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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: |
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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 <e32base.h> |
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22 #include "natfwcredentials.h" |
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23 #include "natfwcandidatepair.h" |
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24 #include "mnatfwpluginobserver.h" |
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25 #include "mncmconnectionmultiplexer.h" |
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26 #include "ciceconnectionhandler.h" |
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27 #include "natfwstunclient.h" |
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28 #include "natfwstunbinding.h" |
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29 #include "cicesessiondata.h" |
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30 #include "miceconncheckobserver.h" |
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31 #include "miceconnhandlerobserver.h" |
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32 #include "ticenatplugincontaineriter.h" |
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33 #include "icecandidatehandlerlogs.h" |
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34 |
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35 // CONSTANTS |
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36 const TInt KRetransmitIntervalInMs = 250; |
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37 |
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38 // ======== MEMBER FUNCTIONS ======== |
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39 |
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40 |
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41 // --------------------------------------------------------------------------- |
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42 // CIceConnectionHandler::CIceConnectionHandler |
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43 // --------------------------------------------------------------------------- |
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44 // |
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45 CIceConnectionHandler::CIceConnectionHandler( |
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46 MNcmConnectionMultiplexer& aMultiplexer, |
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47 MIceNatPluginEventObs& aEventObserver, |
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48 CIceSessionData& aSessionData, |
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49 CIceNatPluginContainer& aPluginContainer, |
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50 MIceConnHandlerObserver& aConnHandlerObs ) |
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51 : |
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52 iMultiplexer( aMultiplexer ), |
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53 iEventObserver( aEventObserver ), |
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54 iSessionData( aSessionData ), |
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55 iPluginContainer( aPluginContainer ), |
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56 iConnHandlerObs( aConnHandlerObs ) |
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57 { |
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58 __ICEDP( "CIceConnectionHandler::CIceConnectionHandler" ) |
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59 } |
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60 |
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61 |
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62 // --------------------------------------------------------------------------- |
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63 // CIceConnectionHandler::ConstructL |
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64 // --------------------------------------------------------------------------- |
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65 // |
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66 void CIceConnectionHandler::ConstructL() |
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67 { |
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68 __ICEDP( "CIceConnectionHandler::ConstructL" ) |
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69 |
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70 iTimerServices = CDeltaTimer::NewL( CActive::EPriorityStandard ); |
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71 |
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72 // RTO value given here will be overridden when sending request |
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73 iStunClient = CSTUNClient::NewL( KRetransmitIntervalInMs, |
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74 *iTimerServices, |
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75 *this, |
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76 &iMultiplexer ); |
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77 |
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78 iPluginContainer.RegObserverForEventL( *this, |
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79 MIceNatPluginEventObs::ESendingActivated ); |
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80 iPluginContainer.RegObserverForEventL( *this, |
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81 MIceNatPluginEventObs::ESendingDeactivated ); |
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82 |
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83 iPluginContainer.RegObserverForEventL( *this, |
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84 MIceNatPluginEventObs::EReceivingActivated ); |
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85 iPluginContainer.RegObserverForEventL( *this, |
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86 MIceNatPluginEventObs::EReceivingDeactivated ); |
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87 } |
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88 |
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89 |
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90 // --------------------------------------------------------------------------- |
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91 // CIceConnectionHandler::NewL |
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92 // --------------------------------------------------------------------------- |
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93 // |
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94 CIceConnectionHandler* CIceConnectionHandler::NewL( |
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95 MNcmConnectionMultiplexer& aMultiplexer, |
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96 MIceNatPluginEventObs& aEventObserver, |
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97 CIceSessionData& aSessionData, |
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98 CIceNatPluginContainer& aPluginContainer, |
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99 MIceConnHandlerObserver& aConnHandlerObs ) |
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100 { |
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101 __ICEDP( "CIceConnectionHandler::NewL" ) |
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102 |
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103 CIceConnectionHandler* self |
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104 = CIceConnectionHandler::NewLC( |
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105 aMultiplexer, aEventObserver, aSessionData, aPluginContainer, |
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106 aConnHandlerObs ); |
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107 |
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108 CleanupStack::Pop( self ); |
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109 |
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110 return self; |
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111 } |
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112 |
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113 |
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114 // --------------------------------------------------------------------------- |
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115 // CIceConnectionHandler::NewLC |
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116 // --------------------------------------------------------------------------- |
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117 // |
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118 CIceConnectionHandler* CIceConnectionHandler::NewLC( |
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119 MNcmConnectionMultiplexer& aMultiplexer, |
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120 MIceNatPluginEventObs& aEventObserver, |
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121 CIceSessionData& aSessionData, |
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122 CIceNatPluginContainer& aPluginContainer, |
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123 MIceConnHandlerObserver& aConnHandlerObs ) |
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124 { |
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125 __ICEDP( "CIceConnectionHandler::NewLC" ) |
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126 |
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127 CIceConnectionHandler* self |
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128 = new( ELeave ) CIceConnectionHandler( |
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129 aMultiplexer, aEventObserver, aSessionData, |
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130 aPluginContainer, aConnHandlerObs ); |
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131 CleanupStack::PushL( self ); |
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132 self->ConstructL(); |
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133 |
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134 return self; |
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135 } |
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136 |
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137 |
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138 // --------------------------------------------------------------------------- |
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139 // CIceConnectionHandler::~CIceConnectionHandler |
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140 // --------------------------------------------------------------------------- |
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141 // |
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142 CIceConnectionHandler::~CIceConnectionHandler() |
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143 { |
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144 __ICEDP( "CIceConnectionHandler::~CIceConnectionHandler" ) |
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145 |
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146 FreeResources(); |
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147 delete iStunClient; |
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148 |
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149 // timer services must be deleted AFTER STUN Client |
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150 delete iTimerServices; |
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151 |
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152 iPluginContainer.UnregObserver( *this ); |
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153 } |
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154 |
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155 |
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156 // --------------------------------------------------------------------------- |
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157 // CIceConnectionHandler::SetReceivingStateL |
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158 // --------------------------------------------------------------------------- |
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159 // |
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160 void CIceConnectionHandler::SetReceivingStateL( |
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161 const CNATFWCandidate& aLocalCandidate, |
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162 TNATFWStreamingState aState ) |
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163 { |
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164 __ICEDP( "CIceConnectionHandler::SetReceivingStateL" ) |
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165 |
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166 CNATFWPluginApi* item = SolvePluginL( aLocalCandidate ); |
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167 item->SetReceivingStateL( aLocalCandidate, aState ); |
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168 } |
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169 |
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170 |
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171 // --------------------------------------------------------------------------- |
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172 // CIceConnectionHandler::SetSendingStateL |
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173 // --------------------------------------------------------------------------- |
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174 // |
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175 void CIceConnectionHandler::SetSendingStateL( |
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176 const CNATFWCandidate& aLocalCandidate, |
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177 TNATFWStreamingState aState, const TInetAddr& aDestAddr ) |
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178 { |
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179 __ICEDP( "CIceConnectionHandler::SetSendingStateL" ) |
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180 |
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181 CNATFWPluginApi* item = SolvePluginL( aLocalCandidate ); |
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182 item->SetSendingStateL( aLocalCandidate, aState, aDestAddr ); |
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183 } |
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184 |
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185 |
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186 // --------------------------------------------------------------------------- |
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187 // CIceConnectionHandler::GetConnectionIdL |
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188 // --------------------------------------------------------------------------- |
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189 // |
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190 void CIceConnectionHandler::GetConnectionIdL( |
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191 const CNATFWCandidate& aLocalCandidate, |
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192 TUint& aConnectionId ) |
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193 { |
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194 __ICEDP( "CIceConnectionHandler::GetConnectionIdL" ) |
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195 |
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196 CNATFWPluginApi* item = SolvePluginL( aLocalCandidate ); |
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197 item->GetConnectionIdL( aLocalCandidate, aConnectionId ); |
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198 } |
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199 |
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200 |
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201 // --------------------------------------------------------------------------- |
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202 // CIceConnectionHandler::CreateConnectionL |
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203 // --------------------------------------------------------------------------- |
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204 // |
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205 TUint CIceConnectionHandler::CreateConnectionL( |
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206 const CNATFWCandidatePair& aPair ) |
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207 { |
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208 __ICEDP( "CIceConnectionHandler::CreateConnectionL" ) |
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209 const CNATFWCandidate& localCandidate( aPair.LocalCandidate() ); |
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210 TUint streamId( localCandidate.StreamId() ); |
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211 |
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212 iMultiplexer.RegisterConnectionObserverL( streamId, *this ); |
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213 iMultiplexer.RegisterIncomingConnectionObserverL( streamId, *this ); |
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214 |
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215 TUint connectionId( 0 ); |
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216 if ( CNATFWCandidate::ERelay == localCandidate.Type() ) |
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217 { |
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218 // turnconnectionid is used when utilizing TURN-plugin |
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219 CNATFWPluginApi* plugin |
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220 = iPluginContainer.PluginByType( KNatPluginTypeTurn() ); |
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221 __ASSERT_ALWAYS( plugin, User::Leave( KErrNotFound ) ); |
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222 |
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223 plugin->GetConnectionIdL( localCandidate, connectionId ); |
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224 } |
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225 else |
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226 { |
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227 // create a new host connection for the candidate pair |
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228 connectionId = iMultiplexer.CreateConnectionL( |
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229 streamId, localCandidate.TransportAddr() ); |
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230 } |
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231 |
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232 CSTUNBinding* binding = |
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233 CSTUNBinding::NewLC( *iStunClient, streamId, connectionId ); |
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234 |
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235 TIceConnectionType type = |
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236 CNATFWCandidate::ERelay == aPair.LocalCandidate().Type() ? |
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237 EIceConnTypeTurn : EIceConnTypeHost; |
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238 |
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239 TBindingData bindingData( binding, type, |
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240 streamId, connectionId, aPair.RemoteCandidate().TransportAddr() ); |
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241 iBindings.AppendL( bindingData ); |
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242 CleanupStack::Pop( binding ); |
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243 |
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244 return connectionId; |
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245 } |
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246 |
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247 |
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248 // --------------------------------------------------------------------------- |
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249 // CIceConnectionHandler::RemoveConnection |
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250 // --------------------------------------------------------------------------- |
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251 // |
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252 void CIceConnectionHandler::RemoveConnection( |
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253 TUint aStreamId, TUint aConnectionId ) |
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254 { |
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255 __ICEDP( "CIceConnectionHandler::RemoveConnection" ) |
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256 |
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257 DoRemoveConnection( aStreamId, aConnectionId, ETrue ); |
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258 } |
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259 |
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260 |
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261 // --------------------------------------------------------------------------- |
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262 // CIceConnectionHandler::PerformConnCheckL |
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263 // --------------------------------------------------------------------------- |
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264 // |
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265 void CIceConnectionHandler::PerformConnCheckL( TUint aStreamId, |
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266 TUint aConnectionId, TUint aPriority, TBool aUseCandidate, |
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267 TUint aRtoValue, const TInetAddr& aDestAddr, |
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268 MIceConnCheckObserver& aObserver ) |
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269 { |
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270 __ICEDP( "CIceConnectionHandler::PerformConnCheckL" ) |
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271 |
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272 const CNATFWCredentials* credential = |
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273 iSessionData.Credentials( |
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274 aStreamId, CNATFWCredentials::EOutbound ); |
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275 __ASSERT_ALWAYS( NULL != credential, User::Leave( KErrNotReady ) ); |
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276 __ASSERT_ALWAYS( |
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277 credential->Username().Length(), User::Leave( KErrNotReady ) ); |
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278 __ASSERT_ALWAYS( |
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279 credential->Password().Length(), User::Leave( KErrNotReady ) ); |
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280 |
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281 iStunClient->SetCredentialsL( |
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282 credential->Username(), credential->Password() ); |
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283 |
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284 TInt index( FindBindingIndex( aStreamId, aConnectionId, aDestAddr ) ); |
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285 __ASSERT_ALWAYS( KErrNotFound != index, User::Leave( index ) ); |
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286 iBindings[index].iObserver = &aObserver; |
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287 |
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288 TICEAttributes attributes( |
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289 aPriority, aUseCandidate, |
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290 ( EIceRoleControlled == iSessionData.Role() ) |
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291 ? iSessionData.TieBreaker() : TUint64( 0 ), |
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292 ( EIceRoleControlling == iSessionData.Role() ) |
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293 ? iSessionData.TieBreaker() : TUint64( 0 ) ); |
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294 |
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295 CSTUNBinding* stunBinding = |
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296 static_cast<CSTUNBinding*>( iBindings[index].iBinding ); |
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297 |
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298 stunBinding->SetICESpecificAttributes( attributes ); |
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299 iBindings[index].iCheckOngoing = ETrue; |
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300 iBindings[index].iRtoValue = aRtoValue; |
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301 |
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302 if ( EStreamingStateActive != iBindings[index].iStreamingStatus ) |
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303 { |
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304 if ( CIceConnectionHandler::EIceConnTypeTurn |
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305 != iBindings[index].iConnType ) |
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306 { |
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307 iMultiplexer.SetReceivingStateL( iBindings[index].iStreamId, |
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308 iBindings[index].iConnectionId, EStreamingStateActive ); |
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309 |
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310 iMultiplexer.SetSendingStateL( iBindings[index].iStreamId, |
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311 iBindings[index].iConnectionId, |
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312 iBindings[index].iDestAddr, EStreamingStateActive ); |
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313 // Wait for notify from multiplexer and after that call |
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314 // SendRequestL for this connection. |
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315 } |
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316 else |
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317 { |
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318 stunBinding->SendRequestL( |
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319 iBindings[index].iDestAddr, ETrue, |
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320 iBindings[index].iRtoValue ); |
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321 } |
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322 } |
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323 else |
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324 { |
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325 stunBinding->SendRequestL( |
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326 iBindings[index].iDestAddr, ETrue, iBindings[index].iRtoValue ); |
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327 } |
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328 } |
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329 |
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330 |
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331 // --------------------------------------------------------------------------- |
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332 // CIceConnectionHandler::CancelCheck |
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333 // --------------------------------------------------------------------------- |
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334 // |
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335 void CIceConnectionHandler::CancelCheck( TUint aStreamId, |
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336 TUint aConnectionId, const TInetAddr& aDestAddr ) |
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337 { |
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338 __ICEDP( "CIceConnectionHandler::CancelCheck" ) |
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339 |
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340 TInt index( FindBindingIndex( aStreamId, aConnectionId, aDestAddr ) ); |
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341 if ( KErrNotFound != index ) |
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342 { |
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343 CSTUNBinding* stunBinding = |
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344 static_cast<CSTUNBinding*>( iBindings[index].iBinding ); |
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345 if ( EStreamingStateActive == iBindings[index].iStreamingStatus || |
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346 EIceConnTypeTurn == iBindings[index].iConnType ) |
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347 { |
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348 // Previous transaction is fully terminated because STUN binding |
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349 // does not currently support simultaneous transactions. |
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350 stunBinding->CancelRequest(); |
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351 } |
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352 else |
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353 { |
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354 // mux connection not yet activated |
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355 __ICEDP( "CIceConnectionHandler::CancelCheck, NO ACTIVE CONN" ) |
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356 iBindings[index].iCancelled = ETrue; |
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357 } |
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358 } |
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359 else |
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360 { |
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361 __ICEDP( "CIceConnectionHandler::CancelCheck, ASSERT" ) |
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362 ASSERT( EFalse ); |
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363 } |
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364 } |
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365 |
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366 |
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367 // --------------------------------------------------------------------------- |
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368 // CIceConnectionHandler::ReleasePlugins |
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369 // --------------------------------------------------------------------------- |
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370 // |
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371 void CIceConnectionHandler::ReleasePlugins( TBool aRetainRelay ) |
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372 { |
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373 __ICEDP( "CIceConnectionHandler::ReleasePlugins" ) |
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374 |
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375 iPluginContainer.ReleasePlugins( aRetainRelay ); |
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376 } |
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377 |
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378 |
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379 // --------------------------------------------------------------------------- |
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380 // CIceConnectionHandler::STUNClientInitCompleted |
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381 // --------------------------------------------------------------------------- |
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382 // |
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383 void CIceConnectionHandler::STUNClientInitCompleted( |
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384 const CSTUNClient& /*aClient*/, |
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385 TInt /*aCompletionCode*/ ) |
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386 { |
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387 __ICEDP( "CIceConnectionHandler::STUNClientInitCompleted" ) |
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388 // SHOULD NOT GET CALLED IN THIS IMPLEMENTATION |
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389 ASSERT( EFalse ); |
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390 } |
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391 |
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392 |
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393 // --------------------------------------------------------------------------- |
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394 // CIceConnectionHandler::STUNBindingEventOccurredL |
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395 // --------------------------------------------------------------------------- |
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396 // |
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397 void CIceConnectionHandler::STUNBindingEventOccurredL( |
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398 TSTUNBindingEvent aEvent, const CBinding& aBinding ) |
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399 { |
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400 __ICEDP( "CIceConnectionHandler::STUNBindingEventOccurredL" ) |
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401 |
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402 TInt index = FindBindingIndex( aBinding ); |
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403 User::LeaveIfError( index ); |
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404 |
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405 // notify client about success of connectivity check with data got |
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406 // in incoming message |
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407 if ( EPublicAddressResolved == aEvent ) |
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408 { |
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409 __ICEDP_ADDRLOG( "MAPPEDADDR:", aBinding.PublicAddr() ) |
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410 iBindings[index].iMappedAddr = aBinding.PublicAddr(); |
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411 ExecuteCallbackL( index, KErrNone ); |
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412 } |
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413 else if ( ECredentialsRejected == aEvent ) |
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414 { |
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415 iBindings[index].iMappedAddr.SetAddress( KAFUnspec ); |
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416 ExecuteCallbackL( index, KErrPermissionDenied ); |
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417 } |
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418 else |
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419 { |
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420 __ICEDP( "CIceConnectionHandler::STUNBindingEventOccurredL, ELSE" ) |
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421 ASSERT( EFalse ); |
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422 } |
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423 } |
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424 |
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425 |
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426 // --------------------------------------------------------------------------- |
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427 // CIceConnectionHandler::STUNBindingErrorOccurred |
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428 // --------------------------------------------------------------------------- |
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429 // |
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430 void CIceConnectionHandler::STUNBindingErrorOccurred( |
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431 const CBinding& aBinding, TInt aError ) |
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432 { |
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433 __ICEDP( "CIceConnectionHandler::STUNBindingErrorOccurred" ) |
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434 |
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435 TInt index = FindBindingIndex( aBinding ); |
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436 if ( KErrNotFound != index ) |
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437 { |
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438 TRAP_IGNORE( ExecuteCallbackL( index, aError ) ) |
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439 } |
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440 else |
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441 { |
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442 __ICEDP( "CIceConnectionHandler::STUNBindingErrorOccurred, ELSE" ) |
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443 ASSERT( EFalse ); |
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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 // --------------------------------------------------------------------------- |
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449 // CIceConnectionHandler::ConnectionNotify |
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450 // --------------------------------------------------------------------------- |
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451 // |
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452 void CIceConnectionHandler::ConnectionNotify( |
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453 TUint aStreamId, TUint aConnectionId, |
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454 MNcmConnectionObserver::TConnectionNotifyType aType, |
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455 TInt aError ) |
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456 { |
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457 __ICEDP_INT1( |
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458 "CIceConnectionHandler::ConnectionNotify, ERR:", aError ) |
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459 |
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460 TInt index( FindBindingIndex( aStreamId, aConnectionId ) ); |
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461 if ( KErrNotFound != index |
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462 && EIceConnTypeHost == iBindings[index].iConnType ) |
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463 { |
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464 switch ( aType ) |
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465 { |
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466 case MNcmConnectionObserver::EConnectionRemoved: |
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467 { |
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468 DoRemoveConnection( aStreamId, aConnectionId, EFalse ); |
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469 iConnHandlerObs.StreamClosed( aStreamId ); |
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470 } |
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471 break; |
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472 |
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473 case MNcmConnectionObserver::EConnectionError: |
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474 { |
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475 // Handled with error handling below |
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476 } |
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477 break; |
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478 |
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479 case MNcmConnectionObserver::EReceivingActivated: |
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480 { |
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481 // Wait for MNcmConnectionObserver::ESendingActivated |
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482 } |
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483 break; |
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484 |
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485 case MNcmConnectionObserver::EReceivingDeactivated: |
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486 { |
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487 // Wait for MNcmConnectionObserver::ESendingDeactivated |
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488 } |
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489 break; |
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490 |
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491 case MNcmConnectionObserver::ESendingActivated: |
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492 { |
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493 iBindings[index].iStreamingStatus = EStreamingStateActive; |
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494 |
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495 if ( iBindings[index].iCancelled ) |
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496 { |
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497 // Connectivity check is now 'cancelled' and new request |
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498 // can be received. |
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499 iBindings[index].iCancelled = EFalse; |
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500 } |
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501 else |
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502 { |
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503 CSTUNBinding* stunBinding = |
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504 static_cast<CSTUNBinding*>( iBindings[index].iBinding ); |
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505 TRAP_IGNORE( stunBinding->SendRequestL( |
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506 iBindings[index].iDestAddr, ETrue, |
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507 iBindings[index].iRtoValue ) ) |
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508 } |
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509 } |
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510 break; |
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511 |
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512 case MNcmConnectionObserver::ESendingDeactivated: |
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513 { |
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514 iBindings[index].iStreamingStatus = EStreamingStatePassive; |
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515 } |
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516 break; |
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517 |
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518 case MNcmConnectionObserver::EFirstMediaPacketSent: |
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519 { |
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520 } |
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521 break; |
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522 |
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523 default: |
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524 ASSERT( EFalse ); |
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525 } |
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526 |
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527 if ( aError ) |
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528 { |
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529 if ( iBindings[index].iCheckOngoing ) |
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530 { |
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531 iBindings[index].iCheckOngoing = EFalse; |
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532 TRAP_IGNORE( ExecuteCallbackL( index, KErrUnknown ) ) |
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533 } |
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534 |
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535 DoRemoveConnection( aStreamId, aConnectionId, ETrue ); |
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536 } |
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537 } |
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538 } |
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539 |
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540 |
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541 // --------------------------------------------------------------------------- |
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542 // CIceConnectionHandler::IncomingMessageL |
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543 // For protocol message receiving. |
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544 // --------------------------------------------------------------------------- |
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545 // |
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546 void CIceConnectionHandler::IncomingMessageL( TUint aStreamId, |
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547 const TDesC8& aMessage, const TInetAddr& aLocalAddr, |
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548 const TInetAddr& aFromAddr, const TInetAddr& aPeerAddr, |
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549 TBool& aConsumed ) |
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550 { |
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551 __ICEDP_ADDRLOG( |
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552 "CIceConnectionHandler::IncomingMessageL FROMADDR", aFromAddr ) |
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553 __ICEDP_ADDRLOG( |
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554 "CIceConnectionHandler::IncomingMessageL PEERADDR", aPeerAddr ) |
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555 |
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556 TInt index( iBindings.Count() - 1 ); |
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557 __ASSERT_ALWAYS( 0 <= index, User::Leave( KErrNotReady ) ); |
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558 |
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559 TInetAddr peerAddrFromIndication( KAFUnspec ); |
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560 HBufC8* indicationData( NULL ); |
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561 TInt consumingBindingInd( KErrNotFound ); |
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562 |
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563 // offer message for every binding in the stream until consumed |
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564 while ( ( KErrNotFound == consumingBindingInd ) && ( 0 <= index ) ) |
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565 { |
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566 if ( iBindings[index].iStreamId == aStreamId ) |
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567 { |
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568 CSTUNBinding* stunBinding = NULL; |
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569 stunBinding = |
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570 static_cast<CSTUNBinding*>( iBindings[index].iBinding ); |
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571 |
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572 TBool consumed( EFalse ); |
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573 if ( indicationData ) |
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574 { |
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575 stunBinding->HandleDataL( |
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576 *indicationData, consumed, peerAddrFromIndication ); |
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577 } |
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578 else |
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579 { |
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580 indicationData = stunBinding->HandleDataL( |
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581 aMessage, consumed, peerAddrFromIndication ); |
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582 } |
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583 |
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584 if ( consumed ) |
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585 { |
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586 consumingBindingInd = index; |
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587 aConsumed = ETrue; |
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588 } |
|
589 } |
|
590 |
|
591 index--; |
|
592 } |
|
593 |
|
594 if ( KErrNotFound != consumingBindingInd ) |
|
595 { |
|
596 iBindings[consumingBindingInd].iLocalAddr = aLocalAddr; |
|
597 iBindings[consumingBindingInd].iFromAddr = aFromAddr; |
|
598 |
|
599 if ( aPeerAddr.IsUnspecified() ) |
|
600 { |
|
601 if ( peerAddrFromIndication.IsUnspecified() ) |
|
602 { |
|
603 iBindings[consumingBindingInd].iPeerAddr = aFromAddr; |
|
604 } |
|
605 else |
|
606 { |
|
607 iBindings[consumingBindingInd].iPeerAddr |
|
608 = peerAddrFromIndication; |
|
609 } |
|
610 } |
|
611 else |
|
612 { |
|
613 iBindings[consumingBindingInd].iPeerAddr = aPeerAddr; |
|
614 } |
|
615 |
|
616 __ICEDP_ADDRLOG( |
|
617 "CIceConnectionHandler::IncomingMessageL BINDING PEERADDR", |
|
618 iBindings[consumingBindingInd].iPeerAddr ) |
|
619 |
|
620 // mapped address is filled when binding event occurs |
|
621 } |
|
622 |
|
623 delete indicationData; |
|
624 } |
|
625 |
|
626 |
|
627 // --------------------------------------------------------------------------- |
|
628 // From class MIceNatPluginEventObs. |
|
629 // CIceConnectionHandler::PluginEventOccured |
|
630 // --------------------------------------------------------------------------- |
|
631 // |
|
632 void CIceConnectionHandler::PluginEventOccured( |
|
633 const CNATFWPluginApi* /*aPlugin*/, TUint aStreamId, |
|
634 MIceNatPluginEventObs::TNatPluginEvent aEventCode, |
|
635 TInt aErrorCode, TAny* aEventData, TUint /*aStreamConnectionId*/, |
|
636 TUint /*aComponentId*/, TBool /*aIPv6After*/ ) |
|
637 { |
|
638 __ICEDP( "CIceConnectionHandler::PluginEventOccured" ) |
|
639 |
|
640 switch ( aEventCode ) |
|
641 { |
|
642 case MIceNatPluginEventObs::ESendingActivated: |
|
643 case MIceNatPluginEventObs::ESendingDeactivated: |
|
644 case MIceNatPluginEventObs::EReceivingActivated: |
|
645 case MIceNatPluginEventObs::EReceivingDeactivated: |
|
646 { |
|
647 iEventObserver.PluginEventOccured( NULL, aStreamId, |
|
648 aEventCode, aErrorCode, aEventData ); |
|
649 } |
|
650 break; |
|
651 |
|
652 default: |
|
653 __ICEDP( "CIceConnectionHandler::PluginEventOccured, DEFAULT" ) |
|
654 ASSERT( EFalse ); |
|
655 } |
|
656 } |
|
657 |
|
658 |
|
659 // --------------------------------------------------------------------------- |
|
660 // CIceConnectionHandler::FindBindingIndex |
|
661 // Private. For finding the right binding. |
|
662 // --------------------------------------------------------------------------- |
|
663 // |
|
664 TInt CIceConnectionHandler::FindBindingIndex( |
|
665 TUint aStreamId, TUint aConnectionId ) const |
|
666 { |
|
667 __ICEDP( "CIceConnectionHandler::FindBindingIndex" ) |
|
668 |
|
669 TInt index( iBindings.Count() - 1 ); |
|
670 while ( ( index >= 0 ) |
|
671 && !( ( iBindings[index].iStreamId == aStreamId ) |
|
672 && ( iBindings[index].iConnectionId == aConnectionId ) ) ) |
|
673 { |
|
674 index--; |
|
675 } |
|
676 |
|
677 return index; |
|
678 } |
|
679 |
|
680 |
|
681 // --------------------------------------------------------------------------- |
|
682 // CIceConnectionHandler::FindBindingIndex |
|
683 // Private. For finding the right binding. |
|
684 // --------------------------------------------------------------------------- |
|
685 // |
|
686 TInt CIceConnectionHandler::FindBindingIndex( |
|
687 const CBinding& aBinding ) const |
|
688 { |
|
689 TInt index( iBindings.Count() - 1 ); |
|
690 while ( ( index >= 0 ) && ( iBindings[index].iBinding != &aBinding ) ) |
|
691 { |
|
692 index--; |
|
693 } |
|
694 |
|
695 return index; |
|
696 } |
|
697 |
|
698 |
|
699 // --------------------------------------------------------------------------- |
|
700 // CIceConnectionHandler::FindBindingIndex |
|
701 // Private. For finding the right binding. |
|
702 // --------------------------------------------------------------------------- |
|
703 // |
|
704 TInt CIceConnectionHandler::FindBindingIndex( |
|
705 TUint aStreamId, TUint aConnectionId, |
|
706 const TInetAddr& aDestAddr ) const |
|
707 { |
|
708 __ICEDP( "CIceConnectionHandler::FindBindingIndex" ) |
|
709 |
|
710 TInt foundConnectionInd( KErrNotFound ); |
|
711 TInt index( iBindings.Count() - 1 ); |
|
712 while ( KErrNotFound == foundConnectionInd && 0 <= index ) |
|
713 { |
|
714 if ( ( iBindings[index].iStreamId == aStreamId ) && |
|
715 ( iBindings[index].iConnectionId == aConnectionId ) && |
|
716 ( TIceUtils::MatchAddresses( |
|
717 iBindings[index].iDestAddr, aDestAddr ) ) ) |
|
718 { |
|
719 foundConnectionInd = index; |
|
720 } |
|
721 |
|
722 index--; |
|
723 } |
|
724 |
|
725 return foundConnectionInd; |
|
726 } |
|
727 |
|
728 |
|
729 // --------------------------------------------------------------------------- |
|
730 // CIceConnectionHandler::SolvePluginL |
|
731 // Private. Solves plugin owning given candidate. |
|
732 // --------------------------------------------------------------------------- |
|
733 // |
|
734 CNATFWPluginApi* CIceConnectionHandler::SolvePluginL( |
|
735 const CNATFWCandidate& aLocalCandidate ) |
|
736 { |
|
737 CNATFWPluginApi* item( NULL ); |
|
738 switch ( aLocalCandidate.Type() ) |
|
739 { |
|
740 case CNATFWCandidate::EHost: |
|
741 case CNATFWCandidate::EPeerReflexive: |
|
742 // Host plugin is ICE instantiated object and can be resolved |
|
743 // with hardcoded id. Host plugin binds peer reflexive candidate |
|
744 // to the host connection when candidate is given to the plugin |
|
745 // first time. |
|
746 item = iPluginContainer.PluginByIdentifier( |
|
747 KNatPluginIdNokiaHost() ); |
|
748 break; |
|
749 |
|
750 case CNATFWCandidate::EServerReflexive: |
|
751 item = iPluginContainer.PluginByType( KNatPluginTypeStun() ); |
|
752 break; |
|
753 |
|
754 case CNATFWCandidate::ERelay: |
|
755 item = iPluginContainer.PluginByType( KNatPluginTypeTurn() ); |
|
756 break; |
|
757 |
|
758 default: |
|
759 ASSERT( EFalse ); |
|
760 } |
|
761 |
|
762 __ASSERT_ALWAYS( NULL != item, User::Leave( KErrNotFound ) ); |
|
763 return item; |
|
764 } |
|
765 |
|
766 |
|
767 // --------------------------------------------------------------------------- |
|
768 // CIceConnectionHandler::FreeResources |
|
769 // Private. Remove data from binding array. |
|
770 // --------------------------------------------------------------------------- |
|
771 // |
|
772 void CIceConnectionHandler::FreeResources() |
|
773 { |
|
774 __ICEDP( "CIceConnectionHandler::FreeResources" ) |
|
775 |
|
776 TInt count( iBindings.Count() ); |
|
777 for ( TInt i( 0 ); i < count; ++i ) |
|
778 { |
|
779 delete iBindings[i].iBinding; |
|
780 iBindings[i].iBinding = NULL; |
|
781 |
|
782 TRAP_IGNORE( |
|
783 iMultiplexer.UnregisterConnectionObserverL( |
|
784 iBindings[i].iStreamId, *this ) ) |
|
785 TRAP_IGNORE( |
|
786 iMultiplexer.UnregisterIncomingConnectionObserverL( |
|
787 iBindings[i].iStreamId, *this ) ) |
|
788 |
|
789 if ( EIceConnTypeHost == iBindings[i].iConnType ) |
|
790 { |
|
791 TRAP_IGNORE( |
|
792 iMultiplexer.RemoveConnectionL( |
|
793 iBindings[i].iStreamId, iBindings[i].iConnectionId ) ) |
|
794 } |
|
795 } |
|
796 |
|
797 iBindings.Close(); |
|
798 } |
|
799 |
|
800 |
|
801 // --------------------------------------------------------------------------- |
|
802 // CIceConnectionHandler::ExecuteCallbackL |
|
803 // Private. |
|
804 // --------------------------------------------------------------------------- |
|
805 // |
|
806 void CIceConnectionHandler::ExecuteCallbackL( TInt aIndex, TInt aError ) |
|
807 { |
|
808 __ICEDP( "CIceConnectionHandler::ExecuteCallbackL" ) |
|
809 |
|
810 iBindings[aIndex].iCheckOngoing = EFalse; |
|
811 __ASSERT_ALWAYS( NULL != iBindings[aIndex].iObserver, |
|
812 User::Leave( KErrNotReady ) ); |
|
813 |
|
814 iBindings[aIndex].iObserver->ConnCheckCompletedL( |
|
815 aError, |
|
816 iBindings[aIndex].iLocalAddr, |
|
817 iBindings[aIndex].iPeerAddr, |
|
818 iBindings[aIndex].iMappedAddr ); |
|
819 } |
|
820 |
|
821 |
|
822 // --------------------------------------------------------------------------- |
|
823 // CIceConnectionHandler::DoRemoveConnection |
|
824 // --------------------------------------------------------------------------- |
|
825 // |
|
826 void CIceConnectionHandler::DoRemoveConnection( |
|
827 TUint aStreamId, TUint aConnectionId, TBool aRemoveMuxConn ) |
|
828 { |
|
829 __ICEDP_INT1( "CIceConnectionHandler::DoRemoveConnection, start:", |
|
830 aRemoveMuxConn ) |
|
831 |
|
832 TInt index( FindBindingIndex( aStreamId, aConnectionId ) ); |
|
833 if ( KErrNotFound != index ) |
|
834 { |
|
835 if ( aRemoveMuxConn && |
|
836 EIceConnTypeHost == iBindings[index].iConnType ) |
|
837 { |
|
838 TRAP_IGNORE( |
|
839 iMultiplexer.RemoveConnectionL( |
|
840 iBindings[index].iStreamId, |
|
841 iBindings[index].iConnectionId ) ) |
|
842 } |
|
843 |
|
844 delete iBindings[index].iBinding; |
|
845 iBindings.Remove( index ); |
|
846 } |
|
847 |
|
848 __ICEDP( "CIceConnectionHandler::DoRemoveConnection, end" ) |
|
849 } |