/// <summary>
/// Returns the registered handler for the provided message, if any.
/// </summary>
/// <param name="message">The message a handler should be found for.</param>
/// <returns>The handler for the provided message or null, if none has been registered for that message.</returns>
public DispatchHandler AssociatedHandler(Message.Message message)
{
if (message == null || !message.IsRequest())
{
return(null);
}
PeerAddress recipient = message.Recipient;
// search for handler, 0 is ping
// if we send with peerId = ZERO, then we take the first one we found
if (recipient.PeerId.IsZero && message.Command == Rpc.Rpc.Commands.Ping.GetNr())
{
Number160 peerId = _peerBeanMaster.ServerPeerAddress.PeerId;
return(SearchHandler(peerId, peerId, Rpc.Rpc.Commands.Ping.GetNr()));
}
else
{
// else we search for the handler that we are responsible for
DispatchHandler handler = SearchHandler(recipient.PeerId, recipient.PeerId, message.Command);
if (handler != null)
{
return(handler);
}
else
{
// If we could not find a handler that we are responsible for, we
// are most likely a relay. Since we have no ID of the relay, we
// just take the first one.
var handlers = SearchHandler(Convert.ToInt32(message.Command));
foreach (var entry in handlers)
{
if (entry.Key.DomainKey.Equals(recipient.PeerId))
{
return(entry.Value);
}
}
return(null);
}
}
}