// -----------------------------------------------------------------------------
// 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 );
}
}
