epoc32/include/eui_addr.h
branchSymbian2
changeset 2 2fe1408b6811
parent 0 061f57f2323e
child 4 837f303aceeb
--- a/epoc32/include/eui_addr.h	Tue Nov 24 13:55:44 2009 +0000
+++ b/epoc32/include/eui_addr.h	Tue Mar 16 16:12:26 2010 +0000
@@ -1,1 +1,196 @@
-eui_addr.h
+// Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// 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
+// which accompanies this distribution, and is available
+// at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// eui_addr.h - modified EUI-xx for IPv6 interface identifiers
+// Modified EUI-xx address structure for IPv6 interface identifiers
+//
+
+
+
+/**
+ @file eui_addr.h
+ @publishedAll
+ @released
+*/
+
+#ifndef __EUI_ADDR_H__
+#define __EUI_ADDR_H__
+
+#include <e32def.h>		// TUint*
+#include "es_sock.h"	// TSockAddr
+
+/**  Address family ID */
+const TUint KAfEui64	= 0x0F64;	///< TODO
+
+/**  Panic codes.
+@publishedAll
+@released
+*/
+enum TEuiPanic
+{
+	EEuiPanicFamilyMismatch,
+	EEuiPanicBitIsNotBit,
+	EEuiPanicSourceTooLong
+};
+
+
+//
+// Lots of these functions should be inlined -tom
+//
+
+/**
+ * The raw 64 bits of Modified EUI-64 address stored in network byte order.
+ * @publishedAll
+ * @released
+ */
+class TE64Addr
+{
+ public:
+	IMPORT_C TE64Addr();					///< Constructs an address with zero value
+	IMPORT_C TE64Addr(const TE64Addr& aAddr);		///< Constructs an address with given value
+	IMPORT_C TE64Addr(const TInt64& aAddr);			///< Constructs an address with given value
+	IMPORT_C TE64Addr(const TUint8* aPtr, TUint aLength);	///< Constructs an address with given value
+
+	IMPORT_C void SetAddr(const TE64Addr& aAddr);			///< Sets the address value
+	IMPORT_C void SetAddr(const TInt64& aAddr);			///< Sets the address value
+	IMPORT_C void SetAddr(const TUint8* aPtr, TUint aLength);	///< Sets the address value
+
+
+	IMPORT_C void SetAddrZero();	///< Creates a zero address
+
+	/**
+	 * Creates a random address.
+	 * The Group bit is set to 0.
+	 * The Universal bit is set to 0.
+	 */
+	IMPORT_C void SetAddrRandom();
+
+	/**
+	 * Creates a random non-zero address.
+	 * The Group bit is set to 0.
+	 * The Universal bit is set to 0.
+	 */
+	IMPORT_C void SetAddrRandomNZ();
+
+	/**
+	 * Creates a random non-zero address that does not match the parameter address.
+	 * The Group bit is set to 0.
+	 * The Universal bit is set to 0.
+	 */
+	IMPORT_C void SetAddrRandomNZButNot(const TE64Addr& aAddr);
+
+	// Really should define TE48Addr for this... -tom
+	IMPORT_C void SetAddrFromEUI48(const TUint8* aPtr);	///< Reads and converts a value from EUI-48 (6 bytes)
+
+	IMPORT_C void SetGroupBit(TBool aBit = 1);		///< Sets the Group bit to 1 by default
+	IMPORT_C void SetUniversalBit(TBool aBit = 1);		///< Sets the Universal bit to 1 by default
+
+	IMPORT_C TBool Match(const TE64Addr& aAddr) const;	///< TRUE if the address matches given address
+	IMPORT_C TBool IsZero() const;				///< TRUE if the address is a zero address
+	IMPORT_C TBool IsGroup() const;				///< TRUE if the Group bit is set in the address
+	IMPORT_C TBool IsUniversal() const;			///< TRUE if the Universal bit is set in the address
+
+//	IMPORT_C TInt Input(const TDesC& aBuf);			///< Reads a value for the address from a string
+	IMPORT_C void Output(TDes& aBuf) const;			///< Writes the address into a string
+	
+	IMPORT_C static TUint AddrLen();			///< Returns the size of raw KAfEui64 content format
+	IMPORT_C TUint8* AddrPtr();				///< Returns a pointer to raw KAfEui64 content format
+	IMPORT_C const TUint8* AddrPtrC() const;		///< Returns a const pointer to raw KAfEui64 content format
+
+ private:
+	union
+	{
+		TUint8 iAddr8[64 / 8];
+		TUint16 iAddr16[64 / 16];
+		TUint32 iAddr32[64 / 32];
+	} u;
+};
+
+struct SE64Addr {
+	TE64Addr iAddr;		///< 8 bytes of Modified EUI-64 address (64 bits)
+};
+
+/**
+ * This class specializes the generic socket server address class
+ * TSockAddr for the IPv6 Interface Identifier; the Modified EUI-64
+ * address. Value KAfEui64 is used for the protocol family field
+ * of the TSockAddr base class.
+ *
+ * @publishedAll
+ * @released
+ */
+class TEui64Addr : public TSockAddr
+{
+ public:
+	/**
+	 * Constructs a basic IPv6 Interface Identifier.
+	 * The family is initialized to KafEui64.
+	 * The port (unused) is initialized to 0.
+	 * The address is set to zero address.
+	 */
+	IMPORT_C TEui64Addr();
+
+	/**
+	 * Constructs an IPv6 Interface Identifier from TSockAddr.
+	 * The family of the parameter must be KAfEui64 or 0.
+	 * The family of the resulting address is KAfEui64.
+	 * The port (unused) is initialized to 0.
+	 * The address bytes are copied from the parameter.
+	 *
+	 * @param anAddr TSockAddr to be used as initial content.
+	 */
+	IMPORT_C TEui64Addr(const TSockAddr& aAddr);
+
+	/**
+	 * Constructs an IPv6 Interface Identifier from TE64Addr.
+	 * The family is initialized to KAfEui64.
+	 * The port (unused) is initialized to 0.
+	 * The address bytes are copied from the parameter.
+	 *
+	 * @param aAddr TE64Addr to be used as initial content.
+	 */
+	inline TEui64Addr(const TE64Addr& aAddr);
+
+	/**
+	 * Initializes the TSockAddr parts of an IPv6 Interface Identifier.
+	 * The family is set to KAfEui64.
+	 * The port (unused) is initialized to 0.
+	 * The address bytes are not touched.
+	 */
+	IMPORT_C void Init();
+
+	/**
+	 * Sets the address bytes to given value.
+	 * The other TSockAddr fields are not touched.
+	 */
+	IMPORT_C void SetAddress(const TE64Addr& aAddr);
+	IMPORT_C TE64Addr& Address() const;	///< Accesses the address bytes
+
+	IMPORT_C TBool Match(const TEui64Addr& aAddr) const;	///< TRUE if the address bytes match the parameter's
+	IMPORT_C TBool IsZero() const;				///< TRUE if the address bytes are all zeros
+
+	IMPORT_C static TEui64Addr& Cast(const TSockAddr& aAddr);	///< Unsafely casts a TSockAddr to TEui64Addr
+	IMPORT_C static TEui64Addr& Cast(const TSockAddr* aAddr);	///< Unsafely casts a TSockAddr to TEui64Addr
+
+ protected:
+	IMPORT_C SE64Addr* AddrPtr() const;	///< Returns a pointer to KAfEui64 content format
+	IMPORT_C static TUint AddrLen();	///< Returns the size of the KAfEui64 content format
+};
+
+inline TEui64Addr::TEui64Addr(const TE64Addr& aAddr) : TSockAddr()
+{
+	Init();
+	SetAddress(aAddr);
+};
+
+#endif