// Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
// All rights reserved.
// This component and the accompanying materials are made available
// under the terms of "Eclipse Public License v1.0"
// which accompanies this distribution, and is available
// at the URL "http://www.eclipse.org/legal/epl-v10.html".
//
// Initial Contributors:
// Nokia Corporation - initial contribution.
//
// Contributors:
//
// Description:
//
#include <mtp/cmtpdataproviderplugin.h>
#include <mtp/mtpdataproviderconfig.hrh>
#include <mtp/mtpprotocolconstants.h>
#include <mtp/tmtptyperesponse.h>
#include "cmtpsession.h"
#include "cmtpconnection.h"
#include "cmtpconnectionmgr.h"
#include "cmtpdataprovider.h"
#include "cmtpdataproviderconfig.h"
#include "cmtpframeworkconfig.h"
#include "cmtpobjectmgr.h"
#include "cmtpparserrouter.h"
#include "cmtpreferencemgr.h"
#include "cmtpstoragemgr.h"
#include "mmtptransactionproxy.h"
#include "rmtpframework.h"
#include "cdummydp.h"
#include "cmtpdatacodegenerator.h"
// Class constants.
__FLOG_STMT(_LIT8(KComponent,"DataProvider");)
const TInt KWaitForEnumeration = 1000000 * 3;
#define KMTPDummyDataProvider 0x0000
/**
CMTPDataProvider factory method.
@param aId The data provider identifier.
@param aUid The data provider implementation UID.
@param aConfig The data provider configurability parameter data. Ownership IS
transfered.
@return A pointer to a new CMTPDataProvider instance. Ownership IS transfered.
@leave One of the system wide error codes if a processing failure occurs.
*/
CMTPDataProvider* CMTPDataProvider::NewL(TUint aId, TUid aUid, CMTPDataProviderConfig* aConfig)
{
CMTPDataProvider* self = CMTPDataProvider::NewLC(aId, aUid, aConfig);
CleanupStack::Pop(self);
return self;
}
/**
CMTPDataProvider factory method. A pointer to the CMTPDataProvider instance is
placed on the cleanup stack.
@param aUid The data provider implementation UID.
@param aConfig The data provider configurability parameter data. Ownership IS
transfered.
@return A pointer to a new CMTPDataProvider instance. Ownership IS transfered.
@leave One of the system wide error codes if a processing failure occurs.
*/
CMTPDataProvider* CMTPDataProvider::NewLC(TUint aId, TUid aUid, CMTPDataProviderConfig* aConfig)
{
CMTPDataProvider* self = new (ELeave) CMTPDataProvider(aId, aUid, aConfig);
CleanupStack::PushL(self);
self->ConstructL();
return self;
}
/**
Destructor.
*/
CMTPDataProvider::~CMTPDataProvider()
{
__FLOG_VA((_L8("~CMTPDataProvider - Entry, data provider %d "), iId));
Cancel();
iSupported.ResetAndDestroy();
delete iImplementation;
iSingletons.Close();
// Only delete passed objects when fully constructed.
if (iConstructed)
{
delete iConfig;
}
iTimer.Close();
__FLOG_VA((_L8("~CMTPDataProvider - Exit, data provider %d "), iId));
__FLOG_CLOSE;
}
void CMTPDataProvider::ExecuteEventL(const TMTPTypeEvent& aEvent, MMTPConnection& aConnection)
{
__FLOG_VA((_L8("ExecuteEventL - Entry, data provider %d "), iId));
__ASSERT_DEBUG(iImplementation, User::Invariant());
if (iTimerActive && aEvent.Uint16(TMTPTypeEvent::EEventCode) == EMTPEventCodeCancelTransaction)
{
Cancel();
}
// Pass this event notification directly to the plugin...
// In reality we will only ever see one event canceltransaction.
iImplementation->ProcessEventL(aEvent, aConnection);
__FLOG_VA((_L8("ExecuteEventL - Exit, data provider %d "), iId));
}
void CMTPDataProvider::ExecuteRequestL(const TMTPTypeRequest& aRequest, MMTPConnection& aConnection)
{
__FLOG_VA((_L8("ExecuteRequestL - Entry, data provider %d "), iId));
__ASSERT_DEBUG(iImplementation, User::Invariant());
iCurrentRequest = &aRequest;
iCurrentConnection = &iSingletons.ConnectionMgr().ConnectionL(aConnection.ConnectionId());
// Schedule data provider to process this request.
Schedule();
__FLOG_VA((_L8("ExecuteRequestL - Exit, data provider %d "), iId));
}
EXPORT_C void CMTPDataProvider::ExecuteProxyRequestL(const TMTPTypeRequest& aRequest, MMTPConnection& aConnection, MMTPTransactionProxy& aProxy)
{
__FLOG_VA((_L8("ExecuteProxyRequestL - Entry, data provider %d "), iId));
iProxy = &aProxy;
iCurrentRequest = &aRequest;
iCurrentConnection = static_cast<CMTPConnection*>(&aConnection);
Schedule();
__FLOG_VA((_L8("ExecuteProxyRequestL - Exit, data provider %d "), iId));
}
void CMTPDataProvider::ExecutePendingRequestL()
{
__FLOG_VA((_L8("SchedulePendingRequestL - Entry")));
if (iCurrentRequest != NULL && !IsActive())
{
Schedule();
}
__FLOG_VA((_L8("SchedulePendingRequestL - Exit")));
}
void CMTPDataProvider::EnumerateObjectsL(TUint32 aStorageId)
{
__FLOG_VA((_L8("EnumerateObjectsL - Entry, data provider %d "), iId));
iEnumerationState = ((iEnumerationState & ~EObjectsEnumerationState) | EObjectsEnumerating);
TBool abnormaldown = EFalse;
iSingletons.FrameworkConfig().GetValueL(CMTPFrameworkConfig::EAbnormalDown, abnormaldown);
iImplementation->StartObjectEnumerationL(aStorageId, abnormaldown);
__FLOG_VA((_L8("EnumerateObjectsL - Exit, data provider %d "), iId));
}
void CMTPDataProvider::EnumerateStoragesL()
{
__FLOG_VA((_L8("EnumerateStoragesL - Entry, data provider %d "), iId));
iEnumerationState = ((iEnumerationState & ~EStoragesEnumerationState) | EStoragesEnumerating);
iImplementation->StartStorageEnumerationL();
__FLOG_VA((_L8("EnumerateStoragesL - Exit, data provider %d "), iId));
}
/**
Provides the data provider's enumeration state.
@return The data provider's enumeration state.
*/
EXPORT_C TUint CMTPDataProvider::EnumerationState() const
{
return iEnumerationState;
}
/**
Provides the data provider's implementation UID
@return The data provider's implementation UID.
*/
EXPORT_C TUid CMTPDataProvider::ImplementationUid() const
{
return iImplementationUid;
}
/**
Provides the handle of the bound data provider plug-in.
@return The data provider plug-in.
*/
EXPORT_C CMTPDataProviderPlugin& CMTPDataProvider::Plugin() const
{
__ASSERT_DEBUG(iImplementation, User::Invariant());
return *iImplementation;
}
EXPORT_C TBool CMTPDataProvider::Supported(TMTPSupportCategory aCategory, TUint aCode) const
{
return iSupported[aCategory]->Supported(aCode);
}
EXPORT_C const RArray<TUint>& CMTPDataProvider::SupportedCodes(TMTPSupportCategory aCategory) const
{
return iSupported[aCategory]->Codes();
}
/**
Sets the
*/
void CMTPDataProvider::SetDataProviderId(TUint aId)
{
__FLOG_VA((_L8("~CMTPDataProvider - Entry, data provider %d "), iId));
iId = aId;
__FLOG_VA((_L8("~CMTPDataProvider - Entry, data provider %d "), iId));
}
/**
Implements a linear order relation for @see CMTPDataProvider
objects based on relative @see CMTPDataProvider::ImplementationUid.
@param aUid The implementation UID object to match.
@param aObject The object instance to match.
@return Zero, if the two objects are equal; A negative value, if the first
object is less than the second, or; A positive value, if the first object is
greater than the second.
*/
TInt CMTPDataProvider::LinearOrderUid(const TUid* aUid, const CMTPDataProvider& aObject)
{
return (aUid->iUid - aObject.ImplementationUid().iUid);
}
/**
Implements a @see TLinearOrder for @see CMTPDataProvider objects based on
relative @see CMTPDataProvider::ImplementationUid.
@param aL The first object instance.
@param aR The second object instance.
@return Zero, if the two objects are equal; A negative value, if the first
object is less than the second, or; A positive value, if the first object is
greater than the second.
*/
TInt CMTPDataProvider::LinearOrderUid(const CMTPDataProvider& aL, const CMTPDataProvider& aR)
{
return (aL.iImplementationUid.iUid - aR.iImplementationUid.iUid);
}
/**
Implements a @see TLinearOrder for @see CMTPDataProvider objects based on
relative @see CMTPDataProvider::DataProviderId.
@param aDPId The Dataprovider ID to match.
@param aR The second object instance.
@return Zero, if the two objects are equal; A negative value, if the first
object is less than the second, or; A positive value, if the first object is
greater than the second.
*/
TInt CMTPDataProvider::LinearOrderDPId(const TUint* aDPId, const CMTPDataProvider& aObject)
{
return (*aDPId - aObject.DataProviderId());
}
/**
Implements a @see TLinearOrder for @see CMTPDataProvider objects based on
relative @see CMTPDataProvider::DataProviderId.
@param aL The first object instance.
@param aR The second object instance.
@return Zero, if the two objects are equal; A negative value, if the first
object is less than the second, or; A positive value, if the first object is
greater than the second.
*/
TInt CMTPDataProvider::LinearOrderDPId(const CMTPDataProvider& aL, const CMTPDataProvider& aR)
{
return (aL.DataProviderId() - aR.DataProviderId());
}
/**
Implements a @see TLinearOrder for @see CMTPDataProvider objects based on
relative enumeration phase
@param aL The first object instance.
@param aR The second object instance.
@return Zero, if the two objects are equal; A negative value, if the first
object is less than the second, or; A positive value, if the first object is
greater than the second.
*/
TInt CMTPDataProvider::LinearOrderEnumerationPhase(const CMTPDataProvider& aL, const CMTPDataProvider& aR)
{
return (aL.DataProviderConfig().UintValue(MMTPDataProviderConfig::EEnumerationPhase)
- aR.DataProviderConfig().UintValue(MMTPDataProviderConfig::EEnumerationPhase));
}
TUint CMTPDataProvider::DataProviderId() const
{
return iId;
}
TMTPOperationalMode CMTPDataProvider::Mode() const
{
return (iSingletons.DpController().Mode());
}
void CMTPDataProvider::ReceiveDataL(MMTPType& aData, const TMTPTypeRequest& aRequest, MMTPConnection& aConnection)
{
__FLOG_VA((_L8("ReceiveDataL - Entry, data provider %d "), iId));
__ASSERT_DEBUG(iImplementation, User::Invariant());
__ASSERT_DEBUG(!IsActive(), User::Invariant());
if (iProxy)
{
// Pass to proxy plugin for processing
iProxy->ProxyReceiveDataL(aData, aRequest, aConnection, iStatus);
SetActive();
// Running under proxy mode so manually set the next transaction phase to be processed by the plugin
iProxyTransactionPhase = EResponsePhase;
}
else
{
// Inform the connection that we wish to receive data from the connection
CMTPConnection& connection(iSingletons.ConnectionMgr().ConnectionL(aConnection.ConnectionId()));
connection.ReceiveDataL(aData, aRequest, iStatus);
SetActive();
// Async call so wait for object to be activated...
}
__FLOG_VA((_L8("ReceiveDataL - Exit, data provider %d "), iId));
}
void CMTPDataProvider::SendDataL(const MMTPType& aData, const TMTPTypeRequest& aRequest, MMTPConnection& aConnection)
{
__FLOG_VA((_L8("SendDataL - Entry, data provider %d "), iId));
__ASSERT_DEBUG(iImplementation, User::Invariant());
__ASSERT_DEBUG(!IsActive(), User::Invariant());
if (iProxy)
{
// Pass to proxy plugin for processing
iProxy->ProxySendDataL(aData,aRequest, aConnection, iStatus);
SetActive();
// Running under proxy mode so manually set the next transaction phase to be processed by the plugin
iProxyTransactionPhase = EResponsePhase;
}
else
{
// Pass request to connection...
CMTPConnection& connection(iSingletons.ConnectionMgr().ConnectionL(aConnection.ConnectionId()));
connection.SendDataL(aData, aRequest, iStatus);
SetActive();
// Async call so wait for object to be activated...
}
__FLOG_VA((_L8("SendDataL - Exit, data provider %d "), iId));
}
void CMTPDataProvider::SendEventL(const TMTPTypeEvent& aEvent, MMTPConnection& aConnection)
{
__FLOG_VA((_L8("SendEventL - Entry, data provider %d "), iId));
__ASSERT_DEBUG(iImplementation, User::Invariant());
CMTPConnection& connection(iSingletons.ConnectionMgr().ConnectionL(aConnection.ConnectionId()));
connection.SendEventL(aEvent);
__FLOG_VA((_L8("SendEventL - Exit, data provider %d "), iId));
}
void CMTPDataProvider::SendEventL(const TMTPTypeEvent& aEvent)
{
__FLOG_VA((_L8("SendEventL - Entry, data provider %d "), iId));
if (aEvent.Uint32(TMTPTypeEvent::EEventSessionID) != KMTPSessionAll)
{
User::Leave(KErrArgument);
}
TUint numConnections(iSingletons.ConnectionMgr().ConnectionCount());
for (TUint i(0); (i < numConnections); i++)
{
iSingletons.ConnectionMgr()[i].SendEventL(aEvent);
}
__FLOG_VA((_L8("SendEventL - Exit, data provider %d "), iId));
}
void CMTPDataProvider::SendResponseL(const TMTPTypeResponse& aResponse, const TMTPTypeRequest& aRequest, MMTPConnection& aConnection)
{
__FLOG_VA((_L8("SendResponseL - Entry, data provider %d "), iId));
__ASSERT_DEBUG(iImplementation, User::Invariant());
__ASSERT_DEBUG(!IsActive(), User::Invariant());
if (iProxy)
{
// Pass to proxy plugin for processing
iProxy->ProxySendResponseL(aResponse, aRequest, aConnection, iStatus);
SetActive();
// Running under proxy mode so manually set the next transaction phase to be processed by the plugin
iProxyTransactionPhase = ECompletingPhase;
}
else
{
CMTPConnection& connection(iSingletons.ConnectionMgr().ConnectionL(aConnection.ConnectionId()));
connection.SendResponseL(aResponse, aRequest, iStatus);
SetActive();
}
__FLOG_VA((_L8("SendResponseL - Exit, data provider %d "), iId));
}
void CMTPDataProvider::TransactionCompleteL(const TMTPTypeRequest& aRequest, MMTPConnection& aConnection)
{
__FLOG_VA((_L8("TransactionCompleteL - Entry, data provider %d "), iId));
__ASSERT_DEBUG(iImplementation, User::Invariant());
if (iProxy)
{
// Pass to proxy plugin for processing
iProxy->ProxyTransactionCompleteL(aRequest, aConnection);
// Running under proxy mode so manually set the next transaction phase to be processed by the plugin
iProxyTransactionPhase = ERequestPhase;
}
else
{
CMTPConnection& connection(iSingletons.ConnectionMgr().ConnectionL(aConnection.ConnectionId()));
connection.TransactionCompleteL(aRequest);
}
// Clear pointers
iProxy = NULL;
iCurrentRequest = NULL;
iCurrentConnection = NULL;
__FLOG_VA((_L8("TransactionCompleteL - Exit, data provider %d "), iId));
}
void CMTPDataProvider::RouteRequestRegisterL(const TMTPTypeRequest& aRequest, MMTPConnection& aConnection)
{
__FLOG_VA((_L8("RouteRequestRegisterL - Entry, data provider %d "), iId));
iSingletons.Router().RouteRequestRegisterL(aRequest, aConnection, iId);
__FLOG_VA((_L8("RouteRequestRegisterL - Exit, data provider %d "), iId));
}
void CMTPDataProvider::RouteRequestUnregisterL(const TMTPTypeRequest& aRequest, MMTPConnection& aConnection)
{
__FLOG_VA((_L8("RouteRequestUnregister - Entry, data provider %d "), iId));
iSingletons.Router().RouteRequestUnregisterL(aRequest, aConnection);
__FLOG_VA((_L8("RouteRequestUnregister - Exit, data provider %d "), iId));
}
#ifdef __FLOG_ACTIVE
void CMTPDataProvider::ObjectEnumerationCompleteL(TUint32 aStorageId)
#else
void CMTPDataProvider::ObjectEnumerationCompleteL(TUint32 /*aStorageId*/)
#endif // __FLOG_ACTIVE
{
__FLOG_VA((_L8("ObjectEnumerationCompleteL - Entry, data provider %d "), iId));
__FLOG_VA((_L8("StorageId = 0x%08X "), aStorageId));
iEnumerationState = ((iEnumerationState & ~EObjectsEnumerationState) | EObjectsEnumerated);
iSingletons.DpController().EnumerationStateChangedL(*this);
__FLOG_VA((_L8("ObjectEnumerationCompleteL - Exit, data provider %d "), iId));
}
void CMTPDataProvider::StorageEnumerationCompleteL()
{
__FLOG_VA((_L8("StorageEnumerationCompleteL - Entry, data provider %d "), iId));
iEnumerationState = ((iEnumerationState & ~EStoragesEnumerationState) | EStoragesEnumerated);
iSingletons.DpController().EnumerationStateChangedL(*this);
__FLOG_VA((_L8("StorageEnumerationCompleteL - Exit, data provider %d "), iId));
}
const MMTPDataProviderConfig& CMTPDataProvider::DataProviderConfig() const
{
return *iConfig;
}
const MMTPFrameworkConfig& CMTPDataProvider::FrameworkConfig() const
{
return iSingletons.FrameworkConfig();
}
MMTPObjectMgr& CMTPDataProvider::ObjectMgr() const
{
return iSingletons.ObjectMgr();
}
MMTPReferenceMgr& CMTPDataProvider::ReferenceMgr() const
{
return iSingletons.ReferenceMgr();
}
MMTPStorageMgr& CMTPDataProvider::StorageMgr() const
{
return iSingletons.StorageMgr();
}
RFs& CMTPDataProvider::Fs() const
{
return iSingletons.Fs();
}
MMTPDataCodeGenerator& CMTPDataProvider::DataCodeGenerator() const
{
return iSingletons.DataCodeGenerator();
}
void CMTPDataProvider::NotifyFrameworkL( TMTPNotificationToFramework aNotification, const TAny* aParams )
{
__FLOG(_L8("NotifyFrameworkL - Entry"));
__ASSERT_DEBUG( aParams, User::Invariant());
switch ( aNotification )
{
case EMTPAddFolder:
{
TUint deviceDpId = iSingletons.DpController().DeviceDpId();
iSingletons.DpController().NotifyDataProvidersL( deviceDpId, EMTPObjectAdded, aParams );
}
break;
default:
__FLOG(_L8("Ignore other notification"));
break;
}
__FLOG(_L8("NotifyFrameworkL - Exit"));
}
void CMTPDataProvider::RegisterPendingRequest(TUint aTimeOut)
{
__FLOG(_L8("RegisterPendingRequestL - Entry"));
iSingletons.DpController().RegisterPendingRequestDP(iImplementationUid.iUid, aTimeOut);
__FLOG(_L8("RegisterPendingRequestL - Exit"));
}
void CMTPDataProvider::DoCancel()
{
__FLOG_VA((_L8("DoCancel - Entry, data provider %d "), iId));
__FLOG_VA((_L8("DoCancel - Exit, data provider %d "), iId));
if (iTimerActive)
{
iTimer.Cancel();
iTimerActive = EFalse;
}
else
{
TRequestStatus* status = &iStatus;
User::RequestComplete(status, KErrCancel);
}
}
void CMTPDataProvider::RunL()
{
__FLOG_VA((_L8("RunL - Entry, data provider %d "), iId));
__MTP_HEAP_FLOG
__ASSERT_DEBUG(iCurrentConnection, User::Invariant());
iTimerActive = EFalse;
if (iProxy)
{
iCurrentTransactionPhase = iProxyTransactionPhase;
}
else
{
iCurrentTransactionPhase = iCurrentConnection->TransactionPhaseL(iCurrentRequest->Uint32(TMTPTypeRequest::ERequestSessionID));
}
__FLOG_VA((_L8("Current transaction phase = 0x%08X"), iCurrentTransactionPhase));
TInt status(iStatus.Int());
if ((status != KErrNone) &&
(status != KErrAbort) &&
(status != KErrCancel))
{
// Framework or transport error has occured, force error recovery.
iErrorRecovery = iStatus.Int();
}
else if (status == KErrCancel)
{
iImplementation->Cancel();
}
else if (status == KErrAbort)
{
if (iCurrentRequest != NULL)
{
TMTPTypeEvent event;
event.SetUint16(TMTPTypeEvent::EEventCode, EMTPEventCodeCancelTransaction);
event.SetUint32(TMTPTypeEvent::EEventSessionID, iCurrentRequest->Uint32(TMTPTypeRequest::ERequestSessionID) );
event.SetUint32(TMTPTypeEvent::EEventTransactionID, iCurrentRequest->Uint32(TMTPTypeRequest::ERequestTransactionID) );
iImplementation->ProcessEventL(event ,*iCurrentConnection);
}
}
if (iErrorRecovery != KErrNone)
{
__FLOG(_L8("Error recovery in progress"));
switch (iCurrentTransactionPhase)
{
case ERequestPhase:
case EDataIToRPhase:
case EDataRToIPhase:
case EResponsePhase:
SendErrorResponseL(iErrorRecovery);
break;
case ECompletingPhase:
TRAPD(err, iImplementation->ProcessRequestPhaseL(iCurrentTransactionPhase, *iCurrentRequest, *iCurrentConnection));
__FLOG_VA((_L8("iImplementation->ProcessRequestPhaseL error %d"), err));
if (err != KErrNone)
{
TransactionCompleteL(*iCurrentRequest, *iCurrentConnection);
}
iErrorRecovery = KErrNone;
break;
default:
break;
}
}
else if (iSingletons.DpController().EnumerateState() < CMTPDataProviderController::EEnumeratingPhaseOneDone)
{
__FLOG(_L8("DP Enumeration is not complete"));
if (iCurrentRequest != NULL)
{
TUint16 opCode = iCurrentRequest->Uint16(TMTPTypeRequest::ERequestOperationCode);
switch(opCode)
{
case EMTPOpCodeOpenSession:
case EMTPOpCodeCloseSession:
case EMTPOpCodeGetDeviceInfo:
case EMTPOpCodeGetDevicePropDesc:
case EMTPOpCodeGetObjectPropsSupported:
case EMTPOpCodeGetObjectPropDesc:
case EMTPOpCodeVendorExtextensionEnd:
case EMTPOpCodeGetServicePropList:
iImplementation->ProcessRequestPhaseL(iCurrentTransactionPhase, *iCurrentRequest, *iCurrentConnection);
break;
case EMTPOpCodeGetStorageIDs:
case EMTPOpCodeGetStorageInfo:
if(iSingletons.DpController().EnumerateState() > CMTPDataProviderController::EEnumeratingDataProviderStorages)
{
iImplementation->ProcessRequestPhaseL(iCurrentTransactionPhase, *iCurrentRequest, *iCurrentConnection);
}
else
{
//If storages are not enumerated wait for 3 secs and check it again.
iTimer.After(iStatus, TTimeIntervalMicroSeconds32(KWaitForEnumeration));
SetActive();
iTimerActive = ETrue;
}
break;
default:
switch (iCurrentTransactionPhase)
{
case ERequestPhase:
// Wait till the objects are enumerated.
// checks for every 3 secs till the objects are eumrated.
// Won't send any device busy response.
// Windows wont repond if it gets device busy response after it has send Openseesion.
iTimer.After(iStatus, TTimeIntervalMicroSeconds32(KWaitForEnumeration));
SetActive();
iTimerActive = ETrue;
break;
case EResponsePhase:
iImplementation->ProcessRequestPhaseL(iCurrentTransactionPhase, *iCurrentRequest, *iCurrentConnection);
break;
case ECompletingPhase:
iImplementation->ProcessRequestPhaseL(iCurrentTransactionPhase, *iCurrentRequest, *iCurrentConnection);
break;
default:
break;
}
}
}
}
else
{
// Pass to the bound plugin for processing.
iImplementation->ProcessRequestPhaseL(iCurrentTransactionPhase, *iCurrentRequest, *iCurrentConnection);
//Make ActiveRequest processor and CancelRequest processing to occur synchronously
if( iCurrentTransactionPhase == ERequestPhase )
{
if( iCurrentRequest != NULL )
{
CMTPSession& session(static_cast<CMTPSession&>(iCurrentConnection->SessionWithMTPIdL(iCurrentRequest->Uint32(TMTPTypeRequest::ERequestSessionID))));
MMTPConnectionProtocol& connection(static_cast<MMTPConnectionProtocol&>(*iCurrentConnection));
// Pass transaction to session to check against any pending events
if ( session.CheckPendingEvent(*iCurrentRequest) )
{
//Current request matches a pending event, pass event to connection layer event processing
connection.ReceivedEventL(session.PendingEvent());
}
}
}
}
__MTP_HEAP_FLOG
__FLOG_VA((_L8("RunL - Exit, data provider %d "), iId));
}
TInt CMTPDataProvider::RunError(TInt aError)
{
__FLOG_VA((_L8("RunError - Entry, data provider %d "), iId));
__FLOG_VA((_L8("Error = %d"), aError));
/*
CMTPDataProvider or iImplementation error, save the error state and
re-schedule.
*/
iErrorRecovery = aError;
Schedule();
__FLOG_VA((_L8("RunError - Exit, data provider %d "), iId));
return KErrNone;
}
/**
Constructor.
@param aId The data provider identifier.
@param aUid The data provider implementation UID.
@param aConfig The data provider configurability parameter data. Ownership IS
transfered.
*/
CMTPDataProvider::CMTPDataProvider(TUint aId, TUid aUid, CMTPDataProviderConfig* aConfig) :
CActive(EPriorityStandard),
iConfig(aConfig),
iId(aId),
iImplementationUid(aUid),
iProxyTransactionPhase(ERequestPhase)
{
CActiveScheduler::Add(this);
}
/**
Second phase constructor.
@leave One of the system wide error codes if a processing failure occurs.
*/
void CMTPDataProvider::ConstructL()
{
__FLOG_OPEN(KMTPSubsystem, KComponent);
__FLOG_VA((_L8("ConstructL - Entry, data provider %d "), iId));
iSingletons.OpenL();
TUint tDPType = iConfig->UintValue(MMTPDataProviderConfig::EDataProviderType);
const TUint KExcludeCategoryStart = EVendorExtensionSets;
const TUint KExcludeCategoryEnd = EFormatExtensionSets;
if( tDPType == KMTPDummyDataProvider)
{
iImplementation = static_cast<CMTPDataProviderPlugin*>(CDummyDp::NewL(static_cast<MMTPDataProviderFramework*>(this)));
//create your dummy classCMTPDataProviderPlugin
for (TUint i(EAssociationTypes); (i < ENumCategories); i++)
{
CSupportedCodes* codes = CSupportedCodes::NewLC(static_cast<TMTPSupportCategory>(i), Plugin());
if((i >= KExcludeCategoryStart) && (i <= KExcludeCategoryEnd) && (codes->Codes().Count() >0))
{
User::Leave(KErrNotSupported);
}
iSupported.AppendL(codes);
CleanupStack::Pop(codes);
}
iConstructed = ETrue;
}
else
{
iImplementation = CMTPDataProviderPlugin::NewL(iImplementationUid, static_cast<MMTPDataProviderFramework*>(this));
for (TUint i(EAssociationTypes); (i < ENumCategories); i++)
{
CSupportedCodes* codes = CSupportedCodes::NewLC(static_cast<TMTPSupportCategory>(i), Plugin());
if((i >= KExcludeCategoryStart) && (i <= KExcludeCategoryEnd) && (codes->Codes().Count() >0))
{
User::Leave(KErrNotSupported);
}
iSupported.AppendL(codes);
CleanupStack::Pop(codes);
}
User::LeaveIfError(iTimer.CreateLocal());
// Only assume ownership of passed objects on successful construction.
iConstructed = ETrue;
__FLOG_VA((_L8("Data provider %d iImplementationUid 0x08%X "), iId, iImplementationUid));
__FLOG_VA((_L8("ConstructL - Exit, data provider %d "), iId));
}
}
/**
Schedules the next request phase or event.
*/
void CMTPDataProvider::Schedule()
{
__FLOG_VA((_L8("Schedule - Entry, data provider %d "), iId));
iStatus = KRequestPending;
TRequestStatus* status = &iStatus;
SetActive();
User::RequestComplete(status, KErrNone);
__FLOG_VA((_L8("Schedule - Exit, data provider %d "), iId));
}
/**
Formats and sends an MTP response dataset from the specified error code.
@param aError The error code.
@leave One of the system wide error codes, if a processing error occurs.
*/
void CMTPDataProvider::SendErrorResponseL(TInt aError)
{
__FLOG_VA((_L8("SendResponseL - Entry, data provider %d "), iId));
__ASSERT_DEBUG(iCurrentRequest != NULL, User::Invariant());
TMTPResponseCode code;
switch (aError)
{
case KErrOverflow:
case KMTPDataTypeInvalid:
code = EMTPRespCodeInvalidDataset;
break;
case KErrDiskFull:
code = EMTPRespCodeStoreFull;
break;
default:
code = EMTPRespCodeGeneralError;
break;
}
__FLOG_VA((_L8("Sending response code 0x%04X"), code));
iResponse.SetUint16(TMTPTypeResponse::EResponseCode, code);
iResponse.SetUint32(TMTPTypeResponse::EResponseSessionID, iCurrentRequest->Uint32(TMTPTypeResponse::EResponseSessionID));
iResponse.SetUint32(TMTPTypeResponse::EResponseTransactionID, iCurrentRequest->Uint32(TMTPTypeResponse::EResponseTransactionID));
SendResponseL(iResponse, *iCurrentRequest, *iCurrentConnection);
__FLOG_VA((_L8("SendResponseL - Exit, data provider %d "), iId));
}
CMTPDataProvider::CSupportedCodes* CMTPDataProvider::CSupportedCodes::NewLC(TMTPSupportCategory aCategory, MMTPDataProvider& aDp)
{
CSupportedCodes* self = new(ELeave) CSupportedCodes();
CleanupStack::PushL(self);
self->ConstructL(aCategory, aDp);
return self;
}
CMTPDataProvider::CSupportedCodes::~CSupportedCodes()
{
iCodes.Close();
}
const RArray<TUint>& CMTPDataProvider::CSupportedCodes::Codes() const
{
return iCodes;
}
TBool CMTPDataProvider::CSupportedCodes::Supported(TUint aCode) const
{
return (iCodes.FindInOrder(aCode) != KErrNotFound);
}
CMTPDataProvider::CSupportedCodes::CSupportedCodes() :
iCodes()
{
}
void CMTPDataProvider::CSupportedCodes::ConstructL(TMTPSupportCategory aCategory, MMTPDataProvider& aDp)
{
aDp.Supported(aCategory, iCodes);
iCodes.Sort();
}