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/*
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* Copyright (c) 2006-2007 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: DUN USB plugin
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*
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*/
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#include <c32comm.h>
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#include <d32usbc.h>
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#include "DunPlugin.h"
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#include "DunUtils.h"
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#include "DunUsbPlugin.h"
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#include "DunDebug.h"
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_LIT( KUsbCsyName, "ECACM" );
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_LIT( KUsbPortName, "ACM" );
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_LIT( KUsbPortPort, "::" );
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_LIT( KUsbLddName, "EUSBC" );
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_LIT( KUsbChannelName, "DUNUSB::" );
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const TInt KCharactersInTInt = 10; // For "2147483648"
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const TUint8 KDefaultAcmProtocolNum = 0x01; // Hayes compatible modem
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// ======== MEMBER FUNCTIONS ========
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// ---------------------------------------------------------------------------
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// CDunUsbPlugin::CDunUsbPlugin
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// ---------------------------------------------------------------------------
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//
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CDunUsbPlugin::CDunUsbPlugin() :
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iServer( NULL ),
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iUsbListen( NULL ),
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iUsbConfig( NULL ),
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iTransporter( NULL )
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{
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}
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// ---------------------------------------------------------------------------
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// Destructor.
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// ---------------------------------------------------------------------------
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//
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CDunUsbPlugin::~CDunUsbPlugin()
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{
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FTRACE(FPrint( _L( "CDunUsbPlugin::~CDunUsbPlugin()" ) ));
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Uninitialize();
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FTRACE(FPrint( _L( "CDunUsbPlugin::~CDunUsbPlugin() complete" ) ));
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}
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// ---------------------------------------------------------------------------
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// State of this plugin
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// ---------------------------------------------------------------------------
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//
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TDunPluginState CDunUsbPlugin::PluginState()
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{
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return iServer->GetPluginStateByUid( KDunUsbPluginUid );
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}
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// ---------------------------------------------------------------------------
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// Constructs a listener object for this plugin
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// ---------------------------------------------------------------------------
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//
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void CDunUsbPlugin::ConstructListenerL()
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{
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FTRACE(FPrint(_L("CDunUsbPlugin::ConstructListenerL()")));
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if ( PluginState() != EDunStateLoaded )
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{
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FTRACE(FPrint(_L("CDunUsbPlugin::ConstructListenerL() (not ready) complete")));
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User::Leave( KErrNotReady );
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}
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ReportStateChangeUp( EDunStateTryListen );
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if ( iUsbListen )
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{
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FTRACE(FPrint(_L("CDunUsbPlugin::ConstructListenerL() (already exists) complete")));
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User::Leave( KErrAlreadyExists );
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}
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InitUsbL();
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CDunUsbListen* listen = CDunUsbListen::NewL( iServer, this, iUsbServer );
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CleanupStack::PushL( listen );
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TInt retTemp = listen->IssueRequestL();
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CleanupStack::Pop( listen );
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iUsbListen = listen;
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// Here return value of KErrAlreadyExists means the device is already
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// configured
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// In this case we have to switch directly to channeled mode
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ReportStateChangeUp( EDunStateListening );
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if ( retTemp == KErrAlreadyExists )
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{
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TBool noFreeChans = EFalse;
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// noFreeChans will be omitted (not needed to set to RComm)
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NotifyChannelAllocate( noFreeChans ); // Create channel and change state
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}
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FTRACE(FPrint(_L("CDunUsbPlugin::ConstructListenerL() complete")));
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}
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// ---------------------------------------------------------------------------
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// Initializes USB by loading LDD
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// ---------------------------------------------------------------------------
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//
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void CDunUsbPlugin::InitUsbL()
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{
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FTRACE(FPrint( _L( "CDunUsbPlugin::InitUsbL()") ));
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// Load Logical device driver for USB
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FTRACE(FPrint( _L( "CDunUsbPlugin::InitUsbL() LoadLogicalDevice") ));
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TInt retTemp = User::LoadLogicalDevice( KUsbLddName );
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if ( retTemp!=KErrAlreadyExists && retTemp!=KErrNone )
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{
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User::Leave( retTemp );
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}
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// Connect to the USB Manager server
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FTRACE(FPrint( _L( "CDunUsbPlugin::InitUsbL() Connect()") ));
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User::LeaveIfError( iUsbServer.Connect() );
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// Create USB configuration accessor and listener
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iUsbConfig = CDunUsbConfig::NewL( iServer, this, KDefaultAcmProtocolNum );
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FTRACE(FPrint( _L( "CDunUsbPlugin::InitUsbL() complete") ));
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}
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// ---------------------------------------------------------------------------
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// Initializes all usable USB ports for DUN
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// ---------------------------------------------------------------------------
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//
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TInt CDunUsbPlugin::InitPorts()
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{
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FTRACE(FPrint( _L( "CDunUsbPlugin::InitPorts() (num=%d)" ), iUsbPorts.Count()));
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TInt i;
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TInt retTemp = CreateAllPorts();
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if ( retTemp != KErrNone )
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{
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FTRACE(FPrint( _L( "CDunUsbPlugin::InitPorts() (ERROR) complete" )));
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return retTemp;
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}
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TInt count = iUsbPorts.Count();
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for ( i=0; i<count; i++ )
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{
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retTemp = InitOnePort( &iUsbPorts[i] );
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if ( retTemp != KErrNone )
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{
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FTRACE(FPrint( _L( "CDunUsbPlugin::InitPorts() (not ready) complete" )));
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return KErrGeneral;
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}
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}
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FTRACE(FPrint( _L( "CDunUsbPlugin::InitPorts() complete" )));
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return KErrNone;
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}
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// ---------------------------------------------------------------------------
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// Creates empty usable USB ports that can be used by DUN
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// ---------------------------------------------------------------------------
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//
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TInt CDunUsbPlugin::CreateAllPorts()
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{
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FTRACE(FPrint( _L( "CDunUsbPlugin::CreateAllPorts()" ) ));
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// Connect to comms server
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TInt retTemp = CDunUtils::ConnectCommsServer( iCommServer );
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if ( retTemp != KErrNone )
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{
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FTRACE(FPrint( _L( "CDunUsbPlugin::CreateAllPorts() (ERROR) complete" )));
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return retTemp;
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}
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// Load communications module
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retTemp = iCommServer.LoadCommModule( KUsbCsyName );
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if ( retTemp!=KErrNone && retTemp!=KErrAlreadyExists )
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{
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FTRACE(FPrint( _L( "CDunUsbPlugin::CreateAllPorts() (LoadCommModule failed) complete" ) ));
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return retTemp;
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}
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// Stop waiter now (just to be sure) before explicitly fetching port data
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iUsbConfig->Stop();
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// Find out what ports can be supported and append them to array
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TBool validConfig;
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TUsbPortEntity entity;
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for ( TInt i=0;; i++ )
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{
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retTemp = iUsbConfig->GetConfigValidityByIndex( i, validConfig );
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if ( retTemp != KErrNone )
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{
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break;
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}
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if ( !validConfig )
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{
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continue;
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}
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// Valid config found, append it to array
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entity.iPortNum = i;
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retTemp = iUsbPorts.Append( entity );
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if ( retTemp != KErrNone )
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{
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FTRACE(FPrint( _L( "CDunUsbPlugin::CreateAllPorts() (append failed!) complete" ) ));
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return retTemp;
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}
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}
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FTRACE(FPrint( _L( "CDunUsbPlugin::CreateAllPorts() complete" ) ));
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return KErrNone;
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}
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// ---------------------------------------------------------------------------
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// Initializes one USB port for DUN
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// ---------------------------------------------------------------------------
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//
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TInt CDunUsbPlugin::InitOnePort( TUsbPortEntity* aEntity )
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{
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FTRACE(FPrint( _L( "CDunUsbPlugin::InitOnePort()" )));
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if ( !aEntity )
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{
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FTRACE(FPrint( _L( "CDunUsbPlugin::InitOnePort() (not initialized!) complete" )));
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return KErrGeneral;
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}
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TInt retTemp;
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TName portName;
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portName.Copy( KUsbPortName );
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portName.Append( KUsbPortPort );
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portName.AppendNum( aEntity->iPortNum );
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retTemp = aEntity->iUsbPort.Open( iCommServer,
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portName,
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ECommExclusive,
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ECommRoleDCE );
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if ( retTemp != KErrNone )
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{
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FTRACE(FPrint( _L( "CDunUsbPlugin::InitOnePort() Open failed (%d)" ), retTemp));
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return retTemp;
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}
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TRAPD( retTrap, SetChannelL(aEntity) );
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if ( retTrap != KErrNone )
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{
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iTransporter->FreeChannel( &aEntity->iUsbPort );
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FTRACE(FPrint( _L( "CDunUsbPlugin::InitOnePort() (trapped!) complete" )));
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return retTrap;
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}
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FTRACE(FPrint( _L( "CDunUsbPlugin::InitOnePort() complete" )));
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return KErrNone;
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}
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// ---------------------------------------------------------------------------
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// Sets channel for one USB port
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// ---------------------------------------------------------------------------
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//
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void CDunUsbPlugin::SetChannelL( TUsbPortEntity* aEntity )
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{
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FTRACE(FPrint( _L( "CDunUsbPlugin::SetChannelL()" )));
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if ( !aEntity )
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{
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FTRACE(FPrint( _L( "CDunUsbPlugin::SetChannelL() (not initialized!) complete" )));
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User::Leave( KErrGeneral );
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}
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HBufC8* channelName = HBufC8::NewMaxLC( KUsbChannelName().Length() +
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KCharactersInTInt );
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TPtr8 channelNamePtr = channelName->Des();
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channelNamePtr.Copy( KUsbChannelName );
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channelNamePtr.AppendNum( aEntity->iPortNum );
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iTransporter->AllocateChannelL( &aEntity->iUsbPort,
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KDunUsbPluginUid,
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channelNamePtr,
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ETrue,
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this );
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AddSkippedErrorL( KErrUsbInterfaceChange, &aEntity->iUsbPort );
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iTransporter->AddConnMonCallbackL( &aEntity->iUsbPort,
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this,
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EDunReaderUpstream,
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EFalse );
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iTransporter->AddConnMonCallbackL( &aEntity->iUsbPort,
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this,
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EDunWriterUpstream,
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EFalse );
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iTransporter->AddConnMonCallbackL( &aEntity->iUsbPort,
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this,
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EDunReaderDownstream,
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EFalse );
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iTransporter->AddConnMonCallbackL( &aEntity->iUsbPort,
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this,
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EDunWriterDownstream,
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EFalse );
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iTransporter->IssueTransferRequestsL( &aEntity->iUsbPort );
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CleanupStack::PopAndDestroy( channelName );
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FTRACE(FPrint( _L( "CDunUsbPlugin::SetChannelL() complete" )));
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}
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// ---------------------------------------------------------------------------
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// Adds skipped error code to Transporter
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// The skipped error is added to local media's read and write operations
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// ---------------------------------------------------------------------------
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//
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void CDunUsbPlugin::AddSkippedErrorL( TInt aError, RComm* aComm )
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{
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iTransporter->AddSkippedErrorL( aError, aComm, EDunReaderUpstream );
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iTransporter->AddSkippedErrorL( aError, aComm, EDunWriterDownstream );
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}
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// ---------------------------------------------------------------------------
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// Sets new state
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// New state must be one more than the old state
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// ---------------------------------------------------------------------------
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//
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TInt CDunUsbPlugin::ReportStateChangeUp( TDunPluginState aPluginState )
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{
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FTRACE(FPrint(_L("CDunUsbPlugin::ReportStateChangeUp()")));
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TInt retTemp = iServer->NotifyPluginStateChangeUp( aPluginState,
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KDunUsbPluginUid );
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if ( retTemp != KErrNone )
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{
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FTRACE(FPrint(_L("CDunUsbPlugin::ReportStateChangeUp() (ERROR) complete")));
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return retTemp;
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}
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FTRACE(FPrint(_L("CDunUsbPlugin::ReportStateChangeUp() complete")));
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return KErrNone;
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}
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// ---------------------------------------------------------------------------
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// Sets new state
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// New state must be one less than the old state
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// ---------------------------------------------------------------------------
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//
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TInt CDunUsbPlugin::ReportStateChangeDown( TDunPluginState aPluginState )
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{
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FTRACE(FPrint(_L("CDunUsbPlugin::ReportStateChangeDown()")));
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TInt retTemp = iServer->NotifyPluginStateChangeDown( aPluginState,
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KDunUsbPluginUid );
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if ( retTemp != KErrNone )
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{
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FTRACE(FPrint(_L("CDunUsbPlugin::ReportStateChangeDown() (ERROR) complete")));
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return retTemp;
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}
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FTRACE(FPrint(_L("CDunUsbPlugin::ReportStateChangeDown() complete")));
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return KErrNone;
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}
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// ---------------------------------------------------------------------------
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// Frees existing channels
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// ---------------------------------------------------------------------------
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//
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TInt CDunUsbPlugin::FreeChannels()
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{
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FTRACE(FPrint(_L("CDunUsbPlugin::FreeChannels()")));
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if ( PluginState() != EDunStateTryUninitialize )
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{
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FTRACE(FPrint( _L( "CDunUsbPlugin::FreeChannels() (not ready) complete" ) ));
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return KErrNotReady;
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}
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TInt i;
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TInt count = iUsbPorts.Count();
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|
350 |
for ( i=0; i<count; i++ )
|
|
|
351 |
{
|
|
|
352 |
FTRACE(FPrint( _L( "CDunUsbPlugin::FreeChannels() i=%d" ), i));
|
|
|
353 |
if ( iUsbPorts[i].iUsbPort.SubSessionHandle() )
|
|
|
354 |
{
|
|
|
355 |
iTransporter->FreeChannel( &iUsbPorts[i].iUsbPort );
|
|
|
356 |
iUsbPorts[i].iUsbPort.SetSignals( 0, KSignalDCEOutputs );
|
|
|
357 |
iUsbPorts[i].iUsbPort.Close();
|
|
|
358 |
}
|
|
|
359 |
}
|
|
|
360 |
iUsbPorts.Close();
|
|
|
361 |
if ( iCommServer.Handle() != KNullHandle )
|
|
|
362 |
{
|
|
|
363 |
iCommServer.UnloadCommModule( KUsbCsyName );
|
|
|
364 |
iCommServer.Close();
|
|
|
365 |
}
|
|
|
366 |
FTRACE(FPrint(_L("CDunUsbPlugin::FreeChannels() complete")));
|
|
|
367 |
return KErrNone;
|
|
|
368 |
}
|
|
|
369 |
|
|
|
370 |
// ---------------------------------------------------------------------------
|
|
|
371 |
// Uninitializes this plugin
|
|
|
372 |
// ---------------------------------------------------------------------------
|
|
|
373 |
//
|
|
|
374 |
TInt CDunUsbPlugin::Uninitialize()
|
|
|
375 |
{
|
|
|
376 |
FTRACE(FPrint( _L( "CDunUsbPlugin::Uninitialize()" ) ));
|
|
|
377 |
ReportStateChangeDown( EDunStateTryUninitialize );
|
|
|
378 |
// Free channel(s), ignore errors
|
|
|
379 |
FreeChannels();
|
|
|
380 |
delete iUsbListen; // delete before iUsbServer close
|
|
|
381 |
iUsbListen = NULL;
|
|
|
382 |
delete iUsbConfig;
|
|
|
383 |
iUsbConfig = NULL;
|
|
|
384 |
if ( iUsbServer.Handle() != KNullHandle )
|
|
|
385 |
{
|
|
|
386 |
iUsbServer.Close();
|
|
|
387 |
}
|
|
|
388 |
User::FreeLogicalDevice( KUsbLddName );
|
|
|
389 |
ReportStateChangeUp( EDunStateUninitialized );
|
|
|
390 |
ReportStateChangeUp( EDunStateTryLoad );
|
|
|
391 |
ReportStateChangeUp( EDunStateLoaded );
|
|
|
392 |
FTRACE(FPrint( _L( "CDunUsbPlugin::Uninitialize() complete" ) ));
|
|
|
393 |
return KErrNone;
|
|
|
394 |
}
|
|
|
395 |
|
|
|
396 |
// ---------------------------------------------------------------------------
|
|
|
397 |
// Gets port's index and entity by connection ID
|
|
|
398 |
// ---------------------------------------------------------------------------
|
|
|
399 |
//
|
|
|
400 |
TInt CDunUsbPlugin::GetEntityByConnId( TConnId aConnId,
|
|
|
401 |
TUsbPortEntity*& aEntity )
|
|
|
402 |
{
|
|
|
403 |
FTRACE(FPrint( _L( "CDunUsbPlugin::GetEntityByConnId()")) );
|
|
|
404 |
TInt i;
|
|
|
405 |
TInt count = iUsbPorts.Count();
|
|
|
406 |
for ( i=0; i<count; i++ )
|
|
|
407 |
{
|
|
|
408 |
if ( &iUsbPorts[i].iUsbPort == aConnId )
|
|
|
409 |
{
|
|
|
410 |
aEntity = &iUsbPorts[i];
|
|
|
411 |
FTRACE(FPrint( _L( "CDunUsbPlugin::GetEntityByConnId() complete")) );
|
|
|
412 |
return i;
|
|
|
413 |
}
|
|
|
414 |
}
|
|
|
415 |
aEntity = NULL;
|
|
|
416 |
FTRACE(FPrint( _L( "CDunUsbPlugin::GetEntityByConnId() (not found) complete")) );
|
|
|
417 |
return KErrNotFound;
|
|
|
418 |
}
|
|
|
419 |
|
|
|
420 |
// ---------------------------------------------------------------------------
|
|
|
421 |
// Gets port's entity by port number
|
|
|
422 |
// ---------------------------------------------------------------------------
|
|
|
423 |
//
|
|
|
424 |
TInt CDunUsbPlugin::GetEntityByPortNumber( TInt aPortNum,
|
|
|
425 |
TUsbPortEntity*& aEntity )
|
|
|
426 |
{
|
|
|
427 |
FTRACE(FPrint( _L( "CDunUsbPlugin::GetEntityByPortNumber()")) );
|
|
|
428 |
TInt i;
|
|
|
429 |
TInt count = iUsbPorts.Count();
|
|
|
430 |
for ( i=0; i<count; i++ )
|
|
|
431 |
{
|
|
|
432 |
if ( iUsbPorts[i].iPortNum == aPortNum )
|
|
|
433 |
{
|
|
|
434 |
aEntity = &iUsbPorts[i];
|
|
|
435 |
FTRACE(FPrint( _L( "CDunUsbPlugin::GetEntityByPortNumber() complete")) );
|
|
|
436 |
return i;
|
|
|
437 |
}
|
|
|
438 |
}
|
|
|
439 |
aEntity = NULL;
|
|
|
440 |
FTRACE(FPrint( _L( "CDunUsbPlugin::GetEntityByPortNumber() (not found) complete")) );
|
|
|
441 |
return KErrNotFound;
|
|
|
442 |
}
|
|
|
443 |
|
|
|
444 |
// ---------------------------------------------------------------------------
|
|
|
445 |
// Gets first free port's index and entity
|
|
|
446 |
// ---------------------------------------------------------------------------
|
|
|
447 |
//
|
|
|
448 |
TInt CDunUsbPlugin::GetFirstFreeEntity( TUsbPortEntity*& aEntity )
|
|
|
449 |
{
|
|
|
450 |
FTRACE(FPrint( _L( "CDunUsbPlugin::GetFirstFreeEntity()")) );
|
|
|
451 |
TInt i;
|
|
|
452 |
TInt count = iUsbPorts.Count();
|
|
|
453 |
for ( i=0; i<count; i++ )
|
|
|
454 |
{
|
|
|
455 |
if ( iUsbPorts[i].iPortNum == KErrNotFound &&
|
|
|
456 |
!iUsbPorts[i].iUsbPort.SubSessionHandle() )
|
|
|
457 |
{
|
|
|
458 |
aEntity = &iUsbPorts[i];
|
|
|
459 |
FTRACE(FPrint( _L( "CDunUsbPlugin::GetFirstFreeEntity() complete")) );
|
|
|
460 |
return i;
|
|
|
461 |
}
|
|
|
462 |
}
|
|
|
463 |
aEntity = NULL;
|
|
|
464 |
FTRACE(FPrint( _L( "CDunUsbPlugin::GetFirstFreeEntity() (not found) complete")) );
|
|
|
465 |
return KErrNotFound;
|
|
|
466 |
}
|
|
|
467 |
|
|
|
468 |
// ---------------------------------------------------------------------------
|
|
|
469 |
// From class MDunLocalMediaPlugin.
|
|
|
470 |
// CDunUsbPlugin::ConstructL
|
|
|
471 |
// ---------------------------------------------------------------------------
|
|
|
472 |
//
|
|
|
473 |
void CDunUsbPlugin::ConstructL( MDunServerCallback* aServer,
|
|
|
474 |
CDunTransporter* aTransporter )
|
|
|
475 |
{
|
|
|
476 |
FTRACE(FPrint( _L( "CDunUsbPlugin::ConstructL()" ) ));
|
|
|
477 |
if ( !aServer || !aTransporter )
|
|
|
478 |
{
|
|
|
479 |
FTRACE(FPrint( _L( "CDunUsbPlugin::ConstructL() not initialized!" ) ));
|
|
|
480 |
User::Leave( KErrGeneral );
|
|
|
481 |
}
|
|
|
482 |
iServer = aServer;
|
|
|
483 |
iTransporter = aTransporter;
|
|
|
484 |
FTRACE(FPrint( _L( "CDunUsbPlugin::ConstructL() complete" ) ));
|
|
|
485 |
}
|
|
|
486 |
|
|
|
487 |
// ---------------------------------------------------------------------------
|
|
|
488 |
// From class MDunLocalMediaPlugin.
|
|
|
489 |
// Gets called when server changes a plugin's state
|
|
|
490 |
// ---------------------------------------------------------------------------
|
|
|
491 |
//
|
|
|
492 |
TInt CDunUsbPlugin::NotifyServerStateChange( TDunPluginState aPluginState )
|
|
|
493 |
{
|
|
|
494 |
FTRACE(FPrint(_L("CDunUsbPlugin::NotifyServerStateChange()")));
|
|
|
495 |
TInt retTemp;
|
|
|
496 |
switch ( aPluginState )
|
|
|
497 |
{
|
|
|
498 |
case EDunStateTryListen:
|
|
|
499 |
if ( PluginState() != EDunStateLoaded )
|
|
|
500 |
{
|
|
|
501 |
FTRACE(FPrint(_L("CDunUsbPlugin::NotifyServerStateChange() (not ready) complete")));
|
|
|
502 |
return KErrNotReady;
|
|
|
503 |
}
|
|
|
504 |
// Change to listening mode
|
|
|
505 |
TRAPD( retTrap, ConstructListenerL() );
|
|
|
506 |
if ( retTrap != KErrNone )
|
|
|
507 |
{
|
|
|
508 |
FTRACE(FPrint(_L("CDunUsbPlugin::NotifyServerStateChange() (ERROR) complete (%d)"), retTrap));
|
|
|
509 |
return retTrap;
|
|
|
510 |
}
|
|
|
511 |
break;
|
|
|
512 |
case EDunStateTryUninitialize:
|
|
|
513 |
if ( PluginState() == EDunStateUninitialized )
|
|
|
514 |
{
|
|
|
515 |
FTRACE(FPrint(_L("CDunUsbPlugin::NotifyServerStateChange() (not ready) complete")));
|
|
|
516 |
return KErrNotReady;
|
|
|
517 |
}
|
|
|
518 |
// Uninitialize
|
|
|
519 |
retTemp = Uninitialize();
|
|
|
520 |
if ( retTemp != KErrNone )
|
|
|
521 |
{
|
|
|
522 |
FTRACE(FPrint(_L("CDunUsbPlugin::NotifyServerStateChange() (not ready) complete (%d)"), retTemp));
|
|
|
523 |
return retTemp;
|
|
|
524 |
}
|
|
|
525 |
break;
|
|
|
526 |
default:
|
|
|
527 |
FTRACE(FPrint(_L("CDunUsbPlugin::NotifyServerStateChange() (unknown state) complete")));
|
|
|
528 |
return KErrNotSupported;
|
|
|
529 |
}
|
|
|
530 |
FTRACE(FPrint(_L("CDunUsbPlugin::NotifyServerStateChange() complete")));
|
|
|
531 |
return KErrNone;
|
|
|
532 |
}
|
|
|
533 |
|
|
|
534 |
// ---------------------------------------------------------------------------
|
|
|
535 |
// From class MDunLocalMediaPlugin.
|
|
|
536 |
// Gets called when server needs to know the active connection
|
|
|
537 |
// ---------------------------------------------------------------------------
|
|
|
538 |
//
|
|
|
539 |
TConnId CDunUsbPlugin::ActiveConnection()
|
|
|
540 |
{
|
|
|
541 |
FTRACE(FPrint(_L("CDunUsbPlugin::ActiveConnection()")));
|
|
|
542 |
FTRACE(FPrint(_L("CDunUsbPlugin::ActiveConnection() (not found) complete")));
|
|
|
543 |
return NULL;
|
|
|
544 |
}
|
|
|
545 |
|
|
|
546 |
// ---------------------------------------------------------------------------
|
|
|
547 |
// From class MDunListenCallback.
|
|
|
548 |
// Gets called when new channel must be created
|
|
|
549 |
// ---------------------------------------------------------------------------
|
|
|
550 |
//
|
|
|
551 |
TInt CDunUsbPlugin::NotifyChannelAllocate( TBool& /*aNoFreeChans*/ )
|
|
|
552 |
{
|
|
|
553 |
FTRACE(FPrint(_L("CDunUsbPlugin::NotifyChannelAllocate()")));
|
|
|
554 |
if ( PluginState() != EDunStateListening )
|
|
|
555 |
{
|
|
|
556 |
FTRACE(FPrint(_L("CDunUsbPlugin::NotifyChannelAllocate() (not ready) complete")));
|
|
|
557 |
return KErrNotReady;
|
|
|
558 |
}
|
|
|
559 |
ReportStateChangeUp( EDunStateTryChannel );
|
|
|
560 |
TInt retTemp = InitPorts();
|
|
|
561 |
if ( retTemp != KErrNone )
|
|
|
562 |
{
|
|
|
563 |
FTRACE(FPrint(_L("CDunUsbPlugin::NotifyChannelAllocate() (ERROR) complete")));
|
|
|
564 |
return retTemp;
|
|
|
565 |
}
|
|
|
566 |
// Channels allocated so start to wait for possible port config change
|
|
|
567 |
retTemp = iUsbConfig->IssueRequest();
|
|
|
568 |
if ( retTemp != KErrNone )
|
|
|
569 |
{
|
|
|
570 |
FTRACE(FPrint(_L("CDunUsbPlugin::NotifyChannelAllocate() (ERROR) complete")));
|
|
|
571 |
return retTemp;
|
|
|
572 |
}
|
|
|
573 |
iShutdown = EFalse;
|
|
|
574 |
ReportStateChangeUp( EDunStateChanneled );
|
|
|
575 |
FTRACE(FPrint(_L("CDunUsbPlugin::NotifyChannelAllocate() complete")));
|
|
|
576 |
return KErrNone;
|
|
|
577 |
}
|
|
|
578 |
|
|
|
579 |
// ---------------------------------------------------------------------------
|
|
|
580 |
// From class MDunListenCallback.
|
|
|
581 |
// Gets called when an existing channel must be freed
|
|
|
582 |
// ---------------------------------------------------------------------------
|
|
|
583 |
//
|
|
|
584 |
TInt CDunUsbPlugin::NotifyChannelFree()
|
|
|
585 |
{
|
|
|
586 |
FTRACE(FPrint(_L("CDunUsbPlugin::NotifyChannelFree()")));
|
|
|
587 |
if ( PluginState() != EDunStateChanneled )
|
|
|
588 |
{
|
|
|
589 |
FTRACE(FPrint(_L("CDunUsbPlugin::NotifyChannelFree() (not ready) complete")));
|
|
|
590 |
return KErrNotReady;
|
|
|
591 |
}
|
|
|
592 |
// Cable removed or PC sleep, hibernate or reset.
|
|
|
593 |
// Just remove channels.
|
|
|
594 |
ReportStateChangeDown( EDunStateTryUninitialize );
|
|
|
595 |
TInt retTemp = FreeChannels();
|
|
|
596 |
if ( retTemp != KErrNone )
|
|
|
597 |
{
|
|
|
598 |
FTRACE(FPrint(_L("CDunUsbPlugin::NotifyChannelFree() (ERROR) complete")));
|
|
|
599 |
return retTemp;
|
|
|
600 |
}
|
|
|
601 |
ReportStateChangeUp( EDunStateUninitialized );
|
|
|
602 |
ReportStateChangeUp( EDunStateTryLoad );
|
|
|
603 |
ReportStateChangeUp( EDunStateLoaded );
|
|
|
604 |
ReportStateChangeUp( EDunStateTryListen );
|
|
|
605 |
ReportStateChangeUp( EDunStateListening );
|
|
|
606 |
FTRACE(FPrint(_L("CDunUsbPlugin::NotifyChannelFree() complete")));
|
|
|
607 |
return KErrNone;
|
|
|
608 |
}
|
|
|
609 |
|
|
|
610 |
// ---------------------------------------------------------------------------
|
|
|
611 |
// From class MDunConnMon.
|
|
|
612 |
// Gets called when line status changes or when any type of error is detected
|
|
|
613 |
// ---------------------------------------------------------------------------
|
|
|
614 |
//
|
|
|
615 |
void CDunUsbPlugin::NotifyProgressChangeL(
|
|
|
616 |
TConnId aConnId,
|
|
|
617 |
TDunConnectionReason aConnReason )
|
|
|
618 |
{
|
|
|
619 |
FTRACE(FPrint( _L( "CDunUsbPlugin::NotifyProgressChangeL()")) );
|
|
|
620 |
// Find matching failed ID
|
|
|
621 |
TUsbPortEntity* foundEntity = NULL;
|
|
|
622 |
TInt foundIndex = GetEntityByConnId( aConnId, foundEntity );
|
|
|
623 |
if ( !foundEntity )
|
|
|
624 |
{
|
|
|
625 |
FTRACE(FPrint( _L( "CDunUsbPlugin::NotifyProgressChangeL() (not found) complete")) );
|
|
|
626 |
User::Leave( KErrNotFound );
|
|
|
627 |
}
|
|
|
628 |
if ( aConnReason.iReasonType == EDunReasonTypeRW ||
|
|
|
629 |
aConnReason.iReasonType == EDunReasonTypeRunL )
|
|
|
630 |
{
|
|
|
631 |
// The following check will make it possible for CDunUsbListen to react
|
|
|
632 |
// to cable removal (<KErrUsbDriverBase) or to the case when personality
|
|
|
633 |
// is changed from USBUI and LOCOD/USBWatcher is too slow to notify the
|
|
|
634 |
// change (KErrAccessDenied).
|
|
|
635 |
if ( aConnReason.iErrorCode < KErrUsbDriverBase ||
|
|
|
636 |
aConnReason.iErrorCode == KErrAccessDenied )
|
|
|
637 |
{
|
|
|
638 |
FTRACE(FPrint( _L( "CDunUsbPlugin::NotifyProgressChangeL() (shutdown now) complete")) );
|
|
|
639 |
iShutdown = ETrue;
|
|
|
640 |
return;
|
|
|
641 |
}
|
|
|
642 |
}
|
|
|
643 |
if ( iShutdown )
|
|
|
644 |
{
|
|
|
645 |
FTRACE(FPrint( _L( "CDunUsbPlugin::NotifyProgressChangeL() (shutdown) complete")) );
|
|
|
646 |
return;
|
|
|
647 |
}
|
|
|
648 |
// Now indications are down indications from local media side
|
|
|
649 |
if ( foundEntity->iUsbPort.SubSessionHandle() )
|
|
|
650 |
{
|
|
|
651 |
iTransporter->FreeChannel( &foundEntity->iUsbPort );
|
|
|
652 |
foundEntity->iUsbPort.SetSignals( 0, KSignalDCEOutputs );
|
|
|
653 |
foundEntity->iUsbPort.Close();
|
|
|
654 |
}
|
|
|
655 |
TInt retTemp = InitOnePort( foundEntity );
|
|
|
656 |
if ( retTemp != KErrNone )
|
|
|
657 |
{
|
|
|
658 |
FTRACE(FPrint( _L( "CDunUsbPlugin::NotifyProgressChangeL() (ERROR) complete")) );
|
|
|
659 |
User::Leave( KErrGeneral );
|
|
|
660 |
}
|
|
|
661 |
// Now this plugin was basically "restarted", but only for one
|
|
|
662 |
// channel. Because transporter has channels with waiters, notify
|
|
|
663 |
// server to reopen queued plugin(s)
|
|
|
664 |
iServer->NotifyPluginReopenRequest();
|
|
|
665 |
FTRACE(FPrint( _L( "CDunUsbPlugin::NotifyProgressChangeL() complete")) );
|
|
|
666 |
}
|
|
|
667 |
|
|
|
668 |
// ---------------------------------------------------------------------------
|
|
|
669 |
// From class MDunBufferCorrection.
|
|
|
670 |
// Gets called when request to change local media's buffer size
|
|
|
671 |
// ---------------------------------------------------------------------------
|
|
|
672 |
//
|
|
|
673 |
TInt CDunUsbPlugin::NotifyBufferCorrection( TInt aLength )
|
|
|
674 |
{
|
|
|
675 |
FTRACE(FPrint( _L( "CDunUsbPlugin::NotifyBufferCorrection()")) );
|
|
|
676 |
/*
|
|
|
677 |
* This method modifies the default buffer length to match the maximum value
|
|
|
678 |
* used by "CanHandleZLP=0" configuration option. This length is nearest length
|
|
|
679 |
* divisible by 64 - 1. With slow USB compared to high speed HSDPA some products
|
|
|
680 |
* can start to collect data to Dataport which results in full packet writes to
|
|
|
681 |
* USB. However, the default full packet must not be divisible by 64, which results
|
|
|
682 |
* in the ACM to send the full packet to LDD plus one extra packet with one byte
|
|
|
683 |
* (disabling interrupts for a long time with current non-DMA USB driver).
|
|
|
684 |
*/
|
|
|
685 |
TInt newLength = aLength;
|
|
|
686 |
if ( newLength % 64 == 0 )
|
|
|
687 |
{
|
|
|
688 |
newLength = ((aLength >> 6) << 6) - 1;
|
|
|
689 |
}
|
|
|
690 |
FTRACE(FPrint( _L( "CDunUsbPlugin::NotifyBufferCorrection() complete")) );
|
|
|
691 |
return newLength;
|
|
|
692 |
}
|
|
|
693 |
|
|
|
694 |
// ---------------------------------------------------------------------------
|
|
|
695 |
// From class MDunUsbConfig.
|
|
|
696 |
// Gets called when one or more ACM configurations are added
|
|
|
697 |
// ---------------------------------------------------------------------------
|
|
|
698 |
//
|
|
|
699 |
TInt CDunUsbPlugin::NotifyConfigAddition( TInt aIndex )
|
|
|
700 |
{
|
|
|
701 |
FTRACE(FPrint( _L( "CDunUsbPlugin::NotifyConfigAddition()")) );
|
|
|
702 |
// Configuration added so aIndex is the port number to be added to array.
|
|
|
703 |
// This port number must not already exist in the array.
|
|
|
704 |
TUsbPortEntity* foundEntity = NULL;
|
|
|
705 |
TInt foundIndex = GetEntityByPortNumber( aIndex, foundEntity );
|
|
|
706 |
if ( foundEntity )
|
|
|
707 |
{
|
|
|
708 |
FTRACE(FPrint( _L( "CDunUsbPlugin::NotifyConfigAddition() (already exists) complete")) );
|
|
|
709 |
return KErrAlreadyExists;
|
|
|
710 |
}
|
|
|
711 |
// Now either find port with KErrNotFound set as port number or if that is
|
|
|
712 |
// not found then try to append to array
|
|
|
713 |
foundIndex = GetFirstFreeEntity( foundEntity );
|
|
|
714 |
if ( !foundEntity ) // free not found so add new
|
|
|
715 |
{
|
|
|
716 |
// Now append the new port to array
|
|
|
717 |
TUsbPortEntity newEntity;
|
|
|
718 |
newEntity.iPortNum = aIndex;
|
|
|
719 |
TInt retTemp = iUsbPorts.Append( newEntity );
|
|
|
720 |
if ( retTemp != KErrNone )
|
|
|
721 |
{
|
|
|
722 |
FTRACE(FPrint( _L( "CDunUsbPlugin::NotifyConfigAddition() (append failed!) complete")) );
|
|
|
723 |
return KErrGeneral;
|
|
|
724 |
}
|
|
|
725 |
// entity not valid here so set now
|
|
|
726 |
foundEntity = &iUsbPorts[iUsbPorts.Count()-1];
|
|
|
727 |
}
|
|
|
728 |
else // free found so change array
|
|
|
729 |
{
|
|
|
730 |
foundEntity->iPortNum = aIndex;
|
|
|
731 |
}
|
|
|
732 |
// Open port and create channel for it
|
|
|
733 |
TInt retTemp = InitOnePort( foundEntity );
|
|
|
734 |
if ( retTemp != KErrNone )
|
|
|
735 |
{
|
|
|
736 |
FTRACE(FPrint( _L( "CDunUsbPlugin::NotifyConfigAddition() (ERROR) complete" )));
|
|
|
737 |
return KErrGeneral;
|
|
|
738 |
}
|
|
|
739 |
FTRACE(FPrint( _L( "CDunUsbPlugin::NotifyConfigAddition() complete")) );
|
|
|
740 |
return KErrNone;
|
|
|
741 |
}
|
|
|
742 |
|
|
|
743 |
// ---------------------------------------------------------------------------
|
|
|
744 |
// From class MDunUsbConfig.
|
|
|
745 |
// Gets called when one or more ACM configurations are removed
|
|
|
746 |
// ---------------------------------------------------------------------------
|
|
|
747 |
//
|
|
|
748 |
TInt CDunUsbPlugin::NotifyConfigRemoval( TInt aIndex )
|
|
|
749 |
{
|
|
|
750 |
FTRACE(FPrint( _L( "CDunUsbPlugin::NotifyConfigRemoval()")) );
|
|
|
751 |
// Configuration removed so aIndex is the port number to be added to array.
|
|
|
752 |
// This port number must already exist in the array.
|
|
|
753 |
TUsbPortEntity* foundEntity = NULL;
|
|
|
754 |
TInt foundIndex = GetEntityByPortNumber( aIndex, foundEntity );
|
|
|
755 |
if ( !foundEntity )
|
|
|
756 |
{
|
|
|
757 |
FTRACE(FPrint( _L( "CDunUsbPlugin::NotifyConfigRemoval() (not found) complete")) );
|
|
|
758 |
return KErrNotFound;
|
|
|
759 |
}
|
|
|
760 |
// Now free channel and mark as unused
|
|
|
761 |
iTransporter->FreeChannel( &foundEntity->iUsbPort );
|
|
|
762 |
foundEntity->iUsbPort.SetSignals( 0, KSignalDCEOutputs );
|
|
|
763 |
foundEntity->iUsbPort.Close();
|
|
|
764 |
iUsbPorts[foundIndex].iPortNum = KErrNotFound;
|
|
|
765 |
FTRACE(FPrint( _L( "CDunUsbPlugin::NotifyConfigRemoval() complete")) );
|
|
|
766 |
return KErrNone;
|
|
|
767 |
}
|
|
|
768 |
|
|
|
769 |
// ======== GLOBAL FUNCTIONS ========
|
|
|
770 |
|
|
|
771 |
// ---------------------------------------------------------------------------
|
|
|
772 |
// NewLocalPluginL implements factory construction for
|
|
|
773 |
// the class CDunUsbPlugin.
|
|
|
774 |
// The function is exported at ordinal 1.
|
|
|
775 |
// Returns: Pointer: The new instance of CDunUsbPlugin
|
|
|
776 |
// ---------------------------------------------------------------------------
|
|
|
777 |
//
|
|
|
778 |
EXPORT_C MDunLocalMediaPlugin* NewLocalPluginL()
|
|
|
779 |
{
|
|
|
780 |
return new (ELeave) CDunUsbPlugin;
|
|
|
781 |
}
|