Пример #1
0
        public bool TryGetAvailableNode(out NodeEntry node)
        {
            var now        = DateTime.Now;
            var candidates = new List <NodeEntry>();

            using (locker.CreateLock())
            {
                foreach (var candidate in nodes.Values)
                {
                    // TODO find out why Debug.Assert(candidate.Node.HasServer); // looks like not thread safe
                    if (!candidate.Node.HasServer)
                    {
                        continue;
                    }

                    if (candidate.IsAvailable && !knownSelfEndPoints.Contains(candidate.Node.EndPoint) && IsReady(candidate, now))
                    {
                        candidates.Add(candidate);
                    }
                }
            }

            if (!candidates.Any())
            {
                node = null;
                return(false);
            }

            node = candidates[Random.Next(candidates.Count)];
            return(true);
        }
Пример #2
0
        private void ConnectToNode(NodeEntry available)
        {
            available.Acquire();
            var client  = new Client(available.Node.EndPoint, certificate, logger);
            var session = client.NodeSession;

            session.OnAuthenticated += (local, remote) => OnServerAuthenticated(session, local, remote);
            session.OnDisconnected  += available.Release;
            // TODO handle when session is disconnected
            client.Start();
        }
Пример #3
0
        // TODO make somehing more intelligent
        private bool IsReady(NodeEntry candidate, DateTime now)
        {
            var elapsed = now - candidate.DisconnectedTime;

            return(elapsed.Seconds > 10);
        }