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1 // Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "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 : CSIPQueryNaptr.cpp |
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15 // Part of : ServerResolver |
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16 // Version : SIP/4.0 |
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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 <stringpool.h> |
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22 #include "sipstrings.h" |
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23 #include "sipstrconsts.h" |
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24 #include "CSIPQueryNaptr.h" |
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25 #include "MSIPHostResolver.h" |
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26 |
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27 _LIT8(Ks, "s"); |
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28 _LIT8(KServiceSIP, "SIP+*"); |
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29 _LIT8(KServiceSIPS, "SIPS+*"); |
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30 _LIT8(KStarPlusD2T, "*+D2T"); |
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31 _LIT8(KStarPlusD2TPlusStar, "*+D2T+*"); |
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32 _LIT8(KStarPlusD2U, "*+D2U"); |
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33 _LIT8(KStarPlusD2UPlusStar, "*+D2U+*"); |
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34 |
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35 // ---------------------------------------------------------------------------- |
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36 // CSIPQueryNaptr::NewL |
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37 // ---------------------------------------------------------------------------- |
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38 // |
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39 CSIPQueryNaptr* CSIPQueryNaptr::NewL( const TDesC8& aTarget, TBool aSipsUri ) |
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40 { |
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41 CSIPQueryNaptr* self = new ( ELeave ) CSIPQueryNaptr(aSipsUri); |
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42 CleanupStack::PushL( self ); |
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43 self->ConstructL( aTarget ); |
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44 CleanupStack::Pop( self ); |
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45 return self; |
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46 } |
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47 |
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48 // ---------------------------------------------------------------------------- |
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49 // CSIPQueryNaptr::QueryBuf |
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50 // ---------------------------------------------------------------------------- |
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51 // |
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52 const TDesC8& CSIPQueryNaptr::QueryBuf() |
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53 { |
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54 TDnsQuery query( *iTarget, KDnsRRTypeNAPTR ); |
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55 TDnsQueryBuf querybuf( query ); |
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56 return iQueryBuf = querybuf; |
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57 } |
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58 |
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59 // ---------------------------------------------------------------------------- |
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60 // CSIPQueryNaptr::QueryResultBuf |
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61 // ---------------------------------------------------------------------------- |
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62 // |
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63 TDes8& CSIPQueryNaptr::QueryResultBuf() |
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64 { |
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65 return iResult; |
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66 } |
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67 |
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68 // ---------------------------------------------------------------------------- |
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69 // CSIPQueryNaptr::QueryResult |
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70 // ---------------------------------------------------------------------------- |
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71 // |
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72 TDnsRespNAPTR CSIPQueryNaptr::QueryResult() |
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73 { |
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74 return iResult(); |
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75 } |
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76 |
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77 // ---------------------------------------------------------------------------- |
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78 // CSIPQueryNaptr::~CSIPQueryNaptr |
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79 // ---------------------------------------------------------------------------- |
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80 // |
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81 CSIPQueryNaptr::~CSIPQueryNaptr() |
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82 { |
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83 delete iTarget; |
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84 if ( iRecordArray ) |
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85 { |
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86 iRecordArray->ResetAndDestroy(); |
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87 delete iRecordArray; |
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88 } |
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89 } |
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90 |
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91 // ---------------------------------------------------------------------------- |
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92 // CSIPQueryNaptr::AddL |
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93 // ---------------------------------------------------------------------------- |
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94 // |
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95 void CSIPQueryNaptr::AddL( TDnsRespNAPTR* aNaptr ) |
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96 { |
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97 TLinearOrder<TDnsRespNAPTR> order( CSIPQueryNaptr::Compare ); |
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98 User::LeaveIfError( iRecordArray->InsertInOrderAllowRepeats( aNaptr, |
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99 order ) ); |
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100 } |
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101 |
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102 // ---------------------------------------------------------------------------- |
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103 // CSIPQueryNaptr::Compare |
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104 // ---------------------------------------------------------------------------- |
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105 // |
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106 TInt CSIPQueryNaptr::Compare( const TDnsRespNAPTR& aFirst, |
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107 const TDnsRespNAPTR& aSecond ) |
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108 { |
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109 if ( aFirst.Order() < aSecond.Order() ) |
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110 { |
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111 return -1; |
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112 } |
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113 if ( aFirst.Order() > aSecond.Order() ) |
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114 { |
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115 return 1; |
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116 } |
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117 if ( aFirst.Order() == aSecond.Order() ) |
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118 { |
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119 if ( aFirst.Pref() == aSecond.Pref() ) |
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120 { |
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121 if ( NaptrProtocol( aFirst ) == |
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122 SIPStrings::StringF( SipStrConsts::EUDP ) ) |
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123 { |
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124 return -1; |
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125 } |
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126 else if ( NaptrProtocol( aSecond ) == |
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127 SIPStrings::StringF( SipStrConsts::EUDP ) ) |
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128 { |
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129 return 1; |
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130 } |
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131 else |
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132 { |
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133 return 0; |
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134 } |
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135 } |
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136 if ( aFirst.Pref() < aSecond.Pref() ) |
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137 { |
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138 return -1; |
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139 } |
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140 if ( aFirst.Pref() > aSecond.Pref() ) |
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141 { |
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142 return 1; |
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143 } |
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144 } |
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145 return 0; |
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146 } |
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147 |
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148 // ---------------------------------------------------------------------------- |
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149 // CSIPQueryNaptr::NAPTRRecordL |
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150 // ---------------------------------------------------------------------------- |
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151 // |
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152 TDnsRespNAPTR& CSIPQueryNaptr::NAPTRRecordL( TInt aIndex ) |
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153 { |
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154 __ASSERT_ALWAYS ( aIndex < iRecordArray->Count(), User::Leave( KErrArgument ) ); |
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155 return ( *( *iRecordArray )[aIndex] ); |
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156 } |
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157 |
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158 // ---------------------------------------------------------------------------- |
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159 // CSIPQueryNaptr::RemoveElementL |
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160 // ---------------------------------------------------------------------------- |
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161 // |
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162 void CSIPQueryNaptr::RemoveElementL( TInt aIndex ) |
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163 { |
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164 if ( aIndex < iRecordArray->Count() && aIndex >= 0 ) |
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165 { |
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166 TDnsRespNAPTR* naptr = ( *iRecordArray )[aIndex]; |
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167 delete naptr; |
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168 naptr = NULL; |
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169 iRecordArray->Remove( aIndex ); |
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170 } |
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171 } |
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172 |
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173 // ---------------------------------------------------------------------------- |
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174 // CSIPQueryNaptr::MatchToRulesL |
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175 // ---------------------------------------------------------------------------- |
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176 // |
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177 TBool CSIPQueryNaptr::MatchToRulesL( const TDnsRespNAPTR& aNaptr ) |
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178 { |
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179 if ( aNaptr.Flags().CompareF( Ks ) !=0 ) |
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180 { |
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181 return EFalse; |
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182 } |
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183 |
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184 if ( aNaptr.Regexp().Length() != 0 ) |
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185 { |
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186 return EFalse; |
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187 } |
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188 |
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189 HBufC8* temp = aNaptr.Replacement().AllocL(); |
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190 TPtr8 ptr = temp->Des(); |
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191 ptr.Trim(); |
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192 if ( temp->Length() == 0 ) |
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193 { |
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194 delete temp; |
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195 return EFalse; |
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196 } |
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197 delete temp; |
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198 |
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199 if ( aNaptr.Service().Match( KServiceSIPS ) != KErrNotFound ) |
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200 { |
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201 if ( NaptrProtocol( aNaptr ) == |
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202 SIPStrings::StringF( SipStrConsts::ETLS ) ) |
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203 { |
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204 return ETrue; |
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205 } |
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206 } |
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207 |
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208 if (!iSipsUri) |
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209 { |
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210 if ( aNaptr.Service().Match( KServiceSIP ) != KErrNotFound ) |
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211 { |
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212 if ( NaptrProtocol( aNaptr ) != |
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213 SIPStrings::StringF( SipStrConsts::EEmpty ) ) |
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214 { |
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215 return ETrue; |
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216 } |
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217 } |
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218 } |
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219 |
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220 return EFalse; |
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221 } |
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222 |
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223 // ---------------------------------------------------------------------------- |
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224 // CSIPQueryNaptr::RecordArray |
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225 // ---------------------------------------------------------------------------- |
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226 // |
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227 RPointerArray<TDnsRespNAPTR>& CSIPQueryNaptr::RecordArray() |
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228 { |
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229 return *iRecordArray; |
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230 } |
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231 |
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232 // ---------------------------------------------------------------------------- |
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233 // CSIPQueryNaptr::NaptrProtocol |
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234 // ---------------------------------------------------------------------------- |
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235 // |
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236 RStringF CSIPQueryNaptr::NaptrProtocol( const TDnsRespNAPTR& aNaptr ) |
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237 { |
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238 if ( aNaptr.Service().Match( KStarPlusD2T ) != KErrNotFound || |
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239 aNaptr.Service().Match( KStarPlusD2TPlusStar ) != KErrNotFound ) |
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240 { |
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241 if (aNaptr.Service().Match( KServiceSIPS ) != KErrNotFound) |
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242 { |
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243 return SIPStrings::StringF( SipStrConsts::ETLS ); |
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244 } |
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245 return SIPStrings::StringF( SipStrConsts::ETCP ); |
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246 } |
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247 |
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248 if( aNaptr.Service().Match( KStarPlusD2U ) != KErrNotFound || |
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249 aNaptr.Service().Match( KStarPlusD2UPlusStar ) != KErrNotFound ) |
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250 { |
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251 return SIPStrings::StringF( SipStrConsts::EUDP ); |
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252 } |
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253 |
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254 return SIPStrings::StringF( SipStrConsts::EEmpty ); |
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255 } |
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256 |
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257 |
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258 // ---------------------------------------------------------------------------- |
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259 // CSIPQueryNaptr::Query |
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260 // ---------------------------------------------------------------------------- |
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261 // |
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262 void CSIPQueryNaptr::Query( MSIPHostResolver& aResolver ) |
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263 { |
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264 aResolver.Resolver().Query( QueryBuf(), |
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265 QueryResultBuf(), |
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266 aResolver.RequestStatus() ); |
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267 } |
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268 |
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269 // ---------------------------------------------------------------------------- |
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270 // CSIPQueryNaptr::ConstructL |
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271 // ---------------------------------------------------------------------------- |
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272 // |
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273 void CSIPQueryNaptr::ConstructL( const TDesC8& aTarget ) |
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274 { |
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275 // KQueryDataMaxLength is same as TDnsQryData's max length in dns_qry.h |
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276 const TInt KQueryDataMaxLength = 255; |
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277 |
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278 __ASSERT_ALWAYS ( aTarget.Length() < KQueryDataMaxLength, |
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279 User::Leave( KErrArgument ) ); |
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280 |
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281 __ASSERT_ALWAYS ( aTarget.Length() > 0, User::Leave( KErrArgument ) ); |
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282 |
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283 |
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284 iTarget = aTarget.AllocL(); |
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285 iRecordArray = new ( ELeave ) RPointerArray<TDnsRespNAPTR>; |
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286 } |
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287 |
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288 // ---------------------------------------------------------------------------- |
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289 // CSIPQueryNaptr::CSIPQueryNaptr |
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290 // ---------------------------------------------------------------------------- |
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291 // |
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292 CSIPQueryNaptr::CSIPQueryNaptr(TBool aSipsUri) |
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293 :CSIPQueryBase(), iSipsUri(aSipsUri) |
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294 { |
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295 } |
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296 |
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297 // ---------------------------------------------------------------------------- |
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298 // CSIPQueryNaptr::HandleQueryResultL |
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299 // ---------------------------------------------------------------------------- |
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300 // |
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301 void CSIPQueryNaptr::HandleQueryResultL( MSIPHostResolver& aResolver ) |
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302 { |
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303 TDnsRespNAPTR* naptr = NULL; |
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304 if ( MatchToRulesL( QueryResult() ) ) |
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305 { |
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306 naptr = new ( ELeave ) TDnsRespNAPTR(); |
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307 CleanupStack::PushL( naptr ); |
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308 naptr->SetFlags( iResult().Flags() ); |
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309 naptr->SetOrder( iResult().Order() ); |
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310 naptr->SetPref( iResult().Pref() ); |
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311 naptr->SetRegexp( iResult().Regexp() ); |
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312 naptr->SetReplacement( iResult().Replacement() ); |
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313 naptr->SetService( iResult().Service() ); |
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314 AddL( naptr ); |
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315 CleanupStack::Pop( naptr ); |
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316 } |
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317 while ( aResolver.Resolver().QueryGetNext( QueryResultBuf() ) |
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318 == KErrNone ) |
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319 { |
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320 if ( MatchToRulesL( QueryResult() ) ) |
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321 { |
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322 naptr = new ( ELeave ) TDnsRespNAPTR(); |
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323 CleanupStack::PushL( naptr ); |
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324 naptr->SetFlags( iResult().Flags() ); |
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325 naptr->SetOrder( iResult().Order() ); |
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326 naptr->SetPref( iResult().Pref() ); |
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327 naptr->SetRegexp( iResult().Regexp() ); |
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328 naptr->SetReplacement( iResult().Replacement() ); |
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329 naptr->SetService( iResult().Service() ); |
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330 AddL( naptr ); |
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331 CleanupStack::Pop( naptr ); |
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332 } |
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333 } |
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334 } |
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335 |
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336 // ---------------------------------------------------------------------------- |
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337 // CSIPQueryNaptr::ResultTargetL |
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338 // ---------------------------------------------------------------------------- |
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339 // |
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340 const TDesC8& CSIPQueryNaptr::ResultTargetL() |
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341 { |
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342 return NAPTRRecordL( 0 ).Replacement(); |
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343 } |
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344 |
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345 // ---------------------------------------------------------------------------- |
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346 // CSIPQueryNaptr::ResultProtocolL |
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347 // ---------------------------------------------------------------------------- |
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348 // |
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349 RStringF CSIPQueryNaptr::ResultProtocolL() |
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350 { |
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351 return NaptrProtocol( NAPTRRecordL( 0 ) ); |
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352 } |
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353 |
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354 // ---------------------------------------------------------------------------- |
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355 // CSIPQueryNaptr::ArrayCount |
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356 // ---------------------------------------------------------------------------- |
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357 // |
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358 TInt CSIPQueryNaptr::ArrayCount() |
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359 { |
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360 return iRecordArray->Count(); |
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361 } |