author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 31 Aug 2010 16:45:15 +0300 | |
branch | RCL_3 |
changeset 57 | abbed5a4b42a |
parent 53 | 7e41d162e158 |
child 58 | 8d540f55e491 |
permissions | -rw-r--r-- |
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// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies). |
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// All rights reserved. |
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// This component and the accompanying materials are made available |
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// under the terms of "Eclipse Public License v1.0" |
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// which accompanies this distribution, and is available |
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// at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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// |
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// Initial Contributors: |
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// Nokia Corporation - initial contribution. |
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// |
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// Contributors: |
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// |
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// Description: |
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// IP Connection Provider state definitions. |
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// |
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// |
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/** |
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@file |
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@internalComponent |
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*/ |
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#define SYMBIAN_NETWORKING_UPS |
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#include "IPCpr.h" |
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#include "ipcpr_states.h" |
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#include "IPMessages.h" |
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#include <comms-infras/ss_nodemessages.h> |
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#include <comms-infras/ss_nodemessages_internal_esock.h> |
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#include <comms-infras/ss_datamonitoringprovider.h> |
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#ifdef SYMBIAN_ADAPTIVE_TCP_RECEIVE_WINDOW |
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#include <comms-infras/ss_nodemessages_scpr.h> |
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#include <tcprecvwin.h> |
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#include <cs_genevent.h> |
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#include <comms-infras/ss_protopt.h> |
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#include <in_sock.h> |
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#endif //SYMBIAN_ADAPTIVE_TCP_RECEIVE_WINDOW |
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using namespace Messages; |
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using namespace MeshMachine; |
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using namespace ESock; |
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using namespace IpCprActivities; |
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using namespace IpCprStates; |
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#ifdef SYMBIAN_ADAPTIVE_TCP_RECEIVE_WINDOW |
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using namespace TcpAdaptiveReceiveWindow; |
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#endif //SYMBIAN_ADAPTIVE_TCP_RECEIVE_WINDOW |
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const TInt KNifEMCompatibilityLayerEntireSubConnectionUid = 0; |
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const TInt KNifEMCompatibilityLayerFakeSubConnectionId = 1; |
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DEFINE_SMELEMENT( TAwaitingPolicyParams, NetStateMachine::MState, IpCprStates::TContext) |
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TBool IpCprStates::TAwaitingPolicyParams::Accept() |
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{ |
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return iContext.iMessage.IsMessage<TCFIPMessage::TPolicyParams>(); |
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} |
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/** |
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Security policies |
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*/ |
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_LIT_SECURITY_POLICY_C1(KIpCprStopSecurityPolicy, ECapabilityNetworkControl); |
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/** |
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IpCpr Stop capability check transition |
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*/ |
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DEFINE_SMELEMENT( TCheckStopCapabilities, NetStateMachine::MStateTransition, IpCprStates::TContext) |
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void IpCprStates::TCheckStopCapabilities::DoL() |
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{ |
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MPlatsecApiExt* platsec = reinterpret_cast<MPlatsecApiExt*>(address_cast<TNodeId>(iContext.iSender).Node().FetchNodeInterfaceL(MPlatsecApiExt::KInterfaceId)); |
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TInt err = platsec->CheckPolicy(KIpCprStopSecurityPolicy); |
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User::LeaveIfError(err); |
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} |
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/** |
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*/ |
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DEFINE_SMELEMENT( TSendPolicyParams, NetStateMachine::MStateTransition, IpCprStates::TContext) |
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void IpCprStates::TSendPolicyParams::DoL() |
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{ |
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TCFIPMessage::TPolicyParams& policyParams = message_cast<TCFIPMessage::TPolicyParams>(iContext.iMessage); |
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// change originator to current ipcpr |
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// policyParams.iSender = iContext.Node()(); |
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RNodeInterface* ctrlProvider = iContext.Node().ControlProvider(); |
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if(ctrlProvider) |
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{ |
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ctrlProvider->PostMessage(iContext.NodeId(), policyParams); |
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} |
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else |
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{ |
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User::Leave(KErrCorrupt); |
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} |
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} |
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DEFINE_SMELEMENT( TAwaitingSubConnDataTransferred, NetStateMachine::MState, IpCprStates::TContext) |
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TBool IpCprStates::TAwaitingSubConnDataTransferred::Accept() |
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{ |
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return(iContext.iMessage.IsMessage<TCFMessage::TSubConnDataTransferred>()); |
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} |
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DEFINE_SMELEMENT( TProcessSubConnDataTransferred, NetStateMachine::MStateTransition, IpCprStates::TContext) |
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void IpCprStates::TProcessSubConnDataTransferred::DoL() |
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106 |
{ |
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TCFMessage::TSubConnDataTransferred& msg = message_cast<TCFMessage::TSubConnDataTransferred>(iContext.iMessage); |
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108 |
|
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RNodeInterface* ctrlClient = iContext.Node().GetFirstClient<TDefaultClientMatchPolicy>(TClientType(TCFClientType::ECtrl)); |
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if(ctrlClient) // Ditch the notifications if there's no one to send to. |
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111 |
{ |
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TTime now; |
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now.UniversalTime(); |
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114 |
|
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if(msg.iValue1 == KNifEMCompatibilityLayerEntireSubConnectionUid) |
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116 |
{ |
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TSubConnectionClosedEvent wholeConnEvent; |
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wholeConnEvent.iSubConnectionUniqueId = KNifEMCompatibilityLayerEntireSubConnectionUid ; |
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wholeConnEvent.iTotalUplinkDataVolume = msg.iValue2; |
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wholeConnEvent.iTotalDownlinkDataVolume = msg.iValue3; |
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wholeConnEvent.iTimeClosed = now; |
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TCFInternalEsock::TSubConnectionClosedEvent wholeConnMsg(wholeConnEvent); |
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ctrlClient->PostMessage(iContext.NodeId(), wholeConnMsg); |
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} |
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125 |
else |
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126 |
{ |
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TSubConnectionClosedEvent defaultSubConnEvent; |
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defaultSubConnEvent.iSubConnectionUniqueId = KNifEMCompatibilityLayerEntireSubConnectionUid; |
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defaultSubConnEvent.iTotalUplinkDataVolume = msg.iValue2; |
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defaultSubConnEvent.iTotalDownlinkDataVolume = msg.iValue3; |
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defaultSubConnEvent.iTimeClosed = now; |
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TCFInternalEsock::TSubConnectionClosedEvent subConnMsg(defaultSubConnEvent); |
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ctrlClient->PostMessage(iContext.NodeId(), subConnMsg); |
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134 |
} |
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135 |
} |
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136 |
} |
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137 |
|
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138 |
|
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DEFINE_SMELEMENT( TSendInitialSubConnectionOpenedEvent, NetStateMachine::MStateTransition, IpCprStates::TContext) |
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void IpCprStates::TSendInitialSubConnectionOpenedEvent::DoL() |
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141 |
{ |
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RNodeInterface* ctrlClient = iContext.Node().GetFirstClient<TDefaultClientMatchPolicy>(TClientType(TCFClientType::ECtrl)); |
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if(ctrlClient) // Ditch the notifications if there's no one to send to. |
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144 |
{ |
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TSubConnectionOpenedEvent wholeConnEvent; |
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wholeConnEvent.iSubConnectionUniqueId = KNifEMCompatibilityLayerEntireSubConnectionUid ; |
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TCFInternalEsock::TSubConnectionOpenedEvent wholeConnMsg(wholeConnEvent); |
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ctrlClient->PostMessage(iContext.NodeId(), wholeConnMsg); |
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149 |
} |
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150 |
} |
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151 |
|
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DEFINE_SMELEMENT( TSendSubsequentSubConnectionOpenedEvent, NetStateMachine::MStateTransition, IpCprStates::TContext) |
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void IpCprStates::TSendSubsequentSubConnectionOpenedEvent::DoL() |
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154 |
{ |
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RNodeInterface* ctrlClient = iContext.Node().GetFirstClient<TDefaultClientMatchPolicy>(TClientType(TCFClientType::ECtrl)); |
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if(ctrlClient) // Ditch the notifications if there's no one to send to. |
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157 |
{ |
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// If it's the default subconnection then use the fake subconnection id. |
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// Otherwise cook one up from the pointer of the SCPR. |
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TUint subConnectionUniqueId = KNifEMCompatibilityLayerFakeSubConnectionId; |
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TUint dataClientCount = iContext.Node().CountClients<TDefaultClientMatchPolicy>(TClientType(TCFClientType::EData)); |
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if(dataClientCount > 1) |
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163 |
{ |
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subConnectionUniqueId = reinterpret_cast<TUint>(address_cast<TNodeId>(iContext.iSender).Ptr()); |
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165 |
} |
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166 |
|
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TSubConnectionOpenedEvent defaultSubConnEvent; |
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defaultSubConnEvent.iSubConnectionUniqueId = subConnectionUniqueId; |
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TCFInternalEsock::TSubConnectionOpenedEvent subConnMsg(defaultSubConnEvent); |
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ctrlClient->PostMessage(iContext.NodeId(), subConnMsg); |
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171 |
} |
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172 |
} |
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173 |
|
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174 |
|
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#ifndef SYMBIAN_NETWORKING_UPS |
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176 |
|
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_LIT_SECURITY_POLICY_C1(KIpCprStartSecurityPolicy, ECapabilityNetworkServices); |
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178 |
|
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/** |
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IpCpr Start capability check transition |
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*/ |
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DEFINE_SMELEMENT( TCheckStartCapabilities, NetStateMachine::MStateTransition, IpCprStates::TContext) |
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void IpCprStates::TCheckStartCapabilities::DoL() |
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{ |
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MPlatsecApiExt* platsec = iContext.iCFMessageSig.FetchPlatsecApiInterfaceL(); |
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TInt err = platsec->CheckPolicy(KIpCprStartSecurityPolicy); |
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User::LeaveIfError(err); |
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} |
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189 |
|
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#endif //SYMBIAN_NETWORKING_UPS |
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191 |
|
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#ifdef SYMBIAN_ADAPTIVE_TCP_RECEIVE_WINDOW |
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/* |
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Constructor for the new parameter set to be sent in parameter bundle while requesting for bearer type. |
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@param aFamily - Specified the family the parameterset belongs to |
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aType - Specifies the type |
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@return object of type XBearerInfo |
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*/ |
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EXPORT_C XBearerInfo* XBearerInfo::NewL(RParameterFamily aFamily, RParameterFamily::TParameterSetType aType) |
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200 |
{ |
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//call NewL |
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XBearerInfo *obj = XBearerInfo::NewL(); |
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CleanupStack::PushL(obj); |
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204 |
|
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//add the parameterset to the family specified. |
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aFamily.AddParameterSetL(obj, aType); |
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CleanupStack::Pop(obj); |
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|
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return obj; |
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} |
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|
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/* |
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Constructs object of XBearerInfo |
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@return object of type XBearerInfo |
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*/ |
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EXPORT_C XBearerInfo* XBearerInfo::NewL() |
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{ |
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return new(ELeave)XBearerInfo(); |
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} |
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|
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//Attribute table for data members of XBearerInfo class. Needed because the class derieves from SMetaData |
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START_ATTRIBUTE_TABLE(XBearerInfo, XBearerInfo::EUid, XBearerInfo::EId) |
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REGISTER_ATTRIBUTE(XBearerInfo, iBearerType, TMetaNumber) |
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END_ATTRIBUTE_TABLE() |
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|
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/** |
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* State Transition which initialises the Parameter bundle to request for the bearer type. |
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*/ |
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DEFINE_SMELEMENT(IpCprStates::TInitialiseParams, NetStateMachine::MStateTransition, IpCprStates::TContext) |
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void IpCprStates::TInitialiseParams::DoL() |
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{ |
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RCFParameterFamilyBundle newBundle; |
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//create new bundle |
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newBundle.CreateL(); |
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if(!iContext.Node().iParameterBundle.IsNull()) |
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{ |
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iContext.Node().iParameterBundle.Close(); |
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} |
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iContext.Node().iParameterBundle.Open(newBundle); |
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//Create new family |
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RParameterFamily family = newBundle.CreateFamilyL(KBearerInfo); |
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//construct object to be added to the parameterset |
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//coverity[returned_pointer] |
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// We are trying to initializing the family parameter and returning the pointer to XbearerInfo object. |
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XBearerInfo *bearerInfo = XBearerInfo::NewL(family, RParameterFamily::ERequested); |
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} |
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|
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/** |
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* State Transition which receives the response message to the bearer type request. |
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* Extracts the bearer type and updates it in the NetMCPR |
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*/ |
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DEFINE_SMELEMENT(IpCprStates::TUpdateProvisionConfigAtStartup, NetStateMachine::MStateTransition, IpCprStates::TContext) |
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void IpCprStates::TUpdateProvisionConfigAtStartup::DoL() |
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{ |
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//Cast the message to response type |
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TCFScpr::TGetParamsResponse& paramResponse = message_cast<TCFScpr::TGetParamsResponse>(iContext.iMessage); |
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if( (! paramResponse.iFamilyBundle.IsNull())) |
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{ |
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//Open the bundle |
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iContext.Node().GetParameterBundle().Open(paramResponse.iFamilyBundle); |
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CleanupClosePushL(iContext.Node().GetParameterBundle()); |
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//Get the family ie. KBearerInfo |
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RParameterFamily family = iContext.Node().GetParameterBundle().FindFamily(KBearerInfo); |
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if(!family.IsNull()) |
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{ |
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//Find the parameter set |
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XBearerInfo *bearerTypePtr = static_cast<XBearerInfo*>(family.FindParameterSet(STypeId::CreateSTypeId(KIpBearerInfoUid, KIpBearerInfoParameterType), RParameterFamily::ERequested)); |
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if(bearerTypePtr) |
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{ |
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//Set the bearer type in NetMCPR |
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CTCPReceiveWindowSize* winSizePtr = const_cast<CTCPReceiveWindowSize *>(static_cast<const CTCPReceiveWindowSize *>(iContext.Node().AccessPointConfig().FindExtension(STypeId::CreateSTypeId(CTCPReceiveWindowSize::ERealmId,CTCPReceiveWindowSize::iId)))); |
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CSAPSetOpt* protOptPtr = const_cast<CSAPSetOpt *>(static_cast<const CSAPSetOpt *>(iContext.Node().AccessPointConfig().FindExtension(STypeId::CreateSTypeId(CSAPSetOpt::EUid,CSAPSetOpt::ETypeId)))); |
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//Set TCP Receive window value. |
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if(winSizePtr && protOptPtr) |
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{ |
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winSizePtr->SetTcpWin(bearerTypePtr->GetBearerType()); |
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protOptPtr->AddProtocolOptionL(KSolInetTcp, KSoTcpRecvWinAuto, winSizePtr->GetTcpWin()); |
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protOptPtr->AddProtocolOptionL(KSolInetTcp, KSoTcpMaxRecvWin, winSizePtr->GetTcpMaxWin()); |
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} |
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} |
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} |
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// Decrease reference count by calling close of the reference passed in CleanupClosePushL at line no 261 |
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CleanupStack::PopAndDestroy(); |
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} |
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} |
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|
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/** |
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* State Transition to update the NetMCPR with bearer type recd. after receiving the modulation change notification. |
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* Receives the TPlaneNotification message containting the new bearer. |
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*/ |
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DEFINE_SMELEMENT(IpCprStates::TUpdateProvisionConfigAtModulation, NetStateMachine::MStateTransition, IpCprStates::TContext) |
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void IpCprStates::TUpdateProvisionConfigAtModulation::DoL() |
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{ |
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|
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TInt index = 0; |
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//Cast the message to TPlaneNotification |
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TCFSubConnControlClient::TPlaneNotification& paramsChanged = message_cast<TCFSubConnControlClient::TPlaneNotification>(iContext.iMessage); |
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|
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//Obtain the pointer to CEventParamsGranted class from the message |
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const CEventParamsGranted * event = static_cast<const CEventParamsGranted*>(paramsChanged.iRefCountOwnedNotification->Ptr()); |
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|
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//Obtain the parameter set |
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const XBearerInfo * msg = static_cast<const XBearerInfo *>(event->FindParameterSet(KBearerInfo, index)); |
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|
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//Set the bearer type at NetMCPR |
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CTCPReceiveWindowSize* winSizePtr = const_cast<CTCPReceiveWindowSize *>(static_cast<const CTCPReceiveWindowSize *>(iContext.Node().AccessPointConfig().FindExtension(STypeId::CreateSTypeId(CTCPReceiveWindowSize::ERealmId,CTCPReceiveWindowSize::iId)))); |
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CSAPSetOpt* protOptPtr = const_cast<CSAPSetOpt *>(static_cast<const CSAPSetOpt *>(iContext.Node().AccessPointConfig().FindExtension(STypeId::CreateSTypeId(CSAPSetOpt::EUid,CSAPSetOpt::ETypeId)))); |
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// Set the TCP receive window and maximum value |
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if(winSizePtr && protOptPtr) |
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{ |
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winSizePtr->SetTcpWin((const_cast<XBearerInfo*>(msg))->GetBearerType()); |
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protOptPtr->UpdateProtocolOption(KSolInetTcp, KSoTcpRecvWinAuto, winSizePtr->GetTcpWin()); |
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protOptPtr->UpdateProtocolOption(KSolInetTcp, KSoTcpMaxRecvWin, winSizePtr->GetTcpMaxWin()); |
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} |
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//Decrease the ref count |
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paramsChanged.iRefCountOwnedNotification->Close(); |
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|
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} |
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|
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/** |
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* StateTransition which sends request message containing the Parameter bundle to self. |
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* When sent to self, it is sent to the service providers. |
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*/ |
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DEFINE_SMELEMENT(IpCprStates::TSendParamsToSelf, NetStateMachine::MStateTransition, IpCprStates::TContext) |
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void IpCprStates::TSendParamsToSelf::DoL() |
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{ |
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ASSERT( ! iContext.Node().GetParameterBundle().IsNull()); // params initialised already |
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iContext.iNodeActivity->PostRequestTo(iContext.NodeId(), TCFScpr::TGetParamsRequest(iContext.Node().GetParameterBundle()).CRef()); |
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} |
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|
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/** |
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* StateTransition to send bearer characteristics to data clients. The TCP Receive window size is obtained from |
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* Lookup Table using the bearer type obtained. Send the window size data clients. In this case, it will be sent |
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* before TStartDataClient. |
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*/ |
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DEFINE_SMELEMENT(TSendTransportNotificationToDataClients, NetStateMachine::MStateTransition, IpCprStates::TContext) |
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void IpCprStates::TSendTransportNotificationToDataClients::DoL() |
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{ |
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|
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//Send TTransportNotification message to the data clients. |
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//Initialise the iter variable which will know all data clients. |
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//Exclude data clients that are ELeaving otherwise the PostMessage() below will panic. |
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TClientIter<TDefaultClientMatchPolicy> iter = iContext.Node().GetClientIter<TDefaultClientMatchPolicy>(TClientType(TCFClientType::EData), TClientType(0, TCFClientType::ELeaving)); |
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TInt dataCliNum = NULL; |
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RNodeInterface* dataClient = iter[dataCliNum]; |
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//Initialise message with window sizes |
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TCFMessage::TTransportNotification message; |
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|
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while (dataClient) |
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{ |
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//Post messages to the data client. |
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dataClient->PostMessage(iContext.NodeId(), message); |
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dataCliNum++; |
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dataClient = iter[dataCliNum]; |
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} |
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} |
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#endif //SYMBIAN_ADAPTIVE_TCP_RECEIVE_WINDOW |