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1 /* |
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2 * Copyright (c) 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: Class implementation for Sdp content parser. |
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15 * |
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16 */ |
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17 |
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18 #include <e32cmn.h> |
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19 #include <in_sock.h> |
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20 #include <sdpcodecstringpool.h> |
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21 #include <sdpcodecstringconstants.h> |
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22 #include <sdpdocument.h> |
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23 #include <sdpconnectionfield.h> |
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24 #include <sdpattributefield.h> |
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25 #include <sdpmediafield.h> |
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26 #include "natfwcandidate.h" |
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27 #include "natfwcredentials.h" |
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28 #include "nspcontentparser.h" |
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29 #include "nspdefs.h" |
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30 |
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31 const TInt KAttributesNumber = 7; |
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32 static const TText8* const AttributeArray[ KAttributesNumber ] = |
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33 { |
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34 _S8("candidate"), |
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35 _S8("remote-candidates"), |
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36 _S8("ice-lite"), |
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37 _S8("ice-passive"), |
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38 _S8("ice-ufrag"), |
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39 _S8("ice-pwd"), |
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40 _S8("ice-mismatch") |
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41 }; |
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42 const TInt KIceAttrCandidateIndex = 0; |
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43 const TInt KIceAttrRemoteCandidatesIndex = 1; |
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44 const TInt KIceAttrLiteIndex = 2; |
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45 const TInt KIceAttrPassiveIndex = 3; |
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46 const TInt KIceAttrUfragIndex = 4; |
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47 const TInt KIceAttrPwdIndex = 5; |
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48 const TInt KIceAttrMismatchIndex = 6; |
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49 |
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50 _LIT8( KAttrRtcp, "rtcp" ); |
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51 _LIT8( KAttrEmpty, " " ); |
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52 _LIT8( KFieldSeparator, " " ); |
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53 |
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54 const TInt KTypeAttrNumber = 9; |
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55 static const TText8* const CandidateTypeArray[ KTypeAttrNumber ] = |
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56 { |
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57 _S8( "typ" ), |
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58 _S8( "host" ), |
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59 _S8( "local" ), |
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60 _S8( "srflx" ), |
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61 _S8( "prflx" ), |
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62 _S8( "relay" ), |
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63 _S8( "tcp-so" ), |
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64 _S8( "tcp-act" ), |
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65 _S8( "tcp-pass" ) |
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66 }; |
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67 const TInt KTypeAttrIndexType = 0; |
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68 const TInt KTypeAttrIndexHost = 1; |
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69 const TInt KTypeAttrIndexLocal = 2; |
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70 const TInt KTypeAttrIndexServerReflex = 3; |
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71 const TInt KTypeAttrIndexPeerReflex = 4; |
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72 const TInt KTypeAttrIndexRelay = 5; |
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73 |
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74 const TUint KRejecPort = 0; |
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75 |
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76 const TInt KMaxCandidateLength = 200; // Max for candidate creation. |
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77 const TInt KMaxLengthNumberConversion = 40; // Priority field max length. |
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78 const TInt KMaxLengthTInetAddr = 40; // Must support IPv4/IPv6 |
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79 const TInt KMaxLengthOfFQDN = 255; // For FQDNs |
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80 const TInt KMaxLengthRtcpField = 60; // Max for rctp attr. value |
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81 |
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82 #define FINDFIELD_L( aField, aMediafield, aFieldarray ) \ |
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83 User::LeaveIfNull( aField = CNSPContentParser::FindMediaField( aMediafield, aFieldarray ) ) |
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84 |
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85 // ======== MEMBER FUNCTIONS ======== |
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86 // --------------------------------------------------------------------------- |
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87 // CNSPContentParser::CNSPContentParser |
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88 // --------------------------------------------------------------------------- |
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89 // |
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90 CNSPContentParser::CNSPContentParser() |
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91 { |
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92 } |
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93 |
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94 |
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95 // --------------------------------------------------------------------------- |
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96 // CNSPContentParser::ConstructL |
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97 // --------------------------------------------------------------------------- |
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98 // |
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99 void CNSPContentParser::ConstructL() |
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100 { |
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101 RStringPool pool = SdpCodecStringPool::StringPoolL(); |
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102 |
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103 // ICE attributes |
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104 iCandidate = pool.OpenFStringL( |
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105 TPtrC8( AttributeArray[ KIceAttrCandidateIndex ] ) ); |
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106 iRemoteCandidates = pool.OpenFStringL( |
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107 TPtrC8( AttributeArray[ KIceAttrRemoteCandidatesIndex ] ) ); |
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108 iLite = pool.OpenFStringL( |
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109 TPtrC8( AttributeArray[ KIceAttrLiteIndex ] ) ); |
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110 iPassive = pool.OpenFStringL( |
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111 TPtrC8( AttributeArray[ KIceAttrPassiveIndex ] ) ); |
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112 iUfrag = pool.OpenFStringL( |
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113 TPtrC8( AttributeArray[ KIceAttrUfragIndex ] ) ); |
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114 iPwd = pool.OpenFStringL( |
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115 TPtrC8( AttributeArray[ KIceAttrPwdIndex ] ) ); |
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116 iMismatch = pool.OpenFStringL( |
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117 TPtrC8( AttributeArray[ KIceAttrMismatchIndex ] ) ); |
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118 |
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119 // Other |
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120 iRTCP = pool.OpenFStringL( KAttrRtcp() ); |
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121 iUdp = pool.StringF( SdpCodecStringConstants::EProtocolUdp, |
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122 SdpCodecStringPool::StringTableL() ); |
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123 iTcp = pool.StringF( SdpCodecStringConstants::EProtocolTcp, |
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124 SdpCodecStringPool::StringTableL() ); |
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125 iIN = pool.StringF( SdpCodecStringConstants::ENetType, |
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126 SdpCodecStringPool::StringTableL() ); |
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127 iIPv4 = pool.StringF( SdpCodecStringConstants::EAddressTypeIP4, |
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128 SdpCodecStringPool::StringTableL() ); |
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129 iIPv6 = pool.StringF( SdpCodecStringConstants::EAddressType, |
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130 SdpCodecStringPool::StringTableL() ); |
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131 } |
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132 |
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133 |
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134 // --------------------------------------------------------------------------- |
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135 // CNSPContentParser::NewL |
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136 // --------------------------------------------------------------------------- |
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137 // |
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138 CNSPContentParser* CNSPContentParser::NewL() |
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139 { |
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140 CNSPContentParser* self = CNSPContentParser::NewLC(); |
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141 CleanupStack::Pop( self ); |
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142 return self; |
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143 } |
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144 |
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145 |
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146 // --------------------------------------------------------------------------- |
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147 // CNSPContentParser::NewLC |
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148 // --------------------------------------------------------------------------- |
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149 // |
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150 CNSPContentParser* CNSPContentParser::NewLC() |
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151 { |
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152 CNSPContentParser* self = new( ELeave ) CNSPContentParser; |
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153 CleanupStack::PushL( self ); |
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154 self->ConstructL(); |
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155 return self; |
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156 } |
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157 |
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158 |
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159 // --------------------------------------------------------------------------- |
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160 // CNSPContentParser::CNSPContentParser |
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161 // --------------------------------------------------------------------------- |
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162 // |
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163 CNSPContentParser::~CNSPContentParser() |
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164 { |
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165 iCandidate.Close(); |
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166 iRemoteCandidates.Close(); |
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167 iLite.Close(); |
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168 iPassive.Close(); |
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169 iUfrag.Close(); |
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170 iPwd.Close(); |
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171 iMismatch.Close(); |
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172 iRTCP.Close(); |
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173 iUdp.Close(); |
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174 iTcp.Close(); |
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175 iIN.Close(); |
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176 iIPv4.Close(); |
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177 iIPv6.Close(); |
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178 } |
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179 |
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180 |
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181 // --------------------------------------------------------------------------- |
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182 // CNSPContentParser::IsIceSupported |
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183 // --------------------------------------------------------------------------- |
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184 // |
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185 TBool CNSPContentParser::IsIceSupported( CSdpDocument& aDocument ) const |
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186 { |
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187 RPointerArray<CSdpMediaField>& mediafields = aDocument.MediaFields(); |
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188 |
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189 const TInt mediafieldcount( mediafields.Count() ); |
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190 for ( TInt index = 0; index < mediafieldcount; index++ ) |
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191 { |
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192 RPointerArray<CSdpAttributeField>& attributes = |
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193 mediafields[index]->AttributeFields(); |
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194 |
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195 const TInt attributecount( attributes.Count() ); |
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196 for ( TInt jndex = 0; jndex < attributecount; jndex++ ) |
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197 { |
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198 if ( iCandidate == attributes[jndex]->Attribute() ) |
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199 { |
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200 return ETrue; |
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201 } |
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202 } |
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203 } |
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204 |
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205 return EFalse; |
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206 } |
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207 |
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208 |
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209 // --------------------------------------------------------------------------- |
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210 // CNSPContentParser::IsMismatchL |
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211 // --------------------------------------------------------------------------- |
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212 // |
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213 TBool CNSPContentParser::IsMismatchL( CSdpDocument& aDocument ) const |
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214 { |
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215 const CSdpConnectionField* connField = aDocument.ConnectionField(); |
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216 const TDesC8& address = ( connField ? connField->Address() : KNullDesC8 ); |
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217 RPointerArray<CSdpMediaField>& mediafields = aDocument.MediaFields(); |
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218 |
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219 TBool mismatch( EFalse ); |
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220 const TInt mediafieldcount( mediafields.Count() ); |
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221 for ( TInt index = 0; index < mediafieldcount && !mismatch; index++ ) |
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222 { |
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223 const TDesC8& addr = CONN_ADDR( *mediafields[index], address ); |
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224 mismatch = IsMismatchAttribute( *mediafields[index] ); |
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225 |
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226 if ( !mismatch && IsMismatchL( *mediafields[index], addr ) ) |
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227 { |
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228 AddMismatchL( *mediafields[index] ); |
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229 mismatch = ETrue; |
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230 } |
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231 } |
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232 |
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233 return mismatch; |
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234 } |
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235 |
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236 |
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237 // --------------------------------------------------------------------------- |
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238 // CNSPContentParser::IsMismatchL |
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239 // --------------------------------------------------------------------------- |
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240 // |
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241 TBool CNSPContentParser::IsMismatchL( CSdpMediaField& aMediaField, |
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242 const TDesC8& aAddress ) const |
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243 { |
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244 const TDesC8& rtpAddr = CONN_ADDR( aMediaField, aAddress ); |
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245 const TUint rtpPort = aMediaField.Port(); |
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246 |
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247 RBuf8 rtcpAddr; |
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248 rtcpAddr.CreateL( KMaxLengthOfFQDN ); |
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249 rtcpAddr.CleanupClosePushL(); |
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250 rtcpAddr = rtpAddr; |
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251 TUint rtcpPort = rtpPort; |
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252 TBool isRtcp = FindRTCP( aMediaField, rtcpAddr, rtcpPort ); |
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253 |
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254 RPointerArray<CNATFWCandidate> remotecand; |
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255 CleanupStack::PushL( TCleanupItem( |
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256 CNSPContentParser::CleanupArrayItem, &remotecand ) ); |
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257 |
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258 GetCandidatesL( aMediaField, remotecand ); |
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259 |
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260 const TInt candidatecount( remotecand.Count() ); |
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261 TBool mismatch = ( candidatecount ? ETrue : EFalse ); |
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262 for ( TInt index = 0; index < candidatecount; index++ ) |
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263 { |
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264 const TDesC8& addr = remotecand[index]->TransportDomainAddr(); |
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265 const TUint port = remotecand[index]->TransportDomainPort(); |
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266 |
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267 if ( ( !rtpAddr.Compare( addr ) && port == rtpPort ) || |
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268 ( isRtcp && !rtcpAddr.Compare( addr ) && port == rtcpPort ) ) |
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269 { |
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270 mismatch = EFalse; |
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271 break; |
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272 } |
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273 } |
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274 |
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275 CleanupStack::PopAndDestroy( &remotecand ); |
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276 CleanupStack::PopAndDestroy( &rtcpAddr ); |
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277 |
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278 NSPLOG_INT( "CNSPContentParser::IsMismatchL, ret:", mismatch ) |
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279 return mismatch; |
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280 } |
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281 |
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282 |
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283 // --------------------------------------------------------------------------- |
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284 // CNSPContentParser::IsMismatchAttribute |
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285 // --------------------------------------------------------------------------- |
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286 // |
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287 TBool CNSPContentParser::IsMismatchAttribute( CSdpMediaField& aMediaField ) const |
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288 { |
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289 RPointerArray<CSdpAttributeField>& attributes = aMediaField.AttributeFields(); |
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290 |
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291 const TInt attributecount( attributes.Count() ); |
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292 for ( TInt index = 0; index < attributecount; index++ ) |
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293 { |
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294 if ( iMismatch == attributes[index]->Attribute() ) |
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295 { |
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296 return ETrue; |
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297 } |
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298 } |
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299 |
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300 return EFalse; |
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301 } |
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302 |
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303 |
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304 // --------------------------------------------------------------------------- |
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305 // CNSPContentParser::IsLiteAttribute |
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306 // --------------------------------------------------------------------------- |
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307 // |
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308 TBool CNSPContentParser::IsLiteAttribute( CSdpDocument& aDocument ) const |
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309 { |
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310 const RPointerArray<CSdpAttributeField>& attributes = |
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311 aDocument.AttributeFields(); |
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312 |
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313 const TInt attributecount( attributes.Count() ); |
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314 for ( TInt index = 0; index < attributecount; index++ ) |
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315 { |
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316 if ( iLite == attributes[index]->Attribute() ) |
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317 { |
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318 return ETrue; |
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319 } |
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320 } |
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321 |
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322 return EFalse; |
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323 } |
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324 |
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325 |
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326 // --------------------------------------------------------------------------- |
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327 // CNSPContentParser::FindRTCP |
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328 // --------------------------------------------------------------------------- |
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329 // |
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330 TBool CNSPContentParser::FindRTCP( CSdpMediaField& aMediaField, |
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331 TDes8& aAddress, TUint& aPort ) const |
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332 { |
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333 const RPointerArray<CSdpAttributeField>& attributes = |
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334 aMediaField.AttributeFields(); |
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335 |
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336 const TInt attributecount( attributes.Count() ); |
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337 for ( TInt index = 0; index < attributecount; index++ ) |
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338 { |
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339 if ( iRTCP == attributes[index]->Attribute() ) |
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340 { |
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341 TLex8 lexer( attributes[index]->Value() ); |
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342 |
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343 TUint port( KRejecPort ); |
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344 TRAPD( error, LexTDesC8ToTUintL( lexer.NextToken(), port ) ); |
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345 aPort = ( KErrNone == error ? port : aPort ); |
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346 |
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347 if ( KErrNone == error && !lexer.Eos() ) |
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348 { |
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349 lexer.NextToken(); // nettype, not needed |
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350 lexer.NextToken(); // addresstype, not needed |
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351 aAddress = lexer.NextToken(); |
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352 } |
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353 |
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354 return ETrue; |
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355 } |
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356 } |
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357 |
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358 return EFalse; |
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359 } |
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360 |
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361 |
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362 // --------------------------------------------------------------------------- |
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363 // CNSPContentParser::ModifyRTCPL |
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364 // --------------------------------------------------------------------------- |
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365 // |
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366 void CNSPContentParser::ModifyRTCPL( CSdpMediaField& aMediaField, |
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367 const TDesC8& aAddress, TUint aPort ) const |
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368 { |
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369 TInetAddr address; |
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370 CSdpAttributeField* attr = NULL; |
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371 const RPointerArray<CSdpAttributeField>& attributes = |
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372 aMediaField.AttributeFields(); |
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373 |
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374 const TInt attributecount( attributes.Count() ); |
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375 for ( TInt index = 0; index < attributecount; index++ ) |
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376 { |
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377 attr = attributes[index]; |
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378 |
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379 if ( iRTCP == attr->Attribute() ) |
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380 { |
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381 HBufC8* newattribute = HBufC8::NewLC( KMaxLengthRtcpField ); |
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382 TPtr8 ptr( newattribute->Des() ); |
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383 |
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384 AppendNumToTDes8L( ptr, aPort ); |
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385 AppendTDesC8ToTDes8L( ptr, iIN.DesC() ); |
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386 InputTDesC8ToTInetAddrL( aAddress, address ); |
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387 AppendTDesC8ToTDes8L( ptr, KAfInet == address.Family() ? |
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388 iIPv4.DesC() : iIPv6.DesC() ); |
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389 AppendTDesC8ToTDes8L( ptr, aAddress, EFalse ); |
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390 |
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391 attr->SetL( attr->Attribute(), newattribute->Des() ); |
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392 CleanupStack::PopAndDestroy( newattribute ); |
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393 break; |
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394 } |
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395 } |
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396 } |
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397 |
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398 |
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399 // --------------------------------------------------------------------------- |
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400 // CNSPContentParser::AddLiteL |
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401 // --------------------------------------------------------------------------- |
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402 // |
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403 void CNSPContentParser::AddLiteL( CSdpDocument& aDocument ) const |
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404 { |
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405 CSdpAttributeField* attr = CSdpAttributeField::NewLC( iLite, KNullDesC8 ); |
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406 User::LeaveIfError( aDocument.AttributeFields().Append( attr ) ); |
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407 CleanupStack::Pop( attr ); |
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408 } |
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409 |
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410 |
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411 // --------------------------------------------------------------------------- |
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412 // CNSPContentParser::AddMismatchL |
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413 // --------------------------------------------------------------------------- |
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414 // |
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415 void CNSPContentParser::AddMismatchL( CSdpDocument& aMismatch, |
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416 CSdpDocument& aMismatched ) const |
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417 { |
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418 CSdpMediaField* field = NULL; |
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419 RPointerArray<CSdpMediaField>& mismatchmedia = aMismatch.MediaFields(); |
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420 RPointerArray<CSdpMediaField>& mismatchedmedia = aMismatched.MediaFields(); |
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421 |
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422 const TInt mediacount( mismatchmedia.Count() ); |
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423 for ( TInt index = 0; index < mediacount; index++ ) |
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424 { |
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425 if ( IsMismatchAttribute( *mismatchmedia[index] ) ) |
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426 { |
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427 FINDFIELD_L( field, *mismatchmedia[index], mismatchedmedia ); |
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428 AddMismatchL( *field ); |
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429 RemoveIceContent( *mismatchmedia[index] ); |
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430 } |
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431 } |
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432 } |
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433 |
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434 |
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435 // --------------------------------------------------------------------------- |
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436 // CNSPContentParser::AddMismatchL |
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437 // --------------------------------------------------------------------------- |
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438 // |
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439 void CNSPContentParser::AddMismatchL( CSdpMediaField& aMediaField ) const |
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440 { |
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441 CSdpAttributeField* attr = CSdpAttributeField::NewLC( iMismatch, KNullDesC8 ); |
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442 User::LeaveIfError( aMediaField.AttributeFields().Append( attr ) ); |
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443 CleanupStack::Pop( attr ); |
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444 } |
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445 |
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446 |
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447 // --------------------------------------------------------------------------- |
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448 // CNSPContentParser::AddCandidatesL |
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449 // --------------------------------------------------------------------------- |
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450 // |
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451 void CNSPContentParser::AddCandidatesL( CSdpMediaField& aMediaField, |
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452 const RPointerArray<CNATFWCandidate>& aCandidates ) const |
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453 { |
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454 CSdpAttributeField* attr = NULL; |
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455 RPointerArray<CSdpAttributeField>& attributeArray = |
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456 aMediaField.AttributeFields(); |
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457 |
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458 const TInt candidatecount( aCandidates.Count() ); |
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459 for ( TInt index = 0; index < candidatecount; index++ ) |
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460 { |
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461 TRAPD( error, attr = EncodeCandidateLineL( *aCandidates[index] ) ) |
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462 User::LeaveIfError( KErrNone == error ? |
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463 attributeArray.Append( attr ) : error ); |
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464 } |
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465 } |
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466 |
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467 |
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468 // --------------------------------------------------------------------------- |
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469 // CNSPContentParser::AddRemoteCandidatesL |
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470 // --------------------------------------------------------------------------- |
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471 // |
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472 void CNSPContentParser::AddRemoteCandidatesL( CSdpMediaField& aMediaField, |
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473 const RPointerArray<CNATFWCandidate>& aCandidates ) const |
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474 { |
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475 RPointerArray<CSdpAttributeField>& attributeArray = |
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476 aMediaField.AttributeFields(); |
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477 |
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478 CSdpAttributeField* attribute = EncodeRemoteCandidatesL( aCandidates ); |
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479 CleanupStack::PushL( attribute ); |
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480 User::LeaveIfError( attributeArray.Append( attribute ) ); |
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481 CleanupStack::Pop( attribute ); |
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482 } |
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483 |
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484 |
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485 // --------------------------------------------------------------------------- |
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486 // CNSPContentParser::AddCredentialsL |
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487 // --------------------------------------------------------------------------- |
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488 // |
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489 void CNSPContentParser::AddCredentialsL( CSdpMediaField& aMediaField, |
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490 const CNATFWCredentials& aCredentials ) const |
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491 { |
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492 RPointerArray<CSdpAttributeField>& attributeArray = |
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493 aMediaField.AttributeFields(); |
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494 |
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495 CSdpAttributeField* user = EncodeUfragL( aCredentials ); |
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496 CleanupStack::PushL( user ); |
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497 User::LeaveIfError( attributeArray.Append( user ) ); |
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498 CleanupStack::Pop( user ); |
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499 |
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500 CSdpAttributeField* pwd = EncodePwdL( aCredentials ); |
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501 CleanupStack::PushL( pwd ); |
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502 User::LeaveIfError( attributeArray.Append( pwd ) ); |
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503 CleanupStack::Pop( pwd ); |
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504 } |
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505 |
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506 |
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507 // --------------------------------------------------------------------------- |
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508 // CNSPContentParser::AddCredentialsL |
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509 // --------------------------------------------------------------------------- |
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510 // |
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511 void CNSPContentParser::AddCredentialsL( CSdpDocument& aDocument, |
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512 const CNATFWCredentials& aCredentials ) const |
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513 { |
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514 RPointerArray<CSdpAttributeField>& attributeArray = |
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515 aDocument.AttributeFields(); |
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516 |
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517 CSdpAttributeField* user = EncodeUfragL( aCredentials ); |
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518 CleanupStack::PushL( user ); |
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519 User::LeaveIfError( attributeArray.Append( user ) ); |
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520 CleanupStack::Pop( user ); |
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521 |
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522 CSdpAttributeField* pwd = EncodePwdL( aCredentials ); |
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523 CleanupStack::PushL( pwd ); |
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524 User::LeaveIfError( attributeArray.Append( pwd ) ); |
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525 CleanupStack::Pop( pwd ); |
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526 } |
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527 |
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528 |
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529 // --------------------------------------------------------------------------- |
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530 // CNSPContentParser::GetCandidatesL |
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531 // --------------------------------------------------------------------------- |
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532 // |
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533 TInt CNSPContentParser::GetCandidatesL( CSdpMediaField& aMediaField, |
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534 RPointerArray<CNATFWCandidate>& aCandidates ) const |
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535 { |
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536 TInt warning = KErrNone; |
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537 CNATFWCandidate* cand = NULL; |
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538 const RPointerArray<CSdpAttributeField>& attrArray = |
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539 aMediaField.AttributeFields(); |
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540 |
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541 const TInt attributecount( attrArray.Count() ); |
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542 for ( TInt index = 0; index < attributecount; index++ ) |
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543 { |
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544 if ( iCandidate == attrArray[index]->Attribute() ) |
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545 { |
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546 cand = CNATFWCandidate::NewLC(); |
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547 |
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548 TRAPD( error, DecodeCandidateLineL( *attrArray[index], *cand ) ); |
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549 |
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550 if ( KErrNone == error ) |
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551 { |
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552 User::LeaveIfError( aCandidates.Append( cand ) ); |
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553 CleanupStack::Pop( cand ); |
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554 } |
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555 else if ( KErrNoMemory == error ) |
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556 { |
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557 User::Leave( KErrNoMemory ); |
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558 } |
|
559 else |
|
560 { |
|
561 warning = error; |
|
562 CleanupStack::PopAndDestroy( cand ); |
|
563 } |
|
564 } |
|
565 } |
|
566 |
|
567 return warning; |
|
568 } |
|
569 |
|
570 |
|
571 // --------------------------------------------------------------------------- |
|
572 // CNSPContentParser::GetRemoteCandidatesL |
|
573 // --------------------------------------------------------------------------- |
|
574 // |
|
575 TInt CNSPContentParser::GetRemoteCandidatesL( CSdpDocument& aDocument, |
|
576 RPointerArray<CNATFWCandidate>& aRemoteCands ) const |
|
577 { |
|
578 const RPointerArray<CSdpMediaField>& mediafieldArray = |
|
579 aDocument.MediaFields(); |
|
580 |
|
581 const TInt mediafieldcount( mediafieldArray.Count() ); |
|
582 for ( TInt index = 0; index < mediafieldcount; index++ ) |
|
583 { |
|
584 GetRemoteCandidatesL( *mediafieldArray[index], aRemoteCands ); |
|
585 } |
|
586 |
|
587 return KErrNone; |
|
588 } |
|
589 |
|
590 |
|
591 // --------------------------------------------------------------------------- |
|
592 // CNSPContentParser::GetRemoteCandidatesL |
|
593 // --------------------------------------------------------------------------- |
|
594 // |
|
595 TInt CNSPContentParser::GetRemoteCandidatesL( CSdpMediaField& aMediaField, |
|
596 RPointerArray<CNATFWCandidate>& aRemoteCands ) const |
|
597 { |
|
598 const RPointerArray<CSdpAttributeField>& attributeArray = |
|
599 aMediaField.AttributeFields(); |
|
600 |
|
601 const TInt attributecount( attributeArray.Count() ); |
|
602 for ( TInt index = 0; index < attributecount; index++ ) |
|
603 { |
|
604 if ( iRemoteCandidates == attributeArray[index]->Attribute() ) |
|
605 { |
|
606 DecodeRemoteCandidatesL( attributeArray[index]->Value(), |
|
607 aRemoteCands ); |
|
608 } |
|
609 } |
|
610 |
|
611 return KErrNone; |
|
612 } |
|
613 |
|
614 |
|
615 // --------------------------------------------------------------------------- |
|
616 // CNSPContentParser::GetCredentialsL |
|
617 // --------------------------------------------------------------------------- |
|
618 // |
|
619 TInt CNSPContentParser::GetCredentialsL( CSdpMediaField& aMediaField, |
|
620 CNATFWCredentials& aCredentials ) const |
|
621 { |
|
622 const RPointerArray<CSdpAttributeField>& attributeArray = |
|
623 aMediaField.AttributeFields(); |
|
624 |
|
625 const TInt attributecount( attributeArray.Count() ); |
|
626 for ( TInt index = 0; index < attributecount; index++ ) |
|
627 { |
|
628 if ( iUfrag == attributeArray[index]->Attribute() ) |
|
629 { |
|
630 DecodeUfragL( *attributeArray[index], aCredentials ); |
|
631 } |
|
632 else if ( iPwd == attributeArray[index]->Attribute() ) |
|
633 { |
|
634 DecodePwdL( *attributeArray[index], aCredentials ); |
|
635 } |
|
636 else |
|
637 { |
|
638 // Nothing to do here |
|
639 } |
|
640 } |
|
641 |
|
642 return KErrNone; |
|
643 } |
|
644 |
|
645 |
|
646 // --------------------------------------------------------------------------- |
|
647 // CNSPContentParser::GetCredentialsL |
|
648 // --------------------------------------------------------------------------- |
|
649 // |
|
650 TInt CNSPContentParser::GetCredentialsL( CSdpDocument& aDocument, |
|
651 CNATFWCredentials& aCredentials ) const |
|
652 { |
|
653 const RPointerArray<CSdpAttributeField>& attributeArray = |
|
654 aDocument.AttributeFields(); |
|
655 |
|
656 const TInt attributecount( attributeArray.Count() ); |
|
657 for ( TInt index = 0; index < attributecount; index++ ) |
|
658 { |
|
659 if ( iUfrag == attributeArray[index]->Attribute() ) |
|
660 { |
|
661 DecodeUfragL( *attributeArray[index], aCredentials ); |
|
662 } |
|
663 else if ( iPwd == attributeArray[index]->Attribute() ) |
|
664 { |
|
665 DecodePwdL( *attributeArray[index], aCredentials ); |
|
666 } |
|
667 else |
|
668 { |
|
669 // Nothing to do here |
|
670 } |
|
671 } |
|
672 |
|
673 return KErrNone; |
|
674 } |
|
675 |
|
676 |
|
677 // --------------------------------------------------------------------------- |
|
678 // CNSPContentParser::RemoveIceContent |
|
679 // --------------------------------------------------------------------------- |
|
680 // |
|
681 void CNSPContentParser::RemoveIceContent( CSdpDocument& aDocument ) const |
|
682 { |
|
683 RPointerArray<CSdpAttributeField>& attributes = aDocument.AttributeFields(); |
|
684 |
|
685 for ( TInt index = 0; index < attributes.Count() ; ) |
|
686 { |
|
687 RStringF attribute = attributes[index]->Attribute(); |
|
688 |
|
689 if ( iCandidate == attribute || |
|
690 iRemoteCandidates == attribute || |
|
691 iLite == attribute || |
|
692 iPassive == attribute || |
|
693 iUfrag == attribute || |
|
694 iPwd == attribute || |
|
695 iMismatch == attribute ) |
|
696 { |
|
697 delete ( attributes[index] ); |
|
698 attributes.Remove( index ); |
|
699 attributes.Compress(); |
|
700 } |
|
701 else |
|
702 { |
|
703 index++; |
|
704 } |
|
705 } |
|
706 |
|
707 RPointerArray<CSdpMediaField>& mediafields = aDocument.MediaFields(); |
|
708 |
|
709 const TInt mediafieldcount( mediafields.Count() ); |
|
710 for ( TInt index = 0; index < mediafieldcount ; index++ ) |
|
711 { |
|
712 RemoveIceContent( *mediafields[index] ); |
|
713 } |
|
714 } |
|
715 |
|
716 |
|
717 // --------------------------------------------------------------------------- |
|
718 // CNSPContentParser::RemoveIceContent |
|
719 // --------------------------------------------------------------------------- |
|
720 // |
|
721 void CNSPContentParser::RemoveIceContent( CSdpMediaField& aMediaField ) const |
|
722 { |
|
723 RPointerArray<CSdpAttributeField>& attributes = aMediaField.AttributeFields(); |
|
724 |
|
725 for ( TInt index = 0; index < attributes.Count() ; ) |
|
726 { |
|
727 RStringF attribute = attributes[index]->Attribute(); |
|
728 |
|
729 if ( iCandidate == attribute || |
|
730 iRemoteCandidates == attribute || |
|
731 iLite == attribute || |
|
732 iPassive == attribute || |
|
733 iUfrag == attribute || |
|
734 iPwd == attribute || |
|
735 iMismatch == attribute ) |
|
736 { |
|
737 delete ( attributes[index] ); |
|
738 attributes.Remove( index ); |
|
739 attributes.Compress(); |
|
740 } |
|
741 else |
|
742 { |
|
743 index++; |
|
744 } |
|
745 } |
|
746 } |
|
747 |
|
748 |
|
749 // --------------------------------------------------------------------------- |
|
750 // CNSPContentParser::EncodeCandidateLineL |
|
751 // --------------------------------------------------------------------------- |
|
752 // |
|
753 CSdpAttributeField* CNSPContentParser::EncodeCandidateLineL( |
|
754 const CNATFWCandidate& aCandidate ) const |
|
755 { |
|
756 HBufC8* content = HBufC8::NewLC( KMaxCandidateLength ); |
|
757 TPtr8 ptr( content->Des() ); |
|
758 |
|
759 // 1. Foundation |
|
760 AppendTDesC8ToTDes8L( ptr, aCandidate.Foundation() ); |
|
761 |
|
762 // 2. Component Id |
|
763 AppendNumToTDes8L( ptr, aCandidate.ComponentId() ); |
|
764 |
|
765 // 3. Protocol |
|
766 AppendProtocolToTDes8L( ptr, aCandidate.TransportProtocol() ); |
|
767 |
|
768 // 4. Priority |
|
769 AppendNumToTDes8L( ptr, aCandidate.Priority() ); |
|
770 |
|
771 // 5. IP address & Port |
|
772 AppendTDesC8ToTDes8L( ptr, aCandidate.TransportDomainAddr() ); |
|
773 AppendNumToTDes8L( ptr, aCandidate.TransportDomainPort() ); |
|
774 |
|
775 // 6. Type |
|
776 AppendTypeToTDes8L( ptr, aCandidate.Type(), EFalse ); |
|
777 |
|
778 // 7. Optional information, i.e. related address and etc. |
|
779 |
|
780 CSdpAttributeField* attribute = CSdpAttributeField::NewL( iCandidate, *content ); |
|
781 CleanupStack::PopAndDestroy( content ); |
|
782 |
|
783 return attribute; |
|
784 } |
|
785 |
|
786 |
|
787 // --------------------------------------------------------------------------- |
|
788 // CNSPContentParser::DecodeCandidateLineL |
|
789 // --------------------------------------------------------------------------- |
|
790 // |
|
791 void CNSPContentParser::DecodeCandidateLineL( |
|
792 const CSdpAttributeField& aAttribute, CNATFWCandidate& aCandidate ) const |
|
793 { |
|
794 TLex8 lex( aAttribute.Value() ); |
|
795 TUint unsignedInteger( 0 ); |
|
796 |
|
797 // 1. Foundation( char(s) ) |
|
798 aCandidate.SetFoundationL( lex.NextToken() ); |
|
799 |
|
800 // 2. Component Id( single digit ) |
|
801 LexTDesC8ToTUintL( lex.NextToken(), unsignedInteger ); |
|
802 aCandidate.SetComponentId( unsignedInteger ); |
|
803 |
|
804 // 3. Protocol( string: UDP, TCP ) |
|
805 TUint protocol( KProtocolInetUdp ); |
|
806 SolveTransportProtocolL( lex.NextToken(), protocol ); |
|
807 aCandidate.SetTransportProtocol( protocol ); |
|
808 |
|
809 // 4. Priority( multiple digits, positive large integer ) |
|
810 LexTDesC8ToTUintL( lex.NextToken(), unsignedInteger ); |
|
811 aCandidate.SetPriority( unsignedInteger ); |
|
812 |
|
813 // 5. IP address & Port |
|
814 TPtrC8 address = lex.NextToken(); |
|
815 LexTDesC8ToTUintL( lex.NextToken(), unsignedInteger ); |
|
816 aCandidate.SetTransportDomainAddrL( address, unsignedInteger ); |
|
817 |
|
818 // 6. Type( typ "value" ) |
|
819 CNATFWCandidate::TCandidateType type; |
|
820 TPtrC8 typ = lex.NextToken(); |
|
821 TPtrC8 value = lex.NextToken(); |
|
822 SolveCandidateTypeL( typ, value, type ); |
|
823 aCandidate.SetType( type ); |
|
824 |
|
825 // 7. Optional information, i.e. related address and etc. |
|
826 } |
|
827 |
|
828 |
|
829 // --------------------------------------------------------------------------- |
|
830 // CNSPContentParser::EncodeRemoteCandidatesL |
|
831 // --------------------------------------------------------------------------- |
|
832 // |
|
833 CSdpAttributeField* CNSPContentParser::EncodeRemoteCandidatesL( |
|
834 const RPointerArray<CNATFWCandidate>& aCandidates ) const |
|
835 { |
|
836 HBufC8* content = HBufC8::NewLC( KMaxCandidateLength ); |
|
837 TPtr8 ptr( content->Des() ); |
|
838 |
|
839 const TInt remotecandidatecount( aCandidates.Count() ); |
|
840 for ( TInt index = 0; index < remotecandidatecount; index++ ) |
|
841 { |
|
842 EncodeRemoteCandidateL( ptr, *aCandidates[index] ); |
|
843 } |
|
844 |
|
845 CSdpAttributeField* attribute = CSdpAttributeField::NewL( |
|
846 iRemoteCandidates, *content ); |
|
847 CleanupStack::PopAndDestroy( content ); |
|
848 return attribute; |
|
849 } |
|
850 |
|
851 |
|
852 // --------------------------------------------------------------------------- |
|
853 // CNSPContentParser::EncodeRemoteCandidatesL |
|
854 // --------------------------------------------------------------------------- |
|
855 // |
|
856 void CNSPContentParser::EncodeRemoteCandidateL( TDes8& aBuffer, |
|
857 const CNATFWCandidate& aCandidate ) const |
|
858 { |
|
859 // 1. Component Id( single digit ) |
|
860 AppendNumToTDes8L( aBuffer, aCandidate.ComponentId() ); |
|
861 |
|
862 // 2. IP address & Port |
|
863 AppendTDesC8ToTDes8L( aBuffer, aCandidate.TransportDomainAddr() ); |
|
864 AppendNumToTDes8L( aBuffer, aCandidate.TransportDomainPort() ); |
|
865 } |
|
866 |
|
867 |
|
868 // --------------------------------------------------------------------------- |
|
869 // CNSPContentParser::DecodeRemoteCandidatesL |
|
870 // --------------------------------------------------------------------------- |
|
871 // |
|
872 void CNSPContentParser::DecodeRemoteCandidatesL( const TDesC8& aValue, |
|
873 RPointerArray<CNATFWCandidate>& aCandidates ) const |
|
874 { |
|
875 TLex8 lex( aValue ); |
|
876 TUint unsignedInteger( 0 ); |
|
877 |
|
878 CNATFWCandidate* candidate = CNATFWCandidate::NewLC(); |
|
879 |
|
880 // 1. Component Id( single digit ) |
|
881 LexTDesC8ToTUintL( lex.NextToken(), unsignedInteger ); |
|
882 candidate->SetComponentId( unsignedInteger ); |
|
883 |
|
884 // 2. IP address & Port |
|
885 const TPtrC8 address = lex.NextToken(); |
|
886 LexTDesC8ToTUintL( lex.NextToken(), unsignedInteger ); |
|
887 candidate->SetTransportDomainAddrL( address, unsignedInteger ); |
|
888 |
|
889 User::LeaveIfError( aCandidates.Append( candidate ) ); |
|
890 CleanupStack::Pop( candidate ); |
|
891 |
|
892 if ( !lex.Eos() ) |
|
893 { |
|
894 DecodeRemoteCandidatesL( lex.Remainder(), aCandidates ); |
|
895 } |
|
896 } |
|
897 |
|
898 |
|
899 // --------------------------------------------------------------------------- |
|
900 // CNSPContentParser::EncodeUfragL |
|
901 // --------------------------------------------------------------------------- |
|
902 // |
|
903 CSdpAttributeField* CNSPContentParser::EncodeUfragL( |
|
904 const CNATFWCredentials& aCredentials ) const |
|
905 { |
|
906 CSdpAttributeField* attribute = NULL; |
|
907 const TDesC8& username = aCredentials.Username(); |
|
908 |
|
909 if ( !username.Length() ) |
|
910 { |
|
911 attribute = CSdpAttributeField::NewL( iUfrag, KAttrEmpty ); |
|
912 } |
|
913 else |
|
914 { |
|
915 attribute = CSdpAttributeField::NewL( iUfrag, username ); |
|
916 } |
|
917 |
|
918 return attribute; |
|
919 } |
|
920 |
|
921 |
|
922 // --------------------------------------------------------------------------- |
|
923 // CNSPContentParser::DecodeUfragL |
|
924 // --------------------------------------------------------------------------- |
|
925 // |
|
926 void CNSPContentParser::DecodeUfragL( const CSdpAttributeField& aAttribute, |
|
927 CNATFWCredentials& aCredentials ) const |
|
928 { |
|
929 aCredentials.SetUsernameL( aAttribute.Value() ); |
|
930 } |
|
931 |
|
932 |
|
933 // --------------------------------------------------------------------------- |
|
934 // CNSPContentParser::EncodePwdL |
|
935 // --------------------------------------------------------------------------- |
|
936 // |
|
937 CSdpAttributeField* CNSPContentParser::EncodePwdL( |
|
938 const CNATFWCredentials& aCredentials ) const |
|
939 { |
|
940 CSdpAttributeField* attribute = NULL; |
|
941 const TDesC8& password = aCredentials.Password(); |
|
942 |
|
943 if ( !password.Length() ) |
|
944 { |
|
945 attribute = CSdpAttributeField::NewL( iPwd, KAttrEmpty ); |
|
946 } |
|
947 else |
|
948 { |
|
949 attribute = CSdpAttributeField::NewL( iPwd, password ); |
|
950 } |
|
951 |
|
952 return attribute; |
|
953 } |
|
954 |
|
955 |
|
956 // --------------------------------------------------------------------------- |
|
957 // CNSPContentParser::DecodePwdL |
|
958 // --------------------------------------------------------------------------- |
|
959 // |
|
960 void CNSPContentParser::DecodePwdL( const CSdpAttributeField& aAttribute, |
|
961 CNATFWCredentials& aCredentials ) const |
|
962 { |
|
963 aCredentials.SetPasswordL( aAttribute.Value() ); |
|
964 } |
|
965 |
|
966 |
|
967 // --------------------------------------------------------------------------- |
|
968 // CNSPContentParser::LexTDesC8ToTUintL |
|
969 // --------------------------------------------------------------------------- |
|
970 // |
|
971 void CNSPContentParser::LexTDesC8ToTUintL( const TDesC8& aDesC8, |
|
972 TUint& aUint ) const |
|
973 { |
|
974 TLex8 lex8( aDesC8 ); |
|
975 User::LeaveIfError( lex8.Val( aUint, EDecimal ) ); |
|
976 } |
|
977 |
|
978 |
|
979 // --------------------------------------------------------------------------- |
|
980 // CNSPContentParser::SolveTransportProtocolL |
|
981 // --------------------------------------------------------------------------- |
|
982 // |
|
983 void CNSPContentParser::SolveTransportProtocolL( const TDesC8& aDesC8, |
|
984 TUint& aProto ) const |
|
985 { |
|
986 if ( !aDesC8.CompareF( iUdp.DesC() ) ) |
|
987 { |
|
988 aProto = KProtocolInetUdp; |
|
989 } |
|
990 else if ( !aDesC8.CompareF( iTcp.DesC() ) ) |
|
991 { |
|
992 aProto = KProtocolInetTcp; |
|
993 } |
|
994 else |
|
995 { |
|
996 User::Leave( KErrArgument ); |
|
997 } |
|
998 } |
|
999 |
|
1000 |
|
1001 // --------------------------------------------------------------------------- |
|
1002 // CNSPContentParser::InputTDesC8ToTInetAddrL |
|
1003 // --------------------------------------------------------------------------- |
|
1004 // |
|
1005 void CNSPContentParser::InputTDesC8ToTInetAddrL( const TDesC8& aDesC8, |
|
1006 TInetAddr& aAddress ) const |
|
1007 { |
|
1008 HBufC* buffer = HBufC::NewLC( aDesC8.Length() ); |
|
1009 TPtr ptr( buffer->Des() ); |
|
1010 ptr.Copy( aDesC8 ); |
|
1011 User::LeaveIfError( aAddress.Input( buffer->Des() ) ); |
|
1012 CleanupStack::PopAndDestroy( buffer ); |
|
1013 } |
|
1014 |
|
1015 |
|
1016 // --------------------------------------------------------------------------- |
|
1017 // CNSPContentParser::SolveCandidateTypeL |
|
1018 // --------------------------------------------------------------------------- |
|
1019 // |
|
1020 void CNSPContentParser::SolveCandidateTypeL( const TDesC8& aDesC8Typ, |
|
1021 const TDesC8& aDesC8Value, CNATFWCandidate::TCandidateType& aType ) const |
|
1022 { |
|
1023 TPtrC8 type( CandidateTypeArray[ KTypeAttrIndexType ] ); |
|
1024 User::LeaveIfError( !aDesC8Typ.CompareF( type ) ); |
|
1025 |
|
1026 const TInt candidatetypeindex = FindCandidateType( aDesC8Value ); |
|
1027 |
|
1028 if ( KErrNotFound == candidatetypeindex ) |
|
1029 { |
|
1030 NSPLOG_STR( |
|
1031 "CNSPContentParser::SolveCandidateTypeL(),KErrNotFound" ) |
|
1032 User::Leave( KErrArgument ); |
|
1033 } |
|
1034 |
|
1035 switch ( candidatetypeindex ) |
|
1036 { |
|
1037 case KTypeAttrIndexHost: |
|
1038 case KTypeAttrIndexLocal: |
|
1039 { |
|
1040 aType = CNATFWCandidate::EHost; |
|
1041 break; |
|
1042 } |
|
1043 |
|
1044 case KTypeAttrIndexServerReflex: |
|
1045 { |
|
1046 aType = CNATFWCandidate::EServerReflexive; |
|
1047 break; |
|
1048 } |
|
1049 |
|
1050 case KTypeAttrIndexPeerReflex: |
|
1051 { |
|
1052 aType = CNATFWCandidate::EPeerReflexive; |
|
1053 break; |
|
1054 } |
|
1055 |
|
1056 case KTypeAttrIndexRelay: |
|
1057 { |
|
1058 aType = CNATFWCandidate::ERelay; |
|
1059 break; |
|
1060 } |
|
1061 |
|
1062 default: |
|
1063 { |
|
1064 NSPLOG_STR( |
|
1065 "CNSPContentParser::SolveCandidateTypeL(),default!" ) |
|
1066 User::Leave( KErrArgument ); // should never come here |
|
1067 break; |
|
1068 } |
|
1069 } |
|
1070 } |
|
1071 |
|
1072 |
|
1073 // --------------------------------------------------------------------------- |
|
1074 // CNSPContentParser::FindCandidateType |
|
1075 // --------------------------------------------------------------------------- |
|
1076 // |
|
1077 TInt CNSPContentParser::FindCandidateType( const TDesC8& aDesC8Value ) const |
|
1078 { |
|
1079 for ( TInt index = 0; index < KTypeAttrNumber; index++ ) |
|
1080 { |
|
1081 if ( !aDesC8Value.CompareF( TPtrC8( CandidateTypeArray[index] ) ) ) |
|
1082 { |
|
1083 return index; |
|
1084 } |
|
1085 } |
|
1086 |
|
1087 return KErrNotFound; |
|
1088 } |
|
1089 |
|
1090 |
|
1091 // --------------------------------------------------------------------------- |
|
1092 // CNSPContentParser::FindCandidateType |
|
1093 // --------------------------------------------------------------------------- |
|
1094 // |
|
1095 TInt CNSPContentParser::FindCandidateTypeString( |
|
1096 const CNATFWCandidate::TCandidateType& aType ) const |
|
1097 { |
|
1098 switch ( aType ) |
|
1099 { |
|
1100 case CNATFWCandidate::EHost: |
|
1101 { |
|
1102 return KTypeAttrIndexHost; |
|
1103 } |
|
1104 |
|
1105 case CNATFWCandidate::EServerReflexive: |
|
1106 { |
|
1107 return KTypeAttrIndexServerReflex; |
|
1108 } |
|
1109 |
|
1110 case CNATFWCandidate::EPeerReflexive: |
|
1111 { |
|
1112 return KTypeAttrIndexPeerReflex; |
|
1113 } |
|
1114 |
|
1115 case CNATFWCandidate::ERelay: |
|
1116 { |
|
1117 return KTypeAttrIndexRelay; |
|
1118 } |
|
1119 |
|
1120 default: |
|
1121 { |
|
1122 return KErrNotFound; |
|
1123 } |
|
1124 } |
|
1125 } |
|
1126 |
|
1127 |
|
1128 // --------------------------------------------------------------------------- |
|
1129 // CNSPContentParser::AppendTDesC8ToTDes8L |
|
1130 // --------------------------------------------------------------------------- |
|
1131 // |
|
1132 void CNSPContentParser::AppendTDesC8ToTDes8L( TDes8& aDes8, |
|
1133 const TDesC8& aDesC8, TBool aAddFieldSeparator ) const |
|
1134 { |
|
1135 LeaveIfTooLongL( aDes8, aDesC8.Length() ); |
|
1136 aDes8.Append( aDesC8 ); |
|
1137 |
|
1138 if ( aAddFieldSeparator ) |
|
1139 { |
|
1140 LeaveIfTooLongL( aDes8, 1 ); |
|
1141 aDes8.Append( KFieldSeparator ); |
|
1142 } |
|
1143 } |
|
1144 |
|
1145 |
|
1146 // --------------------------------------------------------------------------- |
|
1147 // CNSPContentParser::AppendNumToTDes8L |
|
1148 // --------------------------------------------------------------------------- |
|
1149 // |
|
1150 void CNSPContentParser::AppendNumToTDes8L( TDes8& aDes8, |
|
1151 TUint aNumber, TBool aAddFieldSeparator ) const |
|
1152 { |
|
1153 TBuf< KMaxLengthNumberConversion > buffer; |
|
1154 buffer.AppendNum( aNumber, EDecimal ); |
|
1155 LeaveIfTooLongL( aDes8, buffer.Length() ); |
|
1156 aDes8.AppendNum( aNumber, EDecimal ); |
|
1157 |
|
1158 if ( aAddFieldSeparator ) |
|
1159 { |
|
1160 LeaveIfTooLongL( aDes8, 1 ); |
|
1161 aDes8.Append( KFieldSeparator ); |
|
1162 } |
|
1163 } |
|
1164 |
|
1165 |
|
1166 // --------------------------------------------------------------------------- |
|
1167 // CNSPContentParser::AppendProtocolToTDes8L |
|
1168 // --------------------------------------------------------------------------- |
|
1169 // |
|
1170 void CNSPContentParser::AppendProtocolToTDes8L( TDes8& aDes8, |
|
1171 const TUint& aProtocol, TBool aAddFieldSeparator ) const |
|
1172 { |
|
1173 LeaveIfTooLongL( aDes8, Max( iUdp.DesC().Length(), iTcp.DesC().Length() ) ); |
|
1174 |
|
1175 if ( KProtocolInetUdp == aProtocol ) |
|
1176 { |
|
1177 aDes8.Append( iUdp.DesC() ); |
|
1178 } |
|
1179 else if ( KProtocolInetTcp == aProtocol ) |
|
1180 { |
|
1181 aDes8.Append( iTcp.DesC() ); |
|
1182 } |
|
1183 else // EUndefined |
|
1184 { |
|
1185 User::Leave( KErrNotSupported ); |
|
1186 } |
|
1187 |
|
1188 if ( aAddFieldSeparator ) |
|
1189 { |
|
1190 LeaveIfTooLongL( aDes8, 1 ); |
|
1191 aDes8.Append( KFieldSeparator ); |
|
1192 } |
|
1193 } |
|
1194 |
|
1195 |
|
1196 // --------------------------------------------------------------------------- |
|
1197 // CNSPContentParser::AppendTInetAddrToTDes8L |
|
1198 // --------------------------------------------------------------------------- |
|
1199 // |
|
1200 void CNSPContentParser::AppendTInetAddrToTDes8L( TDes8& aDes8, |
|
1201 const TInetAddr& aAddress, TBool aAddFieldSeparator ) const |
|
1202 { |
|
1203 TBuf<KMaxLengthTInetAddr> buffer; |
|
1204 aAddress.Output( buffer ); |
|
1205 LeaveIfTooLongL( aDes8, buffer.Length() ); |
|
1206 aDes8.Append( buffer ); |
|
1207 |
|
1208 if ( aAddFieldSeparator ) |
|
1209 { |
|
1210 LeaveIfTooLongL( aDes8, 1 ); |
|
1211 aDes8.Append( KFieldSeparator ); |
|
1212 } |
|
1213 } |
|
1214 |
|
1215 |
|
1216 // --------------------------------------------------------------------------- |
|
1217 // CNSPContentParser::AppendTypeToTDes8L |
|
1218 // --------------------------------------------------------------------------- |
|
1219 // |
|
1220 void CNSPContentParser::AppendTypeToTDes8L( TDes8& aDes8, |
|
1221 const CNATFWCandidate::TCandidateType& aType, |
|
1222 TBool aAddFieldSeparator ) const |
|
1223 { |
|
1224 const TInt candidatetypeindex = FindCandidateTypeString( aType ); |
|
1225 |
|
1226 if ( KErrNotFound != candidatetypeindex ) |
|
1227 { |
|
1228 TPtrC8 type( CandidateTypeArray[ KTypeAttrIndexType ] ); |
|
1229 TPtrC8 value( CandidateTypeArray[ candidatetypeindex ] ); |
|
1230 |
|
1231 LeaveIfTooLongL( aDes8, type.Length() + |
|
1232 KFieldSeparator().Length() + value.Length() ); |
|
1233 |
|
1234 aDes8.Append( type ); |
|
1235 aDes8.Append( KFieldSeparator ); |
|
1236 aDes8.Append( value ); |
|
1237 |
|
1238 if ( aAddFieldSeparator ) |
|
1239 { |
|
1240 LeaveIfTooLongL( aDes8, 1 ); |
|
1241 aDes8.Append( KFieldSeparator ); |
|
1242 } |
|
1243 } |
|
1244 else |
|
1245 { |
|
1246 NSPLOG_STR( |
|
1247 "CNSPContentParser::AppendTypeToTDes8L(),KErrNotFound!" ) |
|
1248 User::Leave( KErrArgument ); |
|
1249 } |
|
1250 } |
|
1251 |
|
1252 |
|
1253 // --------------------------------------------------------------------------- |
|
1254 // CNSPContentParser::LeaveIfTooLongL |
|
1255 // --------------------------------------------------------------------------- |
|
1256 // |
|
1257 void CNSPContentParser::LeaveIfTooLongL( const TDes8& aDes8, |
|
1258 const TInt aLength ) const |
|
1259 { |
|
1260 const TInt free = aDes8.MaxLength() - aDes8.Length(); |
|
1261 |
|
1262 if ( free < aLength ) |
|
1263 { |
|
1264 User::Leave( KErrTooBig ); |
|
1265 } |
|
1266 } |
|
1267 |
|
1268 // --------------------------------------------------------------------------- |
|
1269 // CNSPContentParser::FindMediaField |
|
1270 // --------------------------------------------------------------------------- |
|
1271 // |
|
1272 CSdpMediaField* CNSPContentParser::FindMediaField( const CSdpMediaField& aMediaField, |
|
1273 const RPointerArray<CSdpMediaField>& aMediaFields ) const |
|
1274 { |
|
1275 const TInt mediafieldscount( aMediaFields.Count() ); |
|
1276 for ( TInt index = 0; index < mediafieldscount; index++ ) |
|
1277 { |
|
1278 if ( aMediaFields[index]->Media() == aMediaField.Media() ) |
|
1279 { |
|
1280 return aMediaFields[index]; |
|
1281 } |
|
1282 } |
|
1283 |
|
1284 return NULL; |
|
1285 } |
|
1286 |
|
1287 // --------------------------------------------------------------------------- |
|
1288 // CNSPContentParser::CleanupArrayItem |
|
1289 // --------------------------------------------------------------------------- |
|
1290 // |
|
1291 void CNSPContentParser::CleanupArrayItem( TAny* anArray ) |
|
1292 { |
|
1293 if ( anArray ) |
|
1294 { |
|
1295 reinterpret_cast< RPointerArray<CNATFWCandidate>* >( anArray )-> |
|
1296 ResetAndDestroy(); |
|
1297 reinterpret_cast< RPointerArray<CNATFWCandidate>* >( anArray )-> |
|
1298 Close(); |
|
1299 } |
|
1300 } |
|
1301 |
|
1302 |
|
1303 // end of file |