1 /* |
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2 * Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of the License "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: Wrap rconnection* |
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15 */ |
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16 |
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17 |
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18 |
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19 |
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20 // INCLUDE FILES |
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21 #include "CCRConnection.h" |
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22 #include <e32msgqueue.h> |
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23 #include <ipvideo/CRTypeDefs.h> |
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24 #include "videoserviceutilsLogger.h" |
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25 |
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26 // CONSTANTS |
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27 // None. |
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28 |
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29 // ============================ MEMBER FUNCTIONS =============================== |
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30 |
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31 // ----------------------------------------------------------------------------- |
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32 // CCRConnection::CCRConnection |
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33 // C++ default constructor can NOT contain any code, that might leave. |
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34 // ----------------------------------------------------------------------------- |
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35 // |
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36 CCRConnection::CCRConnection( RSocketServ& aSockServer ) |
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37 : CActive( EPriorityStandard ), |
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38 iSockServer( aSockServer ), |
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39 iState( CCRConnection::EIdle ) |
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40 { |
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41 // None |
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42 } |
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43 |
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44 // ----------------------------------------------------------------------------- |
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45 // CCRConnection::NewL |
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46 // Two-phased constructor. |
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47 // ----------------------------------------------------------------------------- |
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48 // |
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49 CCRConnection* CCRConnection::NewL( RSocketServ& aSockServer ) |
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50 { |
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51 CCRConnection* self = new( ELeave ) CCRConnection( aSockServer ); |
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52 CleanupStack::PushL( self ); |
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53 self->ConstructL(); |
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54 CleanupStack::Pop( self ); |
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55 return self; |
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56 } |
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57 |
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58 // ----------------------------------------------------------------------------- |
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59 // CCRConnection::ConstructL |
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60 // Symbian 2nd phase constructor can leave. |
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61 // ----------------------------------------------------------------------------- |
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62 // |
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63 void CCRConnection::ConstructL() |
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64 { |
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65 CActiveScheduler::Add( this ); |
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66 User::LeaveIfError( iConnection.Open( iSockServer ) ); |
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67 User::LeaveIfError( iConMon.ConnectL() ); |
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68 |
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69 // Request bearer changes events from RConnectionMonitor |
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70 User::LeaveIfError( iConMon.NotifyEventL( *this ) ); |
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71 } |
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72 |
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73 // ----------------------------------------------------------------------------- |
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74 // CCRConnection::~CCRConnection |
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75 // Destructor. |
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76 // ----------------------------------------------------------------------------- |
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77 // |
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78 CCRConnection::~CCRConnection() |
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79 { |
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80 LOG( "CCRConnection::~CCRConnection()" ); |
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81 |
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82 if ( iConMonProgressNotifyPending && iConnection.SubSessionHandle() ) |
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83 { |
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84 LOG( "~CCRConnection CancelProgressNotification" ); |
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85 iConnection.CancelProgressNotification(); |
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86 } |
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87 |
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88 Cancel(); |
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89 iConMon.CancelNotifications(); |
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90 iConMon.Close(); |
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91 CloseRConnection(); |
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92 iObservers.Close(); |
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93 } |
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94 |
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95 // ----------------------------------------------------------------------------- |
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96 // CCRConnection::Start |
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97 // ----------------------------------------------------------------------------- |
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98 // |
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99 void CCRConnection::Attach( TUint aConnectionId ) |
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100 { |
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101 LOG1( "CCRConnection::Attach: aConnectionId: %u", aConnectionId ); |
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102 Cancel(); |
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103 iCurrentConnectionId = aConnectionId; |
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104 iConMon.GetConnectionCount( iConnectionCount, iStatus ); |
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105 SetActive(); |
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106 iState = CCRConnection::EFindingAP; |
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107 } |
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108 |
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109 // ----------------------------------------------------------------------------- |
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110 // CCRConnection::DoCancel |
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111 // If we need to cancel. |
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112 // ----------------------------------------------------------------------------- |
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113 // |
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114 void CCRConnection::DoCancel() |
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115 { |
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116 LOG( "CCRConnection::DoCancel" ); |
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117 |
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118 if ( iState == CCRConnection::EFindingAP ) |
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119 { |
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120 LOG( "CCRConnection::DoCancel in EFindingAP" ); |
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121 iConMon.CancelAsyncRequest( EConnMonGetConnectionCount ); |
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122 } |
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123 else if ( iState == CCRConnection::EFindingBearer ) |
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124 { |
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125 LOG( "CCRConnection::DoCancel in EFindingBearer" ); |
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126 iConMon.CancelAsyncRequest( EConnMonGetIntAttribute ); |
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127 } |
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128 else if ( iState == CCRConnection::EOpen && iConnection.SubSessionHandle() ) |
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129 { |
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130 LOG( "CCRConnection::DoCancel in EOpen" ); |
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131 iConMonProgressNotifyPending = EFalse; |
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132 iConnection.CancelProgressNotification(); |
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133 } |
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134 else if ( iState == CCRConnection::EConnecting ) |
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135 { |
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136 LOG( "CCRConnection::DoCancel in EConnecting" ); |
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137 // How to cancel a RConnection::Start? |
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138 } |
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139 |
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140 LOG( "CCRConnection::DoCancel() out" ); |
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141 } |
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142 |
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143 // ----------------------------------------------------------------------------- |
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144 // CCRConnection::RunL |
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145 // Request succesful completion. |
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146 // ----------------------------------------------------------------------------- |
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147 // |
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148 void CCRConnection::RunL() |
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149 { |
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150 LOG2( "CCRConnection::RunL(), iState: %d, iStatus: %d", |
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151 ( TInt )iState, iStatus.Int() ); |
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152 |
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153 // Not pending any longer |
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154 iConMonProgressNotifyPending = EFalse; |
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155 |
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156 // Handle state |
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157 TInt err( KErrNone ); |
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158 if ( iStatus.Int() == KErrNone ) |
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159 { |
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160 if ( iState == CCRConnection::EFindingAP ) |
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161 { |
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162 err = FindApL(); |
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163 } |
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164 else if ( iState == CCRConnection::EFindingBearer ) |
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165 { |
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166 FindBearerL(); |
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167 } |
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168 else if ( iState == CCRConnection::EOpen ) |
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169 { |
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170 NotificationL(); |
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171 } |
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172 } |
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173 else |
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174 { |
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175 SendConnectionErrorToQueue( iStatus.Int() ); |
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176 } |
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177 |
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178 // Verify status |
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179 if ( err ) |
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180 { |
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181 LOG1( "CCRConnection::RunL(), err: %d", err ); |
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182 SendConnectionErrorToQueue( err ); |
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183 } |
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184 } |
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185 |
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186 // ----------------------------------------------------------------------------- |
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187 // CCRConnection::SendConnectionErrorToQueue |
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188 // ----------------------------------------------------------------------------- |
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189 // |
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190 void CCRConnection::SendConnectionErrorToQueue( TInt aError ) |
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191 { |
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192 LOG1( "CCRConnection::SendConnectionErrorToQueue() aError: %d", aError ); |
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193 |
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194 iState = CCRConnection::EIdle; |
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195 iCurrentConnectionId = 0; |
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196 iBearerType = EBearerUnknown; |
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197 CloseRConnection(); |
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198 MCRConnectionObserver::TCRConnectionStatus status; |
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199 status = MCRConnectionObserver::ECRConnectionError; |
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200 |
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201 for ( TInt i( 0 ); i < iObservers.Count(); i++ ) |
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202 { |
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203 iObservers[i]->ConnectionStatusChange( 0, status, aError ); |
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204 } |
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205 } |
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206 |
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207 // ----------------------------------------------------------------------------- |
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208 // CCRConnection::RunError |
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209 // If anything goes wrong. |
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210 // ----------------------------------------------------------------------------- |
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211 // |
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212 TInt CCRConnection::RunError( TInt aError ) |
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213 { |
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214 LOG1( "CCRConnection::RunError: aError %d", aError ); |
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215 ( void )aError; // Prevent compiler warning |
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216 iState = CCRConnection::EIdle; |
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217 iCurrentConnectionId = 0; |
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218 iBearerType = EBearerUnknown; |
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219 CloseRConnection(); |
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220 return KErrNone; |
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221 } |
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222 |
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223 // ----------------------------------------------------------------------------- |
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224 // CCRConnection::CloseRConnection |
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225 // ----------------------------------------------------------------------------- |
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226 // |
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227 void CCRConnection::CloseRConnection() |
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228 { |
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229 LOG( "CCRConnection::CloseRConnection()" ); |
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230 |
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231 if ( iConnection.SubSessionHandle() ) |
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232 { |
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233 iConnection.Close(); |
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234 } |
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235 } |
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236 |
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237 // ----------------------------------------------------------------------------- |
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238 // CCRConnection::Connection |
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239 // Returns the connection. |
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240 // ----------------------------------------------------------------------------- |
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241 // |
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242 RConnection& CCRConnection::Connection ( void ) |
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243 { |
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244 return iConnection; |
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245 } |
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246 |
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247 // ----------------------------------------------------------------------------- |
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248 // CCRConnection::State |
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249 // Returns state of connection. |
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250 // ----------------------------------------------------------------------------- |
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251 // |
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252 CCRConnection::TConnectionState CCRConnection::State( void ) const |
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253 { |
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254 return iState; |
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255 } |
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256 |
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257 // ----------------------------------------------------------------------------- |
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258 // CCRConnection::BearerType |
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259 // ----------------------------------------------------------------------------- |
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260 // |
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261 TConnMonBearerType CCRConnection::BearerType() const |
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262 { |
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263 return iBearerType; |
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264 } |
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265 |
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266 // ----------------------------------------------------------------------------- |
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267 // CCRConnection::RegisterObserver |
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268 // ----------------------------------------------------------------------------- |
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269 // |
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270 TInt CCRConnection::RegisterObserver( MCRConnectionObserver* aObserver ) |
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271 { |
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272 LOG( "CCRConnection::RegisterObserver" ); |
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273 return iObservers.Append( aObserver ); |
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274 } |
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275 |
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276 // ----------------------------------------------------------------------------- |
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277 // CCRConnection::UnregisterObserver |
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278 // ----------------------------------------------------------------------------- |
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279 // |
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280 TInt CCRConnection::UnregisterObserver( MCRConnectionObserver* aObserver ) |
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281 { |
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282 LOG( "CCRConnection::UnregisterObserver" ); |
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283 TInt pos = iObservers.Find( aObserver ); |
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284 if ( pos < KErrNone ) |
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285 { |
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286 return pos; |
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287 } |
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288 |
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289 iObservers.Remove( pos ); |
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290 return KErrNone; |
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291 } |
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292 |
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293 // ----------------------------------------------------------------------------- |
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294 // CCRConnection::GetHeuristic |
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295 // ----------------------------------------------------------------------------- |
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296 // |
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297 TBool CCRConnection::GetHeuristic( TConnectionHeuristic aHeuristic ) |
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298 { |
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299 TInt bit( 1 << ( TInt )aHeuristic ); |
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300 return ( TBool )( iHeuristics & bit ); |
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301 } |
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302 |
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303 // ----------------------------------------------------------------------------- |
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304 // CCRConnection::SetHeuristic |
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305 // ----------------------------------------------------------------------------- |
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306 // |
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307 void CCRConnection::SetHeuristic( TConnectionHeuristic aHeuristic, TBool aValue ) |
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308 { |
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309 TInt mask( 1 << ( TInt )aHeuristic ); |
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310 if ( aValue ) |
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311 { |
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312 iHeuristics |= mask; |
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313 } |
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314 else |
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315 { |
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316 iHeuristics &= ~mask; |
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317 } |
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318 } |
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319 |
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320 // ----------------------------------------------------------------------------- |
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321 // CCRConnection::EventL |
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322 // ----------------------------------------------------------------------------- |
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323 // |
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324 void CCRConnection::EventL( const CConnMonEventBase& aEvent ) |
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325 { |
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326 // bearer change events |
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327 if( aEvent.EventType()==EConnMonBearerChange && iState==EOpen ) |
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328 { |
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329 // IMPORTANT: EConnMonBearerChange event report changes in *some* connection, not |
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330 // necessarly ours and aEvent.ConnectionId() doest *not* contain plain 'connection id', |
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331 // it has 'bearer id'. So make a new bearertype query to make sure it's ours. |
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332 LOG2( "CCRConnection::EventL: bearer changed, id=%d, bearer=%d", |
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333 aEvent.ConnectionId(), ( ( CConnMonBearerChange* )( &aEvent) )->Bearer() ); |
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334 |
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335 // Cancel ongoing requests |
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336 if ( IsActive() ) |
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337 { |
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338 Cancel(); |
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339 } |
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340 |
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341 iState = CCRConnection::EFindingBearer; |
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342 iConMon.GetIntAttribute( iCurrentConnectionId, 0, KBearer, |
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343 ( TInt& )iNewBearerType, iStatus ); |
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344 SetActive(); |
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345 } |
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346 // other unhandled events |
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347 else |
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348 { |
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349 LOG2( "CCRConnection::EventL: unknown event=%d, connection=%d", |
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350 aEvent.EventType(), aEvent.ConnectionId() ); |
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351 } |
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352 } |
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353 |
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354 // ----------------------------------------------------------------------------- |
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355 // CCRConnection::IsBearerWLANor3G |
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356 // ----------------------------------------------------------------------------- |
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357 // |
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358 TBool CCRConnection::IsBearerWLANor3G( TConnMonBearerType aBearer ) |
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359 { |
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360 return aBearer == EBearerWCDMA || // from CIptvNetworkEngine::IsBearer3GOrWLAN, |
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361 aBearer == EBearerWLAN || // EBearerLAN is returned by emulator |
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362 aBearer == EBearerCDMA2000 || |
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363 aBearer == EBearerLAN; |
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364 } |
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365 |
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366 // ----------------------------------------------------------------------------- |
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367 // CCRConnection::MaximumBandwidth |
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368 // ----------------------------------------------------------------------------- |
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369 // |
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370 TInt CCRConnection::MaximumBandwidth() |
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371 { |
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372 // Determine bandwidth based on bearer or from ConnectionMonitor attributes |
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373 // (KMaximumBitrateDownlink, KGuaranteedBitrateDownlink) when QoS is supported |
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374 TConnMonBearerType bearer = BearerType(); |
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375 TInt bandwidth( 0 ); |
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376 |
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377 switch( bearer ) |
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378 { |
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379 case EBearerGPRS: |
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380 bandwidth = KCRBandwidthGPRS; |
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381 break; |
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382 |
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383 case EBearerEdgeGPRS: |
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384 bandwidth = KCRBandwidthEdgeGPRS; |
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385 break; |
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386 |
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387 case EBearerWCDMA: |
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388 bandwidth = KCRBandwidthWCDMA; |
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389 break; |
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390 |
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391 case EBearerWLAN: |
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392 bandwidth = KCRBandwidthWLAN; |
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393 break; |
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394 |
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395 case EBearerLAN: |
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396 bandwidth = KCRBandwidthLAN; |
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397 break; |
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398 |
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399 default: |
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400 // None |
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401 break; |
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402 } |
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403 |
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404 return bandwidth; |
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405 } |
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406 |
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407 // ----------------------------------------------------------------------------- |
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408 // CCRConnection::FindApL |
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409 // Request succesful completion. |
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410 // ----------------------------------------------------------------------------- |
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411 // |
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412 TInt CCRConnection::FindApL() |
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413 { |
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414 CloseRConnection(); |
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415 TInt err( iConnection.Open( iSockServer ) ); |
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416 if ( err ) |
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417 { |
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418 LOG1( "CCRConnection::FindApL(), Open iConnection err: %d", err ); |
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419 return err; |
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420 } |
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421 |
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422 // Connections |
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423 TUint foundConnections( 0 ); |
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424 err = iConnection.EnumerateConnections( foundConnections ); |
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425 if ( err ) |
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426 { |
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427 LOG1( "CCRConnection::FindApL(), EnumerateConnections fail: %d", err ); |
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428 return err; |
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429 } |
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430 |
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431 // Active connection found |
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432 TUint conId( 0 ); // connection id |
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433 TUint subId( 0 ); // subconnection id |
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434 TUint conToUse( 0 ); |
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435 for ( TInt i( 1 ); i <= foundConnections && !err; i++ ) |
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436 { |
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437 err = iConMon.GetConnectionInfo( i, conId, subId ); |
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438 if ( !err && conId == iCurrentConnectionId ) |
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439 { |
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440 conToUse = i; |
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441 i = foundConnections + 1; // break from loop |
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442 } |
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443 } |
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444 if ( err ) |
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445 { |
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446 LOG1( "CCRConnection::FindApL() GetConnectionInfo loop err: %d", err ); |
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447 return err; |
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448 } |
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449 |
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450 // Connection info |
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451 TPckgBuf<TConnectionInfo> info; |
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452 err = iConnection.GetConnectionInfo( conToUse, info ); |
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453 if ( err ) |
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454 { |
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455 LOG1( "CCRConnection::FindApL(), GetConnectionInfo 2 fail: %d", err ); |
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456 return err; |
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457 } |
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458 |
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459 // Attach |
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460 err = iConnection.Attach( info, RConnection::EAttachTypeNormal ); |
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461 if ( err ) |
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462 { |
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463 LOG1( "CCRConnection::FindApL(), Attach failed: %d", err ); |
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464 } |
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465 |
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466 // Bearer type |
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467 iState = CCRConnection::EFindingBearer; |
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468 iBearerType = EBearerUnknown; |
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469 iConMon.GetIntAttribute( |
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470 iCurrentConnectionId, 0, KBearer, ( TInt& )iNewBearerType, iStatus ); |
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471 SetActive(); |
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472 return err; |
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473 } |
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474 |
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475 // ----------------------------------------------------------------------------- |
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476 // CCRConnection::FindBearerL |
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477 // Request succesful completion. |
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478 // ----------------------------------------------------------------------------- |
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479 // |
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480 void CCRConnection::FindBearerL() |
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481 { |
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482 LOG2( "CCRConnection::FindBearerL(), iCurrentConnectionId: %d, iNewBearerType: %d", |
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483 iCurrentConnectionId, iNewBearerType ); |
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484 |
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485 iState = CCRConnection::EOpen; |
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486 TBool was3g( IsBearerWLANor3G( iBearerType ) ); |
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487 TBool is3g( IsBearerWLANor3G( iNewBearerType ) ); |
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488 TBool genChanged( was3g^is3g ); |
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489 TBool justConnected( iBearerType == EBearerUnknown ); |
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490 iBearerType = iNewBearerType; |
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491 |
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492 // Notify if connection has just gone up |
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493 if ( justConnected ) |
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494 { |
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495 // Broadcast IapUp&Running for observers |
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496 MCRConnectionObserver::TCRConnectionStatus status; |
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497 status = MCRConnectionObserver::ECRAttachCompleted; |
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498 for ( TInt i( 0 ); i < iObservers.Count(); i++ ) |
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499 { |
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500 iObservers[i]->ConnectionStatusChange( 0, status, iStatus.Int() ); |
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501 } |
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502 } |
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503 |
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504 // Notify if connection has just gone up or generation changed |
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505 if ( genChanged ) |
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506 { |
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507 // Broadcast IapUp&Running for observers |
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508 MCRConnectionObserver::TCRConnectionStatus status; |
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509 status = MCRConnectionObserver::ECRBearerChanged; |
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510 for( TInt i=0 ; i<iObservers.Count() ; i++ ) |
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511 { |
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512 iObservers[i]->ConnectionStatusChange( 0, status, iStatus.Int() ); |
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513 } |
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514 } |
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515 if ( iConnection.SubSessionHandle() ) |
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516 { |
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517 // Request connection progress notifications from RConnection |
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518 iConMonProgressNotifyPending = ETrue; |
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519 iConnection.ProgressNotification( iNotification, iStatus ); |
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520 SetActive(); |
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521 } |
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522 } |
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523 |
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524 // ----------------------------------------------------------------------------- |
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525 // CCRConnection::NotificationL |
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526 // Request succesful completion. |
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527 // ----------------------------------------------------------------------------- |
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528 // |
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529 void CCRConnection::NotificationL() |
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530 { |
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531 TNifProgress notification = iNotification(); |
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532 LOG2( "CCRConnection::NotificationL stage: %d err: %d", |
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533 ( TInt )( notification.iStage ), ( TInt )( notification.iError ) ); |
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534 |
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535 if ( notification.iError != KErrNone ) |
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536 { |
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537 // Notify UI |
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538 iState = CCRConnection::EIdle; |
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539 |
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540 MCRConnectionObserver::TCRConnectionStatus status; |
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541 status = MCRConnectionObserver::ECRIapDown; |
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542 for ( TInt i( 0 ); i < iObservers.Count(); i++ ) |
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543 { |
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544 iObservers[i]->ConnectionStatusChange( 0, status, notification.iError ); |
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545 } |
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546 |
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547 if ( iConnection.SubSessionHandle() ) |
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548 { |
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549 iConnection.CancelProgressNotification(); |
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550 iConMonProgressNotifyPending = EFalse; |
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551 CloseRConnection(); |
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552 } |
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553 |
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554 iCurrentConnectionId = 0; |
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555 iBearerType = EBearerUnknown; |
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556 } |
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557 else |
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558 { |
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559 switch ( notification.iStage ) |
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560 { |
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561 case KLinkLayerOpen: |
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562 // this means we're open |
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563 break; |
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564 |
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565 case KConfigDaemonStartingDeregistration: |
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566 case KConfigDaemonUnloading: |
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567 case KConfigDaemonUnloaded: |
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568 case KLinkLayerClosed: |
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569 // And we're closed or closing |
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570 break; |
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571 |
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572 default: |
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573 // Do nothing in rest of the cases |
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574 break; |
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575 } |
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576 |
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577 if ( iConnection.SubSessionHandle() ) |
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578 { |
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579 iConnection.ProgressNotification( iNotification, iStatus ); |
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580 iConMonProgressNotifyPending = ETrue; |
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581 SetActive(); |
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582 } |
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583 } |
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584 } |
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585 |
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586 // End of File |
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