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1 /** @file |
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2 * Copyright (c) 2007-2008 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 #include "upnpipaddressutils.h" |
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19 #include "upnpipeventnotifier.h" |
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20 #include "upnpconninterfacewatcher.h" |
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21 #include "upnpsettings.h" |
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22 #define KLogFile _L("UPnPConnManager.txt") |
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23 #include "upnpcustomlog.h" |
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24 |
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25 using namespace UpnpIpAddressUtil; |
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26 // --------------------------------------------------------------------------- |
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27 // CUpnpConnInterfaceWatcher::NewL |
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28 // |
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29 // --------------------------------------------------------------------------- |
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30 // |
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31 CUpnpConnInterfaceWatcher* CUpnpConnInterfaceWatcher::NewL( |
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32 MUpnpConnInterfaceWatcherObserver& aIfObserver, |
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33 RSocketServ& aSockServ, |
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34 RConnection &aConnection ) |
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35 { |
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36 CUpnpConnInterfaceWatcher* self = new (ELeave) CUpnpConnInterfaceWatcher( |
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37 aIfObserver, aSockServ, aConnection ); |
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38 CleanupStack::PushL( self ); |
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39 self->ConstructL(); |
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40 CleanupStack::Pop( self ); |
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41 return self; |
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42 } |
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43 |
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44 // --------------------------------------------------------------------------- |
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45 // CUpnpConnInterfaceWatcher::CUpnpConnInterfaceWatcher |
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46 // C++ default constructor can NOT contain any code, that |
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47 // might leave. |
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48 // --------------------------------------------------------------------------- |
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49 // |
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50 CUpnpConnInterfaceWatcher::CUpnpConnInterfaceWatcher( |
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51 MUpnpConnInterfaceWatcherObserver& aIfObserver, |
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52 RSocketServ& aSockServ, |
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53 RConnection &aConnection ) |
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54 : CActive( CActive::EPriorityStandard ), |
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55 iIfObserver( aIfObserver ), |
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56 iSockServ( aSockServ ), |
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57 iConnection( aConnection ) |
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58 { |
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59 } |
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60 |
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61 // --------------------------------------------------------------------------- |
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62 // CUpnpConnInterfaceWatcher::~CUpnpConnInterfaceWatcher |
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63 // Destructor. |
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64 // --------------------------------------------------------------------------- |
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65 // |
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66 CUpnpConnInterfaceWatcher::~CUpnpConnInterfaceWatcher() |
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67 { |
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68 Cancel(); |
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69 delete iIPEvent; |
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70 } |
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71 |
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72 // ----------------------------------------------------------------------------- |
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73 // CUpnpConnInterfaceWatcher::ConstructL |
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74 // ----------------------------------------------------------------------------- |
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75 // |
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76 void CUpnpConnInterfaceWatcher::ConstructL() |
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77 { |
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78 LOG_FUNC_NAME; |
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79 CActiveScheduler::Add( this ); |
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80 } |
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81 |
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82 // ----------------------------------------------------------------------------- |
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83 // CUpnpConnInterfaceWatcher::SubscribeForConnectionServiceChangeNotifications |
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84 // ----------------------------------------------------------------------------- |
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85 // |
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86 void CUpnpConnInterfaceWatcher::SubscribeForConnectionServiceChangeNotifications() |
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87 { |
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88 if ( !IsActive() ) |
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89 { |
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90 iConnection.ServiceChangeNotification( iNewISPId, iNewServiceType, iStatus ); |
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91 SetActive(); |
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92 } |
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93 } |
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94 |
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95 // ----------------------------------------------------------------------------- |
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96 // CUpnpConnInterfaceWatcher::CancelSubscriptionForConnectionServiceChangeNotifications |
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97 // ----------------------------------------------------------------------------- |
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98 // |
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99 void CUpnpConnInterfaceWatcher::CancelSubscriptionForConnectionServiceChangeNotifications() |
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100 { |
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101 Cancel(); |
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102 } |
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103 |
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104 // ----------------------------------------------------------------------------- |
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105 // CUpnpConnInterfaceWatcher::ListenAddressChangeL |
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106 // Creates and subscribes to CUpnpIPEventNotifier instance |
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107 // ----------------------------------------------------------------------------- |
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108 // |
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109 void CUpnpConnInterfaceWatcher::ListenAddressChangeL( TUint aIapId ) |
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110 { |
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111 LOG_FUNC_NAME; |
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112 iIapId = aIapId; |
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113 LOGS1("ListenAddressChangeL: Given IAP: %d",iIapId); |
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114 // get local IP |
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115 TInt interfaceIndex; // interface index used for subscribing for IP event |
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116 |
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117 SetLocalAddress( LocalIpAddress( interfaceIndex ) ); |
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118 |
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119 delete iIPEvent; |
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120 iIPEvent = NULL; |
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121 |
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122 #ifdef _DEBUG |
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123 LOGS1( "ListenAddressChangeL: interfaceIndex: %d", interfaceIndex ); |
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124 TBuf<50> buf; |
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125 iLocalIpAddress.Output( buf ); |
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126 LOGS1( "ListenAddressChangeL: IP Addr: %S", &buf ); |
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127 #endif //_DEBUG |
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128 |
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129 iIPEvent = CUpnpIPEventNotifier::NewL( interfaceIndex ); |
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130 iIPEvent->Subscribe( this ); |
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131 } |
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132 |
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133 // ----------------------------------------------------------------------------- |
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134 // CUpnpConnInterfaceWatcher::LocalAddress |
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135 // ----------------------------------------------------------------------------- |
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136 // |
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137 const TInetAddr& CUpnpConnInterfaceWatcher::LocalAddress() |
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138 { |
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139 return iLocalIpAddress; |
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140 } |
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141 |
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142 // ----------------------------------------------------------------------------- |
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143 // CUpnpConnInterfaceWatcher::SetLocalAddress |
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144 // ----------------------------------------------------------------------------- |
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145 // |
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146 void CUpnpConnInterfaceWatcher::SetLocalAddress( const TInetAddr& aAddress ) |
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147 { |
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148 iLocalIpAddress.SetAddress( aAddress.Address() ); |
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149 } |
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150 |
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151 // ----------------------------------------------------------------------------- |
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152 // CUpnpConnInterfaceWatcher::IPEventOccursL |
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153 // ----------------------------------------------------------------------------- |
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154 // |
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155 void CUpnpConnInterfaceWatcher::IPEventOccursL() |
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156 { |
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157 TInt index; |
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158 |
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159 TInetAddr ip = LocalIpAddress( index ); |
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160 #ifdef _DEBUG |
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161 TBuf<KMaxName> address; |
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162 ip.Output(address); |
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163 LOGS1H( iHandle, "MH IPEvent: %S", &address ); |
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164 RDebug::Print(_L("CUpnpConnInterfaceWatcher *** IPEventOccursL *** IP Address: %S"), &address ); |
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165 #endif //_DEBUG |
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166 |
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167 if ( ip.Address() == 0 ) |
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168 { |
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169 return; |
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170 } |
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171 |
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172 if ( ip.Address() != LocalAddress().Address() ) |
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173 { |
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174 SetLocalAddress( ip ); |
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175 iIfObserver.InterfaceAddressChange( iLocalIpAddress ); |
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176 } |
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177 } |
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178 |
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179 // ----------------------------------------------------------------------------- |
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180 // CUpnpConnInterfaceWatcher::RunL |
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181 // ----------------------------------------------------------------------------- |
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182 // |
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183 void CUpnpConnInterfaceWatcher::RunL() |
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184 { |
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185 if ( iStatus.Int() == KErrCancel ) |
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186 { |
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187 iIfObserver.WlanNetworkLost(); |
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188 } |
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189 else if ( iStatus.Int() >= KErrNone ) |
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190 { |
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191 SubscribeForConnectionServiceChangeNotifications(); |
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192 } |
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193 } |
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194 |
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195 // ----------------------------------------------------------------------------- |
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196 // CUpnpConnInterfaceWatcher::DoCancel |
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197 // ----------------------------------------------------------------------------- |
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198 // |
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199 void CUpnpConnInterfaceWatcher::DoCancel() |
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200 { |
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201 iConnection.CancelServiceChangeNotification(); |
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202 } |
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203 |
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204 // ----------------------------------------------------------------------------- |
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205 // CUpnpConnInterfaceWatcher::RunError |
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206 // ----------------------------------------------------------------------------- |
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207 // |
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208 TInt CUpnpConnInterfaceWatcher::RunError( TInt /*aError*/ ) |
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209 { |
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210 LOG_FUNC_NAME; |
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211 return KErrNone; |
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212 } |
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213 |
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214 TInetAddr CUpnpConnInterfaceWatcher::LocalIpAddress(TInt& aInterfaceIndex) |
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215 { |
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216 LOG_FUNC_NAME; |
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217 |
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218 RSocket socket; |
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219 TInt err; |
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220 TInt index; |
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221 TInt autoIfIndex = 0; |
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222 TBool autoIpFound = EFalse; |
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223 TBool ipFound = EFalse; |
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224 TInetAddr localIpAddress; |
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225 TInetAddr autoIpAddress; |
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226 |
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227 TInt ret= socket.Open( iSockServ, KAfInet, KSockDatagram, KProtocolInetUdp); |
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228 if ( KErrNone == ret ) |
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229 { |
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230 err = socket.SetOpt( KSoInetEnumInterfaces, KSolInetIfCtrl ); |
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231 |
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232 if ( err == KErrNone ) |
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233 { |
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234 TPckgBuf<TSoInetInterfaceInfo> info; |
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235 err = socket.GetOpt( KSoInetNextInterface, KSolInetIfCtrl, info ); |
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236 while ( err == KErrNone ) |
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237 { |
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238 TPckgBuf<TSoInetIfQuery> query; |
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239 query().iName = info().iName; |
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240 err = socket.GetOpt( KSoInetIfQueryByName, KSolInetIfQuery, query ); |
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241 if ( err == KErrNone ) |
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242 { |
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243 index = query().iIndex; |
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244 |
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245 //Address should be IPv4, not 0.0.0.0 & not loopback. |
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246 if ((info().iAddress.Address() != 0) && !info().iAddress.IsUnspecified() && !info().iAddress.IsLoopback() && query().iZone[1] == iIapId) |
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247 { |
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248 |
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249 #ifdef _DEBUG |
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250 LOGS1( "LocalIpAddress: IAP is matched with %d",query().iZone[1] ); |
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251 TBuf<50> buf; |
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252 info().iAddress.Output( buf ); |
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253 LOGS1( "LocalIpAddress: info().iAddress: %S", &buf ); |
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254 #endif |
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255 |
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256 if ( info().iAddress.IsLinkLocal() ) |
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257 { |
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258 autoIpFound = ETrue; |
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259 autoIpAddress = info().iAddress; |
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260 autoIpAddress.ConvertToV4(); |
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261 autoIfIndex = index; |
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262 LOGS("LocalIpAddress: IP is Matched with AutoIP"); |
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263 #ifdef _DEBUG |
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264 TBuf<50> buf; |
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265 autoIpAddress.Output( buf ); |
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266 LOGS1( "LocalIpAddress: Auto IP Addr: %S", &buf ); |
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267 #endif |
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268 } |
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269 // Other than auto IP |
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270 else |
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271 { |
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272 ipFound = ETrue; |
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273 localIpAddress = info().iAddress; |
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274 // we're using ipv4 addresses |
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275 localIpAddress.ConvertToV4(); |
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276 aInterfaceIndex = index; |
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277 LOGS("LocalIpAddress: IP is Matched with DHCP IP"); |
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278 #ifdef _DEBUG |
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279 TBuf<50> buf; |
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280 localIpAddress.Output( buf ); |
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281 LOGS1( "LocalIpAddress: DHCP IP Addr: %S", &buf ); |
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282 #endif |
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283 } |
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284 |
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285 } |
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286 } |
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287 err = socket.GetOpt( KSoInetNextInterface, KSolInetIfCtrl, info ); |
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288 } |
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289 } |
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290 } |
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291 socket.Close(); |
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292 |
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293 if ( !ipFound && autoIpFound ) |
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294 { |
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295 localIpAddress = autoIpAddress; |
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296 aInterfaceIndex = autoIfIndex; |
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297 } |
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298 |
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299 #ifdef _DEBUG |
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300 TBuf<50> buf; |
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301 localIpAddress.Output( buf ); |
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302 LOGS1( "LocalIpAddress: IP Addr: %S", &buf ); |
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303 #endif |
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304 |
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305 return localIpAddress; |
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306 |
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307 } |
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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 //End of file |