1 // Copyright (c) 1997-2009 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 "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 #if !defined(__MBufPktQ_inl__)

    17 #define __MBufPktQ_inl__

    18 

    19 //

    20 // MBUF PACKET QUEUE

    21 //

    22 

    23 /**

    24 Check if the queue is empty

    25 @return True if Empty

    26 */

    27 inline TBool RMBufPktQ::IsEmpty() const

    28 /**

    29 MBUF PACKET QUEUE

    30 */

    31 	{ return iNext.IsEmpty(); }

    32 

    33 /**

    34 Returns the first in the queue

    35 @return the first in the queue

    36 */

    37 inline const RMBufChain& RMBufPktQ::First() const

    38 	 { return iNext; }

    39 

    40 /**

    41 Returns the last in the queue

    42 @return The last in the queue

    43 */

    44 inline const RMBufChain& RMBufPktQ::Last() const

    45 	 { return iLast; }

    46 

    47 //

    48 // MBUF PACKET QUEUE ITREATOR

    49 //

    50 /**

    51 Constructor

    52 */

    53 inline TMBufPktQIter::TMBufPktQIter(RMBufPktQ& aQueue)

    54 	: iQueue(&aQueue), iCurrent(aQueue.First())

    55 	{ }

    56 

    57 /**

    58 Iterates to a a position of an element in the queue

    59 @param aQueue the elemet to iterate to

    60 */

    61 inline void TMBufPktQIter::Set(RMBufPktQ& aQueue)

    62 	{ iQueue = &aQueue; SetToFirst(); }

    63 

    64 /**

    65 Sets to first position

    66 */

    67 inline void TMBufPktQIter::SetToFirst()

    68 	{ iCurrent = iQueue->First(); iPrev.Init(); }

    69 

    70 /**

    71 Checks if there is more in the queue

    72 @return True if there is more in the queue

    73 */

    74 inline TBool TMBufPktQIter::More() const

    75 	{ return !iCurrent.IsEmpty(); }

    76 

    77 /**

    78 Returns the element in the current position

    79 @return The Mbuf in the current position

    80 */

    81 inline const RMBufChain& TMBufPktQIter::Current() const

    82 	{ return iCurrent; }

    83 

    84 #endif // __MBufPktQ_inl__