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1 /* |
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2 * Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of the License "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: WlanChunk implementation |
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15 * |
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16 */ |
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17 |
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18 /* |
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19 * %version: 10 % |
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20 */ |
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21 |
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22 #include "osa_includeme.h" |
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23 |
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24 #include <wlanosa.h> |
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25 |
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26 #include "osachunk.h" |
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27 #include "osaheap.h" |
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28 |
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29 // --------------------------------------------------------------------------- |
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30 // |
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31 // --------------------------------------------------------------------------- |
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32 // |
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33 WlanChunk::WlanChunk( |
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34 TUint8* aStartOfBuf, |
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35 TUint8* aEndOfBuf, |
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36 TInt aAllocationUnit ) |
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37 { |
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38 iHeap = RWlanHeap::FixedHeap( |
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39 aStartOfBuf, |
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40 aEndOfBuf - aStartOfBuf, |
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41 aAllocationUnit ); |
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42 |
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43 TraceDump(INFO_LEVEL | MEMCHUNK, |
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44 (("[WLAN] WlanChunk ctor -: 0x%08x"), this)); |
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45 } |
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46 |
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47 // --------------------------------------------------------------------------- |
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48 // |
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49 // --------------------------------------------------------------------------- |
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50 // |
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51 WlanChunk::~WlanChunk() |
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52 { |
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53 TraceDump(INFO_LEVEL | MEMCHUNK, |
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54 (("[WLAN] WlanChunk dtor +: 0x%08x"), this)); |
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55 |
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56 TraceDump(INFO_LEVEL | MEMCHUNK, |
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57 (("[WLAN] WlanChunk dtor -: 0x%08x"), this)); |
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58 } |
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59 |
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60 // --------------------------------------------------------------------------- |
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61 // |
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62 // --------------------------------------------------------------------------- |
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63 // |
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64 void* WlanChunk::Alloc( TInt aSize, TBool aZeroStamp ) |
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65 { |
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66 TraceDump(INFO_LEVEL | MEMCHUNK | MEMCHUNK_ALLOC, |
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67 (("[WLAN] WlanChunk::Alloc + this: 0x%08x"), this)); |
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68 TraceDump(MEMCHUNK_ALLOC, |
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69 (("[WLAN] allocation request size in bytes: %d"), aSize)); |
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70 |
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71 TAny* ptr = iHeap->Alloc( aSize ); |
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72 |
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73 if ( ptr && aZeroStamp ) |
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74 { |
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75 memset( ptr, 0, aSize ); |
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76 } |
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77 TraceDump(INFO_LEVEL | MEMCHUNK | MEMCHUNK_ALLOC, |
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78 (("[WLAN] WlanChunk::Alloc - this: 0x%08x"), this)); |
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79 |
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80 return ptr; |
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81 } |
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82 |
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83 // --------------------------------------------------------------------------- |
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84 // |
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85 // --------------------------------------------------------------------------- |
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86 // |
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87 void WlanChunk::Free( void* aPtr ) |
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88 { |
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89 iHeap->Free( aPtr ); |
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90 } |
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91 |
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92 // --------------------------------------------------------------------------- |
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93 // |
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94 // --------------------------------------------------------------------------- |
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95 // |
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96 TInt WlanChunk::MaxFreeLinkSize() const |
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97 { |
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98 TraceDump(INFO_LEVEL | MEMCHUNK , |
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99 (("[WLAN] WlanChunk::MaxFreeLinkSize +- this: 0x%08x"), this)); |
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100 |
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101 TInt available; |
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102 iHeap->Available( available ); |
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103 return available; |
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104 } |
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105 |
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106 // --------------------------------------------------------------------------- |
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107 // |
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108 // --------------------------------------------------------------------------- |
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109 // |
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110 TBool WlanChunk::IsInUse() const |
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111 { |
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112 TraceDump(INFO_LEVEL | MEMCHUNK , |
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113 (("[WLAN] WlanChunk::IsInUse +- this: 0x%08x"), this)); |
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114 |
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115 return ETrue; |
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116 } |
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117 |
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118 // --------------------------------------------------------------------------- |
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119 // |
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120 // --------------------------------------------------------------------------- |
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121 // |
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122 TInt WlanChunk::HeaderSize() const |
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123 { |
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124 return RWlanHeap::EAllocCellSize; |
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125 } |