// TODO: [vermorel] Method named 'listen' but actually 'remove'?. Intent to be clarified.
public void ListenToConnections()
{
// TODO: [vermorel] Directly initialize, it will remove two test conditions below, perf overhead should be insignificant.
List <ClientId> toRemove = null;
foreach (var kv in _activeConnections)
{
if (!kv.Value.IsConnected)
{
if (toRemove == null)
{
toRemove = new List <ClientId>();
}
toRemove.Add(kv.Key);
continue;
}
kv.Value.Send();
// TODO: [vermorel] Almost but not quite like an iterator. Design should be aligned with other iterators.
var nextMessage = kv.Value.ReceiveNext();
while (nextMessage.Length != 0)
{
var toWriteInto = ClientServerMessage.IsSharded(nextMessage)
? _workerInboxes[
// TODO: [vermorel] Do not keep the shardling logic inline, isolate with a helper.
ClientServerMessage.FirstKeyByte(nextMessage) % _workerInboxes.Length]
: _controllerInbox;
if (!toWriteInto.TryWrite(nextMessage))
{
// TODO: [vermorel] Oddly written statement, to be rewritten.
new Span <byte>(_errorBuffer).EmitWorkersBusy(nextMessage);
kv.Value.TryWrite(_errorBuffer);
}
nextMessage = kv.Value.ReceiveNext();
}
}
// Delete connections that were found unconnected
if (toRemove != null)
{
foreach (var clientId in toRemove)
{
_activeConnections.Remove(clientId);
}
}
}
public void TestFirstKeyByte()
{
Assert.Equal(_bytes[ClientServerMessage.PayloadStart], ClientServerMessage.FirstKeyByte(_bytes));
Assert.Throws <ArgumentException>(() => ClientServerMessage.FirstKeyByte(new Span <byte>(_bytes, 0, ClientServerMessage.PayloadStart)));
}
