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1 // Copyright (c) 1997-2009 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 <comms-infras/ss_log.h> |
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17 #include <comms-infras/ss_coreprstates.h> |
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18 #include "ss_flowrequest.h" |
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19 #include "ss_flowrequeststates.h" |
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20 #include <comms-infras/ss_mcprnodemessages.h> |
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21 #include <cs_subconparams.h> |
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22 #include <comms-infras/ss_nodemessages_dataclient.h> |
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23 #include <comms-infras/ss_nodemessages_internal_esock.h> |
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24 #include <comms-infras/ss_nodemessages_serviceprovider.h> |
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25 #include <comms-infras/ss_nodemessages_selector.h> |
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26 #include <elements/nm_messages_peer.h> |
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27 |
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28 #include <comms-infras/ss_protocolparameterset.h> |
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29 |
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30 |
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31 #ifdef _DEBUG |
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32 // Panic category for "absolutely impossible!" vanilla ASSERT()-type panics from this module |
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33 // (if it could happen through user error then you should give it an explicit, documented, category + code) |
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34 _LIT(KSpecAssert_ESockSSockFlwRqS, "ESockSSockFlwRqS"); |
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35 #endif |
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36 |
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37 using namespace ESock; |
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38 using namespace CorePanics; |
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39 using namespace FlowRequestStates; |
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40 using namespace Messages; |
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41 using namespace MeshMachine; |
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42 |
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43 #ifdef _DEBUG |
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44 _LIT (KCFlowRequestPanic,"FlowRequestPanic"); |
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45 #endif |
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46 |
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47 // |
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48 //Implicit and common |
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49 DEFINE_SMELEMENT(FlowRequestStates::TAwaitingImplicitFlowRequest, NetStateMachine::MState, FlowRequestStates::TContext) |
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50 TBool FlowRequestStates::TAwaitingImplicitFlowRequest::Accept() |
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51 { |
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52 TCFInternalEsock::TFlowRequest* flowReqMsg = message_cast<TCFInternalEsock::TFlowRequest>(&iContext.iMessage); |
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53 return flowReqMsg && flowReqMsg->iFlowParams.iFlowRequestType == TFlowParams::EImplicit; |
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54 } |
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55 |
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56 DEFINE_SMELEMENT(FlowRequestStates::TAwaitingConnFlowRequest, NetStateMachine::MState, FlowRequestStates::TContext) |
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57 TBool FlowRequestStates::TAwaitingConnFlowRequest::Accept() |
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58 { |
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59 TCFInternalEsock::TFlowRequest* flowReqMsg = message_cast<TCFInternalEsock::TFlowRequest>(&iContext.iMessage); |
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60 return flowReqMsg && flowReqMsg->iFlowParams.iFlowRequestType == TFlowParams::EExplicitConnection; |
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61 } |
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62 |
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63 DEFINE_SMELEMENT(FlowRequestStates::TAwaitingSubConnFlowRequest, NetStateMachine::MState, FlowRequestStates::TContext) |
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64 TBool FlowRequestStates::TAwaitingSubConnFlowRequest::Accept() |
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65 { |
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66 TCFInternalEsock::TFlowRequest* flowReqMsg = message_cast<TCFInternalEsock::TFlowRequest>(&iContext.iMessage); |
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67 return flowReqMsg && flowReqMsg->iFlowParams.iFlowRequestType == TFlowParams::EExplicitSubConnection; |
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68 } |
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69 |
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70 DEFINE_SMELEMENT(FlowRequestStates::TRequestCSRCreation, NetStateMachine::MStateTransition, FlowRequestStates::TImplicitContext) |
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71 void FlowRequestStates::TRequestCSRCreation::DoL() |
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72 { |
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73 //const TImplicitContext& ctx = iContext; |
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74 __ASSERT_DEBUG(iContext.iNodeActivity, User::Panic(KCFlowRequestPanic, KPanicNoActivity)); |
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75 __ASSERT_DEBUG(iContext.Node().iCSR.IsNull(), User::Panic(KCFlowRequestPanic, KPanicExpectedNoCSR)); |
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76 iContext.iNodeActivity->PostRequestTo(iContext.Node().iTierManagerFC, |
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77 TCFInternalEsock::TCreateCSR(iContext.Node().iTierId).CRef(), EFalse); |
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78 } |
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79 |
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80 DEFINE_SMELEMENT(FlowRequestStates::TSelectMetaPlane, NetStateMachine::MStateTransition, FlowRequestStates::TImplicitContext) |
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81 void FlowRequestStates::TSelectMetaPlane::DoL() |
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82 { |
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83 __ASSERT_DEBUG(iContext.iNodeActivity, User::Panic(KCFlowRequestPanic, KPanicNoActivity)); |
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84 __ASSERT_DEBUG(iContext.Node().iCSR.IsNull(), User::Panic(KCFlowRequestPanic, KPanicExpectedNoCSR)); |
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85 iContext.Node().iCSR = message_cast<TCFInternalEsock::TCSRCreated>(iContext.iMessage).iNodeId; |
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86 __ASSERT_DEBUG(!iContext.Node().iCSR.IsNull(), User::Panic(KCFlowRequestPanic, KPanicNoCSR)); |
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87 TSelectionPrefs prefs(TSelectionPrefs::ERequestCommsBinder); //Always get the same default connection (legacy -> on IpProto layer) |
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88 iContext.iNodeActivity->PostRequestTo(iContext.Node().iCSR, TCFSelector::TSimpleSelect(prefs).CRef()); |
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89 } |
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90 |
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91 DEFINE_SMELEMENT(FlowRequestStates::TJoinReceivedSCpr, NetStateMachine::MStateTransition, FlowRequestStates::TImplicitContext) |
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92 void FlowRequestStates::TJoinReceivedSCpr::DoL() |
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93 { |
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94 __ASSERT_DEBUG(iContext.iNodeActivity, User::Panic(KCFlowRequestPanic, KPanicNoActivity)); |
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95 __ASSERT_DEBUG(iContext.iPeer == iContext.Node().ServiceProvider(), User::Panic(KCFlowRequestPanic, KPanicExpectedNoServiceProvider)); |
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96 |
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97 TCFServiceProvider::TCommsBinderResponse& br = message_cast<TCFServiceProvider::TCommsBinderResponse>(iContext.iMessage); |
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98 |
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99 iContext.Node().AddClientL(br.iNodeId, TClientType(TCFClientType::EServProvider, TCFClientType::EDefault)); |
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100 iContext.iNodeActivity->PostRequestTo(br.iNodeId, TCFServiceProvider::TJoinRequest(iContext.NodeId(), |
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101 TClientType(TCFClientType::ECtrl)).CRef()); |
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102 } |
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103 |
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104 DEFINE_SMELEMENT(FlowRequestStates::TRequestCommsBinderFromSCpr, NetStateMachine::MStateTransition, FlowRequestStates::TContext) |
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105 void FlowRequestStates::TRequestCommsBinderFromSCpr::DoL() |
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106 { |
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107 __ASSERT_DEBUG(iContext.iNodeActivity, User::Panic(KCFlowRequestPanic, KPanicNoActivity)); |
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108 RNodeInterface* scpr = iContext.Node().GetFirstClient<TDefaultClientMatchPolicy>(TClientType(TCFClientType::EServProvider, TCFClientType::EDefault)); |
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109 |
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110 __ASSERT_DEBUG(scpr, User::Panic(KCFlowRequestPanic, KPanicNoServiceProvider)); |
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111 iContext.iNodeActivity->PostRequestTo(*scpr, TCFServiceProvider::TCommsBinderRequest(TSubConnOpen::ECreateNew, iContext.Node().iFlowParameters).CRef()); |
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112 } |
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113 |
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114 DEFINE_SMELEMENT(FlowRequestStates::TRemoveRequestor, NetStateMachine::MStateTransition, FlowRequestStates::TContext) |
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115 void FlowRequestStates::TRemoveRequestor::DoL() |
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116 { |
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117 __ASSERT_DEBUG(iContext.iNodeActivity, User::Panic(KCFlowRequestPanic, KPanicNoActivity)); |
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118 iContext.iNodeActivity->RemoveOriginator(0); |
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119 //Remove the orignator client added to the list |
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120 RNodeInterface* requestor = iContext.Node().GetFirstClient<TDefaultClientMatchPolicy>(TClientType(TCFClientType::ECtrl)); |
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121 if(requestor) |
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122 { |
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123 //TODO bug fix 1245412 DEF122892 cant be applied - investigate 1221893 & 1245412 & te_rsubconnectionsuite.script crashes TInt atFound = iContext.Activity()->FindOriginator(*requestor); |
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124 iContext.Node().RemoveClient(requestor->RecipientId(), iContext); |
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125 //TODO bug fix cant be applied - investigate if(atFound != KErrNotFound) |
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126 // { |
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127 // iContext.Activity()->RemoveOriginator(atFound); |
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128 // } |
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129 } |
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130 } |
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131 |
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132 DEFINE_SMELEMENT(FlowRequestActivities::CFlowRequestActivity::TStoreFlowParams, NetStateMachine::MStateTransition, TContext) |
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133 void FlowRequestActivities::CFlowRequestActivity::TStoreFlowParams::DoL() |
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134 { |
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135 // Make sure we are being executed in the context of a node that has an activity running |
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136 __ASSERT_DEBUG(iContext.iNodeActivity, User::Panic(KCFlowRequestPanic, KPanicNoActivity)); |
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137 |
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138 // Fetch our message and create a bundle of flow parameters from it |
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139 TCFInternalEsock::TFlowRequest& flowRequestMessage = message_cast<TCFInternalEsock::TFlowRequest>(iContext.iMessage); |
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140 |
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141 CFlowRequestParameters* params = CFlowRequestParameters::NewL(); |
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142 CleanupStack::PushL(params); |
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143 params->SetFlowParams(flowRequestMessage.iFlowParams); |
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144 |
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145 RCFParameterFamilyBundle bundle; |
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146 bundle.CreateL(); |
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147 CleanupClosePushL(bundle); |
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148 RParameterFamily family = bundle.CreateFamilyL(KFlowParametersFamily); |
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149 |
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150 family.AddParameterSetL (params, RParameterFamily::ERequested); |
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151 |
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152 // Save the flow parameter bundle in the activity |
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153 __ASSERT_DEBUG(iContext.Node().iFlowParameters.IsNull(), User::Panic(KSpecAssert_ESockSSockFlwRqS, 1)); |
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154 iContext.Node().iFlowParameters.Open(bundle); |
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155 |
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156 // Cleanup |
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157 CleanupStack::Pop(&bundle); |
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158 CleanupStack::Pop(params); |
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159 } |
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160 |
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161 |
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162 DEFINE_SMELEMENT(FlowRequestStates::TSendNoBearer, NetStateMachine::MStateTransition, FlowRequestStates::TContext) |
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163 void FlowRequestStates::TSendNoBearer::DoL() |
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164 { |
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165 // Make sure we are being executed in the context of a node that has an activity running |
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166 __ASSERT_DEBUG(iContext.iNodeActivity, User::Panic(KCFlowRequestPanic, KPanicNoActivity)); |
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167 |
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168 // Fetch the subconnection. It has been designated as our control provider |
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169 RNodeInterface* subconn = iContext.Node().GetFirstClient<TDefaultClientMatchPolicy>( |
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170 TClientType(TCFClientType::ECtrlProvider, TCFClientType::EDefault)); |
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171 |
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172 __ASSERT_DEBUG(subconn != NULL, User::Panic(KCFlowRequestPanic, KPanicNoControlProvider)); |
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173 |
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174 // Send TNoBearer to the subconnection |
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175 iContext.iNodeActivity->PostRequestTo(*subconn, |
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176 TCFControlProvider::TNoBearer(iContext.Node().iFlowParameters).CRef()); |
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177 } |
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178 |
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179 |
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180 DEFINE_SMELEMENT(FlowRequestStates::TJoinSubConnection, NetStateMachine::MStateTransition, FlowRequestStates::TContext) |
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181 void FlowRequestStates::TJoinSubConnection::DoL() |
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182 { |
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183 // Make sure we are being executed in the context of a node that has an activity running |
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184 __ASSERT_DEBUG(iContext.iNodeActivity, User::Panic(KCFlowRequestPanic, KPanicNoActivity)); |
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185 |
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186 // Fetch the subconnection. It has been designated as our control provider |
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187 RNodeInterface* subconn = iContext.Node().GetFirstClient<TDefaultClientMatchPolicy>( |
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188 TClientType(TCFClientType::ECtrlProvider, TCFClientType::EDefault)); |
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189 |
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190 __ASSERT_DEBUG(subconn != NULL, User::Panic(KCFlowRequestPanic, KPanicNoControlProvider)); |
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191 |
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192 // Join the subconnection |
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193 iContext.iNodeActivity->PostRequestTo(*subconn, |
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194 TCFPeer::TJoinRequest( |
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195 iContext.Node().Id(), TClientType(TCFClientType::EData)).CRef()); |
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196 } |
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197 |
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198 DEFINE_SMELEMENT(FlowRequestStates::TLeaveSubConnection, NetStateMachine::MStateTransition, FlowRequestStates::TContext) |
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199 void FlowRequestStates::TLeaveSubConnection::DoL() |
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200 { |
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201 // Make sure we are being executed in the context of a node that has an activity running |
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202 __ASSERT_DEBUG(iContext.iNodeActivity, User::Panic(KCFlowRequestPanic, KPanicNoActivity)); |
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203 |
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204 // Fetch the subconnection. Its our control provider and must be present |
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205 RNodeInterface* subconn = iContext.Node().GetFirstClient<TDefaultClientMatchPolicy>( |
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206 TClientType(TCFClientType::ECtrlProvider, TCFClientType::EDefault)); |
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207 __ASSERT_DEBUG(subconn != NULL, User::Panic(KCFlowRequestPanic, KPanicNoControlProvider)); |
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208 |
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209 // Send the leave request to our subconnection |
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210 iContext.iNodeActivity->PostRequestTo(*subconn, TEPeer::TLeaveRequest().CRef()); |
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211 subconn->SetFlags(TCFClientType::ELeaving); |
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212 } |
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213 |
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214 |
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215 DEFINE_SMELEMENT(FlowRequestStates::TForwardBindToMsgToOriginator, NetStateMachine::MStateTransition, FlowRequestStates::TContext) |
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216 void FlowRequestStates::TForwardBindToMsgToOriginator::DoL() |
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217 { |
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218 //This is assumed to be executed as a direct response to TCommsBinderResponse |
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219 __ASSERT_DEBUG(iContext.iNodeActivity, User::Panic(KCFlowRequestPanic, KPanicNoActivity)); |
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220 |
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221 // Create and send the comms binder from the incoming one |
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222 TCFDataClient::TBindTo& incomingBindTo = message_cast<TCFDataClient::TBindTo>(iContext.iMessage); |
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223 iContext.iNodeActivity->PostToOriginators(TCFDataClient::TBindTo(incomingBindTo.iNodeId).CRef()); |
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224 iContext.iNodeActivity->ClearPostedTo(); |
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225 } |
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226 |
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227 // |
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228 //Cpr specific |
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229 DEFINE_SMELEMENT(FlowRequestStates::TJoinCpr, NetStateMachine::MStateTransition, FlowRequestStates::TContext) |
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230 void FlowRequestStates::TJoinCpr::DoL() |
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231 { |
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232 __ASSERT_DEBUG(iContext.iNodeActivity, User::Panic(KCFlowRequestPanic, KPanicNoActivity)); |
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233 RNodeInterface* cpr = iContext.Node().GetFirstClient<TDefaultClientMatchPolicy>(TClientType(TCFClientType::EServProvider)); |
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234 |
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235 //The sc has been already added |
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236 __ASSERT_DEBUG(cpr != NULL, User::Panic(KCFlowRequestPanic, KPanicNoServiceProvider)); |
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237 |
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238 //Join the service provider |
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239 iContext.iNodeActivity->PostRequestTo(*cpr, TCFServiceProvider::TJoinRequest(iContext.NodeId(), TClientType(TCFClientType::ECtrl)).CRef()); |
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240 } |
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241 |
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242 // |
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243 //SCpr specific |
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244 DEFINE_SMELEMENT(FlowRequestStates::TJoinSCpr, NetStateMachine::MStateTransition, FlowRequestStates::TContext) |
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245 void FlowRequestStates::TJoinSCpr::DoL() |
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246 { |
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247 __ASSERT_DEBUG(iContext.iNodeActivity, User::Panic(KCFlowRequestPanic, KPanicNoActivity)); |
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248 RNodeInterface* scpr = iContext.Node().GetFirstClient<TDefaultClientMatchPolicy>(TClientType(TCFClientType::EServProvider, TCFClientType::EDefault)); |
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249 |
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250 //The sc has been already added |
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251 __ASSERT_DEBUG(scpr != NULL, User::Panic(KCFlowRequestPanic, KPanicNoServiceProvider)); |
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252 |
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253 //Join the service provider |
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254 iContext.iNodeActivity->PostRequestTo(*scpr, TCFServiceProvider::TJoinRequest(iContext.NodeId(), TClientType(TCFClientType::ECtrl)).CRef()); |
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255 } |
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256 |
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257 |