author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 31 Aug 2010 16:06:48 +0300 | |
branch | RCL_3 |
changeset 9 | 5c72fd91570d |
parent 0 | f5a58ecadc66 |
permissions | -rw-r--r-- |
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/** @file |
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* Copyright (c) 2005-2006 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: IP Address utils |
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* |
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*/ |
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|
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// INCLUDES |
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#include <e32base.h> |
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#include <commdb.h> |
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#include <in_sock.h> |
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#include "upnpipaddressutils.h" |
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#define KLogFile _L("DLNAWebServer.txt") |
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#include "upnpcustomlog.h" |
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// ================= MEMBER FUNCTIONS ======================= |
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namespace UpnpIpAddressUtil |
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{ |
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// ----------------------------------------------------------------------------- |
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// UpnpIpAddressUtil::GetIfNameForIap |
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// Reads the IF name for the specified IAP ID. |
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// ----------------------------------------------------------------------------- |
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// |
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EXPORT_C void GetIfNameForIap( TUint32 aIapId, TDes& aIfName ) |
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{ |
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CCommsDatabase* theDb; |
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TUint32 iapId; |
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TBool nameNotFound = ETrue; |
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// First zero the name. If IF Name is not found, it will be zero lenght. |
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aIfName.Zero(); |
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// Open CommDB |
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theDb = CCommsDatabase::NewL( EDatabaseTypeIAP ); |
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CleanupStack::PushL( theDb ); |
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theDb->ShowHiddenRecords(); |
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// Open IAP table and find the IAP ID given as method parameter. |
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CCommsDbTableView* view = theDb->OpenTableLC( TPtrC( IAP ) ); |
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TInt res = view->GotoFirstRecord(); |
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while ( res == KErrNone && nameNotFound ) |
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{ |
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// Read IAP ID and match it to the one given as parameter |
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view->ReadUintL( TPtrC( COMMDB_ID ), iapId ); |
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if ( iapId == aIapId ) |
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{ |
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// Right IAP found, read bearer ID and type |
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TUint32 iapBearerId; |
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view->ReadUintL( TPtrC( IAP_BEARER ),iapBearerId ); |
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view->ReadTextL( TPtrC( IAP_BEARER_TYPE ),aIfName ); |
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|
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// Find the correct bearer table specified by bearer type |
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CCommsDbTableView* ifView = theDb->OpenTableLC( |
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TPtrC( aIfName ) ); |
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TInt bearerRes = ifView->GotoFirstRecord(); |
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TUint32 bearerId; |
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while ( bearerRes == KErrNone && nameNotFound ) |
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{ |
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ifView->ReadUintL( TPtrC( COMMDB_ID ), bearerId ); |
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// Find out right bearer record and read IF name |
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if ( bearerId == iapBearerId ) |
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{ |
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// Read the IF name, it is returned in the method |
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// parameter |
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ifView->ReadTextL( TPtrC( IF_NAME ),aIfName ); |
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nameNotFound = EFalse; |
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} |
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// Bearer id does not match, check next record |
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else |
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{ |
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bearerRes = ifView->GotoNextRecord(); |
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} |
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} |
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CleanupStack::PopAndDestroy( ifView ); |
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} |
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// IAP id does not match, check next record |
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else |
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{ |
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res = view->GotoNextRecord(); |
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} |
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} |
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CleanupStack::PopAndDestroy( view ); |
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CleanupStack::PopAndDestroy( theDb ); |
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} |
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// ----------------------------------------------------------------------------- |
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// UpnpFileUtil::MatchIfNameWithIpInterface |
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// Matches IF name with IP address of the TCP/IP stack interfaces. |
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// ----------------------------------------------------------------------------- |
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// |
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103 |
EXPORT_C TInetAddr MatchIfNameWithIpInterface( RSocketServ& aSocketServer, |
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104 |
TDesC& aIfName, |
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105 |
TInt& aInterfaceIndex ) |
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106 |
{ |
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107 |
// Buffer for IP address |
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108 |
const TUint KAddrOutputLength = 50; |
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109 |
TBuf<KAddrOutputLength> address; |
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110 |
TPckgBuf<TSoInetInterfaceInfo> info; |
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111 |
TInetAddr localIpAddress; |
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112 |
TInetAddr autoIpAddress; |
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113 |
TInt autoIfIndex = 0; |
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114 |
RSocket sock; |
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115 |
TBool autoIpFound = EFalse; |
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116 |
TBool ipFound = EFalse; |
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117 |
|
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118 |
_LIT( KUdpProtocol, "udp" ); |
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119 |
_LIT( KLoop4Interface, "loop4" ); |
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120 |
_LIT( KLoop6Interface, "loop6" ); |
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121 |
_LIT( KNoAddress, "0.0.0.0"); |
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122 |
_LIT( KLocalHost, "127.0.0.1"); |
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123 |
_LIT( KWlanIPv6IfSearchString, "wlan6[*"); |
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124 |
_LIT( KWlanIPv4IfSearchString, "wlan[*"); |
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125 |
_LIT( KWlanIfMatchString, "wlan*"); |
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126 |
_LIT( KEtherIfSearchString, "eth[*"); |
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127 |
_LIT( KEtherIfMatchString, "eth*"); |
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128 |
// BT PAN is the same for both info and NIF name |
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129 |
_LIT( KBtPanIfSearchString, "btpannif*"); |
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130 |
_LIT( KAutoIpMatch, "169.254.*"); |
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131 |
|
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132 |
//the default interface index |
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133 |
aInterfaceIndex = 0; |
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134 |
|
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135 |
TInt ret= sock.Open( aSocketServer, KUdpProtocol ); |
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136 |
if ( KErrNone == ret ) |
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137 |
{ |
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138 |
ret = sock.SetOpt( KSoInetEnumInterfaces, KSolInetIfCtrl ); |
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139 |
} |
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140 |
|
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141 |
if ( KErrNone == ret ) |
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142 |
{ |
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143 |
while( KErrNone == sock.GetOpt( |
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144 |
KSoInetNextInterface, KSolInetIfCtrl, info ) ) |
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145 |
{ |
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146 |
|
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147 |
// If state is up and name is not empty, loop4 or loop6, |
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148 |
// then get the address |
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149 |
if ( ( EIfUp == info().iState ) && |
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150 |
( 0 != info().iName.Length() ) && |
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151 |
( 0 != info().iName.Match( KLoop4Interface ) ) && |
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152 |
( 0 != info().iName.Match( KLoop6Interface ) ) ) |
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153 |
{ |
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154 |
// Check if we have valid IP |
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155 |
address.Zero(); |
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156 |
info().iAddress.Output( address ); |
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157 |
|
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158 |
if ( ( 0 < address.Length() ) && |
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159 |
( 0 != address.Match( KNoAddress ) ) && |
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160 |
( 0 != address.Match( KLocalHost ) ) ) |
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161 |
{ |
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162 |
|
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163 |
// read index of interface |
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164 |
|
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165 |
TPckgBuf<TSoInetIfQuery> query; |
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166 |
query().iName = info().iName; |
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167 |
|
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168 |
TInt index; |
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169 |
ret=sock.GetOpt(KSoInetIfQueryByName, KSolInetIfQuery, query); |
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170 |
if(KErrNone==ret) |
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171 |
{ |
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172 |
index = query().iIndex; |
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173 |
|
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174 |
// For ethernet, WLAN and BT PAN interfaces, |
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175 |
// change the match string to suit right interfaces |
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176 |
if ( 0 <= info().iName.MatchC( KEtherIfSearchString ) ) |
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177 |
{ |
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178 |
// Set the IF name for ETH Match operation below. |
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179 |
info().iName.Copy( KEtherIfMatchString ); |
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180 |
} |
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181 |
else if ( 0 <= info().iName.MatchC( |
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182 |
KWlanIPv4IfSearchString ) ) |
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183 |
{ |
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184 |
// Set the IF name for WLAN Match operation below. |
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185 |
info().iName.Copy( KWlanIfMatchString ); |
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186 |
} |
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187 |
else if ( 0 <= info().iName.MatchC( |
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188 |
KBtPanIfSearchString ) ) |
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189 |
{ |
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190 |
// Set the IF name for BT PAN Match operation below. |
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191 |
info().iName.Copy( KBtPanIfSearchString ); |
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192 |
} |
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193 |
|
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194 |
// Exlude IPv6 addresses, they are not supported. |
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195 |
// If IF name matches with the one given as parameter, |
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196 |
// then we have the same interface with IP. |
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197 |
if ( ( 0 > info().iName.MatchC( KWlanIPv6IfSearchString ) ) && |
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198 |
( 0 <= aIfName.MatchC( info().iName ) ) ) |
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199 |
{ |
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200 |
// If the address is auto-ip, check whether there |
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201 |
// is also DHCP IP in the same interface. |
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202 |
if ( 0 <= address.Match( KAutoIpMatch ) ) |
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203 |
{ |
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204 |
autoIpFound = ETrue; |
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autoIpAddress = info().iAddress; |
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autoIpAddress.ConvertToV4(); |
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autoIfIndex = index; |
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} |
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// Other than auto IP |
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else |
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{ |
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ipFound = ETrue; |
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localIpAddress = info().iAddress; |
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// we're using ipv4 addresses |
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localIpAddress.ConvertToV4(); |
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aInterfaceIndex = index; |
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} |
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} |
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} |
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} |
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} |
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} |
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} |
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sock.Close(); |
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|
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// If only auto-IP was found, then return it. |
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// If only DHCP IP was found or also auto-IP, then return the |
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// DHCP IP which is already placed in localIpAddress variable. |
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// It is not possible that there is no IP as the connection has |
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// been started already by the UPnP application and this method can't |
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// be called if there is no connection. |
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if ( !ipFound && autoIpFound ) |
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{ |
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localIpAddress = autoIpAddress; |
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aInterfaceIndex = autoIfIndex; |
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} |
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|
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address.Zero(); |
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localIpAddress.Output( address ); |
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|
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// return the address |
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return localIpAddress; |
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} |
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} |
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|
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// End of File |