1 // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // PPP SCpr

    15 // 

    16 //

    17 

    18 /**

    19  @file

    20  @internalComponent

    21 */

    22 

    23 

    24 #include <comms-infras/linkmessages.h>

    25 #include <comms-infras/nifif.h>

    26 #include "pppscpr.h"

    27 #include "pppmessages.h"

    28 #include "CAgentAdapter.h"

    29 

    30 #include <elements/sd_mintercept.h>

    31 

    32 using namespace Messages;

    33 using namespace ESock;

    34 using namespace MeshMachine;

    35 

    36 #ifdef __CFLOG_ACTIVE

    37 #define KPppSCprTag KESockSubConnectionTag

    38 _LIT8(KPppSCprSubTag, "pppscpr");

    39 #endif

    40 

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

    42 //node: destroy and data client stop.

    43 static const TUint KDefaultMaxPreallocatedActivityCount = 2;

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

    45 static const TUint KPPPSCPRPreallocatedActivityBufferSize = KDefaultMaxPreallocatedActivityCount * KMaxPreallocatedActivitySize;

    46 

    47 namespace PppSCprStates

    48 {

    49 

    50 

    51 DEFINE_SMELEMENT(TAwaitingPppLinkStatusChange, NetStateMachine::MState, PppSCprStates::TContext)

    52 TBool TAwaitingPppLinkStatusChange::Accept()

    53 	{

    54 	return iContext.iMessage.IsMessage<TPPPMessage::TPppLinkExpectingCallback>();

    55 	}

    56 

    57 DEFINE_SMELEMENT(TProcessPppLinkStatusChange, NetStateMachine::MStateTransition, PppSCprStates::TContext)

    58 void TProcessPppLinkStatusChange::DoL()

    59     {

    60    

    61     /* ------------------------------------------------------

    62      * Logic from Nifman's CNifAgentRef::LinkLayerDown

    63      * ------------------------------------------------------

    64      * iState is the state held in the CAgentAdapter

    65      *

    66      * iState = EConnecting;

    67      * iConnectType=EAgentStartCallBack;

    68      * iAgent->Connect(iConnectType);

    69      */

    70 

    71     iContext.Node().NotificationToAgent (EFlowToAgentEventTypeLinkLayerDown, NULL);

    72     iContext.Node().ConnectAgent(EAgentStartCallBack);

    73     }

    74 

    75 } // namespace PppSCprStates

    76 

    77 

    78 

    79 

    80 

    81 namespace PppSCprLinkStatusChangeActivity

    82 {

    83 DECLARE_DEFINE_NODEACTIVITY(ECFPppLinkStatusChangeActivity, PppLinkStatusChange, TPPPMessage::TPppLinkExpectingCallback)

    84 	FIRST_NODEACTIVITY_ENTRY(PppSCprStates::TAwaitingPppLinkStatusChange, MeshMachine::TNoTag)

    85     LAST_NODEACTIVITY_ENTRY(KNoTag, PppSCprStates::TProcessPppLinkStatusChange)

    86 NODEACTIVITY_END()

    87 }

    88 

    89 

    90 // PPP Activity Map

    91 namespace PppSCprActivities

    92 {

    93 DECLARE_DEFINE_ACTIVITY_MAP(pppSCprActivities)

    94    ACTIVITY_MAP_ENTRY(PppSCprLinkStatusChangeActivity, PppLinkStatusChange)

    95 ACTIVITY_MAP_END_BASE(AgentSCprActivities, agentSCprActivities)

    96 }

    97 

    98 

    99 // Basic constructor passing in an alternative activity map for the AgentSCpr

   100 CPppSubConnectionProvider* CPppSubConnectionProvider::NewL(ESock::CSubConnectionProviderFactoryBase& aFactory)

   101     {

   102     CPppSubConnectionProvider* self = new (ELeave) CPppSubConnectionProvider(aFactory, PppSCprActivities::pppSCprActivities::Self());

   103     CleanupStack::PushL(self);

   104     self->ConstructL(KPPPSCPRPreallocatedActivityBufferSize);

   105     CleanupStack::Pop();

   106     return self;

   107     }

   108 

   109 

   110 // C'tor

   111 CPppSubConnectionProvider::CPppSubConnectionProvider(ESock::CSubConnectionProviderFactoryBase& aFactory,

   112 	    const MeshMachine::TNodeActivityMap& aActivityMap)

   113 	: CAgentSubConnectionProvider(aFactory, aActivityMap)

   114     {

   115     // NOTE: We don't do a LOG_CREATE_NODE here because its already being done by

   116     // the base class. This class doesn't add anything and only overrides the activity

   117     // map. So for all intents and purposes this is still just an AgentSCpr.

   118     }

   119 

   120 

   121 

   122