private Option <IState> HandleAlert(Record record)
{
// TODO any alerts we can handle?
// TODO report alert to external handler?
var alert = AlertMessage.Read(record.Data);
return(UnexpectedMessage(alert));
}
private void HandleAlert(Record record)
{
var alert = AlertMessage.Read(record.Data);
if (alert.Level == AlertLevel.Warning && alert.Description == AlertDescription.CloseNotify)
{
var versionConfig = Services.GetRequiredService <VersionConfig>();
var closeAlert = new AlertMessage(AlertLevel.Warning, AlertDescription.CloseNotify);
var closeRecord = new Record(RecordType.Alert, versionConfig.Version, closeAlert.GetBytes());
var connection = Services.GetRequiredService <Connection>();
connection.WriteRecord(closeRecord);
throw new Exception("Closing connection");
}
}
private Option <IState> HandleHandshake(Record record)
{
var handshake = _reader.Read(record);
if (handshake.Type == RecordType.Alert)
{
var alert = AlertMessage.Read(record.Data);
return(UnexpectedMessage(alert));
}
if (handshake.HandshakeType != HandshakeType.ClientKeyExchange)
{
return(UnexpectedMessage());
}
return(Option.Some <IState>(HandleClientKeyExchangeState.New(ServiceProvider, (ClientKeyExchangeMessage)handshake)));
}
