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1 // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // PPP SCpr |
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15 // |
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16 // |
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17 |
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18 /** |
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19 @file |
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20 @internalComponent |
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21 */ |
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22 |
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23 |
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24 #include <comms-infras/linkmessages.h> |
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25 #include <comms-infras/nifif.h> |
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26 #include "pppscpr.h" |
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27 #include "pppmessages.h" |
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28 #include "CAgentAdapter.h" |
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29 |
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30 #include <elements/sd_mintercept.h> |
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31 |
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32 using namespace Messages; |
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33 using namespace ESock; |
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34 using namespace MeshMachine; |
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35 |
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36 #ifdef __CFLOG_ACTIVE |
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37 #define KPppSCprTag KESockSubConnectionTag |
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38 _LIT8(KPppSCprSubTag, "pppscpr"); |
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39 #endif |
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40 |
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41 //We reserve space for two preallocated activities that may start concurrently on the SCPR |
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42 //node: destroy and data client stop. |
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43 static const TUint KDefaultMaxPreallocatedActivityCount = 2; |
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44 static const TUint KMaxPreallocatedActivitySize = sizeof(MeshMachine::CNodeRetryParallelActivity) + sizeof(MeshMachine::APreallocatedOriginators<4>); |
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45 static const TUint KPPPSCPRPreallocatedActivityBufferSize = KDefaultMaxPreallocatedActivityCount * KMaxPreallocatedActivitySize; |
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46 |
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47 namespace PppSCprStates |
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48 { |
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49 |
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50 |
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51 DEFINE_SMELEMENT(TAwaitingPppLinkStatusChange, NetStateMachine::MState, PppSCprStates::TContext) |
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52 TBool TAwaitingPppLinkStatusChange::Accept() |
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53 { |
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54 return iContext.iMessage.IsMessage<TPPPMessage::TPppLinkExpectingCallback>(); |
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55 } |
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56 |
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57 DEFINE_SMELEMENT(TProcessPppLinkStatusChange, NetStateMachine::MStateTransition, PppSCprStates::TContext) |
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58 void TProcessPppLinkStatusChange::DoL() |
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59 { |
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60 |
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61 /* ------------------------------------------------------ |
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62 * Logic from Nifman's CNifAgentRef::LinkLayerDown |
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63 * ------------------------------------------------------ |
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64 * iState is the state held in the CAgentAdapter |
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65 * |
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66 * iState = EConnecting; |
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67 * iConnectType=EAgentStartCallBack; |
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68 * iAgent->Connect(iConnectType); |
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69 */ |
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70 |
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71 iContext.Node().NotificationToAgent (EFlowToAgentEventTypeLinkLayerDown, NULL); |
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72 iContext.Node().ConnectAgent(EAgentStartCallBack); |
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73 } |
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74 |
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75 } // namespace PppSCprStates |
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76 |
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77 |
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78 |
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79 |
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80 |
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81 namespace PppSCprLinkStatusChangeActivity |
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82 { |
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83 DECLARE_DEFINE_NODEACTIVITY(ECFPppLinkStatusChangeActivity, PppLinkStatusChange, TPPPMessage::TPppLinkExpectingCallback) |
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84 FIRST_NODEACTIVITY_ENTRY(PppSCprStates::TAwaitingPppLinkStatusChange, MeshMachine::TNoTag) |
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85 LAST_NODEACTIVITY_ENTRY(KNoTag, PppSCprStates::TProcessPppLinkStatusChange) |
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86 NODEACTIVITY_END() |
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87 } |
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88 |
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89 |
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90 // PPP Activity Map |
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91 namespace PppSCprActivities |
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92 { |
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93 DECLARE_DEFINE_ACTIVITY_MAP(pppSCprActivities) |
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94 ACTIVITY_MAP_ENTRY(PppSCprLinkStatusChangeActivity, PppLinkStatusChange) |
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95 ACTIVITY_MAP_END_BASE(AgentSCprActivities, agentSCprActivities) |
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96 } |
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97 |
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98 |
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99 // Basic constructor passing in an alternative activity map for the AgentSCpr |
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100 CPppSubConnectionProvider* CPppSubConnectionProvider::NewL(ESock::CSubConnectionProviderFactoryBase& aFactory) |
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101 { |
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102 CPppSubConnectionProvider* self = new (ELeave) CPppSubConnectionProvider(aFactory, PppSCprActivities::pppSCprActivities::Self()); |
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103 CleanupStack::PushL(self); |
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104 self->ConstructL(KPPPSCPRPreallocatedActivityBufferSize); |
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105 CleanupStack::Pop(); |
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106 return self; |
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107 } |
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108 |
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109 |
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110 // C'tor |
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111 CPppSubConnectionProvider::CPppSubConnectionProvider(ESock::CSubConnectionProviderFactoryBase& aFactory, |
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112 const MeshMachine::TNodeActivityMap& aActivityMap) |
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113 : CAgentSubConnectionProvider(aFactory, aActivityMap) |
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114 { |
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115 // NOTE: We don't do a LOG_CREATE_NODE here because its already being done by |
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116 // the base class. This class doesn't add anything and only overrides the activity |
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117 // map. So for all intents and purposes this is still just an AgentSCpr. |
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118 } |
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119 |
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120 |
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121 |
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122 |