--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/commsfwsupport/commselements/nodemessages/src/nm_interfaces.cpp	Thu Dec 17 09:22:25 2009 +0200
@@ -0,0 +1,244 @@
+// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "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:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+/**
+ @file
+*/
+
+#include "nm_common.h"
+#include "nm_interfaces.h"
+#include <elements/nm_transport.h>
+#include <elements/nm_address_internal.h>
+#include "nm_signals.h"
+
+
+#ifdef _DEBUG
+// Panic category for "absolutely impossible!" vanilla ASSERT()-type panics from this module
+// (if it could happen through user error then you should give it an explicit, documented, category + code)
+_LIT(KSpecAssert_ElemNodeMessIntC, "ElemNodeMessIntC");
+#endif
+
+using namespace Messages;
+using namespace Meta;
+
+//
+//TClientType
+namespace Mem4NullType
+{
+static const TUint8 mem[sizeof(TClientType)] = {0};
+}
+
+EXPORT_C const TClientType& TClientType::NullType() {return *reinterpret_cast<const TClientType*>(Mem4NullType::mem);}
+
+/******************************************************************************************************
+*
+*
+* RClientInterface
+*
+*
+*******************************************************************************************************/
+EXPORT_C RClientInterface::RClientInterface()
+:	iTransportSender(NULL)
+	{
+	Mem::FillZ(iRecipientAddress, sizeof(iRecipientAddress));
+	}
+
+EXPORT_C RClientInterface::~RClientInterface()
+	{
+	}
+
+EXPORT_C void RClientInterface::Open(const TRuntimeCtxId& aPostTo, MTransportSender* aSender)
+	{
+	iTransportSender = aSender? aSender : &TlsGlobals::Get().TransportSender();
+	RecipientRef() = aPostTo; //This a deep copy
+	}
+
+EXPORT_C void RClientInterface::Close()
+	{
+	iTransportSender = NULL;
+	Mem::FillZ(iRecipientAddress, sizeof(iRecipientAddress));
+	}
+
+EXPORT_C TBool RClientInterface::IsOpen() const
+	{
+	return iTransportSender != NULL;
+	}
+
+
+EXPORT_C /*static*/ void RClientInterface::OpenPostMessageClose(const TRuntimeCtxId& aPostFrom, const TRuntimeCtxId& aPostTo, const TSignalBase& aMessage)
+	{
+	RClientInterface client;
+	client.Open(aPostTo);
+	client.PostMessage(aPostFrom, aMessage);
+	client.Close();
+	}
+
+EXPORT_C void RClientInterface::PostMessage(const TRuntimeCtxId& aPostFrom, const TSignalBase& aMessage) const
+	{
+	PostMessage(aPostFrom, RecipientId(), aMessage);
+	}
+
+EXPORT_C TBool RClientInterface::operator==(const TRuntimeCtxId& aRHS) const
+	{
+	return RecipientRef() == aRHS;
+	}
+
+EXPORT_C TBool RClientInterface::operator==(const RClientInterface& aRHS) const
+	{
+	return RecipientRef() == aRHS.RecipientRef();
+	}
+
+void RClientInterface::PostMessage(const TRuntimeCtxId& aPostFrom, const TRuntimeCtxId& aPostTo, const TSignalBase& aMessage) const
+	{
+	__ASSERT_DEBUG(iTransportSender, User::Panic(KMessagesPanic, ETransportNotOpened));	// Interface not properly initialised; needs transport for this sending thread
+	__ASSERT_DEBUG(aPostTo.Size() > 0, User::Panic(KMessagesPanic, EAddressNotValidPanic));
+
+	iTransportSender->PostMessage(aPostFrom, aPostTo, aMessage);
+	}
+
+/******************************************************************************************************
+*
+*
+* RNodeInterface
+*
+*
+*******************************************************************************************************/
+EXPORT_C void RNodeInterface::Open(TNodeId aPostTo, const TClientType& aClientType, MTransportSender* aSender)
+/*
+Opens 'this'.
+aPostTo by value on purpose as clients may be calling ::Open with subclasses of TNodeId, we must trunkate.
+*/
+	{
+	RClientInterface::Open(aPostTo, aSender);
+	iClientType = aClientType;
+	}
+
+EXPORT_C void RNodeInterface::Close()
+	{
+	RClientInterface::Close();
+	iClientType = TClientType::NullType();
+	}
+
+
+EXPORT_C void RNodeInterface::PostMessage(const TRuntimeCtxId& aPostFrom, const TNodeId::TRemainder& aPostTo, const TSignalBase& aMessage) const
+	{
+	TUint8 postTo[__Align8(TRuntimeCtxId::KMaxInlineAddressSize)];
+	Mem::Copy(postTo, &RecipientId(), sizeof(TNodeId));
+	Mem::Copy(postTo + sizeof(TNodeId), aPostTo.iRemainder, aPostTo.Size());
+	postTo[0] = aPostTo.Size() + sizeof(TNodeId);
+	postTo[0] |= TRuntimeCtxId::KIsNullMask8;
+
+	RClientInterface::PostMessage(aPostFrom, *reinterpret_cast<TRuntimeCtxId*>(postTo), aMessage);
+	}
+
+
+EXPORT_C TBool RNodeInterface::operator==(const RNodeInterface& aRHS) const
+	{
+	return RecipientId() == aRHS.RecipientId();
+	}
+
+/******************************************************************************************************
+*
+*
+* TClientIterBase
+*
+*
+*******************************************************************************************************/
+EXPORT_C RNodeInterface* TClientIterBase::operator[](TInt aInd)
+    {
+    // assuming at present that array indices start from beginning of array
+    // rather than current location of iterator, and array access doesn't
+    // change location of iterator.
+	TInt prevIndex = iIndex;
+	TInt start = 0;
+    RNodeInterface* cli = Find(start, +1, aInd + 1);
+	iIndex = prevIndex;
+	return cli;
+    }
+
+EXPORT_C RNodeInterface* TClientIterBase::Find(TInt& aInd, TInt aDir, TInt aCount)
+    {
+    while (aInd >= 0 && aInd < iClients.Count())
+        {
+        RNodeInterface* ctl = iClients[aInd];
+        if (TypeMatch(*ctl) && --aCount <= 0)
+            {
+            iIndex = aInd;
+            return ctl;
+            }
+        aInd += aDir;
+        }
+    return NULL;
+    }
+
+
+/******************************************************************************************************
+*
+*
+* RRequestOriginator
+*
+*
+*******************************************************************************************************/
+EXPORT_C TInt RRequestOriginator::Open(Messages::RNodeInterface& aNode, const Messages::TRuntimeCtxId& aRequestOriginator)
+	{
+	if (aNode == aRequestOriginator)
+		{
+		iNode = &aNode;
+		iRemainder = aRequestOriginator;
+		return KErrNone;
+		}
+	return KErrArgument;
+	}
+
+EXPORT_C void RRequestOriginator::Open(RRequestOriginator& aOriginalRequest)
+	{
+	__ASSERT_DEBUG(aOriginalRequest.IsOpen(), User::Panic(KSpecAssert_ElemNodeMessIntC, 1));
+	iNode = aOriginalRequest.iNode;
+	iRemainder = aOriginalRequest.iRemainder;
+	aOriginalRequest.Close();
+	}
+
+EXPORT_C TBool RRequestOriginator::IsOpen() const
+	{
+	return iNode != NULL;
+	}
+
+EXPORT_C TBool RRequestOriginator::operator==(const RRequestOriginator& aRHS) const
+	{
+	return (Node().RecipientId() == aRHS.Node().RecipientId()) && (iRemainder == aRHS.iRemainder);
+	}
+
+EXPORT_C TBool RRequestOriginator::operator==(const TRuntimeCtxId& aRHS) const
+	{
+	return (iNode->RecipientId() == aRHS) && (iRemainder == aRHS);
+	}
+
+EXPORT_C void RRequestOriginator::Close()
+	{
+	iNode = NULL;
+	}
+
+EXPORT_C void RRequestOriginator::PostMessage(const Messages::TRuntimeCtxId& aPostFrom, const Messages::TSignalBase& aMessage) const
+	{
+	__ASSERT_DEBUG(IsOpen(), User::Panic(KMessagesPanic, EClientNotValidPanic));
+	iNode->PostMessage(aPostFrom, iRemainder, aMessage);
+	}
+
+EXPORT_C void RRequestOriginator::ReplyTo(const Messages::TRuntimeCtxId& aReplyFrom, const Messages::TSignalBase& aMessage)
+	{
+	PostMessage(aReplyFrom, aMessage);
+	Close();
+	}
+