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1 // Copyright (c) 2010 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 "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 // Name : SdpOriginField.cpp |
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15 // Part of : Local SDP Codec |
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16 // Version : 1.0 |
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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 <in_sock.h> |
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22 #include <s32strm.h> |
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23 #include "sdporiginfield.h" |
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24 #include "sdporiginfieldptrs.h" |
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25 #include "sdputil.h" |
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26 #include "sdpcodecstringconstants.h" |
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27 #include "sdpcodecconstants.h" |
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28 #include "sdpcodecstringpool.h" |
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29 #include "sdpcodecerr.h" |
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30 #include "sdpcodec.pan" |
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31 #include "_sdpdefs.h" |
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32 |
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33 // LOCAL CONSTANTS AND MACROS |
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34 const TUint KMaxIPDesLength = 39; |
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35 const TUint KHeaderIndex = 0; |
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36 const TUint KUserNameIndex = 1; |
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37 const TUint KSessionIdIndex = 2; |
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38 const TUint KSessionVersionIndex = 3; |
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39 const TUint KNetworkTypeIndex = 4; |
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40 const TUint KAddressTypeIndex = 5; |
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41 const TUint KAddressIndex = 6; |
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42 const TInt KTokenCount = 7; |
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43 const TInt64 KDummyValue = 1; |
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44 |
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45 // ============================ MEMBER FUNCTIONS =============================== |
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46 |
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47 // ----------------------------------------------------------------------------- |
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48 // CSdpOriginField::CSdpOriginField |
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49 // C++ default constructor can NOT contain any code, that |
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50 // might leave. |
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51 // ----------------------------------------------------------------------------- |
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52 // |
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53 CSdpOriginField::CSdpOriginField() |
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54 { |
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55 } |
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56 |
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57 // ----------------------------------------------------------------------------- |
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58 // CSdpOriginField::ConstructL |
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59 // Symbian 2nd phase constructor can leave. |
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60 // ----------------------------------------------------------------------------- |
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61 // |
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62 void CSdpOriginField::ConstructL( |
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63 const TDesC8& aText ) |
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64 { |
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65 // aText should be of format: |
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66 // o=<username> <session id> <version> <network type> |
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67 // <address type> <address> |
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68 iPool = SdpCodecStringPool::StringPoolL(); |
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69 |
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70 RArray<TPtrC8> array; |
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71 array = SdpUtil::GetElementsFromLineL( aText, KErrSdpCodecOriginField ); |
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72 |
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73 CleanupClosePushL( array ); |
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74 |
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75 if ( array.Count() != KTokenCount ) |
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76 { |
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77 User::Leave( KErrSdpCodecOriginField ); |
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78 } |
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79 |
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80 // Check that the line contains valid header |
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81 RStringF origHeader = iPool.StringF( SdpCodecStringConstants::EOrigin, |
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82 SdpCodecStringConstants::Table ); |
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83 if ( origHeader.DesC().CompareF( array[KHeaderIndex] ) != 0 ) |
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84 { |
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85 // Header didn't match |
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86 User::Leave( KErrSdpCodecOriginField ); |
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87 } |
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88 |
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89 iUserName = |
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90 reinterpret_cast< HBufC8* >( CSdpOriginFieldPtrs::NewL( 0, 0 ) ); |
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91 |
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92 |
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93 // <username> |
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94 ParseUserNameL( array ); |
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95 |
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96 // <session id> & <version> |
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97 ParseSessionIDAndVersionL( array ); |
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98 |
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99 // <network type> & <address type> |
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100 ParseNetTypeAndAddressTypeL( array ); |
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101 |
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102 // <address> |
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103 ParseAddressL( array ); |
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104 |
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105 //If address is IPv4-Mapped IPv6 , it is changed to IPv4 |
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106 TInetAddr addr; |
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107 TBuf<KMaxAddressLength> address; |
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108 address.Copy(iAddress); |
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109 |
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110 TInt err = addr.Input( address ); |
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111 if ( err == KErrNone ) |
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112 { |
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113 // Valid IP address |
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114 TBuf<KMaxIPDesLength> buf; |
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115 addr.Output( buf ); |
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116 iAddress.Copy(buf); |
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117 |
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118 SetIPAddressType( addr ); |
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119 } |
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120 |
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121 |
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122 |
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123 CleanupStack::PopAndDestroy(); // array |
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124 |
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125 __TEST_INVARIANT; |
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126 } |
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127 |
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128 // ----------------------------------------------------------------------------- |
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129 // CSdpOriginField::ConstructL |
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130 // Symbian 2nd phase constructor can leave. |
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131 // ----------------------------------------------------------------------------- |
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132 // |
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133 void CSdpOriginField::ConstructL( |
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134 const TDesC8& aUserName, |
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135 TInt64 aSessionId, |
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136 TInt64 aSessionVersion, |
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137 TInetAddr& aUnicastAddress ) |
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138 { |
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139 iPool = SdpCodecStringPool::StringPoolL(); |
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140 |
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141 __ASSERT_ALWAYS( |
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142 IsValidUserName( aUserName ) |
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143 && IsValidAddress( aUnicastAddress ) |
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144 && aSessionId >= 0 && aSessionVersion >= 0, |
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145 User::Leave( KErrSdpCodecOriginField ) ); |
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146 |
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147 iUserName = reinterpret_cast< HBufC8* > |
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148 ( CSdpOriginFieldPtrs::NewL( aSessionId, aSessionVersion ) ); |
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149 OriginFieldPtrs().SetUserNameL( aUserName ); |
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150 |
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151 TBuf<KMaxIPDesLength> des; |
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152 aUnicastAddress.Output( des ); |
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153 //if aUnicastAddress was IPv4-Mapped IPv6 address, |
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154 // the result of Output is IPv4 |
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155 // the address is stored in IPv4 format, so the iAddressType |
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156 // must also be IPv4. |
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157 iAddress.Copy( des ); |
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158 SetIPAddressType( aUnicastAddress ); |
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159 |
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160 iNetType = iPool.StringF( SdpCodecStringConstants::ENetType, |
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161 SdpCodecStringConstants::Table ).Copy(); |
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162 |
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163 __TEST_INVARIANT; |
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164 } |
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165 |
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166 // ----------------------------------------------------------------------------- |
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167 // CSdpOriginField::ConstructL |
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168 // Symbian 2nd phase constructor can leave. |
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169 // ----------------------------------------------------------------------------- |
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170 // |
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171 void CSdpOriginField::ConstructL( |
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172 const TDesC8& aUserName, |
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173 TInt64 aSessionId, |
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174 TInt64 aSessionVersion, |
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175 RStringF aNetType, |
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176 RStringF aAddressType, |
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177 const TDesC8& aAddress ) |
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178 { |
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179 iPool = SdpCodecStringPool::StringPoolL(); |
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180 |
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181 __ASSERT_ALWAYS( |
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182 IsValidUserName( aUserName ) |
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183 && IsValidAddress( aAddress ) && |
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184 TypeMatchesWithFormat( aAddress, aAddressType.DesC(), iPool ) |
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185 && ( SdpUtil::IsToken( aNetType.DesC() ) ) |
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186 && ( SdpUtil::IsToken( aAddressType.DesC() ) ) |
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187 && aSessionId >= 0 && aSessionVersion >= 0, |
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188 User::Leave( KErrSdpCodecOriginField ) ); |
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189 |
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190 iUserName = reinterpret_cast< HBufC8* > |
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191 ( CSdpOriginFieldPtrs::NewL( aSessionId, aSessionVersion ) ); |
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192 OriginFieldPtrs().SetUserNameL( aUserName ); |
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193 |
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194 iNetType = aNetType.Copy(); |
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195 TInetAddr addr; |
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196 TBuf<KMaxAddressLength> address; |
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197 address.Copy(aAddress); |
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198 TInt err = addr.Input(address); |
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199 if ( err == KErrNone ) |
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200 { |
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201 // Valid IP address |
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202 TBuf< KMaxIPDesLength > buf; |
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203 addr.Output( buf ); |
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204 iAddress.Copy( buf ); |
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205 SetIPAddressType( addr ); |
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206 } |
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207 else |
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208 { |
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209 iAddress = aAddress; |
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210 iAddressType = aAddressType.Copy(); |
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211 } |
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212 __TEST_INVARIANT; |
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213 } |
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214 |
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215 // ----------------------------------------------------------------------------- |
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216 // CSdpOriginField::DecodeL |
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217 // Two-phased constructor |
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218 // ----------------------------------------------------------------------------- |
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219 // |
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220 EXPORT_C CSdpOriginField* CSdpOriginField::DecodeL( |
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221 const TDesC8& aText ) |
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222 { |
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223 CSdpOriginField* obj = CSdpOriginField::DecodeLC( aText ); |
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224 CleanupStack::Pop(); |
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225 return obj; |
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226 } |
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227 |
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228 // ----------------------------------------------------------------------------- |
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229 // CSdpOriginField::DecodeLC |
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230 // Two-phased constructor |
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231 // ----------------------------------------------------------------------------- |
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232 // |
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233 EXPORT_C CSdpOriginField* CSdpOriginField::DecodeLC( |
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234 const TDesC8& aText ) |
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235 { |
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236 CSdpOriginField* obj = new ( ELeave ) CSdpOriginField; |
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237 CleanupStack::PushL( obj ); |
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238 obj->ConstructL(aText ); |
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239 return obj; |
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240 } |
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241 |
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242 // ----------------------------------------------------------------------------- |
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243 // CSdpOriginField::NewL |
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244 // Two-phased constructor |
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245 // ----------------------------------------------------------------------------- |
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246 // |
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247 EXPORT_C CSdpOriginField* CSdpOriginField::NewL( |
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248 const TDesC8& aUserName, |
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249 TInt64 aSessionId, |
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250 TInt64 aSessionVersion, |
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251 TInetAddr& aAddress ) |
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252 { |
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253 CSdpOriginField* obj = CSdpOriginField::NewLC( |
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254 aUserName, aSessionId, aSessionVersion, aAddress ); |
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255 CleanupStack::Pop(); |
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256 return obj; |
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257 } |
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258 |
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259 // ----------------------------------------------------------------------------- |
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260 // CSdpOriginField::NewLC |
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261 // Two-phased constructor |
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262 // ----------------------------------------------------------------------------- |
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263 // |
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264 EXPORT_C CSdpOriginField* CSdpOriginField::NewLC( |
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265 const TDesC8& aUserName, |
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266 TInt64 aSessionId, |
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267 TInt64 aSessionVersion, |
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268 TInetAddr& aAddress ) |
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269 { |
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270 CSdpOriginField* obj = new ( ELeave ) CSdpOriginField; |
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271 CleanupStack::PushL(obj); |
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272 obj->ConstructL( aUserName, aSessionId, aSessionVersion, aAddress ); |
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273 return obj; |
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274 } |
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275 |
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276 // ----------------------------------------------------------------------------- |
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277 // CSdpOriginField::NewL |
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278 // Two-phased constructor |
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279 // ----------------------------------------------------------------------------- |
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280 // |
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281 EXPORT_C CSdpOriginField* CSdpOriginField::NewL( |
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282 const TDesC8& aUserName, |
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283 TInt64 aSessionId, |
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284 TInt64 aSessionVersion, |
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285 RStringF aNetType, |
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286 RStringF aAddressType, |
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287 const TDesC8& aAddress ) |
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288 { |
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289 CSdpOriginField* obj = CSdpOriginField::NewLC( |
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290 aUserName, aSessionId, aSessionVersion, aNetType, |
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291 aAddressType, aAddress ); |
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292 CleanupStack::Pop(); |
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293 return obj; |
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294 } |
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295 |
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296 // ----------------------------------------------------------------------------- |
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297 // CSdpOriginField::NewLC |
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298 // Two-phased constructor |
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299 // ----------------------------------------------------------------------------- |
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300 // |
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301 EXPORT_C CSdpOriginField* CSdpOriginField::NewLC( |
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302 const TDesC8& aUserName, |
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303 TInt64 aSessionId, |
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304 TInt64 aSessionVersion, |
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305 RStringF aNetType, |
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306 RStringF aAddressType, |
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307 const TDesC8& aAddress ) |
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308 { |
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309 CSdpOriginField* obj = new ( ELeave ) CSdpOriginField; |
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310 CleanupStack::PushL( obj ); |
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311 obj->ConstructL( aUserName, aSessionId, aSessionVersion, aNetType, |
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312 aAddressType, aAddress ); |
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313 return obj; |
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314 } |
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315 |
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316 // ----------------------------------------------------------------------------- |
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317 // CSdpOriginField::~CSdpOriginField |
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318 // ----------------------------------------------------------------------------- |
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319 // |
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320 EXPORT_C CSdpOriginField::~CSdpOriginField() |
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321 { |
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322 CSdpOriginFieldPtrs* tmp = |
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323 reinterpret_cast< CSdpOriginFieldPtrs* >( iUserName ); |
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324 delete tmp; |
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325 |
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326 iNetType.Close(); |
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327 iAddressType.Close(); |
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328 } |
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329 |
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330 // ----------------------------------------------------------------------------- |
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331 // CSdpOriginField::EncodeL |
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332 // Writes attributes in proper format to the stream |
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333 // ----------------------------------------------------------------------------- |
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334 // |
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335 EXPORT_C void CSdpOriginField::EncodeL( |
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336 RWriteStream& aStream ) const |
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337 { |
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338 __TEST_INVARIANT; |
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339 |
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340 // o=<username> <session id> <version> <network type> <address type> |
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341 // <address> |
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342 |
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343 // "o=" |
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344 RStringF header = iPool.StringF( SdpCodecStringConstants::EOrigin, |
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345 SdpCodecStringConstants::Table ); |
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346 aStream.WriteL( header.DesC() ); |
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347 |
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348 // <username> |
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349 aStream.WriteL( OriginFieldPtrs().UserName() ); |
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350 aStream.WriteL( KSPStr ); |
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351 |
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352 // <session id> |
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353 aStream.WriteL( OriginFieldPtrs().SessionId() ); |
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354 aStream.WriteL( KSPStr ); |
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355 |
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356 // <version> |
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357 aStream.WriteL( OriginFieldPtrs().SessionVersion() ); |
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358 aStream.WriteL( KSPStr ); |
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359 |
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360 // <network type> |
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361 aStream.WriteL( iNetType.DesC() ); |
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362 aStream.WriteL( KSPStr ); |
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363 |
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364 // <address type> |
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365 aStream.WriteL( iAddressType.DesC() ); |
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366 aStream.WriteL( KSPStr ); |
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367 |
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368 // <address> |
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369 aStream.WriteL( iAddress ); |
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370 |
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371 // End-of-Line mark |
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372 aStream.WriteL( KCRLFStr ); |
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373 } |
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374 |
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375 // ----------------------------------------------------------------------------- |
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376 // CSdpOriginField::CloneL |
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377 // Creates an exact copy of the origin field |
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378 // ----------------------------------------------------------------------------- |
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379 // |
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380 EXPORT_C CSdpOriginField* CSdpOriginField::CloneL() const |
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381 { |
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382 __TEST_INVARIANT; |
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383 |
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384 CSdpOriginField* obj = 0; |
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385 |
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386 if ( InetAddress() ) |
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387 { |
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388 // Clones instance with TInetAddr |
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389 TInetAddr addr( *InetAddress() ); |
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390 obj = CSdpOriginField::NewLC( UserName(), KDummyValue, |
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391 KDummyValue, addr ); |
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392 } |
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393 else |
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394 { |
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395 // Clones instance with Internet address as a standard string |
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396 obj = CSdpOriginField::NewLC( UserName(), KDummyValue, KDummyValue, |
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397 iNetType, iAddressType, Address() ); |
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398 } |
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399 |
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400 // Set the real values |
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401 obj->OriginFieldPtrs().SetSessionIdL( OriginFieldPtrs().SessionId() ); |
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402 obj->OriginFieldPtrs().SetSessionVersionL( |
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403 OriginFieldPtrs().SessionVersion() ); |
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404 CleanupStack::Pop( obj ); |
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405 |
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406 __ASSERT_DEBUG( *this == *obj, User::Panic( KSdpCodecPanicCat, |
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407 KSdpCodecPanicInternal ) ); |
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408 return obj; |
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409 } |
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410 |
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411 // ----------------------------------------------------------------------------- |
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412 // CSdpOriginField::operator == |
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413 // Checks if two origin fields are equal |
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414 // ----------------------------------------------------------------------------- |
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415 // |
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416 EXPORT_C TBool CSdpOriginField::operator == ( |
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417 const CSdpOriginField& aObj) const |
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418 { |
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419 __TEST_INVARIANT; |
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420 |
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421 TBool equalFields = EFalse; |
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422 |
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423 // Check that username, session ID and address type match before |
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424 // going to internet address |
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425 if ( ( UserName().CompareF( aObj.UserName() ) == 0 ) && |
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426 ( SessionId() == aObj.SessionId() ) && |
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427 ( AddressType() == aObj.AddressType() ) && |
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428 ( Version() == aObj.Version() ) && |
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429 ( NetType() == aObj.NetType() ) ) |
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430 { |
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431 if ( InetAddress() && aObj.InetAddress() ) |
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432 { |
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433 if ( (*InetAddress()).Match( *aObj.InetAddress() ) ) |
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434 { |
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435 equalFields = ETrue; |
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436 } |
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437 } |
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438 else if ( !InetAddress() && !aObj.InetAddress() ) |
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439 { |
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440 if ( iAddress.CompareF( aObj.Address() ) == 0 ) |
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441 { |
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442 equalFields = ETrue; |
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443 } |
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444 } |
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445 else |
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446 { |
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447 // These two are not the same |
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448 } |
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449 } |
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450 |
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451 return equalFields; |
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452 } |
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453 |
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454 // ----------------------------------------------------------------------------- |
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455 // CSdpOriginField::UserName |
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456 // Returns username |
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457 // ----------------------------------------------------------------------------- |
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458 // |
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459 EXPORT_C const TDesC8& CSdpOriginField::UserName() const |
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460 { |
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461 __TEST_INVARIANT; |
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462 return OriginFieldPtrs().UserName(); |
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463 } |
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464 |
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465 // ----------------------------------------------------------------------------- |
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466 // CSdpOriginField::SetUserNameL |
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467 // Sets a new username |
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468 // ----------------------------------------------------------------------------- |
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469 // |
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470 EXPORT_C void CSdpOriginField::SetUserNameL( |
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471 const TDesC8& aValue ) |
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472 { |
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473 __TEST_INVARIANT; |
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474 if ( IsValidUserName( aValue ) ) |
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475 { |
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476 OriginFieldPtrs().SetUserNameL( aValue ); |
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477 } |
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478 else |
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479 { |
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480 User::Leave( KErrSdpCodecOriginField ); |
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481 } |
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482 } |
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483 |
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484 // ----------------------------------------------------------------------------- |
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485 // CSdpOriginField::SessionId |
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486 // Returns current session id |
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487 // ----------------------------------------------------------------------------- |
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488 // |
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489 EXPORT_C TInt64 CSdpOriginField::SessionId() const |
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490 { |
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491 __TEST_INVARIANT; |
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492 |
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493 return Get63Msbs( OriginFieldPtrs().SessionId() ); |
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494 } |
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495 |
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496 // ----------------------------------------------------------------------------- |
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497 // CSdpOriginField::SetSessionId |
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498 // Sets new session ID |
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499 // ----------------------------------------------------------------------------- |
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500 // |
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501 EXPORT_C void CSdpOriginField::SetSessionId( |
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502 TInt64 aValue ) |
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503 { |
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504 __TEST_INVARIANT; |
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505 if ( aValue >= 0 ) |
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506 { |
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507 TRAP_IGNORE( OriginFieldPtrs().SetSessionIdL( aValue ) ) |
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508 } |
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509 } |
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510 |
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511 // ----------------------------------------------------------------------------- |
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512 // CSdpOriginField::Version |
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513 // Returns version number of the announcement |
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514 // ----------------------------------------------------------------------------- |
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515 // |
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516 EXPORT_C TInt64 CSdpOriginField::Version() const |
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517 { |
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518 __TEST_INVARIANT; |
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519 |
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520 return Get63Msbs( OriginFieldPtrs().SessionVersion() ); |
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521 } |
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522 |
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523 // ----------------------------------------------------------------------------- |
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524 // CSdpOriginField::SetVersion |
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525 // Sets new version for this session's announcement |
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526 // ----------------------------------------------------------------------------- |
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527 // |
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528 EXPORT_C void CSdpOriginField::SetVersion( |
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529 TInt64 aValue ) |
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530 { |
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531 __TEST_INVARIANT; |
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532 if ( aValue >= 0 ) |
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533 { |
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534 TRAP_IGNORE( OriginFieldPtrs().SetSessionVersionL( aValue ) ) |
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535 } |
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536 } |
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537 |
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538 // ----------------------------------------------------------------------------- |
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539 // CSdpOriginField::NetType |
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540 // Returns net type (always Internet) |
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541 // ----------------------------------------------------------------------------- |
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542 // |
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543 EXPORT_C RStringF CSdpOriginField::NetType() const |
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544 { |
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545 __TEST_INVARIANT; |
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546 return iNetType; |
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547 } |
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548 |
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549 // ----------------------------------------------------------------------------- |
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550 // CSdpOriginField::AddressType |
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551 // Returns address type (IP4/IP6) |
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552 // ----------------------------------------------------------------------------- |
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553 // |
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554 EXPORT_C RStringF CSdpOriginField::AddressType() const |
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555 { |
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556 __TEST_INVARIANT; |
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557 return iAddressType; |
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558 } |
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559 |
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560 // ----------------------------------------------------------------------------- |
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561 // CSdpOriginField::InetAddress |
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562 // Returns the unicast address |
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563 // ----------------------------------------------------------------------------- |
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564 // |
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565 EXPORT_C const TInetAddr* CSdpOriginField::InetAddress() const |
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566 { |
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567 __TEST_INVARIANT; |
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568 |
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569 TBuf<KMaxAddressLength> address16; |
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570 address16.Copy( iAddress ); |
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571 TInt err = iUnicastAddress.Input( address16 ); |
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572 |
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573 if ( !err ) |
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574 { |
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575 return &iUnicastAddress; |
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576 } |
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577 else |
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578 { |
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579 return NULL; |
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580 } |
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581 } |
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582 |
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583 // ----------------------------------------------------------------------------- |
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584 // CSdpOriginField::Address |
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585 // Returns the address |
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586 // ----------------------------------------------------------------------------- |
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587 // |
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588 EXPORT_C const TDesC8& CSdpOriginField::Address() const |
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589 { |
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590 __TEST_INVARIANT; |
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591 return iAddress; |
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592 } |
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593 |
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594 // ----------------------------------------------------------------------------- |
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595 // CSdpOriginField::SetInetAddress |
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596 // Sets Internet Address |
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597 // ----------------------------------------------------------------------------- |
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598 // |
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599 EXPORT_C void CSdpOriginField::SetInetAddress( |
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600 const TInetAddr& aValue ) |
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601 { |
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602 __TEST_INVARIANT; |
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603 |
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604 if ( IsValidAddress( aValue ) ) |
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605 { |
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606 TBuf<KMaxIPDesLength> buf; |
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607 aValue.Output( buf ); |
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608 // Copy new address to safe |
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609 iAddress.Copy( buf ); |
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610 |
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611 // Copy network type and address type |
|
612 SdpUtil::SetDefaultNetTypeAndAddrType( |
|
613 iPool, aValue, iNetType, iAddressType ); |
|
614 SetIPAddressType( aValue ); |
|
615 } |
|
616 |
|
617 __TEST_INVARIANT; |
|
618 } |
|
619 |
|
620 // ----------------------------------------------------------------------------- |
|
621 // CSdpOriginField::SetAddressL |
|
622 // Sets address from the buffer |
|
623 // ----------------------------------------------------------------------------- |
|
624 // |
|
625 EXPORT_C void CSdpOriginField::SetAddressL( |
|
626 const TDesC8& aAddress, |
|
627 RStringF aNetType, |
|
628 RStringF aAddressType ) |
|
629 { |
|
630 __TEST_INVARIANT; |
|
631 |
|
632 __ASSERT_ALWAYS( SdpUtil::IsToken( aNetType.DesC() ) && |
|
633 SdpUtil::IsToken( aAddressType.DesC() ) && |
|
634 IsValidAddress( aAddress ) && |
|
635 TypeMatchesWithFormat( aAddress, |
|
636 aAddressType.DesC(), iPool ), |
|
637 User::Leave( KErrSdpCodecOriginField ) ); |
|
638 |
|
639 iAddress = aAddress; |
|
640 iAddressType.Close(); |
|
641 iAddressType = aAddressType.Copy(); |
|
642 |
|
643 __TEST_INVARIANT; |
|
644 } |
|
645 |
|
646 // ----------------------------------------------------------------------------- |
|
647 // CSdpOriginField::ExternalizeL |
|
648 // Externalizes the field back to string |
|
649 // ----------------------------------------------------------------------------- |
|
650 // |
|
651 void CSdpOriginField::ExternalizeL( |
|
652 RWriteStream& aStream ) const |
|
653 { |
|
654 __TEST_INVARIANT; |
|
655 |
|
656 // <username> |
|
657 aStream.WriteUint32L( UserName().Length() ); |
|
658 aStream.WriteL( UserName(), UserName().Length() ); |
|
659 // <session id> |
|
660 aStream.WriteUint32L( OriginFieldPtrs().SessionId().Length() ); |
|
661 aStream.WriteL( OriginFieldPtrs().SessionId(), |
|
662 OriginFieldPtrs().SessionId().Length() ); |
|
663 // <version> |
|
664 aStream.WriteUint32L( OriginFieldPtrs().SessionVersion().Length() ); |
|
665 aStream.WriteL( OriginFieldPtrs().SessionVersion(), |
|
666 OriginFieldPtrs().SessionVersion().Length() ); |
|
667 // <network type> |
|
668 aStream.WriteUint32L( iNetType.DesC().Length() ); |
|
669 aStream.WriteL( iNetType.DesC() ); |
|
670 // <address type> |
|
671 aStream.WriteUint32L( iAddressType.DesC().Length() ); |
|
672 aStream.WriteL( iAddressType.DesC() ); |
|
673 // <address> |
|
674 aStream.WriteUint32L( iAddress.Length() ); |
|
675 aStream.WriteL( iAddress ); |
|
676 } |
|
677 |
|
678 // ----------------------------------------------------------------------------- |
|
679 // CSdpOriginField::InternalizeL |
|
680 // Internalizes from stream |
|
681 // ----------------------------------------------------------------------------- |
|
682 // |
|
683 CSdpOriginField* CSdpOriginField::InternalizeL( |
|
684 RReadStream& aStream ) |
|
685 { |
|
686 RStringPool pool = SdpCodecStringPool::StringPoolL(); |
|
687 |
|
688 // <username> |
|
689 TUint32 length = aStream.ReadUint32L(); |
|
690 HBufC8* userName = HBufC8::NewLC( length ); |
|
691 TPtr8 ptr( userName->Des() ); |
|
692 aStream.ReadL( ptr, length ); |
|
693 |
|
694 // <session id> |
|
695 length = aStream.ReadUint32L(); |
|
696 HBufC8* sessionId = HBufC8::NewLC( length ); |
|
697 ptr.Set( sessionId->Des() ); |
|
698 aStream.ReadL( ptr, length ); |
|
699 |
|
700 // <version> |
|
701 length = aStream.ReadUint32L(); |
|
702 HBufC8* version = HBufC8::NewLC( length ); |
|
703 ptr.Set( version->Des() ); |
|
704 aStream.ReadL( ptr, length ); |
|
705 |
|
706 // <network type> |
|
707 length = aStream.ReadUint32L(); |
|
708 HBufC8* netType = HBufC8::NewLC( length ); |
|
709 ptr.Set( netType->Des() ); |
|
710 aStream.ReadL( ptr, length ); |
|
711 |
|
712 // <address type> |
|
713 length = aStream.ReadUint32L(); |
|
714 HBufC8* addrType = HBufC8::NewLC( length ); |
|
715 ptr.Set( addrType->Des() ); |
|
716 aStream.ReadL( ptr, length ); |
|
717 |
|
718 // <address> |
|
719 length = aStream.ReadUint32L(); |
|
720 HBufC8* address = HBufC8::NewLC( length ); |
|
721 TPtr8 ptr2( address->Des() ); |
|
722 aStream.ReadL( ptr2, length ); |
|
723 |
|
724 RStringF netTypeStr = pool.OpenFStringL( *netType ); |
|
725 RStringF addrTypeStr = pool.OpenFStringL( *addrType ); |
|
726 CleanupClosePushL( netTypeStr ); |
|
727 CleanupClosePushL( addrTypeStr ); |
|
728 |
|
729 CSdpOriginField* obj = CSdpOriginField::NewLC( *userName, KDummyValue, |
|
730 KDummyValue, netTypeStr, |
|
731 addrTypeStr, *address ); |
|
732 // Set the real values |
|
733 obj->OriginFieldPtrs().SetSessionIdL( *sessionId ); |
|
734 obj->OriginFieldPtrs().SetSessionVersionL( *version ); |
|
735 CleanupStack::Pop( obj ); |
|
736 CleanupStack::Pop( 2 ); // addrTypeStr, netTypeStr |
|
737 CleanupStack::PopAndDestroy( address ); |
|
738 CleanupStack::PopAndDestroy( addrType ); |
|
739 CleanupStack::PopAndDestroy( netType ); |
|
740 CleanupStack::PopAndDestroy( version ); |
|
741 CleanupStack::PopAndDestroy( sessionId ); |
|
742 CleanupStack::PopAndDestroy( userName ); |
|
743 |
|
744 return obj; |
|
745 } |
|
746 |
|
747 // ----------------------------------------------------------------------------- |
|
748 // CSdpOriginField::IsValidAddress |
|
749 // Checks if the address is valid |
|
750 // ----------------------------------------------------------------------------- |
|
751 // |
|
752 TBool CSdpOriginField::IsValidAddress( |
|
753 const TDesC8& aAddress ) const |
|
754 { |
|
755 TInetAddr addr; |
|
756 TBool valid = ETrue; |
|
757 |
|
758 if ( aAddress.Length() > 0 && aAddress.Length() <= KMaxAddressLength ) |
|
759 { |
|
760 TBuf<KMaxAddressLength> address16; |
|
761 address16.Copy( aAddress ); |
|
762 TInt err = addr.Input( address16 ); |
|
763 |
|
764 if ( !err ) |
|
765 { |
|
766 valid = ( addr.IsUnicast() || addr.IsUnspecified() ); |
|
767 } |
|
768 else |
|
769 { |
|
770 RStringF addrTypeIP4 = |
|
771 iPool.StringF( SdpCodecStringConstants::EAddressTypeIP4, |
|
772 SdpCodecStringConstants::Table ); |
|
773 RStringF addrTypeIP6 = |
|
774 iPool.StringF( SdpCodecStringConstants::EAddressType, |
|
775 SdpCodecStringConstants::Table ); |
|
776 |
|
777 if ( iAddressType == addrTypeIP4 || iAddressType == addrTypeIP6 ) |
|
778 { |
|
779 // FQDN address, check that it has only valid characters |
|
780 // 0..9, a..z, A..Z, '.', '-' |
|
781 |
|
782 for ( TInt i( 0 ); i < aAddress.Length() && valid; i++ ) |
|
783 { |
|
784 if (KValidFQDNChars().Locate(aAddress[i]) == KErrNotFound) |
|
785 { |
|
786 valid = EFalse; |
|
787 } |
|
788 } |
|
789 } |
|
790 else |
|
791 { |
|
792 valid = SdpUtil::IsNonWhitespace( aAddress ); |
|
793 } |
|
794 } |
|
795 } |
|
796 else |
|
797 { |
|
798 valid = EFalse; |
|
799 } |
|
800 |
|
801 return valid; |
|
802 } |
|
803 |
|
804 // ----------------------------------------------------------------------------- |
|
805 // CSdpOriginField::IsValidAddress |
|
806 // Checks if the address is valid |
|
807 // ----------------------------------------------------------------------------- |
|
808 // |
|
809 TBool CSdpOriginField::IsValidAddress( |
|
810 const TInetAddr& addr ) const |
|
811 { |
|
812 TBuf<KMaxIPDesLength> buf16; |
|
813 TBuf8<KMaxIPDesLength> buf; |
|
814 //if addr is IPv4-Mapped IPv6, buf value will be IPv4 after Output |
|
815 addr.Output( buf16 ); |
|
816 buf.Copy( buf16 ); |
|
817 |
|
818 return IsValidAddress( buf ); |
|
819 } |
|
820 |
|
821 // ----------------------------------------------------------------------------- |
|
822 // CSdpOriginField::TypeMatchesWithFormat |
|
823 // Checks if address type is aligned with the address format |
|
824 // ----------------------------------------------------------------------------- |
|
825 // |
|
826 TBool CSdpOriginField::TypeMatchesWithFormat( |
|
827 const TDesC8& aAddress, |
|
828 const TDesC8& aType, |
|
829 RStringPool aPool ) const |
|
830 { |
|
831 RStringF addrTypeIP4 = |
|
832 aPool.StringF( SdpCodecStringConstants::EAddressTypeIP4, |
|
833 SdpCodecStringConstants::Table ); |
|
834 RStringF addrTypeIP6 = |
|
835 aPool.StringF( SdpCodecStringConstants::EAddressType, |
|
836 SdpCodecStringConstants::Table ); |
|
837 |
|
838 TBool valid( ETrue ); |
|
839 |
|
840 // Check that address type and address matches together |
|
841 TInetAddr addr; |
|
842 TBuf<KMaxAddressLength> address16; |
|
843 address16.Copy( aAddress ); |
|
844 TInt err = addr.Input( address16 ); |
|
845 if ( err == KErrNone && !addr.IsUnspecified()) |
|
846 { |
|
847 TBool ip4Type = ( addrTypeIP4.DesC().CompareF( aType ) == 0 ); |
|
848 TBool ip6Type = ( addrTypeIP6.DesC().CompareF( aType ) == 0 ); |
|
849 |
|
850 if ( ip4Type || ip6Type ) |
|
851 { |
|
852 if ( ( addr.Address() && !addr.IsV4Mapped() && !ip4Type ) || |
|
853 (addr.Address() && addr.IsV4Mapped() && !ip6Type) || |
|
854 ( !addr.Address() && !ip6Type ) ) |
|
855 { |
|
856 valid = EFalse; |
|
857 } |
|
858 } |
|
859 } |
|
860 |
|
861 return valid; |
|
862 } |
|
863 |
|
864 // ----------------------------------------------------------------------------- |
|
865 // CSdpOriginField::IsValidUserName |
|
866 // Checks if the given username is valid |
|
867 // ----------------------------------------------------------------------------- |
|
868 // |
|
869 TBool CSdpOriginField::IsValidUserName( |
|
870 const TDesC8& aUserName ) const |
|
871 { |
|
872 TBool valid = EFalse; |
|
873 |
|
874 if ( aUserName.Length() > 0 && SdpUtil::IsNonWhitespace( aUserName ) ) |
|
875 { |
|
876 valid = ETrue; |
|
877 } |
|
878 |
|
879 return valid; |
|
880 } |
|
881 |
|
882 // ----------------------------------------------------------------------------- |
|
883 // CSdpOriginField::ParseUserNameL |
|
884 // Parses username. Can't use CSdpOriginField::SetUserNameL, as invariant would |
|
885 // fail. |
|
886 // ----------------------------------------------------------------------------- |
|
887 // |
|
888 void CSdpOriginField::ParseUserNameL( |
|
889 RArray<TPtrC8>& aArray ) |
|
890 { |
|
891 __ASSERT_ALWAYS( IsValidUserName( aArray[KUserNameIndex] ), |
|
892 User::Leave( KErrSdpCodecOriginField ) ); |
|
893 OriginFieldPtrs().SetUserNameL( aArray[KUserNameIndex] ); |
|
894 } |
|
895 |
|
896 // ----------------------------------------------------------------------------- |
|
897 // CSdpOriginField::ParseSessionIDAndVersionL |
|
898 // Parses session ID and version |
|
899 // ----------------------------------------------------------------------------- |
|
900 // |
|
901 void CSdpOriginField::ParseSessionIDAndVersionL( |
|
902 RArray<TPtrC8>& aArray ) |
|
903 { |
|
904 __ASSERT_ALWAYS( SdpUtil::IsDigit( aArray[KSessionIdIndex] ) && |
|
905 SdpUtil::IsDigit( aArray[KSessionVersionIndex] ), |
|
906 User::Leave( KErrSdpCodecOriginField ) ); |
|
907 |
|
908 OriginFieldPtrs().SetSessionIdL( aArray[KSessionIdIndex] ); |
|
909 OriginFieldPtrs().SetSessionVersionL( aArray[KSessionVersionIndex] ); |
|
910 } |
|
911 |
|
912 // ----------------------------------------------------------------------------- |
|
913 // CSdpOriginField::ParseNetTypeAndAddressTypeL |
|
914 // Parses network type and address type |
|
915 // ----------------------------------------------------------------------------- |
|
916 // |
|
917 void CSdpOriginField::ParseNetTypeAndAddressTypeL( |
|
918 RArray<TPtrC8>& aArray ) |
|
919 { |
|
920 if ( !SdpUtil::IsToken( aArray[KNetworkTypeIndex] ) || |
|
921 !SdpUtil::IsToken( aArray[KAddressTypeIndex] ) ) |
|
922 { |
|
923 User::Leave( KErrSdpCodecOriginField ); |
|
924 } |
|
925 |
|
926 iNetType = iPool.OpenFStringL( aArray[KNetworkTypeIndex] ); |
|
927 iAddressType = iPool.OpenFStringL( aArray[KAddressTypeIndex] ); |
|
928 } |
|
929 |
|
930 // ----------------------------------------------------------------------------- |
|
931 // CSdpOriginField::ParseAddressL |
|
932 // Parses address |
|
933 // ----------------------------------------------------------------------------- |
|
934 // |
|
935 void CSdpOriginField::ParseAddressL( |
|
936 RArray<TPtrC8>& aArray ) |
|
937 { |
|
938 if ( !IsValidAddress( aArray[KAddressIndex] ) ) |
|
939 { |
|
940 User::Leave( KErrSdpCodecOriginField ); |
|
941 } |
|
942 else |
|
943 { |
|
944 iAddress = aArray[KAddressIndex]; |
|
945 } |
|
946 |
|
947 // Check that address type and address matches together |
|
948 if ( !TypeMatchesWithFormat( |
|
949 aArray[KAddressIndex], aArray[KAddressTypeIndex], iPool ) ) |
|
950 { |
|
951 User::Leave( KErrSdpCodecOriginField ); |
|
952 } |
|
953 } |
|
954 |
|
955 // ----------------------------------------------------------------------------- |
|
956 // CSdpOriginField::OriginFieldPtrs |
|
957 // ----------------------------------------------------------------------------- |
|
958 // |
|
959 inline CSdpOriginFieldPtrs& CSdpOriginField::OriginFieldPtrs() |
|
960 { |
|
961 return *( reinterpret_cast< CSdpOriginFieldPtrs* >( iUserName ) ); |
|
962 } |
|
963 |
|
964 // ----------------------------------------------------------------------------- |
|
965 // CSdpOriginField::OriginFieldPtrs |
|
966 // ----------------------------------------------------------------------------- |
|
967 // |
|
968 inline const CSdpOriginFieldPtrs& CSdpOriginField::OriginFieldPtrs() const |
|
969 { |
|
970 return *( reinterpret_cast< CSdpOriginFieldPtrs* >( iUserName ) ); |
|
971 } |
|
972 |
|
973 // ----------------------------------------------------------------------------- |
|
974 // CSdpOriginField::Get63Msbs |
|
975 // Returns a maximum of 63 bits of information from the descriptor containing a |
|
976 // decimal number. |
|
977 // ----------------------------------------------------------------------------- |
|
978 // |
|
979 TInt64 CSdpOriginField::Get63Msbs( const TDesC8& aDecimalValue ) const |
|
980 { |
|
981 // The maximum amount of digits in a decimal number, that is guaranteed to |
|
982 // fit into 63 bits, is 18. Even if all the 18 digits are 9, the decimal |
|
983 // number is 999999999999999999. |
|
984 const TInt64 KMaxAmountOfDecimalDigits = 18; |
|
985 |
|
986 TInt64 value( 0 ); |
|
987 TPtrC8 msbPart = aDecimalValue.Left( KMaxAmountOfDecimalDigits ); |
|
988 TLex8( msbPart ).Val( value ); |
|
989 return value; |
|
990 } |
|
991 |
|
992 // ----------------------------------------------------------------------------- |
|
993 // CSdpOriginField::SetIPAddressType |
|
994 // ----------------------------------------------------------------------------- |
|
995 // |
|
996 void CSdpOriginField::SetIPAddressType( const TInetAddr& aAddr ) |
|
997 { |
|
998 iAddressType.Close(); |
|
999 if ( aAddr.Address() || aAddr.IsUnspecified() ) |
|
1000 { |
|
1001 //IPv4, IPv4-Mapped IPv6 and 0.0.0.0 |
|
1002 iAddressType = |
|
1003 iPool.StringF( SdpCodecStringConstants::EAddressTypeIP4, |
|
1004 SdpCodecStringConstants::Table ).Copy(); |
|
1005 } |
|
1006 else |
|
1007 { |
|
1008 //IPv6 |
|
1009 iAddressType = |
|
1010 iPool.StringF( SdpCodecStringConstants::EAddressType, |
|
1011 SdpCodecStringConstants::Table ).Copy(); |
|
1012 } |
|
1013 } |
|
1014 |
|
1015 // For DEBUG builds |
|
1016 |
|
1017 // ----------------------------------------------------------------------------- |
|
1018 // CSdpOriginField::__DbgTestInvariant |
|
1019 // Test invariant |
|
1020 // ----------------------------------------------------------------------------- |
|
1021 // |
|
1022 void CSdpOriginField::__DbgTestInvariant() const |
|
1023 { |
|
1024 TBool invariant = |
|
1025 iUserName != NULL |
|
1026 && SdpUtil::IsToken( iAddressType.DesC() ) |
|
1027 && SdpUtil::IsToken( iNetType.DesC() ) |
|
1028 && IsValidAddress( iAddress ) |
|
1029 && IsValidUserName( OriginFieldPtrs().UserName() ) |
|
1030 && TypeMatchesWithFormat(iAddress, iAddressType.DesC(), iPool) |
|
1031 && SdpUtil::IsNonWhitespace( OriginFieldPtrs().UserName() ); |
|
1032 |
|
1033 if ( !invariant ) |
|
1034 { |
|
1035 User::Invariant(); |
|
1036 } |
|
1037 } |
|
1038 |