wlan_bearer/wlannwif/src/wlanmcpr.cpp
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     1 /*
       
     2 * Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:  Implements WLAN meta connection provider
       
    15 *
       
    16 */
       
    17 
       
    18 /*
       
    19 * %version: 8 %
       
    20 */
       
    21 
       
    22 #include <comms-infras/ss_log.h>
       
    23 #include <comms-infras/agentmcpractivities.h>
       
    24 #include <comms-infras/coremcpractivities.h>
       
    25 #include <comms-infras/ss_tiermanagerutils.h>
       
    26 #include <comms-infras/ss_msgintercept.h>
       
    27 #include "wlanmcpr.h"
       
    28 #include "WlanProvision.h"
       
    29 #include "am_debug.h"
       
    30 
       
    31 
       
    32 using namespace ESock;
       
    33 using namespace NetStateMachine;
       
    34 using namespace MCprActivities;
       
    35 using namespace WlanMCprStates;
       
    36 using namespace Messages;
       
    37 
       
    38 
       
    39 
       
    40 // No Bearer Activity
       
    41 namespace WlanMCPRNoBearerActivity
       
    42 {
       
    43 DECLARE_DEFINE_NODEACTIVITY(ECFActivityNoBearer, WlanMCPRNoBearer, TCFControlProvider::TNoBearer)
       
    44 	FIRST_NODEACTIVITY_ENTRY(CoreNetStates::TAwaitingNoBearer, MeshMachine::TNoTag)
       
    45 	LAST_NODEACTIVITY_ENTRY(MeshMachine::KNoTag, CoreNetStates::TSendBearer)
       
    46 NODEACTIVITY_END()
       
    47 }
       
    48 
       
    49 
       
    50 
       
    51 // Activity Map
       
    52 namespace WlanMCprStates
       
    53 {
       
    54 DEFINE_EXPORT_ACTIVITY_MAP(stateMap)
       
    55 	ACTIVITY_MAP_ENTRY(WlanMCPRNoBearerActivity, WlanMCPRNoBearer)
       
    56 ACTIVITY_MAP_END_BASE(AgentMCprActivities, agentMCprActivities)
       
    57 } // namespace WlanMCprStates
       
    58 
       
    59 //-=========================================================
       
    60 //
       
    61 //CWlanMetaConnectionProvider implementation
       
    62 //
       
    63 //-=========================================================
       
    64 
       
    65 // -----------------------------------------------------------------------------
       
    66 // CWlanMetaConnectionProvider::NewL
       
    67 // -----------------------------------------------------------------------------
       
    68 //
       
    69 EXPORT_C CWlanMetaConnectionProvider* CWlanMetaConnectionProvider::NewL(ESock::CMetaConnectionProviderFactoryBase& aFactory, const TProviderInfo& aProviderInfo)
       
    70     {
       
    71     CWlanMetaConnectionProvider* self = new (ELeave) CWlanMetaConnectionProvider(aFactory, aProviderInfo, WlanMCprStates::stateMap::Self());
       
    72     CleanupStack::PushL(self);
       
    73     self->ConstructL();
       
    74     CleanupStack::Pop(self);
       
    75     return self;
       
    76     }
       
    77 
       
    78 // -----------------------------------------------------------------------------
       
    79 // CWlanMetaConnectionProvider::ConstructL
       
    80 // -----------------------------------------------------------------------------
       
    81 //
       
    82 EXPORT_C void CWlanMetaConnectionProvider::ConstructL()
       
    83 	{
       
    84 	CAgentMetaConnectionProvider::ConstructL();
       
    85 	SetAccessPointConfigFromDbL();
       
    86 	}
       
    87 
       
    88 // -----------------------------------------------------------------------------
       
    89 // CWlanMetaConnectionProvider::CWlanMetaConnectionProvider
       
    90 // -----------------------------------------------------------------------------
       
    91 //
       
    92 EXPORT_C CWlanMetaConnectionProvider::CWlanMetaConnectionProvider(CMetaConnectionProviderFactoryBase& aFactory,
       
    93     								const ESock::TProviderInfo& aProviderInfo,
       
    94 									const MeshMachine::TNodeActivityMap& aActivityMap)
       
    95 :	CAgentMetaConnectionProvider(aFactory,aProviderInfo,aActivityMap)
       
    96 	{
       
    97 	
       
    98 	}
       
    99 
       
   100 // -----------------------------------------------------------------------------
       
   101 // CWlanMetaConnectionProvider::~CWlanMetaConnectionProvider
       
   102 // -----------------------------------------------------------------------------
       
   103 //
       
   104 EXPORT_C CWlanMetaConnectionProvider::~CWlanMetaConnectionProvider()
       
   105 	{
       
   106 	
       
   107 	}
       
   108 
       
   109 // -----------------------------------------------------------------------------
       
   110 // CWlanMetaConnectionProvider::ReceivedL
       
   111 // -----------------------------------------------------------------------------
       
   112 //
       
   113 EXPORT_C void CWlanMetaConnectionProvider::ReceivedL(const TRuntimeCtxId& aSender, const TNodeId& aRecipient, TSignatureBase& aMessage)
       
   114     {
       
   115     DEBUG1("CWlanMetaConnectionProvider::ReceivedL, aCFMessage=%d", aMessage.MessageId().MessageId());
       
   116 
       
   117 	//ESOCK_DEBUG_MESSAGE_INTERCEPT(aSender, aMessage, aRecipient);
       
   118 	
       
   119 	MeshMachine::TNodeContext<CWlanMetaConnectionProvider> ctx(*this, aMessage, aSender, aRecipient);
       
   120     CCoreMetaConnectionProvider::Received(ctx);
       
   121     User::LeaveIfError(ctx.iReturn);
       
   122 	}
       
   123 
       
   124 // -----------------------------------------------------------------------------
       
   125 // CWlanMetaConnectionProvider::SetAccessPointConfigFromDbL
       
   126 // -----------------------------------------------------------------------------
       
   127 //
       
   128 void CWlanMetaConnectionProvider::SetAccessPointConfigFromDbL()
       
   129     {
       
   130     DEBUG("CWlanMetaConnectionProvider::SetAccessPointConfigFromDbL");
       
   131     
       
   132     RMetaExtensionContainer mec;
       
   133     static_cast<void>(mec.Open(AccessPointConfig()));
       
   134     CleanupClosePushL(mec);
       
   135     
       
   136     // Open an IAP specific view on CommsDat
       
   137 	CCommsDatIapView* iapView = OpenIapViewLC();
       
   138 	
       
   139 	// Presumptions:
       
   140 	// - none of the extensions can already exist in the AccessPointConfig array.  AppendExtensionL()
       
   141 	//   is presumed to panic if adding the same extension a second time.
       
   142 	// - if we have added several extensions to the AccessPointConfig array before getting a failure
       
   143 	//   and leaving, it is presumed that the MCPr will be destroyed and AccessPointConfig destructor
       
   144 	//   will clean up the extensions immediately afterwards.
       
   145 	
       
   146     ProvisionNetworkConfigL(iapView, mec);
       
   147     
       
   148     CleanupStack::PopAndDestroy(); // CloseIapView();
       
   149     
       
   150     AccessPointConfig().Close();
       
   151     AccessPointConfig().Open(mec);
       
   152     CleanupStack::PopAndDestroy(&mec);
       
   153 	}
       
   154 
       
   155 // -----------------------------------------------------------------------------
       
   156 // CWlanMetaConnectionProvider::ProvisionNetworkConfigL
       
   157 // -----------------------------------------------------------------------------
       
   158 //
       
   159 void CWlanMetaConnectionProvider::ProvisionNetworkConfigL(CCommsDatIapView* aIapView, ESock::RMetaExtensionContainer& aMec)
       
   160     {
       
   161 	HBufC* buf = NULL;
       
   162     aIapView->GetTextL(KCDTIdLANIfNetworks, buf);
       
   163     CleanupStack::PushL(buf);
       
   164     if (buf->Length() == 0) 
       
   165         {
       
   166         User::Leave(KErrCorrupt);
       
   167         }
       
   168 
       
   169     TPtrC16 networks;
       
   170     networks.Set(*buf);
       
   171     TPtrC16 current;
       
   172     TUint32 order = 0;
       
   173     TInt commaPos = 0;
       
   174     while (commaPos != KErrNotFound) 
       
   175         {
       
   176         commaPos = networks.LocateF(',');
       
   177         if (commaPos == KErrNotFound) 
       
   178             {
       
   179             // take all of string
       
   180             current.Set(networks);
       
   181             }
       
   182         else
       
   183             {
       
   184             current.Set(networks.Ptr(), commaPos);
       
   185             }
       
   186         
       
   187         if (!current.CompareF(_L("ip"))) 
       
   188             {
       
   189             ProvisionIp4ConfigL(aIapView, order, aMec);
       
   190             }
       
   191         else if (!current.CompareF(_L("ip6"))) 
       
   192             {
       
   193             ProvisionIp6ConfigL(aIapView, order, aMec);
       
   194             }
       
   195         else 
       
   196             {
       
   197             User::Leave(KErrCorrupt);
       
   198             }
       
   199         
       
   200         order++;
       
   201         networks.Set(networks.Mid(commaPos+1));
       
   202         }
       
   203     
       
   204     CleanupStack::PopAndDestroy(buf);
       
   205     }
       
   206     
       
   207 // -----------------------------------------------------------------------------
       
   208 // CWlanMetaConnectionProvider::ProvisionIp4ConfigL
       
   209 // -----------------------------------------------------------------------------
       
   210 //
       
   211 void CWlanMetaConnectionProvider::ProvisionIp4ConfigL(CCommsDatIapView* aIapView, TUint32 aOrder, ESock::RMetaExtensionContainer& aMec)
       
   212     {
       
   213 	TLanIp4Provision* ip4Provision = new (ELeave) TLanIp4Provision;
       
   214 	CleanupStack::PushL(ip4Provision);
       
   215 	
       
   216 	ip4Provision->SetOrder(aOrder);
       
   217 	
       
   218 	// Read IP address configuration parameters
       
   219 	TBool serverRequired;
       
   220 	aIapView->GetBoolL(KCDTIdLANIpAddrFromServer, serverRequired);
       
   221 
       
   222 	TUint32 addr;
       
   223 	TInt err;
       
   224 
       
   225 	ip4Provision->SetLocalAddr(KInetAddrNone);
       
   226 	ip4Provision->SetNetMask(KInetAddrNone);
       
   227 	ip4Provision->SetDefGateway(KInetAddrNone);
       
   228 	
       
   229 	if (!serverRequired)
       
   230 		{
       
   231 		GetIp4AddrL(aIapView, KCDTIdLANIpAddr, addr);
       
   232   		ip4Provision->SetLocalAddr(addr);
       
   233 		GetIp4AddrL(aIapView, KCDTIdLANIpNetMask, addr);
       
   234 		ip4Provision->SetNetMask(addr);
       
   235 		
       
   236 		err = GetIp4Addr(aIapView, KCDTIdLANIpGateway, addr);
       
   237 		if (err == KErrNone)
       
   238 		    {
       
   239 		    ip4Provision->SetDefGateway(addr);
       
   240 		    }
       
   241 		else if (err == KErrNotFound)
       
   242 		    {
       
   243 		    ip4Provision->SetDefGateway(ip4Provision->LocalAddr());
       
   244 		    }
       
   245 		else
       
   246 		    {
       
   247 		    User::Leave(err);
       
   248 		    }
       
   249 
       
   250 		// Because CommDB doesn't define a Broadcast Address field, we must
       
   251 		// calculate the broadcast address. This is based on the localAddr
       
   252 		// and the netMask.
       
   253 
       
   254 		TInetAddr localAddr(ip4Provision->LocalAddr(), 0);
       
   255 		TInetAddr netMask(ip4Provision->NetMask(), 0);
       
   256 		TInetAddr broadcast;
       
   257 		broadcast.SubNetBroadcast(ip4Provision->LocalAddr(), ip4Provision->NetMask());
       
   258 		ip4Provision->SetBroadcastAddr(broadcast.Address());
       
   259    		}
       
   260 
       
   261 	ip4Provision->SetPrimaryDns(KInetAddrNone);
       
   262 	ip4Provision->SetSecondaryDns(KInetAddrNone);
       
   263 	
       
   264 	aIapView->GetBoolL(KCDTIdLANIpDNSAddrFromServer, serverRequired);
       
   265   	if (!serverRequired)
       
   266   		{
       
   267   		err = GetIp4Addr(aIapView, KCDTIdLANIpNameServer1, addr);
       
   268   		if (err == KErrNone) 
       
   269   		    {
       
   270   		    ip4Provision->SetPrimaryDns(addr);
       
   271 		    err = GetIp4Addr(aIapView, KCDTIdLANIpNameServer2, addr);
       
   272 		    if (err == KErrNone)
       
   273 		        {
       
   274 		        ip4Provision->SetSecondaryDns(addr);
       
   275 		        }
       
   276   		    }
       
   277   		
       
   278   		if (err != KErrNone && err != KErrNotFound) 
       
   279   		    {
       
   280   		    User::Leave(err);
       
   281   		    }
       
   282      	}	
       
   283 	
       
   284 	// Append the provisioning object to the CAccessPointConfig array
       
   285 	aMec.AppendExtensionL(ip4Provision);
       
   286 	CleanupStack::Pop(ip4Provision);
       
   287     }
       
   288     
       
   289 // -----------------------------------------------------------------------------
       
   290 // CWlanMetaConnectionProvider::ProvisionIp6ConfigL
       
   291 // -----------------------------------------------------------------------------
       
   292 //    
       
   293 void CWlanMetaConnectionProvider::ProvisionIp6ConfigL(CCommsDatIapView* aIapView, TUint32 aOrder, ESock::RMetaExtensionContainer& aMec)
       
   294     {
       
   295 	TLanIp6Provision* ip6Provision = new (ELeave) TLanIp6Provision;
       
   296 	CleanupStack::PushL(ip6Provision);
       
   297 	
       
   298 	ip6Provision->SetOrder(aOrder);
       
   299 	
       
   300 	// Determine whether static DNS configuration is required.
       
   301 	TBool dynamicDns = ETrue;
       
   302 
       
   303 	// By default, Ensure that static DNS addresses are set as unspecified,
       
   304 	// so they are not used in Control(KSoIfConfig).
       
   305 	ip6Provision->SetPrimaryDns(KInet6AddrNone);
       
   306 	ip6Provision->SetSecondaryDns(KInet6AddrNone);
       
   307 	
       
   308 	// Ignore any errors from reading this field - default to dynamicDns = ETrue
       
   309 	(void) aIapView->GetBool(KCDTIdLANIp6DNSAddrFromServer, dynamicDns);
       
   310 
       
   311 	if (!dynamicDns)
       
   312 		{
       
   313 		// Read static DNS addresses
       
   314 		TInt err;
       
   315 		TIp6Addr addr6;
       
   316   		err = GetIp6Addr(aIapView, KCDTIdLANIpNameServer1, addr6);
       
   317   		if (err == KErrNone) 
       
   318   		    {
       
   319   		    ip6Provision->SetPrimaryDns(addr6);
       
   320 		    err = GetIp6Addr(aIapView, KCDTIdLANIpNameServer2, addr6);
       
   321 		    if (err == KErrNone)
       
   322 		        {
       
   323 		        ip6Provision->SetSecondaryDns(addr6);
       
   324 		        }
       
   325   		    }
       
   326   		
       
   327   		if (err != KErrNone && err != KErrNotFound) 
       
   328   		    {
       
   329   		    User::Leave(err);
       
   330   		    }
       
   331 		}
       
   332 	
       
   333 	// Append the provisioning object to the CAccessPointConfig array
       
   334 	aMec.AppendExtensionL(ip6Provision);
       
   335 	CleanupStack::Pop(ip6Provision);
       
   336     }
       
   337 
       
   338