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1 // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // IP SubConnection Provider implementation |
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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 @file |
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20 @internalComponent |
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21 */ |
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22 |
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23 #include <comms-infras/corescpractivities.h> |
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24 #include <comms-infras/ss_corepractivities.h> |
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25 #include "ipdeftscpr.h" |
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26 #include "IPMessages.h" |
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27 #include <comms-infras/ss_log.h> |
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28 #include "IPCpr.h" |
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29 |
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30 #include <comms-infras/ss_msgintercept.h> |
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31 |
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32 #ifdef SYMBIAN_TRACE_ENABLE |
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33 #define KIPSCprTag KESockSubConnectionTag |
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34 //_LIT8(KIPSCprSubTag, "ipqosdeftscpr"); |
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35 #endif // SYMBIAN_TRACE_ENABLE |
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36 |
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37 |
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38 using namespace Messages; |
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39 using namespace MeshMachine; |
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40 using namespace ESock; |
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41 using namespace IPDeftBaseSCprActivities; |
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42 using namespace PRActivities; |
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43 using namespace CoreNetStates; |
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44 |
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45 //We reserve space for two preallocated activities that may start concurrently on the default SCPR |
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46 //node: destroy and data client stop. |
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47 static const TUint KDefaultMaxPreallocatedActivityCount = 2; |
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48 static const TUint KMaxPreallocatedActivitySize = sizeof(MeshMachine::CNodeRetryParallelActivity) + sizeof(MeshMachine::APreallocatedOriginators<4>); |
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49 static const TUint KIPDefaultSCPRPreallocatedActivityBufferSize = KDefaultMaxPreallocatedActivityCount * KMaxPreallocatedActivitySize; |
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50 |
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51 //-========================================================= |
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52 // |
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53 // States |
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54 // |
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55 //-========================================================= |
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56 namespace IPDeftSCprStates |
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57 { |
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58 DEFINE_SMELEMENT(TPolicyChecking, NetStateMachine::MStateTransition, IPBaseSCprStates::TContext) |
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59 void TPolicyChecking::DoL() |
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60 { |
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61 IPBaseSCprStates::TStoreAddressUpdate storeAddressUpdate(iContext); |
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62 storeAddressUpdate.DoL(); |
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63 |
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64 TCFIPMessage::TDataClientRouted& addressUpdateMsg = message_cast<TCFIPMessage::TDataClientRouted>(iContext.iMessage); |
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65 |
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66 // check for src and dst address presence |
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67 if( addressUpdateMsg.iAddrUpdate.iSrcSockAddr.Family() != KAFUnspec && |
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68 addressUpdateMsg.iAddrUpdate.iDestSockAddr.Family() != KAFUnspec ) |
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69 { |
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70 RNodeInterface* ctrlProvider = iContext.Node().ControlProvider(); |
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71 User::LeaveIfError(ctrlProvider? KErrNone : KErrCorrupt); |
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72 |
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73 RIPDataClientNodeInterface* client = static_cast<RIPDataClientNodeInterface*>(iContext.iPeer); |
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74 |
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75 ctrlProvider->PostMessage( |
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76 TNodeCtxId(iContext.ActivityId(), iContext.NodeId()), |
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77 TCFIPMessage::TPolicyParams( |
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78 addressUpdateMsg.iAddrUpdate, |
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79 iContext.NodeId(), |
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80 address_cast<TNodeId>(iContext.iSender), |
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81 client->iAppSid |
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82 ).CRef() |
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83 ); |
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84 } |
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85 } |
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86 }//namespace |
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87 //-========================================================= |
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88 // |
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89 // Activities |
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90 // |
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91 //-========================================================= |
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92 namespace IPDeftSCprAddressUpdate |
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93 { |
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94 DECLARE_DEFINE_NODEACTIVITY(ECFActivityAddressUpdate, IPDeftSCprAddressUpdate, TCFIPMessage::TDataClientRouted) |
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95 NODEACTIVITY_ENTRY(KNoTag, IPDeftSCprStates::TPolicyChecking, IPBaseSCprStates::TAwaitingAddressUpdate, MeshMachine::TNoTag) |
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96 NODEACTIVITY_END() |
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97 } |
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98 |
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99 |
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100 DEFINE_SMELEMENT(CCommsIPBinderActivity::TFetchClientUids, NetStateMachine::MStateTransition, TContext) |
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101 void CCommsIPBinderActivity::TFetchClientUids::DoL() |
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102 { |
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103 MPlatsecApiExt* platsec(NULL); |
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104 TRAP_IGNORE(platsec = reinterpret_cast<MPlatsecApiExt*>(address_cast<TNodeId>(iContext.iSender).Node().FetchNodeInterfaceL(MPlatsecApiExt::KInterfaceId))); |
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105 if (platsec) |
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106 { |
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107 TSecureId secureId = 0; |
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108 if(platsec->SecureId(secureId) != KErrNone) |
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109 { |
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110 return; |
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111 } |
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112 |
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113 CCommsIPBinderActivity* intf = reinterpret_cast<CCommsIPBinderActivity*>(iContext.iNodeActivity->FetchExtInterface(CCommsIPBinderActivity::KInterfaceId)); |
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114 if(intf) |
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115 { |
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116 intf->SetUid(TUid::Uid(secureId.iId)); |
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117 } |
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118 } |
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119 } |
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120 |
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121 DEFINE_SMELEMENT(CCommsIPBinderActivity::TUpdateClientUids, NetStateMachine::MStateTransition, TContext) |
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122 void CCommsIPBinderActivity::TUpdateClientUids::DoL() |
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123 { |
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124 /* Data client joined is recieved from the factory, which isn't the peer. Therefore we must look up |
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125 * the client using it's comms id which we can get from the dcjoined message |
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126 */ |
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127 RIPDataClientNodeInterface* client = static_cast<RIPDataClientNodeInterface*>(iContext.iPeer); |
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128 if (!client) |
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129 { |
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130 return; |
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131 } |
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132 |
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133 CCommsIPBinderActivity* intf = reinterpret_cast<CCommsIPBinderActivity*>(iContext.iNodeActivity->FetchExtInterface(CCommsIPBinderActivity::KInterfaceId)); |
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134 if(intf) |
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135 { |
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136 client->iAppSid = intf->GetUid(); |
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137 } |
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138 } |
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139 |
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140 namespace IPDeftSCprBinderRequestActivity |
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141 { |
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142 DECLARE_DEFINE_CUSTOM_NODEACTIVITY(ECFActivityBinderRequest, IPDeftSCprBinderRequest, TCFServiceProvider::TCommsBinderRequest, CCommsIPBinderActivity::NewL) |
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143 FIRST_NODEACTIVITY_ENTRY(CoreNetStates::TAwaitingBinderRequest, MeshMachine::TNoTag ) |
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144 |
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145 THROUGH_NODEACTIVITY_ENTRY(KNoTag, CCommsIPBinderActivity::TFetchClientUids, IPDeftBaseSCprBinderRequestActivity::TNoTagOrUseExistingOrPermissionDenied) |
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146 NODEACTIVITY_ENTRY(KNoTag, PRStates::TCreateDataClient, CoreNetStates::TAwaitingDataClientJoin, MeshMachine::TNoTag) |
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147 // Below this point we need to modify the error handling approach. If we're getting a TError on TBinderResponse, |
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148 // this means the client requesting the binder couldn't bind to it. As far as the client is concerned, this |
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149 // activity is finished (it has flagged an error). The standard error handling will result in erroring |
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150 // the originator. In this case we shouoldn't error the originator, instead, wrap up quietly. |
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151 THROUGH_NODEACTIVITY_ENTRY(KNoTag, CCommsIPBinderActivity::TProcessDataClientCreationAndUpdateClientUids, MeshMachine::TTag<CoreStates::KUseExisting>) |
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152 |
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153 NODEACTIVITY_ENTRY(CoreStates::KUseExisting, CCommsBinderActivity::TSendBinderResponse, CCommsBinderActivity::TAwaitingBindToComplete, MeshMachine::TNoTagOrErrorTag) |
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154 LAST_NODEACTIVITY_ENTRY(KNoTag, MeshMachine::TDoNothing) |
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155 LAST_NODEACTIVITY_ENTRY(KErrorTag, MeshMachine::TClearError) |
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156 LAST_NODEACTIVITY_ENTRY(IPDeftBaseSCprBinderRequestActivity::KPermissionDenied, MeshMachine::TRaiseAndClearActivityError) |
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157 NODEACTIVITY_END() |
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158 } |
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159 |
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160 namespace IPDeftSCprActivities |
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161 { |
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162 DECLARE_DEFINE_ACTIVITY_MAP(activityMap) |
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163 ACTIVITY_MAP_ENTRY(IPDeftSCprAddressUpdate, IPDeftSCprAddressUpdate) |
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164 ACTIVITY_MAP_ENTRY(IPDeftSCprBinderRequestActivity, IPDeftSCprBinderRequest) |
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165 ACTIVITY_MAP_END_BASE(IPDeftBaseSCprActivities, ipdeftbasescprActivityMap) |
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166 } |
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167 |
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168 //-========================================================= |
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169 // |
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170 // CIpDefaultSubConnectionProvider methods |
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171 // |
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172 //-========================================================= |
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173 CIpDefaultSubConnectionProvider::~CIpDefaultSubConnectionProvider() |
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174 { |
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175 LOG_NODE_DESTROY(KIPSCprTag, CIpDefaultSubConnectionProvider); |
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176 } |
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177 |
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178 CIpDefaultSubConnectionProvider::CIpDefaultSubConnectionProvider(ESock::CSubConnectionProviderFactoryBase& aFactory) |
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179 : CIpDefaultBaseSubConnectionProvider(aFactory, IPDeftSCprActivities::activityMap::Self()) |
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180 { |
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181 LOG_NODE_CREATE(KIPSCprTag, CIpDefaultSubConnectionProvider); |
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182 } |
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183 |
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184 CIpDefaultSubConnectionProvider* CIpDefaultSubConnectionProvider::NewL(ESock::CSubConnectionProviderFactoryBase& aFactory) |
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185 { |
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186 CIpDefaultSubConnectionProvider* provider = new (ELeave) CIpDefaultSubConnectionProvider(aFactory); |
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187 CleanupStack::PushL(provider); |
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188 provider->ConstructL(KIPDefaultSCPRPreallocatedActivityBufferSize); |
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189 |
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190 CleanupStack::Pop(provider); |
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191 return provider; |
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192 } |
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193 |
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194 void CIpDefaultSubConnectionProvider::ReceivedL(const TRuntimeCtxId& aSender, const TNodeId& aRecipient, TSignatureBase& aMessage) |
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195 { |
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196 ESOCK_DEBUG_MESSAGE_INTERCEPT(aSender, aMessage, aRecipient); |
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197 TNodeContext<CIpDefaultSubConnectionProvider> ctx(*this, aMessage, aSender, aRecipient); |
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198 CCoreSubConnectionProvider::ReceivedL(aSender, aRecipient, aMessage); |
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199 User::LeaveIfError(ctx.iReturn); |
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200 } |
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201 |
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202 MeshMachine::CNodeActivityBase* CCommsIPBinderActivity::NewL(const MeshMachine::TNodeActivity& aActivitySig, MeshMachine::AMMNodeBase& aNode) |
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203 { |
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204 TUint c = GetNextActivityCountL(aActivitySig,aNode); |
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205 return new(ELeave)CCommsIPBinderActivity(aActivitySig, aNode, c); |
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206 } |
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207 |
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208 CCommsIPBinderActivity::CCommsIPBinderActivity(const MeshMachine::TNodeActivity& aActivitySig, MeshMachine::AMMNodeBase& aNode, TUint aNextActivityCount) |
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209 : CCommsBinderActivity(aActivitySig, aNode, aNextActivityCount) |
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210 { |
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211 iAppSid = TUid::Null(); |
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212 } |