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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 "mncmconnectionmultiplexer.h" |
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22 #include <e32std.h> |
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23 #include <e32base.h> |
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24 #include "natfwcandidate.h" |
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25 #include "natfwconnectionhandler.h" |
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26 |
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27 #include "natfwpluginlogs.h" |
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28 #include "natfwcandidate.h" |
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29 #include "natfwcandidatepair.h" |
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30 #include "mnatfwpluginobserver.h" |
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31 |
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32 const TUint32 KErrorTestAddress = INET_ADDR( 255, 255, 255, 255 ); |
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33 const TUint32 KLocalAddress = INET_ADDR( 100, 100, 100, 100 ); |
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34 const TUint KLocalPort = 1000; |
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35 const TUint KTimerVal = 1000000; //1000ms |
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36 |
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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 // Symbian constructor |
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43 // --------------------------------------------------------------------------- |
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44 // |
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45 CNATFWConnectionHandler* CNATFWConnectionHandler::NewL( |
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46 MNATFWPluginObserver* aPluginObserver, CNATFWPluginApi& aPlugin ) |
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47 { |
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48 __NATPLUGIN( "CNATFWConnectionHandler::NewL" ) |
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49 CNATFWConnectionHandler* self = |
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50 new( ELeave ) CNATFWConnectionHandler( aPluginObserver, aPlugin ); |
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51 CleanupStack::PushL( self ); |
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52 self->ConstructL(); |
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53 CleanupStack::Pop( self ); |
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54 return self; |
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55 } |
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56 |
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57 // --------------------------------------------------------------------------- |
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58 // C++ default constructor |
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59 // --------------------------------------------------------------------------- |
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60 // |
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61 CNATFWConnectionHandler::CNATFWConnectionHandler( |
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62 MNATFWPluginObserver* aPluginObserver, |
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63 CNATFWPluginApi& aPlugin ) : |
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64 iPluginObserver(aPluginObserver), iPlugin( aPlugin ), |
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65 CActive( CActive::EPriorityStandard ) |
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66 { |
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67 CActiveScheduler::Add( this ); |
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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 // Destructor |
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73 // --------------------------------------------------------------------------- |
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74 // |
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75 CNATFWConnectionHandler::~CNATFWConnectionHandler() |
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76 { |
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77 delete iDomain; |
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78 iConnMux = NULL; |
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79 delete iCandidate; |
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80 delete iCandidatePair; |
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81 Cancel(); |
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82 iTimer.Cancel(); |
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83 iTimer.Close(); |
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84 |
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85 } |
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86 |
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87 |
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88 // --------------------------------------------------------------------------- |
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89 // Symbian constructor |
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90 // Creates NATFWStunConnectionHandler. |
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91 // --------------------------------------------------------------------------- |
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92 // |
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93 void CNATFWConnectionHandler::ConstructL( ) |
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94 { |
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95 User ::LeaveIfError(iTimer.CreateLocal()) ; |
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96 } |
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97 |
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98 |
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99 // --------------------------------------------------------------------------- |
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100 // Initializes STUN Connection Handler. |
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101 // --------------------------------------------------------------------------- |
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102 // |
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103 void CNATFWConnectionHandler::PluginInitializeL( |
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104 TUint32 aIapId, |
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105 const TDesC8& aDomain, |
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106 MNcmConnectionMultiplexer& aMultiplexer ) |
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107 { |
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108 iConnMux = &aMultiplexer; |
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109 iDomain = aDomain.AllocL(); |
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110 iIapId = aIapId; |
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111 } |
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112 |
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113 // --------------------------------------------------------------------------- |
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114 // NAT FW Client calls to fetch candidate. Forwards request to |
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115 // Stun Connection Handler. |
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116 // --------------------------------------------------------------------------- |
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117 // |
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118 void CNATFWConnectionHandler::FetchCandidateL( TUint aStreamId ) |
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119 { |
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120 iStreamId = aStreamId; |
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121 |
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122 iState = EFetchCandidate; |
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123 |
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124 TInetAddr publicAddr( KLocalAddress, KLocalPort ); |
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125 |
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126 delete iCandidate; |
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127 iCandidate = NULL; |
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128 |
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129 iCandidate = CNATFWCandidate::NewL(); |
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130 |
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131 //Set candidate parameters |
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132 iCandidate->SetStreamId( aStreamId ); |
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133 iCandidate->SetType( CNATFWCandidate::EServerReflexive ); |
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134 iCandidate->SetTransportAddrL( publicAddr ); |
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135 |
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136 if ( iFetchQueue == 0 ) |
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137 { |
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138 iTimer.After( iStatus, TTimeIntervalMicroSeconds32( KTimerVal ) ); |
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139 SetActive(); |
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140 } |
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141 iFetchQueue++; |
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142 } |
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143 |
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144 |
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145 // --------------------------------------------------------------------------- |
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146 // CNATFWConnectionHandler::FetchCandidatesL |
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147 // --------------------------------------------------------------------------- |
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148 // |
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149 void CNATFWConnectionHandler::FetchCandidatesL( TUint aStreamId ) |
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150 { |
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151 iStreamId = aStreamId; |
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152 |
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153 iState = EFetchCandidates; |
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154 |
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155 TInetAddr publicAddr( KLocalAddress, KLocalPort ); |
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156 |
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157 delete iCandidate; |
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158 iCandidate = NULL; |
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159 |
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160 iCandidate = CNATFWCandidate::NewL(); |
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161 |
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162 //Set candidate parameters |
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163 iCandidate->SetStreamId( aStreamId ); |
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164 iCandidate->SetType( CNATFWCandidate::EServerReflexive ); |
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165 iCandidate->SetTransportAddrL( publicAddr ); |
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166 |
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167 iTimer.After( iStatus, TTimeIntervalMicroSeconds32( KTimerVal ) ); |
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168 SetActive(); |
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169 } |
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170 |
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171 |
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172 // --------------------------------------------------------------------------- |
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173 // CNATFWConnectionHandler::PerformConnectivityChecksL |
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174 // --------------------------------------------------------------------------- |
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175 // |
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176 void CNATFWConnectionHandler::PerformConnectivityChecksL() |
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177 { |
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178 const TUint KStreamId = 99; |
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179 |
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180 iStreamId = KStreamId; |
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181 TInetAddr publicAddr( KLocalAddress, KLocalPort ); |
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182 |
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183 iState = EConnectivityChecks; |
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184 |
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185 CNATFWCandidate* remoteCand = CNATFWCandidate::NewLC(); |
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186 CNATFWCandidate* localCand = CNATFWCandidate::NewLC(); |
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187 |
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188 //Set candidate parameters |
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189 remoteCand->SetStreamId( KStreamId ); |
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190 remoteCand->SetType( CNATFWCandidate::EServerReflexive ); |
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191 remoteCand->SetTransportAddrL( publicAddr ); |
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192 |
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193 localCand->SetStreamId( KStreamId ); |
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194 localCand->SetType( CNATFWCandidate::EServerReflexive ); |
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195 localCand->SetTransportAddrL( publicAddr ); |
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196 |
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197 delete iCandidatePair; |
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198 iCandidatePair = NULL; |
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199 |
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200 iCandidatePair = CNATFWCandidatePair::NewL( *localCand, *remoteCand ); |
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201 |
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202 CleanupStack::PopAndDestroy( 2 ); |
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203 |
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204 iTimer.After( iStatus, TTimeIntervalMicroSeconds32( KTimerVal ) ); |
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205 SetActive(); |
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206 } |
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207 |
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208 |
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209 // --------------------------------------------------------------------------- |
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210 // Connect. Not in use. |
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211 // --------------------------------------------------------------------------- |
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212 // |
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213 void CNATFWConnectionHandler::ConnectL() |
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214 { |
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215 User::Leave( KErrNotSupported ); |
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216 } |
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217 |
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218 |
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219 // --------------------------------------------------------------------------- |
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220 // Notifies the Plug-in's client of stream's current sending status. |
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221 // --------------------------------------------------------------------------- |
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222 // |
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223 void CNATFWConnectionHandler::SetReceivingStateL( TUint aStreamId, |
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224 TNATFWStreamingState aState ) |
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225 { |
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226 iStreamId = aStreamId; |
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227 iStreamingStatus = aState; |
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228 iState = ESetReceivingState; |
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229 |
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230 iTimer.After( iStatus, TTimeIntervalMicroSeconds32( KTimerVal ) ); |
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231 SetActive(); |
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232 } |
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233 |
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234 |
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235 // --------------------------------------------------------------------------- |
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236 // Notifies the Plug-in's client of stream's current sending status. |
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237 // --------------------------------------------------------------------------- |
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238 // |
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239 void CNATFWConnectionHandler::SetSendingStateL( TUint aStreamId, |
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240 const TInetAddr& aDestAddr, |
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241 TNATFWStreamingState aState ) |
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242 { |
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243 iStreamId = aStreamId; |
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244 iStreamingStatus = aState; |
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245 |
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246 if ( KErrorTestAddress == aDestAddr.Address() ) |
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247 { |
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248 iState = EErrorTestAddress; |
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249 } |
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250 else |
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251 { |
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252 iState = ESetSendingState; |
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253 } |
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254 |
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255 iTimer.After( iStatus, TTimeIntervalMicroSeconds32( KTimerVal ) ); |
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256 SetActive(); |
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257 } |
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258 |
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259 // --------------------------------------------------------------------------- |
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260 // CNATFWConnectionHandler::RunL |
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261 // --------------------------------------------------------------------------- |
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262 // |
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263 void CNATFWConnectionHandler::RunL() |
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264 { |
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265 switch( iState ) |
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266 { |
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267 case EFetchCandidate: |
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268 iPluginObserver->NewLocalCandidateFound( iPlugin, iCandidate ); |
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269 iPluginObserver->Notify( iPlugin, iStreamId, |
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270 MNATFWPluginObserver::EFetchingCompleted, KErrNone ); |
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271 |
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272 iFetchQueue--; |
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273 |
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274 if ( iFetchQueue > 0 ) |
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275 { |
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276 iTimer.After( iStatus, |
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277 TTimeIntervalMicroSeconds32( KTimerVal ) ); |
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278 SetActive(); |
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279 iState = EFetchCandidate; |
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280 } |
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281 else |
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282 { |
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283 iState = EIdle; |
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284 } |
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285 break; |
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286 |
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287 case EFetchCandidates: |
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288 iPluginObserver->NewLocalCandidateFound( iPlugin, iCandidate ); |
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289 iPluginObserver->Notify( iPlugin, iStreamId, |
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290 MNATFWPluginObserver::EFetchingCompleted, KErrNone ); |
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291 iState = EIdle; |
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292 break; |
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293 case EConnectivityChecks: |
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294 iPluginObserver->NewCandidatePairFound( iPlugin, iCandidatePair ); |
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295 iPluginObserver->Notify( iPlugin, iStreamId, |
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296 MNATFWPluginObserver::EConnChecksCompleted, KErrNone ); |
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297 iState = EIdle; |
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298 break; |
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299 case ESetReceivingState: |
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300 if ( EStreamingStateActive == iStreamingStatus ) |
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301 { |
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302 iPluginObserver->Notify( iPlugin, iStreamId, |
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303 MNATFWPluginObserver::EReceivingActivated, KErrNone ); |
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304 } |
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305 else |
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306 { |
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307 iPluginObserver->Notify( iPlugin, iStreamId, |
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308 MNATFWPluginObserver::EReceivingDeactivated, KErrNone ); |
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309 } |
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310 iState = EIdle; |
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311 break; |
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312 |
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313 case ESetSendingState: |
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314 if ( EStreamingStateActive == iStreamingStatus ) |
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315 { |
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316 iPluginObserver->Notify( iPlugin, iStreamId, |
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317 MNATFWPluginObserver::ESendingActivated, KErrNone ); |
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318 } |
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319 else |
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320 { |
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321 iPluginObserver->Notify( iPlugin, iStreamId, |
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322 MNATFWPluginObserver::ESendingDeactivated, KErrNone ); |
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323 } |
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324 iState = EIdle; |
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325 break; |
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326 case EErrorTestAddress: |
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327 iPluginObserver->Error( iPlugin, iStreamId, KErrArgument ); |
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328 iState = EIdle; |
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329 break; |
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330 default: |
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331 iState = EIdle; |
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332 break; |
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333 } |
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334 } |
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335 |
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336 // --------------------------------------------------------------------------- |
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337 // CNATFWConnectionHandler::DoCancel |
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338 // --------------------------------------------------------------------------- |
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339 // |
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340 void CNATFWConnectionHandler::DoCancel() |
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341 { |
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342 iTimer.Cancel(); |
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343 } |
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344 |
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345 // End of file |