datacommsserver/esockserver/commsdataobjects/src/connectionqueryset.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
       
    18  @internalTechnology
       
    19 */
       
    20 
       
    21 #include "connectionqueryset.h"
       
    22 #include <commsdat.h>
       
    23 #include <comms-infras/ss_commsdataobject.h>
       
    24 
       
    25 
       
    26 #ifdef _DEBUG
       
    27 // Panic category for "absolutely impossible!" vanilla ASSERT()-type panics from this module
       
    28 // (if it could happen through user error then you should give it an explicit, documented, category + code)
       
    29 _LIT(KSpecAssert_ESockCommDatObjc, "ESockCommDatObjc");
       
    30 #endif
       
    31 
       
    32 using namespace Meta;
       
    33 using namespace ESock;
       
    34 
       
    35 
       
    36 // -------- Connection Settings Query Set -------- 
       
    37 
       
    38 EXPORT_START_ATTRIBUTE_TABLE_AND_FN(XConnectionQuerySet, CCommsDataObjectFactory::iUid, XConnectionQuerySet::iUid)
       
    39 	REGISTER_ATTRIBUTE(XConnectionQuerySet, iQueries, TMetaObject<XConnectionQuerySet::RMetaDataQueryContainer>)
       
    40 END_ATTRIBUTE_TABLE()
       
    41 
       
    42 
       
    43 EXPORT_C XConnectionQueryBase* XConnectionQuerySet::FindQuery(const XConnectionQueryBase& aQuery) const
       
    44 	{
       
    45 	XConnectionQueryBase* query = NULL;
       
    46 	TConnectionQueryIter iter(GetQueryIter(XConnectionQueryBase::ENotAnswered | XConnectionQueryBase::EAnswered));
       
    47 	query = iter++;
       
    48 	while (query) 
       
    49 		{
       
    50 		if (query->Match(aQuery)) 
       
    51 			{
       
    52 			return query;
       
    53 			}
       
    54 			
       
    55 		query = iter++;
       
    56 		}
       
    57 		
       
    58 	return NULL;
       
    59 	}
       
    60 	
       
    61 
       
    62 EXPORT_C XCommsDataObject::TProgressAction XConnectionQuerySet::DispatchL(TAny *aItfPtr, ESock::MPlatsecApiExt* aPlatsecItf)
       
    63 	{
       
    64 	MQueryConnSettingsApiExt* interface = reinterpret_cast<MQueryConnSettingsApiExt*>(aItfPtr);
       
    65 
       
    66 	TConnectionQueryIter iter = GetQueryIter(XConnectionQueryBase::ENotAnswered);
       
    67 	XConnectionQueryBase* query = iter++;
       
    68 	TInt queriesRemaining(0);
       
    69 	while (query) 
       
    70 		{
       
    71 		queriesRemaining++;
       
    72 		query->GetSetting(interface, aPlatsecItf);
       
    73 		if (query->IsQueryAnswered()) 
       
    74 			{
       
    75 			queriesRemaining--;
       
    76 			}
       
    77 		query = iter++;
       
    78 		}
       
    79 	
       
    80 	return (queriesRemaining > 0) ? XCommsDataObject::EContinue : XCommsDataObject::EComplete;
       
    81 	}
       
    82 
       
    83 EXPORT_C void XConnectionQuerySet::XNullQuery::GetSetting(MQueryConnSettingsApiExt* /*aItfPtr*/, MPlatsecApiExt* /*aPlatsecItf*/)
       
    84 	{
       
    85 	// Null Query has no value to get - impl here to satisfy abstract base class
       
    86 
       
    87 #ifdef __X86GCC__
       
    88 	// Ugly hack: GCC3.4 needs extra persuasion to unroll enough of the template; without this it won't link with a missing vtbl
       
    89 	RMetaDataContainer<ESock::XConnectionQueryBase> unused;
       
    90 	(void) unused;
       
    91 #endif
       
    92 	}
       
    93 
       
    94 
       
    95 
       
    96 // -------- Individual Connection Queries -------- 
       
    97 
       
    98 EXPORT_START_ATTRIBUTE_TABLE_AND_FN(XConnectionQueryBase, XConnectionQuerySet::iUid, XConnectionQueryBase::ENull)
       
    99 	REGISTER_ATTRIBUTE(XConnectionQueryBase, iQueryFlags, TMeta<TUint32>)
       
   100 	REGISTER_ATTRIBUTE(XConnectionQueryBase, iError, TMetaNumber)
       
   101 	REGISTER_ATTRIBUTE(XConnectionQueryBase, iElementId, TMeta<CommsDat::TMDBElementId>)
       
   102 	REGISTER_ATTRIBUTE(XConnectionQueryBase, iType, TMeta<CommsDat::TCDFieldValueTypes>)
       
   103 END_ATTRIBUTE_TABLE()
       
   104 
       
   105 
       
   106 EXPORT_START_ATTRIBUTE_TABLE_AND_FN(XConnectionQuerySet::XNullQuery, CConnectionQueryFactory::iUid, XConnectionQueryBase::ENull)
       
   107 END_ATTRIBUTE_TABLE_BASE(XConnectionQueryBase, 0)
       
   108 
       
   109 EXPORT_START_ATTRIBUTE_TABLE_AND_FN(XBoolQuery, CConnectionQueryFactory::iUid, XConnectionQueryBase::EBool)
       
   110 	REGISTER_ATTRIBUTE(XBoolQuery, iData, TMeta<TBool>)
       
   111 END_ATTRIBUTE_TABLE_BASE(XConnectionQueryBase, 0)
       
   112 
       
   113 EXPORT_START_ATTRIBUTE_TABLE_AND_FN(XUintQuery, CConnectionQueryFactory::iUid, XConnectionQueryBase::EUint)
       
   114 	REGISTER_ATTRIBUTE(XUintQuery, iData, TMeta<TUint32>)
       
   115 END_ATTRIBUTE_TABLE_BASE(XConnectionQueryBase, 0)
       
   116 
       
   117 EXPORT_START_ATTRIBUTE_TABLE_AND_FN(XIntQuery, CConnectionQueryFactory::iUid, XConnectionQueryBase::EInt)
       
   118 	REGISTER_ATTRIBUTE(XIntQuery, iData, TMeta<TInt>)
       
   119 END_ATTRIBUTE_TABLE_BASE(XConnectionQueryBase, 0)
       
   120 
       
   121 EXPORT_START_ATTRIBUTE_TABLE_AND_FN(XText8Query, CConnectionQueryFactory::iUid, XConnectionQueryBase::EText8)
       
   122 	REGISTER_ATTRIBUTE(XText8Query, iData, TMetaBuf8)
       
   123 END_ATTRIBUTE_TABLE_BASE(XConnectionQueryBase, 0)
       
   124 
       
   125 EXPORT_START_ATTRIBUTE_TABLE_AND_FN(XText16Query, CConnectionQueryFactory::iUid, XConnectionQueryBase::EText16)
       
   126 	REGISTER_ATTRIBUTE(XText16Query, iData, TMetaBuf16)
       
   127 END_ATTRIBUTE_TABLE_BASE(XConnectionQueryBase, 0)
       
   128 
       
   129 
       
   130 
       
   131 EXPORT_C XConnectionQueryBase* XConnectionQueryBase::LoadL(TPtrC8& aDes)
       
   132 	{
       
   133 	// LoadL methods are expected to strip the type Id from the buffer
       
   134 	STypeId typeId = STypeId::CreateSTypeId(aDes); // This STypeId c'tor overload will adjust aDes
       
   135 	__ASSERT_DEBUG(typeId.iUid.iUid == CConnectionQueryFactory::iUid && typeId.iType != XConnectionQueryBase::ENull, User::Panic(KSpecAssert_ESockCommDatObjc, 1));
       
   136 	
       
   137 	XConnectionQueryBase* query = NULL;
       
   138 	switch (typeId.iType)
       
   139 		{
       
   140 		case XConnectionQueryBase::EBool:
       
   141 			query = new (ELeave)XBoolQuery();
       
   142 			break;
       
   143 			
       
   144 		case XConnectionQueryBase::EInt:
       
   145 			query = new (ELeave)XIntQuery();
       
   146 			break;
       
   147 			
       
   148 		case XConnectionQueryBase::EUint:
       
   149 			query = new (ELeave)XUintQuery();
       
   150 			break;
       
   151 			
       
   152 		case XConnectionQueryBase::EText8: 
       
   153 			query = new (ELeave)XText8Query();
       
   154 			break;
       
   155 			
       
   156 		case XConnectionQueryBase::EText16:
       
   157 			query = new (ELeave)XText16Query();
       
   158 			break;
       
   159 
       
   160 		default:
       
   161 			// Some unknown type in the descriptor
       
   162 			User::Leave(KErrCorrupt);
       
   163 		}
       
   164 	
       
   165 	CleanupStack::PushL(query);
       
   166 	TInt err = query->Load(aDes);
       
   167 	User::LeaveIfError(err);
       
   168 	CleanupStack::Pop(query);
       
   169 	return query;
       
   170 	}
       
   171 	
       
   172 
       
   173 
       
   174 EXPORT_C void XConnectionQueryBase::SetQueryAnswered()
       
   175 	{
       
   176 	SetFlags(EAnswered);
       
   177 	ClearFlags(ENotAttempted);
       
   178 	}
       
   179 	
       
   180 
       
   181 EXPORT_C void XConnectionQueryBase::SetFlags(TUint32 aFlags)
       
   182 	{
       
   183 	const TUint answeredFlags = ENotAnswered | EAnswered;
       
   184 	
       
   185 	// Can't be answered and not answered
       
   186 	__ASSERT_DEBUG((aFlags & answeredFlags) != answeredFlags, User::Panic(KSpecAssert_ESockCommDatObjc, 2));
       
   187 	
       
   188 	if (aFlags & EAnswered)
       
   189 		{
       
   190 		iQueryFlags &= ~ENotAnswered;	// Clear ENotAnswered
       
   191 		iQueryFlags |= EAnswered;		// Set EAnswered
       
   192 		}
       
   193 	else if (aFlags & ENotAnswered) 
       
   194 		{
       
   195 		iQueryFlags &= ~ EAnswered;		// Clear EAnswered
       
   196 		iQueryFlags |= ENotAnswered;	// Set ENotAnswered
       
   197 		}
       
   198 		
       
   199 	// Set flags except for EAnswered or ENotAnswered
       
   200 	iQueryFlags |= (aFlags & ~answeredFlags);
       
   201 	}
       
   202 
       
   203 
       
   204 EXPORT_C void XConnectionQueryBase::ClearFlags(TUint32 aFlags)
       
   205 	{
       
   206 	const TUint answeredFlags = ENotAnswered | EAnswered;
       
   207 	
       
   208 	// Can't be answered and not answered
       
   209 	__ASSERT_DEBUG((aFlags & answeredFlags) != answeredFlags, User::Panic(KSpecAssert_ESockCommDatObjc, 3));	
       
   210 	
       
   211 	if (aFlags & EAnswered)
       
   212 		{
       
   213 		iQueryFlags &= ~EAnswered;		// Clear EAnswered
       
   214 		iQueryFlags |= ENotAnswered;	// Set ENotAnswered
       
   215 		}
       
   216 	else if (aFlags & ENotAnswered) 
       
   217 		{
       
   218 		iQueryFlags &= ~ENotAnswered;	// Clear ENotAnswered
       
   219 		iQueryFlags |= EAnswered;		// Set EAnswered
       
   220 		}
       
   221 		
       
   222 	// Clear flags except for EAnswered or ENotAnswered
       
   223 	iQueryFlags &= (~aFlags | answeredFlags);
       
   224 	}
       
   225 
       
   226 
       
   227 EXPORT_C void XConnectionQueryBase::SetError(TInt aError)
       
   228 	{
       
   229 	iError = aError;
       
   230 	if (aError == KErrNone) 
       
   231 		{
       
   232 		ClearFlags(EFailed|ENotAttempted);
       
   233 		}
       
   234 	else
       
   235 		{
       
   236 		ClearFlags(ENotAttempted);
       
   237 		SetFlags(EFailed);
       
   238 		}
       
   239 	}
       
   240 
       
   241 
       
   242 EXPORT_C XConnectionQuerySet::~XConnectionQuerySet()
       
   243 	{
       
   244 	iQueries.ResetAndDestroy();
       
   245 	iQueries.Close();
       
   246 	}
       
   247 
       
   248 
       
   249 
       
   250 EXPORT_C XBoolQuery::~XBoolQuery()
       
   251 	{
       
   252 	}
       
   253 	
       
   254 EXPORT_C void XBoolQuery::GetSetting(MQueryConnSettingsApiExt* aItfPtr, MPlatsecApiExt* aPlatsecItf)
       
   255 	{
       
   256 	TInt err = aItfPtr->GetBool(ElementId(), iData, aPlatsecItf);
       
   257 	if (err == KErrNone)
       
   258 		{
       
   259 		SetQueryAnswered();
       
   260 		}
       
   261 	SetError(err);
       
   262 	}
       
   263 
       
   264 	
       
   265 EXPORT_C XUintQuery::~XUintQuery()
       
   266 	{
       
   267 	}
       
   268 
       
   269 EXPORT_C void XUintQuery::GetSetting(MQueryConnSettingsApiExt* aItfPtr, MPlatsecApiExt* aPlatsecItf)
       
   270 	{
       
   271 	TInt err = aItfPtr->GetInt(ElementId(), iData, aPlatsecItf);
       
   272 	if (err == KErrNone)
       
   273 		{
       
   274 		SetQueryAnswered();
       
   275 		}
       
   276 	SetError(err);
       
   277 	}
       
   278 	
       
   279 	
       
   280 EXPORT_C XIntQuery::~XIntQuery()
       
   281 	{
       
   282 	}
       
   283 
       
   284 EXPORT_C void XIntQuery::GetSetting(MQueryConnSettingsApiExt* aItfPtr, MPlatsecApiExt* aPlatsecItf)
       
   285 	{
       
   286 	TInt err = aItfPtr->GetInt(ElementId(), iData, aPlatsecItf);
       
   287 	if (err == KErrNone)
       
   288 		{
       
   289 		SetQueryAnswered();
       
   290 		}
       
   291 	SetError(err);
       
   292 	}
       
   293 	
       
   294 	
       
   295 EXPORT_C XText8Query::~XText8Query()
       
   296 	{
       
   297 	iData.Close();
       
   298 	}
       
   299 
       
   300 EXPORT_C void XText8Query::GetSetting(MQueryConnSettingsApiExt* aItfPtr, MPlatsecApiExt* aPlatsecItf)
       
   301 	{
       
   302 	HBufC8* data = NULL;
       
   303 	TInt err = aItfPtr->GetText(ElementId(), data, aPlatsecItf);
       
   304 	if (err == KErrNone)
       
   305 		{
       
   306 		iData.Close();
       
   307 		iData.Create(data->Des());
       
   308 
       
   309 		SetQueryAnswered();
       
   310 		}
       
   311 	delete data;
       
   312 	SetError(err);
       
   313 	}
       
   314 
       
   315 
       
   316 EXPORT_C XText16Query::~XText16Query()
       
   317 	{
       
   318 	iData.Close();
       
   319 	}
       
   320 
       
   321 EXPORT_C void XText16Query::GetSetting(MQueryConnSettingsApiExt* aItfPtr, MPlatsecApiExt* aPlatsecItf)
       
   322 	{
       
   323 	HBufC16* data = NULL;
       
   324 	TInt err = aItfPtr->GetText(ElementId(), data, aPlatsecItf);
       
   325 	if (err == KErrNone)
       
   326 		{
       
   327 		iData.Close();
       
   328 		iData.Create(data->Des());
       
   329 		
       
   330 		SetQueryAnswered();
       
   331 		}
       
   332 	delete data;
       
   333 	SetError(err);
       
   334 	}
       
   335