epoc32/include/comms-infras/cftransport.inl
author William Roberts <williamr@symbian.org>
Tue, 16 Mar 2010 16:12:26 +0000
branchSymbian2
changeset 2 2fe1408b6811
permissions -rw-r--r--
Final list of Symbian^2 public API header files
     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 the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
     5 // which accompanies this distribution, and is available
     6 // at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
     7 //
     8 // Initial Contributors:
     9 // Nokia Corporation - initial contribution.
    10 //
    11 // Contributors:
    12 //
    13 // Description:
    14 // cftransport.inl
    15 // 
    16 //
    17 
    18 inline TCookie::TCookie()
    19 : iType(ENull),
    20   iChipsFollowing(0)
    21 	{
    22 	}
    23 
    24 // Cookies are not constructed arbitarily, instead having been generated they are bitwise copied. Consequently we don't trouble to
    25 // provide clever comparison operators or a copy operation, nor to ensure consistent initialisation of padding fields
    26 inline TBool TCookie::operator==(const TCookie& aRHS) const
    27 	{
    28 	ASSERT(iChipsFollowing==0 && aRHS.iChipsFollowing==0); //This is private (transport's use) information which must not be set here.
    29 	return Mem::Compare((const TUint8*) this, sizeof(*this), (const TUint8*) &aRHS, sizeof(*this)) == 0;
    30 	}
    31 
    32 inline TCookieAccessor::TCookieAccessor(const TCookie& aCookie)
    33 : iCookie(aCookie)
    34 	{
    35 	}
    36 
    37 inline TBool TCookieAccessor::IsNull() const 
    38 	{
    39 	return iCookie.iType == TCookie::ENull;
    40 	}
    41 
    42 inline TCookie::TVariety TCookieAccessor::Variety() const 
    43 	{
    44 	return static_cast<TCookie::TVariety>(iCookie.iType);
    45 	}
    46 
    47 inline TWorkerId TCookieAccessor::WorkerId() const
    48 	{
    49 	return static_cast<TWorkerId>(iCookie.iWorkerId);
    50 	}
    51 
    52 inline TAny* TCookieAccessor::Ptr() const
    53 	{
    54 	return iCookie.iUn.iObjPtr.iPtr;
    55 	}
    56 
    57 inline TUint8 TCookieAccessor::PtrSalt() const
    58 	{
    59 	ASSERT(Variety() == TCookie::EDispatchItfPtr || Variety() == TCookie::EDispatchItfPtrListener);
    60 	return iCookie.iSalt;
    61 	}
    62 
    63 inline TInt TCookieAccessor::LegacyCode() const
    64 	{
    65 	ASSERT(Variety() == TCookie::ELegacyId);
    66 	return iCookie.iUn.iLegacyCode;
    67 	}
    68 
    69 
    70 inline TCookieOp::TCookieOp(TCookie& aCookie)
    71 : TCookieAccessor(aCookie),
    72 iCookie(aCookie)
    73 	{
    74 	}
    75 
    76 /** Initialise cookie with a pointer to an object interface
    77 */
    78 inline void TCookieOp::SetInterface(TAny* aDispatchItf, TUint8 aSalt, TWorkerId aWorkerId)
    79 	{
    80 	iCookie.iType = TCookie::EDispatchItfPtr;
    81 	ASSERT(aWorkerId >= 0 && aWorkerId <= 255);
    82 	iCookie.iWorkerId = (TUint8) aWorkerId;
    83 	iCookie.iSalt = aSalt;
    84 	iCookie.iUn.iObjPtr.iPtr = aDispatchItf;
    85 	}
    86 
    87 /** Initialise pseudo-cookie for a legacy message message handler
    88 */
    89 inline void TCookieOp::SetLegacyMessageCode(TWorkerId aWorkerId, TInt aLegacyCode)
    90 	{
    91 	iCookie.iType = TCookie::ELegacyId;
    92 	ASSERT(aWorkerId >= 0 && aWorkerId <= 255);
    93 	iCookie.iWorkerId = (TUint8) aWorkerId;
    94 	iCookie.iUn.iLegacyCode = aLegacyCode;
    95 	}
    96 
    97 inline void TCookieOp::SetNull()
    98 	{
    99 	iCookie.iType = TCookie::ENull;
   100 	iCookie.iUn.iObjPtr.iPtr = NULL;	// unnecessary really, but safety net against those who don't validate type
   101 	}
   102 
   103 inline TCFMessage2::TCFMessage2()
   104 	{
   105 	}
   106 
   107 inline TCFMessage2::TCFMessage2(const TCookie& aCookie, const TDesC8& aData)
   108 	{
   109 	reinterpret_cast<TCookie&>(*RawBlock()) = aCookie;
   110 	__ASSERT_ALWAYS(aData.Size() <= sizeof(*this) - sizeof(TCookie), User::Panic(KCFChannelPanic, ECFChanMsgTooBig));
   111 	TPtr8(const_cast<TUint8*>(RawBlock()) + sizeof(TCookie), sizeof(*this) - sizeof(TCookie)).Copy(aData);
   112 	}
   113 
   114 inline const TCookie& TCFMessage2::Cookie() const
   115 	{
   116 	return reinterpret_cast<const TCookie&>(*RawBlock());
   117 	}
   118 
   119 inline TPtrC8 TCFMessage2::Data() const
   120 	{
   121 	return TPtrC8(RawBlock() + sizeof(TCookie), sizeof(*this) - sizeof(TCookie));
   122 	}
   123 /*
   124 inline TInt TCFMessage2::MaxEmbeddedMessageSize()
   125 	{
   126 	return MaxRawBlockSize() - sizeof(TCookie);
   127 	}
   128 */
   129 inline THeapStoredMessage* THeapStoredMessage::New(RAllocator& aHeap, const TCookie& aCookie, const TDesC8& aData)
   130 	{
   131 	THeapStoredMessage* self = reinterpret_cast<THeapStoredMessage*>(aHeap.Alloc(
   132 		sizeof(THeapStoredMessage) + aData.Length() - 1));	// 1 being the sizeof(iSerialiseData); can't ref directly (CW issue)
   133 	if(self)
   134 		{
   135 		self->iCookie = aCookie;
   136 		self->iData.Set(self->iSerialisedData, aData.Length());
   137 		Mem::Copy(self->iSerialisedData, aData.Ptr(), aData.Length());
   138 		}
   139 	return self;		
   140 	}
   141 
   142 inline const TCookie& THeapStoredMessage::Cookie() const
   143 	{
   144 	return iCookie;
   145 	}
   146 
   147 inline const TPtrC8& THeapStoredMessage::Data() const
   148 	{
   149 	return iData;
   150 	}
   151 
   152 
   153 
   154 //
   155 // Thread knowledge
   156 //
   157 
   158 inline TBool TWorkerThreadDataBase::IsValid() const
   159 	{
   160 	return iHeap != 0;
   161 	}
   162 
   163 inline CWorkerThreadDataGlobalsBase::CWorkerThreadDataGlobalsBase()
   164 	{
   165 	}
   166 
   167 inline CWorkerThreadDataGlobalsBase::~CWorkerThreadDataGlobalsBase()
   168 	{
   169 	User::Free(iWorkers);
   170 	}
   171 
   172 inline void CWorkerThreadDataGlobalsBase::ConstructL(TInt aWorkerDataSize, TInt TUpperThreadIdBound)
   173 	{
   174 	iWorkers = reinterpret_cast<TWorkerThreadDataBase*>(User::AllocZL(aWorkerDataSize * (TUpperThreadIdBound + 1)));
   175 	}
   176 
   177 template<class TWTD, TInt TUpperThreadIdBound>
   178 inline CWorkerThreadDataGlobals<TWTD, TUpperThreadIdBound>* CWorkerThreadDataGlobals<TWTD, TUpperThreadIdBound>::NewL()
   179 	{
   180 	CWorkerThreadDataGlobals* self = new(ELeave) CWorkerThreadDataGlobals();
   181 	CleanupStack::PushL(self);
   182 	self->ConstructL(sizeof(TWTD), TUpperThreadIdBound);
   183 	CleanupStack::Pop(self);
   184 	return self;
   185 	}
   186 
   187 template<class TWTD, TInt TUpperThreadIdBound>
   188 inline void CWorkerThreadDataGlobals<TWTD, TUpperThreadIdBound>::ConstructL(TInt aWorkerDataSize, TWorkerId aUpperBoundId)
   189 	{
   190 	CWorkerThreadDataGlobalsBase::ConstructL(aWorkerDataSize, aUpperBoundId);
   191 	for(TInt i = 0; i <= TUpperThreadIdBound; ++i)
   192 		{
   193 		new(reinterpret_cast<TUint8*>(iWorkers) + i * aWorkerDataSize) TWTD;
   194 		}
   195 	}
   196 
   197 template<class TWTD, TInt TUpperThreadIdBound>
   198 inline TWorkerId CWorkerThreadDataGlobals<TWTD, TUpperThreadIdBound>::UpperBoundWorkerId() const
   199 	{
   200 	return TUpperThreadIdBound;
   201 	}
   202 
   203 template<class TWTD, TInt TUpperThreadIdBound>
   204 inline TWTD* CWorkerThreadDataGlobals<TWTD, TUpperThreadIdBound>::GetWorkerGlobals(TWorkerId aWorker) const
   205 	{
   206 	__ASSERT_DEBUG(aWorker >= 0 && aWorker <= UpperBoundWorkerId(), Panic(ECFTransInvalidWorkerId));
   207 	return reinterpret_cast<TWTD*>(reinterpret_cast<TUint8*>(iWorkers) + sizeof(TWTD) * aWorker);
   208 	}
   209 
   210 template<class TWTD, TInt TUpperThreadIdBound>
   211 inline TBool CWorkerThreadDataGlobals<TWTD, TUpperThreadIdBound>::WorkerPresent(TWorkerId aId) const
   212 	{
   213 	return GetWorkerGlobals(aId)->IsValid();
   214 	}
   215 
   216 template<class TWTD, TInt TUpperThreadIdBound>
   217 inline RAllocator& CWorkerThreadDataGlobals<TWTD, TUpperThreadIdBound>::WorkerHeap(TWorkerId aWorkerId) const
   218 	{
   219 	return *(GetWorkerGlobals(aWorkerId)->iHeap);
   220 	}
   221 
   222 template<class TWTD, TInt TUpperThreadIdBound>
   223 inline void CWorkerThreadDataGlobals<TWTD, TUpperThreadIdBound>::PanicWorker(TWorkerId aWorkerId, const TDesC& aCategory, TInt aReason) const
   224 	{
   225 	GetWorkerGlobals(aWorkerId)->iThread.Panic(aCategory, aReason);
   226 	}
   227 
   228 template<class TWTD, TInt TUpperThreadIdBound>
   229 inline CWorkerThreadDataGlobals<TWTD, TUpperThreadIdBound>::CWorkerThreadDataGlobals()
   230 : CWorkerThreadDataGlobalsBase()
   231 	{
   232 	}
   233 
   234 template<class TWTD, TInt TUpperThreadIdBound>
   235 inline CWorkerThreadRegister<TWTD, TUpperThreadIdBound>* CWorkerThreadRegister<TWTD, TUpperThreadIdBound>::NewL(TWorkerId aSelfId, CWorkerThreadDataGlobals<TWTD, TUpperThreadIdBound>* aGlobalThreadRegister)
   236 	{
   237 	return new(ELeave) CWorkerThreadRegister(aSelfId, aGlobalThreadRegister);
   238 	}
   239 
   240 template<class TWTD, TInt TUpperThreadIdBound>
   241 inline TWTD* CWorkerThreadRegister<TWTD, TUpperThreadIdBound>::GetWorkerGlobals(TWorkerId aWorker) const
   242 	{
   243 	__ASSERT_DEBUG(iGlobals != NULL, Panic(ECFTransThreadRegisterUnspecified));
   244 	__ASSERT_DEBUG(aWorker >= 0 && aWorker <= TUpperThreadIdBound, Panic(ECFTransInvalidWorkerId));
   245 	return iGlobals->GetWorkerGlobals(aWorker);
   246 	}
   247 
   248 template<class TWTD, TInt TUpperThreadIdBound>
   249 inline TWorkerId CWorkerThreadRegister<TWTD, TUpperThreadIdBound>::UpperBoundWorkerId() const
   250 	{
   251 	return TUpperThreadIdBound;
   252 	}
   253 
   254 template<class TWTD, TInt TUpperThreadIdBound>
   255 inline TBool CWorkerThreadRegister<TWTD, TUpperThreadIdBound>::WorkerPresent(TWorkerId aWorker) const
   256 	{
   257 	__ASSERT_DEBUG(iGlobals != NULL, Panic(ECFTransThreadRegisterUnspecified));
   258 	__ASSERT_DEBUG(aWorker >= 0 && aWorker <= TUpperThreadIdBound, Panic(ECFTransInvalidWorkerId));
   259 	return iGlobals->WorkerPresent(aWorker);
   260 	}
   261 
   262 template<class TWTD, TInt TUpperThreadIdBound>
   263 inline RAllocator& CWorkerThreadRegister<TWTD, TUpperThreadIdBound>::WorkerHeap(TWorkerId aWorker) const
   264 	{
   265 	__ASSERT_DEBUG(iGlobals != NULL, Panic(ECFTransThreadRegisterUnspecified));
   266 	__ASSERT_DEBUG(aWorker >= 0 && aWorker <= TUpperThreadIdBound, Panic(ECFTransInvalidWorkerId));
   267 	return iGlobals->WorkerHeap(aWorker);
   268 	}
   269 
   270 template<class TWTD, TInt TUpperThreadIdBound>
   271 inline void CWorkerThreadRegister<TWTD, TUpperThreadIdBound>::PanicWorker(TWorkerId aWorkerId, const TDesC& aCategory, TInt aReason) const
   272 	{
   273 	GetWorkerGlobals(aWorkerId)->iThread.Panic(aCategory, aReason);
   274 	}
   275 
   276 template<class TWTD, TInt TUpperThreadIdBound>
   277 inline TWorkerId CWorkerThreadRegister<TWTD, TUpperThreadIdBound>::SelfWorkerId() const
   278 	{
   279 	return iSelfId;
   280 	}
   281 
   282 template<class TWTD, TInt TUpperThreadIdBound>
   283 inline TWTD* CWorkerThreadRegister<TWTD, TUpperThreadIdBound>::GetSelfWorkerGlobals() const
   284 	{
   285 	__ASSERT_DEBUG(iGlobals != NULL, Panic(ECFTransThreadRegisterUnspecified));
   286 	return iGlobals->GetWorkerGlobals(iSelfId);
   287 	}
   288 
   289 template<class TWTD, TInt TUpperThreadIdBound>
   290 inline void CWorkerThreadRegister<TWTD, TUpperThreadIdBound>::SetGlobalThreadRegister(CWorkerThreadDataGlobals<TWTD, TUpperThreadIdBound>* aGlobalThreadRegister)
   291 	{
   292 	iGlobals = aGlobalThreadRegister;
   293 	}
   294 
   295 template<class TWTD, TInt TUpperThreadIdBound>
   296 inline CWorkerThreadRegister<TWTD, TUpperThreadIdBound>::CWorkerThreadRegister(TWorkerId aSelfId, CWorkerThreadDataGlobals<TWTD, TUpperThreadIdBound>* aGlobalThreadRegister)
   297 : iSelfId(aSelfId),
   298 iGlobals(aGlobalThreadRegister)
   299 	{
   300 	}
   301 
   302 inline TBool RCFInterfaceBase::IsOpen() const
   303 	{
   304 	return !TCookieAccessor(iRecipient).IsNull();
   305 	}