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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\scmromdata.cpp |
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15 // Core dump server - ROM 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 * TRomHeaderData 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 * TRomHeaderData constructor |
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35 */ |
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36 TRomHeaderData::TRomHeaderData(): |
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37 iId(ESCMRomHeader), |
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38 iVersion(ERomHeaderDataVersion1), |
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39 iMajorVersion(0), |
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40 iMinorVersion(0), |
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41 iBuildNumber(0), |
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42 iTime(0) |
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43 { |
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44 } |
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45 |
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46 /** |
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47 * Writes this classes data to the specified byte stream |
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48 * @param aWriter byte stream to use |
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49 * @return void |
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50 */ |
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51 TInt TRomHeaderData::Serialize(TByteStreamWriter& aWriter) |
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52 { |
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53 TInt startPos = aWriter.CurrentPosition(); |
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54 |
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55 if(iId != ESCMRomHeader) |
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56 { |
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57 CLTRACE("TRomHeaderData::Serialize Corrupt ID"); |
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58 return KErrCorrupt; |
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59 } |
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60 |
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61 // ID saved first |
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62 aWriter.WriteInt(iId); // 4 |
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63 |
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64 aWriter.WriteShort((TUint16) iVersion); // 2 |
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65 |
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66 if(iVersion == ERomHeaderDataVersion1) |
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67 { |
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68 //ROM time |
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69 aWriter.WriteInt64(iTime); // 8 |
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70 |
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71 //Now the ROM version |
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72 aWriter.WriteByte(iMajorVersion); // 1 |
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73 aWriter.WriteByte(iMinorVersion); // 1 |
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74 aWriter.WriteShort(iBuildNumber); // 2 |
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75 } |
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76 else |
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77 { |
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78 CLTRACE("TRomHeaderData::Serialize Unsupported version"); |
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79 return KErrCorrupt; |
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80 } |
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81 |
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82 TInt pos1 = aWriter.CurrentPosition(); |
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83 if( pos1 - startPos != GetSize()) |
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84 { |
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85 // error between actual size & real size in data |
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86 CLTRACE("TRomHeaderData::Serialize serialization size error"); |
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87 return KErrCorrupt; |
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88 } |
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89 |
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90 return KErrNone; |
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91 } |
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92 |
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93 /** |
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94 * Reads the classes data from the specified byte stream |
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95 * @param aReader Byte stream to use |
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96 * @return void |
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97 */ |
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98 TInt TRomHeaderData::Deserialize(TByteStreamReader& aReader) |
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99 { |
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100 TInt startPos = aReader.CurrentPosition(); |
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101 |
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102 iId = (SCMStructId)aReader.ReadInt(); // 4 |
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103 if(iId != ESCMRomHeader) |
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104 { |
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105 CLTRACE("TRomHeaderData::Deserialize Corrupt ID read"); |
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106 return KErrCorrupt; |
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107 } |
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108 |
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109 iVersion = (TRomHeaderDataVersion)aReader.ReadShort(); // 2 |
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110 |
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111 if(iVersion == ERomHeaderDataVersion1) |
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112 { |
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113 //ROM time |
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114 iTime = aReader.ReadInt64(); // 8 |
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115 |
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116 //Now the ROM version |
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117 iMajorVersion = aReader.ReadByte(); // 1 |
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118 iMinorVersion = aReader.ReadByte(); // 1 |
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119 iBuildNumber = aReader.ReadShort(); // 2 |
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120 } |
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121 else |
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122 { |
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123 iId = ESCMLast; //unrecognised header |
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124 CLTRACE("TRomHeaderData::Deserialize Unsupported version"); |
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125 return KErrCorrupt; |
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126 } |
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127 |
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128 TInt pos1 = aReader.CurrentPosition(); |
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129 if( pos1 - startPos != GetSize()) |
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130 { |
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131 iId = ESCMLast; //unrecognised header |
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132 |
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133 // error between actual size & real size in data |
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134 CLTRACE("TRomHeaderData::Deserialize serialization size error"); |
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135 return KErrCorrupt; |
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136 } |
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137 return KErrNone; |
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138 } |
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139 |
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140 /** |
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141 * Returns the externalised size of this class |
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142 * @return TInt size |
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143 */ |
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144 TInt TRomHeaderData::GetSize() const |
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145 { |
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146 if(iVersion == ERomHeaderDataVersion1) |
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147 { |
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148 return 18; |
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149 } |
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150 else |
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151 { |
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152 CLTRACE("ERomHeaderDataVersion1::GetSize Unsupported version"); |
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153 return KErrNotSupported; |
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154 } |
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155 } |
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156 |
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157 } |