networkcontrol/ipnetworklayer/src/nif6.cpp
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     1 // Copyright (c) 2005-2009 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 // CNifIfBase and CProtocolBase shim layer functionality
       
    15 // 
       
    16 //
       
    17 
       
    18 /**
       
    19  @file nif.cpp
       
    20 */
       
    21 
       
    22 #include <e32base.h>
       
    23 #include <comms-infras/ss_subconnflow.h>
       
    24 #include <comms-infras/ss_protflow.h>
       
    25 
       
    26 #include "in_sock.h"
       
    27 #include "in_iface.h"
       
    28 #include "in6_if.h"
       
    29 
       
    30 #include "nif6.h"
       
    31 #include "notify.h"
       
    32 #include "panic.h"
       
    33 #include "IPProtoDeMux.h"
       
    34 
       
    35 using namespace ESock;
       
    36 
       
    37 //
       
    38 // CIPShimIfBase methods //
       
    39 //
       
    40 
       
    41 CIPShimIfBase6* CIPShimIfBase6::NewL(const TDesC8& aProtocolName)
       
    42 	{
       
    43 	CIPShimIfBase6* p = new (ELeave) CIPShimIfBase6(aProtocolName);
       
    44 	CleanupStack::PushL(p);
       
    45 	p->ConstructL();
       
    46 	CleanupStack::Pop(p);
       
    47 	return p;
       
    48 	}
       
    49 
       
    50 CIPShimIfBase6::CIPShimIfBase6(const TDesC8& aProtocolName)
       
    51   : CIPShimIfBase(aProtocolName)
       
    52 	{
       
    53 	iConfig6.iFamily = KAFUnspec;
       
    54 	}
       
    55 
       
    56 TInt CIPShimIfBase6::ServiceInfoControl(TDes8& aOption, TUint aName)
       
    57 /**
       
    58 Service KSoIfInfo/KSoIfInfo6 calls from upper protocol
       
    59 */
       
    60 	{
       
    61 	TBinderInfo* ourInfo = NULL;
       
    62 	// Validate the size of structure passed in
       
    63 	switch (aName)
       
    64 		{
       
    65 	case KSoIfInfo:
       
    66 		return KErrNotSupported;
       
    67 			
       
    68 	case KSoIfInfo6:
       
    69 		ASSERT(aOption.Length() == sizeof(TSoIfInfo6));
       
    70 		if (iConfig6.iFamily != KAfInet6)
       
    71 			{
       
    72 			return KErrNotSupported;
       
    73 			}
       
    74 		ourInfo = &iConfig6.iInfo;
       
    75 		break;
       
    76 	default:
       
    77 		Panic(EBadInfoControlOption);
       
    78 		}
       
    79 
       
    80 	TUint8* ptr = const_cast<TUint8*>(aOption.Ptr());
       
    81 	TSoIfInfo& info = reinterpret_cast<TSoIfInfo&>(*ptr);
       
    82 
       
    83 	// Fill in iFeatures, iMtu, iSpeedMetric
       
    84 	info.iFeatures = ourInfo->iFeatures;
       
    85 	info.iSpeedMetric = ourInfo->iSpeedMetric;
       
    86 	info.iMtu = ourInfo->iMtu;
       
    87 	
       
    88 	if (aName == KSoIfInfo6)
       
    89 		{
       
    90 		TSoIfInfo6& info = reinterpret_cast<TSoIfInfo6&>(*ptr);
       
    91 		// For IP6, also fill in iRMtu
       
    92 		info.iRMtu = ourInfo->iRMtu;
       
    93 		}
       
    94 		
       
    95 	return KErrNone;
       
    96 	}
       
    97 
       
    98 TInt CIPShimIfBase6::ServiceConfigControl(TDes8& aOption)
       
    99 /**
       
   100 Service KSoIfConfig calls from upper protocol
       
   101 */
       
   102 	{
       
   103 	TUint8* ptr = const_cast<TUint8*>(aOption.Ptr());
       
   104 
       
   105 	TUint family = reinterpret_cast<TSoIfConfigBase&>(*ptr).iFamily;
       
   106 	
       
   107 	switch (family)
       
   108 		{
       
   109 	case KAfInet6:					// IP6
       
   110 		{
       
   111 		ASSERT(aOption.Length() == sizeof(TSoInet6IfConfig));
       
   112 		TSoInet6IfConfig& cf = reinterpret_cast<TSoInet6IfConfig&>(*ptr);
       
   113 		
       
   114 		if (iConfig6.iFamily != KAfInet6)
       
   115 			{
       
   116 			return KErrNotSupported;
       
   117 			}
       
   118 		else
       
   119 			{
       
   120 			cf.iLocalId = iConfig6.iLocalId;
       
   121 			cf.iRemoteId = iConfig6.iRemoteId;
       
   122 			cf.iNameSer1 = iConfig6.iNameSer1;
       
   123 			cf.iNameSer2 = iConfig6.iNameSer2;
       
   124 			}
       
   125 		}
       
   126 		break;
       
   127 	
       
   128 	default:
       
   129 		Panic(EBadConfigControlFamily);
       
   130 		break;
       
   131 		}
       
   132 		
       
   133 	return KErrNone;
       
   134 	}
       
   135 
       
   136 
       
   137 void CIPShimIfBase6::GetConfigFirstTime()
       
   138 /**
       
   139 Retrieve the IP4/IP6 configuration information from the lower binder, if
       
   140 we haven't already done so.
       
   141 */
       
   142 	{
       
   143 	if (iConfig6.iFamily == KAFUnspec)
       
   144 		{
       
   145 		// retrieve the configuration information into the iConfig4/6 union (we are
       
   146 		// just specifying the address of the first data type in the union, but
       
   147 		// it equally specifies iConfig6).
       
   148 		
       
   149 		TBinderConfig& config = iConfig6;
       
   150 		if(iProtoBinders[0]->iLowerControl->GetConfig(config) != KErrNone)
       
   151 			Panic(EBinderConfigNotSupported);
       
   152 
       
   153 		iConfig6.iFamily = config.iFamily;
       
   154 		ASSERT(iConfig6.iFamily == KAfInet6);
       
   155 		}		
       
   156 	}
       
   157