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1 /* |
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2 * Copyright (c) 2005-2007 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 |
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18 |
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19 |
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20 |
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21 #include "natfwunsaflog.h" |
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22 #include "stunassert.h" |
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23 #include "cstunbindinggetaddress.h" |
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24 #include "natfwbindingimplementationbase.h" |
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25 #include "stunutils.h" |
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26 #include "stunturnclientlogs.h" |
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27 |
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28 // ======== MEMBER FUNCTIONS ======== |
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29 |
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30 // --------------------------------------------------------------------------- |
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31 // CSTUNBindingGetAddress::CSTUNBindingGetAddress |
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32 // --------------------------------------------------------------------------- |
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33 // |
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34 CSTUNBindingGetAddress::CSTUNBindingGetAddress() |
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35 { |
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36 } |
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37 |
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38 // --------------------------------------------------------------------------- |
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39 // CSTUNBindingGetAddress::CSTUNBindingGetAddress |
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40 // Dummy implementation, as copy constructor is declared private and not used. |
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41 // --------------------------------------------------------------------------- |
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42 // |
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43 CSTUNBindingGetAddress::CSTUNBindingGetAddress( |
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44 const CSTUNBindingGetAddress& /*aGetAddress*/ ) : |
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45 CSTUNBindingState() |
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46 { |
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47 } |
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48 |
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49 // --------------------------------------------------------------------------- |
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50 // CSTUNBindingGetAddress::~CSTUNBindingGetAddress |
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51 // --------------------------------------------------------------------------- |
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52 // |
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53 CSTUNBindingGetAddress::~CSTUNBindingGetAddress() |
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54 { |
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55 iErrorBuffer.Close(); |
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56 } |
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57 |
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58 // --------------------------------------------------------------------------- |
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59 // CSTUNBindingGetAddress::PublicAddressReceivedL |
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60 // --------------------------------------------------------------------------- |
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61 // |
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62 void CSTUNBindingGetAddress::PublicAddressReceivedL( |
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63 CBindingImplementation& aContext, |
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64 const TInetAddr& aPublicAddress ) const |
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65 { |
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66 NATFWUNSAF_ADDRLOG( "STUNBinding public addr", aPublicAddress ) |
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67 |
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68 aContext.StoreAddressL( aPublicAddress ); |
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69 aContext.ChangeState( *iActive ); |
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70 } |
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71 |
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72 // --------------------------------------------------------------------------- |
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73 // CSTUNBindingGetAddress::PublicAddressReceivedL - overloaded for stun relay |
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74 // --------------------------------------------------------------------------- |
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75 // |
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76 void CSTUNBindingGetAddress::PublicAddressReceivedL( |
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77 CBindingImplementation& aContext, |
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78 const TInetAddr& aReflexiveAddr, |
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79 const TInetAddr& aRelayAddr ) const |
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80 { |
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81 NATFWUNSAF_ADDRLOG( "STUNRelayBinding public addr", aReflexiveAddr ) |
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82 NATFWUNSAF_ADDRLOG( "STUNRelayBinding relay addr", aRelayAddr ) |
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83 |
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84 aContext.StoreAddressL( aReflexiveAddr, aRelayAddr ); |
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85 aContext.ChangeState( *iActive ); |
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86 } |
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87 |
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88 // --------------------------------------------------------------------------- |
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89 // CSTUNBindingGetAddress::TransactionError |
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90 // --------------------------------------------------------------------------- |
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91 // |
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92 void |
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93 CSTUNBindingGetAddress::TransactionError( CBindingImplementation& aContext, |
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94 TInt aError ) |
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95 { |
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96 __STUNTURNCLIENT_INT1( |
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97 "CSTUNBindingGetAddress::TransactionError Error: ", aError ) |
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98 __STUN_ASSERT_RETURN( aError != KErrNone, KErrArgument ); |
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99 |
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100 TInt error( KErrNone ); |
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101 TInt found( KErrNotFound ); |
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102 if ( iErrorBuffer.Count() > 0 ) |
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103 { |
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104 found = iErrorBuffer.Find( aError ); |
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105 if ( KErrNotFound != found ) |
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106 { |
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107 // Same error happened again, stop error handling |
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108 __STUNTURNCLIENT( |
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109 "Same error happened again, end processing" ) |
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110 aContext.Terminate( aError ); |
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111 return; |
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112 } |
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113 } |
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114 |
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115 if ( iErrorBuffer.Count() == 0 || KErrNotFound == found ) |
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116 { |
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117 iErrorBuffer.Append( aError ); |
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118 } |
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119 |
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120 if ( aContext.HandleTransactionError( aError ) ) |
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121 { |
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122 if ( STUNUtils::Is5xxResponse( aError ) ) |
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123 { |
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124 __STUNTURNCLIENT( "Is5xxResponse" ) |
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125 aContext.WaitBeforeRetrying(); |
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126 aContext.ChangeState( *iWaitToRetry ); |
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127 } |
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128 |
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129 if ( E430StaleCredentials == aError || E436UnknownUsername == aError || |
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130 E432MissingUsername == aError || E434MissingRealm == aError ) |
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131 { |
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132 aContext.ChangeState( *iGetSharedSecret ); |
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133 TRAP( error, aContext.ClientL().BindingErrorL( |
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134 aContext.Binding(), aError, EFalse ) ); |
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135 |
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136 if ( KErrNone != error ) |
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137 { |
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138 __STUNTURNCLIENT_INT1( "TransactionError leave ", error ) |
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139 aContext.Terminate( error ); |
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140 } |
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141 } |
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142 |
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143 if ( E401Unauthorized == aError ) |
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144 { |
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145 aContext.ChangeState( *iGetSharedSecret ); |
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146 |
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147 TRAP( error, aContext.ClientL().BindingErrorL( |
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148 aContext.Binding(), aError, EFalse ) ); |
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149 if ( error != KErrNone ) |
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150 { |
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151 __STUNTURNCLIENT_INT1( "TransactionError 401 LEAVED: ", error ) |
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152 aContext.Terminate( error ); |
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153 } |
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154 } |
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155 |
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156 if ( E300TryAlternate == aError ) |
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157 { |
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158 // last argument is true, because binding cannot be destroyed |
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159 // before alternate server is read from it. |
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160 TRAP_IGNORE( aContext.ClientL().BindingErrorL( |
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161 aContext.Binding(), aError, ETrue ) ); |
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162 } |
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163 |
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164 else |
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165 { |
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166 // this branch will send new request |
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167 aContext.ChangeState( *iGetSharedSecret ); |
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168 TRAP( error, aContext.GetSharedSecretL() ); |
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169 if ( error != KErrNone ) |
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170 { |
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171 aContext.Terminate( error ); |
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172 } |
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173 } |
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174 } |
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175 |
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176 else |
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177 { |
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178 aContext.Terminate( aError ); |
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179 } |
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180 } |
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181 |
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182 // --------------------------------------------------------------------------- |
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183 // CSTUNBindingGetAddress::SendRequestL |
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184 // No action, since obtaining a binding is already in progress. |
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185 // --------------------------------------------------------------------------- |
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186 // |
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187 void CSTUNBindingGetAddress::SendRequestL( |
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188 CBindingImplementation& /*aContext*/ ) const |
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189 { |
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190 } |
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191 |
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192 // --------------------------------------------------------------------------- |
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193 // CSTUNBindingGetAddress::SetNeighbourStates |
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194 // --------------------------------------------------------------------------- |
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195 // |
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196 void CSTUNBindingGetAddress::SetNeighbourStates( |
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197 CSTUNBindingState& aGetSharedSecret, |
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198 CSTUNBindingState& aWaitToRetry, |
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199 CSTUNBindingState& aActive ) |
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200 { |
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201 iGetSharedSecret = &aGetSharedSecret; |
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202 iWaitToRetry = &aWaitToRetry; |
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203 iActive = &aActive; |
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204 } |