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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\scmprocessdata.cpp |
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15 // Core dump server - Process 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 * TProcessData 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 * TProcessData constructor |
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35 */ |
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36 TProcessData::TProcessData() |
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37 :iId(ESCMProcessData) |
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38 ,iVersion(EProcData1) |
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39 ,iPid(0) |
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40 ,iNamesize(0) |
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41 ,iPriority(0) |
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42 ,iSpare1(0) |
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43 ,iSpare2(0) |
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44 ,iSpare3(0) |
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45 { |
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46 } |
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47 |
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48 /** |
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49 * Writes this classes data to the specified byte stream |
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50 * @param aWriter byte stream to use |
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51 * @return One of the OS wide codes |
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52 */ |
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53 TInt TProcessData::Serialize(TByteStreamWriter& aWriter) |
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54 { |
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55 TInt startPos = aWriter.CurrentPosition(); |
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56 |
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57 // ID saved first |
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58 aWriter.WriteInt(iId); // 4 |
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59 |
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60 if(iId != ESCMProcessData) |
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61 { |
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62 CLTRACE("TProcessData::Serialize Corrupt ID"); |
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63 return KErrCorrupt; |
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64 } |
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65 |
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66 aWriter.WriteShort((TUint16) iVersion); // 2 |
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67 |
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68 if(iVersion == EProcData1) |
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69 { |
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70 // write data v1 format |
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71 aWriter.WriteInt(iPriority); // 4 |
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72 aWriter.WriteInt64(iPid); // 8 |
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73 if(iName.Ptr()) |
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74 { |
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75 aWriter.WriteInt(iName.Length()); // 4 |
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76 for(TInt cnt = 0; cnt < iName.Length(); cnt++) |
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77 { |
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78 aWriter.WriteByte(iName[cnt]); |
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79 } |
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80 } |
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81 else |
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82 { |
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83 aWriter.WriteInt(0); |
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84 } |
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85 |
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86 |
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87 } |
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88 else |
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89 { |
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90 CLTRACE("TProcessData::Serialize Unsupported version"); |
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91 return KErrCorrupt; |
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92 } |
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93 |
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94 TInt endPos = aWriter.CurrentPosition(); |
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95 if( endPos - startPos != GetSize()) |
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96 { |
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97 // error between actual size & real size in data |
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98 CLTRACE2("TProcessData::Serialize serialization size error. Wrote [%d] but expected [%d]", endPos - startPos, GetSize()); |
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99 return KErrCorrupt; |
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100 } |
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101 return KErrNone; |
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102 } |
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103 |
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104 /** |
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105 * Reads the classes data from the specified byte stream |
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106 * @param aReader Byte stream to use |
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107 * @return One of the OS wide codes |
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108 */ |
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109 TInt TProcessData::Deserialize(TByteStreamReader& aReader) |
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110 { |
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111 TInt startPos = aReader.CurrentPosition(); |
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112 |
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113 iId = (SCMStructId)aReader.ReadInt(); // 4 |
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114 if(iId != ESCMProcessData) |
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115 { |
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116 CLTRACE("TProcessData::Deserialize failed - Read corrupt ID"); |
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117 return KErrCorrupt; |
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118 } |
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119 |
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120 iVersion = (TProcessDataVersion)aReader.ReadShort(); // 2 |
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121 |
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122 if(iVersion == EProcData1) |
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123 { |
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124 // read data v1 format |
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125 iPriority = aReader.ReadInt(); // 4 |
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126 iPid = aReader.ReadInt64(); // 8 |
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127 |
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128 iNamesize = aReader.ReadInt(); // 4 |
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129 |
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130 if(iName.Ptr() && iName.MaxLength() >= (TInt)iNamesize) |
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131 { |
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132 iName.SetLength(0); |
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133 |
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134 for(TUint cnt = 0; cnt < iNamesize; cnt++) |
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135 { |
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136 iName.Append(aReader.ReadByte()); //iCategorySize bytes |
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137 } |
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138 } |
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139 |
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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 iId = ESCMLast; //unrecognised header |
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145 CLTRACE("TProcessData::Deserialize Unsupported version"); |
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146 return KErrCorrupt; |
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147 } |
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148 |
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149 TInt endPos = aReader.CurrentPosition(); |
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150 if( endPos - startPos != GetSize()) |
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151 { |
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152 iId = ESCMLast; //unrecognised header |
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153 |
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154 // error between actual size & real size in data |
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155 CLTRACE("TProcessData::Deserialize serialization size error"); |
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156 return KErrCorrupt; |
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157 } |
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158 return KErrNone; |
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159 } |
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160 |
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161 /** |
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162 * Returns the externalised size of this class |
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163 * @return TInt size |
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164 */ |
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165 TInt TProcessData::GetSize() const |
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166 { |
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167 if(iVersion == EProcData1) |
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168 { |
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169 return 22 + iName.Length(); |
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170 } |
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171 else |
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172 { |
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173 CLTRACE("TProcessData::GetSize Unsupported version"); |
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174 return KErrNotSupported; |
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175 } |
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176 } |
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177 |
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178 } |