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22 struct TWinsockInfo; |
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23 #if 1 |
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24 /* |
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25 * This sections defines a whole load of constants etc... not very exciting |
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26 */ |
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27 #if defined (WINSOCK_DEBUG) |
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28 #define LOG(a) |
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29 #else |
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30 #define LOG(a) |
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31 #endif |
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32 |
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33 _LIT8(KDescIp6, "ip6"); |
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34 _LIT8(KDescIp, "ip"); |
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35 |
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36 // Note: The "tunnel" logging string has been repeated here but should be unified throughout |
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37 // the Tunnel CFProtocol. The main logging relies on 16-bit RFileLogger calls whereas the |
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38 // CFNode logging requires an 8-bit string. An attempt to make everything 8-bit resulted |
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39 // in undefined RFileLogger symbols. |
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40 #ifdef SYMBIAN_TRACE_ENABLE |
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41 _LIT8(KWinsockLog, "W3sock"); |
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42 #endif |
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43 |
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44 /* |
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45 * The Link class |
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46 */ |
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47 |
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48 CWinsockFlow::CWinsockFlow(CSubConnectionFlowFactoryBase& aFactory, const TNodeId& aSubConnId, CProtocolIntfBase* aProtocolIntf) |
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49 : CSubConnectionFlowBase(aFactory, aSubConnId, aProtocolIntf) |
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50 /** |
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51 Constructor. |
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52 |
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53 @param aFactory Reference to the factory which created this object. |
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54 @param aSubConnId Id of SubConnection Provider - for sending messages to it. |
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55 @param aProtocolIntf Protocol Interface corresponding to the Flow. |
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56 */ |
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57 { |
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58 LOG_NODE_CREATE(KWinsockLog, CWinsockFlow); |
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59 |
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60 } |
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61 |
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62 CWinsockFlow::~CWinsockFlow() |
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63 { |
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64 LOG_NODE_DESTROY(KWinsockLog, CWinsockFlow); |
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65 } |
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66 |
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67 TInt CWinsockFlow::Notification(TWinsockAgentMessage::TTunnelSetAddress& aMessage) |
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68 { |
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69 if (iNifIf4) |
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70 { |
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71 return iNifIf4->Notification(aMessage); |
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72 } |
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73 if (iNifIf6) |
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74 { |
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75 return iNifIf6->Notification(aMessage); |
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76 } |
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77 return KErrNotSupported; |
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78 } |
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79 |
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80 |
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81 // ===================================================================================== |
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82 // CSubConnectionFlowBase |
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83 // ===================================================================================== |
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84 |
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85 MFlowBinderControl* CWinsockFlow::DoGetBinderControlL() |
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86 { |
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87 return this; |
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88 } |
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89 |
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90 // ===================================================================================== |
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91 // MFlowBinderControl methods |
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92 // ===================================================================================== |
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93 |
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94 MLowerControl* CWinsockFlow::GetControlL(const TDesC8& aProtocol) |
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95 { |
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96 |
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97 if (aProtocol.CompareF(KDescIp6) == 0) |
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98 { |
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99 if ( iNifIf6 ) |
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100 { |
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101 //CTunnelNcpLog::Printf(_L("CWinsockFlow:\tGetControlL already bound to %S"), &aProtocol); |
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102 User::Leave(KErrInUse); |
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103 return NULL; |
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104 } |
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105 iNifIf6 = CWinsockNcp6::ConstructL(*this); |
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106 return iNifIf6; |
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107 } |
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108 else if (aProtocol.CompareF(KDescIp) == 0) |
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109 { |
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110 if ( iNifIf4 ) |
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111 { |
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112 // CTunnelNcpLog::Printf(_L("CWinsockFlow:\tGetControlL already bound to %S"), &aProtocol); |
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113 User::Leave(KErrInUse); |
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114 return NULL; |
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115 } |
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116 iNifIf4 = CWinsockNcp4::ConstructL(*this); |
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117 return iNifIf4; |
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118 } |
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119 Panic(ETunnelPanic_BadBind); |
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120 return NULL; |
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121 } |
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122 |
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123 MLowerDataSender* CWinsockFlow::BindL(const TDesC8& aProtocol, MUpperDataReceiver* aReceiver, MUpperControl* aControl) |
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124 /** |
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125 * Binds upper CFProtocol to this CFProtocol |
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126 * |
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127 * @param aUpperReceiver A pointer to Upper layer Receive class |
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128 * @param aUpperControl A pointer to Upper layer control class |
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129 */ |
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130 { |
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131 MLowerDataSender* lowerDataSender = NULL; |
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132 if (aProtocol.CompareF(KDescIp6) == 0) |
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133 { |
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134 ASSERT(iNifIf6); |
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135 lowerDataSender = iNifIf6->Bind(aReceiver, aControl); |
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136 } |
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137 else if (aProtocol.CompareF(KDescIp) == 0) |
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138 { |
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139 ASSERT(iNifIf4); |
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140 lowerDataSender = iNifIf4->Bind(aReceiver, aControl); |
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141 } |
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142 else |
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143 { |
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144 // GetControlL() should already have been called. |
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145 Panic(ETunnelPanic_BadBind); |
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146 } |
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147 |
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148 if (lowerDataSender) |
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149 { |
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150 iSubConnectionProvider.PostMessage(Id(), TCFControlProvider::TActive().CRef()); |
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151 } |
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152 |
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153 return lowerDataSender; |
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154 } |
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155 |
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156 void CWinsockFlow::Unbind(MUpperDataReceiver* aUpperReceiver, MUpperControl* aUpperControl) |
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157 { |
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158 if (iNifIf4 && iNifIf4->MatchesUpperControl(aUpperControl)) |
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159 { |
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160 iNifIf4->Unbind(aUpperReceiver, aUpperControl); |
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161 delete iNifIf4; |
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162 iNifIf4 = NULL; |
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163 } |
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164 else |
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165 if (iNifIf6 && iNifIf6->MatchesUpperControl(aUpperControl)) |
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166 { |
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167 iNifIf6->Unbind(aUpperReceiver, aUpperControl); |
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168 delete iNifIf6; |
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169 iNifIf6 = NULL; |
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170 } |
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171 else |
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172 { |
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173 Panic(ETunnelPanic_BadUnbind); |
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174 } |
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175 MaybePostDataClientIdle(); |
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176 } |
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177 |
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178 CSubConnectionFlowBase* CWinsockFlow::Flow() |
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179 /** |
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180 Return the Flow corresponding to the MFlowBinderControl |
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181 */ |
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182 { |
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183 return this; |
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184 } |
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185 |
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186 // ===================================================================================== |
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187 // Messages::ANode |
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188 // ===================================================================================== |
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189 |
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190 void CWinsockFlow::ReceivedL(const TRuntimeCtxId& aSender, const TNodeId& aRecipient, TSignatureBase& aMessage) |
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191 { |
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192 |
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193 |
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194 CSubConnectionFlowBase::ReceivedL(aSender, aRecipient, aMessage); |
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195 |
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196 if (aMessage.IsMessage<TEBase::TError>()) |
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197 { |
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198 } |
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199 else if (TEChild::ERealmId == aMessage.MessageId().Realm()) |
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200 { |
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201 switch (aMessage.MessageId().MessageId()) |
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202 { |
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203 case TEChild::TDestroy::EId : |
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204 Destroy(); |
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205 break; |
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206 default: |
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207 //TODO - logging |
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208 ASSERT(EFalse); |
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209 } |
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210 } |
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211 else if (TCFDataClient::ERealmId == aMessage.MessageId().Realm()) |
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212 { |
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213 switch (aMessage.MessageId().MessageId()) |
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214 { |
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215 case TCFDataClient::TStart::EId : |
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216 StartFlowL(); |
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217 break; |
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218 case TCFDataClient::TStop::EId : |
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219 StopFlow(static_cast<TCFDataClient::TStop&>(aMessage).iValue); |
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220 break; |
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221 case TCFDataClient::TBindTo::EId: |
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222 { |
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223 TCFDataClient::TBindTo& bindToReq = message_cast<TCFDataClient::TBindTo>(aMessage); |
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224 if (!bindToReq.iNodeId.IsNull()) |
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225 { |
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226 User::Leave(KErrNotSupported); |
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227 } |
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228 RClientInterface::OpenPostMessageClose(Id(), aSender, TCFDataClient::TBindToComplete().CRef()); |
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229 } |
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230 break; |
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231 case TCFDataClient::TProvisionConfig::EId: |
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232 ProvisionConfig(static_cast<TCFDataClient::TProvisionConfig&>(aMessage).iConfig); |
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233 break; |
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234 default: |
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235 //TODO - logging |
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236 ASSERT(EFalse); |
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237 } |
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238 } |
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239 else // realm is not TCFMessage or TTunnelAgentMessage |
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240 { |
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241 Panic(ETunnelPanic_UnexpectedMessage); |
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242 } |
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243 |
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244 |
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245 } |
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246 |
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247 // ===================================================================================== |
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248 // |
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249 // Methods for handling incoming SCPR messages |
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250 // |
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251 |
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252 void CWinsockFlow::StartFlowL() |
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253 { |
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254 // NOTE: according to the NAF docs the sequence should really be StartSending(), then LinkLayerUp() then Progress() |
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255 // for DNS to work. However, this tunnel NIF doesn't support DNS. |
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256 // |
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257 //CTunnelNcpLog::Write(_L("CWinsockFlow:\tStartFlow()")); |
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258 |
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259 // Process any errors that may have occurred during processing of the ProvisionConfig message earlier. |
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260 // ProvisionConfig has no response, so error the StartFlow here. |
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261 User::LeaveIfError(iSavedError); |
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262 |
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263 |
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264 PostDataClientStartedMessage(); |
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265 if (iNifIf4) |
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266 { |
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267 iNifIf4->StartSending(); |
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268 } |
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269 if (iNifIf6) |
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270 { |
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271 iNifIf6->StartSending(); |
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272 } |
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273 iMMState = EStarted; |
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274 |
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275 |
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276 } |
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277 |
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278 void CWinsockFlow::StopFlow(TInt aError) |
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279 { |
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280 // CTunnelNcpLog::Printf(_L("CWinsockFlow:\tStop(aError %d)"), aError); |
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281 |
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282 PostFlowDownMessage(aError); |
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283 } |
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284 |
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285 void CWinsockFlow::MaybePostDataClientIdle() |
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286 { |
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287 if (iNifIf4 == NULL && iNifIf4 == NULL) |
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288 { |
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289 iSubConnectionProvider.RNodeInterface::PostMessage(Id(), TCFControlProvider::TIdle().CRef()); |
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290 } |
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291 } |
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292 /* |
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293 Provisioning description for Tunnel CFProtocol Flow: |
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294 |
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295 - on receipt of the TProvisionConfig message, the provisioning information contained within |
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296 the AccessPointConfig array is validated: |
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297 - TTunnelProvision must be present. It is added by the Tunnel MCPr and populated from CommsDat. A pointer to it |
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298 is stored in iProvisionInfo. If missing, TError(TCFDataClient::TStart, KErrCorrupt) message is signalled back |
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299 to the SCPr on the next StartFlow message (ProvisionConfig has no response message). |
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300 */ |
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301 |
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302 |
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303 void CWinsockFlow::ProvisionConfig(const ESock::RMetaExtensionContainerC& aConfigData) |
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304 /** |
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305 Handle ProvisionConfig message from SCPR. |
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306 */ |
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307 { |
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308 |
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309 |
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310 iSavedError = KErrNone; |
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311 //CTunnelNcpLog::Printf(_L("CWinsockFlow:\tProvisionConfig message received")); |
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312 |
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313 AccessPointConfig().Close(); |
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314 AccessPointConfig().Open(aConfigData); |
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315 |
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316 |
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317 #if 0 // Need to Writen for Winsock |
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318 /* Look into Agent MCPR to find the correct class for winscok */ |
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319 const TWinsockProvision* provision = static_cast<const TWinsockProvision*>(AccessPointConfig().FindExtension(STypeId::CreateSTypeId(TWinsockProvision::EUid, TWinsockProvision::ETypeId))); |
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320 if (provision == NULL) |
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321 { |
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322 //CTunnelNcpLog::Printf(_L("CWinsockFlow:\tProcessProvisionConfigL() - no Winsock configuration")); |
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323 iSavedError = KErrCorrupt; |
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324 } |
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325 |
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326 ASSERT(iProvisionInfo == NULL); |
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327 iProvisionInfo = &provision->iInfo; |
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328 ASSERT(iProvisionInfo); |
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329 |
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330 #endif // #if 1 |
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331 } |
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332 |
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333 void CWinsockFlow::Destroy() |
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334 /** |
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335 Handle Destroy message from SCPR. |
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336 */ |
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337 { |
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338 ASSERT(iNifIf4 == NULL); // must not still be bound from above before being destroyed |
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339 ASSERT(iNifIf6 == NULL); |
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340 DeleteThisFlow(); |
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341 } |
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342 |
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343 // |
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344 // Utility functions |
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345 // |
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346 |
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347 void CWinsockFlow::PostProgressMessage(TInt aStage, TInt aError) |
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348 { |
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349 iSubConnectionProvider.RNodeInterface::PostMessage(Id(), TCFMessage::TStateChange(Elements::TStateChange(aStage, aError)).CRef()); |
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350 } |
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351 |
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352 void Panic(TTunnelPanic aPanic) |
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353 { |
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354 _LIT(KWinsockLogPanicTag, "Winsock"); |
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355 User::Panic(KWinsockLogPanicTag, aPanic); |
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356 } |
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357 |
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358 #endif |