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1 // Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // Name : CTransportUdp.cpp |
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15 // Part of : ConnectionMgr |
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16 // Version : SIP/4.0 |
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17 // |
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18 |
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19 |
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20 |
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21 |
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22 #include "CTransportUdp.h" |
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23 #include "CSipConnection.h" |
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24 #include "CErrorHandler.h" |
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25 #include "CReceiver.h" |
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26 #include "CSenderUdp.h" |
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27 #include "CSIPServerResolver.h" |
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28 #include "sipviaheader.h" |
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29 #include "siphostport.h" |
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30 #include "sipmessage.h" |
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31 #include "sipresponse.h" |
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32 #include "Lwtimer.h" |
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33 #include "SipLogs.h" |
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34 #include "CResHandler.h" |
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35 #include "utf.h" |
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36 #include "CommonConsts.h" |
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37 #include "sipstrings.h" |
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38 #include "sipstrconsts.h" |
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39 #include "siperr.h" |
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40 #include "NetworkInfo.h" |
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41 #include "COwnerSettingsList.h" |
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42 #include "CSocketContainer.h" |
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43 #include "MSocketUsagePermissionObserver.h" |
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44 #include <sipnattraversalcontroller.h> |
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45 |
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46 |
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47 const TInt KTransportUsersGranularity = 2; |
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48 |
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49 |
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50 // ----------------------------------------------------------------------------- |
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51 // CTransportUdp::NewL |
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52 // ----------------------------------------------------------------------------- |
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53 // |
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54 CTransportUdp* CTransportUdp::NewL( |
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55 RSocketServ& aServer, |
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56 TUint aPort, |
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57 MTransactionFinder& aFinder, |
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58 MServerTaFactory& aTaFactory, |
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59 MTransportOwner& aTransportOwner, |
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60 MTimerManager& aTimerManager, |
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61 CSIPServerResolver& aServerResolver, |
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62 RConnection& aConnection, |
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63 MSigCompController& aSigCompHandler, |
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64 TUint aICMPErrorWaitTime, |
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65 CNetworkInfo& aNetworkInfo, |
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66 COwnerSettingsList& aSettingsList, |
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67 const TSIPTransportParams& aTransportParams, |
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68 CSIPNATTraversalController& aNATTraversal, |
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69 TBool aOnlyForReceiving ) |
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70 { |
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71 CTransportUdp* self = NewLC( aServer, aPort, aFinder, aTaFactory, |
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72 aTransportOwner, aTimerManager, |
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73 aServerResolver, aConnection, aSigCompHandler, |
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74 aICMPErrorWaitTime, aNetworkInfo, |
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75 aSettingsList, aTransportParams, |
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76 aNATTraversal, aOnlyForReceiving ); |
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77 CleanupStack::Pop( self ); |
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78 return self; |
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79 } |
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80 |
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81 // ----------------------------------------------------------------------------- |
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82 // CTransportUdp::NewLC |
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83 // ----------------------------------------------------------------------------- |
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84 // |
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85 CTransportUdp* CTransportUdp::NewLC( |
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86 RSocketServ& aServer, |
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87 TUint aPort, |
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88 MTransactionFinder& aFinder, |
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89 MServerTaFactory& aTaFactory, |
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90 MTransportOwner& aTransportOwner, |
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91 MTimerManager& aTimerManager, |
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92 CSIPServerResolver& aServerResolver, |
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93 RConnection& aConnection, |
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94 MSigCompController& aSigCompHandler, |
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95 TUint aICMPErrorWaitTime, |
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96 CNetworkInfo& aNetworkInfo, |
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97 COwnerSettingsList& aSettingsList, |
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98 const TSIPTransportParams& aTransportParams, |
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99 CSIPNATTraversalController& aNATTraversal, |
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100 TBool aOnlyForReceiving ) |
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101 { |
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102 CTransportUdp* self = new ( ELeave ) CTransportUdp( aServer, |
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103 aPort, |
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104 aFinder, |
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105 aTaFactory, |
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106 aTransportOwner, |
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107 aTimerManager, |
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108 aServerResolver, |
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109 aConnection, |
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110 aSigCompHandler, |
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111 aICMPErrorWaitTime, |
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112 aNetworkInfo, |
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113 aSettingsList, |
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114 aTransportParams, |
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115 aNATTraversal, |
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116 aOnlyForReceiving ); |
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117 CleanupStack::PushL( self ); |
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118 self->ConstructL(); |
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119 return self; |
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120 } |
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121 |
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122 // ----------------------------------------------------------------------------- |
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123 // CTransportUdp::CTransportUdp |
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124 // ----------------------------------------------------------------------------- |
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125 // |
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126 CTransportUdp::CTransportUdp( |
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127 RSocketServ& aServer, |
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128 TUint aPort, |
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129 MTransactionFinder& aFinder, |
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130 MServerTaFactory& aTaFactory, |
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131 MTransportOwner& aTransportOwner, |
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132 MTimerManager& aTimerManager, |
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133 CSIPServerResolver& aServerResolver, |
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134 RConnection& aConnection, |
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135 MSigCompController& aSigCompHandler, |
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136 TUint aICMPErrorWaitTime, |
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137 CNetworkInfo& aNetworkInfo, |
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138 COwnerSettingsList& aSettingsList, |
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139 const TSIPTransportParams& aTransportParams, |
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140 CSIPNATTraversalController& aNATTraversal, |
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141 TBool aOnlyForReceiving ) |
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142 : |
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143 CTransport( aFinder, aTaFactory, aTransportOwner, aServerResolver, |
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144 aSigCompHandler, aTransportParams, aNetworkInfo, |
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145 aSettingsList, aNATTraversal ), |
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146 iSocketServ( &aServer ), |
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147 iConnection( &aConnection ), |
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148 iSourcePort( aPort ), |
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149 iTimerManager( aTimerManager ), |
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150 iList( CResponseHandler::iOffset ), |
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151 iListIter( iList ), |
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152 iICMPErrorWaitTime( aICMPErrorWaitTime ), |
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153 iTransportUsers( KTransportUsersGranularity ), |
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154 iOnlyForReceiving( aOnlyForReceiving ), |
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155 iIsSending( EFalse ) |
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156 { |
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157 } |
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158 |
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159 // ----------------------------------------------------------------------------- |
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160 // CTransportUdp::ConstructL |
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161 // ----------------------------------------------------------------------------- |
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162 // |
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163 void CTransportUdp::ConstructL() |
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164 { |
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165 iErrorHandler = CTransportErrorHandler::NewL( *this ); |
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166 |
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167 RefreshSocketContainerL( KAfInet ); |
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168 RefreshSocketContainerL( KAfInet6 ); |
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169 |
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170 iSender = CSenderUdp::NewL( *this, iSettingsList ); |
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171 |
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172 iTransportUsers.AppendL( iTransportParams.TransportId() ); |
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173 } |
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174 |
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175 // ----------------------------------------------------------------------------- |
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176 // CTransportUdp::~CTransportUdp |
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177 // ----------------------------------------------------------------------------- |
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178 // |
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179 CTransportUdp::~CTransportUdp() |
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180 { |
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181 if ( iSocketUsagePermissionObserver ) |
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182 { |
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183 iSocketUsagePermissionObserver->UsagePermissionChanged( iIPv4Socket, EFalse ); |
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184 iSocketUsagePermissionObserver->UsagePermissionChanged( iIPv6Socket, EFalse ); |
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185 } |
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186 |
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187 iNATTraversal.SocketIdle( EFalse, iIPv4Socket ); |
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188 iNATTraversal.SocketIdle( EFalse, iIPv6Socket ); |
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189 |
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190 CResponseHandler* listItem; |
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191 iListIter.SetToFirst(); |
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192 while ( ( listItem = iListIter++ ) != 0 ) |
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193 { |
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194 iList.Remove( *listItem ); |
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195 delete listItem; |
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196 } |
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197 delete iErrorHandler; |
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198 delete iIPv4Receiver; |
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199 delete iIPv6Receiver; |
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200 delete iSender; |
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201 delete iIPv4SocketContainer; |
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202 delete iIPv6SocketContainer; |
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203 iNATTraversal.SocketIdle( EFalse, iIPv4Socket ); |
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204 iIPv4Socket.Close(); |
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205 iNATTraversal.SocketIdle( EFalse, iIPv6Socket ); |
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206 iIPv6Socket.Close(); |
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207 iTransportUsers.Close(); |
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208 } |
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209 |
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210 // ----------------------------------------------------------------------------- |
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211 // CTransportUdp::Handle |
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212 // ----------------------------------------------------------------------------- |
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213 // |
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214 TBool CTransportUdp::Handle( TUint32 aTransportId ) |
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215 { |
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216 // Only interested about "protected" transports |
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217 return ( ( aTransportId > 0 ) && |
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218 ( iTransportUsers.Find( aTransportId ) != KErrNotFound ) ); |
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219 } |
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220 |
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221 // ----------------------------------------------------------------------------- |
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222 // CTransportUdp::HandleMessage |
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223 // ----------------------------------------------------------------------------- |
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224 // |
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225 TBool CTransportUdp::HandleMessage( const TSIPTransportParams& aParams, |
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226 RStringF aProtocol, |
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227 const TInetAddr& /*aRemoteAddr*/, |
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228 TUint aLocalPort, |
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229 TBool aIsStrict ) |
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230 { |
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231 // If not strict comparison, receiveonly mode has no significance |
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232 return ( aProtocol == SIPStrings::StringF( SipStrConsts::EUDP ) && |
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233 Match( aParams ) && |
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234 ( aLocalPort == 0 || iSourcePort == aLocalPort ) && |
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235 ( !aIsStrict || !iOnlyForReceiving ) ); |
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236 } |
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237 |
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238 // ----------------------------------------------------------------------------- |
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239 // CTransportUdp::ResetSocketL |
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240 // ----------------------------------------------------------------------------- |
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241 // |
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242 void CTransportUdp::ResetSocketL() |
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243 { |
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244 iIPv4Socket.Close(); |
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245 CSocketContainer* tmp = CreateSocketContainerL( KAfInet, iIPv4Socket ); |
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246 delete iIPv4SocketContainer; |
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247 iIPv4SocketContainer = tmp; |
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248 |
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249 iIPv6Socket.Close(); |
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250 tmp = CreateSocketContainerL( KAfInet6, iIPv6Socket ); |
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251 delete iIPv6SocketContainer; |
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252 iIPv6SocketContainer = tmp; |
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253 } |
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254 |
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255 // ----------------------------------------------------------------------------- |
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256 // CTransportUdp::StopL |
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257 // ----------------------------------------------------------------------------- |
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258 // |
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259 TBool CTransportUdp::StopL() |
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260 { |
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261 if ( iIPv4Receiver ) |
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262 { |
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263 iIPv4Receiver->Cancel(); |
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264 } |
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265 if ( iIPv6Receiver ) |
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266 { |
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267 iIPv6Receiver->Cancel(); |
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268 } |
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269 iSender->Cancel(); |
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270 |
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271 // If there's binding observers, notify that old socket |
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272 // cannot be used anymore |
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273 return NotifyFlowFailure(); |
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274 } |
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275 |
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276 // ----------------------------------------------------------------------------- |
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277 // CTransportUdp::ContinueL |
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278 // ----------------------------------------------------------------------------- |
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279 // |
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280 void CTransportUdp::ContinueL() |
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281 { |
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282 WaitL(); |
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283 iSender->SendNextL(); |
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284 } |
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285 |
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286 // ----------------------------------------------------------------------------- |
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287 // CTransportUdp::SourcePort |
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288 // ----------------------------------------------------------------------------- |
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289 // |
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290 TUint CTransportUdp::SourcePort() |
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291 { |
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292 return iSourcePort; |
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293 } |
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294 |
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295 // ----------------------------------------------------------------------------- |
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296 // CTransportUdp::WaitL |
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297 // ----------------------------------------------------------------------------- |
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298 // |
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299 void CTransportUdp::WaitL() |
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300 { |
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301 if ( iIPv4Receiver ) |
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302 { |
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303 iIPv4Receiver->Listen(); |
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304 } |
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305 if ( iIPv6Receiver ) |
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306 { |
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307 iIPv6Receiver->Listen(); |
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308 } |
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309 } |
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310 |
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311 // ----------------------------------------------------------------------------- |
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312 // CTransportUdp::SendToNetL |
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313 // ----------------------------------------------------------------------------- |
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314 // |
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315 void CTransportUdp::SendToNetL( const TSIPTransportParams& aParams, |
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316 const TInetAddr& aAddress, |
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317 CSIPMessage& aMessage, |
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318 TBool aForceUDP, |
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319 TUint aOrigTransport, |
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320 TRequestStatus &aStatus ) |
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321 { |
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322 RefreshSocketContainerL( CSender::IpAddrType( aAddress ) ); |
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323 HandleMixedAddressFamilysL( aMessage, aAddress ); |
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324 |
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325 iSender->SendL( |
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326 aParams, |
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327 aMessage, |
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328 aAddress, |
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329 aOrigTransport, |
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330 aStatus, |
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331 EFalse, |
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332 aForceUDP ); |
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333 } |
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334 |
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335 // ----------------------------------------------------------------------------- |
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336 // CTransportUdp::SendToNetL |
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337 // ----------------------------------------------------------------------------- |
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338 // |
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339 void CTransportUdp::SendToNetL( const TSIPTransportParams& aParams, |
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340 const TInetAddr& aAddress, |
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341 CSIPMessage& aMessage, |
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342 TRequestStatus &aStatus ) |
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343 { |
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344 RefreshSocketContainerL( CSender::IpAddrType( aAddress ) ); |
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345 HandleMixedAddressFamilysL( aMessage, aAddress ); |
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346 |
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347 iSender->SendL( |
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348 aParams, |
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349 aMessage, |
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350 aAddress, |
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351 0, |
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352 aStatus, |
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353 EFalse, |
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354 EFalse ); |
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355 } |
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356 |
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357 // ----------------------------------------------------------------------------- |
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358 // CTransportUdp::SendToNetL |
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359 // ----------------------------------------------------------------------------- |
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360 // |
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361 void CTransportUdp::SendToNetL( const TSIPTransportParams& aParams, |
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362 const TInetAddr& aAddress, |
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363 TTransactionId aId, |
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364 CSIPMessage& aMessage, |
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365 TRequestStatus &aStatus ) |
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366 { |
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367 RefreshSocketContainerL( CSender::IpAddrType( aAddress ) ); |
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368 HandleMixedAddressFamilysL( aMessage, aAddress ); |
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369 |
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370 CResponseHandler* listItem = 0; |
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371 iListIter.SetToFirst(); |
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372 while ( ( listItem = iListIter++ ) != 0 ) |
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373 { |
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374 if(listItem->Handle( aId ) ) |
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375 { |
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376 listItem->SendL( aParams, |
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377 static_cast<CSIPResponse&>( aMessage ), |
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378 aAddress, |
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379 aStatus ); |
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380 return; |
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381 } |
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382 } |
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383 CResponseHandler* responsehandler = |
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384 CResponseHandler::NewL( *this, iTimerManager, *iServerResolver, aId, |
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385 iICMPErrorWaitTime ); |
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386 iList.AddLast( *responsehandler ); |
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387 responsehandler->SendL( aParams, |
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388 static_cast<CSIPResponse&>( aMessage ), |
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389 aAddress, |
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390 aStatus); |
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391 } |
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392 |
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393 // ----------------------------------------------------------------------------- |
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394 // CTransportUdp::CancelSend |
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395 // ----------------------------------------------------------------------------- |
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396 // |
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397 TBool CTransportUdp::CancelSend( TRequestStatus& aStatus ) |
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398 { |
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399 return iSender->FindAndCancel( aStatus ); |
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400 } |
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401 |
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402 // ----------------------------------------------------------------------------- |
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403 // CTransportUdp::CancelAllRequests |
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404 // ----------------------------------------------------------------------------- |
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405 // |
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406 void CTransportUdp::CancelAllRequests( CSIPConnection::TState aReason ) |
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407 { |
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408 iSender->CancelAllRequests( aReason ); |
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409 } |
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410 |
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411 // ----------------------------------------------------------------------------- |
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412 // CTransportUdp::CancelResponseSend |
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413 // ----------------------------------------------------------------------------- |
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414 // |
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415 TBool CTransportUdp::CancelResponseSend( |
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416 TTransactionId aId, |
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417 TBool aCancelAlso2xxResponses ) |
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418 { |
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419 CResponseHandler* listItem = 0; |
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420 iListIter.SetToFirst(); |
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421 while ( ( listItem = iListIter++ ) != 0 ) |
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422 { |
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423 if ( listItem->Handle( aId ) ) |
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424 { |
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425 return listItem->CancelAll( aId, aCancelAlso2xxResponses ); |
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426 } |
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427 } |
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428 return EFalse; |
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429 } |
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430 |
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431 // ----------------------------------------------------------------------------- |
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432 // CTransportUdp::IsWaiting |
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433 // ----------------------------------------------------------------------------- |
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434 // |
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435 TBool CTransportUdp::IsWaiting( TUint aProtocol, TUint aPort ) |
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436 { |
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437 return ( aPort == SourcePort() && aProtocol == KProtocolInetUdp ); |
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438 } |
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439 |
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440 // ----------------------------------------------------------------------------- |
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441 // CTransportUdp::SocketContainer |
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442 // ----------------------------------------------------------------------------- |
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443 // |
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444 CSocketContainer& CTransportUdp::SocketContainer() |
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445 { |
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446 if ( iIPv6SocketContainer ) |
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447 { |
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448 return *iIPv6SocketContainer; |
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449 } |
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450 return *iIPv4SocketContainer; |
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451 } |
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452 // ----------------------------------------------------------------------------- |
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453 // CTransportUdp::SocketContainer |
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454 // ----------------------------------------------------------------------------- |
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455 // |
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456 CSocketContainer* CTransportUdp::SocketContainer( TUint aIPAddrFamily ) |
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457 { |
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458 if ( aIPAddrFamily == KAfInet ) |
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459 { |
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460 if ( iIPv4SocketContainer ) |
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461 { |
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462 return iIPv4SocketContainer; |
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463 } |
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464 return iIPv6SocketContainer; |
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465 } |
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466 else |
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467 { |
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468 if ( iIPv6SocketContainer ) |
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469 { |
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470 return iIPv6SocketContainer; |
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471 } |
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472 } |
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473 return NULL; // Only IPv6 socket can be used for sending to a IPv6 address |
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474 } |
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475 |
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476 // ----------------------------------------------------------------------------- |
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477 // CTransportUdp::ICMPErrorL |
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478 // ----------------------------------------------------------------------------- |
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479 // |
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480 void CTransportUdp::ICMPErrorL( CSipConnectionMgr::TICMPError aICMPError, |
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481 const TInetAddr& aSourceAddr ) |
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482 { |
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483 CResponseHandler* listItem = 0; |
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484 iListIter.SetToFirst(); |
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485 while ( ( listItem = iListIter++ ) != 0 ) |
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486 { |
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487 listItem->ICMPErrorL( aICMPError, aSourceAddr ); |
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488 } |
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489 } |
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490 |
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491 // ----------------------------------------------------------------------------- |
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492 // CTransportUdp::RemoveResHandler |
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493 // ----------------------------------------------------------------------------- |
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494 // |
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495 void CTransportUdp::RemoveResHandler( CResponseHandler* aHandler ) |
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496 { |
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497 if ( !iList.IsEmpty() ) |
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498 { |
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499 iList.Remove( *aHandler ); |
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500 delete aHandler; |
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501 __SIP_LOG( "CResHandler removed" ) |
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502 } |
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503 } |
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504 |
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505 // ----------------------------------------------------------------------------- |
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506 // CTransportUdp::ConnectionOpenL |
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507 // ----------------------------------------------------------------------------- |
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508 // |
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509 TBool CTransportUdp::ConnectionOpenL() |
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510 { |
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511 User::Leave( KErrNotSupported ); |
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512 return EFalse; |
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513 } |
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514 |
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515 // ----------------------------------------------------------------------------- |
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516 // CTransportUdp::DisconnectedL |
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517 // ----------------------------------------------------------------------------- |
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518 // |
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519 TBool CTransportUdp::DisconnectedL() |
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520 { |
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521 return EFalse; |
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522 } |
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523 |
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524 // ----------------------------------------------------------------------------- |
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525 // CTransportUdp::GetSocketContainerL |
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526 // ----------------------------------------------------------------------------- |
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527 // |
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528 CSocketContainer& CTransportUdp::GetSocketContainerL( |
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529 const TInetAddr& aRemoteAddr ) |
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530 { |
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531 CSocketContainer* socketContainer = |
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532 SocketContainer( CSender::IpAddrType( aRemoteAddr ) ); |
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533 __ASSERT_ALWAYS( socketContainer, User::Leave( KErrNotFound ) ); |
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534 return *socketContainer; |
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535 } |
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536 |
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537 // ----------------------------------------------------------------------------- |
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538 // CTransportUdp::InformSendingStatus |
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539 // ----------------------------------------------------------------------------- |
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540 // |
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541 void CTransportUdp::InformSendingStatus( const TInetAddr& /*aRemoteAddr*/ ) |
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542 { |
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543 __SIP_INT_LOG2( "CTransportUdp::InformSendingStatus (socket IPv4,sending)", |
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544 iIPv4Socket.SubSessionHandle(), iIsSending ) |
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545 |
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546 __SIP_INT_LOG2( "CTransportUdp::InformSendingStatus (socket IPv6,sending)", |
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547 iIPv6Socket.SubSessionHandle(), iIsSending ) |
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548 |
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549 iNATTraversal.SocketIdle( !iIsSending, iIPv4Socket ); |
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550 iNATTraversal.SocketIdle( !iIsSending, iIPv6Socket ); |
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551 } |
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552 |
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553 // ----------------------------------------------------------------------------- |
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554 // CTransportUdp::Sender |
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555 // ----------------------------------------------------------------------------- |
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556 // |
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557 CSender* CTransportUdp::Sender( const TSIPTransportParams& aParams, |
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558 TUint aProtocol, |
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559 const TInetAddr& /*aRemoteAddr*/) |
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560 { |
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561 if ( aProtocol == Protocol() && Match( aParams ) ) |
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562 { |
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563 return iSender; |
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564 } |
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565 return 0; |
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566 } |
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567 |
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568 // ----------------------------------------------------------------------------- |
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569 // CTransportUdp::Remove |
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570 // ----------------------------------------------------------------------------- |
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571 // |
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572 TBool CTransportUdp::Remove( TUint32 aTransportId ) |
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573 { |
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574 TInt index = iTransportUsers.Find( aTransportId ); |
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575 if ( index != KErrNotFound ) |
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576 { |
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577 iTransportUsers.Remove( index ); |
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578 iTransportUsers.Compress(); |
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579 } |
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580 |
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581 // If no more transport users left and this is "protected" transport, |
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582 // the whole transport can be removed |
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583 return ( iTransportUsers.Count() == 0 && IsReservedTransport() ); |
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584 } |
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585 |
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586 // ----------------------------------------------------------------------------- |
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587 // CTransportUdp::AddUserL |
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588 // ----------------------------------------------------------------------------- |
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589 // |
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590 TBool CTransportUdp::AddUserL( |
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591 const TSIPTransportParams& aParams, |
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592 TUint aReceivePort ) |
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593 { |
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594 __ASSERT_ALWAYS( aReceivePort == iSourcePort, User::Leave( KErrArgument ) ); |
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595 |
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596 // Don't allow duplicate entries |
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597 User::LeaveIfError( iTransportUsers.InsertInOrder( aParams.TransportId() ) ); |
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598 |
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599 return ETrue; |
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600 } |
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601 |
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602 // ----------------------------------------------------------------------------- |
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603 // CTransportUdp::AcquireUdpSocket |
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604 // ----------------------------------------------------------------------------- |
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605 // |
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606 RSocket* CTransportUdp::AcquireUdpSocket( |
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607 MSocketUsagePermissionObserver* aObserver, |
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608 const TInetAddr& aRemoteAddr, |
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609 TBool& aPermissionToUse ) |
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610 { |
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611 aPermissionToUse = EFalse; |
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612 |
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613 // If observer is not provided, caller cannot use the socket |
|
614 if ( aObserver ) |
|
615 { |
|
616 // If sender is active, we cannot give permission until the |
|
617 // send is complete. |
|
618 aPermissionToUse = !iSender->IsActive(); |
|
619 |
|
620 // When we give permission for the caller to use the socket, |
|
621 // sender cannot send until UdpSocketReleased is called. |
|
622 iSender->SetSendPermission( !aPermissionToUse ); |
|
623 |
|
624 iSocketUsagePermissionObserver = aObserver; |
|
625 } |
|
626 |
|
627 RSocket* socket = NULL; |
|
628 if ( aRemoteAddr.Address() && iIPv4SocketContainer ) |
|
629 { |
|
630 socket = &iIPv4Socket; |
|
631 } |
|
632 else |
|
633 { |
|
634 socket = &iIPv6Socket; |
|
635 } |
|
636 |
|
637 return socket; |
|
638 } |
|
639 |
|
640 // ----------------------------------------------------------------------------- |
|
641 // CTransportUdp::UdpSocketReleased |
|
642 // ----------------------------------------------------------------------------- |
|
643 // |
|
644 void CTransportUdp::UdpSocketReleased( |
|
645 MSocketUsagePermissionObserver* aObserver, |
|
646 RSocket& aSocket ) |
|
647 { |
|
648 if ( aObserver && |
|
649 ( iIPv4Socket.SubSessionHandle() == aSocket.SubSessionHandle() || |
|
650 iIPv6Socket.SubSessionHandle() == aSocket.SubSessionHandle() ) ) |
|
651 { |
|
652 iSocketUsagePermissionObserver = 0; |
|
653 iSender->SetSendPermission( ETrue ); |
|
654 TRAP_IGNORE( iSender->SendNextL() ) |
|
655 } |
|
656 } |
|
657 |
|
658 // ----------------------------------------------------------------------------- |
|
659 // CTransportUdp::Remove |
|
660 // ----------------------------------------------------------------------------- |
|
661 // |
|
662 TInt CTransportUdp::Remove() |
|
663 { |
|
664 return iTransportOwner->RemoveTransport( this ); |
|
665 } |
|
666 |
|
667 // ----------------------------------------------------------------------------- |
|
668 // CTransportUdp::IapId |
|
669 // ----------------------------------------------------------------------------- |
|
670 // |
|
671 TUint32 CTransportUdp::IapId() |
|
672 { |
|
673 return iTransportOwner->IapId(); |
|
674 } |
|
675 |
|
676 // ----------------------------------------------------------------------------- |
|
677 // CTransportUdp::Sending |
|
678 // ----------------------------------------------------------------------------- |
|
679 // |
|
680 void CTransportUdp::Sending( TBool aIsSending ) |
|
681 { |
|
682 __SIP_INT_LOG2( "CTransportUdp::Sending (socket IPv4,sending)", |
|
683 iIPv4Socket.SubSessionHandle(), iIsSending ) |
|
684 |
|
685 __SIP_INT_LOG2( "CTransportUdp::Sending (socket IPv6,sending)", |
|
686 iIPv6Socket.SubSessionHandle(), iIsSending ) |
|
687 |
|
688 iIsSending = aIsSending; |
|
689 |
|
690 if ( iSocketUsagePermissionObserver ) |
|
691 { |
|
692 iSocketUsagePermissionObserver->UsagePermissionChanged( iIPv4Socket, |
|
693 !iIsSending ); |
|
694 iSocketUsagePermissionObserver->UsagePermissionChanged( iIPv6Socket, |
|
695 !iIsSending ); |
|
696 } |
|
697 |
|
698 iNATTraversal.SocketIdle( !iIsSending, iIPv4Socket ); |
|
699 iNATTraversal.SocketIdle( !iIsSending, iIPv6Socket ); |
|
700 } |
|
701 |
|
702 // ----------------------------------------------------------------------------- |
|
703 // CTransportUdp::ReRouteL |
|
704 // ----------------------------------------------------------------------------- |
|
705 // |
|
706 void CTransportUdp::ReRouteL( TUint aProtocol, |
|
707 COutgoingData* aData ) |
|
708 { |
|
709 iTransportOwner->ReRouteL( aProtocol, aData ); |
|
710 } |
|
711 |
|
712 // ----------------------------------------------------------------------------- |
|
713 // CTransportUdp::ReceivedDataL |
|
714 // ----------------------------------------------------------------------------- |
|
715 // |
|
716 void CTransportUdp::ReceivedDataL( HBufC8* aData, |
|
717 const TInetAddr& aRemoteAddr, |
|
718 TBool aCompressed ) |
|
719 { |
|
720 RecvL( aData, aRemoteAddr, aCompressed ); |
|
721 } |
|
722 |
|
723 // ----------------------------------------------------------------------------- |
|
724 // CTransportUdp::SigCompHandler |
|
725 // ----------------------------------------------------------------------------- |
|
726 // |
|
727 MSigCompController* CTransportUdp::SigCompHandler() |
|
728 { |
|
729 return SigCompressionHandler(); |
|
730 } |
|
731 // ----------------------------------------------------------------------------- |
|
732 // CTransportUdp::RefreshSocketContainerL |
|
733 // ----------------------------------------------------------------------------- |
|
734 // |
|
735 void CTransportUdp::RefreshSocketContainerL( TUint aFamily ) |
|
736 { |
|
737 if ( aFamily == KAfInet && !iIPv4SocketContainer ) |
|
738 { |
|
739 iIPv4SocketContainer = CreateSocketContainerL( KAfInet, iIPv4Socket ); |
|
740 if ( iIPv4SocketContainer ) |
|
741 { |
|
742 iIPv4Receiver = CReceiver::NewL( *this, KAfInet ); |
|
743 iIPv4Receiver->Listen(); |
|
744 } |
|
745 } |
|
746 if ( aFamily == KAfInet6 && !iIPv6SocketContainer ) |
|
747 { |
|
748 iIPv6SocketContainer = CreateSocketContainerL( KAfInet6, iIPv6Socket ); |
|
749 if ( iIPv6SocketContainer ) |
|
750 { |
|
751 iIPv6Receiver = CReceiver::NewL( *this, KAfInet6 ); |
|
752 iIPv6Receiver->Listen(); |
|
753 } |
|
754 } |
|
755 } |
|
756 // ----------------------------------------------------------------------------- |
|
757 // CTransportUdp::CreateSocketContainerL |
|
758 // ----------------------------------------------------------------------------- |
|
759 // |
|
760 CSocketContainer* CTransportUdp::CreateSocketContainerL( |
|
761 TUint aFamily, |
|
762 RSocket& aSocket ) |
|
763 { |
|
764 CSocketContainer* socketContainer( NULL ); |
|
765 TInetAddr addr; |
|
766 if ( iTransportOwner->GetLocalIPAddr( aFamily, addr ) ) |
|
767 { |
|
768 User::LeaveIfError( |
|
769 aSocket.Open( *iSocketServ, KAfInet, KSockDatagram, |
|
770 KProtocolInetUdp, *iConnection ) ); |
|
771 socketContainer = CSocketContainer::NewLC( aSocket ); |
|
772 aSocket.SetOpt( KSoReuseAddr, KSolInetIp, 1 ); |
|
773 addr.SetPort( iSourcePort ); |
|
774 addr.SetFamily( aFamily ); |
|
775 TInt err = aSocket.Bind( addr ); |
|
776 if ( err == KErrInUse ) |
|
777 { |
|
778 User::Leave( KErrSIPTransportFailure ); |
|
779 } |
|
780 else |
|
781 { |
|
782 User::LeaveIfError( err ); |
|
783 } |
|
784 CleanupStack::Pop( socketContainer ); |
|
785 } |
|
786 return socketContainer; |
|
787 } |