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1 /* |
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2 * Copyright (c) 2006-2007 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 * |
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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 |
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21 #include <es_sock.h> |
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22 #include "natfwunsafunknownattributesattribute.h" |
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23 #include "natfwunsafutils.h" |
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24 |
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25 // ----------------------------------------------------------------------------- |
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26 // CNATFWUNSAFUnknownAttributesAttribute::NewL |
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27 // ----------------------------------------------------------------------------- |
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28 // |
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29 EXPORT_C CNATFWUNSAFUnknownAttributesAttribute* |
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30 CNATFWUNSAFUnknownAttributesAttribute::NewL() |
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31 { |
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32 CNATFWUNSAFUnknownAttributesAttribute* self = |
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33 CNATFWUNSAFUnknownAttributesAttribute::NewLC(); |
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34 CleanupStack::Pop(self); |
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35 return self; |
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36 } |
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37 |
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38 // ----------------------------------------------------------------------------- |
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39 // CNATFWUNSAFUnknownAttributesAttribute::NewLC |
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40 // ----------------------------------------------------------------------------- |
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41 // |
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42 EXPORT_C CNATFWUNSAFUnknownAttributesAttribute* |
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43 CNATFWUNSAFUnknownAttributesAttribute::NewLC() |
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44 { |
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45 CNATFWUNSAFUnknownAttributesAttribute* self = |
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46 new (ELeave) CNATFWUNSAFUnknownAttributesAttribute(); |
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47 CleanupStack::PushL(self); |
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48 return self; |
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49 } |
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50 |
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51 // ----------------------------------------------------------------------------- |
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52 // CNATFWUNSAFUnknownAttributesAttribute::DecodeAttributeL |
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53 // ----------------------------------------------------------------------------- |
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54 // |
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55 CNATFWUNSAFAttribute* |
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56 CNATFWUNSAFUnknownAttributesAttribute::DecodeAttributeL( |
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57 const TDesC8& aByteStream) |
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58 { |
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59 TUint16 valueLength = ParseLengthL(aByteStream); |
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60 |
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61 //Stream has to have enough data for the whole value element |
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62 __ASSERT_ALWAYS(aByteStream.Length() >= EValueOffset + valueLength, |
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63 User::Leave(KErrArgument)); |
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64 |
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65 //Check the value length is valid for this attribute |
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66 CheckLengthL(valueLength); |
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67 |
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68 CNATFWUNSAFUnknownAttributesAttribute* self = |
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69 new (ELeave) CNATFWUNSAFUnknownAttributesAttribute(); |
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70 CleanupStack::PushL(self); |
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71 |
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72 self->DecodeValueL(aByteStream.Mid(EValueOffset, valueLength)); |
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73 CleanupStack::Pop(self); |
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74 return self; |
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75 } |
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76 |
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77 // ----------------------------------------------------------------------------- |
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78 // CNATFWUNSAFUnknownAttributesAttribute::CNATFWUNSAFUnknownAttributesAttribute |
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79 // ----------------------------------------------------------------------------- |
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80 // |
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81 CNATFWUNSAFUnknownAttributesAttribute::CNATFWUNSAFUnknownAttributesAttribute() : |
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82 CNATFWUNSAFAttribute() |
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83 #ifdef TEST_EUNIT |
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84 , iContainedAttributes(1) |
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85 #endif |
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86 { |
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87 } |
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88 |
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89 // ----------------------------------------------------------------------------- |
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90 // CNATFWUNSAFUnknownAttributesAttribute::~CNATFWUNSAFUnknownAttributesAttribute |
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91 // ----------------------------------------------------------------------------- |
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92 // |
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93 EXPORT_C CNATFWUNSAFUnknownAttributesAttribute:: |
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94 ~CNATFWUNSAFUnknownAttributesAttribute() |
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95 { |
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96 iContainedAttributes.Close(); |
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97 } |
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98 |
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99 // ----------------------------------------------------------------------------- |
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100 // CNATFWUNSAFUnknownAttributesAttribute::Type |
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101 // ----------------------------------------------------------------------------- |
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102 // |
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103 CNATFWUNSAFAttribute::TType CNATFWUNSAFUnknownAttributesAttribute::Type() const |
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104 { |
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105 __TEST_INVARIANT; |
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106 |
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107 return EUnknownAttributes; |
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108 } |
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109 |
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110 // ----------------------------------------------------------------------------- |
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111 // CNATFWUNSAFUnknownAttributesAttribute::EncodeValueL |
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112 // If the number of attributes is an odd number, one attribute is repeated. |
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113 // ----------------------------------------------------------------------------- |
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114 // |
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115 HBufC8* CNATFWUNSAFUnknownAttributesAttribute::EncodeValueL() const |
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116 { |
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117 __TEST_INVARIANT; |
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118 |
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119 TInt count = iContainedAttributes.Count(); |
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120 if (count & 0x1) |
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121 { |
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122 count++; |
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123 } |
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124 |
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125 HBufC8* encodedValue = HBufC8::NewLC(count * EElementSize); |
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126 TPtr8 ptr = encodedValue->Des(); |
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127 ptr.FillZ(count * EElementSize); |
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128 |
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129 for (TInt i = 0; i < iContainedAttributes.Count(); ++i) |
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130 { |
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131 TUint16 value = static_cast<TUint16>(iContainedAttributes[i]); |
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132 NATFWUNSAFUtils::WriteNetworkOrder16L(ptr, |
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133 i * EElementSize, |
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134 value); |
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135 } |
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136 if (count > iContainedAttributes.Count()) |
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137 { |
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138 TUint16 value = static_cast<TUint16>(iContainedAttributes[0]); |
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139 NATFWUNSAFUtils::WriteNetworkOrder16L(ptr, |
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140 iContainedAttributes.Count() * EElementSize, |
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141 value); |
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142 } |
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143 |
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144 CleanupStack::Pop(encodedValue); |
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145 return encodedValue; |
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146 } |
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147 |
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148 // ----------------------------------------------------------------------------- |
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149 // CNATFWUNSAFUnknownAttributesAttribute::AddContainedAttributeL |
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150 // ----------------------------------------------------------------------------- |
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151 // |
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152 void CNATFWUNSAFUnknownAttributesAttribute::AddContainedAttributeL( |
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153 TUint16 aAttributeType) |
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154 { |
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155 __ASSERT_ALWAYS(iContainedAttributes.Find(aAttributeType) == KErrNotFound, |
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156 User::Leave(KErrAlreadyExists)); |
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157 |
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158 iContainedAttributes.AppendL(aAttributeType); |
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159 } |
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160 |
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161 // ----------------------------------------------------------------------------- |
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162 // CNATFWUNSAFUnknownAttributesAttribute::RemoveContainedAttribute |
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163 // ----------------------------------------------------------------------------- |
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164 // |
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165 TInt CNATFWUNSAFUnknownAttributesAttribute::RemoveContainedAttribute( |
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166 TUint16 aAttributeType) |
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167 { |
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168 TInt index = iContainedAttributes.Find(aAttributeType); |
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169 |
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170 if (index == KErrNotFound) |
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171 { |
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172 return KErrNotFound; |
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173 } |
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174 |
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175 iContainedAttributes.Remove(index); |
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176 return KErrNone; |
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177 } |
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178 |
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179 // ----------------------------------------------------------------------------- |
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180 // CNATFWUNSAFUnknownAttributesAttribute::ContainedAttributes |
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181 // ----------------------------------------------------------------------------- |
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182 // |
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183 EXPORT_C const RArray<TUint32>& CNATFWUNSAFUnknownAttributesAttribute:: |
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184 ContainedAttributes() const |
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185 { |
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186 __TEST_INVARIANT; |
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187 return iContainedAttributes; |
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188 } |
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189 |
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190 // ----------------------------------------------------------------------------- |
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191 // CNATFWUNSAFUnknownAttributesAttribute::CheckLengthL |
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192 // ----------------------------------------------------------------------------- |
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193 // |
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194 void CNATFWUNSAFUnknownAttributesAttribute::CheckLengthL(TInt aLength) |
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195 { |
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196 __ASSERT_ALWAYS((aLength % EGranularity) == 0, User::Leave(KErrCorrupt)); |
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197 } |
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198 |
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199 // ----------------------------------------------------------------------------- |
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200 // CNATFWUNSAFUnknownAttributesAttribute::DecodeValueL |
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201 // If the number of attributes would be an odd number, one attribute is |
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202 // repeated. The repeated attribute is not placed into iContainedAttributes |
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203 // array. |
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204 // ----------------------------------------------------------------------------- |
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205 // |
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206 void CNATFWUNSAFUnknownAttributesAttribute::DecodeValueL(const TDesC8& aValue) |
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207 { |
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208 for (TInt pos = 0; pos < aValue.Length(); pos = pos + EElementSize) |
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209 { |
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210 TUint attrType = BigEndian::Get16(aValue.Mid(pos).Ptr()); |
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211 |
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212 if (iContainedAttributes.Find(attrType) == KErrNotFound) |
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213 { |
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214 iContainedAttributes.AppendL(attrType); |
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215 } |
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216 } |
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217 } |
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218 |
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219 // ----------------------------------------------------------------------------- |
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220 // CNATFWUNSAFUnknownAttributesAttribute::__DbgTestInvariant |
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221 // ----------------------------------------------------------------------------- |
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222 // |
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223 void CNATFWUNSAFUnknownAttributesAttribute::__DbgTestInvariant() const |
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224 { |
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225 #if defined(_DEBUG) |
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226 /* if ( error ) |
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227 { |
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228 User::Invariant(); |
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229 } */ |
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230 #endif |
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231 } |