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1 /* |
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2 * Copyright (c) 2003 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: Handles messaging with stack |
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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 |
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20 // INCLUDE FILES |
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21 #include "ScardBase.h" |
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22 #include "ScardMessageStack.h" |
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23 #include "ScardConnector.h" |
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24 #include "WimTrace.h" |
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25 |
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26 #ifdef _DEBUG // for logging |
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27 #include "ScardLogs.h" |
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28 #include <flogger.h> |
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29 #endif |
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30 |
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31 |
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32 // ============================ MEMBER FUNCTIONS =============================== |
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33 |
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34 // ----------------------------------------------------------------------------- |
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35 // CScardMessageStack::CScardMessageStack |
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36 // C++ default constructor can NOT contain any code, that |
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37 // might leave. |
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38 // ----------------------------------------------------------------------------- |
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39 // |
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40 CScardMessageStack::CScardMessageStack() |
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41 { |
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42 _WIMTRACE(_L("WIM|Scard|CScardMessageStack::CScardMessageStack|Begin")); |
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43 } |
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44 |
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45 // ----------------------------------------------------------------------------- |
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46 // CScardMessageStack::ConstructL |
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47 // Symbian 2nd phase constructor can leave. |
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48 // ----------------------------------------------------------------------------- |
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49 // |
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50 void CScardMessageStack::ConstructL() |
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51 { |
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52 _WIMTRACE(_L("WIM|Scard|CScardMessageStack::ConstructL|Begin")); |
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53 iMessages = new( ELeave ) CArrayFixFlat<TMessageHandle>( 3 ); |
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54 } |
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55 |
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56 // ----------------------------------------------------------------------------- |
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57 // CScardMessageStack::NewL |
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58 // Two-phased constructor. |
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59 // ----------------------------------------------------------------------------- |
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60 // |
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61 CScardMessageStack* CScardMessageStack::NewL() |
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62 { |
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63 _WIMTRACE(_L("WIM|Scard|CScardMessageStack::NewL|Begin")); |
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64 CScardMessageStack* self = new( ELeave ) CScardMessageStack(); |
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65 |
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66 CleanupStack::PushL( self ); |
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67 self->ConstructL(); |
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68 CleanupStack::Pop( self ); |
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69 |
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70 return self; |
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71 } |
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72 |
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73 |
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74 // Destructor |
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75 CScardMessageStack::~CScardMessageStack() |
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76 { |
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77 _WIMTRACE(_L("WIM|Scard|CScardMessageStack::~CScardMessageStack|Begin")); |
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78 CancelAll( KScErrCancelled ); |
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79 delete iMessages; |
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80 } |
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81 |
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82 |
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83 // ----------------------------------------------------------------------------- |
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84 // CScardMessageStack::CancelAll |
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85 // Cancel all operations for this session ID. |
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86 // ----------------------------------------------------------------------------- |
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87 // |
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88 void CScardMessageStack::CancelAll( |
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89 const TInt aSessionID, |
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90 const TInt aReason ) |
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91 { |
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92 _WIMTRACE(_L("WIM|Scard|CScardMessageStack::CancelAll|Begin")); |
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93 if ( iMessages->Count() ) |
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94 { |
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95 // First check if the message currently serviced is one of |
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96 // the cancelled ones (it requires special treatment) |
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97 if ( (*iMessages)[0].iSessionID == aSessionID ) |
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98 { |
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99 CancelOne( 0, aReason ); |
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100 } |
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101 // Then pop out all the others |
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102 for ( TInt i( 1 ); i < iMessages->Count(); i++ ) |
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103 { |
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104 if ( (*iMessages)[i].iSessionID == aSessionID ) |
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105 { |
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106 CancelOne( i, aReason ); |
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107 iMessages->Delete( i ); |
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108 i--; |
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109 } // if |
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110 } // for |
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111 } // if |
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112 } |
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113 |
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114 // ----------------------------------------------------------------------------- |
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115 // CScardMessageStack::CancelAll |
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116 // Cancel all messages waiting for service. Delete all others except the |
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117 // first one |
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118 // ----------------------------------------------------------------------------- |
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119 // |
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120 void CScardMessageStack::CancelAll( const TInt aReason ) |
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121 { |
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122 _WIMTRACE(_L("WIM|Scard|CScardMessageStack::CancelAll|Begin")); |
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123 if ( iMessages->Count() ) |
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124 { |
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125 // Just cancel the first |
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126 CancelOne( 0, aReason ); |
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127 |
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128 // Then pop out all the others |
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129 for ( TInt i( 1 ); i < iMessages->Count(); i++ ) |
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130 { |
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131 CancelOne( i, aReason ); |
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132 iMessages->Delete( i ); |
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133 i--; |
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134 } |
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135 } |
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136 } |
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137 |
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138 // ----------------------------------------------------------------------------- |
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139 // CScardMessageStack::CancelCardOperations |
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140 // Effectively the same as the above, except that does not cancel |
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141 // OpenReader commands... |
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142 // ----------------------------------------------------------------------------- |
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143 // |
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144 void CScardMessageStack::CancelCardOperations() |
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145 { |
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146 _WIMTRACE(_L("WIM|Scard|CScardMessageStack::CancelCardOperations|Begin")); |
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147 if ( iMessages->Count() ) |
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148 { |
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149 // Just cancel the first |
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150 if ( iMessages->At( 0 ).iAdditionalParameter != KOpenReader ) |
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151 { |
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152 CancelOne( 0, KScReaderErrNoCard ); |
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153 } |
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154 |
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155 // Then pop out all the others |
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156 for ( TInt i( 1 ); i < iMessages->Count(); i++ ) |
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157 { |
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158 if ( iMessages->At( i ).iAdditionalParameter != KOpenReader ) |
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159 { |
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160 CancelOne( i, KScReaderErrNoCard ); |
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161 iMessages->Delete( i ); |
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162 i--; |
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163 } |
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164 } |
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165 } |
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166 } |
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167 |
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168 // ----------------------------------------------------------------------------- |
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169 // CScardMessageStack::CancelByTimeOut |
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170 // Cancel message by timeout |
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171 // ----------------------------------------------------------------------------- |
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172 // |
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173 void CScardMessageStack::CancelByTimeOut( const CScardCommandTimer* aTimer ) |
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174 { |
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175 _WIMTRACE(_L("WIM|Scard|CScardMessageStack::CancelByTimeOut|Begin")); |
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176 #ifdef _DEBUG |
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177 RFileLogger::WriteFormat( KScardLogDir, KScardLogFileName, |
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178 EFileLoggingModeAppend, _L( "CScardMessageStack::CancelByTimeOut\n" ) ); |
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179 #endif |
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180 |
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181 if ( iMessages->Count() ) |
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182 { |
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183 // First check if the message currently serviced is the cancelled one |
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184 // (it requires special treatment) |
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185 if ( (*iMessages)[0].iTimer == aTimer ) |
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186 { |
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187 CancelOne( 0, KScErrTimeOut, EFalse ); |
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188 return; |
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189 } |
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190 |
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191 // Then check out all the others |
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192 for ( TInt i( 1 ); i < iMessages->Count(); i++ ) |
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193 { |
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194 if ( (*iMessages)[i].iTimer == aTimer ) |
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195 { |
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196 CancelOne( i, KScErrTimeOut, EFalse ); |
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197 iMessages->Delete( i ); |
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198 return; |
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199 } // if |
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200 } // for |
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201 } // if |
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202 } |
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203 |
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204 // ----------------------------------------------------------------------------- |
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205 // CScardMessageStack::PushToTop |
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206 // Push message to top |
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207 // ----------------------------------------------------------------------------- |
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208 // |
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209 TInt CScardMessageStack::PushToTop( const TMessageHandle& aMessage ) |
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210 { |
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211 _WIMTRACE(_L("WIM|Scard|CScardMessageStack::PushToTop|Begin")); |
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212 TRAPD( err, iMessages->InsertL( 0, aMessage ) ); |
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213 _WIMTRACE2(_L("WIM|Scard|CScardMessageStack::PushToTop|End|err=%d"), err); |
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214 return err; |
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215 } |
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216 |
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217 // ----------------------------------------------------------------------------- |
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218 // CScardMessageStack::FromTop |
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219 // Message from top |
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220 // ----------------------------------------------------------------------------- |
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221 // |
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222 const TMessageHandle CScardMessageStack::FromTop() |
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223 { |
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224 _WIMTRACE(_L("WIM|Scard|CScardMessageStack::FromTop|Begin")); |
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225 if ( !iMessages->Count() ) |
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226 { |
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227 // returns the default, which is interpreted as an error |
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228 TMessageHandle a; |
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229 return a; |
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230 } |
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231 TMessageHandle tmp = (*iMessages)[0]; |
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232 iMessages->Delete( 0 ); |
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233 return tmp; |
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234 } |
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235 |
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236 // ----------------------------------------------------------------------------- |
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237 // CScardMessageStack::PushToBottom |
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238 // Push message to bottom |
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239 // ----------------------------------------------------------------------------- |
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240 // |
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241 TInt CScardMessageStack::PushToBottom( const TMessageHandle& aMessage ) |
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242 { |
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243 _WIMTRACE(_L("WIM|Scard|CScardMessageStack::PushToBottom|Begin")); |
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244 TRAPD( err, iMessages->AppendL( aMessage ) ); |
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245 return err; |
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246 } |
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247 |
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248 // ----------------------------------------------------------------------------- |
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249 // CScardMessageStack::NextReservation |
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250 // This function is called when a channel is freed. It gives priority |
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251 // for applications who are waiting to reserve either this channel or |
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252 // any channel |
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253 // ----------------------------------------------------------------------------- |
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254 // |
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255 const TMessageHandle CScardMessageStack::NextReservation( const TInt8 aChannel ) |
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256 { |
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257 _WIMTRACE(_L("WIM|Scard|CScardMessageStack::NextReservation|Begin")); |
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258 TMessageHandle tmp; |
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259 for ( TInt i( 0 ); i < iMessages->Count(); i++ ) |
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260 { |
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261 tmp = (*iMessages)[i]; |
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262 if ( ( tmp.iAdditionalParameter & KReservation ) && |
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263 ( tmp.iChannel == aChannel || tmp.iChannel == KAllChannels ) ) |
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264 { |
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265 iMessages->Delete( i ); |
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266 return tmp; |
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267 } |
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268 } |
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269 tmp.iSessionID = ENoSession; |
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270 return tmp; |
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271 } |
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272 |
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273 // ----------------------------------------------------------------------------- |
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274 // CScardMessageStack::FromPositionL |
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275 // Get message from given position |
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276 // ----------------------------------------------------------------------------- |
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277 // |
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278 const TMessageHandle CScardMessageStack::FromPositionL( const TInt aPosition ) |
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279 { |
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280 _WIMTRACE(_L("WIM|Scard|CScardMessageStack::FromPositionL|Begin")); |
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281 __ASSERT_ALWAYS( aPosition >= 0 && aPosition < iMessages->Count(), |
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282 User::Leave( KScErrBadArgument ) ); |
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283 TMessageHandle r = iMessages->At( aPosition ); |
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284 iMessages->Delete( aPosition ); |
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285 return r; |
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286 } |
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287 |
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288 // ----------------------------------------------------------------------------- |
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289 // CScardMessageStack::PushToPositionL |
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290 // Push message to given position |
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291 // ----------------------------------------------------------------------------- |
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292 // |
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293 void CScardMessageStack::PushToPositionL( |
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294 const TInt aPosition, |
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295 TMessageHandle& aHandle ) |
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296 { |
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297 _WIMTRACE(_L("WIM|Scard|CScardMessageStack::PushToPositionL|Begin")); |
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298 __ASSERT_ALWAYS( aPosition >= 0 && aPosition <= iMessages->Count(), |
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299 User::Leave( KScErrBadArgument ) ); |
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300 iMessages->InsertL( aPosition, aHandle ); |
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301 } |
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302 |
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303 // End of File |