datacommsserver/esockserver/ssock/ss_nodeinterfaces.cpp
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     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 //
       
    15 
       
    16 /**
       
    17  @file SS_NODEINTERFACES.CPP
       
    18 */
       
    19 
       
    20 #include <comms-infras/ss_log.h>
       
    21 #include <comms-infras/ss_dispatchers.h>
       
    22 #include <comms-infras/ss_nodemessages.h>
       
    23 #include <comms-infras/ss_api_ext.h>
       
    24 #include <elements/interfacetable.h>
       
    25 #include <elements/metatype.h>
       
    26 
       
    27 
       
    28 #ifdef _DEBUG
       
    29 // Panic category for "absolutely impossible!" vanilla ASSERT()-type panics from this module
       
    30 // (if it could happen through user error then you should give it an explicit, documented, category + code)
       
    31 _LIT(KSpecAssert_ESockSSocksndntr, "ESockSSocksndntr");
       
    32 #endif
       
    33 
       
    34 using namespace ESock;
       
    35 using namespace Messages;
       
    36 using namespace MeshMachine;
       
    37 
       
    38 EXPORT_C void TCFItfExt::ForwardMessageL(const TRuntimeCtxId& aSender,
       
    39                                          TSignalBase& aMessage,
       
    40                                          Messages::ANode& aNode,
       
    41                                          const TClientType& aClientType,
       
    42                                          const TClientType& aClientTypeExclude)
       
    43 	{
       
    44 	NetInterfaces::TInterfaceControl* ic = NULL;
       
    45     ic = aNode.FetchNodeInterfaceControlL(AMMNodeBase::KInterfaceId);
       
    46     MeshMachine::AMMNodeBase* nodeBase = reinterpret_cast<MeshMachine::AMMNodeBase*>(ic->FetchInterfaceL(AMMNodeBase::KInterfaceId));
       
    47 
       
    48     RNodeInterface* recp;
       
    49     if(aClientType.Type() == TCFClientType::ECtrl)
       
    50     	{
       
    51 		recp = nodeBase->GetFirstClient<TDefaultClientMatchPolicy>(TClientType(TCFClientType::EServProvider),aClientTypeExclude);
       
    52     	}
       
    53     else
       
    54 		{
       
    55 		recp = nodeBase->GetFirstClient<TDefaultClientMatchPolicy>(TClientType(TCFClientType::ECtrlProvider),aClientTypeExclude);
       
    56 		}
       
    57 
       
    58     if(recp)
       
    59     	{
       
    60     	recp->PostMessage(aSender, aMessage);
       
    61     	}
       
    62 	else
       
    63 		{
       
    64 		User::Leave(KErrNotFound);
       
    65 		}
       
    66 	}
       
    67 
       
    68 
       
    69 EXPORT_C TAny* TCFItfExt::FetchInterfaceL(Messages::ANode& aNode, TInt aInterface)
       
    70 	{
       
    71 	NetInterfaces::TInterfaceControl* ic = NULL;
       
    72 	ic = aNode.FetchNodeInterfaceControlL(aInterface);
       
    73 
       
    74 	return ic->FetchInterfaceL(aInterface);
       
    75 	}
       
    76 
       
    77 
       
    78 EXPORT_C TAny* TCFItfExt::FetchInterfaceOrForwardMsgL(const TRuntimeCtxId& aSender,
       
    79                                                       TSignalBase& aMessage,
       
    80                                                       Messages::ANode& aNode,
       
    81                                                       TInt aInterface,
       
    82                                                       const TClientType& aClientType,
       
    83                                                       const TClientType& aClientTypeExclude)
       
    84     {
       
    85 	TAny* itf = NULL;
       
    86 	TRAPD(ret, itf = FetchInterfaceL(aNode, aInterface));
       
    87 
       
    88 	switch(ret)
       
    89 		{
       
    90 	case KErrNone:
       
    91 		return itf;
       
    92 
       
    93 	case KErrInterfaceNotSupported:
       
    94 		ForwardMessageL(aSender, aMessage, aNode, aClientType, aClientTypeExclude);
       
    95 		break;
       
    96 
       
    97 	default:
       
    98         __ASSERT_DEBUG(EFalse, User::Panic(KSpecAssert_ESockSSocksndntr, 1)); //unreachable
       
    99         User::Leave(ret);
       
   100         break;
       
   101 		}
       
   102 
       
   103 	//Never gets here
       
   104 	return NULL;
       
   105     }
       
   106 
       
   107 
       
   108 EXPORT_C NetInterfaces::TInterfaceControl* TCFItfExt::FetchInterfaceControlOrForwardMsgL(const TRuntimeCtxId& aSender,
       
   109                                                                                          TSignalBase& aMessage,
       
   110                                                                                          Messages::ANode& aNode,
       
   111 																			 			 TInt aInterface,
       
   112 								  		   		  							  			 const TClientType& aClientType,
       
   113 								  		   		  							  			 const TClientType& aClientTypeExclude)
       
   114 	{
       
   115 	NetInterfaces::TInterfaceControl* ic = NULL;
       
   116 	TRAPD(ret, ic = aNode.FetchNodeInterfaceControlL(aInterface));
       
   117 
       
   118 	switch(ret)
       
   119 		{
       
   120 	case KErrNone:
       
   121 		return ic;
       
   122 
       
   123 	case KErrInterfaceNotSupported:
       
   124 		ForwardMessageL(aSender, aMessage, aNode, aClientType, aClientTypeExclude);
       
   125 		break;
       
   126 
       
   127 	default:
       
   128         User::Leave(ret);
       
   129         __ASSERT_DEBUG(EFalse, User::Panic(KSpecAssert_ESockSSocksndntr, 2)); //unreachable
       
   130         break;
       
   131 		}
       
   132 
       
   133 	//Never gets here
       
   134 	return NULL;
       
   135 	}
       
   136 
       
   137 EXPORT_C void TCFSigRMessage2Ext::Error(const TRuntimeCtxId& /*aSender*/, const TRuntimeCtxId& /*aRecipient*/, TInt aError)
       
   138     {
       
   139 	LOG( ESockLog::Printf(KESockDCMsgs, _L8( "TCFSigRMessage2Ext:\tError(): completing message (%08X) with %d" ),
       
   140 			iMessage.Handle(), aError) );
       
   141     
       
   142     if ( !iMessage.IsNull() )
       
   143         {
       
   144         iMessage.Complete(aError);
       
   145         }
       
   146     }
       
   147 
       
   148 EXPORT_START_ATTRIBUTE_TABLE_AND_FN( TCFSigRMessage2Ext, 0, 0 ) //has to be derived from
       
   149 	REGISTER_ATTRIBUTE( TCFSigRMessage2Ext, iMessage, TMeta<RMessage2> )
       
   150 END_ATTRIBUTE_TABLE_BASE(TSignalBase, 0)
       
   151 
       
   152