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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: Controller class implementation |
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15 * |
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16 */ |
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17 |
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18 #include <sdpdocument.h> |
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19 #include <random.h> |
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20 #include <centralrepository.h> |
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21 #include <unsafprotocolscrkeys.h> |
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22 #include <e32math.h> |
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23 #include <badesca.h> |
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24 #include "natfwconnectivityapi.h" |
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25 #include "natfwcandidate.h" |
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26 #include "natfwcandidatepair.h" |
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27 #include "nspsessionobserver.h" |
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28 #include "nspcontroller.h" |
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29 #include "nspsession.h" |
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30 #include "nspevents.h" |
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31 #include "nspactive.h" |
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32 #include "nspcontentparser.h" |
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33 #include "nspdefs.h" |
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34 |
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35 // CONSTANTS |
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36 //_LIT8( KStun, "stun" ); |
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37 //_LIT8( KTurn, "turn" ); |
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38 _LIT8( KIce, "ice" ); |
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39 |
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40 _LIT8( KNSPCharStore, |
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41 "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ+/" ); |
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42 _LIT8( KNSPSingleDigit, "x" ); |
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43 |
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44 const TText8* const KComma = _S8( "," ); |
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45 const TUint KCommaLength = 1; |
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46 const TText8* const KDot = _S8( "." ); |
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47 |
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48 const TUint KNSPSingleDigitLength = 1; |
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49 const TUint KNSPUsernameMinLength = 4; |
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50 const TUint KNSPPasswordMinLength = 22; |
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51 const TUint KNSPVariationLength = 4; |
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52 const TUint KDefaultUpdateSdpTimerValue = 10; |
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53 |
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54 static TDesC8& TrimAll( HBufC8& aDes ) |
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55 { |
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56 TPtr8 ptr( aDes.Des() ); |
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57 ptr.TrimAll(); |
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58 return aDes; |
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59 } |
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60 |
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61 |
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62 // ======== MEMBER FUNCTIONS ======== |
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63 // --------------------------------------------------------------------------- |
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64 // CNSPController::CNSPController |
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65 // --------------------------------------------------------------------------- |
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66 // |
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67 CNSPController::CNSPController() |
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68 { |
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69 } |
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70 |
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71 |
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72 // --------------------------------------------------------------------------- |
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73 // CNSPController::ConstructL |
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74 // --------------------------------------------------------------------------- |
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75 // |
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76 void CNSPController::ConstructL() |
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77 { |
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78 NSPLOG_STR( "CNSPController::ConstructL(), Entry" ) |
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79 |
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80 iInterface = CNATFWConnectivityApi::NewL(); |
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81 iInterface->RegisterObserverForEventsL( |
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82 *this, MNATFWConnectivityObserver::EAllEvents ); |
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83 iContentParser = CNSPContentParser::NewL(); |
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84 iBase = Abs( static_cast<TInt>( Math::Random() ) ); |
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85 |
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86 NSPLOG_STR( "CNSPController::ConstructL(), Exit" ) |
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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 // CNSPController::NewL |
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92 // --------------------------------------------------------------------------- |
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93 // |
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94 CNSPController* CNSPController::NewL() |
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95 { |
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96 CNSPController* self = CNSPController::NewLC(); |
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97 CleanupStack::Pop( self ); |
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98 return self; |
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99 } |
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100 |
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101 |
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102 // --------------------------------------------------------------------------- |
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103 // CNSPController::NewLC |
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104 // --------------------------------------------------------------------------- |
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105 // |
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106 CNSPController* CNSPController::NewLC() |
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107 { |
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108 CNSPController* self = new ( ELeave ) CNSPController; |
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109 CleanupStack::PushL( self ); |
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110 self->ConstructL(); |
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111 return self; |
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112 } |
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113 |
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114 |
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115 // --------------------------------------------------------------------------- |
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116 // CNSPController::~CNSPController |
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117 // --------------------------------------------------------------------------- |
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118 // |
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119 CNSPController::~CNSPController() |
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120 { |
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121 NSPLOG_STR( "CNSPController::~CNSPController(), Entry" ) |
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122 |
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123 iActiveObjects.ResetAndDestroy(); |
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124 iActiveObjects.Close(); |
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125 iSessionArray.ResetAndDestroy(); |
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126 iSessionArray.Close(); |
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127 iClosingSessionArray.ResetAndDestroy(); |
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128 iClosingSessionArray.Close(); |
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129 delete iContentParser; |
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130 if ( iInterface ) |
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131 { |
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132 iInterface->UnregisterObserverForEvents( |
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133 *this, MNATFWConnectivityObserver::EAllEvents ); |
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134 } |
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135 delete iInterface; |
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136 |
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137 NSPLOG_STR( "CNSPController::~CNSPController(), Exit" ) |
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138 } |
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139 |
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140 |
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141 // --------------------------------------------------------------------------- |
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142 // CNSPController::EventOccured |
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143 // --------------------------------------------------------------------------- |
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144 // |
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145 void CNSPController::EventOccured( TUint aSessionId, TUint aStreamId, |
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146 TNATFWConnectivityEvent aEvent, TInt aError, TAny* aEventData ) |
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147 { |
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148 NSPLOG_STR( "CNSPController::EventOccured(), Entry" ) |
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149 |
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150 TInt index = FindSession( aSessionId ); |
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151 |
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152 if ( KErrNotFound != index ) |
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153 { |
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154 TEventReturnStatus status = iSessionArray[index]->EventOccured( |
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155 aStreamId, aEvent, aError, aEventData ); |
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156 Callback( *iSessionArray[index], status ); |
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157 } |
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158 else |
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159 { |
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160 index = FindClosingSession( aSessionId ); |
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161 |
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162 if ( KErrNotFound != index ) |
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163 { |
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164 TEventReturnStatus status = iClosingSessionArray[index]->EventOccured( |
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165 aStreamId, aEvent, aError, aEventData ); |
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166 |
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167 if ( NSP_DELETE( status.iStatus ) || NSP_ERROR( status.iStatus ) ) |
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168 { |
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169 delete iClosingSessionArray[index]; |
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170 iClosingSessionArray.Remove(index); |
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171 iClosingSessionArray.Close(); |
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172 RemoveActiveObjects( aSessionId ); |
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173 } |
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174 } |
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175 else |
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176 { |
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177 NSPLOG_STR( "CNSPController::EventOccured(), KErrNotFound" ) |
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178 NSPLOG_INT( "CNSPController::EventOccured(), error:", aError ) |
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179 } |
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180 } |
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181 |
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182 NSPLOG_STR( "CNSPController::EventOccured(), Exit" ) |
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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 // CNSPController::ContentParser |
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188 // --------------------------------------------------------------------------- |
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189 // |
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190 const CNSPContentParser& CNSPController::ContentParser() |
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191 { |
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192 return (*iContentParser); |
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193 } |
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194 |
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195 |
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196 // --------------------------------------------------------------------------- |
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197 // CNSPController::CreateSessionL |
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198 // --------------------------------------------------------------------------- |
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199 // |
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200 TUint CNSPController::CreateSessionL( TUint32 aIapId, const TDesC8& aDomain ) |
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201 { |
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202 return iInterface->CreateSessionL( aIapId, aDomain ); |
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203 } |
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204 |
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205 |
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206 // --------------------------------------------------------------------------- |
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207 // CNSPController::LoadPluginL |
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208 // --------------------------------------------------------------------------- |
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209 // |
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210 void CNSPController::LoadPluginL( TUint aSessionId, const CDesC8Array& aPlugins, |
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211 TInt& aPluginIndex ) |
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212 { |
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213 iInterface->LoadPluginL( aSessionId, aPlugins, aPluginIndex ); |
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214 } |
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215 |
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216 |
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217 // --------------------------------------------------------------------------- |
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218 // CNSPController::CreateStreamL |
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219 // --------------------------------------------------------------------------- |
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220 // |
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221 TUint CNSPController::CreateStreamL( TUint aSessionId, TUint aProtocol, TInt aQoS ) |
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222 { |
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223 return iInterface->CreateStreamL( aSessionId, aProtocol, aQoS ); |
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224 } |
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225 |
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226 |
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227 // --------------------------------------------------------------------------- |
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228 // CNSPController::CreateWrapperL |
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229 // --------------------------------------------------------------------------- |
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230 // |
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231 MNATFWSocketMediaConnWrapper& CNSPController::CreateWrapperL( |
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232 TUint aSessionId, TUint aStreamId ) |
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233 { |
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234 return iInterface->CreateWrapperL( aSessionId, aStreamId ); |
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235 } |
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236 |
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237 |
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238 // --------------------------------------------------------------------------- |
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239 // CNSPController::FetchCandidateL |
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240 // --------------------------------------------------------------------------- |
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241 // |
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242 void CNSPController::FetchCandidateL( TUint aSessionId, TUint aStreamId, |
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243 TUint aAddrFamily ) |
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244 { |
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245 iInterface->FetchCandidateL( aSessionId, aStreamId, aAddrFamily ); |
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246 } |
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247 |
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248 |
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249 // --------------------------------------------------------------------------- |
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250 // CNSPController::FetchCandidatesL |
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251 // --------------------------------------------------------------------------- |
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252 // |
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253 void CNSPController::FetchCandidatesL( TUint aSessionId, TUint aStreamId, |
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254 TUint aCollectionId, TUint aComponentId, TUint aAddrFamily ) |
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255 { |
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256 iInterface->FetchCandidatesL( aSessionId, aStreamId, |
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257 aCollectionId, aComponentId, aAddrFamily ); |
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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 // CNSPController::SetReceivingStateL |
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263 // --------------------------------------------------------------------------- |
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264 // |
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265 void CNSPController::SetReceivingStateL( const CNATFWCandidate& aLocalCand, |
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266 TNATFWStreamingState aState ) |
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267 { |
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268 iInterface->SetReceivingStateL( aLocalCand, aState ); |
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269 } |
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270 |
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271 |
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272 // --------------------------------------------------------------------------- |
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273 // CNSPController::SetSendingStateL |
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274 // --------------------------------------------------------------------------- |
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275 // |
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276 void CNSPController::SetSendingStateL( const CNATFWCandidate& aLocalCand, |
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277 TNATFWStreamingState aState, const TDesC8& aDestAddr, TUint aPort ) |
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278 { |
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279 iInterface->SetSendingStateL( aLocalCand, aState, aDestAddr, aPort ); |
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280 } |
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281 |
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282 |
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283 // --------------------------------------------------------------------------- |
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284 // CNSPController::SetRoleL |
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285 // --------------------------------------------------------------------------- |
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286 // |
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287 void CNSPController::SetRoleL( TUint aSessionId, TNATFWIceRole aRole ) |
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288 { |
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289 iInterface->SetRoleL( aSessionId, aRole ); |
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290 } |
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291 |
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292 |
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293 // --------------------------------------------------------------------------- |
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294 // CNSPController::SetCredentialsL |
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295 // --------------------------------------------------------------------------- |
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296 // |
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297 void CNSPController::SetCredentialsL( TUint aSessionId, TUint aStreamId, |
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298 const CNATFWCredentials& aCredentials ) |
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299 { |
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300 CNATFWCandidate* dummyCand = CNATFWCandidate::NewLC(); |
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301 dummyCand->SetSessionId( aSessionId ); |
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302 dummyCand->SetStreamId( aStreamId ); |
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303 iInterface->SetCredentialsL( *dummyCand, aCredentials ); |
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304 CleanupStack::PopAndDestroy( dummyCand ); |
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305 } |
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306 |
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307 |
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308 // --------------------------------------------------------------------------- |
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309 // CNSPController::PerformCandidateChecksL |
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310 // --------------------------------------------------------------------------- |
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311 // |
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312 void CNSPController::PerformCandidateChecksL( TUint aSessionId, |
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313 RPointerArray<CNATFWCandidate>& aRemoteCandidates ) |
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314 { |
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315 iInterface->PerformConnectivityChecksL( aSessionId, aRemoteCandidates ); |
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316 } |
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317 |
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318 |
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319 // --------------------------------------------------------------------------- |
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320 // CNSPController::UpdateIceProcessingL |
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321 // --------------------------------------------------------------------------- |
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322 // |
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323 void CNSPController::UpdateIceProcessingL( TUint aSessionId, |
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324 RPointerArray<CNATFWCandidate>& aNewRemoteCands ) |
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325 { |
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326 iInterface->UpdateIceProcessingL( aSessionId, aNewRemoteCands ); |
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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 // CNSPController::CloseStreamL |
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332 // --------------------------------------------------------------------------- |
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333 // |
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334 void CNSPController::CloseStreamL( TUint aSessionId, TUint aStreamId ) |
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335 { |
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336 iInterface->CloseStreamL( aSessionId, aStreamId ); |
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337 } |
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338 |
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339 |
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340 // --------------------------------------------------------------------------- |
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341 // CNSPController::CloseSessionL |
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342 // --------------------------------------------------------------------------- |
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343 // |
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344 void CNSPController::CloseSessionL( TUint aSessionId ) |
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345 { |
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346 iInterface->CloseSessionL( aSessionId ); |
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347 } |
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348 |
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349 |
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350 // --------------------------------------------------------------------------- |
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351 // CNSPController::CreateUniqueId |
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352 // --------------------------------------------------------------------------- |
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353 // |
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354 TUint CNSPController::CreateUniqueId() |
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355 { |
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356 return (iBase++); |
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357 } |
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358 |
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359 |
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360 // --------------------------------------------------------------------------- |
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361 // CNSPController::OrderTimeoutL |
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362 // --------------------------------------------------------------------------- |
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363 // |
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364 TUint CNSPController::OrderTimeoutL( TUint aSessionId, TUint aStreamId, |
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365 MNATFWConnectivityObserver::TNATFWConnectivityEvent aEvent, |
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366 TUint aTimerInMicroSeconds ) |
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367 { |
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368 CNSPActive* callback = NULL; |
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369 const TInt index = FindSession( aSessionId ); |
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370 const TUint transactionId = CreateUniqueId(); |
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371 |
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372 if ( KErrNotFound != index ) |
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373 { |
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374 TRAPD( error, callback = CNSPActive::NewL( *this, |
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375 aSessionId, aStreamId, transactionId, aEvent, |
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376 aTimerInMicroSeconds, NULL ) ); |
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377 |
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378 User::LeaveIfError( error ); |
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379 error = iActiveObjects.Append( callback ); |
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380 |
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381 if ( KErrNone != error ) |
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382 { |
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383 delete callback; |
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384 User::LeaveIfError( error ); |
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385 } |
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386 } |
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387 else |
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388 { |
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389 User::Leave( KErrNotFound ); |
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390 } |
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391 |
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392 return transactionId; |
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393 } |
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394 |
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395 |
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396 // --------------------------------------------------------------------------- |
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397 // CNSPController::OrderUpdateSdpL |
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398 // --------------------------------------------------------------------------- |
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399 // |
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400 TUint CNSPController::OrderUpdateSdpL( TUint aSessionId, CSdpDocument* aDoc ) |
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401 { |
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402 CNSPActive* callback = NULL; |
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403 const TInt index = FindSession( aSessionId ); |
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404 const TUint transactionId = CreateUniqueId(); |
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405 |
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406 if ( KErrNotFound != index ) |
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407 { |
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408 CleanupStack::PushL( aDoc ); |
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409 callback = CNSPActive::NewL( *this, |
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410 aSessionId, (TUint) KErrNone, transactionId, |
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411 (MNATFWConnectivityObserver::TNATFWConnectivityEvent) KErrNone, |
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412 KDefaultUpdateSdpTimerValue, aDoc ); |
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413 CleanupStack::Pop( aDoc ); |
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414 CleanupStack::PushL( callback ); |
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415 |
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416 iActiveObjects.AppendL( callback ); |
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417 CleanupStack::Pop( callback ); |
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418 } |
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419 else |
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420 { |
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421 User::Leave( KErrNotFound ); |
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422 } |
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423 |
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424 return transactionId; |
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425 } |
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426 |
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427 |
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428 // --------------------------------------------------------------------------- |
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429 // CNSPController::Cancel |
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430 // --------------------------------------------------------------------------- |
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431 // |
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432 void CNSPController::Cancel( TUint aTransactionId ) |
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433 { |
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434 const TInt index = FindActiveObject( aTransactionId ); |
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435 |
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436 if ( KErrNotFound != index ) |
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437 { |
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438 iActiveObjects[index]->Cancel(); |
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439 delete (iActiveObjects[index]); |
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440 iActiveObjects.Remove(index); |
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441 iActiveObjects.Compress(); |
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442 } |
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443 } |
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444 |
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445 |
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446 // --------------------------------------------------------------------------- |
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447 // CNSPController::GenerateUsernameL |
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448 // --------------------------------------------------------------------------- |
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449 // |
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450 void CNSPController::GenerateUsernameL( TDes8& aUsername ) |
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451 { |
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452 aUsername.Zero(); |
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453 |
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454 TInt newlength = KNSPUsernameMinLength + |
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455 RandomByteL() % KNSPVariationLength; |
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456 __ASSERT_ALWAYS( aUsername.MaxLength() >= newlength, |
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457 User::Leave( KErrArgument ) ); |
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458 |
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459 for ( TInt index = 0; index < newlength; index++ ) |
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460 { |
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461 aUsername.Append( KNSPCharStore()[ |
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462 RandomByteL() % KNSPCharStore().Length() ] ); |
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463 } |
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464 } |
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465 |
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466 |
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467 // --------------------------------------------------------------------------- |
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468 // CNSPController::GeneratePasswordL |
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469 // --------------------------------------------------------------------------- |
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470 // |
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471 void CNSPController::GeneratePasswordL( TDes8& aPassword ) |
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472 { |
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473 aPassword.Zero(); |
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474 |
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475 TInt newlength = KNSPPasswordMinLength + |
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476 RandomByteL() % KNSPVariationLength; |
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477 __ASSERT_ALWAYS( aPassword.MaxLength() >= newlength, |
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478 User::Leave( KErrArgument ) ); |
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479 |
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480 for ( TInt index = 0; index < newlength; index++ ) |
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481 { |
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482 aPassword.Append( KNSPCharStore()[ |
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483 RandomByteL() % KNSPCharStore().Length() ] ); |
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484 } |
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485 } |
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486 |
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487 |
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488 // --------------------------------------------------------------------------- |
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489 // CNSPController::NewSessionL |
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490 // --------------------------------------------------------------------------- |
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491 // |
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492 TUint CNSPController::NewSessionL( MNSPSessionObserver& aSessionObserver, |
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493 TUint32 aIapId, const TDesC8& aDomain, TUint aProtocol ) |
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494 { |
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495 NSPLOG_STR( "CNSPController::NewSessionL(), Entry" ) |
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496 |
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497 CNSPSession* session = CNSPSession::NewLC( *this, |
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498 aSessionObserver, aIapId, aDomain, aProtocol ); |
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499 session->SetUseIce( UseIceL( session->Plugins(), aDomain ) ); |
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500 User::LeaveIfError( iSessionArray.Append( session ) ); |
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501 CleanupStack::Pop( session ); |
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502 |
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503 NSPLOG_STR( "CNSPController::NewSessionL(), Exit" ) |
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504 return session->SessionId(); |
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505 } |
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506 |
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507 |
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508 // --------------------------------------------------------------------------- |
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509 // CNSPController::CloseSessionL |
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510 // --------------------------------------------------------------------------- |
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511 // |
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512 void CNSPController::ClosingSessionL( TUint aSessionId ) |
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513 { |
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514 const TInt index = FindSession( aSessionId ); |
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515 |
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516 if ( KErrNotFound != index ) |
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517 { |
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518 CNSPSession* session = iSessionArray[index]; |
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519 iSessionArray.Remove(index); |
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520 iSessionArray.Compress(); |
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521 |
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522 CleanupStack::PushL( session ); |
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523 TNatReturnStatus status = session->CloseSessionL(); |
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524 |
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525 if ( KNatReady == status ) |
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526 { |
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527 CleanupStack::Pop( session ); |
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528 delete session; |
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529 } |
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530 else |
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531 { |
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532 iClosingSessionArray.AppendL( session );// ownership changed |
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533 CleanupStack::Pop( session ); |
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534 } |
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535 } |
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536 else |
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537 { |
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538 NSPLOG_STR( "CNSPController::CloseSessionL(), KErrNotFound" ) |
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539 User::Leave( KErrNotFound ); |
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540 } |
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541 } |
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542 |
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543 |
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544 // --------------------------------------------------------------------------- |
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545 // CNSPController::FindSessionObject |
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546 // --------------------------------------------------------------------------- |
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547 // |
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548 CNSPSession& CNSPController::FindSessionObjectL( TUint aSessionId ) |
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549 { |
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550 const TInt index = FindSession( aSessionId ); |
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551 |
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552 if ( KErrNotFound == index ) |
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553 { |
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554 NSPLOG_STR( "CNSPController::FindSessionObjectL(), KErrNotFound" ) |
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555 User::Leave( KErrNotFound ); |
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556 } |
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557 |
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558 return *iSessionArray[index]; |
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559 } |
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560 |
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561 |
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562 // --------------------------------------------------------------------------- |
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563 // CNSPController::FindSession |
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564 // --------------------------------------------------------------------------- |
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565 // |
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566 TInt CNSPController::FindSession( TUint aSessionId ) |
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567 { |
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568 const TInt sessionCount( iSessionArray.Count() ); |
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569 for ( TInt index = 0; index < sessionCount; index++ ) |
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570 { |
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571 if ( iSessionArray[index]->SessionId() == aSessionId ) |
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572 { |
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573 return index; |
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574 } |
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575 } |
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576 |
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577 return KErrNotFound; |
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578 } |
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579 |
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580 |
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581 // --------------------------------------------------------------------------- |
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582 // CNSPController::FindClosingSession |
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583 // --------------------------------------------------------------------------- |
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584 // |
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585 TInt CNSPController::FindClosingSession( TUint aSessionId ) |
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586 { |
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587 const TInt sessionCount( iClosingSessionArray.Count() ); |
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588 for ( TInt index = 0; index < sessionCount; index++ ) |
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589 { |
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590 if ( iClosingSessionArray[index]->SessionId() == aSessionId ) |
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591 { |
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592 return index; |
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593 } |
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594 } |
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595 |
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596 return KErrNotFound; |
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597 } |
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598 |
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599 |
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600 // --------------------------------------------------------------------------- |
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601 // CNSPController::FindActiveObject |
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602 // --------------------------------------------------------------------------- |
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603 // |
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604 TInt CNSPController::FindActiveObject( TUint aTransactionId ) |
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605 { |
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606 if( aTransactionId != 0 ) |
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607 { |
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608 const TInt activeObjectsCount( iActiveObjects.Count() ); |
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609 for ( TInt index = 0 ; index < activeObjectsCount; index++ ) |
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610 { |
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611 if ( iActiveObjects[index]->TransactionId() == aTransactionId ) |
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612 { |
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613 return index; |
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614 } |
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615 } |
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616 } |
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617 return KErrNotFound; |
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618 } |
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619 |
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620 |
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621 // --------------------------------------------------------------------------- |
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622 // CNSPController::RemoveActiveObjects |
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623 // --------------------------------------------------------------------------- |
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624 // |
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625 void CNSPController::RemoveActiveObjects( TUint aSessionId ) |
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626 { |
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627 const TInt activeObjectsCount( iActiveObjects.Count() ); |
|
628 for ( TInt index = 0 ; index < activeObjectsCount; index++ ) |
|
629 { |
|
630 if ( iActiveObjects[index]->SessionId() == aSessionId ) |
|
631 { |
|
632 iActiveObjects[index]->Cancel(); |
|
633 delete (iActiveObjects[index]); |
|
634 iActiveObjects.Remove(index); |
|
635 iActiveObjects.Compress(); |
|
636 } |
|
637 } |
|
638 } |
|
639 |
|
640 |
|
641 // --------------------------------------------------------------------------- |
|
642 // CNSPController::RandomByteL |
|
643 // --------------------------------------------------------------------------- |
|
644 // |
|
645 TUint8 CNSPController::RandomByteL() const |
|
646 { |
|
647 TBuf8< KNSPSingleDigitLength > buffer( KNSPSingleDigit ); |
|
648 GenerateRandomBytesL( buffer ); // random byte received, as TDes8 |
|
649 return static_cast< TUint8 >( buffer[0] ); |
|
650 } |
|
651 |
|
652 |
|
653 // --------------------------------------------------------------------------- |
|
654 // CNSPController::UseIceL |
|
655 // --------------------------------------------------------------------------- |
|
656 // |
|
657 TBool CNSPController::UseIceL( CDesC8Array& aArray, const TDesC8& aDomain ) const |
|
658 { |
|
659 CRepository* cenrep = CRepository::NewLC( KCRUidUNSAFProtocols ); |
|
660 |
|
661 RArray<TUint32> keys; |
|
662 CleanupClosePushL( keys ); |
|
663 |
|
664 User::LeaveIfError( cenrep->FindEqL( KUNSAFProtocolsDomainMask, |
|
665 KUNSAFProtocolsFieldTypeMask, aDomain, keys ) ); |
|
666 __ASSERT_ALWAYS( keys.Count(), User::Leave( KErrNotFound ) ); |
|
667 |
|
668 TUint32 currentDomainKey = KErrNone; |
|
669 currentDomainKey = KUNSAFProtocolsDomainMask^keys[0]; |
|
670 currentDomainKey |= KUNSAFProtocolsUsedNATProtocolMask; |
|
671 |
|
672 TBuf8<1> tmp; |
|
673 TInt actualLength( 0 ); |
|
674 cenrep->Get( currentDomainKey, tmp, actualLength ); // ret KErrOverFlow |
|
675 |
|
676 if ( 0 < actualLength ) |
|
677 { |
|
678 HBufC8* protocol = HBufC8::NewLC( actualLength ); |
|
679 TPtr8 ptr( protocol->Des() ); |
|
680 User::LeaveIfError( cenrep->Get( currentDomainKey, ptr ) ); |
|
681 ReplaceArrayL( aArray, protocol->Des() ); // leave if empty |
|
682 CleanupStack::PopAndDestroy( protocol ); |
|
683 } |
|
684 else |
|
685 { |
|
686 User::Leave( KErrNotFound ); |
|
687 } |
|
688 |
|
689 CleanupStack::PopAndDestroy(); // keys |
|
690 CleanupStack::PopAndDestroy( cenrep ); |
|
691 |
|
692 return IsIce( aArray.MdcaPoint( 0 ) ); |
|
693 } |
|
694 |
|
695 |
|
696 // --------------------------------------------------------------------------- |
|
697 // CNSPController::ReplaceArrayL |
|
698 // --------------------------------------------------------------------------- |
|
699 // |
|
700 void CNSPController::ReplaceArrayL( CDesC8Array& aDesArray, |
|
701 const TDesC8& aString ) const |
|
702 { |
|
703 aDesArray.Reset(); |
|
704 TPtrC8 ptr( TrimAll( *( aString.AllocLC() ) ) ); |
|
705 |
|
706 while ( ptr.Length() ) |
|
707 { |
|
708 const TInt length = ptr.Length(); |
|
709 const TInt index = ptr.Find( TPtrC8( KComma ) ); |
|
710 const TInt left = KErrNotFound != index ? index : length; |
|
711 const TInt right = ( length - KCommaLength ) - left; |
|
712 aDesArray.AppendL( TrimAll( *( ptr.Left( left ).AllocLC() ) ) ); |
|
713 CleanupStack::PopAndDestroy(); |
|
714 ptr.Set( ptr.Right( 0 < right ? right : 0 ) ); |
|
715 } |
|
716 |
|
717 CleanupStack::PopAndDestroy(); |
|
718 User::LeaveIfError( aDesArray.Count() ? KErrNone : KErrArgument ); |
|
719 } |
|
720 |
|
721 |
|
722 // --------------------------------------------------------------------------- |
|
723 // CNSPController::RemoveIce |
|
724 // --------------------------------------------------------------------------- |
|
725 // |
|
726 void CNSPController::RemoveIce( CDesC8Array& aDesArray ) const |
|
727 { |
|
728 for ( TInt index = 0; index < aDesArray.MdcaCount(); ) |
|
729 { |
|
730 if ( IsIce( aDesArray.MdcaPoint( index ) ) ) |
|
731 { |
|
732 aDesArray.Delete( index ); |
|
733 aDesArray.Compress(); |
|
734 } |
|
735 else |
|
736 { |
|
737 index++; |
|
738 } |
|
739 } |
|
740 } |
|
741 |
|
742 |
|
743 // --------------------------------------------------------------------------- |
|
744 // CNSPController::IsIce |
|
745 // --------------------------------------------------------------------------- |
|
746 // |
|
747 TBool CNSPController::IsIce( const TDesC8& aProtocol ) const |
|
748 { |
|
749 TInt index = aProtocol.Find( TPtrC8( KDot ) ); |
|
750 |
|
751 if ( KErrNotFound != index ) |
|
752 { |
|
753 const TInt right = ( aProtocol.Length() - index ) - KCommaLength; |
|
754 TPtrC8 ptr( aProtocol.Right( 0 < right ? right : 0 ) ); |
|
755 return ( !ptr.CompareF( KIce() ) ? ETrue : EFalse ); |
|
756 } |
|
757 else |
|
758 { |
|
759 return EFalse; |
|
760 } |
|
761 } |
|
762 |
|
763 |
|
764 // --------------------------------------------------------------------------- |
|
765 // CNSPController::Callback |
|
766 // --------------------------------------------------------------------------- |
|
767 // |
|
768 void CNSPController::Callback( const CNSPSession& aSession, |
|
769 TEventReturnStatus& aCallback ) const |
|
770 { |
|
771 switch ( aCallback.iType ) |
|
772 { |
|
773 case TEventReturnStatus::ENone: |
|
774 { |
|
775 // NOP |
|
776 break; |
|
777 } |
|
778 |
|
779 case TEventReturnStatus::EInitialized: |
|
780 { |
|
781 ExecuteInitialized( aSession ); |
|
782 break; |
|
783 } |
|
784 |
|
785 case TEventReturnStatus::EOfferReady: |
|
786 { |
|
787 ExecuteOfferReady( aSession, aCallback.iOffer ); |
|
788 break; |
|
789 } |
|
790 |
|
791 case TEventReturnStatus::EAnswerReady: |
|
792 { |
|
793 ExecuteAnswerReady( aSession, aCallback.iAnswer ); |
|
794 break; |
|
795 } |
|
796 |
|
797 case TEventReturnStatus::EUpdateSdp: |
|
798 { |
|
799 ExecuteUpdateSdp( aSession, aCallback.iOffer ); |
|
800 break; |
|
801 } |
|
802 |
|
803 case TEventReturnStatus::EError: |
|
804 { |
|
805 ExecuteErrorOccurred( aSession, aCallback.iStatus ); |
|
806 break; |
|
807 } |
|
808 |
|
809 default: |
|
810 { |
|
811 // NOP |
|
812 } |
|
813 } |
|
814 } |
|
815 |
|
816 |
|
817 // --------------------------------------------------------------------------- |
|
818 // CNSPController::ExecuteInitialized |
|
819 // --------------------------------------------------------------------------- |
|
820 // |
|
821 void CNSPController::ExecuteInitialized( const CNSPSession& aSession ) const |
|
822 { |
|
823 MNSPSessionObserver& observer = aSession.SessionObserver(); |
|
824 TUint sessionId = aSession.SessionId(); |
|
825 |
|
826 NSP_OUTPUT_INITIALIZED |
|
827 observer.Initialized( sessionId ); |
|
828 } |
|
829 |
|
830 |
|
831 // --------------------------------------------------------------------------- |
|
832 // CNSPController::ExecuteOfferReady |
|
833 // --------------------------------------------------------------------------- |
|
834 // |
|
835 void CNSPController::ExecuteOfferReady( const CNSPSession& aSession, |
|
836 CSdpDocument* aOffer ) const |
|
837 { |
|
838 MNSPSessionObserver& observer = aSession.SessionObserver(); |
|
839 TUint sessionId = aSession.SessionId(); |
|
840 |
|
841 if ( aOffer ) |
|
842 { |
|
843 NSP_OUTPUT_OFFER( KNatReady, *aOffer ) |
|
844 observer.OfferReady( sessionId, aOffer ); |
|
845 } |
|
846 else |
|
847 { |
|
848 ExecuteErrorOccurred( aSession, KErrTotalLossOfPrecision ); |
|
849 } |
|
850 } |
|
851 |
|
852 |
|
853 // --------------------------------------------------------------------------- |
|
854 // CNSPController::ExecuteAnswerReady |
|
855 // --------------------------------------------------------------------------- |
|
856 // |
|
857 void CNSPController::ExecuteAnswerReady( const CNSPSession& aSession, |
|
858 CSdpDocument* aAnswer ) const |
|
859 { |
|
860 MNSPSessionObserver& observer = aSession.SessionObserver(); |
|
861 TUint sessionId = aSession.SessionId(); |
|
862 |
|
863 if ( aAnswer ) |
|
864 { |
|
865 NSP_OUTPUT_ANSWER( KNatReady, *aAnswer ) |
|
866 observer.AnswerReady( sessionId, aAnswer ); |
|
867 } |
|
868 else |
|
869 { |
|
870 ExecuteErrorOccurred( aSession, KErrTotalLossOfPrecision ); |
|
871 } |
|
872 } |
|
873 |
|
874 |
|
875 // --------------------------------------------------------------------------- |
|
876 // CNSPController::ExecuteUpdateSdp |
|
877 // --------------------------------------------------------------------------- |
|
878 // |
|
879 void CNSPController::ExecuteUpdateSdp( const CNSPSession& aSession, |
|
880 CSdpDocument* aOffer ) const |
|
881 { |
|
882 MNSPSessionObserver& observer = aSession.SessionObserver(); |
|
883 TUint sessionId = aSession.SessionId(); |
|
884 |
|
885 if ( aOffer ) |
|
886 { |
|
887 NSP_OUTPUT_UPDATESDP( KNatReady, *aOffer ) |
|
888 observer.UpdateSdp( sessionId, aOffer ); |
|
889 } |
|
890 else |
|
891 { |
|
892 ExecuteErrorOccurred( aSession, KErrTotalLossOfPrecision ); |
|
893 } |
|
894 } |
|
895 |
|
896 |
|
897 // --------------------------------------------------------------------------- |
|
898 // CNSPController::ExecuteErrorOccurred |
|
899 // --------------------------------------------------------------------------- |
|
900 // |
|
901 void CNSPController::ExecuteErrorOccurred( |
|
902 const CNSPSession& aSession, TInt aError ) const |
|
903 { |
|
904 MNSPSessionObserver& observer = aSession.SessionObserver(); |
|
905 TUint sessionId = aSession.SessionId(); |
|
906 |
|
907 NSP_OUTPUT_ERROR( aError ) |
|
908 |
|
909 if ( KErrCommsLineFail == aError ) |
|
910 { |
|
911 observer.IcmpErrorOccurred( sessionId, aError ); |
|
912 } |
|
913 else |
|
914 { |
|
915 observer.ErrorOccurred( sessionId, aError ); |
|
916 } |
|
917 } |
|
918 |
|
919 // end of file |