// -----------------------------------------------------------------------------
// CMediatorServerCommandHandler::CancelCommands
//
// (other items were commented in a header).
// -----------------------------------------------------------------------------
//
void CMediatorServerCommandHandler::CancelCommands( MMediatorCommandObserver* aObserver,
MMediatorCommandResponseObserver* aResponseObserver )
{
LOG(_L("[Mediator Server]\t CMediatorServerCommandHandler::CancelCommand"));
// loop through list of pending commands
for ( TInt i = iCommandPendingList.Count()-1; i >= 0; i-- )
{
CCommand* commandPtr = iCommandPendingList[i];
if ( commandPtr )
{
TBool commandCanceled = EFalse;
// This client has registered the command, and some other client has issued it
// -> give an error response to the issuer
if ( aObserver == commandPtr->Observer() )
{
TRAP_IGNORE( commandPtr->ResponseObserver()->CommandResponseL( commandPtr->Domain(),
commandPtr->Category(),
commandPtr->Id(),
KErrMediatorCommandRemoved,
KNullDesC8 ) );
commandCanceled = ETrue;
}
// This client has issued the command
// -> inform the client which registered the command that it is canceled
if ( aResponseObserver == commandPtr->ResponseObserver() )
{
TRAP_IGNORE( commandPtr->Observer()->CancelMediatorCommandL( commandPtr->Domain(),
commandPtr->Category(),
commandPtr->Id() ) );
commandCanceled = ETrue;
}
// pending command was registered and/or issued by this client, so now it can be removed
// from the list
if ( commandCanceled )
{
iCommandPendingList.Remove( i );
delete commandPtr;
}
}
}
}
// -----------------------------------------------------------------------------
// CMediatorServerCommandHandler::TimerCallBack
//
// (other items were commented in a header).
// -----------------------------------------------------------------------------
//
void CMediatorServerCommandHandler::TimerCallBack( TUid aDomain,
TUid aCategory,
TInt aCommandId )
{
LOG(_L("[Mediator Server]\t CMediatorServerCommandHandler::TimerCallBack"));
TBool found = EFalse;
for ( TInt index = 0; index < iCommandPendingList.Count() && !found; index ++ )
{
CCommand* commandPtr = iCommandPendingList[index];
if ( commandPtr )
{
if ( ( aDomain == commandPtr->Domain() )
&& ( aCategory == commandPtr->Category() )
&& ( aCommandId == commandPtr->Id() ) )
{
// We have found the correct command --> ignore the leave
// Send the response to initiator with timeout error
TRAP_IGNORE( commandPtr->ResponseObserver()->CommandResponseL( aDomain,
aCategory,
aCommandId,
KErrMediatorTimeout,
KNullDesC8 ) );
// And clear the responder side also
TRAP_IGNORE( commandPtr->Observer()->MediatorCommandTimeoutL( aDomain,
aCategory,
aCommandId ) );
// Remove the command from list, free memory && stop looping
iCommandPendingList.Remove( index );
delete commandPtr;
commandPtr = NULL;
found = ETrue;
}
}
}
}
// -----------------------------------------------------------------------------
// CMediatorServerCommandHandler::CancelCommandL
//
// (other items were commented in a header).
// -----------------------------------------------------------------------------
//
void CMediatorServerCommandHandler::CancelCommand(
TMediatorCategory aCategory,
MediatorService::TCommand aCommand )
{
LOG(_L("[Mediator Server]\t CMediatorServerCommandHandler::CancelCommand"));
TBool found = EFalse;
for ( TInt index = 0; index < iCommandPendingList.Count() && !found; index ++ )
{
CCommand* commandPtr = iCommandPendingList[index];
if ( commandPtr )
{
TUid domain = aCategory.iDomain;
TUid category = aCategory.iCategory;
TInt commandId = aCommand.iCommandId;
if ( ( domain == commandPtr->Domain() )
&& ( category == commandPtr->Category() )
&& ( commandId == commandPtr->Id() ) )
{
// We have found the correct command --> cancel it
TRAP_IGNORE( commandPtr->Observer()->CancelMediatorCommandL( domain,
category,
commandId ) );
// Remove the command from list, free memory && stop looping
iCommandPendingList.Remove( index );
delete commandPtr;
commandPtr = NULL;
found = ETrue;
}
}
}
}
// -----------------------------------------------------------------------------
// CMediatorServerCommandHandler::IssueResponse
//
// (other items were commented in a header).
// -----------------------------------------------------------------------------
//
TInt CMediatorServerCommandHandler::IssueResponse(
TMediatorCategory aCategory,
MediatorService::TCommand aCommand,
const TDesC8& aData,
TInt aStatus )
{
LOG(_L("[Mediator Server]\t CMediatorServerCommandHandler::IssueResponse"));
TBool found = EFalse;
for ( TInt index = 0; index < iCommandPendingList.Count() && !found; index ++ )
{
CCommand* commandPtr = iCommandPendingList[index];
if ( commandPtr )
{
TUid domain = aCategory.iDomain;
TUid category = aCategory.iCategory;
TInt commandId = aCommand.iCommandId;
if ( ( domain == commandPtr->Domain() )
&& ( category == commandPtr->Category() )
&& ( commandId == commandPtr->Id() ) )
{
// We have found the correct command --> ignore the leave
TRAP_IGNORE( commandPtr->ResponseObserver()->CommandResponseL( domain,
category,
commandId,
aStatus,
aData ) );
// Remove the command from list, free memory && stop looping
iCommandPendingList.Remove( index );
delete commandPtr;
commandPtr = NULL;
found = ETrue;
}
}
}
if ( !found )
{
ERROR_TRACE(Print(_L("[Mediator] CMediatorServerCommandHandler::IssueResponse: Command %d not found in category %d of domain %d\n"), aCommand.iCommandId,
aCategory.iDomain.iUid ) );
}
return found ? KErrNone : KErrMediatorCommandNotFound;
}
// -----------------------------------------------------------------------------
// CMediatorServerObjectHandler::ClearRegistrations
//
// (other items were commented in a header).
// -----------------------------------------------------------------------------
//
void CMediatorServerObjectHandler::ClearRegistrations(
MMediatorServerEventObserver* aEventObserver,
MMediatorCommandObserver* aCommandObserver,
MMediatorServerNotificationObserver* aNotifObserver )
{
LOG(_L("[Mediator Server]\t CMediatorServerObjectHandler::ClearRegistrationsL"));
// Clear all pending subscriptions -- loop through domains
for ( TInt index = iDomainList.Count()-1; index >= 0; index-- )
{
CDomain* domainPtr = iDomainList[index];
if ( domainPtr )
{
// Loop through categories
for( TInt index2 = domainPtr->CategoryCount()-1; index2 >= 0; index2-- )
{
CCategory* categoryPtr = domainPtr->GetCategory( index2 );
if ( categoryPtr )
{
// Loop through events within category
for ( TInt index3 = categoryPtr->EventCount()-1; index3 >= 0; index3-- )
{
CEvent* eventPtr = categoryPtr->GetEvent( index3 );
if ( eventPtr )
{
// Unregister if found --> ignore the return value
eventPtr->RemoveObserver( aEventObserver );
}
eventPtr = NULL;
}
RCommandList removedCommands;
// Loop through commands within category
for ( TInt index4 = categoryPtr->CommandCount()-1; index4 >= 0; index4-- )
{
CCommand* commandPtr = categoryPtr->GetCommand( index4 );
if ( commandPtr )
{
if ( commandPtr->Observer() == aCommandObserver )
{
// Found the command --> remove it and append
// to notification list
TCommand removeCommand;
removeCommand.iCommandId = commandPtr->Id();
removeCommand.iVersion = commandPtr->Version();
removedCommands.Append( removeCommand );
categoryPtr->RemoveCommand( index4 );
delete commandPtr;
commandPtr = NULL;
}
}
commandPtr = NULL;
}
// Notify command removal
if ( removedCommands.Count() > 0 )
{
CommandsRemoved( domainPtr->DomainUid(),
categoryPtr->CategoryUid(),
removedCommands );
}
removedCommands.Reset();
}
categoryPtr = NULL;
}
}
domainPtr = NULL;
}
// Loop through the notification subscriber array still
TBool found = EFalse;
for ( TInt index = 0; index < iObserverList.Count() && !found; index++ )
{
if ( iObserverList[index] == aNotifObserver )
{
iObserverList.Remove( index );
found = ETrue;
}
}
}
// -----------------------------------------------------------------------------
// CMediatorServerCommandHandler::RegisterCommandListL
//
// (other items were commented in a header).
// -----------------------------------------------------------------------------
//
void CMediatorServerCommandHandler::RegisterCommandListL(
TMediatorCategory aCategory,
const RCommandList& aCommands,
TSecureId aSecureId,
MMediatorCommandObserver* aObserver )
{
LOG(_L("[Mediator Server]\t CMediatorServerCommandHandler::RegisterCommandListL"));
// Check that domain exists --> if not add new
CDomain* domain = iObjectHandler.FindDomain( aCategory.iDomain );
if ( !domain )
{
domain = iObjectHandler.AddDomainL( aCategory.iDomain );
}
// Check that category exists --> if not add new
TInt ignore = 0; // not used here
CCategory* category = domain->FindCategory( aCategory.iCategory, ignore );
if ( !category )
{
category = domain->AddCategoryL( aCategory.iCategory );
}
// Loop through the commands and add them to list
// Take the possible error to variable
TInt error = KErrNone;
TBool stop = EFalse;
TInt index = 0;
for ( index = 0; index < aCommands.Count() && !stop; index++ )
{
CCommand* newCommand = CCommand::NewL( aCommands[index] );
CleanupStack::PushL( newCommand );
newCommand->SetSecureId( aSecureId ); // For unregistering
newCommand->SetObserver( aObserver ); // For getting the commands
newCommand->SetCommitState( CItem::EAdded ); // For transaction handling
TInt addError = category->AddCommand( newCommand );
if ( addError )
{
ERROR_TRACE(Print(_L("[Mediator] CMediatorServerCommandHandler::RegisterCommandListL: addError=%d\n"), addError ) );
ERROR_TRACE(Print(_L("[Mediator] Failed to add command %d to category %d of domain %d\n"), newCommand->Id(),
aCategory.iCategory.iUid,
aCategory.iDomain.iUid ) );
// in case of error, delete event and take error
CleanupStack::PopAndDestroy( newCommand );
error = addError;
stop = ETrue;
}
else
{
// Event has been added properly --> just pop
CleanupStack::Pop( newCommand );
}
newCommand = NULL;
}
TRACE(Print(_L("[Mediator Server]\t Commands registered:\n")));
TRACE(Print(_L("[Mediator Server]\t Success/count: %d/%d \tstatus: %d"), index, aCommands.Count(), error ));
// Check error if we need to do partial recovery
if ( error != KErrNone )
{
// Remove the registered commands
category->RollbackCommands();
}
else
{
// Complete command registration
category->CommitCommands();
// Use the object handler to notify command registration
iObjectHandler.CommandsAdded( aCategory.iDomain,
aCategory.iCategory,
aCommands );
}
// In the end leave if error --> client gets error code
User::LeaveIfError( error );
}
