author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 06 Jul 2010 15:28:29 +0300 | |
changeset 86 | c572a90d97eb |
parent 68 | 92a765b5b3e7 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2002 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 the License "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: |
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* Implementation of class CConnection. |
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* |
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* |
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*/ |
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|
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|
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// INCLUDE FILES |
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|
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#include "Connection.h" |
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#include "CodPanic.h" |
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#include "CodUtil.h" |
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#include "CodError.h" |
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#include "CodLogger.h" |
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#include <commdbconnpref.h> |
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#include <cdblen.h> |
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#include <es_enum.h> |
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// ================= MEMBER FUNCTIONS ======================= |
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|
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// --------------------------------------------------------- |
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// CConnection::NewL() |
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// --------------------------------------------------------- |
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// |
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CConnection* CConnection::NewL() |
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{ |
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CConnection* conn = new (ELeave) CConnection(); |
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CleanupStack::PushL( conn ); |
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conn->ConstructL(); |
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CleanupStack::Pop( conn ); |
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return conn; |
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} |
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|
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// --------------------------------------------------------- |
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// CConnection::~CConnection() |
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// --------------------------------------------------------- |
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// |
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CConnection::~CConnection() |
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{ |
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Cancel(); |
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DoClose(); |
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} |
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|
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// --------------------------------------------------------- |
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// CConnection::ConnectL() |
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// --------------------------------------------------------- |
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// |
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void CConnection::ConnectL( TUint32 aIap, TRequestStatus* aStatus ) |
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{ |
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CLOG(( EConn, 2, _L("-> CConnection::ConnectL iap(%d)"), aIap )); |
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// Misuse asserts. |
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__ASSERT_ALWAYS( aStatus, CodPanic( ECodInvalidArguments ) ); |
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// Internal asserts. |
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__ASSERT_DEBUG( !iParentStatus, CodPanic( ECodInternal ) ); |
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iStatus = KErrCodCannotConnect; |
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if ( iState == EConnected ) |
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{ |
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// Already connected; do nothing. |
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CLOG(( EConn, 4, _L(" already connected") )); |
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iStatus = KErrNone; |
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} |
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else if ( iState == EInit ) |
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{ |
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// Not connected. Create connection. |
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CLOG(( EConn, 4, _L(" starting connection") )); |
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// Make this part atomic by pushing closes on the stack. |
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User::LeaveIfError( iSockServ.Connect() ); |
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CleanupClosePushL<RSocketServ>( iSockServ ); |
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User::LeaveIfError( iConn.Open( iSockServ ) ); |
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CleanupClosePushL<RConnection>( iConn ); |
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iConnPref.SetDirection( ECommDbConnectionDirectionOutgoing ); |
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if ( aIap ) |
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{ |
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// Use specified IAP. |
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iConnPref.SetIapId( aIap ); |
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iConnPref.SetDialogPreference( ECommDbDialogPrefDoNotPrompt ); |
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} |
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else |
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{ |
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// aIap == 0 -> user select. |
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iConnPref.SetDialogPreference( ECommDbDialogPrefPrompt ); |
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} |
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iConn.Start( iConnPref, iStatus ); |
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iState = EConnecting; |
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SetActive(); |
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CleanupStack::Pop( 2 ); // closing iConn and iSockServ |
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// End of atomic part. |
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} |
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else |
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{ |
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// Not expecting this to be called in other states. |
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CLOG(( EConn, 0, _L("CConnection::ConnectL: unexpected state (%d)"), \ |
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iState )); |
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__ASSERT_ALWAYS( EFalse, CodPanic( ECodInternal ) ); |
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} |
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110 |
|
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iParentStatus = aStatus; |
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*iParentStatus = KRequestPending; |
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113 |
|
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if ( !IsActive() ) |
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115 |
{ |
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// Unless we have an outstanding connect request (iConn.Start), |
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// we are done. |
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118 |
Done(); |
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} |
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120 |
|
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CLOG(( EConn, 2, _L("<- CConnection::ConnectL") )); |
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122 |
} |
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123 |
|
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124 |
// --------------------------------------------------------- |
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125 |
// CConnection::AttachL() |
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// --------------------------------------------------------- |
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127 |
// |
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void CConnection::AttachL( TUint32 aIap ) |
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129 |
{ |
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CLOG(( EConn, 2, _L("-> CConnection::AttachL iap(%d)"), aIap )); |
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131 |
|
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iStatus = KErrCodCannotConnect; |
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if ( iState == EConnected ) |
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134 |
{ |
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// Already connected; do nothing. |
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CLOG(( EConn, 4, _L(" already connected") )); |
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iStatus = KErrNone; |
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} |
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else if ( iState == EInit ) |
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140 |
{ |
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// Not connected. Create connection, or attach to existing. |
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CLOG(( EConn, 4, _L(" not connected") )); |
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if ( aIap ) |
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144 |
{ |
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// Make this part atomic by pushing closes on the stack. |
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User::LeaveIfError( iSockServ.Connect() ); |
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CleanupClosePushL<RSocketServ>( iSockServ ); |
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User::LeaveIfError( iConn.Open( iSockServ ) ); |
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CleanupClosePushL<RConnection>( iConn ); |
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TConnectionInfoBuf connInfo; |
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TUint count; |
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User::LeaveIfError( iConn.EnumerateConnections( count ) ); |
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CLOG(( EConn, 4, _L(" %d existing connections"), count )); |
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TUint i; |
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for ( i = count; i; i-- ) |
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156 |
{ |
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// Note: GetConnectionInfo expects 1-based index. |
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User::LeaveIfError( iConn.GetConnectionInfo( i, connInfo ) ); |
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CLOG(( EConn, 4, _L(" conn(%d) iap(%d)"), \ |
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i, connInfo().iIapId )); |
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if ( connInfo().iIapId == aIap ) |
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162 |
{ |
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CLOG(( EConn, 4, _L(" attach"), i, count )); |
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User::LeaveIfError( iConn.Attach |
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( connInfo, RConnection::EAttachTypeNormal ) ); |
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166 |
iState = EConnected; |
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iStatus = KErrNone; |
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break; |
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169 |
} |
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170 |
} |
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171 |
CleanupStack::Pop( 2 ); // closing iConn and iSockServ |
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// End of atomic part. |
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173 |
} |
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if ( iState == EInit ) |
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175 |
{ |
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176 |
CLOG(( EConn, 4, _L(" ended unconnected") )); |
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177 |
iConn.Close(); |
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178 |
iSockServ.Close(); |
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179 |
} |
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180 |
} |
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181 |
else |
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182 |
{ |
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183 |
// Not expecting this to be called in other states. |
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184 |
CLOG(( EConn, 0, _L("CConnection::AttachL: unexpected state (%d)"), \ |
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185 |
iState )); |
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__ASSERT_ALWAYS( EFalse, CodPanic( ECodInternal ) ); |
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187 |
} |
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188 |
User::LeaveIfError( iStatus.Int() ); |
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189 |
|
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CLOG(( EConn, 2, _L("<- CConnection::AttachL") )); |
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191 |
} |
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192 |
|
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193 |
// --------------------------------------------------------- |
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// CConnection::Close() |
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195 |
// --------------------------------------------------------- |
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196 |
// |
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197 |
void CConnection::Close() |
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198 |
{ |
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CLOG(( EConn, 2, _L("-> CConnection::Close") )); |
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Cancel(); |
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201 |
DoClose(); |
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202 |
CLOG(( EConn, 2, _L("<- CConnection::Close") )); |
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203 |
} |
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204 |
|
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205 |
// --------------------------------------------------------- |
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206 |
// CConnection::IsConnected() |
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207 |
// --------------------------------------------------------- |
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208 |
// |
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209 |
TBool CConnection::IsConnected( TUint32& aIap ) |
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210 |
{ |
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211 |
TBool connected( EFalse ); |
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212 |
if( iState == EConnected ) |
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213 |
{ |
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TBuf<KCommsDbSvrMaxColumnNameLength * 2 + 1> iapId; |
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215 |
_LIT( KFormatIapId, "%S\\%S" ); |
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216 |
TPtrC iap( IAP ); |
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217 |
TPtrC id( COMMDB_ID ); |
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iapId.Format( KFormatIapId, &iap, &id ); |
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TInt err = iConn.GetIntSetting( iapId, aIap ); |
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connected = err ? EFalse : ETrue; |
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} |
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return connected; |
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} |
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|
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// --------------------------------------------------------- |
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// CConnection::CConnection() |
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// --------------------------------------------------------- |
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// |
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CConnection::CConnection() |
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: CActive( CActive::EPriorityStandard ), |
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iState( EInit ) |
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{ |
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CActiveScheduler::Add( this ); |
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} |
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|
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// --------------------------------------------------------- |
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// CConnection::ConstructL() |
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// --------------------------------------------------------- |
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// |
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void CConnection::ConstructL() |
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{ |
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if ( !CodUtil::ApCountL() ) |
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{ |
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// It's futile to try making a connection without an AP, so leave if |
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// we don't have any. |
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User::Leave( KErrCodNoAccessPoint ); |
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} |
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} |
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|
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// --------------------------------------------------------- |
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// CConnection::DoCancel() |
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// --------------------------------------------------------- |
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// |
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void CConnection::DoCancel() |
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{ |
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CLOG(( EConn, 2, _L("-> CConnection::DoCancel") )); |
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__ASSERT_DEBUG( iState == EConnecting, CodPanic( ECodInternal ) ); |
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// RConnection has no cancel method matching the async RConnection::Start. |
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// The only way to cancel is to close the RConnection. |
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// (Our request will complete with KErrCancel, as expected.) |
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DoClose(); |
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Done(); |
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CLOG(( EConn, 2, _L("<- CConnection::DoCancel") )); |
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} |
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|
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// --------------------------------------------------------- |
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// CConnection::RunL() |
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// --------------------------------------------------------- |
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// |
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void CConnection::RunL() |
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{ |
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CLOG(( EConn, 2, _L("-> CConnection::RunL iStatus(%d)"), \ |
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iStatus.Int() )); |
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__ASSERT_DEBUG( iState == EConnecting, CodPanic( ECodInternal ) ); |
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User::LeaveIfError( iStatus.Int() ); // Handle errors in RunError(). |
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iState = EConnected; |
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Done(); |
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CLOG(( EConn, 2, _L("<- CConnection::RunL") )); |
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} |
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|
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// --------------------------------------------------------- |
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// CConnection::RunError() |
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// --------------------------------------------------------- |
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// |
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TInt CConnection::RunError( TInt LOG_ONLY( aError ) ) |
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{ |
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CLOG(( EConn, 2, _L("-> CConnection::RunError aError(%d)"), aError )); |
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__ASSERT_DEBUG( iState == EConnecting, CodPanic( ECodInternal ) ); |
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DoClose(); |
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Done(); |
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CLOG(( EConn, 2, _L("<- CConnection::RunError") )); |
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return KErrNone; |
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} |
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|
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// --------------------------------------------------------- |
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// CConnection::DoClose() |
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// --------------------------------------------------------- |
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// |
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void CConnection::DoClose() |
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{ |
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CLOG(( EConn, 2, _L("CConnection::DoClose") )); |
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iConn.Close(); |
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iSockServ.Close(); |
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iState = EInit; |
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} |
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|
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// --------------------------------------------------------- |
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// CConnection::Done() |
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// --------------------------------------------------------- |
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// |
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void CConnection::Done() |
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{ |
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CLOG(( EConn, 2, _L("CConnection::Done iStatus(%d)"), iStatus.Int() )); |
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__ASSERT_DEBUG( iParentStatus, CodPanic( ECodInternal ) ); |
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User::RequestComplete( iParentStatus, iStatus.Int() ); |
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iParentStatus = NULL; |
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} |