1 /* |
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2 * Copyright (c) 2010 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: |
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15 * Logging engine for USB. |
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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 @file |
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21 @internalTechnology |
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22 */ |
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23 |
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24 |
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25 #include <e32base.h> |
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26 #include <comms-infras/commsdebugutility.h> |
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27 #include <usb/usblogger.h> |
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28 |
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29 |
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30 #ifdef __USB_DEBUG_RDEBUG__ |
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31 #include <e32debug.h> |
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32 const TInt KUSBLogBufferSize=255; |
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33 class TUSBFlogOverflow8 : public TDes8Overflow |
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34 { |
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35 public: |
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36 void Overflow(TDes8& /*aDes*/) { } |
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37 }; |
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38 |
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39 class TUSBFlogOverflow16 : public TDes16Overflow |
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40 { |
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41 public: |
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42 void Overflow(TDes16& /*aDes*/) { } |
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43 }; |
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44 void __CUsbLog_DoHexDump(const TDesC8& aCmpt, const TDesC8& aData, const TDesC8& aHeader, const TDesC8& aMargin); |
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45 #endif //__USB_DEBUG_RDEBUG__ |
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46 |
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47 |
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48 |
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49 |
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50 #ifdef __FLOG_ACTIVE |
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51 _LIT8(KSubsystem, "USB"); |
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52 _LIT8(KLogCmpt, "logengine"); |
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53 #endif |
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54 |
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55 |
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56 NONSHARABLE_CLASS(TLogData) |
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57 { |
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58 public: |
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59 #ifdef __FLOG_ACTIVE |
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60 TLogData(); |
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61 |
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62 void SetLogTags(const TDesC8& aCmpt); |
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63 |
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64 TInt iAccessCount; |
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65 |
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66 RFileLogger iLogEngine; |
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67 TBuf8<KMaxTagLength> iCurrentComponent; |
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68 #endif |
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69 }; |
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70 |
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71 |
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72 #ifdef __FLOG_ACTIVE |
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73 TLogData::TLogData() |
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74 : iAccessCount(0), iCurrentComponent(KNullDesC8) |
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75 {} |
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76 |
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77 void TLogData::SetLogTags(const TDesC8& aCmpt) |
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78 { |
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79 if (aCmpt != iCurrentComponent) |
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80 { |
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81 iLogEngine.SetLogTags(KSubsystem, aCmpt.Left(KMaxTagLength)); |
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82 iCurrentComponent = aCmpt.Left(KMaxTagLength); |
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83 } |
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84 } |
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85 #endif |
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86 |
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87 #define GETLOG TLogData* __logger = static_cast<TLogData*>(Dll::Tls()); |
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88 |
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89 |
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90 |
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91 EXPORT_C /*static*/ TInt CUsbLog::Connect() |
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92 { |
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93 #ifdef __FLOG_ACTIVE |
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94 GETLOG; |
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95 |
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96 if (!__logger) |
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97 { |
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98 |
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99 CUsbLog::Write(KLogCmpt, _L8("Opening new logger connection")); |
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100 __logger = new TLogData(); |
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101 if (!__logger) |
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102 { |
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103 CUsbLog::Write(KLogCmpt, _L8("Opening logger connection failed, no memory")); |
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104 return KErrNoMemory; |
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105 } |
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106 |
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107 __logger->iLogEngine.Connect(); |
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108 Dll::SetTls(__logger); |
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109 } |
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110 |
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111 __logger->iAccessCount++; |
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112 CUsbLog::WriteFormat(KLogCmpt, _L8("Opening -- %d instances now open"), __logger->iAccessCount); |
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113 |
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114 return KErrNone; |
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115 #else |
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116 return KErrNotSupported; |
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117 #endif |
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118 } |
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119 |
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120 |
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121 EXPORT_C /*static*/ void CUsbLog::Close() |
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122 { |
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123 #ifdef __FLOG_ACTIVE |
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124 GETLOG; |
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125 |
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126 if (__logger) |
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127 { |
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128 TInt& count = __logger->iAccessCount; |
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129 |
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130 if (count) |
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131 { |
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132 count--; |
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133 CUsbLog::WriteFormat(KLogCmpt, _L8("Closing -- %d instance(s) left open"), count); |
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134 if (!count) |
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135 { |
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136 __logger->iLogEngine.Close(); |
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137 delete __logger; |
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138 Dll::SetTls(NULL); |
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139 CUsbLog::Write(KLogCmpt, _L8("Fully closed and deleted, now flogging statically.")); |
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140 } |
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141 } |
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142 else |
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143 { |
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144 CUsbLog::Write(KLogCmpt, _L8("Not closing -- not opened")); |
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145 } |
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146 } |
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147 #endif |
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148 } |
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149 |
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150 |
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151 EXPORT_C /*static*/ void CUsbLog::Write(const TDesC8& IF_FLOGGING(aCmpt), const TDesC8& IF_FLOGGING(aText)) |
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152 { |
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153 #ifdef __FLOG_ACTIVE |
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154 GETLOG; |
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155 |
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156 #ifdef __USB_DEBUG_RDEBUG__ |
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157 TBuf8<KUSBLogBufferSize> buf; |
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158 RThread thread; |
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159 buf.AppendFormat(_L8("%S\t%S\t%LX\t%S\r\n"), &KSubsystem(), &aCmpt, thread.Id().Id(), &aText); |
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160 RDebug::RawPrint(buf); |
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161 #endif // __USB_DEBUG_RDEBUG |
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162 |
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163 if (__logger) |
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164 { |
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165 __logger->SetLogTags(aCmpt); |
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166 __logger->iLogEngine.Write(aText); |
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167 } |
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168 else |
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169 { |
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170 RFileLogger::Write(KSubsystem, aCmpt, aText); |
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171 } |
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172 #endif |
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173 } |
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174 |
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175 |
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176 EXPORT_C /*static*/ void CUsbLog::WriteFormat(const TDesC8& IF_FLOGGING(aCmpt), TRefByValue<const TDesC8> IF_FLOGGING(aFmt), ...) |
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177 { |
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178 #ifdef __FLOG_ACTIVE |
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179 VA_LIST list; |
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180 VA_START(list, aFmt); |
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181 |
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182 GETLOG; |
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183 |
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184 #ifdef __USB_DEBUG_RDEBUG__ |
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185 TUSBFlogOverflow8 objFlogBody8; |
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186 TBuf8<KUSBLogBufferSize> buf; |
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187 RThread thread; |
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188 buf.AppendFormat(_L8("%S\t%S\t%LX\t"), &KSubsystem(), &aCmpt, thread.Id().Id()); |
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189 buf.AppendFormatList(aFmt, list, &objFlogBody8); |
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190 buf.Append(_L8("\r\n")); |
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191 RDebug::RawPrint(buf); |
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192 #endif // __USB_DEBUG_RDEBUG |
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193 |
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194 if (__logger) |
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195 { |
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196 __logger->SetLogTags(aCmpt); |
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197 __logger->iLogEngine.WriteFormat(aFmt, list); |
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198 } |
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199 else |
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200 { |
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201 RFileLogger::WriteFormat(KSubsystem, aCmpt, aFmt, list); |
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202 } |
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203 #endif |
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204 } |
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205 |
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206 |
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207 EXPORT_C /*static*/ void CUsbLog::WriteFormat(const TDesC8& IF_FLOGGING(aCmpt), TRefByValue<const TDesC8> IF_FLOGGING(aFmt), VA_LIST& IF_FLOGGING(aList)) |
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208 { |
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209 #ifdef __FLOG_ACTIVE |
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210 GETLOG; |
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211 |
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212 #ifdef __USB_DEBUG_RDEBUG__ |
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213 TUSBFlogOverflow8 objFlogBody8; |
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214 TBuf8<KUSBLogBufferSize> buf; |
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215 RThread thread; |
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216 buf.AppendFormat(_L8("%S\t%S\t%LX\t"), &KSubsystem(), &aCmpt, thread.Id().Id()); |
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217 buf.AppendFormatList(aFmt, aList, &objFlogBody8); |
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218 buf.Append(_L8("\r\n")); |
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219 RDebug::RawPrint(buf); |
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220 #endif // __USB_DEBUG_RDEBUG |
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221 |
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222 if (__logger) |
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223 { |
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224 __logger->SetLogTags(aCmpt); |
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225 __logger->iLogEngine.WriteFormat(aFmt, aList); |
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226 } |
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227 else |
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228 { |
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229 RFileLogger::WriteFormat(KSubsystem, aCmpt, aFmt, aList); |
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230 } |
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231 #endif |
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232 } |
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233 |
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234 |
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235 EXPORT_C /*static*/ void CUsbLog::Write(const TDesC8& IF_FLOGGING(aCmpt), const TDesC16& IF_FLOGGING(aText)) |
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236 { |
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237 #ifdef __FLOG_ACTIVE |
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238 GETLOG; |
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239 |
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240 #ifdef __USB_DEBUG_RDEBUG__ |
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241 TBuf16<KUSBLogBufferSize> buf; |
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242 buf.AppendFormat(_L16("(TDesC16): %S\r\n"), &aText); |
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243 RDebug::RawPrint(buf); |
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244 #endif // __USB_DEBUG_RDEBUG |
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245 |
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246 if (__logger) |
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247 { |
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248 __logger->SetLogTags(aCmpt); |
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249 __logger->iLogEngine.Write(aText); |
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250 } |
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251 else |
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252 { |
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253 RFileLogger::WriteFormat(KSubsystem, aCmpt, aText); |
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254 } |
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255 #endif |
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256 } |
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257 |
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258 |
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259 EXPORT_C /*static*/ void CUsbLog::WriteFormat(const TDesC8& IF_FLOGGING(aCmpt), TRefByValue<const TDesC16> IF_FLOGGING(aFmt), ...) |
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260 { |
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261 #ifdef __FLOG_ACTIVE |
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262 VA_LIST list; |
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263 VA_START(list, aFmt); |
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264 |
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265 GETLOG; |
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266 |
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267 #ifdef __USB_DEBUG_RDEBUG__ |
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268 TUSBFlogOverflow16 objFlogBody16; |
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269 TBuf16<KUSBLogBufferSize> wideBuf; |
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270 wideBuf.Append(_L16("(TDesC16): ")); |
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271 wideBuf.AppendFormatList(aFmt, list, &objFlogBody16); |
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272 wideBuf.Append(_L16("\r\n")); |
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273 RDebug::RawPrint(wideBuf); |
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274 #endif // __USB_DEBUG_RDEBUG |
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275 |
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276 if (__logger) |
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277 { |
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278 __logger->SetLogTags(aCmpt); |
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279 __logger->iLogEngine.WriteFormat(aFmt, list); |
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280 } |
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281 else |
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282 { |
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283 RFileLogger::WriteFormat(KSubsystem, aCmpt, aFmt, list); |
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284 } |
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285 #endif |
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286 } |
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287 |
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288 |
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289 EXPORT_C /*static*/ void CUsbLog::WriteFormat(const TDesC8& IF_FLOGGING(aCmpt), TRefByValue<const TDesC16> IF_FLOGGING(aFmt), VA_LIST& IF_FLOGGING(aList)) |
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290 { |
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291 #ifdef __FLOG_ACTIVE |
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292 GETLOG; |
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293 |
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294 #ifdef __USB_DEBUG_RDEBUG__ |
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295 TUSBFlogOverflow16 objFlogBody16; |
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296 TBuf16<KUSBLogBufferSize> wideBuf; |
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297 wideBuf.Append(_L16("(TDesC16): ")); |
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298 wideBuf.AppendFormatList(aFmt, aList, &objFlogBody16); |
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299 wideBuf.Append(_L16("\r\n")); |
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300 RDebug::RawPrint(wideBuf); |
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301 #endif // __USB_DEBUG_RDEBUG |
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302 |
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303 if (__logger) |
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304 { |
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305 __logger->SetLogTags(aCmpt); |
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306 __logger->iLogEngine.WriteFormat(aFmt, aList); |
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307 } |
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308 else |
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309 { |
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310 RFileLogger::WriteFormat(KSubsystem, aCmpt, aFmt, aList); |
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311 } |
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312 #endif |
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313 } |
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314 |
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315 |
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316 EXPORT_C /*static*/ void CUsbLog::HexDump(const TDesC8& IF_FLOGGING(aCmpt), const TText* IF_FLOGGING(aHeader), const TText* IF_FLOGGING(aMargin), const TUint8* IF_FLOGGING(aPtr), TInt IF_FLOGGING(aLen)) |
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317 { |
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318 #ifdef __FLOG_ACTIVE |
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319 GETLOG; |
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320 |
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321 #ifdef __USB_DEBUG_RDEBUG__ |
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322 __CUsbLog_DoHexDump(aCmpt, TPtrC8(aPtr, aLen), TPtrC8(NULL,0), TPtrC8(NULL,0)); |
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323 #endif // __USB_DEBUG_RDEBUG |
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324 |
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325 if (__logger) |
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326 { |
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327 __logger->SetLogTags(aCmpt); |
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328 __logger->iLogEngine.HexDump(aHeader, aMargin, aPtr, aLen); |
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329 } |
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330 else |
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331 { |
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332 RFileLogger::HexDump(KSubsystem, aCmpt, TPtrC8(aPtr, aLen), KNullDesC8); |
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333 } |
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334 #endif |
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335 } |
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336 |
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337 |
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338 #ifdef __USB_DEBUG_RDEBUG__ |
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339 |
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340 #define BLANK _S("") |
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341 const TInt KHexDumpWidth=16; ///< Number of bytes written per line when formatting as hex. |
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342 const TInt KLowestPrintableCharacter = 32; ///< In Hex output, replace chars below space with a dot. |
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343 const TInt KHighestPrintableCharacter = 126; ///< In Hex output, replace chars above 7-bits with a dot. |
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344 |
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345 _LIT8(KFirstFormatString8,"%04x : "); ///< Format string used in Hexdump to format first part: header and byte numbers. |
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346 _LIT8(KSecondFormatString8,"%02x "); ///< Format string used in Hexdump to format mid part: each of the 16 bytes as hex |
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347 _LIT8(KThirdFormatString8,"%c"); ///< Format string used in Hexdump to format the last part: each of the 16 bytes as characters |
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348 _LIT8(KThreeSpaces8," "); ///< Format string used in Hexdump to define padding between first and mid parts |
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349 _LIT8(KTwoSpaces8," "); ///< Format string used in Hexdump to define padding between hex and char bytes. |
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350 const TText8 KFullStopChar8='.'; |
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351 |
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352 void __CUsbLog_DoHexDump(const TDesC8& aCmpt, const TDesC8& aData, const TDesC8& aHeader, const TDesC8& aMargin) |
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353 { |
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354 #ifdef __FLOG_ACTIVE |
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355 HBufC8* marginStr = NULL; |
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356 TBuf8<KMaxHexDumpWidth> buf; |
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357 TInt aRemainingLen = aData.Length(); |
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358 TInt aHeaderLen = aHeader.Length(); |
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359 TUSBFlogOverflow8 objFlogBody8; |
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360 |
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361 if (aData.Length()==0) // nothing to do |
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362 { |
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363 return; |
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364 } |
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365 |
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366 |
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367 if (aHeaderLen > 0) |
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368 { |
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369 |
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370 if (aMargin.Length() == 0) |
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371 { |
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372 marginStr = HBufC8::New(aHeader.Length()); |
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373 if (marginStr == NULL) |
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374 { |
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375 return; // abort if No memory |
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376 } |
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377 TPtr8 marginStrPtr(marginStr->Des()); |
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378 marginStrPtr.AppendFill(' ',aHeader.Length()); |
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379 } |
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380 else |
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381 { |
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382 marginStr = aMargin.Alloc(); |
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383 } |
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384 } |
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385 |
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386 |
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387 |
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388 TUint blockStartPos = 0; |
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389 while (aRemainingLen>0) |
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390 { |
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391 RThread thread; |
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392 buf.AppendFormat(_L8("%S\t%S\t%LX\t"), &KSubsystem(), &aCmpt, thread.Id().Id()); |
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393 TInt blockLength = (aRemainingLen>KHexDumpWidth ? KHexDumpWidth : aRemainingLen); |
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394 |
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395 // write the header/margin and print in hex which bytes we are about to write |
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396 if (blockStartPos == 0) |
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397 { |
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398 if (aHeaderLen > 0) |
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399 { |
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400 buf.Append(aHeader); |
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401 } |
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402 buf.AppendFormat(KFirstFormatString8,&objFlogBody8, blockStartPos); |
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403 } |
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404 else |
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405 { |
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406 if (marginStr) |
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407 { |
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408 buf.Append(*marginStr); |
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409 } |
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410 buf.AppendFormat(KFirstFormatString8,&objFlogBody8,blockStartPos); |
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411 } |
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412 |
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413 TInt bytePos; |
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414 // write the bytes as hex |
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415 for (bytePos = 0; bytePos < blockLength; bytePos++) |
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416 { |
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417 buf.AppendFormat(KSecondFormatString8,aData[blockStartPos + bytePos]); |
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418 } |
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419 while (bytePos++ < KHexDumpWidth) |
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420 { |
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421 buf.Append(KThreeSpaces8); |
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422 } |
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423 buf.Append(KTwoSpaces8); |
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424 // print the bytes as characters, or full stops if outside printable range |
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425 for (bytePos = 0; bytePos < blockLength; bytePos++) |
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426 { |
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427 buf.AppendFormat(KThirdFormatString8,(aData[blockStartPos + bytePos] < KLowestPrintableCharacter || aData[blockStartPos + bytePos] > KHighestPrintableCharacter) ? KFullStopChar8 : aData[blockStartPos + bytePos]); |
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428 } |
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429 |
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430 buf.Append(_L8("\r\n")); |
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431 RDebug::RawPrint(buf); |
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432 |
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433 buf.SetLength(0); |
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434 aRemainingLen -= blockLength; |
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435 blockStartPos += blockLength; |
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436 } |
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437 delete marginStr; |
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438 #endif // __FLOG_ACTIVE |
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439 } |
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440 |
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441 |
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442 |
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443 #endif // __USB_DEBUG_RDEBUG |
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444 |
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445 |
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446 /** |
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447 Leave (if error) verbosely- log name of file and line number just before |
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448 leaving. |
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449 @param aFile The file we're leaving from. |
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450 @param aLine The line number we're leaving from. |
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451 @param aReason The leave code. |
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452 */ |
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453 EXPORT_C void VerboseLeaveIfErrorL(const TDesC8& IF_FLOGGING(aCpt), |
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454 char* IF_FLOGGING(aFile), |
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455 TInt IF_FLOGGING(aLine), |
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456 TInt aReason) |
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457 { |
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458 // only leave negative value |
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459 if ( aReason >= 0 ) |
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460 { |
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461 return; |
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462 } |
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463 |
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464 #ifdef __FLOG_ACTIVE |
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465 _LIT8(KLeavePrefix, "LEAVE: "); |
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466 |
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467 TPtrC8 fullFileName((const TUint8*)aFile); |
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468 TPtrC8 fileName(fullFileName.Ptr()+fullFileName.LocateReverse('\\')+1); |
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469 |
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470 TBuf8<256> buf; |
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471 buf.Append(KLeavePrefix); |
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472 buf.AppendFormat(_L8("aReason = %d [file %S, line %d]"), aReason, &fileName, |
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473 aLine); |
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474 CUsbLog::Write(aCpt, buf); |
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475 #endif |
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476 |
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477 // finally |
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478 User::Leave(aReason); |
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479 } |
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480 |
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481 /** |
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482 Leave verbosely- log name of file and line number just before |
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483 leaving. |
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484 @param aFile The file we're leaving from. |
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485 @param aLine The line number we're leaving from. |
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486 @param aReason The leave code. |
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487 */ |
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488 EXPORT_C void VerboseLeaveL(const TDesC8& IF_FLOGGING(aCpt), |
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489 char* IF_FLOGGING(aFile), |
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490 TInt IF_FLOGGING(aLine), |
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491 TInt aReason) |
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492 { |
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493 #ifdef __FLOG_ACTIVE |
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494 _LIT8(KLeavePrefix, "LEAVE: "); |
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495 |
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496 TPtrC8 fullFileName((const TUint8*)aFile); |
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497 TPtrC8 fileName(fullFileName.Ptr()+fullFileName.LocateReverse('\\')+1); |
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498 |
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499 TBuf8<256> buf; |
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500 buf.Append(KLeavePrefix); |
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501 buf.AppendFormat(_L8("aReason = %d [file %S, line %d]"), aReason, &fileName, |
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502 aLine); |
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503 CUsbLog::Write(aCpt, buf); |
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504 #endif |
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505 |
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506 // finally |
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507 User::Leave(aReason); |
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508 } |
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509 |
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510 /** |
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511 Panic verbosely- log name of file and line number just before panicking. |
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512 @param aFile The file that's panicking. |
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513 @param aLine The line number that's panicking. |
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514 @param aReason The panic code. |
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515 @param aPanicName The text of the panic code. |
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516 @param aPanicCategory The panic category. |
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517 */ |
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518 EXPORT_C void VerbosePanic(const TDesC8& IF_FLOGGING(aCpt), |
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519 char* IF_FLOGGING(aFile), |
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520 TInt IF_FLOGGING(aLine), |
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521 TInt aPanicCode, |
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522 TText8* IF_FLOGGING(aPanicName), |
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523 const TDesC& aPanicCategory) |
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524 { |
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525 #ifdef __FLOG_ACTIVE |
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526 _LIT8(KPanicPrefix, "PANIC: code "); |
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527 |
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528 TPtrC8 fullFileName((const TUint8*)aFile); |
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529 TPtrC8 fileName(fullFileName.Ptr()+fullFileName.LocateReverse('\\')+1); |
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530 |
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531 TBuf8<256> buf; |
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532 buf.Append(KPanicPrefix); |
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533 buf.AppendFormat(_L8("%d = %s [file %S, line %d]"), |
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534 aPanicCode, |
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535 aPanicName, |
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536 &fileName, |
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537 aLine); |
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538 CUsbLog::Write(aCpt, buf); |
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539 #endif |
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540 |
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541 // finally |
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542 User::Panic(aPanicCategory, aPanicCode); |
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543 } |
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544 |
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545 |
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546 /** |
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547 Panic the given message verbosely- log name of file and line number just |
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548 before panicking. |
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549 @param aMsg Message to panic. |
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550 @param aFile The file that's panicking. |
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551 @param aLine The line number that's panicking. |
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552 @param aReason The panic code. |
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553 @param aPanicName The text of the panic code. |
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554 @param aPanicCategory The panic category. |
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555 */ |
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556 EXPORT_C void VerboseMsgPanic(const TDesC8& IF_FLOGGING(aCpt), |
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557 char* IF_FLOGGING(aFile), |
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558 TInt IF_FLOGGING(aLine), |
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559 const RMessage2& aMsg, |
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560 const TDesC& aCat, |
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561 TInt aPanicCode) |
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562 { |
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563 #ifdef __FLOG_ACTIVE |
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564 _LIT8(KPanicPrefix, "PANICKING CLIENT: code "); |
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565 |
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566 TPtrC8 fullFileName((const TUint8*)aFile); |
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567 TPtrC8 fileName(fullFileName.Ptr()+fullFileName.LocateReverse('\\')+1); |
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568 |
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569 TBuf8<256> buf; |
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570 buf.Append(KPanicPrefix); |
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571 buf.AppendFormat(_L8("%d [file %S, line %d]"), |
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572 aPanicCode, |
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573 &fileName, |
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574 aLine); |
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575 CUsbLog::Write(aCpt, buf); |
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576 #endif |
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577 // finally |
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578 aMsg.Panic(aCat, aPanicCode); |
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579 } |
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580 |
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581 #ifdef __FLOG_ACTIVE |
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582 _LIT8(KInstrumentIn, ">>%S this = [0x%08x]"); |
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583 _LIT8(KInstrumentOut, "<<%S"); |
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584 #endif |
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585 |
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586 EXPORT_C TFunctionLogger::TFunctionLogger(const TDesC8& IF_FLOGGING(aCpt), const TDesC8& IF_FLOGGING(aString), TAny* IF_FLOGGING(aThis)) |
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587 { |
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588 #ifdef __FLOG_ACTIVE |
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589 iCpt.Set(aCpt); |
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590 iString.Set(aString); |
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591 CUsbLog::WriteFormat(iCpt, KInstrumentIn, &iString, aThis); |
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592 #endif |
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593 } |
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594 |
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595 EXPORT_C TFunctionLogger::~TFunctionLogger() |
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596 { |
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597 #ifdef __FLOG_ACTIVE |
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598 CUsbLog::WriteFormat(iCpt, KInstrumentOut, &iString); |
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599 #endif |
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600 } |
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601 |
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