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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 // IPProto Tier Manager |
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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/ss_log.h> |
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24 #include <comms-infras/ss_coreprstates.h> |
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25 #include <comms-infras/ss_corepractivities.h> |
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26 #include <comms-infras/coretiermanagerstates.h> |
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27 #include <comms-infras/coretiermanageractivities.h> |
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28 #include <comms-infras/coretiernotificationactivity.h> |
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29 #include <comms-infras/coretiernotificationstates.h> |
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30 #include "IPProtoTierManager.h" |
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31 #include "IPProtoTierManagerSelector.h" |
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32 #include <comms-infras/ss_metaconnprov.h> |
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33 #include <in_sock.h> |
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34 |
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35 #ifdef SYMBIAN_TRACE_ENABLE |
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36 #define KIPProtoTierMgrTag KESockMetaConnectionTag |
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37 // _LIT8(KIPProtoTierMgrSubTag, "ipprototiermgr"); |
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38 #endif // SYMBIAN_TRACE_ENABLE |
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39 |
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40 using namespace Messages; |
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41 using namespace MeshMachine; |
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42 using namespace ESock; |
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43 using namespace NetStateMachine; |
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44 using namespace TMActivities; |
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45 using namespace CorePanics; |
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46 |
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47 //-========================================================= |
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48 // Panics |
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49 #ifdef _DEBUG |
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50 _LIT (KIpProtoTMPanic,"IpProtoTMPanic"); |
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51 #endif |
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52 |
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53 |
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54 //This transition creates a link between legacy NetMCpr & legacy CLinkPrefsSelector |
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55 DEFINE_SMELEMENT(IpProtoTMStates::TSelectProvider, NetStateMachine::MStateTransition, IpProtoTMStates::TContext) |
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56 void IpProtoTMStates::TSelectProvider::DoL() |
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57 { |
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58 __ASSERT_DEBUG(iContext.iNodeActivity, User::Panic(KIpProtoTMPanic, KPanicNoActivity)); |
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59 CSelectProviderActivity* act = static_cast<CSelectProviderActivity*>(iContext.iNodeActivity); |
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60 |
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61 //Create selector |
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62 act->iSelector = iContext.Node().DoCreateProviderSelectorL(message_cast<TCFSelector::TSimpleSelect>(iContext.iMessage).iSelectionPrefs); |
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63 |
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64 TBool isItLegacyMcpr = EFalse; |
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65 |
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66 //First assumption: At this layer (IpProto) all SelectProvider requests are always comming from MCprs. |
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67 #if !defined(__GCCXML__) |
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68 CMetaConnectionProviderBase& mcpr = mnode_cast<CMetaConnectionProviderBase>(address_cast<TNodeId>(iContext.iSender).Node()); |
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69 #else |
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70 CMetaConnectionProviderBase& mcpr = |
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71 reinterpret_cast<CMetaConnectionProviderBase&>(address_cast<TNodeId>(iContext.iSender).Node()); |
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72 #endif |
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73 |
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74 //Second assumption: All MCprs at an upper layer (above IpProto) use the Instance() to indicate that they are legacy. |
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75 if (mcpr.ProviderInfo().Instance() !=0) |
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76 { //We have a legacy provider above us |
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77 ASSERT(mcpr.ProviderInfo().TierId() == TUid::Uid(KAfInet)); //Here we can partially test the second assumption |
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78 |
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79 ASimpleSelectorBase& baseselector = static_cast<ASimpleSelectorBase&>(*act->iSelector); |
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80 if (baseselector.TypeId() == CLinkPrefsSelector::KUid) |
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81 { |
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82 CLinkPrefsSelector& selector = static_cast<CLinkPrefsSelector&>(*act->iSelector); |
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83 selector.iLegacyMCpr = &mcpr; |
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84 isItLegacyMcpr = ETrue; |
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85 } |
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86 } |
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87 |
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88 if (!isItLegacyMcpr) |
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89 { |
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90 //A 399 selection is ongoing. Note: this code is intentionally not generic and needs to be reworking. |
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91 AIpProtoSelectorBase& currentSelector = static_cast<AIpProtoSelectorBase&>(*act->iSelector); |
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92 currentSelector.iNetworkMCpr = &mcpr; |
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93 |
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94 if (iContext.ActivityId() == ESock::ECFActivityConnectionStartRecovery) |
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95 { |
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96 currentSelector.iReselection = ETrue; |
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97 } |
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98 } |
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99 |
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100 ISelectionNotify selectionNotify(act,act->InterfaceVTable()); |
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101 act->iSelector->SelectL(selectionNotify); |
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102 //Do not do any further processing here as selectors may be returning synchronously (via ISelectionNotify). |
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103 } |
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104 |
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105 DEFINE_SMELEMENT(IpProtoTMStates::TSelectProviderConnPrefList, NetStateMachine::MStateTransition, IpProtoTMStates::TContext) |
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106 void IpProtoTMStates::TSelectProviderConnPrefList::DoL() |
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107 { |
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108 __ASSERT_DEBUG(iContext.iNodeActivity, User::Panic(KIpProtoTMPanic, KPanicNoActivity)); |
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109 CSelectProviderActivity* act = static_cast<CSelectProviderActivity*>(iContext.iNodeActivity); |
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110 |
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111 //Create selector |
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112 //If a ConnPrefList is being used we know what kind of Selector to use |
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113 //(as only one kind supports it) so we can create it without calling |
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114 //the intermidiate DoCreateProviderSelectorL |
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115 act->iSelector = new (ELeave) CIpProtoProviderSelectorConnPrefList(message_cast<TCFSelector::TSelect>(iContext.iMessage).iConnPrefList); |
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116 |
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117 //First assumption: At this layer (IpProto) all SelectProvider requests are always comming from MCprs. |
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118 #if !defined(__GCCXML__) |
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119 CMetaConnectionProviderBase& mcpr = mnode_cast<CMetaConnectionProviderBase>(address_cast<TNodeId>(iContext.iSender).Node()); |
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120 #else |
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121 CMetaConnectionProviderBase& mcpr = |
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122 reinterpret_cast<CMetaConnectionProviderBase&>(address_cast<TNodeId>(iContext.iSender).Node()); |
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123 #endif |
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124 |
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125 if (mcpr.ProviderInfo().Instance() !=0) |
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126 { //We have a legacy provider above us |
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127 ASSERT(mcpr.ProviderInfo().TierId() == TUid::Uid(KAfInet)); //Here we can partially test the second assumption |
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128 |
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129 ASimpleSelectorBase& baseselector = static_cast<ASimpleSelectorBase&>(*act->iSelector); |
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130 if (baseselector.TypeId() == CLinkPrefsSelector::KUid) |
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131 { |
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132 CLinkPrefsSelector& selector = static_cast<CLinkPrefsSelector&>(*act->iSelector); |
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133 selector.iLegacyMCpr = &mcpr; |
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134 } |
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135 } |
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136 else |
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137 { |
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138 //A 399 selection is ongoing. Note: this code is intentionally not generic and needs to be reworking. |
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139 AIpProtoSelectorBase& currentSelector = static_cast<AIpProtoSelectorBase&>(*act->iSelector); |
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140 currentSelector.iNetworkMCpr = &mcpr; |
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141 |
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142 if (iContext.ActivityId() == ESock::ECFActivityConnectionStartRecovery) |
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143 { |
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144 currentSelector.iReselection = ETrue; |
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145 } |
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146 } |
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147 |
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148 ISelectionNotify selectionNotify(act,act->InterfaceVTable()); |
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149 act->iSelector->SelectL(selectionNotify); |
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150 //Do not do any further processing here as selectors may be returning synchronously (via ISelectionNotify). |
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151 } |
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152 |
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153 namespace IpProtoTMSelectProviderActivity |
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154 { //Simple parallel activity provider selection, waits untill selection completes (via ISelectionNotify), then gets destroyed |
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155 DECLARE_DEFINE_CUSTOM_NODEACTIVITY(ECFActivitySelect, IpProtoTMSelectProvider, TCFSelector::TSimpleSelect, CSelectProviderActivity::NewL) |
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156 FIRST_NODEACTIVITY_ENTRY(TMStates::TAwaitingSelectProvider, MeshMachine::TNoTag) |
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157 NODEACTIVITY_ENTRY(KNoTag, IpProtoTMStates::TSelectProvider, CoreStates::TNeverAccept, MeshMachine::TNoTag) |
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158 LAST_NODEACTIVITY_ENTRY(KNoTag, MeshMachine::TDoNothing) |
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159 NODEACTIVITY_END() |
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160 } |
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161 |
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162 namespace IpProtoTMSelectProviderConnPrefListActivity |
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163 { //Simple parallel activity provider selection, waits untill selection completes (via ISelectionNotify), then gets destroyed |
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164 DECLARE_DEFINE_CUSTOM_NODEACTIVITY(ECFActivitySelect, IpProtoTMSelectConnPrefListProvider, TCFSelector::TSelect, CSelectProviderActivity::NewL) |
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165 FIRST_NODEACTIVITY_ENTRY(TMStates::TAwaitingSelectProviderSuper, MeshMachine::TNoTag) |
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166 NODEACTIVITY_ENTRY(KNoTag, IpProtoTMStates::TSelectProviderConnPrefList, CoreStates::TNeverAccept, MeshMachine::TNoTag) |
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167 LAST_NODEACTIVITY_ENTRY(KNoTag, MeshMachine::TDoNothing) |
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168 NODEACTIVITY_END() |
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169 } |
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170 |
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171 namespace IpProtoTMActivities |
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172 { |
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173 DECLARE_DEFINE_ACTIVITY_MAP(stateMap) |
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174 ACTIVITY_MAP_ENTRY(IpProtoTMSelectProviderActivity,IpProtoTMSelectProvider) |
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175 ACTIVITY_MAP_ENTRY(IpProtoTMSelectProviderConnPrefListActivity,IpProtoTMSelectConnPrefListProvider) |
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176 ACTIVITY_MAP_END_BASE(TMActivities, coreTMActivities) |
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177 } |
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178 |
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179 |
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180 CIPProtoTierManager* CIPProtoTierManager::NewL(ESock::CTierManagerFactoryBase& aFactory) |
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181 { |
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182 return new (ELeave) CIPProtoTierManager(aFactory, IpProtoTMActivities::stateMap::Self()); |
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183 } |
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184 |
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185 CIPProtoTierManager::CIPProtoTierManager(ESock::CTierManagerFactoryBase& aFactory, |
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186 const MeshMachine::TNodeActivityMap& aActivityMap) |
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187 : CCoreTierManager(aFactory,aActivityMap) |
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188 { |
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189 LOG_NODE_CREATE(KIPProtoTierMgrTag, CIPProtoTierManager); |
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190 } |
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191 |
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192 CIPProtoTierManager::~CIPProtoTierManager() |
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193 { |
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194 LOG_NODE_DESTROY(KIPProtoTierMgrTag, CIPProtoTierManager); |
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195 } |
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196 |
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197 ESock::MProviderSelector* CIPProtoTierManager::DoCreateProviderSelectorL(const Meta::SMetaData& aSelectionPreferences) |
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198 { |
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199 return TIpProtoProviderSelectorFactory::NewSelectorL(aSelectionPreferences); |
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200 } |
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201 |
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202 void CIPProtoTierManager::ReceivedL(const TRuntimeCtxId& aSender, const TNodeId& aRecipient, TSignatureBase& aMessage) |
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203 { |
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204 TNodeContext<CIPProtoTierManager> ctx(*this, aMessage, aSender, aRecipient); |
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205 CCoreTierManager::Received(ctx); |
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206 User::LeaveIfError(ctx.iReturn); |
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207 } |
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208 |
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209 |
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210 |