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1 /* |
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2 * Copyright (c) 2005-2009 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: Metadata server logger class* |
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15 */ |
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16 |
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17 #include "mdslogger.h" |
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18 #include "mdsclausebuffer.h" |
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19 #include "mdssqliteconnection.h" |
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20 |
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21 |
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22 #ifdef LOG_MASTER_FLAG |
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23 |
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24 // ========================= MEMBER FUNCTIONS ================================== |
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25 |
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26 // ------------------------------------------------ |
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27 // NewInstanceL |
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28 // ------------------------------------------------ |
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29 // |
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30 CMdSLogger* CMdSLogger::NewInstanceL() |
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31 { |
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32 static CMdSLogger* singleton; |
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33 if ( singleton == NULL ) |
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34 { |
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35 singleton = new (ELeave) CMdSLogger(); |
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36 CleanupStack::PushL(singleton); |
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37 singleton->ConstructL(); |
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38 CleanupStack::Pop(singleton); |
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39 } |
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40 return singleton; |
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41 } |
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42 |
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43 // ------------------------------------------------ |
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44 // Default constructor |
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45 // ------------------------------------------------ |
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46 // |
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47 CMdSLogger::CMdSLogger() |
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48 : iAltFileFlag(EFalse), iValid(EFalse) |
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49 { |
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50 } |
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51 |
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52 // ------------------------------------------------ |
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53 // Destructor |
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54 // ------------------------------------------------ |
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55 // |
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56 CMdSLogger::~CMdSLogger() |
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57 { |
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58 iLog.CloseLog(); |
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59 iLog.Close(); |
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60 } |
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61 |
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62 // ------------------------------------------------ |
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63 // ConstructL |
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64 // ------------------------------------------------ |
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65 // |
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66 void CMdSLogger::ConstructL() |
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67 { |
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68 User::LeaveIfError( iLog.Connect() ); |
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69 iLog.CreateLog(KDirectory, KFilename, EFileLoggingModeOverwrite); |
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70 iLog.SetDateAndTime(EFalse, ETrue); |
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71 |
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72 iValid = iLog.LogValid(); |
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73 |
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74 // set up logging categories |
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75 Activate( ELogAlways ); |
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76 #ifdef LOG_QUERY |
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77 Activate( ELogQuery ); |
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78 #endif |
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79 #ifdef LOG_DB |
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80 Activate( ELogDb ); |
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81 #endif |
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82 #ifdef LOG_MUTEX |
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83 Activate( ELogMutex ); |
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84 #endif |
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85 #ifdef LOG_SERVER |
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86 Activate( ELogServer ); |
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87 #endif |
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88 } |
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89 |
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90 // ------------------------------------------------ |
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91 // LogLit |
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92 // ------------------------------------------------ |
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93 // |
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94 void CMdSLogger::LogLit( const TDesC8& aText ) |
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95 { |
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96 if (!iValid) |
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97 { |
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98 return; |
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99 } |
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100 |
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101 TInt offset = 0; |
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102 TInt linecount = 0; |
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103 TInt length = aText.Length(); |
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104 while( offset < length ) |
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105 { |
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106 TInt partLength = Min( length-offset, KLineLength ); |
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107 #ifdef MDE_FILE_LOGGING |
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108 iLog.Write( aText.Mid( offset, partLength ) ); |
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109 #else |
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110 TBuf<KLineLength> buffer; |
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111 buffer.Copy( aText.Mid( offset, partLength ) ); |
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112 RDebug::Print( buffer ); |
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113 #endif |
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114 ++linecount; |
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115 offset += partLength; |
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116 } |
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117 CheckSize( linecount ); |
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118 } |
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119 |
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120 // ------------------------------------------------ |
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121 // LogLit |
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122 // ------------------------------------------------ |
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123 // |
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124 void CMdSLogger::LogLit( const TDesC16& aText ) |
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125 { |
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126 if (!iValid) |
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127 { |
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128 return; |
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129 } |
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130 |
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131 TInt offset = 0; |
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132 TInt linecount = 0; |
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133 TInt length = aText.Length(); |
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134 while( offset < length ) |
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135 { |
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136 TInt partLength = Min( length-offset, KLineLength ); |
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137 #ifdef MDE_FILE_LOGGING |
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138 iLog.Write( aText.Mid( offset, partLength ) ); |
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139 #else |
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140 RDebug::Print( aText.Mid( offset, partLength ) ); |
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141 #endif |
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142 ++linecount; |
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143 offset += partLength; |
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144 } |
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145 CheckSize( linecount ); |
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146 } |
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147 |
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148 // ------------------------------------------------ |
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149 // CheckSize |
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150 // ------------------------------------------------ |
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151 // |
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152 void CMdSLogger::CheckSize( TInt aLines ) |
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153 { |
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154 #ifdef MDE_FILE_LOGGING |
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155 iLineCounter += aLines; |
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156 if ( iLineCounter < KLogfileMaxLength ) return; // no worries |
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157 |
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158 iLineCounter = 0; |
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159 |
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160 iLog.CloseLog(); |
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161 |
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162 if ( !iAltFileFlag ) |
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163 { |
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164 iLog.CreateLog(KDirectory, KAltFilename, EFileLoggingModeOverwrite); |
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165 iAltFileFlag = ETrue; |
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166 } |
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167 else |
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168 { |
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169 iLog.CreateLog(KDirectory, KFilename, EFileLoggingModeOverwrite); |
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170 iAltFileFlag = EFalse; |
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171 } |
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172 iLog.SetDateAndTime(EFalse, ETrue); |
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173 #else |
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174 aLines = 0; |
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175 #endif |
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176 } |
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177 |
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178 // --------------------------------------------------------------------------- |
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179 // DescribeL Returns sql clause with variables |
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180 // --------------------------------------------------------------------------- |
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181 // |
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182 CMdsClauseBuffer* CMdSLogger::DescribeL( const CMdsClauseBuffer& aBuffer, const RRowData& aRowData ) |
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183 { |
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184 if (!iValid) |
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185 { |
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186 return NULL; |
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187 } |
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188 |
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189 CMdsClauseBuffer* buf = CMdsClauseBuffer::NewLC( aBuffer.ConstBufferL().Length() + 1024 ); |
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190 buf->BufferL().Copy( aBuffer.ConstBufferL() ); |
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191 buf->AppendL( _L(" variables=") ); |
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192 for( TInt i=0; i<aRowData.Size(); ++i ) |
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193 { |
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194 if ( i>0 ) buf->AppendL( _L(", ") ); |
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195 LogVariableL( *buf, aRowData.Column(i) ); |
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196 } |
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197 CleanupStack::Pop( buf ); |
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198 return buf; |
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199 } |
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200 |
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201 // --------------------------------------------------------------------------- |
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202 // DescribeL Returns sql clause with variables |
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203 // --------------------------------------------------------------------------- |
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204 // |
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205 CMdsClauseBuffer* CMdSLogger::DescribeFullL( const TDesC& aBuffer, const RRowData& aRowData ) |
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206 { |
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207 if (!iValid) |
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208 { |
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209 return NULL; |
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210 } |
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211 |
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212 const TChar KQuestionMark = '?'; |
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213 TPtrC buffer( aBuffer ); |
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214 const TInt aBufferLength = aBuffer.Length(); |
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215 CMdsClauseBuffer* buf = CMdsClauseBuffer::NewLC( aBufferLength *2 ); |
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216 TInt columnNumber = 0; |
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217 TInt qpos = buffer.Locate( KQuestionMark ); |
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218 while( qpos >= 0 ) |
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219 { |
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220 buf->ReserveSpaceL( buf->ConstBufferL().Length() + qpos ); |
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221 buf->BufferL().Append( buffer.Left( qpos ) ); |
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222 LogVariableL( *buf, aRowData.Column(columnNumber++) ); |
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223 buffer.Set( buffer.Mid( qpos + 1 ) ); |
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224 qpos = buffer.Locate( KQuestionMark ); |
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225 } |
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226 buf->ReserveSpaceL( buf->ConstBufferL().Length() + buffer.Length() ); |
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227 buf->BufferL().Append( buffer ); |
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228 |
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229 CleanupStack::Pop( buf ); |
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230 return buf; |
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231 } |
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232 |
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233 // --------------------------------------------------------------------------- |
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234 // LogVariableL Logging method for query variables |
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235 // --------------------------------------------------------------------------- |
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236 // |
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237 void CMdSLogger::LogVariableL( CMdsClauseBuffer& aBuf, const TColumn& aColumn ) |
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238 { |
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239 _LIT( KApostrophe, "\'" ); |
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240 switch( aColumn.Type() ) |
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241 { |
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242 case EColumnNotUsed: |
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243 { |
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244 aBuf.ReserveSpaceL( aBuf.ConstBufferL().Length() + 8 ); |
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245 _LIT( KMessageUnused, "<unused>" ); |
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246 aBuf.BufferL().Append( KMessageUnused ); |
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247 break; |
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248 } |
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249 case EColumnBool: |
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250 { |
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251 TBool val=0; |
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252 aColumn.Get( val ); |
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253 aBuf.ReserveSpaceL( aBuf.ConstBufferL().Length() + 4 ); |
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254 aBuf.BufferL().AppendNum( val ); |
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255 } |
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256 break; |
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257 case EColumnInt32: |
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258 { |
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259 TInt32 val=0; |
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260 aColumn.Get( val ); |
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261 aBuf.ReserveSpaceL( aBuf.ConstBufferL().Length() + 16 ); |
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262 aBuf.BufferL().AppendNum( static_cast<TInt>(val) ); |
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263 } |
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264 break; |
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265 case EColumnUint32: |
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266 { |
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267 TUint32 val=0; |
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268 aColumn.Get( val ); |
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269 aBuf.ReserveSpaceL( aBuf.ConstBufferL().Length() + 16 ); |
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270 aBuf.BufferL().AppendNum( val, EDecimal ); |
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271 } |
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272 break; |
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273 case EColumnTime: |
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274 { |
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275 TTime val(0); |
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276 TBuf<128> tmp; |
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277 aColumn.Get( val ); |
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278 _LIT(KTimeFormat, "%D%1.%M%2.%Y%3 %H:%T:%S"); |
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279 val.FormatL(tmp, KTimeFormat); |
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280 aBuf.ReserveSpaceL( aBuf.ConstBufferL().Length() + 20 ); |
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281 aBuf.BufferL().Append( tmp ); |
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282 } |
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283 break; |
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284 case EColumnInt64: |
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285 { |
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286 TInt64 val=0; |
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287 aColumn.Get( val ); |
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288 aBuf.ReserveSpaceL( aBuf.ConstBufferL().Length() + 32 ); |
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289 aBuf.BufferL().AppendNum( val ); |
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290 } |
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291 break; |
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292 case EColumnReal32: |
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293 { |
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294 TReal32 val=0; |
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295 aColumn.Get( val ); |
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296 aBuf.ReserveSpaceL( aBuf.ConstBufferL().Length() + 32 ); |
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297 aBuf.BufferL().AppendNum( val, TRealFormat() ); |
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298 } |
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299 break; |
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300 case EColumnReal64: |
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301 { |
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302 TReal64 val=0; |
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303 aColumn.Get( val ); |
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304 aBuf.ReserveSpaceL( aBuf.ConstBufferL().Length() + 32 ); |
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305 aBuf.BufferL().AppendNum( val, TRealFormat() ); |
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306 } |
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307 break; |
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308 case EColumnDes16: |
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309 { |
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310 TPtrC16 val= TPtr16((TUint16*)0, 0); //KNullPtr16; |
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311 aColumn.Get( val ); |
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312 if( val.Ptr() ) |
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313 { |
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314 aBuf.ReserveSpaceL( aBuf.ConstBufferL().Length() + |
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315 val.Length() + 2 * KApostrophe().Length() ); // for '' |
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316 aBuf.BufferL().Append( KApostrophe ); |
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317 aBuf.BufferL().Append( val ); |
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318 aBuf.BufferL().Append( KApostrophe ); |
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319 } |
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320 else |
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321 { |
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322 _LIT( KNull, "NULL" ); |
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323 aBuf.ReserveSpaceL( aBuf.ConstBufferL().Length() + |
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324 KNull().Length() ); |
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325 aBuf.BufferL().Append( KNull ); |
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326 } |
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327 } |
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328 break; |
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329 default: |
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330 User::Leave( KErrCorrupt ); |
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331 } |
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332 } |
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333 |
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334 #endif // LOG_MASTER_FLAG |