// Copyright (c) 2005-2009 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:

//

/**

 @file

 @internalTechnology

*/

#define SYMBIAN_NETWORKING_UPS

#include <comms-infras/ss_log.h>

#include <comms-infras/ss_nodemessages.h>

#include <comms-infras/ss_nodemessages_serviceprovider.h>

#include <comms-infras/ss_nodemessages_factory.h>

#include <comms-infras/ss_nodemessages_subconn.h>

#include "SS_conn.H"

#include "ss_connstates.h"

#include <comms-infras/ss_datamonitoringprovider.h>

#include <comms-infras/ss_roles.h>

#include <ss_glob.h>

#include <comms-infras/ss_coreprstates.h>

#include <comms-infras/ss_corepractivities.h>

#include <elements/sm_core.h>

#include <comms-infras/es_parameterbundle.h>

#include <comms-infras/es_commsdataobject.h>

#include <comms-infras/ss_commsdataobject.h>

#include <nifman.h>

#include <comms-infras/nifprvar.h>

#include <in_sock.h> //KAfInet only

#include <elements/nm_signatures.h>

#include <comms-infras/ss_msgintercept.h>

#ifdef SYMBIAN_NETWORKING_UPS

#include <comms-infras/upsmessages.h>		// reference from ESock to UpsCoreProviders - should we move the UPS messages into ESock?

#endif

#ifdef _DEBUG

// Panic category for "absolutely impossible!" vanilla ASSERT()-type panics from this module

// (if it could happen through user error then you should give it an explicit, documented, category + code)

// UNCOMMENT IF INSERTING AN ASSERT

//_LIT(KSpecAssert_ESockSSocks_cn, "ESockSSocks_cn.");

#endif

using namespace ESock;

using namespace SubSessActivities;

using namespace NetStateMachine;

using namespace ConnActivities;

using namespace SubSessStates;

using namespace CoreStates;

using namespace Elements;

using namespace Messages;

using namespace MeshMachine;

using namespace Den;

//We reserve space for two preallocated activities that may start concurrently on the connection

//node: destroy (connection close) and connection stop.

static const TUint KDefaultMaxPreallocatedActivityCount = 2;

static const TUint KMaxPreallocatedActivitySize = sizeof(CNodeRetryParallelActivity) + sizeof(APreallocatedOriginators<4>);

static const TUint KConnectionPreallocatedActivityBufferSize = KDefaultMaxPreallocatedActivityCount * KMaxPreallocatedActivitySize;

//

//Activities serving client (RConnection) requests

namespace ConnectionStartActivity

{

 //Synchronised activity, must wait for stop (exclusive with close)

DECLARE_DEFINE_CUSTOM_NODEACTIVITY(ECFActivityStart, ConnectionStart, TCFInternalEsock::TSubSess, ConnActivities::CStartAttachActivity::NewStartConnectionActivityL)

	FIRST_NODEACTIVITY_ENTRY(SubSessStates::TAwaitingIPC<ECNStart>, MeshMachine::TNoTag)

	THROUGH_NODEACTIVITY_ENTRY(KNoTag, SubSessStates::TAcquireMessageOwnership, MeshMachine::TNoTag)

	// If the IPC was ECNSetStartPrefs we expect another IPC to start the connection 

	THROUGH_NODEACTIVITY_ENTRY(KNoTag, ConnStates::TProcessStartBlockedByStop, ConnActivities::CStartAttachActivity::TNoTagOrStartPrefsSetTag)

	NODEACTIVITY_ENTRY(ConnActivities::CStartAttachActivity::KStartPrefsSetTag, MeshMachine::TDoNothing, SubSessStates::TAwaitingIPC<ECNStart>, ConnActivities::CStartAttachActivity::TStartPrefsSetTag)

	THROUGH_NODEACTIVITY_ENTRY(ConnActivities::CStartAttachActivity::KStartPrefsSetTag, SubSessStates::TAcquireMessageOwnership, ConnActivities::CStartAttachActivity::TStartPrefsSetTag)

	THROUGH_NODEACTIVITY_ENTRY(ConnActivities::CStartAttachActivity::KStartPrefsSetTag, ConnStates::TParseECNStart, MeshMachine::TNoTag)

	THROUGH_NODEACTIVITY_ENTRY(KNoTag, ConnStates::TClearProgressQueue, MeshMachine::TNoTag)

	THROUGH_NODEACTIVITY_ENTRY(KNoTag, ConnStates::TSendStartingSelectionStateChange, MeshMachine::TNoTag)

	NODEACTIVITY_ENTRY(KNoTag, ConnStates::TRequestCSRCreation, TECABState<CoreNetStates::TAwaitingCSRCreated>, MeshMachine::TNoTag)

	THROUGH_NODEACTIVITY_ENTRY(KNoTag, ConnStates::TProcessCSRCreation, MeshMachine::TNoTag)

	NODEACTIVITY_ENTRY(KNoTag, ConnStates::TSelectMetaPlane, ConnActivities::CStartAttachActivity::TAwaitingSelectCompleteOrError, MeshMachine::TNoTagOrErrorTag)

	LAST_NODEACTIVITY_ENTRY(KErrorTag, MeshMachine::TDoNothing)

	NODEACTIVITY_ENTRY(KNoTag, ConnStates::TJoinReceivedMcpr, TECABState<CoreStates::TAwaitingJoinComplete>, MeshMachine::TNoTag)

	NODEACTIVITY_ENTRY(KNoTag, ConnStates::TRequestCommsBinderFromMcpr, TAcceptErrorState<CoreNetStates::TAwaitingBinderResponse>, MeshMachine::TNoTagOrErrorTag)

	LAST_NODEACTIVITY_ENTRY(KErrorTag, CoreActivities::ABindingActivity::TSendBindToComplete) //Terminate the activity

	THROUGH_NODEACTIVITY_ENTRY(KNoTag, ConnStates::TSendFinishedSelectionStateChange, MeshMachine::TNoTag)

	NODEACTIVITY_ENTRY(KNoTag, ConnStates::TProcessBinderResponseForCpr, TECABState<CoreStates::TAwaitingJoinComplete>, MeshMachine::TNoTag)

#ifdef SYMBIAN_NETWORKING_UPS

	THROUGH_NODEACTIVITY_ENTRY(KNoTag, ConnActivities::CStartAttachActivity::TSendBindToComplete, MeshMachine::TNoTag)

	NODEACTIVITY_ENTRY(KNoTag, CStartAttachActivity::TSendPolicyCheckRequestToServiceProvider, TAcceptErrorState<TAwaitingMessageState<UpsMessage::TPolicyCheckResponse> >, CStartAttachActivity::TNoTagOrUpsErrorTag)

  	//<legacy begin> - requesting and joining the default scpr just to satisfy the subconn related datamonitoring API.

  	//If the default scpr isn't there, we'll ignore the error here but we will dissallow subscribing to subcon-related data monitoring.

  	NODEACTIVITY_ENTRY(KNoTag, CoreNetStates::TRequestCommsBinder, TAcceptErrorState<CoreNetStates::TAwaitingBinderResponse>, MeshMachine::TNoTagOrErrorTag)

 #endif

#ifndef SYMBIAN_NETWORKING_UPS

  	THROUGH_NODEACTIVITY_ENTRY(KNoTag, ConnActivities::CStartAttachActivity::TSendBindToComplete, MeshMachine::TNoTag)

  	NODEACTIVITY_ENTRY(KNoTag, CoreNetStates::TRequestCommsBinder, TAcceptErrorState<CoreNetStates::TAwaitingBinderResponse>, MeshMachine::TNoTagOrErrorTag)

#endif

  	NODEACTIVITY_ENTRY(KNoTag, ConnStates::TJoinReceivedSCpr, TECABState<CoreStates::TAwaitingJoinComplete>, MeshMachine::TNoTag)

  	THROUGH_NODEACTIVITY_ENTRY(KNoTag, CoreActivities::ABindingActivity::TSendBindToComplete, MeshMachine::TNoTag)

  	// Act on cancellation errors, ignore all others.

  	ROUTING_NODEACTIVITY_ENTRY(KErrorTag, ConnStates::TErrorOrCancel)

  	THROUGH_NODEACTIVITY_ENTRY(KErrorTag, MeshMachine::TClearError, MeshMachine::TNoTag)

  	//</legacy end>>

	THROUGH_NODEACTIVITY_ENTRY(KNoTag, ConnActivities::CStartAttachActivity::TSubscribeForAvailability, MeshMachine::TNoTag)

	THROUGH_NODEACTIVITY_ENTRY(KNoTag, MeshMachine::TDoNothing, ConnActivities::CStartAttachActivity::TNoTagOrWaitAvailable)

	NODEACTIVITY_ENTRY(ConnActivities::CStartAttachActivity::KWaitAvailable, MeshMachine::TDoNothing, ConnActivities::CStartAttachActivity::TAwaitingAvailableOrError, MeshMachine::TNoTag)

	NODEACTIVITY_ENTRY(KNoTag, ConnStates::TStartConnection, TAcceptErrorState<CoreNetStates::TAwaitingStarted>, CoreStates::TCancelOrErrorOrTag<KNoTag>)

	// Handle error during start

	THROUGH_NODEACTIVITY_ENTRY(KErrorTag, ConnStates::TGenerateConnectionDownProgress, ConnActivities::CStartAttachActivity::TErrorTagOrWaitAvailableBackward)

	LAST_NODEACTIVITY_ENTRY(KNoTag,  ConnStates::TGenerateConnectionUpProgress )

	// Handle error during start.

	THROUGH_NODEACTIVITY_ENTRY(ConnActivities::CStartAttachActivity::KCancelTag, MeshMachine::TDoNothing, MeshMachine::TErrorTag)	// just a tag

#ifdef SYMBIAN_NETWORKING_UPS

	THROUGH_NODEACTIVITY_ENTRY(CStartAttachActivity::KUpsErrorTag, TDoNothing, MeshMachine::TErrorTag)

#endif

	NODEACTIVITY_ENTRY(KErrorTag, CoreNetStates::TSendClientLeavingRequestToServiceProviders, MeshMachine::TAwaitingLeaveComplete, MeshMachine::TNoTag)

	NODEACTIVITY_ENTRY(KNoTag, CoreNetStates::TSetIdleIfNoServiceProviders, MeshMachine::TAwaitingLeaveComplete, ConnectionCleanupActivities::TNoTagOrNoTagBackwards)

	LAST_NODEACTIVITY_ENTRY(KNoTag, MeshMachine::TDoNothing)

NODEACTIVITY_END()

}

namespace ConnectionAttachActivity

{

typedef SubSessStates::TAwaitingSecuredIpc<SubSessStates::TAwaitingIPC<ECNAttach>, ECapabilityNetworkServices> TAwaitingSecuredAttachIpc;

//Synchronised activity, must wait for stop (exclusive with close)

DECLARE_DEFINE_CUSTOM_NODEACTIVITY(ECFActivityConnectionAttach, ConnectionAttach, TCFInternalEsock::TSubSess, ConnActivities::CStartAttachActivity::NewStartConnectionActivityL)

#ifdef SYMBIAN_NETWORKING_UPS

	// UPS support.  Platform Security check now takes place in the Cpr as part of the control client join activity.

	FIRST_NODEACTIVITY_ENTRY(SubSessStates::TAwaitingIPC<ECNAttach>, MeshMachine::TNoTag)

#else

	FIRST_NODEACTIVITY_ENTRY(TAwaitingSecuredAttachIpc, MeshMachine::TNoTag)

#endif

	// NOTE: TAcquireMessageOwnership MUST occur before any blocking takes place, otherwise the Player will

	// complete the message upon return from the blocked activity.

	THROUGH_NODEACTIVITY_ENTRY(KNoTag, SubSessStates::TAcquireMessageOwnership, CoreNetStates::TNoTagBlockedByStop)

	NODEACTIVITY_ENTRY(KNoTag, ConnStates::TProcessAttachBlockedByStop, TECABState<CoreNetStates::TAwaitingCSRCreated>, MeshMachine::TNoTag)

	THROUGH_NODEACTIVITY_ENTRY(KNoTag, ConnStates::TProcessCSRCreation, MeshMachine::TNoTag)

	NODEACTIVITY_ENTRY(KNoTag, ConnStates::TSelectMetaPlane, ConnActivities::CStartAttachActivity::TAwaitingSelectCompleteOrError, MeshMachine::TNoTagOrErrorTag)

	LAST_NODEACTIVITY_ENTRY(KErrorTag, MeshMachine::TDoNothing)

	NODEACTIVITY_ENTRY(KNoTag, ConnStates::TJoinReceivedMcpr, TECABState<CoreStates::TAwaitingJoinComplete>, MeshMachine::TNoTag)

    NODEACTIVITY_ENTRY(KNoTag, ConnStates::TRequestCommsBinderFromMcpr, TAcceptErrorState<CoreNetStates::TAwaitingBinderResponse>, MeshMachine::TNoTagOrErrorTag)

	LAST_NODEACTIVITY_ENTRY(KErrorTag, CoreActivities::ABindingActivity::TSendBindToComplete) //Terminate the activity

    NODEACTIVITY_ENTRY(KNoTag, ConnStates::TProcessBinderResponseForCpr, TECABState<CoreStates::TAwaitingJoinComplete>, CStartAttachActivity::TNoTagOrLegacyAttach)

    //New Attach - go here

	LAST_NODEACTIVITY_ENTRY(KNoTag, ConnActivities::CStartAttachActivity::TSendBindToComplete)

	//Legacy Attach - go here

	LAST_NODEACTIVITY_ENTRY(CStartAttachActivity::KExecuteLegacyAttach, ConnActivities::CStartAttachActivity::TSendBindToCompleteAndCompleteLegacyAttach)

NODEACTIVITY_END()

}

namespace ConnectionStopActivity

{

//Synchronised activity, must wait for start to finish

DECLARE_DEFINE_CUSTOM_NODEACTIVITY(ECFActivityStop, ConnectionStop, TCFInternalEsock::TSubSess, CPreallocatedESockClientActivity::New)

	FIRST_NODEACTIVITY_ENTRY(SubSessStates::TAwaitingIPC<ECNStop>, MeshMachine::TNoTag)

	// NOTE: TAcquireMessageOwnership MUST occur before any blocking takes place, otherwise the Player will

	// complete the message upon return from the blocked activity.

	THROUGH_NODEACTIVITY_ENTRY(KNoTag, SubSessStates::TAcquireMessageOwnership, CoreNetStates::TActiveOrNoTagBlockedByGoneDown)

	THROUGH_NODEACTIVITY_ENTRY(KActiveTag, ConnStates::TCancelStartOrAttachConnection, ConnStates::TNoTagOrNoBearerBlockedByStartOrAttach)

	THROUGH_NODEACTIVITY_ENTRY(KNoTag, CoreNetStates::TCancelAndCloseZone0ClientExtIfaces, MeshMachine::TNoTag)

    THROUGH_NODEACTIVITY_ENTRY(KNoTag, ConnStates::TCancelAllLegacyRMessage2Activities, ConnStates::TNoTagBlockedByLegacyRMessage2Activities)

	NODEACTIVITY_ENTRY(KNoTag, ConnStates::TSendStopConnection, TECABState<CoreNetStates::TAwaitingStopped>, MeshMachine::TNoTag)

    THROUGH_NODEACTIVITY_ENTRY(KNoTag, ConnStates::TGenerateConnectionDownProgress, MeshMachine::TNoTag)

	NODEACTIVITY_ENTRY(KNoTag, CoreNetStates::TSendClientLeavingRequestToServiceProviders, MeshMachine::TAwaitingLeaveComplete, MeshMachine::TNoTag)

	NODEACTIVITY_ENTRY(KNoTag, CoreNetStates::TSetIdleIfNoServiceProviders, MeshMachine::TAwaitingLeaveComplete, ConnectionCleanupActivities::TNoTagOrNoTagBackwards)

	LAST_NODEACTIVITY_ENTRY(CoreNetStates::KNoBearer, MeshMachine::TDoNothing)

	LAST_NODEACTIVITY_ENTRY(KNoTag, MeshMachine::TDoNothing)

NODEACTIVITY_END()

}

/**

	Legacy RConnection::Stop(TSubConnectionUniqueId aSubConnectionUniqueId) implementation

*/

namespace ConnectionStopSCPRActivity

{

DECLARE_DEFINE_CUSTOM_NODEACTIVITY(ECFActivityStopSCPR, ConnectionStopSCPR, TCFInternalEsock::TSubSess, CESockClientActivityBase::NewL)

	FIRST_NODEACTIVITY_ENTRY(SubSessStates::TAwaitingIPC<ESCPSStop>, MeshMachine::TNoTag)

	THROUGH_NODEACTIVITY_ENTRY(KNoTag, SubSessStates::TAcquireMessageOwnership, MeshMachine::TNoTag)

	THROUGH_NODEACTIVITY_ENTRY(KNoTag, ConnStates::TConnectionSendStopSCPR, MeshMachine::TNoTag)

	NODEACTIVITY_ENTRY(KNoTag, MeshMachine::TDoNothing, TECABState<CoreNetStates::TAwaitingStopped>, MeshMachine::TNoTag)

	LAST_NODEACTIVITY_ENTRY(KNoTag, MeshMachine::TDoNothing)

NODEACTIVITY_END()

}

/**

	Legacy RConnection::EnumerateConnections implementation

*/

namespace EnumerateConnectionsActivity

{

DECLARE_DEFINE_CUSTOM_NODEACTIVITY(ECFActivityConnectionEnumerateConnections, EnumerateConnections, TCFInternalEsock::TSubSess, CEnumerateConnectionsActivity::NewL)

	FIRST_NODEACTIVITY_ENTRY(SubSessStates::TAwaitingIPC<ECNEnumerateConnections>, MeshMachine::TNoTag)

	THROUGH_NODEACTIVITY_ENTRY(KNoTag, SubSessStates::TAcquireMessageOwnership, MeshMachine::TNoTag)

	// Find the tier manager and query it.

	NODEACTIVITY_ENTRY(KNoTag, CTierManagerActivity::TFindTierManager, TECABState<CTierManagerActivity::TAwaitingTierManager>, MeshMachine::TErrorTagOr<MeshMachine::TTag<KNoTag> >)

		LAST_NODEACTIVITY_ENTRY(KErrorTag, MeshMachine::TDoNothing)

	NODEACTIVITY_ENTRY(KNoTag, CTierManagerActivity::TJoinTierManager, TECABState<CoreStates::TAwaitingJoinComplete>, MeshMachine::TNoTag)

	NODEACTIVITY_ENTRY(KNoTag, TQueryTierStatus, TECABState<TAwaitingTierStatus>, MeshMachine::TNoTag)

	THROUGH_NODEACTIVITY_ENTRY(KNoTag, TCacheConnectionInfo, MeshMachine::TNoTag)

	LAST_NODEACTIVITY_ENTRY(KNoTag, TCompleteClient)

NODEACTIVITY_END()

}

namespace ConnectionGoneUpActivity

{

DECLARE_DEFINE_NODEACTIVITY(ECFActivityAny, ConnectionGoneUp, TCFControlClient::TGoneUp)

	FIRST_NODEACTIVITY_ENTRY(CoreNetStates::TAwaitingGoneUp, MeshMachine::TNoTag)

	LAST_NODEACTIVITY_ENTRY(KNoTag, ConnStates::TGenerateConnectionUpProgress)

NODEACTIVITY_END()

}

namespace ConnectionCloseActivity

{ //Cancells all other running activities

DECLARE_DEFINE_CUSTOM_NODEACTIVITY(ECFActivityDestroy, ConnectionClose, TCFInternalEsock::TSubSess, CCloseActivity::New)

	FIRST_NODEACTIVITY_ENTRY(SubSessStates::TAwaitingIPC<ECNClose>, MeshMachine::TNoTag)

	// NOTE: TAcquireMessageOwnership MUST occur before any blocking takes place, otherwise the Player will

	// complete the message upon return from the blocked activity.

	THROUGH_NODEACTIVITY_ENTRY(KNoTag, SubSessStates::TAcquireMessageOwnership, ConnStates::TActiveOrNoTagBlockedByStopOrGoneDown)

	THROUGH_NODEACTIVITY_ENTRY(KActiveTag, ConnStates::TCancelStartOrAttachConnection, ConnStates::TNoTagBlockedByStartOrAttach)

	THROUGH_NODEACTIVITY_ENTRY(KNoTag, SubSessStates::TCancelAndCloseClientExtIfaces, ConnStates::TNoTagOrCancelAllInterfaceWorker)

	// Handshake a shutdown of AllInterfaceNotificationWorker (send TCancel, await TError).

	NODEACTIVITY_ENTRY(ConnStates::KCancelAllInterfaceWorker, ConnStates::TCancelAllInterfaceNotificationWorker, TAwaitingMessageState<TEBase::TError>, MeshMachine::TNoTag)

    THROUGH_NODEACTIVITY_ENTRY(KNoTag, ConnStates::TCancelAllLegacyRMessage2Activities, ConnStates::TNoTagBlockedByLegacyRMessage2Activities)

	NODEACTIVITY_ENTRY(KNoTag, ConnStates::TProcessClose, TECABState<MeshMachine::TAwaitingLeaveComplete>, MeshMachine::TNoTag)

	//TDestroyAwaitingLeaveCompleteLoop loops back to its own triple if more SPs

	NODEACTIVITY_ENTRY(KNoTag, TECABTransition<CoreNetStates::TSetIdleIfNoServiceProviders>, TECABState<MeshMachine::TAwaitingLeaveComplete>, CoreActivities::CDestroyActivity::TNoTagOrNoTagBackwards)

	LAST_NODEACTIVITY_ENTRY(KNoTag, MeshMachine::TDoNothing) //Never gets here

NODEACTIVITY_END()

}

namespace ConnectionStateChangeNotificationActivity

{

DECLARE_DEFINE_CUSTOM_NODEACTIVITY(ECFActivityConnectionStateChangeRequest, ConnectionStateChangeNotification, TCFInternalEsock::TSubSess, CESockClientActivityBase::NewL)

	FIRST_NODEACTIVITY_ENTRY(SubSessStates::TAwaitingIPC<ECNProgressNotification>, MeshMachine::TNoTag)

	THROUGH_NODEACTIVITY_ENTRY(KNoTag, SubSessStates::TAcquireMessageOwnership, MeshMachine::TNoTag)

	//TAwaitingStateChangeLoop also cancels the activity when requested

	NODEACTIVITY_ENTRY(KNoTag, ConnStates::TProcessProgressRequest, TECABState<MeshMachine::TAwaitingMessageState<TCFMessage::TStateChange> >, 		MeshMachine::TNoTagBackward)

	LAST_NODEACTIVITY_ENTRY(KNoTag, MeshMachine::TDoNothing) //Never gets here

NODEACTIVITY_END()

}

namespace ConnectionWaitForIncomingActivity

{ //Synchronised, waits for Start to complete

DECLARE_DEFINE_CUSTOM_NODEACTIVITY(ECFActivityConnectionWaitForIncoming, ConnectionWaitForIncoming, TCFInternalEsock::TSubSess, CStartAttachActivity::NewWaitForIncomingConnectionActivityL)

	FIRST_NODEACTIVITY_ENTRY(SubSessStates::TAwaitingIPC<ECNWaitForIncoming>, MeshMachine::TNoTag)

	THROUGH_NODEACTIVITY_ENTRY(KNoTag, SubSessStates::TAcquireMessageOwnership, MeshMachine::TNoTag)

	//We use ConnStates::TAwaitingBinderResponse (not CoreStates) for custom handling of the Cancel message

	NODEACTIVITY_ENTRY(KNoTag, ConnStates::TRequestIncomingConnectionBlockedByStartAttach, TECABState<CoreNetStates::TAwaitingBinderResponse>, MeshMachine::TNoTag)

	NODEACTIVITY_ENTRY(KNoTag, ConnStates::TProcessIncomingConnection, TECABState<CoreNetStates::TAwaitingBindToComplete>, MeshMachine::TNoTag)

	LAST_NODEACTIVITY_ENTRY(KNoTag, ConnActivities::CStartAttachActivity::TSendBindToComplete)

NODEACTIVITY_END()

}

//

//Activities serving framework requests

namespace ConnectionStateChangeActivity

{

DECLARE_DEFINE_NODEACTIVITY(ECFActivityStateChange, ConnectionStateChange, TCFMessage::TStateChange)

	NODEACTIVITY_ENTRY(KNoTag, ConnStates::TProcessStateChange, MeshMachine::TAwaitingMessageState<TCFMessage::TStateChange>, MeshMachine::TNoTag)

NODEACTIVITY_END()

}

namespace ConnectionGoingDownActivity

{

DECLARE_DEFINE_CUSTOM_NODEACTIVITY(ECFActivityGoneDown, ConnectionGoingDown, TCFControlClient::TGoneDown, PRActivities::CGoneDownActivity::NewL)

	FIRST_NODEACTIVITY_ENTRY(ConnStates::TAwaitingGoneDown, MeshMachine::TNoTag)

	THROUGH_NODEACTIVITY_ENTRY(KNoTag, ConnectionGoingDownActivity::TStoreGoneDownError, MeshMachine::TNoTag)

	THROUGH_NODEACTIVITY_ENTRY(KNoTag, CoreNetStates::TCancelAndCloseZone0ClientExtIfaces, MeshMachine::TNoTag)

    THROUGH_NODEACTIVITY_ENTRY(KNoTag, ConnStates::TCancelAllLegacyRMessage2Activities, ConnStates::TNoTagBlockedByLegacyRMessage2Activities)

    THROUGH_NODEACTIVITY_ENTRY(KNoTag, ConnStates::TGenerateConnectionDownProgress, MeshMachine::TNoTag)

	NODEACTIVITY_ENTRY(KNoTag, CoreNetStates::TSendClientLeavingRequestToServiceProviders, MeshMachine::TAwaitingLeaveComplete, MeshMachine::TNoTag)

	NODEACTIVITY_ENTRY(KNoTag, CoreNetStates::TSetIdleIfNoServiceProviders, MeshMachine::TAwaitingLeaveComplete, ConnectionCleanupActivities::TNoTagOrNoTagBackwards)

    LAST_NODEACTIVITY_ENTRY(KNoTag, MeshMachine::TDoNothing)

NODEACTIVITY_END()

}

//

//Activities serving framework requests for legacy actions

namespace ConnectionClientEnumActivity

{

DECLARE_DEFINE_NODEACTIVITY(ECFActivityLegacyConnEnumResponse, ConnectionEnumResponse, TCFInternalEsock::TLegacyConnectionEnumResponse)

	NODEACTIVITY_ENTRY(KNoTag, ConnStates::TProcessEnumResponse, ConnStates::TAwaitingEnumResponse, MeshMachine::TNoTag)

NODEACTIVITY_END()

}

//

//CConn usually is a cntrl client of a default subconnection.

//The subconnection will send events, which must be handled to avoid leakages

namespace ConnSubConnectionEventNotification

{

DECLARE_DEFINE_NODEACTIVITY(ECFActivityConnectionWaitForIncoming, SubConEvent, TCFSubConnControlClient::TSubConnNotification)

	NODEACTIVITY_ENTRY(KNoTag, SubSessStates::TBinEvent, CoreNetStates::TAwaitingSubConEvent, MeshMachine::TNoTag)

NODEACTIVITY_END()

}

namespace ConnSubConnEventsActivity

{

DECLARE_DEFINE_NODEACTIVITY(ECFActivityConnSubConnEvents, ConnSubConnEvents, TNodeSignal::TNullMessageId)

	NODEACTIVITY_ENTRY(KNoTag, ConnSubConnEventsActivity::TProcessSubConnEvent, ConnSubConnEventsActivity::TAwaitingSubConnEvent, MeshMachine::TNoTag)

NODEACTIVITY_END()

}

namespace ConnLegacyRMessage2Activity

{

DECLARE_DEFINE_CUSTOM_NODEACTIVITY(ECFActivityConnectionLegacyRMessage2Handler, ConnectionLegacyRMessage2, TNodeSignal::TNullMessageId, CConnLegacyRMessage2Activity::NewL)

    FIRST_NODEACTIVITY_ENTRY(CoreNetStates::TAwaitingLegacyRMessage2Ext, MeshMachine::TNoTag)

    NODEACTIVITY_ENTRY(KNoTag, ConnStates::TProcessLegacyRMessage2, TAcceptErrorState<CoreNetStates::TAwaitingRMessage2Processed>, MeshMachine::TNoTagOrErrorTag)

    LAST_NODEACTIVITY_ENTRY(KNoTag, ConnStates::TCompleteRMessage2)

    LAST_NODEACTIVITY_ENTRY(KErrorTag, ConnStates::THandleRMessage2Error)

NODEACTIVITY_END()

}

namespace ConnectionActivities

{

DECLARE_DEFINE_ACTIVITY_MAP(connectionActivities)

	//-----Framework originated activities-----//

	ACTIVITY_MAP_ENTRY(ConnectionStateChangeActivity, ConnectionStateChange)

	ACTIVITY_MAP_ENTRY(ConnectionGoingDownActivity, ConnectionGoingDown)

	ACTIVITY_MAP_ENTRY(ConnSubConnectionEventNotification, SubConEvent)

	ACTIVITY_MAP_ENTRY(ConnSubConnEventsActivity, ConnSubConnEvents)

	ACTIVITY_MAP_ENTRY(ConnectionStopSCPRActivity, ConnectionStopSCPR)

	ACTIVITY_MAP_ENTRY(ConnectionGoneUpActivity,ConnectionGoneUp)

	//-----Client (IPC) originated activities-----//

	ACTIVITY_MAP_ENTRY(ConnectionWaitForIncomingActivity, ConnectionWaitForIncoming)

	ACTIVITY_MAP_ENTRY(ConnectionCloseActivity, ConnectionClose)

	ACTIVITY_MAP_ENTRY(ConnectionStartActivity, ConnectionStart)

	ACTIVITY_MAP_ENTRY(ConnectionAttachActivity, ConnectionAttach)

	ACTIVITY_MAP_ENTRY(ConnectionStateChangeNotificationActivity, ConnectionStateChangeNotification)

	ACTIVITY_MAP_ENTRY(ConnectionStopActivity, ConnectionStop)

	ACTIVITY_MAP_ENTRY(ConnLegacyRMessage2Activity, ConnectionLegacyRMessage2)

#ifdef AVAILABILITY_READY

	ACTIVITY_MAP_ENTRY(EnumerateConnectionsActivity, EnumerateConnections)

#endif

	//-----Responses from Data plane to legacy queries-----//

	ACTIVITY_MAP_ENTRY(ConnectionClientEnumActivity, ConnectionEnumResponse)

ACTIVITY_MAP_END()

}

// attribute table for CConnectionIfno

START_ATTRIBUTE_TABLE(CConnectionInfo, CConnectionInfo::EUid, CConnectionInfo::ETypeId)

END_ATTRIBUTE_TABLE()

namespace ESock

{

CConnectionInfo* CConnectionInfo::NewL(const Den::TSubSessionUniqueId& aSubSessionId)

	{

	return new(ELeave) CConnectionInfo(aSubSessionId);

	}

}

/**

Constructor

*/

CConnection::CConnection(CSockSession* aSession, CPlayer* aPlayer, TUid aTierId, const Den::TSubSessionUniqueId aSubSessionUniqueId)

:	CMMSockSubSession(ConnectionActivities::connectionActivities::Self(), aSession, aPlayer, aSubSessionUniqueId),

    ASubSessionPlatsecApiExt(UniqueId()),

    TIfStaticFetcherNearestInHierarchy(this),

	iLastProgress(KConnectionUninitialised, KErrNone),

	iLastProgressError(KConnectionUninitialised, KErrNone),

    iTierId(aTierId),

    iLegacyConnection(*this)

	{

	LOG_NODE_CREATE1(KESockConnectionTag, CConnection, ", session %08x", aSession);

	}

/**

Destructor

*/

CConnection::~CConnection()

	{

	//Do not call CConnection::FinalCompleteAllBlockedMessages from here!

	//At this stage we must be completed.

	iLegacyConnection.FinalCompleteAllBlockedMessages(KErrCancel); //complete any outstanding legacy messages

	delete iConnectionInfo;

    LOG_NODE_DESTROY(KESockConnectionTag, CConnection);

	}

//MZTODO - only client activities? Is this a shutdown?

//Signal from subsession to abbort all (client?) activities (always KErrAbort)

void CConnection::FinalCompleteAllBlockedMessages(TInt /*aResult*/)

	{

	TNodeNullContext ctx(*this);

	AbortActivitiesOriginatedBy(ctx); //Abort all activities

	iLegacyConnection.FinalCompleteAllBlockedMessages(KErrCancel); //complete any outstanding legacy messages

	}

void CConnection::Received(TNodeContextBase& aContext)

    {

    TNodeSignal::TMessageId noPeerIds[] = {

    	TCFInternalEsock::TSubSess::Id(),

    	TEBase::TError::Id(), //May be comming from the CSR

    	TCFInternalEsock::TLegacyConnectionEnumResponse::Id(),	// self-dispatching helper from the data plane

    	TNodeSignal::TMessageId()	// list terminator

    	};

	MeshMachine::AMMNodeBase::Received(noPeerIds, aContext);

	MeshMachine::AMMNodeBase::PostReceived(aContext);

	}

void CConnection::ReceivedL(const TRuntimeCtxId& aSender, const TNodeId& aRecipient, TSignatureBase& aCFMessage)

    {

	ESOCK_DEBUG_MESSAGE_INTERCEPT(aSender, aCFMessage, Id());

	//First check if this is not our own error

	TEBase::TError* msg = message_cast<TEBase::TError>(&aCFMessage);

	if (msg	&& aSender == Id() && msg->iMsgId == TCFInternalEsock::TSubSess::Id())

		{

		//This is our own error, generated from the client (IPC) activity

		//It is safe to just ignore it here, as the activity is

		//completed (and so is the client RMessage2). If the activity didn't have

		//the chance to acquire ownership of the message it is still safe to ignore it

		//because there was no call to DoNotCompleteCurrentMessage().

		return;

		}

	TNodeContext<CConnection> ctx(*this, aCFMessage, aSender, aRecipient);

    CConnection::Received(ctx);

    User::LeaveIfError(ctx.iReturn);

	}

void CConnection::ForwardToServiceProviderL(const TSignalBase& aCFMessage)

	{

	RNodeInterface* sp = ServiceProvider();

	User::LeaveIfError(sp? KErrNone : KErrNotReady);

	sp->PostMessage(Id(), aCFMessage);

	}

CConnection* CConnection::NewLC(CSockSession *aSession, CPlayer* aPlayer, TUid aId, const Den::TSubSessionUniqueId aSubSessionUniqueId)

/**

Create a new CConnection instance

@param aSession Session under which CConnection was created

@param aId Type Id of CConnection

@return pointer to new CConnection instance on success

@exception leaves if could not allocate memory

*/

	{

	CConnection* h = new (ELeave) CConnection(aSession, aPlayer, aId, aSubSessionUniqueId);

	CleanupStack::PushL(h);

	h->ConstructL();

	ESOCK_DEBUG_REGISTER_GENERAL_NODE(ESockDebug::KConnectionNodeUid, h);

	return h;

	}

CConnection* CConnection::NewLC(CSockSession* aSession, CPlayer* aPlayer, const CConnection& aExistingConnection, const Den::TSubSessionUniqueId aSubSessionUniqueId)

/**

Create a new CConnection object associated with the same interface as that of an existing CConnection object.

@param aSession Session under which CConnection was created

@param aExistingConnection Existing CConnection object whose interface to associate with

@return pointer to new CConnection instance on success

@exception leaves if could not allocate memory

*/

	{

	CConnection* h = new (ELeave) CConnection(aSession, aPlayer, aExistingConnection.iTierId, aSubSessionUniqueId);

	CleanupStack::PushL(h);

	h->ConstructL();

	h->CloneL(aExistingConnection);

	return h;

	}

void CConnection::ConstructL()

	{

	MeshMachine::AMMNodeBase::ConstructL(KConnectionPreallocatedActivityBufferSize);

	CSockSubSession::ConstructL(NULL);

	iConnectionInfo = CConnectionInfo::NewL(UniqueId());

	}

void CConnection::CloneL(const CConnection& aExistingConnection)

/**

Main body of CConnection::NewL(CSockSession* aSession, const CConnection& aExistingConnection)

*/

	{

	// will need to be brought over

	iLastProgress = aExistingConnection.iLastProgress;

	iLastProgressError = aExistingConnection.iLastProgressError;

	iProgressQueue = aExistingConnection.iProgressQueue;

	/*

	  This function looks like it'd be better to do in one loop. dont do this though. All fallible parts need to be done before