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1 // Copyright (c) 2005-2009 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 // |
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15 |
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16 #include "coremcpractivities.h" |
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17 |
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18 |
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19 #include <comms-infras/ss_log.h> |
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20 #include <comms-infras/ss_coreprstates.h> |
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21 #include <comms-infras/coremcprstates.h> |
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22 #include <comms-infras/esock_params.h> |
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23 #include <comms-infras/ss_nodemessages_selector.h> |
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24 #include <comms-infras/ss_nodemessages_dataclient.h> |
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25 #include <comms-infras/ss_nodemessages_serviceprovider.h> |
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26 #include <comms-infras/ss_nodemessages_availability.h> |
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27 #include <comms-infras/ss_nodemessages_factory.h> |
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28 #include <comms-infras/ss_nodemessages_tiermanagerfactory.h> |
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29 #include <comms-infras/ss_nodemessages_mcpr.h> |
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30 |
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31 #include <elements/nm_messages_peer.h> |
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32 #include <elements/nm_messages_errorrecovery.h> |
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33 #include <elements/nm_messages_child.h> |
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34 #include <comms-infras/ss_tiermanagerutils.h> |
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35 #include <ss_glob.h> |
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36 #include "ss_internal_activities.h" |
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37 #include <commsdattypesv1_1.h> |
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38 |
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39 #ifdef _DEBUG |
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40 // Panic category for "absolutely impossible!" vanilla ASSERT()-type panics from this module |
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41 // (if it could happen through user error then you should give it an explicit, documented, category + code) |
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42 _LIT(KSpecAssert_ESockCoreProvcprac, "ESockCrPrvcprac"); |
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43 #endif |
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44 |
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45 #ifdef __CFLOG_ACTIVE |
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46 #define KCoreMCprStatesTag KESockMetaConnectionTag |
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47 _LIT8(KCoreMCprStatesSubTag, "coremcprstate"); |
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48 #endif |
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49 |
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50 using namespace ESock; |
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51 using namespace MCprActivities; |
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52 using namespace NetStateMachine; |
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53 using namespace PRActivities; |
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54 using namespace CorePanics; |
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55 using namespace Messages; |
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56 using namespace MeshMachine; |
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57 |
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58 |
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59 // |
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60 //Panics |
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61 void CoreMCprPanic(TInt aCode) |
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62 { |
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63 _LIT(KCoreMCprPanic, "CoreMCprPanic"); |
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64 User::Panic(KCoreMCprPanic, aCode); |
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65 } |
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66 |
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67 |
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68 namespace MCprControlClientJoinActivity |
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69 { //This activity needs the activity object (& it can fail on AddClientL, so no point converting) |
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70 DECLARE_DEFINE_NODEACTIVITY(ECFActivityClientJoin, MCprControlClientJoin, Messages::TNodeSignal::TNullMessageId) //May be waiting for both messages |
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71 FIRST_NODEACTIVITY_ENTRY(CoreNetStates::TAwaitingControlClientJoin, MeshMachine::TNoTag) |
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72 LAST_NODEACTIVITY_ENTRY(KNoTag, MCprStates::TDecrementBlockingDestroyAndAddControlClientAndSendJoinCompleteIfRequest) |
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73 NODEACTIVITY_END() |
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74 } |
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75 |
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76 namespace MCprDataClientJoinActivity |
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77 { //This activity needs the activity object (& it can fail on AddClientL, so no point converting) |
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78 DECLARE_DEFINE_NODEACTIVITY(ECFActivityDataClientJoin, MCprDataClientJoin, TCFControlProvider::TJoinRequest) |
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79 FIRST_NODEACTIVITY_ENTRY(CoreNetStates::TAwaitingDataClientJoinRequest, MCprStates::TNoTagOrRejoinTag) |
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80 LAST_NODEACTIVITY_ENTRY(MCprStates::KRejoinTag, MCprStates::TProcessDataClientRejoin) |
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81 LAST_NODEACTIVITY_ENTRY(KNoTag, MCprStates::TDecrementBlockingDestroyAndAddDataClientAndRespond) |
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82 NODEACTIVITY_END() |
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83 } |
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84 |
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85 namespace MCprDestroyActivity |
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86 { |
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87 DECLARE_DEFINE_CUSTOM_NODEACTIVITY(ECFActivityDestroy, MCprDestroy, Messages::TNodeSignal::TNullMessageId, CoreActivities::CDestroyActivity::New) //May be waiting for both messages |
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88 FIRST_NODEACTIVITY_ENTRY(MCprStates::TAwaitingClientLeaveAndNoClients, MeshMachine::TNoTag) |
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89 //MCprStates::TProcessClientLeave removes the client and marks the node for deletion. |
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90 //If there are no servce providers it also terminates the activity. |
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91 //If there are service providers it continues to following triples. |
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92 THROUGH_NODEACTIVITY_ENTRY(KNoTag, MCprStates::TProcessClientLeave, MeshMachine::TNoTag) |
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93 NODEACTIVITY_ENTRY(KNoTag, MeshMachine::TDoNothing, MeshMachine::TAwaitingLeaveComplete, CoreActivities::CDestroyActivity::TNoTagOrNoTagBackwards) |
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94 LAST_NODEACTIVITY_ENTRY(KNoTag, CoreNetStates::TSendClientLeavingAndRemoveControlProvider) |
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95 NODEACTIVITY_END() |
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96 } |
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97 |
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98 namespace MCprSimpleSelectActivity |
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99 { |
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100 DECLARE_DEFINE_CUSTOM_NODEACTIVITY(ECFActivitySelect, MCprSimpleSelect, TCFSelector::TSimpleSelect, CSelectNextLayerActivity::NewL) |
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101 //Reply from TAwaitingSelectNextLayer if no choices, otherwise accept |
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102 FIRST_NODEACTIVITY_ENTRY(MCprStates::TAwaitingSelectNextLayer, MeshMachine::TNoTag) |
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103 THROUGH_NODEACTIVITY_ENTRY(KNoTag, CSelectNextLayerActivity::TProcessSimpleSelectionPolicy, MCprStates::TSelectedProvider) |
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104 //Start the selection main loop |
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105 NODEACTIVITY_ENTRY(MCprStates::KSelectedProvider, CSelectNextLayerActivity::TFindOrCreateTierManager, MCprStates::TAwaitingTierManagerCreated, MeshMachine::TNoTag) |
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106 NODEACTIVITY_ENTRY(KNoTag, CSelectNextLayerActivity::TJoinTierManager, CoreStates::TAwaitingJoinComplete, MeshMachine::TNoTag) |
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107 //Select next provider and enter the selection internal loop if provider received. Break if SelectComplete(NULL). |
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108 NODEACTIVITY_ENTRY(KNoTag, CSelectNextLayerActivity::TSelectNextLayer, MCprStates::TAwaitingSelectComplete, CSelectNextLayerActivity::TNoTagOrSelectedProviderIsNull) |
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109 NODEACTIVITY_ENTRY(KNoTag, CSelectNextLayerActivity::TAddProviderInfo, MCprStates::TAwaitingSelectComplete, CSelectNextLayerActivity::TNoTagBackwardsOrJoinServiceProvider) |
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110 //Break the selection internal loop if SelectComplete(NULL), otherwise stay in this tripple |
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111 NODEACTIVITY_ENTRY(MCprStates::KJoinServiceProvider, CSelectNextLayerActivity::TJoinServiceProvider, CoreStates::TAwaitingJoinComplete, MeshMachine::TNoTag) |
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112 THROUGH_NODEACTIVITY_ENTRY(KNoTag, CSelectNextLayerActivity::TSendSelectComplete, CSelectNextLayerActivity::TSelectedProviderIsNullOrJoinServiceProviderBackward) |
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113 //Break the selection main loop if no more choices, otherwise go back again |
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114 THROUGH_NODEACTIVITY_ENTRY(MCprStates::KSelectedProviderIsNull, CSelectNextLayerActivity::TLeaveTierManager, CSelectNextLayerActivity::TNoTagOrSelectedProviderBackward) |
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115 //Finish the activity |
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116 LAST_NODEACTIVITY_ENTRY(KNoTag, MCprStates::TSendFinalSelectComplete) |
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117 NODEACTIVITY_END() |
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118 } |
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119 |
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120 namespace MCprSimpleSelectActivitySuper |
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121 { |
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122 DECLARE_DEFINE_CUSTOM_NODEACTIVITY(ECFActivitySelect, MCprSimpleSelect, TCFSelector::TSelect, CSelectNextLayerActivity::NewL) |
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123 //Reply from TAwaitingSelectNextLayer if no choices, otherwise accept |
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124 FIRST_NODEACTIVITY_ENTRY(MCprStates::TAwaitingSelectNextLayerSuper, MeshMachine::TNoTag) |
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125 THROUGH_NODEACTIVITY_ENTRY(KNoTag, CSelectNextLayerActivity::TProcessPrioritisedSelectionPolicySuper, MCprStates::TSelectedProvider) |
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126 //Start the selection main loop |
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127 NODEACTIVITY_ENTRY(MCprStates::KSelectedProvider, CSelectNextLayerActivity::TFindOrCreateTierManagerSuper, MCprStates::TAwaitingTierManagerCreated, MeshMachine::TNoTag) |
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128 NODEACTIVITY_ENTRY(KNoTag, CSelectNextLayerActivity::TJoinTierManager, CoreStates::TAwaitingJoinComplete, MeshMachine::TNoTag) |
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129 //Select next provider and enter the selection internal loop if provider received. Break if SelectComplete(NULL). |
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130 NODEACTIVITY_ENTRY(KNoTag, CSelectNextLayerActivity::TSelectNextLayerSuper, MCprStates::TAwaitingSelectComplete, CSelectNextLayerActivity::TNoTagOrSelectedProviderIsNull) |
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131 NODEACTIVITY_ENTRY(KNoTag, CSelectNextLayerActivity::TAddProviderInfo, MCprStates::TAwaitingSelectComplete, CSelectNextLayerActivity::TNoTagBackwardsOrJoinServiceProvider) |
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132 //Break the selection internal loop if SelectComplete(NULL), otherwise stay in this tripple |
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133 NODEACTIVITY_ENTRY(MCprStates::KJoinServiceProvider, CSelectNextLayerActivity::TJoinServiceProvider, CoreStates::TAwaitingJoinComplete, MeshMachine::TNoTag) |
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134 THROUGH_NODEACTIVITY_ENTRY(KNoTag, CSelectNextLayerActivity::TSendSelectComplete, CSelectNextLayerActivity::TSelectedProviderIsNullOrJoinServiceProviderBackward) |
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135 //Break the selection main loop if no more choices, otherwise go back again |
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136 THROUGH_NODEACTIVITY_ENTRY(MCprStates::KSelectedProviderIsNull, CSelectNextLayerActivity::TLeaveTierManager, CSelectNextLayerActivity::TNoTagOrSelectedProviderBackwardSuper) |
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137 //Finish the activity |
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138 LAST_NODEACTIVITY_ENTRY(KNoTag, MCprStates::TSendFinalSelectComplete) |
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139 NODEACTIVITY_END() |
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140 } |
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141 |
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142 namespace MCprNoBearerActivity |
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143 { |
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144 DECLARE_DEFINE_CUSTOM_NODEACTIVITY(ECFActivityNoBearer, MCprNoBearer, TCFControlProvider::TNoBearer, PRActivities::CNoBearer::NewL) |
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145 FIRST_NODEACTIVITY_ENTRY(CoreNetStates::TAwaitingNoBearer, CNoBearer::TNoTagOrBearerPresentBlockedByNoBearer) |
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146 NODEACTIVITY_ENTRY(KNoTag, MCprStates::TSelectNextLayer, MCprStates::TAwaitingSelectNextLayerCompleted, CoreNetStates::TNoTagOrBearerPresent) |
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147 |
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148 //Special for the Meta Plane (don't just copy & paste) |
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149 // NODEACTIVITY_ENTRY(CoreNetStates::KBearerPresent, CoreNetStates::TStartServiceProvider, CoreNetStates::TAwaitingStarted, TTag<CoreNetStates::KBearerPresent>) |
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150 NODEACTIVITY_ENTRY(CoreNetStates::KBearerPresent, CoreNetStates::TRequestCommsBinderRetry, CoreNetStates::TAwaitingBinderResponse, TTag<CoreNetStates::KBearerPresent>) |
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151 NODEACTIVITY_ENTRY(CoreNetStates::KBearerPresent, CoreNetStates::TSendBindTo, CoreNetStates::TAwaitingBindToComplete, TTag<CoreNetStates::KBearerPresent>) |
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152 THROUGH_NODEACTIVITY_ENTRY(CoreNetStates::KBearerPresent, CoreActivities::ABindingActivity::TSendBindToComplete, MeshMachine::TNoTag) |
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153 |
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154 LAST_NODEACTIVITY_ENTRY(KNoTag, CoreNetStates::TSendBearer) |
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155 NODEACTIVITY_END() |
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156 } |
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157 |
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158 namespace MCprReConnectActivity |
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159 { |
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160 //MCprConnectionStartRecovery activity belongs to a group of Error Recovery Activities. |
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161 //Error Recovery Activities need to handle their own errors (generated as well as returned). |
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162 DECLARE_DEFINE_CUSTOM_NODEACTIVITY(ECFActivityReConnect, MCprReConnect, TCFMcpr::TReConnect, CReConnectActivity::NewL) |
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163 FIRST_NODEACTIVITY_ENTRY(MCprStates::TAwaitingReConnectRequest, MeshMachine::TNoTag) |
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164 THROUGH_NODEACTIVITY_ENTRY(KNoTag, CReConnectActivity::TProcessReConnectRequest, MeshMachine::TNoTag) |
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165 |
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166 //Build lower layer |
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167 NODEACTIVITY_ENTRY(KNoTag, CReConnectActivity::TBuildLowerLayer, CoreNetStates::TAwaitingBindToComplete, MeshMachine::TNoTag) |
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168 |
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169 //Respond |
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170 LAST_NODEACTIVITY_ENTRY(KNoTag, CReConnectActivity::TSendReConnectResponse) |
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171 NODEACTIVITY_END() |
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172 } |
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173 |
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174 namespace MCprErrorRecoveryDefaultActivity |
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175 { |
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176 //This is a default error recovery activity. |
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177 //It always replies with TErrorRecoveryResponse(EPropagate). |
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178 DECLARE_DEFINE_NODEACTIVITY(ECFActivityErrorRecovery, DefaultErrorRecovery, TEErrorRecovery::TErrorRecoveryRequest) |
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179 NODEACTIVITY_ENTRY(KNoTag, MCprStates::TSendPropagateRecoveryResponse, MCprStates::TAwaitingErrorRecoveryRequest, MeshMachine::TNoTag) |
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180 NODEACTIVITY_END() |
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181 } |
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182 |
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183 namespace MCprBinderRequestActivity |
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184 { |
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185 // MCPRs can only have one data client, hence the use of CoreNetStates::TNoTagOrDataClientPresent. |
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186 DECLARE_DEFINE_CUSTOM_NODEACTIVITY(ECFActivityBinderRequest, MCprBinderRequest, TCFServiceProvider::TCommsBinderRequest, CCommsBinderActivity::NewL) |
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187 FIRST_NODEACTIVITY_ENTRY(CoreNetStates::TAwaitingBinderRequest, CCommsBinderActivity::TNoTagOrUseExistingBlockedByBinderRequest) |
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188 NODEACTIVITY_ENTRY(KNoTag, PRStates::TCreateDataClient, CoreNetStates::TAwaitingDataClientJoin, MeshMachine::TNoTag) |
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189 |
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190 // Below this point we need to modify the error handling approach. If we're getting a TError on TBinderResponse, |
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191 // this means the client requesting the binder couldn't bind to it. As far as the client is concerned, this |
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192 // activity is finished (it has flagged an error). The standard error handling will result in erroring |
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193 // the originator. In this case we shouoldn't error the originator, instead, wrap up quietly. |
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194 THROUGH_NODEACTIVITY_ENTRY(KNoTag, CCommsBinderActivity::TProcessDataClientCreation, TTag<CoreStates::KUseExisting>) |
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195 |
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196 NODEACTIVITY_ENTRY(CoreStates::KUseExisting, CCommsBinderActivity::TSendBinderResponse, CCommsBinderActivity::TAwaitingBindToComplete, MeshMachine::TNoTagOrErrorTag) |
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197 LAST_NODEACTIVITY_ENTRY(KNoTag, MeshMachine::TDoNothing) |
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198 LAST_NODEACTIVITY_ENTRY(KErrorTag, MeshMachine::TClearError) |
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199 NODEACTIVITY_END() |
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200 } |
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201 |
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202 namespace MCprReportProviderStatusActivity |
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203 { |
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204 DECLARE_DEFINE_NODEACTIVITY(ECFActivityReportProviderStatus, MCprReportProviderStatus, TCFMcpr::TProviderStatusChangeRegistration) |
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205 // for other requests "joining in" |
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206 NODEACTIVITY_ENTRY(KNoTag, MCprStates::TProcessProviderStatusChangeRegistration, MeshMachine::TAwaitingAny, MeshMachine::TNoTag) |
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207 NODEACTIVITY_ENTRY(KNoTag, MeshMachine::TDoNothing, CoreNetStates::TAwaitingProviderStatusChangeOrDataClientStatusChange, MCprStates::TDataClientStatusChangeOrNoTag) |
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208 // Process the provider status change notification sent from provider on left |
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209 THROUGH_NODEACTIVITY_ENTRY(MCprStates::KDataClientStatusChange, PRStates::THandleDataClientStatusChangeAndDestroyOrphans, MeshMachine::TNoTag) |
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210 NODEACTIVITY_ENTRY(KNoTag, MCprStates::TPostStatusChangeToOriginators, CoreNetStates::TAwaitingProviderStatusChangeOrDataClientStatusChange, MCprStates::TDataClientStatusChangeBackwardsOrNoTagBackwards) |
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211 // Never get past this point |
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212 NODEACTIVITY_END() |
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213 } |
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214 |
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215 namespace MCprAvailabilityNotificationActivity |
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216 { |
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217 // Reference availability notification activity. |
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218 // Forwards availability registrations down to lower MCPRs |
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219 // Then combines their responses into a single TAvailability object and sends the notification upwards if anything has changed |
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220 DECLARE_DEFINE_CUSTOM_NODEACTIVITY(ECFActivityAvailabilityNotification, MCprAvailability, TCFAvailabilityProvider::TAvailabilityNotificationRegistration, CAvailabilityActivity::NewL) |
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221 FIRST_NODEACTIVITY_ENTRY(MeshMachine::TAwaitingMessageState<TCFAvailabilityProvider::TAvailabilityNotificationRegistration>, MeshMachine::TNoTag) |
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222 |
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223 //Select Service Providers (availability sources - if any) |
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224 NODEACTIVITY_ENTRY(KNoTag, MCprStates::TSelectNextLayer, MCprStates::TAwaitingSelectNextLayerCompleted, MeshMachine::TNoTagOrErrorTag) |
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225 |
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226 //Register for notifications with all Service Providers (if any) |
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227 NODEACTIVITY_ENTRY(KNoTag, CAvailabilityActivity::TRegisterForNotifications, MCprStates::TAwaitingAvailabilityNotificationOrError, TErrorTagOr<TTag<MCprStates::KProcessAvailability> >) |
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228 |
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229 //Process the availability notification and loop (if success, or finish on failure) |
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230 NODEACTIVITY_ENTRY(MCprStates::KProcessAvailability, CAvailabilityActivity::TProcessNotification, MCprStates::TAwaitingAvailabilityNotificationOrError, TErrorTagOr<TTag<MCprStates::KProcessAvailability|EBackward> >) |
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231 |
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232 LAST_NODEACTIVITY_ENTRY(KErrorTag, MeshMachine::TRaiseAndClearActivityError) |
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233 NODEACTIVITY_END() |
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234 } |
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235 |
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236 // Also if this Message is not expected to be received from the MCpr, we |
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237 // manage it. |
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238 namespace MCprDataClientGoneDownActivity |
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239 { |
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240 DECLARE_DEFINE_NODEACTIVITY(ECFActivityDataClientGoneDown, MCprDataClientGoneDown, TCFControlProvider::TDataClientGoneDown) |
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241 // The only thing we do is to clear(unset) the "Flags" of |
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242 // the relative DataClient from "EStart": this is done |
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243 // in "TAwaitingDataClientGoneDown". |
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244 FIRST_NODEACTIVITY_ENTRY(CoreNetStates::TAwaitingDataClientGoneDown, MeshMachine::TNoTag) |
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245 LAST_NODEACTIVITY_ENTRY(KNoTag, MeshMachine::TDoNothing) |
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246 NODEACTIVITY_END() |
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247 } |
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248 |
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249 namespace MCprStartActivity |
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250 { |
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251 DECLARE_DEFINE_CUSTOM_NODEACTIVITY(ECFActivityStart, MCprStart, TCFServiceProvider::TStart, PRActivities::CStartActivity::NewL) |
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252 FIRST_NODEACTIVITY_ENTRY(CoreNetStates::TAwaitingStart, CoreNetStates::TNoTagOrBearerPresentBlockedByStop) |
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253 NODEACTIVITY_ENTRY(KNoTag, MCprStates::TSelectNextLayer, MCprStates::TAwaitingSelectNextLayerCompleted, CoreNetStates::TNoTagOrBearerPresent) |
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254 NODEACTIVITY_ENTRY(CoreNetStates::KBearerPresent, CoreNetStates::TBindSelfToPresentBearer, CoreNetStates::TAwaitingBindToComplete, TTag<CoreNetStates::KBearerPresent>) |
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255 |
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256 //Start the service provider, use the default cancellation. |
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257 //Forward TCancel to the service provider, wait for TStarted or TError (via the Error Activity) |
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258 //When TStarted arrives after TCancel the activity will move to the nearest KErrorTag |
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259 NODEACTIVITY_ENTRY(CoreNetStates::KBearerPresent, CoreNetStates::TStartServiceProviderRetry, CoreNetStates::TAwaitingStarted, MeshMachine::TNoTagOrErrorTag) |
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260 LAST_NODEACTIVITY_ENTRY(KErrorTag, MeshMachine::TDoNothing) |
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261 //Start data clients, use the default cancellation. |
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262 //Forward TCancel to the self, wait for TCFDataClient::TStarted or TError (via the Error Activity) |
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263 //When TCFDataClient::TStarted arrives after TCancel the activity will move to the nearest KErrorTag |
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264 NODEACTIVITY_ENTRY(KNoTag, CoreNetStates::TStartSelf, CoreNetStates::TAwaitingDataClientStarted, MeshMachine::TNoTagOrErrorTag) |
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265 NODEACTIVITY_ENTRY(KErrorTag, CoreNetStates::TStopSelf, CoreNetStates::TAwaitingDataClientStopped, MeshMachine::TErrorTag) |
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266 LAST_NODEACTIVITY_ENTRY(KErrorTag, MeshMachine::TDoNothing) |
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267 LAST_NODEACTIVITY_ENTRY(KNoTag, CoreNetStates::TSendStarted) |
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268 NODEACTIVITY_END() |
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269 } |
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270 |
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271 namespace MCprStopActivity |
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272 { |
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273 DECLARE_DEFINE_CUSTOM_NODEACTIVITY(ECFActivityStop, MCprStop, TCFServiceProvider::TStop, MeshMachine::CNodeRetryActivity::NewL) |
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274 FIRST_NODEACTIVITY_ENTRY(CoreNetStates::TAwaitingStop, CoreNetStates::TActiveOrNoTagBlockedByBindTo) |
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275 THROUGH_NODEACTIVITY_ENTRY(KActiveTag, CoreNetStates::TCancelDataClientStart, MeshMachine::TNoTag) |
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276 NODEACTIVITY_ENTRY(KNoTag, CoreNetStates::TStopSelf, CoreNetStates::TAwaitingDataClientStopped, CoreNetStates::TNoTagOrNoBearer) |
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277 NODEACTIVITY_ENTRY(KNoTag, CoreNetStates::TSendStop, CoreNetStates::TAwaitingStopped, TTag<CoreNetStates::KNoBearer>) |
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278 LAST_NODEACTIVITY_ENTRY(CoreNetStates::KNoBearer, PRStates::TSendStoppedAndGoneDown) |
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279 NODEACTIVITY_END() |
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280 } |
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281 |
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282 namespace MCprActivities |
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283 { |
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284 //This activity map should be used if the MCPR only supports the |
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285 //selection message TSelectNextLayerConnPrefList. Nodes using this activity |
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286 //map will not support legacy selection |
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287 DEFINE_EXPORT_ACTIVITY_MAP(coreMCprActivitiesSuper) |
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288 ACTIVITY_MAP_ENTRY(MCprDestroyActivity, MCprDestroy) |
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289 ACTIVITY_MAP_ENTRY(MCprSimpleSelectActivitySuper, MCprSimpleSelect) |
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290 ACTIVITY_MAP_ENTRY(MCprNoBearerActivity, MCprNoBearer) |
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291 ACTIVITY_MAP_ENTRY(MCprReConnectActivity, MCprReConnect) |
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292 ACTIVITY_MAP_ENTRY(MCprAvailabilityNotificationActivity, MCprAvailability) |
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293 ACTIVITY_MAP_ENTRY(MCprBinderRequestActivity, MCprBinderRequest) |
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294 ACTIVITY_MAP_ENTRY(MCprReportProviderStatusActivity, MCprReportProviderStatus) |
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295 ACTIVITY_MAP_ENTRY(MCprDataClientJoinActivity, MCprDataClientJoin) |
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296 ACTIVITY_MAP_ENTRY(MCprControlClientJoinActivity, MCprControlClientJoin) |
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297 ACTIVITY_MAP_ENTRY(MCprErrorRecoveryDefaultActivity, DefaultErrorRecovery) |
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298 ACTIVITY_MAP_ENTRY(MCprDataClientGoneDownActivity, MCprDataClientGoneDown) |
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299 ACTIVITY_MAP_ENTRY(MCprStopActivity, MCprStop) |
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300 ACTIVITY_MAP_ENTRY(MCprStartActivity, MCprStart) |
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301 ACTIVITY_MAP_END_BASE(PRActivities, coreActivitiesMCpr) |
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302 |
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303 //This activiy map supports legacy selection and the additional activity |
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304 //is that support. It should be used where tier managers need to support |
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305 //selection message TSelectNextLayer |
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306 DEFINE_EXPORT_ACTIVITY_MAP(coreMCprActivities) |
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307 ACTIVITY_MAP_ENTRY(MCprSimpleSelectActivity, MCprSimpleSelect) |
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308 ACTIVITY_MAP_END_BASE(MCprActivities, coreMCprActivitiesSuper) |
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309 } |
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310 |
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311 // |
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312 //CSelectNextLayerActivity |
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313 EXPORT_C MeshMachine::CNodeActivityBase* CSelectNextLayerActivity::NewL(const MeshMachine::TNodeActivity& aActivitySig, MeshMachine::AMMNodeBase& aNode) |
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314 { |
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315 CSelectNextLayerActivity* self = new (ELeave) CSelectNextLayerActivity(aActivitySig, aNode); |
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316 CleanupStack::PushL(self); |
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317 self->ConstructL(); |
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318 CleanupStack::Pop(self); |
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319 return self; |
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320 } |
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321 |
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322 EXPORT_C void CSelectNextLayerActivity::ConstructL() |
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323 { |
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324 iDbs = CommsDat::CMDBSession::NewL(KCDVersion1_2); |
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325 |
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326 } |
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327 |
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328 EXPORT_C CSelectNextLayerActivity::~CSelectNextLayerActivity() |
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329 { |
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330 if (!iTierManager.IsNull()) |
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331 { |
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332 // Only leave if the iTierManager is still a client - only happens in some |
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333 // error cases for example if the Join fails the generic TError handling |
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334 // does not call iTierManager.SetNull(), also if AddClientL() leaves. |
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335 // TierManager is always a special case because the relationship with |
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336 // MCPR is always temporary. |
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337 RNodeInterface* client = iNode.FindClient(iTierManager); |
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338 if (client) |
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339 { |
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340 RClientInterface::OpenPostMessageClose(iNode.Id(), iTierManager, TEChild::TLeft().CRef()); |
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341 iNode.RemoveClient(iTierManager); |
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342 } |
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343 iTierManager.SetNull(); |
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344 } |
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345 delete iDbs; |
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346 iSelectCompleteMessages.Close(); |
|
347 } |
|
348 |
|
349 EXPORT_C TConnIdList& CSelectNextLayerActivity::SelectionChoices() |
|
350 { |
|
351 return iSelectionChoices; |
|
352 } |
|
353 |
|
354 EXPORT_C ESock::RConnPrefList& CSelectNextLayerActivity::SelectionConnPrefList() |
|
355 { |
|
356 return iSelectionConnPrefList; |
|
357 } |
|
358 |
|
359 EXPORT_DEFINE_SMELEMENT(CSelectNextLayerActivity::TNoTagOrSelectedProviderIsNull, NetStateMachine::MStateFork, CSelectNextLayerActivity::TContext) |
|
360 TInt CSelectNextLayerActivity::TNoTagOrSelectedProviderIsNull::TransitionTag() |
|
361 { |
|
362 //We proceede forward through a transision that will process our concrete message received (NULL or not NULL). |
|
363 TInt tag = MeshMachine::KNoTag | NetStateMachine::EForward; |
|
364 if (message_cast<TCFSelector::TSelectComplete>(iContext.iMessage).iNodeId.IsNull()) |
|
365 { |
|
366 tag = MCprStates::KSelectedProviderIsNull | NetStateMachine::EForward; |
|
367 } |
|
368 return tag; |
|
369 } |
|
370 |
|
371 EXPORT_DEFINE_SMELEMENT(CSelectNextLayerActivity::TNoTagBackwardsOrJoinServiceProvider, NetStateMachine::MStateFork, CSelectNextLayerActivity::TContext) |
|
372 TInt CSelectNextLayerActivity::TNoTagBackwardsOrJoinServiceProvider::TransitionTag() |
|
373 { |
|
374 TInt tag = MeshMachine::KNoTag | NetStateMachine::EBackward; |
|
375 if (message_cast<TCFSelector::TSelectComplete>(iContext.iMessage).iNodeId.IsNull()) |
|
376 { |
|
377 //This is the final select complete that we have received from the selector. |
|
378 tag = MCprStates::KJoinServiceProvider | NetStateMachine::EForward; |
|
379 } |
|
380 return tag; |
|
381 } |
|
382 |
|
383 EXPORT_DEFINE_SMELEMENT(CSelectNextLayerActivity::TSelectedProviderIsNullOrJoinServiceProviderBackward, NetStateMachine::MStateFork, CSelectNextLayerActivity::TContext) |
|
384 TInt CSelectNextLayerActivity::TSelectedProviderIsNullOrJoinServiceProviderBackward::TransitionTag() |
|
385 { |
|
386 __ASSERT_DEBUG(iContext.iNodeActivity, CoreMCprPanic(KPanicNoActivity)); |
|
387 CSelectNextLayerActivity& ac = static_cast<CSelectNextLayerActivity&>(*iContext.iNodeActivity); |
|
388 if (ac.iSelectCompleteMessages.Count() > 0) |
|
389 { |
|
390 return MCprStates::KJoinServiceProvider | NetStateMachine::EBackward; |
|
391 } |
|
392 |
|
393 return MCprStates::KSelectedProviderIsNull | NetStateMachine::EForward; |
|
394 } |
|
395 |
|
396 EXPORT_DEFINE_SMELEMENT(CSelectNextLayerActivity::TNoTagOrSelectedProviderBackward, NetStateMachine::MStateFork, CSelectNextLayerActivity::TContext) |
|
397 TInt CSelectNextLayerActivity::TNoTagOrSelectedProviderBackward::TransitionTag() |
|
398 { |
|
399 __ASSERT_DEBUG(iContext.iNodeActivity, CoreMCprPanic(KPanicNoActivity)); |
|
400 CSelectNextLayerActivity& ac = static_cast<CSelectNextLayerActivity&>(*iContext.iNodeActivity); |
|
401 if (ac.SelectionChoices().Count() > (ac.iCurrentIndex + 1)) |
|
402 { |
|
403 return MCprStates::KSelectedProvider | NetStateMachine::EBackward; |
|
404 } |
|
405 |
|
406 return MeshMachine::KNoTag | NetStateMachine::EForward; |
|
407 } |
|
408 |
|
409 EXPORT_DEFINE_SMELEMENT(CSelectNextLayerActivity::TProcessSimpleSelectionPolicy, NetStateMachine::MStateTransition, CSelectNextLayerActivity::TContext) |
|
410 void CSelectNextLayerActivity::TProcessSimpleSelectionPolicy::DoL() |
|
411 { |
|
412 __ASSERT_DEBUG(iContext.iNodeActivity, CoreMCprPanic(KPanicNoActivity)); |
|
413 CSelectNextLayerActivity& ac = static_cast<CSelectNextLayerActivity&>(*iContext.iNodeActivity); |
|
414 __ASSERT_DEBUG(ac.SelectionChoices().Count() == 0, User::Panic(KSpecAssert_ESockCoreProvcprac, 1)); //It should be empty |
|
415 |
|
416 //We are going to process our own selection policy to determine choices |
|
417 //for selection of the next layer. |
|
418 |
|
419 //This simple transition interprets the selection policy id |
|
420 //directly as a next layer access point id. |
|
421 |
|
422 //This transition is an entry point to the main selection loop which |
|
423 //will process all the inforamtion gathered in this transition. |
|
424 //We initialise the current index to start from the beginning of the list |
|
425 //(next step preincrements). |
|
426 ac.iCurrentIndex = -1; |
|
427 |
|
428 if (iContext.Node().AccessPointConfig().FindExtension(TOverridenSelectionPrefsExt::TypeId())) |
|
429 { |
|
430 //Our selection has been overriden by special preferences (so called pass-through |
|
431 //preference) given to us by our control client. |
|
432 __CFLOG_VAR((KCoreMCprStatesTag, KCoreMCprStatesSubTag, _L8("TProcessSimpleSelectionPolicy::DoL() - Selection policy overriden!."))); |
|
433 return; |
|
434 } |
|
435 |
|
436 //Now we can interpret the selection policy and store the results for further |
|
437 //processing |
|
438 const TLayerSelectionInfo* selectInfo = static_cast<const TLayerSelectionInfo*>(iContext.Node().AccessPointConfig().FindExtension( |
|
439 STypeId::CreateSTypeId(TLayerSelectionInfo::EUid, TLayerSelectionInfo::ETypeId))); |
|
440 __ASSERT_ALWAYS(selectInfo, CoreMCprPanic(KPanicUnexpectedExecutionPath)); |
|
441 |
|
442 TUint selectionPolicyId = selectInfo->CustomSelectionPolicy(); |
|
443 |
|
444 //Running this transition, we can't be at the bottom of the stack! |
|
445 __ASSERT_DEBUG(selectionPolicyId, User::Panic(KSpecAssert_ESockCoreProvcprac, 2)); |
|
446 |
|
447 //And, of course, for nodes using this transition, it is only one single |
|
448 //access point below. |
|
449 ac.SelectionChoices().Append(selectionPolicyId); |
|
450 } |
|
451 |
|
452 EXPORT_DEFINE_SMELEMENT(CSelectNextLayerActivity::TProcessPrioritisedSelectionPolicy, NetStateMachine::MStateTransition, CSelectNextLayerActivity::TContext) |
|
453 void CSelectNextLayerActivity::TProcessPrioritisedSelectionPolicy::DoL() |
|
454 { |
|
455 __ASSERT_DEBUG(iContext.iNodeActivity, CoreMCprPanic(KPanicNoActivity)); |
|
456 CSelectNextLayerActivity& ac = static_cast<CSelectNextLayerActivity&>(*iContext.iNodeActivity); |
|
457 __ASSERT_DEBUG(ac.SelectionChoices().Count() == 0, User::Panic(KSpecAssert_ESockCoreProvcprac, 3)); //It should be empty |
|
458 |
|
459 //We are going to process our own selection policy to determine choices |
|
460 //for selection of the next layer. |
|
461 |
|
462 //This simple transition interprets the selection policy id |
|
463 //directly as a next layer access point id. |
|
464 |
|
465 //This transition is an entry point to the main selection loop which |
|
466 //will process all the inforamtion gathered in this transition. |
|
467 //We initialise the current index to start from the beginning of the list |
|
468 //(next step preincrements). |
|
469 ac.iCurrentIndex = -1; |
|
470 |
|
471 if (iContext.Node().AccessPointConfig().FindExtension(TOverridenSelectionPrefsExt::TypeId())) |
|
472 { |
|
473 //Our selection has been overriden by special preferences (so called pass-through |
|
474 //preference) given to us by our control client. |
|
475 __CFLOG_VAR((KCoreMCprStatesTag, KCoreMCprStatesSubTag, _L8("TProcessPrioritisedSelectionPolicy::DoL() - Selection policy overriden!."))); |
|
476 return; |
|
477 } |
|
478 |
|
479 //Now we can interpret the selection policy and store the results for further |
|
480 //processing |
|
481 const TLayerSelectionInfo* selectInfo = static_cast<const TLayerSelectionInfo*>(iContext.Node().AccessPointConfig().FindExtension( |
|
482 STypeId::CreateSTypeId(TLayerSelectionInfo::EUid, TLayerSelectionInfo::ETypeId))); |
|
483 __ASSERT_ALWAYS(selectInfo, CoreMCprPanic(KPanicUnexpectedExecutionPath)); |
|
484 |
|
485 TUint selectionPolicyId = selectInfo->SelectionPolicy(); |
|
486 |
|
487 //Running this transition, we can't be at the bottom of the stack! |
|
488 __ASSERT_DEBUG(selectionPolicyId, User::Panic(KSpecAssert_ESockCoreProvcprac, 4)); |
|
489 |
|
490 //And, of course, for nodes using this transition, all of the choices come |
|
491 //from the simple prioritised selection policy |
|
492 TierManagerUtils::FillListL(ac.SelectionChoices(),selectionPolicyId,ac.Dbs()); |
|
493 } |
|
494 |
|
495 EXPORT_DEFINE_SMELEMENT(CSelectNextLayerActivity::TFindOrCreateTierManager, NetStateMachine::MStateTransition, CSelectNextLayerActivity::TContext) |
|
496 void CSelectNextLayerActivity::TFindOrCreateTierManager::DoL() |
|
497 { |
|
498 __ASSERT_DEBUG(iContext.iNodeActivity, CoreMCprPanic(KPanicNoActivity)); |
|
499 CSelectNextLayerActivity& ac = static_cast<CSelectNextLayerActivity&>(*iContext.iNodeActivity); |
|
500 |
|
501 //Preincrement the current index |
|
502 ++ac.iCurrentIndex; |
|
503 |
|
504 //If we do not have our choices now, this may only mean that our selection |
|
505 //policy has been overriden by our control client. |
|
506 TUid tierId; |
|
507 if (ac.SelectionChoices().Count()) |
|
508 { |
|
509 __ASSERT_DEBUG(ac.SelectionChoices().Count() > ac.iCurrentIndex, User::Panic(KSpecAssert_ESockCoreProvcprac, 5)); //Specified choice must be present |
|
510 __ASSERT_DEBUG(iContext.Node().AccessPointConfig().FindExtension(TOverridenSelectionPrefsExt::TypeId()) == NULL, User::Panic(KSpecAssert_ESockCoreProvcprac, 6)); |
|
511 tierId = TierManagerUtils::ReadTierIdL(ac.SelectionChoices().Get(ac.iCurrentIndex), ac.Dbs()) ; |
|
512 } |
|
513 else |
|
514 { |
|
515 //Our policy has been overriden |
|
516 const TOverridenSelectionPrefsExt& override = static_cast<const TOverridenSelectionPrefsExt&>(iContext.Node().AccessPointConfig().FindExtensionL(TOverridenSelectionPrefsExt::TypeId())); |
|
517 tierId = override.iTierId; |
|
518 } |
|
519 |
|
520 //The tier id must be set now! |
|
521 __ASSERT_DEBUG(tierId.iUid!=0, User::Panic(KSpecAssert_ESockCoreProvcprac, 7)); |
|
522 User::LeaveIfError(tierId.iUid!=0? KErrNone : KErrCorrupt); //Check your configuration! |
|
523 TAlwaysFindFactoryQuery query; |
|
524 iContext.iNodeActivity->PostRequestTo(SockManGlobals::Get()->GetPlaneFC(TCFPlayerRole(TCFPlayerRole::ETierMgrPlane)), TCFFactory::TFindOrCreatePeer(TCFPlayerRole::ETierMgrPlane, tierId, &query).CRef(), EFalse); |
|
525 } |
|
526 |
|
527 //This is a default implementation of the TSelectNextLayer transition, |
|
528 //Other mcprs, especially those with custom selection policies may want |
|
529 //to use their own logic to populate the selection preferences for the next layer. |
|
530 EXPORT_DEFINE_SMELEMENT(CSelectNextLayerActivity::TSelectNextLayer, NetStateMachine::MStateTransition, CSelectNextLayerActivity::TContext) |
|
531 void CSelectNextLayerActivity::TSelectNextLayer::DoL() |
|
532 { |
|
533 __ASSERT_DEBUG(iContext.iNodeActivity, CoreMCprPanic(KPanicNoActivity)); |
|
534 CSelectNextLayerActivity& ac = static_cast<CSelectNextLayerActivity&>(*iContext.iNodeActivity); |
|
535 |
|
536 if (ac.SelectionChoices().Count()) |
|
537 { |
|
538 //We use choices derived from our own selection policy |
|
539 __ASSERT_DEBUG(ac.SelectionChoices().Count() > ac.iCurrentIndex, User::Panic(KSpecAssert_ESockCoreProvcprac, 8)); //Specified choice must be present |
|
540 __ASSERT_DEBUG(iContext.Node().AccessPointConfig().FindExtension(TOverridenSelectionPrefsExt::TypeId())==NULL, User::Panic(KSpecAssert_ESockCoreProvcprac, 9)); |
|
541 |
|
542 TConnIdList list; |
|
543 list.Append(ac.SelectionChoices().Get(ac.iCurrentIndex)); |
|
544 |
|
545 TSelectionPrefs newPrefs; |
|
546 newPrefs.SetPrefs(list); |
|
547 |
|
548 iContext.iNodeActivity->PostRequestTo(ac.iTierManager, TCFSelector::TSimpleSelect(newPrefs).CRef()); |
|
549 } |
|
550 else |
|
551 { |
|
552 //We have been given preferences for the next layer and we use them here |
|
553 const TOverridenSelectionPrefsExt& override = static_cast<const TOverridenSelectionPrefsExt&>(iContext.Node().AccessPointConfig().FindExtensionL(TOverridenSelectionPrefsExt::TypeId())); |
|
554 |
|
555 iContext.iNodeActivity->PostRequestTo(ac.iTierManager, TCFSelector::TSimpleSelect(override.iPrefs).CRef()); |
|
556 } |
|
557 } |
|
558 EXPORT_DEFINE_SMELEMENT(CSelectNextLayerActivity::TProcessSimpleSelectionPolicySuper, NetStateMachine::MStateTransition, CSelectNextLayerActivity::TContext) |
|
559 void CSelectNextLayerActivity::TProcessSimpleSelectionPolicySuper::DoL() |
|
560 { |
|
561 __ASSERT_DEBUG(iContext.iNodeActivity, CoreMCprPanic(KPanicNoActivity)); |
|
562 CSelectNextLayerActivity& ac = static_cast<CSelectNextLayerActivity&>(*iContext.iNodeActivity); |
|
563 |
|
564 //We are going to process our own selection policy to determine choices |
|
565 //for selection of the next layer. |
|
566 |
|
567 //This simple transition interprets the selection policy id |
|
568 //directly as a next layer access point id. |
|
569 |
|
570 //This transition is an entry point to the main selection loop which |
|
571 //will process all the inforamtion gathered in this transition. |
|
572 |
|
573 //Now we can interpret the selection policy and store the results for further |
|
574 //processing |
|
575 const TLayerSelectionInfo* selectInfo = static_cast<const TLayerSelectionInfo*>(iContext.Node().AccessPointConfig().FindExtension( |
|
576 STypeId::CreateSTypeId(TLayerSelectionInfo::EUid, TLayerSelectionInfo::ETypeId))); |
|
577 __ASSERT_ALWAYS(selectInfo, CoreMCprPanic(KPanicUnexpectedExecutionPath)); |
|
578 |
|
579 TUint selectionPolicyId = selectInfo->CustomSelectionPolicy(); |
|
580 |
|
581 //Running this transition, we can't be at the bottom of the stack! |
|
582 __ASSERT_DEBUG(selectionPolicyId, User::Panic(KSpecAssert_ESockCoreProvcprac, 10)); |
|
583 |
|
584 //And, of course, for nodes using this transition, it is only one single |
|
585 //access point below. |
|
586 |
|
587 //This constructs a TConnAPPref to represent the access point to be created |
|
588 ac.SelectionConnPrefList() = message_cast<TCFSelector::TSelect>(iContext.iMessage).iConnPrefList; |
|
589 |
|
590 if (selectionPolicyId != (TUint)CommsDat::CCDAccessPointRecord::KNoPolicy) |
|
591 { |
|
592 TConnAPPref* nextAP = TConnAPPref::NewL(selectionPolicyId); |
|
593 CleanupStack::PushL(nextAP); |
|
594 ac.SelectionConnPrefList().AppendL(nextAP); |
|
595 CleanupStack::Pop(); |
|
596 } |
|
597 |
|
598 //The current index is set to the length of the list, this is decremented |
|
599 //in the next step so the correct tier manager is created (the one |
|
600 //relating to this access point |
|
601 } |
|
602 |
|
603 EXPORT_DEFINE_SMELEMENT(CSelectNextLayerActivity::TProcessPrioritisedSelectionPolicySuper, NetStateMachine::MStateTransition, CSelectNextLayerActivity::TContext) |
|
604 void CSelectNextLayerActivity::TProcessPrioritisedSelectionPolicySuper::DoL() |
|
605 { |
|
606 __ASSERT_DEBUG(iContext.iNodeActivity, CoreMCprPanic(KPanicNoActivity)); |
|
607 CSelectNextLayerActivity& ac = static_cast<CSelectNextLayerActivity&>(*iContext.iNodeActivity); |
|
608 |
|
609 ac.SelectionConnPrefList() = message_cast<TCFSelector::TSelect>(iContext.iMessage).iConnPrefList; |
|
610 |
|
611 //We are going to process our own selection policy to determine choices |
|
612 //for selection of the next layer. |
|
613 |
|
614 //This simple transition interprets the selection policy id |
|
615 //directly as a next layer access point id. |
|
616 |
|
617 //Now we can interpret the selection policy and store the results for further |
|
618 //processing |
|
619 const TLayerSelectionInfo* selectInfo = static_cast<const TLayerSelectionInfo*>(iContext.Node().AccessPointConfig().FindExtension( |
|
620 STypeId::CreateSTypeId(TLayerSelectionInfo::EUid, TLayerSelectionInfo::ETypeId))); |
|
621 __ASSERT_ALWAYS(selectInfo, CoreMCprPanic(KPanicUnexpectedExecutionPath)); |
|
622 TUint selectionPolicyId = selectInfo->SelectionPolicy(); |
|
623 |
|
624 //Running this transition, we can't be at the bottom of the stack! |
|
625 __ASSERT_DEBUG(selectionPolicyId, User::Panic(KSpecAssert_ESockCoreProvcprac, 11)); |
|
626 |
|
627 //And, of course, for nodes using this transition, all of the choices come |
|
628 //from the simple prioritised selection policy |
|
629 |
|
630 TierManagerUtils::FillListL(ac.SelectionConnPrefList(),selectionPolicyId,ac.Dbs()); |
|
631 } |
|
632 |
|
633 EXPORT_DEFINE_SMELEMENT(CSelectNextLayerActivity::TFindOrCreateTierManagerSuper, NetStateMachine::MStateTransition, CSelectNextLayerActivity::TContext) |
|
634 void CSelectNextLayerActivity::TFindOrCreateTierManagerSuper::DoL() |
|
635 { |
|
636 __ASSERT_DEBUG(iContext.iNodeActivity, CoreMCprPanic(KPanicNoActivity)); |
|
637 CSelectNextLayerActivity& ac = static_cast<CSelectNextLayerActivity&>(*iContext.iNodeActivity); |
|
638 |
|
639 //This takes the first TConnAPPref from the list and creates the tier manager it |
|
640 //is associated with. |
|
641 ESock::RConnPrefList::TIter<TConnAPPref> iterAP = ac.SelectionConnPrefList().getIter<TConnAPPref>(); |
|
642 |
|
643 __ASSERT_DEBUG(!iterAP.IsEnd(), User::Panic(KSpecAssert_ESockCoreProvcprac, 12)); |
|
644 |
|
645 TUid tierId = TierManagerUtils::ReadTierIdL(iterAP->GetAP(), ac.Dbs()) ; |
|
646 |
|
647 //The tier id must be set now! |
|
648 __ASSERT_DEBUG(tierId.iUid!=0, User::Panic(KSpecAssert_ESockCoreProvcprac, 13)); |
|
649 User::LeaveIfError(tierId.iUid!=0? KErrNone : KErrCorrupt); //Check your configuration! |
|
650 TAlwaysFindFactoryQuery query; |
|
651 iContext.iNodeActivity->PostRequestTo(SockManGlobals::Get()->GetPlaneFC( |
|
652 TCFPlayerRole(TCFPlayerRole::ETierMgrPlane)), |
|
653 TCFFactory::TFindOrCreatePeer(TCFPlayerRole::ETierMgrPlane, tierId, &query).CRef(), EFalse); |
|
654 } |
|
655 |
|
656 |
|
657 EXPORT_DEFINE_SMELEMENT(CSelectNextLayerActivity::TSelectNextLayerSuper, NetStateMachine::MStateTransition, CSelectNextLayerActivity::TContext) |
|
658 void CSelectNextLayerActivity::TSelectNextLayerSuper::DoL() |
|
659 { |
|
660 __ASSERT_DEBUG(iContext.iNodeActivity, CoreMCprPanic(KPanicNoActivity)); |
|
661 CSelectNextLayerActivity& ac = static_cast<CSelectNextLayerActivity&>(*iContext.iNodeActivity); |
|
662 |
|
663 // We should not have got here if the list is empty |
|
664 __ASSERT_DEBUG(ac.SelectionConnPrefList().Count() != 0, User::Panic(KSpecAssert_ESockCoreProvcprac, 14)); |
|
665 |
|
666 // The handle to the complete list is passed to the tier manager |
|
667 iContext.iNodeActivity->PostRequestTo(ac.iTierManager, TCFSelector::TSelect(ac.SelectionConnPrefList()).CRef()); |
|
668 } |
|
669 |
|
670 EXPORT_DEFINE_SMELEMENT(CSelectNextLayerActivity::TNoTagOrSelectedProviderBackwardSuper, NetStateMachine::MStateFork, CSelectNextLayerActivity::TContext) |
|
671 EXPORT_C TInt CSelectNextLayerActivity::TNoTagOrSelectedProviderBackwardSuper::TransitionTag() |
|
672 { |
|
673 __ASSERT_DEBUG(iContext.iNodeActivity, CoreMCprPanic(KPanicNoActivity)); |
|
674 CSelectNextLayerActivity& ac = static_cast<CSelectNextLayerActivity&>(*iContext.iNodeActivity); |
|
675 ESock::RConnPrefList::TIter<TConnAPPref> iterAP = ac.SelectionConnPrefList().getIter<TConnAPPref>(); |
|
676 |
|
677 if (!iterAP.IsEnd()) |
|
678 { |
|
679 return MCprStates::KSelectedProvider | NetStateMachine::EBackward; |
|
680 } |
|
681 |
|
682 return MeshMachine::KNoTag | NetStateMachine::EForward; |
|
683 } |
|
684 |
|
685 EXPORT_DEFINE_SMELEMENT(CSelectNextLayerActivity::TAddProviderInfo, NetStateMachine::MStateTransition, CSelectNextLayerActivity::TContext) |
|
686 void CSelectNextLayerActivity::TAddProviderInfo::DoL() |
|
687 { |
|
688 __ASSERT_DEBUG(iContext.iNodeActivity, CoreMCprPanic(KPanicNoActivity)); |
|
689 CSelectNextLayerActivity& ac = static_cast<CSelectNextLayerActivity&>(*iContext.iNodeActivity); |
|
690 |
|
691 TCFSelector::TSelectComplete& msg = message_cast<TCFSelector::TSelectComplete>(iContext.iMessage); |
|
692 ac.iSelectCompleteMessages.Append(msg); |
|
693 } |
|
694 |
|
695 EXPORT_DEFINE_SMELEMENT(CSelectNextLayerActivity::TJoinTierManager, NetStateMachine::MStateTransition, CSelectNextLayerActivity::TContext) |
|
696 void CSelectNextLayerActivity::TJoinTierManager::DoL() |
|
697 { |
|
698 __ASSERT_DEBUG(iContext.iNodeActivity, CoreMCprPanic(KPanicNoActivity)); |
|
699 CSelectNextLayerActivity& ac = static_cast<CSelectNextLayerActivity&>(*iContext.iNodeActivity); |
|
700 |
|
701 ac.iTierManager = message_cast<TCFFactory::TPeerFoundOrCreated>(iContext.iMessage).iNodeId; |
|
702 __ASSERT_DEBUG(!ac.iTierManager.IsNull(), User::Panic(KSpecAssert_ESockCoreProvcprac, 15)); //Must always be valid. |
|
703 |
|
704 //Ensure that the MCPR remains active by adding the lower TierManager as an |
|
705 //auxiliary client. This is only a temporary association with the TierManager |
|
706 //in the layer below and is only active for the duration of the select. |
|
707 //Note that this might leave resulting in ac.iTierManager non-Null in destructor |
|
708 iContext.Node().AddClientL(ac.iTierManager, TClientType(TCFClientType::EAux)); |
|
709 ac.PostRequestTo(ac.iTierManager, TCFPeer::TJoinRequest(iContext.NodeId(), TClientType(TCFClientType::ECtrl)).CRef()); |
|
710 } |
|
711 |
|
712 EXPORT_DEFINE_SMELEMENT(CSelectNextLayerActivity::TJoinServiceProvider, NetStateMachine::MStateTransition, MCprStates::TContext) |
|
713 void CSelectNextLayerActivity::TJoinServiceProvider::DoL() |
|
714 { |
|
715 __ASSERT_DEBUG(iContext.iNodeActivity, CoreMCprPanic(KPanicNoActivity)); |
|
716 CSelectNextLayerActivity& ac = static_cast<CSelectNextLayerActivity&>(*iContext.iNodeActivity); |
|
717 |
|
718 __ASSERT_DEBUG(ac.iSelectCompleteMessages.Count() > 0, User::Panic(KSpecAssert_ESockCoreProvcprac, 16)); |
|
719 ESock::TSigSelectComplete& msg = ac.iSelectCompleteMessages[0]; |
|
720 |
|
721 //This transition assumes that the first service provider supplied will be the chosen one (EActive denotes 'the' service provider). |
|
722 TInt flags = 0; |
|
723 if (iContext.Node().ServiceProvider() == NULL) |
|
724 { |
|
725 flags = TCFClientType::EActive; |
|
726 } |
|
727 |
|
728 RNodeInterface* client = iContext.Node().AddClientL(msg.iNodeId, TClientType(TCFClientType::EServProvider, flags), &msg.iProviderInfo); |
|
729 |
|
730 iContext.iNodeActivity->PostRequestTo(*client, TCFServiceProvider::TJoinRequest(iContext.NodeId(), TCFClientType::ECtrl).CRef()); |
|
731 } |
|
732 |
|
733 EXPORT_DEFINE_SMELEMENT(CSelectNextLayerActivity::TSendSelectComplete, NetStateMachine::MStateTransition, MCprStates::TContext) |
|
734 void CSelectNextLayerActivity::TSendSelectComplete::DoL() |
|
735 { |
|
736 __ASSERT_DEBUG(iContext.iNodeActivity, CoreMCprPanic(KPanicNoActivity)); |
|
737 CSelectNextLayerActivity& ac = static_cast<CSelectNextLayerActivity&>(*iContext.iNodeActivity); |
|
738 |
|
739 __ASSERT_DEBUG(ac.iSelectCompleteMessages.Count() > 0, User::Panic(KSpecAssert_ESockCoreProvcprac, 17)); |
|
740 ESock::TSigSelectComplete& selectcompletemsg = ac.iSelectCompleteMessages[0]; |
|
741 iContext.iNodeActivity->PostToOriginators(TCFSelector::TSelectComplete(iContext.iPeer->RecipientId(), selectcompletemsg.iProviderInfo).CRef()); |
|
742 ac.iSelectCompleteMessages.Remove(0); |
|
743 } |
|
744 |
|
745 EXPORT_DEFINE_SMELEMENT(CSelectNextLayerActivity::TLeaveTierManager, NetStateMachine::MStateTransition, CSelectNextLayerActivity::TContext) |
|
746 void CSelectNextLayerActivity::TLeaveTierManager::DoL() |
|
747 { |
|
748 __ASSERT_DEBUG(iContext.iNodeActivity, CoreMCprPanic(KPanicNoActivity)); |
|
749 CSelectNextLayerActivity& ac = static_cast<CSelectNextLayerActivity&>(*iContext.iNodeActivity); |
|
750 __ASSERT_DEBUG(!ac.iTierManager.IsNull(), User::Panic(KSpecAssert_ESockCoreProvcprac, 18)); //Must always be valid. |
|
751 ac.PostRequestTo(ac.iTierManager, TEChild::TLeft().CRef()); |
|
752 iContext.Node().RemoveClient(ac.iTierManager); |
|
753 ac.iTierManager.SetNull(); |
|
754 |
|
755 } |
|
756 // |
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757 //CReConnectActivity |
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758 CReConnectActivity::CReConnectActivity(const MeshMachine::TNodeActivity& aActivitySig, MeshMachine::AMMNodeBase& aNode) |
|
759 : MeshMachine::CNodeActivityBase(aActivitySig, aNode) |
|
760 { |
|
761 } |
|
762 |
|
763 MeshMachine::CNodeActivityBase* CReConnectActivity::NewL(const MeshMachine::TNodeActivity& aActivitySig, MeshMachine::AMMNodeBase& aNode) |
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764 { |
|
765 return new(ELeave)CReConnectActivity(aActivitySig, aNode); |
|
766 } |
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767 |
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768 void CReConnectActivity::StartL(TNodeContextBase& aContext, const Messages::XNodePeerId& aOriginator, const TStateTriple& aFirst) |
|
769 { |
|
770 //This activity provides service for only one single requestor at a time. |
|
771 __ASSERT_DEBUG(iOriginators.Count()==0, User::Panic(KSpecAssert_ESockCoreProvcprac, 19)); //Diagnostic panic |
|
772 User::LeaveIfError(iOriginators.Count()? KErrInUse : KErrNone); |
|
773 iOriginators.AppendL(aOriginator); |
|
774 MESH_LOG_CONTEXT_EXT(KESockMeshMachine, aContext, (_L8("CReConnectActivity %08x:\tStartL->starting activity"), this)); |
|
775 __ASSERT_DEBUG(IsIdle(), User::Panic(KSpecAssert_ESockCoreProvcprac, 20)); |
|
776 NetStateMachine::ACore::Start(&aContext, aFirst); |
|
777 MESH_LOG((KESockMeshMachine, _L8("CReConnectActivity %08x:\tStartL->activity started"), this)); |
|
778 } |
|
779 |
|
780 DEFINE_SMELEMENT(CReConnectActivity::TProcessReConnectRequest, NetStateMachine::MStateTransition, CReConnectActivity::TContext) |
|
781 void CReConnectActivity::TProcessReConnectRequest::DoL() |
|
782 { |
|
783 __ASSERT_DEBUG(iContext.iNodeActivity, CoreMCprPanic(KPanicNoActivity)); |
|
784 CReConnectActivity& activity = static_cast<CReConnectActivity&>(*iContext.iNodeActivity); |
|
785 TCFMcpr::TReConnect& msg = message_cast<TCFMcpr::TReConnect>(iContext.iMessage); |
|
786 |
|
787 activity.iStoppingSP = iContext.Node().FindClientL(msg.iNodeId1); |
|
788 __ASSERT_DEBUG(activity.iStoppingSP->Type()&TCFClientType::EServProvider, User::Panic(KSpecAssert_ESockCoreProvcprac, 21)); |
|
789 |
|
790 activity.iStartingSP = iContext.Node().FindClientL(msg.iNodeId2); |
|
791 __ASSERT_DEBUG(activity.iStartingSP->Type()&TCFClientType::EServProvider, User::Panic(KSpecAssert_ESockCoreProvcprac, 22)); |
|
792 } |
|
793 |
|
794 DEFINE_SMELEMENT(CReConnectActivity::TBuildLowerLayer, NetStateMachine::MStateTransition, CReConnectActivity::TContext) |
|
795 void CReConnectActivity::TBuildLowerLayer::DoL() |
|
796 { |
|
797 __ASSERT_DEBUG(iContext.iNodeActivity, CoreMCprPanic(KPanicNoActivity)); |
|
798 CReConnectActivity& activity = static_cast<CReConnectActivity&>(*iContext.iNodeActivity); |
|
799 |
|
800 //Post a TBuildLowerLayer to self, initiating building of the new layer below |
|
801 //Use the new service provider to prime the new layer |
|
802 __ASSERT_DEBUG(activity.iStartingSP, User::Panic(KSpecAssert_ESockCoreProvcprac, 25)); |
|
803 iContext.iNodeActivity->PostRequestTo(iContext.NodeId(), TCFDataClient::TBindTo(activity.iStartingSP->RecipientId()).CRef()); |
|
804 } |
|
805 |
|
806 |
|
807 DEFINE_SMELEMENT(CReConnectActivity::TSendReConnectResponse, NetStateMachine::MStateTransition, CReConnectActivity::TContext) |
|
808 void CReConnectActivity::TSendReConnectResponse::DoL() |
|
809 { |
|
810 __ASSERT_DEBUG(iContext.iNodeActivity, CoreMCprPanic(KPanicNoActivity)); |
|
811 iContext.iNodeActivity->PostToOriginators(TCFMcpr::TReConnectComplete().CRef()); |
|
812 } |
|
813 |
|
814 |
|
815 // |
|
816 //CAvailabilityActivity |
|
817 MeshMachine::CNodeActivityBase* CAvailabilityActivity::NewL(const MeshMachine::TNodeActivity& aActivitySig, MeshMachine::AMMNodeBase& aNode) |
|
818 { |
|
819 return new (ELeave) CAvailabilityActivity(aActivitySig, aNode); |
|
820 } |
|
821 |
|
822 CAvailabilityActivity::~CAvailabilityActivity() |
|
823 { |
|
824 static_cast<CCoreMetaConnectionProvider&>(iNode).CancelAvailabilityMonitoring(); |
|
825 |
|
826 //Unmark all remaining availability providers |
|
827 TClientIter<TFlagsOnlyClientMatchPolicy> iter = iNode.GetClientIter<TFlagsOnlyClientMatchPolicy>(TClientType(0, TCFClientType::EAvailabilityProvider)); |
|
828 RNodeInterface* provider = iter++; |
|
829 while (provider) |
|
830 { |
|
831 provider->ClearFlags(TCFClientType::EAvailabilityProvider); |
|
832 provider = static_cast<RNodeAvailabilityProviderInterface*>(iter++); |
|
833 } |
|
834 } |
|
835 |
|
836 void CAvailabilityActivity::StartL(TNodeContextBase& aContext, const Messages::XNodePeerId& aOriginator, const TStateTriple& aFirst) |
|
837 { |
|
838 TCFAvailabilityProvider::TAvailabilityNotificationRegistration& msg = |
|
839 message_cast<TCFAvailabilityProvider::TAvailabilityNotificationRegistration>(aContext.iMessage); |
|
840 |
|
841 CSubscriberInfo* info = new (ELeave) CSubscriberInfo; |
|
842 const_cast<Messages::XNodePeerId&>(aOriginator).iInfo = info; |
|
843 info->SetSubscriptionOptions(msg.iAvailabilitySubscriptionOptions); |
|
844 CleanupStack::PushL(info); |
|
845 MeshMachine::CNodeActivityBase::StartL(aContext, aOriginator, aFirst); |
|
846 CleanupStack::Pop(info); |
|
847 |
|
848 if (IsAvailabilityKnown()) |
|
849 { |
|
850 info->SetReportedStatus(iCurrentAvailabilityStatus); |
|
851 aContext.PostToSender(TCFAvailabilityControlClient::TAvailabilityNotification(iCurrentAvailabilityStatus).CRef()); |
|
852 } |
|
853 } |
|
854 |
|
855 void CAvailabilityActivity::Cancel(TNodeContextBase& aContext) |
|
856 { |
|
857 //Post TCancel to all availability providers |
|
858 iNode.PostToClients<TFlagsOnlyClientMatchPolicy>(TNodeCtxId(ActivityId(), iNode.Id()), TEBase::TCancel().CRef(), |
|
859 TClientType(0, TCFClientType::EAvailabilityProvider)); |
|
860 MeshMachine::CNodeActivityBase::Cancel(aContext); |
|
861 } |
|
862 |
|
863 void CAvailabilityActivity::CalculateCurrentAvailabilityStatus() |
|
864 { |
|
865 iCurrentAvailabilityStatus.SetUnknown(); |
|
866 TClientIter<TFlagsOnlyClientMatchPolicy> iter = iNode.GetClientIter<TFlagsOnlyClientMatchPolicy>(TClientType(0, TCFClientType::EAvailabilityProvider)); |
|
867 RNodeAvailabilityProviderInterface* provider = static_cast<RNodeAvailabilityProviderInterface*>(iter++); |
|
868 __ASSERT_DEBUG(provider, User::Panic(KSpecAssert_ESockCoreProvcprac, 26)); //There must be at least availability provider registered at this stage (or there are no originators == this activity should not run) |
|
869 while (provider) |
|
870 { |
|
871 __ASSERT_DEBUG(provider->Type()&(TCFClientType::EServProvider|TClientType::ERegistrar), User::Panic(KSpecAssert_ESockCoreProvcprac, 27)); |
|
872 const TAvailabilityStatus& availabilityStatus = provider->AvailabilityStatus(); |
|
873 if (!availabilityStatus.IsKnown()) |
|
874 { |
|
875 //If the immediate response from any of the remaining providers is still in transport, |
|
876 //set the whole as unknown. |
|
877 iCurrentAvailabilityStatus.SetUnknown(); |
|
878 return; |
|
879 } |
|
880 else if (availabilityStatus.Score() > iCurrentAvailabilityStatus.Score()) |
|
881 { |
|
882 iCurrentAvailabilityStatus.SetScore(availabilityStatus.Score()); |
|
883 } |
|
884 provider = static_cast<RNodeAvailabilityProviderInterface*>(iter++); |
|
885 } |
|
886 } |
|
887 |
|
888 TBool CAvailabilityActivity::IsAvailabilityKnown() const |
|
889 { |
|
890 return iCurrentAvailabilityStatus.IsKnown(); |
|
891 } |
|
892 |
|
893 void CAvailabilityActivity::NotifyInterestedSubscribers() |
|
894 { |
|
895 __ASSERT_DEBUG(IsAvailabilityKnown(), User::Panic(KSpecAssert_ESockCoreProvcprac, 28)); //Use only with known availability! |
|
896 TCFAvailabilityControlClient::TAvailabilityNotification msg(iCurrentAvailabilityStatus); //KActivityNull will be overriden |
|
897 |
|
898 for (TInt i = iOriginators.Count() - 1; i >= 0; --i) |
|
899 { |
|
900 XNodePeerId& originator = iOriginators[i]; |
|
901 CSubscriberInfo* info = static_cast<CSubscriberInfo*>(originator.iInfo); |
|
902 __ASSERT_DEBUG(info, User::Panic(KSpecAssert_ESockCoreProvcprac, 29)); |
|
903 |
|
904 if (!info->ReportedStatus().IsKnown() |
|
905 || info->SubscriptionOptions().IsChangeSignificant(info->ReportedStatus(), iCurrentAvailabilityStatus)) |
|
906 { |
|
907 info->SetReportedStatus(iCurrentAvailabilityStatus); |
|
908 originator.PostMessage(TNodeCtxId(ActivityId(), iNode.Id()), msg); |
|
909 } |
|
910 } |
|
911 } |
|
912 |
|
913 void CAvailabilityActivity::RegisterForNotifications(TClientIterBase& aClientIter) const |
|
914 { |
|
915 RNodeAvailabilityProviderInterface* provider = static_cast<RNodeAvailabilityProviderInterface*>(aClientIter++); |
|
916 |
|
917 //We can ignore the fact that tere is no service providers we can register with, provided |
|
918 //the node has ensured there are some other availability providers! |
|
919 //If there are no service nor other availability providers the condition is serious. |
|
920 //__ASSERT_ALWAYS is required as the verified conditions are of a run time nature |
|
921 __ASSERT_ALWAYS(provider!=NULL || iNode.CountClients<TFlagsOnlyClientMatchPolicy>(TClientType(0, TCFClientType::EAvailabilityProvider))>0, |
|
922 CoreMCprPanic(KPanicNoAvailabilityProvider)); |
|
923 |
|
924 TAvailabilitySubscriptionOptions subscriptionOptions; //By default register for all notifications - may need to be modified in the future |
|
925 TCFAvailabilityProvider::TAvailabilityNotificationRegistration msg(subscriptionOptions); |
|
926 |
|
927 //Iterate through service providers if any, setting EAvailabilityProvider flags |
|
928 while (provider) |
|
929 { |
|
930 provider->SetFlags(TCFClientType::EAvailabilityProvider); |
|
931 provider->PostMessage(TNodeCtxId(ActivityId(), iNode.Id()), msg); |
|
932 provider = static_cast<RNodeAvailabilityProviderInterface*>(aClientIter++); |
|
933 } |
|
934 } |
|
935 |
|
936 DEFINE_SMELEMENT(CAvailabilityActivity::TRegisterForNotifications, NetStateMachine::MStateTransition, CAvailabilityActivity::TContext) |
|
937 void CAvailabilityActivity::TRegisterForNotifications::DoL() |
|
938 { |
|
939 __ASSERT_DEBUG(iContext.iNodeActivity, CoreMCprPanic(KPanicNoActivity)); |
|
940 CAvailabilityActivity& activity = static_cast<CAvailabilityActivity&>(*iContext.iNodeActivity); |
|
941 |
|
942 //Start monitoring on the node if necessary |
|
943 iContext.Node().StartAvailabilityMonitoringL(TNodeCtxId(iContext.ActivityId(), iContext.NodeId())); |
|
944 |
|
945 TClientIter<TDefaultClientMatchPolicy> iter = iContext.Node().GetClientIter<TDefaultClientMatchPolicy>(TClientType(TCFClientType::EServProvider)); |
|
946 activity.RegisterForNotifications(iter); |
|
947 } |
|
948 |
|
949 DEFINE_SMELEMENT(CAvailabilityActivity::TProcessNotification, NetStateMachine::MStateTransition, CAvailabilityActivity::TContext) |
|
950 void CAvailabilityActivity::TProcessNotification::DoL() |
|
951 { |
|
952 __ASSERT_DEBUG(iContext.iNodeActivity, CoreMCprPanic(KPanicNoActivity)); |
|
953 CAvailabilityActivity& activity = static_cast<CAvailabilityActivity&>(*iContext.iNodeActivity); |
|
954 |
|
955 //Register with any new service providers (if any) == not with EAvailabilityProvider(s) |
|
956 TClientIter<TDefaultClientMatchPolicy> iter = iContext.Node().GetClientIter<TDefaultClientMatchPolicy>(TClientType(TCFClientType::EServProvider), TClientType(0, TCFClientType::EAvailabilityProvider)); |
|
957 activity.RegisterForNotifications(iter); |
|
958 |
|
959 //Now the iPeer must be set (and we need to have the RNodeAvailabilityProviderInterface behind it) |
|
960 __ASSERT_DEBUG(iContext.iPeer, User::Panic(KSpecAssert_ESockCoreProvcprac, 30)); |
|
961 TCFAvailabilityControlClient::TAvailabilityNotification& msg = message_cast<TCFAvailabilityControlClient::TAvailabilityNotification>(iContext.iMessage); |
|
962 |
|
963 //RNodeAvailabilityProviderInterface stores information (on this node) about the availability provider |
|
964 RNodeAvailabilityProviderInterface* provider = static_cast<RNodeAvailabilityProviderInterface*>(iContext.iPeer); |
|
965 __ASSERT_DEBUG(provider->Flags()&TCFClientType::EAvailabilityProvider, User::Panic(KSpecAssert_ESockCoreProvcprac, 31)); |
|
966 provider->SetAvailabilityStatus(msg.iAvailabilityStatus); |
|
967 |
|
968 //Compute the overal availability and report if known already |
|
969 activity.CalculateCurrentAvailabilityStatus(); |
|
970 if (activity.IsAvailabilityKnown()) |
|
971 { |
|
972 activity.NotifyInterestedSubscribers(); |
|
973 } |
|
974 } |
|
975 |