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1 /* |
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2 * Copyright (c) 2002-2009 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 "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: Memory management function for WimServer to handle WIMI memory |
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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 // INCLUDE FILES |
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20 #include "WimMemMgmt.h" |
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21 #include "Wimi.h" // WIMI definitions |
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22 #include "WimConsts.h" |
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23 #include "WimTrace.h" |
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24 #include "WimCleanup.h" |
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25 |
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26 |
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27 // ============================ MEMBER FUNCTIONS =============================== |
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28 |
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29 // ----------------------------------------------------------------------------- |
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30 // CWimMemMgmt::CWimMemMgmt |
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31 // C++ default constructor can NOT contain any code, that |
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32 // might leave. |
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33 // ----------------------------------------------------------------------------- |
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34 // |
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35 CWimMemMgmt::CWimMemMgmt() |
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36 { |
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37 _WIMTRACE(_L("WIM | WIMServer | CWimMemMgmt::CWimMemMgmt | Begin")); |
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38 } |
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39 |
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40 // ----------------------------------------------------------------------------- |
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41 // CWimMemMgmt::ConstructL |
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42 // Symbian 2nd phase constructor can leave. |
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43 // ----------------------------------------------------------------------------- |
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44 // |
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45 void CWimMemMgmt::ConstructL() |
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46 { |
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47 _WIMTRACE(_L("WIM | WIMServer | CWimMemMgmt::ConstructL | Begin")); |
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48 } |
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49 |
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50 // ----------------------------------------------------------------------------- |
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51 // CWimMemMgmt::NewL |
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52 // Two-phased constructor. |
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53 // ----------------------------------------------------------------------------- |
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54 // |
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55 CWimMemMgmt* CWimMemMgmt::NewL() |
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56 { |
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57 _WIMTRACE(_L("WIM | WIMServer | CWimMemMgmt::NewL | Begin")); |
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58 CWimMemMgmt* self = new( ELeave ) CWimMemMgmt; |
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59 CleanupStack::PushL( self ); |
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60 self->ConstructL(); |
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61 CleanupStack::Pop( self ); |
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62 return self; |
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63 } |
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64 |
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65 // Destructor |
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66 CWimMemMgmt::~CWimMemMgmt() |
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67 { |
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68 _WIMTRACE(_L("WIM | WIMServer | CWimMemMgmt::~CWimMemMgmt | Begin")); |
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69 |
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70 TInt refsCount = iRefs.Count(); |
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71 for( TInt index = 0; index < refsCount; ++index ) |
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72 { |
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73 TWimiAllocRef* allocRef = iRefs[ index ]; |
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74 if( allocRef ) |
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75 { |
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76 if( allocRef->refType == EWimiRefpt ) |
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77 { |
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78 _WIMTRACE2(_L("WIM | WIMServer | CWimMemMgmt::~CWimMemMgmt | -ref 0x%08x"), allocRef->ref); |
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79 free_WIMI_Ref_t( allocRef->ref ); |
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80 } |
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81 else |
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82 { |
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83 _WIMTRACE2(_L("WIM | WIMServer | CWimMemMgmt::~CWimMemMgmt | -refLst 0x%08x"), allocRef->refLst); |
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84 free_WIMI_RefList_t( allocRef->refLst ); |
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85 } |
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86 } |
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87 } |
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88 iRefs.ResetAndDestroy(); |
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89 |
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90 if( iWimRef ) |
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91 { |
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92 _WIMTRACE2(_L("WIM | WIMServer | CWimMemMgmt::~CWimMemMgmt, -ref 0x%08x"), iWimRef); |
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93 free_WIMI_Ref_t( iWimRef ); |
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94 } |
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95 } |
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96 |
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97 // ----------------------------------------------------------------------------- |
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98 // CWimMemMgmt::SetWIMRef |
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99 // Sets active memory reference to iWimRef member variable. |
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100 // ----------------------------------------------------------------------------- |
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101 // |
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102 void CWimMemMgmt::SetWIMRef( WIMI_Ref_pt aWimRef ) |
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103 { |
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104 __ASSERT_DEBUG( iWimRef == NULL, User::Invariant() ); |
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105 _WIMTRACE2(_L("WIM | WIMServer | CWimMemMgmt::SetWIMRef, +ref 0x%08x"), aWimRef); |
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106 iWimRef = aWimRef; |
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107 } |
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108 |
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109 // ----------------------------------------------------------------------------- |
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110 // CWimMemMgmt::GetWIMRef |
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111 // Fetches active reference. |
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112 // ----------------------------------------------------------------------------- |
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113 // |
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114 WIMI_Ref_pt CWimMemMgmt::WimRef() |
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115 { |
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116 _WIMTRACE2(_L("WIM | WIMServer | CWimMemMgmt::GetWIMRef, iWimRef 0x%08x"), iWimRef); |
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117 return iWimRef; |
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118 } |
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119 |
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120 // ----------------------------------------------------------------------------- |
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121 // CWimMemMgmt::AppendWIMRefLstL |
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122 // Creates and appends a new WIMI_Alloc_Ref item to iRefs array. |
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123 // ----------------------------------------------------------------------------- |
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124 // |
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125 void CWimMemMgmt::AppendWIMRefLstL( WIMI_RefList_t aRefLst ) |
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126 { |
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127 _WIMTRACE(_L("WIM | WIMServer | CWimMemMgmt::AppendWIMRefLstL | Begin")); |
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128 CleanupPushWimRefListL( aRefLst ); // take ownership first |
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129 TWimiAllocRef* allocRef = new( ELeave ) TWimiAllocRef; |
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130 CleanupStack::PushL( allocRef ); |
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131 allocRef->refLst = aRefLst; |
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132 allocRef->refType = EWimiRefListt; |
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133 iRefs.AppendL( allocRef ); |
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134 _WIMTRACE2(_L("WIM | WIMServer | CWimMemMgmt::AppendWIMRefLstL, +refLst 0x%08x"), aRefLst); |
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135 CleanupStack::Pop( 2, aRefLst ); // allocRef, aRefLst |
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136 } |
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137 |
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138 // ----------------------------------------------------------------------------- |
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139 // CWimMemMgmt::AppendWIMRefL |
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140 // Creates and appends a new WIMI_Alloc_Ref item to iRefs array. |
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141 // ----------------------------------------------------------------------------- |
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142 // |
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143 void CWimMemMgmt::AppendWIMRefL( WIMI_Ref_pt aRef ) |
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144 { |
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145 _WIMTRACE(_L("WIM | WIMServer | CWimMemMgmt::AppendWIMRefL | Begin")); |
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146 CleanupPushWimRefL( aRef ); // take ownership first |
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147 TWimiAllocRef* allocRef = new( ELeave ) TWimiAllocRef; |
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148 CleanupStack::PushL( allocRef ); |
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149 allocRef->ref = aRef; |
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150 allocRef->refType = EWimiRefpt; |
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151 iRefs.AppendL( allocRef ); |
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152 _WIMTRACE2(_L("WIM | WIMServer | CWimMemMgmt::AppendWIMRefL, +ref 0x%08x"), aRef); |
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153 CleanupStack::Pop( 2, aRef ); // allocRef, aRef |
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154 } |
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155 |
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156 // ----------------------------------------------------------------------------- |
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157 // CWimMemMgmt::FreeRef |
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158 // Removes reference from the list and releases allocated memory. |
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159 // ----------------------------------------------------------------------------- |
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160 // |
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161 void CWimMemMgmt::FreeRef( WIMI_Ref_pt aRef ) |
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162 { |
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163 _WIMTRACE(_L("WIM | WIMServer | CWimMemMgmt::FreeRef | Begin")); |
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164 TInt count = iRefs.Count(); |
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165 for( TInt index = 0; index < count; index++ ) |
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166 { |
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167 TWimiAllocRef* allocRef = iRefs[ index ]; |
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168 if ( allocRef && ( allocRef->ref == aRef ) && ( allocRef->refType == EWimiRefpt ) ) |
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169 { |
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170 _WIMTRACE2(_L("WIM | WIMServer | CWimMemMgmt::FreeRef, -ref 0x%08x"), aRef); |
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171 iRefs.Remove( index ); |
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172 iRefs.Compress(); |
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173 free_WIMI_Ref_t( aRef ); |
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174 delete allocRef; |
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175 break; |
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176 } |
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177 } |
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178 } |
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179 |
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180 // ----------------------------------------------------------------------------- |
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181 // CWimMemMgmt::FreeWIMRefs |
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182 // Frees the reference(s) pointed by a client. |
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183 // ----------------------------------------------------------------------------- |
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184 // |
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185 void CWimMemMgmt::FreeWIMRefs( const RMessage2& aMessage ) |
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186 { |
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187 _WIMTRACE(_L("WIM | WIMServer | CWimMemMgmt::FreeWIMRefsL | Begin")); |
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188 TUint wimCount = aMessage.Int1(); |
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189 WIMI_Ref_pt ref = reinterpret_cast< WIMI_Ref_pt >( aMessage.Int0() ); |
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190 _WIMTRACE3(_L("WIM | WIMServer | CWimMemMgmt::FreeWIMRefsL | ref 0x%08x, wimCount %d"), |
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191 ref, wimCount); |
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192 |
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193 for( TUint8 wimIndex = 0; wimIndex < wimCount; wimIndex++ ) |
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194 { |
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195 _WIMTRACE2(_L("WIM | WIMServer | CWimMemMgmt::FreeWIMRefsL | index=%d"), wimIndex); |
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196 FreeRef( ref ); // TODO: fix, now deallocating the same ref in each loop? |
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197 } |
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198 |
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199 _WIMTRACE(_L("WIM | WIMServer | CWimMemMgmt::FreeWIMRefsL | End")); |
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200 aMessage.Complete( KErrNone ); |
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201 } |
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202 |
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203 // ----------------------------------------------------------------------------- |
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204 // CWimMemMgmt::FreeRefLst |
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205 // Frees the list of reference(s) pointed by a client. |
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206 // ----------------------------------------------------------------------------- |
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207 // |
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208 void CWimMemMgmt::FreeRefLst( const RMessage2& aMessage ) |
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209 { |
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210 _WIMTRACE(_L("WIM | WIMServer | CWimMemMgmt::FreeRefLst | Begin")); |
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211 WIMI_Ref_pt* refList = ( WIMI_Ref_pt* )aMessage.Int0(); |
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212 TInt count = iRefs.Count(); |
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213 for( TUint8 index = 0; index < count; index++ ) |
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214 { |
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215 TWimiAllocRef* allocRef = iRefs[ index ]; |
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216 if ( allocRef && ( allocRef->refLst == refList ) && ( allocRef->refType == EWimiRefListt )) |
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217 { |
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218 _WIMTRACE2(_L("WIM | WIMServer | CWimMemMgmt::FreeRefLst, -refList 0x%08x"), refList); |
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219 iRefs.Remove( index ); |
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220 iRefs.Compress(); |
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221 free_WIMI_RefList_t( refList ); |
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222 delete allocRef; |
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223 aMessage.Complete( KErrNone ); |
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224 return; |
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225 } |
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226 } |
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227 _WIMTRACE(_L("WIM | WIMServer | CWimMemMgmt::FreeRefLst | not found") ); |
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228 aMessage.Complete( KErrNotFound ); |
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229 } |
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230 |
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231 // ----------------------------------------------------------------------------- |
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232 // CWimMemMgmt::ValidateWIMRefL |
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233 // ----------------------------------------------------------------------------- |
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234 // |
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235 TBool CWimMemMgmt::ValidateWIMRefL( WIMI_Ref_pt aRef ) |
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236 { |
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237 _WIMTRACE(_L("WIM | WIMServer | CWimMemMgmt::ValidateWIMRefL | Begin")); |
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238 TInt count = iRefs.Count(); |
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239 for( TUint8 index = 0; index < count; index++ ) |
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240 { |
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241 TWimiAllocRef* allocRef = iRefs[ index ]; |
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242 if( allocRef->ref == aRef ) |
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243 { |
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244 _WIMTRACE(_L("WIM | WIMServer | CWimMemMgmt::ValidateWIMRefL, valid")); |
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245 return ETrue; |
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246 } |
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247 } |
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248 _WIMTRACE(_L("WIM | WIMServer | CWimMemMgmt::ValidateWIMRefL, invalid")); |
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249 return EFalse; |
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250 } |
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251 |
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252 // End of File |