/// <summary>
/// Sendet eine leere Anfrage zum Wechsel der Quellgruppe. Diese kann von allen Aktionen
/// verwendet werden, um interne Zustände zu (re-)initialisieren.
/// </summary>
/// <param name="disableDecryptionReset">Gesetzt, um die Neuinitialisierung der Entschlüsselung
/// zu deaktivieren.</param>
private void SendEmptyTuneRequest(bool disableDecryptionReset = false)
{
// Process
using (var tune = TuneToken.Create(TunePipeline, null, null))
tune.Execute();
if (!disableDecryptionReset)
{
using (var crypt = DecryptToken.Create(DecryptionPipeline, null))
crypt.Execute();
}
using (var sig = SignalToken.Create(SignalPipeline))
sig.Execute();
// Reset
m_currentDecryption = s_NoSources;
}
/// <summary>
/// Aktiviert die Entschlüsselung.
/// </summary>
/// <param name="sources">Die Liste der zu entschlüssenden Quellen.</param>
public void Decrypt(params SourceIdentifier[] sources)
{
// Default it
if (sources == null)
{
sources = s_NoSources;
}
// Not possible
if (DecryptionPipeline.IsEmpty)
{
if (sources.Length < 1)
{
return;
}
else
{
throw new NotSupportedException();
}
}
// See if we have to do anything - avoind changing decyrption if already active
if (sources.Length > 0)
{
if (sources.Length == m_currentDecryption.Length)
{
if (Enumerable.Range(0, sources.Length).All(index => Equals(sources[index], m_currentDecryption[index])))
{
return;
}
}
}
// Create the token
using (var token = DecryptToken.Create(DecryptionPipeline, sources))
token.Execute();
// Remember new decryption sources
m_currentDecryption = sources;
}