internal override void matchesReceived(Session session)
{
changeState(session, CompareMatches.Instance(session));
}
internal static State Instance(Session session)
{
if (session.evaluateReceivedConnections() == true)
{
Logger.log(TLogLevel.logDebug, "Info: Found proper matches between own connections and peer's connection.");
//proper matches found, go on
session.sendMatches();
return WaitForMatches.Instance(session);
}
else
{
Logger.log(TLogLevel.logDebug, "Info: Did not find proper matches between own connections and peer's connection.");
//no proper matches found, close protocol
endProtocol(session);
return state;
}
}
internal override void confirmReceived(Session session)
{
//if we end up here, everything went fine -> end protocol and start encryption!
session.tearDown();
Logger.log(TLogLevel.logDebug, "Info: Bottom protocol run completed successfully.");
session.startSecureChannel();
}
/// <summary>
/// Called when an unknown message is received.
/// </summary>
/// <param name="session">The corresponding session.</param>
internal virtual void unknownReceived(Session session)
{
invalidMessage(session);
}
internal static State Instance(Session session)
{
if (session.evaluateReceivedMatches() == true)
{
//received matches and own matches fit together, confirm
Logger.log(TLogLevel.logDebug, "Info: Matches from peer were successfully validated.");
session.sendConfirm();
return WaitForConfirmation.Instance(session);
}
else
{
//received matches and own matches do not fit together, abort
Logger.log(TLogLevel.logDebug, "Info: Matches from peer could not be validated.");
endProtocol(session);
return state;
}
}
internal override void startProtocol(Session session)
{
session.sendRequestConnections();
changeState(session, WaitingForConnectionsList.Instance(session));
}
/// <summary>
/// Starts a protocol run.
/// </summary>
/// <param name="session">The corresponding session.</param>
internal virtual void startProtocol(Session session)
{
invalidMessage(session);
}
/// <summary>
/// Default handler for non protocol-conform events.
/// Ends the respective protocol run.
/// </summary>
/// <param name="session">Corresponding Surface protocol run.</param>
internal virtual void invalidMessage(Session session)
{
session.tearDown();
}
/// <summary>
/// Called when a MATCHES message is received.
/// </summary>
/// <param name="session">The corresponding session.</param>
internal virtual void matchesReceived(Session session)
{
invalidMessage(session);
}
/// <summary>
/// Called when a CLOSING message is received.
/// </summary>
/// <param name="session">The corresponding session.</param>
internal virtual void closingReceived(Session session)
{
session.tearDown();
}
/// <summary>
/// Called when a CONFIRM message is received.
/// </summary>
/// <param name="session">The corresponding session.</param>
internal virtual void confirmReceived(Session session)
{
invalidMessage(session);
}
/// <summary>
/// Default function for a state-transition.
/// </summary>
/// <param name="session">Corresponding Surface protocol run.</param>
/// <param name="state">Next state.</param>
internal virtual void changeState(Session session, State state)
{
session.changeState(state);
}
/// <summary>
/// Called when a ABORT message is received.
/// </summary>
/// <param name="session">The corresponding session.</param>
internal virtual void abortReceived(Session session)
{
invalidMessage(session);
}
/// <summary>
/// Ends a protocol run.
/// </summary>
/// <param name="session">The corresponding session.</param>
internal static void endProtocol(Session session)
{
session.sendAbort();
session.tearDown();
}
internal static State Instance(Session session)
{
return state;
}
/// <summary>
/// Called when a REQUEST_CONNECTIONS message is received.
/// </summary>
/// <param name="session">The corresponding session.</param>
internal virtual void requestConnectionsReceived(Session session)
{
invalidMessage(session);
}
internal override void myConnectionsReceived(Session session)
{
changeState(session, FindMatches.Instance(session));
}
internal override void requestConnectionsReceived(Session session)
{
session.sendMyConnections();
changeState(session, FindMatches.Instance(session));
}
