--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/networking/winsockprt/src/wsp_provider.cpp	Wed Jun 23 15:52:26 2010 +0100
@@ -0,0 +1,570 @@
+// wsp_provider.cpp
+// 
+// Copyright (c) 2002 - 2010 Accenture. All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of the "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+// 
+// Initial Contributors:
+// Accenture - Initial contribution
+//
+
+
+#include "wsp_provider.h"
+#include "wsp_factory.h"
+#include "wsp_socket.h"
+#include "wsp_panic.h"
+#include "wsp_log.h"
+
+
+//
+// Constants.
+//
+
+const TInt KReceiveBufferSize = 4096;
+
+
+//
+// CWinSockProviderBase.
+//
+
+CWinSockProviderBase::CWinSockProviderBase(RWin32Factory& aWin32Factory)
+	: iWin32Factory(aWin32Factory), iWinSockWriteBuffer(NULL, 0)
+	{
+	}
+
+CWinSockProviderBase::~CWinSockProviderBase()
+	{
+	delete iSendSocketWrapper;
+	delete iReceiveSocketWrapper;
+	delete iReceiveBuffer;
+	delete iSendBuffer;
+	iWin32Socket.Close();
+	}
+
+void CWinSockProviderBase::ConstructL()
+	{
+	iSendSocketWrapper = CWin32SocketWrapper::NewL(*this, iWin32Socket);
+	iReceiveSocketWrapper = CWin32SocketWrapper::NewL(*this, iWin32Socket);
+	iReceiveBuffer = HBufC8::NewL(KReceiveBufferSize);
+	iWinSockWriteBuffer.Set(iReceiveBuffer->Des());
+	}
+
+TInt CWinSockProviderBase::FillSendBuffer(const TDesC8& aDataToSend)
+	{
+	if (iSendBuffer)
+		{
+		if (iSendBuffer->Des().MaxLength() < aDataToSend.Length())
+			{
+			iSendBuffer = iSendBuffer->ReAlloc(aDataToSend.Length());
+			if (iSendBuffer == NULL)
+				{
+				return KErrNoMemory;
+				}
+			}
+		*iSendBuffer = aDataToSend;
+		}
+	else
+		{
+		iSendBuffer = aDataToSend.Alloc();
+		if (iSendBuffer == NULL)
+			{
+			return KErrNoMemory;
+			}
+		}
+	return KErrNone;
+	}
+
+TInt CWinSockProviderBase::SetRemName(TSockAddr& anAddr)
+	{
+	WSP_LOG(WspLog::Write(_L("CWinSockProviderBase::SetRemName")));
+	iRemoteAddr = anAddr;
+	return KErrNone;
+	}
+
+void CWinSockProviderBase::LocalName(TSockAddr& anAddr)const
+	{
+	WSP_LOG(WspLog::Write(_L("CWinSockProviderBase::LocalName")));
+	iWin32Socket.GetSocketName(static_cast<TInetAddr&>(anAddr)); // Throw away error code.
+	}
+
+TInt CWinSockProviderBase::SetLocalName(TSockAddr& anAddr)
+	{
+	WSP_LOG(WspLog::Write(_L("CWinSockProviderBase::SetLocalName")));
+	return iWin32Socket.Bind(anAddr);
+	}
+
+void CWinSockProviderBase::AutoBind( void )
+	{
+	WSP_LOG(WspLog::Write(_L("CWinSockProviderBase::AutoBind")));
+	}
+
+TInt CWinSockProviderBase::GetOption(TUint /*aLevel*/, TUint /*aName*/, TDes8& /*anOption*/)const
+	{
+	return KErrNotSupported;
+	}
+
+TInt CWinSockProviderBase::SetOption(TUint /*aLevel*/, TUint /*aName*/, const TDesC8& /*anOption*/)
+	{
+	return KErrNotSupported;
+	}
+
+void CWinSockProviderBase::Ioctl(TUint /*aLevel*/, TUint /*aName*/, TDes8* /*anOption*/)
+	{
+	iSocket->Error(KErrNotSupported, MSocketNotify::EErrorIoctl);
+	}
+
+void CWinSockProviderBase::CancelIoctl(TUint /*aLevel*/, TUint /*aName*/)
+	{
+	}
+
+TInt CWinSockProviderBase::PassiveOpen(TUint /*aQue*/, const TDesC8& /*aConnectionData*/)
+	{
+	__ASSERT_DEBUG(EFalse, Panic(EWinSockPrtUnexpectedActivePassiveOpenWithConnectionData));
+	return 0;
+	}
+
+void CWinSockProviderBase::Shutdown(TCloseType /*option*/, const TDesC8& /*aDisconnectData*/)
+	{
+	__ASSERT_DEBUG(EFalse, Panic(EWinSockPrtUnexpectedActiveShutdownWithConnectionData));
+	}
+
+void CWinSockProviderBase::ActiveOpen(const TDesC8& /*aConnectionData*/)
+	{
+	__ASSERT_DEBUG(EFalse, Panic(EWinSockPrtUnexpectedActiveOpenCallWithConnectionData));
+	}
+
+void CWinSockProviderBase::Shutdown(TCloseType aType)
+	{
+	WSP_LOG(WspLog::Write(_L("CWinSockProviderBase::Shutdown")));
+	if (aType != EImmediate)
+		{
+		iSocket->CanClose();
+		}
+	}
+
+
+//
+// CWinSockTcpProvider.
+//
+
+CWinSockTcpProvider* CWinSockTcpProvider::NewL(RWin32Factory& aWin32Factory)
+	{
+	CWinSockTcpProvider* self = new(ELeave) CWinSockTcpProvider(aWin32Factory);
+	CleanupStack::PushL(self);
+	self->ConstructL(RWin32Socket::ETcp);
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+CWinSockTcpProvider* CWinSockTcpProvider::NewBlankLC(RWin32Factory& aWin32Factory)
+	{
+	CWinSockTcpProvider* self = new(ELeave) CWinSockTcpProvider(aWin32Factory);
+	CleanupStack::PushL(self);
+	self->ConstructL(RWin32Socket::EBlank);
+	return self;
+	}
+
+CWinSockTcpProvider::CWinSockTcpProvider(RWin32Factory& aWin32Factory)
+	: CWinSockProviderBase(aWin32Factory)
+	{
+	}
+
+void CWinSockTcpProvider::ConstructL(RWin32Socket::TType aType)
+	{
+	User::LeaveIfError(iWin32Socket.Open(iWin32Factory, aType));
+	iConnectSocketWrapper = CWin32SocketWrapper::NewL(*this, iWin32Socket);
+	iAcceptSocketWrapper = CWin32SocketWrapper::NewL(*this, iWin32Socket);
+	CWinSockProviderBase::ConstructL();
+	}
+
+CWinSockTcpProvider::~CWinSockTcpProvider()
+	{
+	delete iConnectSocketWrapper;
+	delete iAcceptSocketWrapper;
+	delete iAcceptSap;
+	}
+
+void CWinSockTcpProvider::RemName(TSockAddr& anAddr) const
+	{
+	WSP_LOG(WspLog::Write(_L("CWinSockTcpProvider::RemName")));
+	iWin32Socket.GetPeerName(static_cast<TInetAddr&>(anAddr)); // Throw away error code.
+	}
+
+TUint CWinSockTcpProvider::Write(const TDesC8& aDesc, TUint /*options*/, TSockAddr* /*anAddr*/)
+	{
+	WSP_LOG(WspLog::Printf(_L("CWinSockTcpProvider::Write: writing %d bytes"), aDesc.Length()));
+	WSP_RAW_LOG(WspLog::WriteRawOutbound(aDesc));
+	if (iSendSocketWrapper->IsActive())
+		{
+		return 0;
+		}
+
+	TInt err = FillSendBuffer(aDesc);
+	if (err)
+		{
+		iSocket->Error(err, MSocketNotify::EErrorSend);
+		return 0;
+		}
+	iSendSocketWrapper->Send(*iSendBuffer);
+	return iSendBuffer->Length();
+	}
+
+void CWinSockTcpProvider::GetData(TDes8& aDesc, TUint /*aOptions*/, TSockAddr* /*anAddr*/)
+	{
+	WSP_LOG(WspLog::Write(_L("CWinSockTcpProvider::GetData")));
+	TInt esockBufferSize = aDesc.Length();
+	if (esockBufferSize >= iEsockReadBuffer.Length())
+		{
+		WSP_LOG(WspLog::Printf(_L("\tCopying all %d bytes up to ESock"), iEsockReadBuffer.Length()));
+		aDesc.Copy(iEsockReadBuffer);
+		StartReceive();
+		}
+	else
+		{
+		WSP_LOG(WspLog::Printf(_L("\tESock buffer size: %d, available data: %d"), esockBufferSize, iEsockReadBuffer.Length()));
+		aDesc.Copy(iEsockReadBuffer.Left(esockBufferSize));
+		iEsockReadBuffer.Set(iEsockReadBuffer.Right(iEsockReadBuffer.Length() - esockBufferSize));
+		}
+
+	WSP_RAW_LOG(WspLog::WriteRawInbound(aDesc));
+	}
+
+void CWinSockTcpProvider::Start()
+	{
+	if (iListeningSap)
+		{
+		iListeningSap->HandleListeningSapStarted();
+		iListeningSap = NULL;
+		}
+	}
+
+void CWinSockTcpProvider::ActiveOpen()
+	{
+	WSP_LOG(WspLog::Write(_L("CWinSockTcpProvider::ActiveOpen")));
+	TInt err = iConnectSocketWrapper->Connect(iRemoteAddr);
+	if (err)
+		{
+		iSocket->Error(err, MSocketNotify::EErrorConnect);
+		}
+	}
+
+TInt CWinSockTcpProvider::PassiveOpen(TUint aQue)
+	{
+	WSP_LOG(WspLog::Write(_L("CWinSockTcpProvider::PassiveOpen")));
+	TRAPD(err, DoPassiveOpenL(aQue));
+	return err;
+	}
+
+TInt CWinSockTcpProvider::GetOption(TUint aLevel, TUint aName, TDes8& anOption) const
+	{
+	if (aLevel == KSolInetTcp)
+		{
+		switch (aName)
+			{
+			case KSoTcpNoDelay:
+				{
+				BOOL bOptVal = FALSE;
+				TInt length = sizeof(BOOL);
+				TInt err = iWin32Socket.GetOption(IPPROTO_TCP, TCP_NODELAY, (char*)&bOptVal, &length);
+				if (err == KErrNone)
+					{
+					TPckg<TInt> intPackage(bOptVal);
+					anOption.Copy(intPackage);
+					}
+				return err;
+				}
+			}
+		}
+
+	return CWinSockProviderBase::GetOption(aLevel, aName, anOption);
+	}
+
+TInt CWinSockTcpProvider::SetOption(TUint aLevel, TUint aName, const TDesC8& anOption)
+	{
+	if (aLevel == KSolInetTcp)
+		{
+		switch (aName)
+			{
+			case KSoTcpNoDelay:
+				{
+				TPckgC<TInt> intPackage(0);
+				intPackage.Set(anOption);
+				BOOL bOptVal = intPackage();
+				return iWin32Socket.SetOption(IPPROTO_TCP, TCP_NODELAY, (char*)&bOptVal, sizeof(BOOL));
+				}
+			}
+		}
+
+	return CWinSockProviderBase::SetOption(aLevel, aName, anOption);
+	}
+
+void CWinSockTcpProvider::HandleWin32SocketCompletion(TRequestType aRequestType, TInt aError)
+	{
+	switch (aRequestType)
+		{
+		case MWin32SocketObserver::EConnect:
+			{
+			WSP_LOG(WspLog::Printf(_L("CWinSockTcpProvider::HandleWin32SocketCompletion: EConnect, error: %d"), aError));
+			if (aError)
+				{
+				iSocket->Error(aError, MSocketNotify::EErrorConnect);
+				}
+			else
+				{
+				StartReceive();
+				if (iSocket)
+					{
+					iSocket->ConnectComplete();
+					}
+				}
+			break;
+			}
+		case MWin32SocketObserver::ESend:
+			{
+			WSP_LOG(WspLog::Printf(_L("CWinSockTcpProvider::HandleWin32SocketCompletion: ESend, error: %d"), aError));
+			if (iSocket)
+				{
+				if (aError)
+					{
+					iSocket->Error(aError, MSocketNotify::EErrorSend);
+					}
+				else
+					{
+					iSocket->CanSend();
+					}
+				}
+			break;
+			}
+		case MWin32SocketObserver::EReceive:
+			{
+			WSP_LOG(WspLog::Printf(_L("CWinSockTcpProvider::HandleWin32SocketCompletion: EReceive, error: %d"), aError));
+			if (aError)
+				{
+				if (iSocket)
+					{
+					iSocket->Error(aError, MSocketNotify::EErrorRecv);
+					}
+				}
+			else
+				{
+				iEsockReadBuffer.Set(iWinSockWriteBuffer);
+				TInt receivedBytes = iEsockReadBuffer.Length();
+				WSP_LOG(WspLog::Printf(_L("\t %d bytes received"), receivedBytes));
+				if (iSocket)
+					{
+					if (receivedBytes)
+						{
+						iSocket->NewData(receivedBytes);
+						}
+					else
+						{
+						iSocket->NewData(KNewDataEndofData);
+						}
+					}
+				}
+			break;
+			}
+		case MWin32SocketObserver::EAccept:
+			{
+			WSP_LOG(WspLog::Printf(_L("CWinSockTcpProvider::HandleWin32SocketCompletion: EAccept, error: %d"), aError));
+			iAcceptSap->StartReceive();
+			CWinSockProviderBase& acceptSap = *iAcceptSap;
+			iAcceptSap = NULL;	// This pointer will be reused when our HandleListeningSapStarted gets, which may be as a result of the next CSocket::ConnectComplete call.
+			iSocket->ConnectComplete(acceptSap);
+			break;
+			}
+		case MWin32SocketObserver::ESendTo:
+		case MWin32SocketObserver::EReceiveFrom:
+		default:
+			{
+			__ASSERT_DEBUG(EFalse, Panic(EWinSockPrtInvalidTcpSocketRequestType));
+			}
+		}
+	}
+
+void CWinSockTcpProvider::DoPassiveOpenL(TUint aQue)
+	{
+	__ASSERT_DEBUG(iAcceptSap == NULL, Panic(EWinSockPrtCWinSockTcpProviderDoPassiveOpenLAcceptSapNotNull));
+	CWinSockTcpProvider* acceptSap = CWinSockTcpProvider::NewBlankLC(iWin32Factory);
+	acceptSap->SetListeningSap(*this);
+	User::LeaveIfError(iWin32Socket.Listen(aQue));
+	User::LeaveIfError(iAcceptSocketWrapper->Accept(acceptSap->iWin32Socket));
+	CleanupStack::Pop(acceptSap);
+	iAcceptSap = acceptSap;
+	}
+
+void CWinSockTcpProvider::StartReceive()
+	{
+	iWinSockWriteBuffer.Zero();
+	iReceiveSocketWrapper->Receive(iWinSockWriteBuffer);
+	}
+
+void CWinSockTcpProvider::SetListeningSap(CWinSockTcpProvider& aListeningSap)
+	{
+	__ASSERT_DEBUG(iListeningSap == NULL, Panic(EWinSockPrtCWinSockTcpProviderSetListeningSapAlreadySet));
+	iListeningSap = &aListeningSap;
+	}
+
+void CWinSockTcpProvider::HandleListeningSapStarted()
+	{
+	__ASSERT_DEBUG(iAcceptSap == NULL, Panic(EWinSockPrtCWinSockTcpProviderStartAcceptSapNotNull));
+	CWinSockTcpProvider* acceptSap = CWinSockTcpProvider::NewBlankLC(iWin32Factory);
+	acceptSap->SetListeningSap(*this);
+	User::LeaveIfError(iAcceptSocketWrapper->Accept(acceptSap->iWin32Socket));
+	CleanupStack::Pop(acceptSap);
+	iAcceptSap = acceptSap;
+	}
+
+
+//
+// CWinSockUdpProvider.
+//
+
+CWinSockUdpProvider* CWinSockUdpProvider::NewL(RWin32Factory& aWin32Factory)
+	{
+	CWinSockUdpProvider* self = new(ELeave) CWinSockUdpProvider(aWin32Factory);
+	CleanupStack::PushL(self);
+	self->ConstructL();
+	CleanupStack::Pop(self);
+	return self;
+	}
+
+TInt CWinSockUdpProvider::SetLocalName(TSockAddr& anAddr)
+	{
+	TInt err = CWinSockProviderBase::SetLocalName(anAddr);
+	if (err == KErrNone)
+		{
+		iReceiveSocketWrapper->ReceiveFrom(iWinSockWriteBuffer, iReceiveFromAddress);
+		}
+	return err;
+	}
+
+void CWinSockUdpProvider::RemName(TSockAddr& anAddr) const
+	{
+	anAddr = iRemoteAddr;
+	}
+
+TUint CWinSockUdpProvider::Write(const TDesC8& aDesc, TUint /*options*/, TSockAddr* anAddr)
+	{
+	WSP_LOG(WspLog::Printf(_L("CWinSockUdpProvider::Write: writing %d bytes"), aDesc.Length()));
+	WSP_RAW_LOG(WspLog::WriteRawOutbound(aDesc));
+	if (iSendSocketWrapper->IsActive())
+		{
+		return 0;
+		}
+	TInt err = FillSendBuffer(aDesc);
+	if (err)
+		{
+		iSocket->Error(err, MSocketNotify::EErrorSend);
+		return 0;
+		}
+	if (anAddr)
+		{
+		iSendSocketWrapper->SendTo(*iSendBuffer, *anAddr);
+		}
+	else
+		{
+		iSendSocketWrapper->SendTo(*iSendBuffer, iRemoteAddr);
+		}
+	return iSendBuffer->Length();
+	}
+
+void CWinSockUdpProvider::GetData(TDes8 &aDesc, TUint /*aOptions*/, TSockAddr* anAddr)
+	{
+	WSP_LOG(WspLog::Write(_L("CWinSockUdpProvider::GetData")));
+	TInt esockBufferSize = aDesc.Length();
+	if (esockBufferSize >= iEsockReadBuffer.Length())
+		{
+		WSP_LOG(WspLog::Printf(_L("\tCopying all %d bytes up to ESock"), iEsockReadBuffer.Length()));
+		aDesc.Copy(iEsockReadBuffer);
+		}
+	else
+		{
+		WSP_LOG(WspLog::Printf(_L("\tESock buffer size: %d, available data: %d"), esockBufferSize, iEsockReadBuffer.Length()));
+		aDesc.Copy(iEsockReadBuffer.Left(esockBufferSize)); // Throw away remainder.
+		}
+
+	WSP_RAW_LOG(WspLog::WriteRawInbound(aDesc));
+
+	if (anAddr)
+		{
+		anAddr->Copy(iReceiveFromAddress);
+		}
+	iWinSockWriteBuffer.Zero();
+	iReceiveSocketWrapper->ReceiveFrom(iWinSockWriteBuffer, iReceiveFromAddress);
+	}
+
+void CWinSockUdpProvider::Start()
+	{
+	}
+
+void CWinSockUdpProvider::ActiveOpen(void)
+	{
+	__ASSERT_DEBUG(EFalse, Panic(EWinSockPrtCWinSockUdpProviderActiveOpenUnexpectedCall));
+	}
+
+TInt CWinSockUdpProvider::PassiveOpen(TUint /*aQue*/)
+	{
+	__ASSERT_DEBUG(EFalse, Panic(EWinSockPrtCWinSockUdpProviderPassiveOpenUnexpectedCall));
+	return 0;
+	}
+
+void CWinSockUdpProvider::HandleWin32SocketCompletion(TRequestType aRequestType, TInt aError)
+	{
+	switch (aRequestType)
+		{
+		case MWin32SocketObserver::ESendTo:
+			{
+			WSP_LOG(WspLog::Printf(_L("CWinSockUdpProvider::HandleWin32SocketCompletion: ESendTo, error: %d"), aError));
+			if (aError)
+				{
+				iSocket->Error(aError, MSocketNotify::EErrorSend);
+				}
+			else
+				{
+				iSocket->CanSend();
+				}
+			break;
+			}
+		case MWin32SocketObserver::EReceiveFrom:
+			{
+			WSP_LOG(WspLog::Printf(_L("CWinSockUdpProvider::HandleWin32SocketCompletion: EReceiveFrom, error: %d"), aError));
+			if (aError)
+				{
+				iSocket->Error(aError, MSocketNotify::EErrorRecv);
+				}
+			else
+				{
+				iEsockReadBuffer.Set(iWinSockWriteBuffer);
+				WSP_LOG(WspLog::Printf(_L("\t %d bytes received"), iEsockReadBuffer.Length()));
+				iSocket->NewData(1);
+				}
+			break;
+			}
+		case MWin32SocketObserver::EConnect:
+		case MWin32SocketObserver::ESend:
+		case MWin32SocketObserver::EReceive:
+		case MWin32SocketObserver::EAccept:
+		default:
+			{
+			__ASSERT_DEBUG(EFalse, Panic(EWinSockPrtInvalidUdpSocketRequestType));
+			}
+		}
+	}
+
+CWinSockUdpProvider::~CWinSockUdpProvider()
+	{
+	}
+
+CWinSockUdpProvider::CWinSockUdpProvider(RWin32Factory& aWin32Factory)
+	: CWinSockProviderBase(aWin32Factory)
+	{
+	}
+
+void CWinSockUdpProvider::ConstructL()
+	{
+	User::LeaveIfError(iWin32Socket.Open(iWin32Factory, RWin32Socket::EUdp));
+	CWinSockProviderBase::ConstructL();
+	}