vpnengine/vpnmanager/inc/uuid.h
changeset 0 33413c0669b9
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vpnengine/vpnmanager/inc/uuid.h	Thu Dec 17 09:14:51 2009 +0200
@@ -0,0 +1,82 @@
+/*
+* Copyright (c) 2005 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: Create a new UID for the policy.
+*
+*/
+
+
+
+/**
+ * @file
+ *
+ * Simple UUID generation and formatting support
+ */
+
+#ifndef __UUID_H__
+#define __UUID_H__
+
+const TInt KNodeMacOctets = 6;
+const TInt KUuidStringLen = 36;
+
+typedef TBuf<KUuidStringLen> TUuidString;
+typedef TBuf8<KUuidStringLen> TUuidString8;
+
+// Example UUID string: f81d4fae-7dec-11d0-a765-00a0c91e6bf6
+_LIT(KUuidFormatString,   "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x");
+_LIT8(KUuidFormatString8, "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x");
+
+/**
+ * Generally known UUID versions.
+ * NOTE. This implementation supports
+ * only version 4 (ERandomBased)
+ */
+enum TUuidVersion
+    {
+    ETimeBased      = (1 << 0), ///< v1, time-based version
+    EDceSecurity    = (1 << 1), ///< v2, DCE Security version
+    ENameBasedMd5   = (1 << 2), ///< v3, name-based version with MD5 hashing
+    ERandomBased    = (1 << 3), ///< v4, randomly or pseudo-randomly generated version
+    ENameBasedSha1  = (1 << 4)  ///< v5, name-based version with SHA-1 hashing
+    };
+
+class TUuid
+/**
+ * A value type class that represents a UUID
+ */
+    {
+public:    
+    TUint32 iTimeLow;               /* bits  0-31 of time field */
+    TUint16 iTimeMid;               /* bits 32-47 of time field */
+    TUint16 iTimeHiAndVersion;      /* bits 48-59 of time field plus 4 bit version */
+    TUint8  iClockSeqHiAndReserved; /* bits  8-13 of clock sequence field plus 2 bit variant */
+    TUint8  iClockSeqLow;           /* bits  0-7  of clock sequence field */
+    TUint8  iNode[KNodeMacOctets];  /* bits  0-47 of node MAC address */
+    };
+
+class Uuid
+/**
+ * A class for creating UUIDs and formatting them as strings
+ */
+    {
+public:    
+    static void MakeUuidL(TUuid& aUuid, TUuidVersion aVersion = ERandomBased);
+    static void UuidToString(const TUuid& aUuid, TUuidString& aUuidString);
+    static void UuidToString(const TUuid& aUuid, TUuidString8& aUuidString);
+    
+private:
+    static void RandomizeL(TUuid& aUuid);
+    static void Brand(TUuid& aUuid, TUuidVersion aVersion);
+    };
+
+#endif // __UUID_H__