1 // Copyright (c) 2008-2009 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 the License "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 // e32\debug\crashMonitor\src\scmthreaddata.cpp |
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15 // Core dump server - Thread Data for System Crash |
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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 #include <scmdatatypes.h> |
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25 |
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26 namespace Debug |
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27 { |
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28 /** |
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29 * TThreadData implementation |
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30 * @internal technology |
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31 */ |
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32 |
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33 /** |
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34 * TThreadData constructor |
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35 */ |
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36 TThreadData::TThreadData() |
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37 : iId(ESCMThreadData) |
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38 ,iVersion(EThreadData1) |
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39 ,iPriority(0) |
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40 ,iTid(0) |
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41 ,iOwnerId(0) |
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42 ,iSvcSP(0) |
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43 ,iSvcStack(0) |
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44 ,iSvcStacksize(0) |
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45 ,iUsrSP(0) |
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46 ,iUsrStack(0) |
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47 ,iUsrStacksize(0) |
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48 ,iNamesize(0) |
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49 ,iLastCpu(0) |
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50 ,iSvcHeap(0) |
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51 ,iSvcHeapSize(0) |
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52 { |
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53 } |
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54 |
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55 /** |
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56 * Writes this classes data to the specified byte stream |
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57 * @param aWriter byte stream to use |
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58 * @return void |
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59 */ |
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60 TInt TThreadData::Serialize(TByteStreamWriter& aWriter) |
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61 { |
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62 TInt startPos = aWriter.CurrentPosition(); |
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63 |
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64 if(iId != ESCMThreadData) |
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65 { |
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66 CLTRACE("TThreadData::Serialize Corrupt ID"); |
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67 return KErrCorrupt; |
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68 } |
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69 |
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70 // ID saved first |
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71 aWriter.WriteInt(iId); // 4 |
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72 |
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73 aWriter.WriteShort((TUint16) iVersion); // 2 |
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74 |
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75 if(iVersion == EThreadData1) |
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76 { |
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77 // write data v1 format |
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78 aWriter.WriteInt(iPriority); // 4 |
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79 aWriter.WriteInt64(iTid); // 8 |
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80 aWriter.WriteInt64(iOwnerId); // 8 |
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81 aWriter.WriteInt(iSvcSP); // 4 |
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82 aWriter.WriteInt(iSvcStack); // 4 |
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83 aWriter.WriteInt(iSvcStacksize); // 4 |
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84 aWriter.WriteInt(iUsrSP); // 4 |
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85 aWriter.WriteInt(iUsrStack); // 4 |
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86 aWriter.WriteInt(iUsrStacksize); // 4 |
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87 aWriter.WriteInt(iLastCpu); // 4 |
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88 aWriter.WriteInt(iSvcHeap); // 4 |
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89 aWriter.WriteInt(iSvcHeapSize); // 4 |
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90 if(iName.Ptr()) |
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91 { |
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92 aWriter.WriteInt(iName.Length()); // 4 |
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93 for(TInt cnt = 0; cnt < iName.Length(); cnt++) |
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94 { |
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95 aWriter.WriteByte(iName[cnt]); |
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96 } |
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97 } |
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98 else |
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99 { |
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100 aWriter.WriteInt(0); |
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101 } |
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102 } |
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103 else |
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104 { |
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105 CLTRACE("TThreadData::Serialize Unsupported version"); |
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106 return KErrCorrupt; |
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107 } |
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108 |
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109 TInt endPos = aWriter.CurrentPosition(); |
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110 if( endPos - startPos != GetSize()) |
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111 { |
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112 // error between actual size & real size in data |
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113 CLTRACE("TThreadData::Serialize serialization size error"); |
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114 return KErrCorrupt; |
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115 } |
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116 |
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117 return KErrNone; |
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118 } |
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119 |
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120 /** |
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121 * Reads the classes data from the specified byte stream |
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122 * @param aReader Byte stream to use |
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123 * @return void |
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124 */ |
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125 TInt TThreadData::Deserialize(TByteStreamReader& aReader) |
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126 { |
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127 TInt startPos = aReader.CurrentPosition(); |
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128 |
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129 iId = (SCMStructId)aReader.ReadInt(); // 4 |
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130 if(iId != ESCMThreadData) |
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131 { |
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132 CLTRACE("TThreadData::Deserialize Corrupt ID read"); |
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133 return KErrCorrupt; |
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134 } |
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135 |
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136 iVersion = (TThreadDataVersion)aReader.ReadShort(); // 2 |
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137 |
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138 if(iVersion == EThreadData1) |
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139 { |
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140 // read data v1 format |
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141 iPriority = aReader.ReadInt(); // 4 |
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142 iTid = aReader.ReadInt64(); // 8 |
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143 iOwnerId = aReader.ReadInt64(); // 8 |
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144 iSvcSP = aReader.ReadInt(); // 4 |
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145 iSvcStack = aReader.ReadInt(); // 4 |
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146 iSvcStacksize = aReader.ReadInt(); // 4 |
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147 iUsrSP = aReader.ReadInt(); // 4 |
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148 iUsrStack = aReader.ReadInt(); // 4 |
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149 iUsrStacksize = aReader.ReadInt(); // 4 |
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150 iLastCpu = aReader.ReadInt(); // 4 |
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151 iSvcHeap = aReader.ReadInt(); // 4 |
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152 iSvcHeapSize = aReader.ReadInt(); // 4 |
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153 |
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154 iNamesize = aReader.ReadInt(); // 4 |
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155 |
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156 if(iName.Ptr() && iName.MaxLength() >= (TInt)iNamesize) |
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157 { |
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158 iName.SetLength(0); |
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159 |
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160 for(TUint cnt = 0; cnt < iNamesize; cnt++) |
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161 { |
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162 iName.Append(aReader.ReadByte()); //iNamesize bytes |
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163 } |
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164 } |
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165 } |
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166 else |
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167 { |
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168 iId = ESCMLast; //unrecognised header |
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169 CLTRACE("TThreadData::Deserialize Unsupported version"); |
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170 return KErrCorrupt; |
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171 } |
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172 |
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173 TInt endPos = aReader.CurrentPosition(); |
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174 if( endPos - startPos != GetSize()) |
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175 { |
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176 iId = ESCMLast; //unrecognised header |
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177 |
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178 // error between actual size & real size in data |
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179 CLTRACE("TThreadData::Deserialize serialization size error"); |
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180 return KErrCorrupt; |
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181 } |
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182 return KErrNone; |
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183 } |
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184 |
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185 /** |
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186 * Returns the externalised size of this class |
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187 * @return TInt size |
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188 */ |
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189 TInt TThreadData::GetSize() const |
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190 { |
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191 if(iVersion == EThreadData1) |
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192 { |
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193 return 66 + iName.Length(); |
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194 } |
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195 else |
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196 { |
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197 CLTRACE("TThreadData::GetSize Unsupported version"); |
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198 return KErrNotSupported; |
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199 } |
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200 } |
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201 |
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202 } |
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