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1 // Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 /** |
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17 @file |
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18 */ |
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19 |
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20 #include "FLOGSVR.H" |
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21 #include "FLOGMAN.H" |
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22 #include "FLOGSTD.H" |
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23 |
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24 /** |
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25 @internalComponent |
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26 */ |
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27 const TInt KOpenLogFilesGranularity=5; |
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28 |
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29 /** |
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30 panics for log client |
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31 |
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32 @internalComponent |
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33 */ |
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34 enum TLogClientPanic |
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35 { |
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36 ELogDirectoryNameDoesNotExist =1, ///< panic if no log directory name |
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37 ELogFileNameDoesNotExist ///< panic if file name doesnot exist |
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38 }; |
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39 |
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40 /** |
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41 CFileLoggerServer class definition |
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42 */ |
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43 |
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44 CFileLoggerServer* CFileLoggerServer::NewL() |
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45 /** |
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46 Creates new CFileLoggerServer object |
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47 |
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48 @return Pointer to CFileLoggerServer object |
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49 */ |
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50 { |
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51 |
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52 CFileLoggerServer* r=new(ELeave) CFileLoggerServer(); |
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53 CleanupStack::PushL(r); |
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54 r->ConstructL(); |
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55 r->StartL(KFLoggerServerName); |
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56 CleanupStack::Pop(); |
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57 return r; |
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58 } |
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59 |
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60 CFileLoggerServer::CFileLoggerServer() |
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61 : CServer2(EPriority) |
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62 {} |
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63 |
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64 void CFileLoggerServer::ConstructL() |
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65 { |
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66 |
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67 iLoggerManager=CFileLoggerManager::NewL(); |
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68 iSessionCounter=CFileLogSessionCounter::NewL(); |
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69 } |
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70 |
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71 CFileLoggerServer::~CFileLoggerServer() |
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72 /** |
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73 Destructor |
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74 */ |
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75 { |
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76 |
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77 delete iSessionCounter; |
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78 delete iLoggerManager; |
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79 } |
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80 |
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81 CFileLogSessionCounter* CFileLoggerServer::SessionCounter() const |
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82 { |
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83 |
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84 return iSessionCounter; |
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85 } |
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86 |
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87 void CFileLoggerServer::Error(TInt aError) |
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88 { |
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89 |
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90 Message().Complete(aError); |
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91 ReStart(); |
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92 } |
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93 |
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94 CSession2* CFileLoggerServer::NewSessionL(const TVersion &aVersion, const RMessage2& /* aMessage */) const |
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95 /** |
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96 Create a new server session. Check we're the right version and make a new session |
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97 |
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98 @param aVersion version of new session |
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99 */ |
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100 { |
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101 |
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102 TVersion v(KFLogSrvMajorVersionNumber,KFLogSrvMinorVersionNumber,KFLogSrvBuildVersionNumber); |
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103 if (!User::QueryVersionSupported(v,aVersion)) |
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104 User::Leave(KErrNotSupported); |
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105 |
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106 iSessionCounter->CancelTimer(); |
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107 return CFileLogSession::NewL(CONST_CAST(CFileLoggerServer*,this),iLoggerManager); |
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108 } |
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109 /** |
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110 CFileLogSessionCounter class definition |
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111 */ |
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112 |
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113 CFileLogSessionCounter* CFileLogSessionCounter::NewL() |
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114 /** |
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115 Creates new CFileLogSessionCounter object |
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116 |
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117 @return Pointer to CFileLogSessionCounter object |
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118 */ |
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119 { |
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120 |
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121 CFileLogSessionCounter* r=new(ELeave) CFileLogSessionCounter(); |
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122 CleanupStack::PushL(r); |
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123 r->ConstructL(); |
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124 CleanupStack::Pop(); |
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125 return r; |
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126 } |
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127 |
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128 CFileLogSessionCounter::~CFileLogSessionCounter() |
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129 /** |
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130 Destructor |
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131 */ |
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132 { |
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133 |
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134 delete iShutdownTimer; |
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135 } |
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136 |
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137 CFileLogSessionCounter::CFileLogSessionCounter() |
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138 : iSessionCount(0) |
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139 /** |
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140 Default Constructor |
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141 */ |
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142 {} |
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143 |
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144 void CFileLogSessionCounter::ConstructL() |
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145 { |
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146 |
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147 iShutdownTimer=CShutdownTimer::NewL(); |
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148 } |
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149 |
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150 void CFileLogSessionCounter::IncrementSessionCount() |
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151 /** |
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152 Increments the Session count |
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153 */ |
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154 { |
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155 |
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156 iSessionCount++; |
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157 } |
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158 |
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159 void CFileLogSessionCounter::DecrementSessionCount() |
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160 /** |
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161 Decrements the Session count |
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162 */ |
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163 { |
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164 |
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165 iSessionCount--; |
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166 if (iSessionCount<=0) |
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167 iShutdownTimer->After(KShutdownPause); |
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168 } |
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169 |
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170 void CFileLogSessionCounter::CancelTimer() |
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171 /** |
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172 Cancels the timer |
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173 */ |
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174 { |
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175 |
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176 iShutdownTimer->Cancel(); |
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177 } |
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178 |
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179 /** |
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180 CShutdownTimer class definitions |
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181 */ |
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182 |
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183 CShutdownTimer* CShutdownTimer::NewL() |
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184 /** |
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185 Creates new CShutdownTimer object |
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186 @return Pointer to CShutdownTimer object |
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187 */ |
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188 { |
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189 |
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190 CShutdownTimer* r=new(ELeave) CShutdownTimer(); |
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191 CleanupStack::PushL(r); |
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192 r->ConstructL(); |
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193 CleanupStack::Pop(); |
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194 return r; |
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195 } |
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196 |
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197 CShutdownTimer::~CShutdownTimer() |
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198 /** |
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199 Destructor |
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200 */ |
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201 {} |
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202 |
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203 CShutdownTimer::CShutdownTimer() |
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204 : CTimer(EPriorityIdle) |
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205 /** |
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206 Default Constructor |
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207 */ |
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208 { |
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209 CActiveScheduler::Add(this); |
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210 } |
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211 |
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212 void CShutdownTimer::RunL() |
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213 /** |
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214 */ |
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215 { |
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216 |
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217 CActiveScheduler::Stop(); |
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218 } |
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219 |
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220 /** |
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221 CFileLogSession class definition |
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222 */ |
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223 |
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224 CFileLogSession* CFileLogSession::NewL(CFileLoggerServer* aServer, CFileLoggerManager* aManager) |
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225 { |
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226 |
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227 CFileLogSession* r=new(ELeave) CFileLogSession(aServer,aManager); |
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228 CleanupStack::PushL(r); |
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229 r->ConstructL(); |
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230 CleanupStack::Pop(); |
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231 return r; |
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232 } |
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233 |
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234 CFileLogSession::CFileLogSession( CFileLoggerServer* aServer, CFileLoggerManager* aManager) |
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235 : CSession2(), iLoggerServer(aServer), iLoggerManager(aManager) |
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236 {} |
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237 |
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238 void CFileLogSession::ConstructL() |
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239 { |
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240 |
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241 iLoggerServer->SessionCounter()->IncrementSessionCount(); // should be done first because it will be decremented in the destructor |
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242 iOpenLogFiles=new(ELeave) CArrayFixFlat<TLogFile>(KOpenLogFilesGranularity); |
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243 } |
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244 |
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245 CFileLogSession::~CFileLogSession() |
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246 /** |
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247 Destructor |
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248 */ |
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249 { |
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250 if (iOpenLogFiles) |
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251 { |
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252 TInt count=iOpenLogFiles->Count(); |
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253 TInt i; |
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254 for (i=0; i<count; i++) |
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255 { |
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256 iLoggerManager->CloseLog(iOpenLogFiles->At(i)); |
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257 } |
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258 iOpenLogFiles->Delete(0,count); |
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259 delete iOpenLogFiles; |
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260 } |
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261 iLoggerServer->SessionCounter()->DecrementSessionCount(); // starts the timer if this is the last session |
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262 } |
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263 |
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264 void CFileLogSession::ServiceL(const RMessage2& aMessage) |
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265 /** |
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266 @internalTechnology |
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267 */ |
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268 { |
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269 |
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270 TRAPD(ret,DispatchMessageL(aMessage)); |
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271 aMessage.Complete(ret); |
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272 } |
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273 |
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274 void CFileLogSession::DispatchMessageL(const RMessage2& aMessage) |
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275 { |
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276 |
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277 TInt func=aMessage.Function(); |
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278 if (func!=ECreateLog && func!=EWriteLog && func!=ECloseLog && func!=ECreateWriteAndCloseLog) |
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279 User::Leave(KErrNotSupported); |
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280 |
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281 TLogFile log; |
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282 TPckg<TLogFile> logPckg(log); |
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283 aMessage.ReadL(0,logPckg); |
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284 __ASSERT_ALWAYS(log.Directory().Length()!=0,aMessage.Panic(KFLoggerServerName,ELogDirectoryNameDoesNotExist)); |
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285 __ASSERT_ALWAYS(log.Name().Length()!=0,aMessage.Panic(KFLoggerServerName,ELogFileNameDoesNotExist)); |
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286 |
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287 // TBuf8<KLogBufferSize> buf; |
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288 TBuf8<1600> buf; |
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289 if (func==EWriteLog || func==ECreateWriteAndCloseLog) |
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290 aMessage.ReadL(1,buf); |
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291 |
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292 switch (func) |
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293 { |
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294 case ECreateLog: |
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295 OpenLogL(log); |
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296 aMessage.WriteL(0,logPckg); |
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297 break; |
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298 |
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299 case EWriteLog: |
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300 iLoggerManager->WriteToLogL(log,buf); |
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301 break; |
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302 |
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303 case ECloseLog: |
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304 CloseLog(log); |
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305 break; |
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306 |
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307 case ECreateWriteAndCloseLog: |
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308 { |
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309 OpenLogL(log); // Ok to leave here; assume that log not left open |
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310 TInt rc = aMessage.Write(0,logPckg); |
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311 if (rc == KErrNone && log.Valid()) |
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312 TRAP(rc,iLoggerManager->WriteToLogL(log,buf)); |
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313 CloseLog(log); |
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314 User::LeaveIfError(rc); |
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315 break; |
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316 } |
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317 |
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318 default: |
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319 User::Leave(KErrNotSupported); |
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320 break; |
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321 } |
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322 } |
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323 |
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324 |
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325 void CFileLogSession::OpenLogL(TLogFile& aLogFile) |
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326 /** |
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327 Opens log file |
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328 |
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329 @param aLogFile Log file name |
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330 */ |
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331 { |
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332 |
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333 iOpenLogFiles->AppendL(aLogFile); |
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334 iLoggerManager->FindOrCreateLogL(aLogFile); |
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335 } |
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336 |
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337 void CFileLogSession::CloseLog(TLogFile& aLogFile) |
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338 /** |
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339 Closes the log file |
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340 |
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341 @param aLogFile Log file name |
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342 */ |
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343 { |
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344 |
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345 iLoggerManager->CloseLog(aLogFile); |
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346 TInt count=iOpenLogFiles->Count(); |
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347 TInt i=0; |
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348 for (i=0; i<count; i++) |
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349 { |
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350 if (iOpenLogFiles->At(i)==aLogFile) |
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351 { |
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352 iOpenLogFiles->Delete(i,1); |
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353 break; |
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354 } |
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355 } |
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356 |
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357 __ASSERT_DEBUG(i<=count, User::Invariant()); |
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358 } |
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359 |