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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 <flogger.h> |
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21 #include "FLOGSTD.H" |
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22 |
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23 |
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24 |
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25 #ifdef __WINS__ |
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26 /** |
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27 stack for file logger |
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28 |
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29 @internalComponent |
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30 */ |
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31 const TUint KFLoggerStackSize=0x3000; |
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32 |
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33 /** |
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34 min heap size for file logger |
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35 |
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36 @internalComponent |
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37 */ |
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38 const TUint KFLoggerMinHeapSize=0x1000; |
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39 |
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40 /** |
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41 define _FLOGGER_LARGE_HEAP if flogger is |
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42 running out of memory (KErrNoMemory) |
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43 */ |
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44 #ifdef _FLOGGER_LARGE_HEAP |
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45 |
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46 /** |
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47 Max heap size for file logger |
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48 |
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49 @internalComponent |
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50 */ |
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51 const TUint KFLoggerMaxHeapSize=0x100000; /// 1M |
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52 |
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53 #else |
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54 |
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55 /** |
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56 Max heap size for file logger |
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57 |
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58 @internalComponent |
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59 */ |
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60 const TUint KFLoggerMaxHeapSize=0x40000; /// 256K |
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61 |
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62 #endif // _FLOGGER_LARGE_HEAP |
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63 #endif //__WINS__ |
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64 |
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65 /** |
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66 Uid for the Flogger server |
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67 |
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68 @internalComponent |
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69 */ |
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70 const TInt KFLoggerServerUid=0x10004ee0; |
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71 |
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72 /** |
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73 Literal which contains FLOGSVR |
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74 |
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75 @internalComponent |
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76 */ |
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77 _LIT(KFLoggerServerExecutable,"FLOGSVR"); |
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78 |
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79 /** |
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80 FLogger class definition |
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81 */ |
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82 |
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83 TInt FLogger::Start() |
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84 /** |
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85 Start the FLOGGER server. |
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86 |
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87 @return KErrNone if successful |
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88 */ |
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89 { |
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90 |
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91 TRequestStatus stat; |
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92 RProcess server; |
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93 TInt ret=server.Create(KFLoggerServerExecutable,KNullDesC,TUidType(KNullUid,KNullUid,TUid::Uid(KFLoggerServerUid)),EOwnerThread); |
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94 if (ret!=KErrNone) |
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95 return ret; |
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96 server.Rendezvous(stat); |
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97 server.Resume(); |
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98 server.Close(); |
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99 User::WaitForRequest(stat); |
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100 return stat.Int(); |
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101 } |
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102 |
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103 EXPORT_C TInt FLogger::Run(FLogger::TSignal& /*aSignal*/) |
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104 /** |
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105 Instantiates Active scheduler for the asynchronous request. |
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106 |
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107 @param aSignal signal info |
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108 @return KErrNone if successful else KErrNoMemory |
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109 */ |
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110 { |
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111 |
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112 __UHEAP_MARK; |
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113 |
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114 TInt ret = KErrNone; |
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115 CTrapCleanup* cleanup=CTrapCleanup::New(); |
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116 if (cleanup==NULL) |
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117 ret=KErrNoMemory; |
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118 |
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119 if (ret==KErrNone) |
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120 ret=Init(); |
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121 |
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122 RProcess::Rendezvous(ret); |
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123 if (ret==KErrNone) |
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124 CActiveScheduler::Start(); |
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125 |
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126 delete CActiveScheduler::Current(); |
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127 delete cleanup; |
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128 |
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129 __UHEAP_MARKEND; |
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130 |
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131 return ret; |
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132 } |
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133 |
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134 TInt FLogger::Init() |
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135 /** |
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136 Initialises CFLoggerScheduler |
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137 |
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138 @return KErrNone if successful |
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139 */ |
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140 { |
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141 |
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142 TRAPD(ret,CFLoggerScheduler::NewL()); |
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143 return ret; |
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144 } |
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145 |
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146 /** |
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147 CFLoggerScheduler class definitions |
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148 */ |
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149 |
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150 void CFLoggerScheduler::NewL() |
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151 /** |
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152 Installs CActiveScheduler |
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153 */ |
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154 { |
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155 |
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156 #ifdef __WINS__ |
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157 // ensure the server thread has a handle on FLOGGER.DLL |
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158 _LIT(KFLoggerLibraryName,"FLOGGER"); |
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159 RLibrary l; |
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160 User::LeaveIfError(l.Load(KFLoggerLibraryName,KNullDesC)); |
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161 #endif |
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162 |
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163 User::LeaveIfError(RThread::RenameMe(KFLoggerServerName)); |
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164 // |
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165 CFLoggerScheduler* self=new(ELeave) CFLoggerScheduler; |
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166 CActiveScheduler::Install(self); |
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167 self->iServer=CFileLoggerServer::NewL(); |
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168 } |
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169 |
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170 CFLoggerScheduler::~CFLoggerScheduler() |
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171 /** |
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172 Destructor |
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173 */ |
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174 { |
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175 |
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176 delete iServer; |
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177 } |
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178 |
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179 void CFLoggerScheduler::Error(TInt aError) const |
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180 /** |
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181 Message servicing failed |
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182 |
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183 @param aError error value for failed message |
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184 */ |
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185 { |
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186 iServer->Error(aError); |
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187 } |
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188 |