diff -r 000000000000 -r af10295192d8 networkcontrol/iptransportlayer/src/ipdeftscpr.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/networkcontrol/iptransportlayer/src/ipdeftscpr.cpp Tue Jan 26 15:23:49 2010 +0200 @@ -0,0 +1,212 @@ +// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies). +// All rights reserved. +// This component and the accompanying materials are made available +// under the terms of "Eclipse Public License v1.0" +// which accompanies this distribution, and is available +// at the URL "http://www.eclipse.org/legal/epl-v10.html". +// +// Initial Contributors: +// Nokia Corporation - initial contribution. +// +// Contributors: +// +// Description: +// IP SubConnection Provider implementation +// +// + +/** + @file + @internalComponent +*/ + +#include +#include +#include "ipdeftscpr.h" +#include "IPMessages.h" +#include +#include "IPCpr.h" + +#include + +#ifdef SYMBIAN_TRACE_ENABLE + #define KIPSCprTag KESockSubConnectionTag + //_LIT8(KIPSCprSubTag, "ipqosdeftscpr"); +#endif // SYMBIAN_TRACE_ENABLE + + +using namespace Messages; +using namespace MeshMachine; +using namespace ESock; +using namespace IPDeftBaseSCprActivities; +using namespace PRActivities; +using namespace CoreNetStates; + +//We reserve space for two preallocated activities that may start concurrently on the default SCPR +//node: destroy and data client stop. +static const TUint KDefaultMaxPreallocatedActivityCount = 2; +static const TUint KMaxPreallocatedActivitySize = sizeof(MeshMachine::CNodeRetryParallelActivity) + sizeof(MeshMachine::APreallocatedOriginators<4>); +static const TUint KIPDefaultSCPRPreallocatedActivityBufferSize = KDefaultMaxPreallocatedActivityCount * KMaxPreallocatedActivitySize; + +//-========================================================= +// +// States +// +//-========================================================= +namespace IPDeftSCprStates +{ +DEFINE_SMELEMENT(TPolicyChecking, NetStateMachine::MStateTransition, IPBaseSCprStates::TContext) +void TPolicyChecking::DoL() + { + IPBaseSCprStates::TStoreAddressUpdate storeAddressUpdate(iContext); + storeAddressUpdate.DoL(); + + TCFIPMessage::TDataClientRouted& addressUpdateMsg = message_cast(iContext.iMessage); + + // check for src and dst address presence + if( addressUpdateMsg.iAddrUpdate.iSrcSockAddr.Family() != KAFUnspec && + addressUpdateMsg.iAddrUpdate.iDestSockAddr.Family() != KAFUnspec ) + { + RNodeInterface* ctrlProvider = iContext.Node().ControlProvider(); + User::LeaveIfError(ctrlProvider? KErrNone : KErrCorrupt); + + RIPDataClientNodeInterface* client = static_cast(iContext.iPeer); + + ctrlProvider->PostMessage( + TNodeCtxId(iContext.ActivityId(), iContext.NodeId()), + TCFIPMessage::TPolicyParams( + addressUpdateMsg.iAddrUpdate, + iContext.NodeId(), + address_cast(iContext.iSender), + client->iAppSid + ).CRef() + ); + } + } +}//namespace +//-========================================================= +// +// Activities +// +//-========================================================= +namespace IPDeftSCprAddressUpdate +{ +DECLARE_DEFINE_NODEACTIVITY(ECFActivityAddressUpdate, IPDeftSCprAddressUpdate, TCFIPMessage::TDataClientRouted) + NODEACTIVITY_ENTRY(KNoTag, IPDeftSCprStates::TPolicyChecking, IPBaseSCprStates::TAwaitingAddressUpdate, MeshMachine::TNoTag) +NODEACTIVITY_END() +} + + +DEFINE_SMELEMENT(CCommsIPBinderActivity::TFetchClientUids, NetStateMachine::MStateTransition, TContext) +void CCommsIPBinderActivity::TFetchClientUids::DoL() + { + MPlatsecApiExt* platsec(NULL); + TRAP_IGNORE(platsec = reinterpret_cast(address_cast(iContext.iSender).Node().FetchNodeInterfaceL(MPlatsecApiExt::KInterfaceId))); + if (platsec) + { + TSecureId secureId = 0; + if(platsec->SecureId(secureId) != KErrNone) + { + return; + } + + CCommsIPBinderActivity* intf = reinterpret_cast(iContext.iNodeActivity->FetchExtInterface(CCommsIPBinderActivity::KInterfaceId)); + if(intf) + { + intf->SetUid(TUid::Uid(secureId.iId)); + } + } + } + +DEFINE_SMELEMENT(CCommsIPBinderActivity::TUpdateClientUids, NetStateMachine::MStateTransition, TContext) +void CCommsIPBinderActivity::TUpdateClientUids::DoL() + { + /* Data client joined is recieved from the factory, which isn't the peer. Therefore we must look up + * the client using it's comms id which we can get from the dcjoined message + */ + RIPDataClientNodeInterface* client = static_cast(iContext.iPeer); + if (!client) + { + return; + } + + CCommsIPBinderActivity* intf = reinterpret_cast(iContext.iNodeActivity->FetchExtInterface(CCommsIPBinderActivity::KInterfaceId)); + if(intf) + { + client->iAppSid = intf->GetUid(); + } + } + +namespace IPDeftSCprBinderRequestActivity +{ +DECLARE_DEFINE_CUSTOM_NODEACTIVITY(ECFActivityBinderRequest, IPDeftSCprBinderRequest, TCFServiceProvider::TCommsBinderRequest, CCommsIPBinderActivity::NewL) + FIRST_NODEACTIVITY_ENTRY(CoreNetStates::TAwaitingBinderRequest, MeshMachine::TNoTag ) + + THROUGH_NODEACTIVITY_ENTRY(KNoTag, CCommsIPBinderActivity::TFetchClientUids, IPDeftBaseSCprBinderRequestActivity::TNoTagOrUseExistingOrPermissionDenied) + NODEACTIVITY_ENTRY(KNoTag, PRStates::TCreateDataClient, CoreNetStates::TAwaitingDataClientJoin, MeshMachine::TNoTag) + // Below this point we need to modify the error handling approach. If we're getting a TError on TBinderResponse, + // this means the client requesting the binder couldn't bind to it. As far as the client is concerned, this + // activity is finished (it has flagged an error). The standard error handling will result in erroring + // the originator. In this case we shouoldn't error the originator, instead, wrap up quietly. + THROUGH_NODEACTIVITY_ENTRY(KNoTag, CCommsIPBinderActivity::TProcessDataClientCreationAndUpdateClientUids, MeshMachine::TTag) + + NODEACTIVITY_ENTRY(CoreStates::KUseExisting, CCommsBinderActivity::TSendBinderResponse, CCommsBinderActivity::TAwaitingBindToComplete, MeshMachine::TNoTagOrErrorTag) + LAST_NODEACTIVITY_ENTRY(KNoTag, MeshMachine::TDoNothing) + LAST_NODEACTIVITY_ENTRY(KErrorTag, MeshMachine::TClearError) + LAST_NODEACTIVITY_ENTRY(IPDeftBaseSCprBinderRequestActivity::KPermissionDenied, MeshMachine::TRaiseAndClearActivityError) +NODEACTIVITY_END() +} + +namespace IPDeftSCprActivities +{ +DECLARE_DEFINE_ACTIVITY_MAP(activityMap) + ACTIVITY_MAP_ENTRY(IPDeftSCprAddressUpdate, IPDeftSCprAddressUpdate) + ACTIVITY_MAP_ENTRY(IPDeftSCprBinderRequestActivity, IPDeftSCprBinderRequest) +ACTIVITY_MAP_END_BASE(IPDeftBaseSCprActivities, ipdeftbasescprActivityMap) +} + +//-========================================================= +// +// CIpDefaultSubConnectionProvider methods +// +//-========================================================= +CIpDefaultSubConnectionProvider::~CIpDefaultSubConnectionProvider() + { + LOG_NODE_DESTROY(KIPSCprTag, CIpDefaultSubConnectionProvider); + } + +CIpDefaultSubConnectionProvider::CIpDefaultSubConnectionProvider(ESock::CSubConnectionProviderFactoryBase& aFactory) + : CIpDefaultBaseSubConnectionProvider(aFactory, IPDeftSCprActivities::activityMap::Self()) + { + LOG_NODE_CREATE(KIPSCprTag, CIpDefaultSubConnectionProvider); + } + +CIpDefaultSubConnectionProvider* CIpDefaultSubConnectionProvider::NewL(ESock::CSubConnectionProviderFactoryBase& aFactory) + { + CIpDefaultSubConnectionProvider* provider = new (ELeave) CIpDefaultSubConnectionProvider(aFactory); + CleanupStack::PushL(provider); + provider->ConstructL(KIPDefaultSCPRPreallocatedActivityBufferSize); + + CleanupStack::Pop(provider); + return provider; + } + +void CIpDefaultSubConnectionProvider::ReceivedL(const TRuntimeCtxId& aSender, const TNodeId& aRecipient, TSignatureBase& aMessage) + { + ESOCK_DEBUG_MESSAGE_INTERCEPT(aSender, aMessage, aRecipient); + TNodeContext ctx(*this, aMessage, aSender, aRecipient); + CCoreSubConnectionProvider::ReceivedL(aSender, aRecipient, aMessage); + User::LeaveIfError(ctx.iReturn); + } + +MeshMachine::CNodeActivityBase* CCommsIPBinderActivity::NewL(const MeshMachine::TNodeActivity& aActivitySig, MeshMachine::AMMNodeBase& aNode) + { + TUint c = GetNextActivityCountL(aActivitySig,aNode); + return new(ELeave)CCommsIPBinderActivity(aActivitySig, aNode, c); + } + +CCommsIPBinderActivity::CCommsIPBinderActivity(const MeshMachine::TNodeActivity& aActivitySig, MeshMachine::AMMNodeBase& aNode, TUint aNextActivityCount) +: CCommsBinderActivity(aActivitySig, aNode, aNextActivityCount) + { + iAppSid = TUid::Null(); + }