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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 Default Base 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 #define SYMBIAN_NETWORKING_UPS |
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24 |
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25 #include "IPMessages.h" |
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26 |
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27 #include <comms-infras/corescpractivities.h> |
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28 #include <comms-infras/ss_corepractivities.h> |
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29 #include <comms-infras/ss_nodemessages_rejoiningprovider.h> |
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30 #include <comms-infras/ss_nodemessages_dataclient.h> |
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31 #include "ipdeftbasescpr.h" |
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32 #include <comms-infras/ss_log.h> |
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33 #include <comms-infras/ss_platsec_apiext.h> |
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34 #include <networking/qos3gpp_subconparams.h> |
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35 |
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36 #include <comms-infras/ss_msgintercept.h> |
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37 #ifdef SYMBIAN_NETWORKING_UPS |
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38 #include <comms-infras/upspractivities.h> |
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39 #endif |
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40 |
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41 #ifdef SYMBIAN_TRACE_ENABLE |
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42 #define KIPDeftSCprTag KESockSubConnectionTag |
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43 #endif // SYMBIAN_TRACE_ENABLE |
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44 |
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45 |
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46 using namespace Messages; |
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47 using namespace MeshMachine; |
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48 using namespace ESock; |
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49 using namespace IPDeftSCprBaseActivities; |
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50 using namespace PRActivities; |
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51 using namespace CoreNetStates; |
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52 |
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53 //We reserve space for two preallocated activities that may start concurrently on the default base SCPR |
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54 //node: destroy and data client stop. |
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55 static const TUint KDefaultMaxPreallocatedActivityCount = 2; |
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56 static const TUint KMaxPreallocatedActivitySize = sizeof(MeshMachine::CNodeRetryParallelActivity) + sizeof(MeshMachine::APreallocatedOriginators<4>); |
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57 static const TUint KIPDeftBaseSCPRPreallocatedActivityBufferSize = KDefaultMaxPreallocatedActivityCount * KMaxPreallocatedActivitySize; |
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58 |
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59 //-========================================================= |
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60 // |
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61 // States |
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62 // |
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63 //-========================================================= |
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64 namespace IPBaseSCprStates |
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65 { |
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66 DEFINE_SMELEMENT(TAwaitingAddressUpdate, NetStateMachine::MState, IPBaseSCprStates::TContext) |
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67 TBool TAwaitingAddressUpdate::Accept() |
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68 { |
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69 return iContext.iMessage.IsMessage<TCFIPMessage::TDataClientRouted>(); |
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70 } |
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71 |
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72 DEFINE_SMELEMENT(TStoreAddressUpdate, NetStateMachine::MStateTransition, IPBaseSCprStates::TContext) |
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73 void TStoreAddressUpdate::DoL() |
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74 { |
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75 RIPDataClientNodeInterface* client = static_cast<RIPDataClientNodeInterface*>(iContext.iPeer); |
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76 if (NULL == client) |
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77 { |
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78 User::Leave(KErrNotFound); |
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79 } |
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80 |
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81 TCFIPMessage::TDataClientRouted& addressUpdateMsg = message_cast<TCFIPMessage::TDataClientRouted>(iContext.iMessage); |
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82 client->iCliDstAddr = addressUpdateMsg.iAddrUpdate.iDestSockAddr; |
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83 client->iCliSrcAddr = addressUpdateMsg.iAddrUpdate.iSrcSockAddr; |
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84 client->iProtocolId = addressUpdateMsg.iAddrUpdate.iProtocolId; |
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85 if (iContext.Node().iIapId == CIpSubConnectionProviderBase::KInvalidIapId) |
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86 { |
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87 iContext.Node().iIapId = addressUpdateMsg.iAddrUpdate.iIapId; |
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88 } |
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89 } |
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90 |
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91 DEFINE_SMELEMENT(TRejoinDataClient, NetStateMachine::MStateTransition, IPBaseSCprStates::TContext) |
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92 void TRejoinDataClient::DoL() |
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93 { |
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94 PRActivities::CRejoinDataClientActivity::TRejoinDataClient sendRejoinReq(iContext); |
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95 sendRejoinReq.DoL(); |
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96 ASSERT(iContext.iNodeActivity); |
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97 PRActivities::CRejoinDataClientActivity* rejoinActivity = |
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98 static_cast<PRActivities::CRejoinDataClientActivity*>(iContext.iNodeActivity); |
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99 RIPDataClientNodeInterface& dc = |
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100 static_cast<RIPDataClientNodeInterface&>( |
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101 rejoinActivity->iDataClients[rejoinActivity->iDataClients.Count()-1].iDataClient); |
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102 TNodeId& newOwner = rejoinActivity->iDataClients[rejoinActivity->iDataClients.Count()-1].iNewOwner; |
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103 |
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104 RClientInterface::OpenPostMessageClose(dc.RecipientId(), newOwner, |
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105 TCFIPMessage::TDataClientRouted(TAddrUpdate(dc.iCliSrcAddr, dc.iCliDstAddr, dc.iProtocolId, iContext.Node().iIapId)).CRef()); |
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106 } |
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107 |
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108 |
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109 #ifdef SYMBIAN_ADAPTIVE_TCP_RECEIVE_WINDOW |
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110 /* |
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111 State waiting for TTransportNotification message which carries TCP Receive window. |
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112 */ |
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113 DEFINE_SMELEMENT(TAwaitingTransportNotification, NetStateMachine::MState, IPBaseSCprStates::TContext) |
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114 TBool IPBaseSCprStates::TAwaitingTransportNotification::Accept() |
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115 { |
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116 return iContext.iMessage.IsMessage<TCFMessage::TTransportNotification>(); |
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117 } |
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118 /* |
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119 StateTransition which will iterate thru all the data clients, send the TCP receive window size to them. |
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120 */ |
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121 DEFINE_SMELEMENT(TSendTransportNotificationToDataClients, NetStateMachine::MStateTransition,IPBaseSCprStates::TContext) |
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122 void IPBaseSCprStates::TSendTransportNotificationToDataClients::DoL() |
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123 { |
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124 |
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125 //data client iterator. |
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126 //Exclude data clients that are ELeaving otherwise the PostMessage() below will panic. |
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127 TClientIter<TDefaultClientMatchPolicy> iter = iContext.Node().GetClientIter<TDefaultClientMatchPolicy>(TClientType(TCFClientType::EData), TClientType(0, TCFClientType::ELeaving)); |
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128 //Data Client number |
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129 TInt dataCliNum =NULL; |
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130 //Send message to all data clients. |
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131 RNodeInterface* dataClient = iter[dataCliNum]; |
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132 |
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133 TCFMessage::TTransportNotification message; |
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134 while (dataClient) |
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135 { |
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136 //Post messages to the data client. Message will flow to all the data clients i.e. socket flows. |
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137 dataClient->PostMessage(iContext.NodeId(), message); |
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138 dataCliNum++; |
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139 dataClient = iter[dataCliNum]; |
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140 } |
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141 } |
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142 #endif //SYMBIAN_ADAPTIVE_TCP_RECEIVE_WINDOW |
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143 |
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144 } |
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145 |
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146 |
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147 //-========================================================= |
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148 // |
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149 // Activities |
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150 // |
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151 //-========================================================= |
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152 |
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153 namespace IPDeftBaseSCprAddressUpdate |
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154 { |
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155 DECLARE_DEFINE_NODEACTIVITY(ECFActivityAddressUpdate, IPDeftBaseSCprAddressUpdate, TCFIPMessage::TDataClientRouted) |
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156 NODEACTIVITY_ENTRY(KNoTag, IPBaseSCprStates::TStoreAddressUpdate, IPBaseSCprStates::TAwaitingAddressUpdate, MeshMachine::TNoTag) |
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157 NODEACTIVITY_END() |
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158 } |
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159 |
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160 namespace IPDeftSCprRejoinDataClient |
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161 { |
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162 DECLARE_DEFINE_CUSTOM_NODEACTIVITY(ECFActivityRejoin, IPDeftSCprRejoin, TCFRejoiningProvider::TRejoinDataClientRequest, PRActivities::CRejoinDataClientActivity::NewL) |
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163 // If an SCprNoBearer is being processed (e.g. RSocket::Connect()) when IPDeftSCprRejoin is started (RSubConnection::AddSocket()), |
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164 // park until the SCprNoBearer completes. This ensures that the EStarting flag (set temporarily during SCprNoBearer) |
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165 // is not inadvertantly propagated (via the DataClientJoiningRequest message) to the receiving SCpr. If this happens, |
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166 // EStarting will never get reset on the receiving SCpr and can cause activities (like PRDataClientStop) to park |
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167 // permanently on that SCpr. |
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168 FIRST_NODEACTIVITY_ENTRY(CoreNetStates::TAwaitingDataClientRejoin, CoreNetStates::TNoTagBlockedByNoBearer) |
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169 NODEACTIVITY_ENTRY(KNoTag, IPBaseSCprStates::TRejoinDataClient, PRActivities::CRejoinDataClientActivity::TAwaitingJoinComplete, MeshMachine::TNoTag) |
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170 NODEACTIVITY_ENTRY(CoreStates::KLoopTag, IPBaseSCprStates::TRejoinDataClient, PRActivities::CRejoinDataClientActivity::TAwaitingJoinComplete, MeshMachine::TNoTag) |
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171 |
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172 NODEACTIVITY_ENTRY(KNoTag, CoreNetStates::TSendRejoinComplete, CoreNetStates::TAwaitingDataClientRejoinOrApplyOrCancel, PRActivities::CRejoinDataClientActivity::TRejoinLoopTag) |
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173 NODEACTIVITY_ENTRY(KNoTag, PRActivities::CRejoinDataClientActivity::TApplyRejoin, CoreNetStates::TAwaitingApplyResponse, MeshMachine::TNoTag) |
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174 #ifdef SYMBIAN_ADAPTIVE_TCP_RECEIVE_WINDOW |
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175 LAST_NODEACTIVITY_ENTRY(KNoTag, PRStates::TSendApplyResponse) |
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176 #else |
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177 LAST_NODEACTIVITY_ENTRY(KNoTag, SCprStates::TSendApplyResponse) |
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178 #endif // SYMBIAN_ADAPTIVE_TCP_RECEIVE_WINDOW |
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179 NODEACTIVITY_END() |
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180 } |
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181 |
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182 namespace IPDeftBaseSCprBinderRequestActivity |
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183 { |
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184 DECLARE_DEFINE_CUSTOM_NODEACTIVITY(ECFActivityBinderRequest, IPDeftBaseSCprBinderRequest, TCFServiceProvider::TCommsBinderRequest, CCommsBinderActivity::NewL) |
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185 FIRST_NODEACTIVITY_ENTRY(CoreNetStates::TAwaitingBinderRequest, TNoTagOrUseExistingOrPermissionDenied) |
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186 |
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187 NODEACTIVITY_ENTRY(KNoTag, PRStates::TCreateDataClient, CoreNetStates::TAwaitingDataClientJoin, MeshMachine::TNoTag) |
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188 |
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189 // Below this point we need to modify the error handling approach. If we're getting a TError on TBinderResponse, |
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190 // this means the client requesting the binder couldn't bind to it. As far as the client is concerned, this |
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191 // activity is finished (it has flagged an error). The standard error handling will result in erroring |
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192 // the originator. In this case we shouoldn't error the originator, instead, wrap up quietly. |
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193 THROUGH_NODEACTIVITY_ENTRY(KNoTag, CCommsBinderActivity::TProcessDataClientCreation, MeshMachine::TTag<CoreStates::KUseExisting>) |
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194 |
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195 NODEACTIVITY_ENTRY(CoreStates::KUseExisting, CCommsBinderActivity::TSendBinderResponse, CCommsBinderActivity::TAwaitingBindToComplete, MeshMachine::TNoTagOrErrorTag) |
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196 LAST_NODEACTIVITY_ENTRY(KNoTag, MeshMachine::TDoNothing) |
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197 LAST_NODEACTIVITY_ENTRY(KErrorTag, MeshMachine::TClearError) |
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198 LAST_NODEACTIVITY_ENTRY(KPermissionDenied, MeshMachine::TRaiseAndClearActivityError) |
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199 NODEACTIVITY_END() |
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200 } |
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201 |
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202 namespace IPDeftBaseSCprBinderRequestActivity |
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203 { |
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204 const TUint32 KSIPSecureId = 270490934; |
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205 const TUint32 KDHCPSecureId = 270522821; |
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206 const TUint32 KDNSSecureId = 268437634; |
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207 |
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208 DEFINE_SMELEMENT(TNoTagOrUseExistingOrPermissionDenied, NetStateMachine::MStateFork, TContext) |
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209 TInt TNoTagOrUseExistingOrPermissionDenied::TransitionTag() |
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210 { |
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211 ASSERT(iContext.iNodeActivity); |
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212 |
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213 // have to cast the context sicne we're inheriting |
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214 NetStateMachine::TContextAccessor<IPDeftBaseSCprBinderRequestActivity::TContext,CCommsBinderActivity::TContext> ctxAccessor(iContext); |
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215 |
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216 if (ctxAccessor.Context().Node().ImsFlag()) |
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217 { |
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218 TSecureId secureId = 0; |
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219 MPlatsecApiExt* extn = NULL; |
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220 TRAPD(err, extn = reinterpret_cast<MPlatsecApiExt*>(address_cast<TNodeId>(iContext.iSender).Node().FetchNodeInterfaceL(MPlatsecApiExt::KInterfaceId))); |
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221 if (err == KErrNone || extn != NULL) |
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222 { |
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223 if ((extn->SecureId(secureId) != KErrNone) || |
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224 (secureId.iId != KSIPSecureId && secureId.iId != KDHCPSecureId && secureId.iId != KDNSSecureId)) |
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225 { |
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226 iContext.iNodeActivity->SetError(KErrPermissionDenied); |
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227 return KPermissionDenied; |
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228 } |
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229 } |
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230 } |
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231 |
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232 return PRActivities::CCommsBinderActivity::TNoTagOrUseExisting::TransitionTag(); |
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233 } |
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234 } |
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235 |
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236 namespace IPDeftBaseSCprDataClientStartActivity |
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237 { |
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238 DEFINE_SMELEMENT(TGetParams, NetStateMachine::MStateTransition, TContext) |
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239 void TGetParams::DoL() |
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240 { |
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241 ASSERT(iContext.iNodeActivity); |
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242 if(iContext.Node().ServiceProvider() == NULL) |
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243 { |
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244 //The service provider could have dissapeared by now. |
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245 User::Leave(KErrDied); |
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246 } |
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247 #ifdef SYMBIAN_ADAPTIVE_TCP_RECEIVE_WINDOW |
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248 iContext.iNodeActivity->PostRequestTo(*iContext.Node().ServiceProvider(), |
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249 TCFScpr::TGetParamsRequest(RCFParameterFamilyBundleC()).CRef()); |
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250 #else |
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251 iContext.iNodeActivity->PostRequestTo(*iContext.Node().ServiceProvider(), |
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252 TCFScpr::TParamsRequest(RCFParameterFamilyBundleC()).CRef()); |
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253 #endif // SYMBIAN_ADAPTIVE_TCP_RECEIVE_WINDOW |
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254 } |
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255 } |
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256 |
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257 |
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258 namespace IPDeftBaseSCprDataClientStartActivity |
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259 { |
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260 DECLARE_DEFINE_NODEACTIVITY(ECFActivityStartDataClient, IPDeftBaseSCprDataClientStart, TCFDataClient::TStart ) |
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261 FIRST_NODEACTIVITY_ENTRY(CoreNetStates::TAwaitingDataClientStart, MeshMachine::TNoTag) |
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262 #ifdef SYMBIAN_ADAPTIVE_TCP_RECEIVE_WINDOW |
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263 NODEACTIVITY_ENTRY(KNoTag, IPDeftBaseSCprDataClientStartActivity::TGetParams, CoreNetStates::TAwaitingParamResponse, CoreNetStates::TNoTagOrNoDataClients) |
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264 #else |
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265 NODEACTIVITY_ENTRY(KNoTag, IPDeftBaseSCprDataClientStartActivity::TGetParams, CoreNetStates::TAwaitingParamResponse, MeshMachine::TNoTag) |
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266 THROUGH_NODEACTIVITY_ENTRY(KNoTag, SCprStates::TStoreParams, CoreNetStates::TNoTagOrNoDataClients) |
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267 #endif // SYMBIAN_ADAPTIVE_TCP_RECEIVE_WINDOW |
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268 NODEACTIVITY_ENTRY(KNoTag, PRStates::TStartDataClients, CoreNetStates::TAwaitingDataClientsStarted, MeshMachine::TTag<CoreNetStates::KNoDataClients>) |
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269 LAST_NODEACTIVITY_ENTRY(CoreNetStates::KNoDataClients, PRStates::TSendDataClientStarted) |
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270 NODEACTIVITY_END() |
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271 } |
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272 |
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273 #ifdef SYMBIAN_ADAPTIVE_TCP_RECEIVE_WINDOW |
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274 |
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275 /* |
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276 Custom activity which waits for TTransportNotification message from IPCPR. |
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277 Stores the TCP receive window size in pointer appended to TProvisionConfig |
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278 and sends the window to all data clients. |
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279 */ |
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280 namespace IPDeftBaseSCPRBearerCharActivity |
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281 { |
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282 DECLARE_DEFINE_NODEACTIVITY(IPDeftSCprBaseActivities::ECFActivityReceiveWin, IPDeftBaseSCPRBearerCharActivity, TCFMessage::TTransportNotification) |
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283 FIRST_NODEACTIVITY_ENTRY(IPBaseSCprStates::TAwaitingTransportNotification, MeshMachine::TNoTag) |
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284 THROUGH_NODEACTIVITY_ENTRY(KNoTag, IPBaseSCprStates::TSendTransportNotificationToDataClients, MeshMachine::TNoTag) |
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285 LAST_NODEACTIVITY_ENTRY(KNoTag, MeshMachine::TDoNothing) |
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286 NODEACTIVITY_END() |
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287 } |
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288 |
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289 #endif //SYMBIAN_ADAPTIVE_TCP_RECEIVE_WINDOW |
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290 |
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291 namespace IPDeftSCprBaseActivities |
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292 { |
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293 DEFINE_ACTIVITY_MAP(ipscprbaseActivityMap) |
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294 ACTIVITY_MAP_ENTRY(IPDeftSCprRejoinDataClient, IPDeftSCprRejoin) |
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295 |
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296 #ifdef SYMBIAN_NETWORKING_UPS |
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297 ACTIVITY_MAP_END_BASE(UpsActivities, upsActivitiesSCpr) |
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298 #else |
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299 ACTIVITY_MAP_END_BASE(SCprActivities, coreSCprActivities) |
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300 #endif |
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301 } |
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302 |
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303 |
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304 namespace IPDeftBaseSCprActivities |
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305 { |
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306 DEFINE_ACTIVITY_MAP(ipdeftbasescprActivityMap) |
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307 ACTIVITY_MAP_ENTRY(IPDeftBaseSCprAddressUpdate, IPDeftBaseSCprAddressUpdate) |
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308 ACTIVITY_MAP_ENTRY(IPDeftBaseSCprDataClientStartActivity, IPDeftBaseSCprDataClientStart) |
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309 |
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310 #ifdef SYMBIAN_ADAPTIVE_TCP_RECEIVE_WINDOW |
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311 ACTIVITY_MAP_ENTRY(IPDeftBaseSCPRBearerCharActivity, IPDeftBaseSCPRBearerCharActivity) |
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312 #endif //SYMBIAN_ADAPTIVE_TCP_RECEIVE_WINDOW |
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313 |
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314 ACTIVITY_MAP_ENTRY(IPDeftBaseSCprBinderRequestActivity, IPDeftBaseSCprBinderRequest) |
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315 ACTIVITY_MAP_END_BASE(IPDeftSCprBaseActivities, ipscprbaseActivityMap) |
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316 } |
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317 |
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318 |
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319 //-========================================================= |
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320 // |
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321 // CIpSubConnectionProviderBase methods |
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322 // |
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323 //-========================================================= |
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324 CIpSubConnectionProviderBase::CIpSubConnectionProviderBase(ESock::CSubConnectionProviderFactoryBase& aFactory, |
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325 const MeshMachine::TNodeActivityMap& aActivityMap) |
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326 :CCoreSubConnectionProvider(aFactory, aActivityMap), |
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327 iIapId(KInvalidIapId) |
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328 { |
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329 } |
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330 |
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331 RNodeInterface* CIpSubConnectionProviderBase::NewClientInterfaceL(const TClientType& aClientType, TAny* aClientInfo) |
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332 { |
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333 if (aClientType.Type() & TCFClientType::EData) |
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334 { |
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335 return new (ELeave) RIPDataClientNodeInterface(); |
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336 } |
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337 return CCoreSubConnectionProvider::NewClientInterfaceL(aClientType, aClientInfo); |
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338 } |
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339 |
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340 |
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341 //-========================================================= |
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342 // |
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343 // CIpDefaultBaseSubConnectionProvider methods |
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344 // |
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345 //-========================================================= |
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346 CIpDefaultBaseSubConnectionProvider::~CIpDefaultBaseSubConnectionProvider() |
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347 { |
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348 LOG_NODE_DESTROY(KIPDeftSCprTag, CIpDefaultBaseSubConnectionProvider); |
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349 } |
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350 |
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351 CIpDefaultBaseSubConnectionProvider::CIpDefaultBaseSubConnectionProvider(ESock::CSubConnectionProviderFactoryBase& aFactory, |
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352 const MeshMachine::TNodeActivityMap& aActivityMap) |
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353 : CIpSubConnectionProviderBase(aFactory, aActivityMap) |
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354 { |
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355 LOG_NODE_CREATE(KIPDeftSCprTag, CIpDefaultBaseSubConnectionProvider); |
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356 } |
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357 |
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358 CIpDefaultBaseSubConnectionProvider* CIpDefaultBaseSubConnectionProvider::NewL(ESock::CSubConnectionProviderFactoryBase& aFactory) |
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359 { |
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360 CIpDefaultBaseSubConnectionProvider* provider = new (ELeave) CIpDefaultBaseSubConnectionProvider(aFactory, IPDeftBaseSCprActivities::ipdeftbasescprActivityMap::Self()); |
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361 CleanupStack::PushL(provider); |
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362 provider->ConstructL(KIPDeftBaseSCPRPreallocatedActivityBufferSize); |
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363 |
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364 CleanupStack::Pop(provider); |
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365 return provider; |
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366 } |
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367 |
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368 void CIpDefaultBaseSubConnectionProvider::ReceivedL(const TRuntimeCtxId& aSender, const TNodeId& aRecipient, TSignatureBase& aMessage) |
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369 { |
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370 TNodeContext<CIpDefaultBaseSubConnectionProvider> ctx(*this, aMessage, aSender, aRecipient); |
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371 ESOCK_DEBUG_MESSAGE_INTERCEPT(aSender, aMessage, aRecipient); |
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372 CCoreSubConnectionProvider::ReceivedL(aSender, aRecipient, aMessage); |
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373 User::LeaveIfError(ctx.iReturn); |
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374 } |
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375 |
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376 TBool CIpDefaultBaseSubConnectionProvider::ImsFlag() |
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377 { |
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378 TBool imsFlagSet = EFalse; |
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379 if ( iParameterBundle.IsNull() ) |
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380 { |
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381 return imsFlagSet; |
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382 } |
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383 |
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384 RParameterFamily family=iParameterBundle.FindFamily(KSubConnContextDescrParamsFamily); |
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385 if( ! family.IsNull()) |
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386 { |
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387 CSubConImsExtParamSet* imsExtGranted = static_cast<CSubConImsExtParamSet*>( |
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388 family.FindParameterSet(STypeId::CreateSTypeId(KSubCon3GPPExtParamsFactoryUid,KSubConImsExtParamsType), |
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389 RParameterFamily::EGranted)); |
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390 |
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391 if (imsExtGranted) |
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392 imsFlagSet = imsExtGranted->GetImsSignallingIndicator(); |
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393 } |
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394 |
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395 return imsFlagSet; |
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396 } |
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397 |