// -----------------------------------------------------------------------------
// 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;
}
}
}
}
// -----------------------------------------------------------------------------
// 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::IssueCommandL
//
// (other items were commented in a header).
// -----------------------------------------------------------------------------
//
void CMediatorServerCommandHandler::IssueCommandL(
TMediatorCategory aCategory,
MediatorService::TCommand aCommand,
const TDesC8& aData,
TCapabilitySet aCaps,
MMediatorCommandResponseObserver* aObserver )
{
LOG(_L("[Mediator Server]\t CMediatorServerCommandHandler::IssueCommandL"));
CCategory* category = iObjectHandler.CategoryL( aCategory );
if ( category )
{
// Find the command from register list
TInt ignore = 0;
CCommand* commandPtr = category->FindCommand( aCommand.iCommandId, ignore );
if ( !commandPtr )
{
ERROR_TRACE(Print(_L("[Mediator] CMediatorServerCommandHandler::IssueCommandL: Command %d not found in category %d of domain %d\n"), aCommand.iCommandId,
aCategory.iCategory.iUid,
aCategory.iDomain.iUid ) );
User::Leave( KErrMediatorCommandNotFound );
}
// Then check the capabilities && the version information
// Capabilities are checked so that boolean ETrue is returned
// when all parameter caps can be found from aCaps
if ( !aCaps.HasCapabilities( commandPtr->Policy() ) )
{
#ifdef _DEBUG
for ( TInt index = 0; index < ECapability_Limit; index++ )
{
TCapabilitySet commandCaps = commandPtr->Policy();
TBool command = commandCaps.HasCapability( (TCapability) index );
TBool requestor = aCaps.HasCapability( (TCapability) index );
if ( command && !requestor )
{
ERROR_TRACE(Print(_L("[Mediator] CMediatorServerCommandHandler::IssueCommandL: capability %d missing\n"), index ));
ERROR_TRACE(Print(_L("[Mediator] Capability error when issuing command %d in category %d of domain %d\n"), aCommand.iCommandId,
aCategory.iCategory.iUid,
aCategory.iDomain.iUid ) );
}
}
#endif
User::Leave( KErrPermissionDenied );
}
// Check (major) version match
if ( aCommand.iVersion.iMajor != commandPtr->Version().iMajor )
{
ERROR_TRACE(Print(_L("[Mediator] CMediatorServerCommandHandler::IssueCommandL: registered=%d, issued=%d\n"),
commandPtr->Version().iMajor,
aCommand.iVersion.iMajor ));
ERROR_TRACE(Print(_L("[Mediator] Version error when issuing command %d in category %d of domain %d\n"), aCommand.iCommandId,
aCategory.iCategory.iUid,
aCategory.iDomain.iUid ) );
// There's a major version mismatch
User::Leave( KErrMediatorVersionMismatch );
}
// If ok, issue to command to client
// Make the new command, set initiator and responder
// We don't need to command data for the pending list
CCommand* newCommand = CCommand::NewL( aCommand );
CleanupStack::PushL( newCommand );
newCommand->SetResponseObserver( aObserver );
newCommand->SetObserver( commandPtr->Observer() );
newCommand->SetDomain( aCategory.iDomain );
newCommand->SetCategory( aCategory.iCategory );
newCommand->SetTimeout( commandPtr->Timeout() );
// Start command timing, if it is not an infinite command
if ( commandPtr->Timeout() != KMediatorTimeoutInfinite )
{
// Start timeout timer ( request callback here )
newCommand->StartTimer( this );
}
iCommandPendingList.AppendL( newCommand );
CleanupStack::Pop( newCommand );
// Now send the command to correct responder --> we have it pending
commandPtr->Observer()->MediatorCommandL( aCategory.iDomain,
aCategory.iCategory,
aCommand.iCommandId,
aCommand.iVersion,
aData );
}
}
