Exemplo n.º 1
0
 /// <summary>
 /// TBD
 /// </summary>
 /// <param name="node">TBD</param>
 /// <exception cref="InvalidOperationException">
 /// This exception is thrown when a non-leader tries to down the specified <paramref name="node"/>.
 /// </exception>
 public override void Down(Address node)
 {
     if (!_leader)
     {
         throw new InvalidOperationException("Must be leader to down node");
     }
     _cluster.LogInfo("Leader is auto-downing unreachable node [{0}]", node);
     _cluster.Down(node);
 }
Exemplo n.º 2
0
        private void down(Address node)
        {
            if (!_isLeader)
            {
                return;
            }

            _cluster.Down(node);
        }
Exemplo n.º 3
0
        protected override void OnReceive(object message)
        {
            var up = message as ClusterEvent.MemberUp;

            if (up != null)
            {
                var mem = up;
                Log.Info("Member is Up: {0}", mem.Member);
            }
            else if (message is ClusterEvent.UnreachableMember)
            {
                var unreachable = (ClusterEvent.UnreachableMember)message;
                Log.Info("Member detected as unreachable: {0}", unreachable.Member);
                //멤버와 갑자기 연락 두절이 되었기때문에, 멈버를 제거합니다.
                Cluster.Down(unreachable.Member.Address);
            }
            else if (message is ClusterEvent.MemberRemoved)
            {
                var removed = (ClusterEvent.MemberRemoved)message;
                Log.Info("Member is Removed: {0}", removed.Member);
            }
            else if (message is ClusterEvent.IMemberEvent)
            {
                //IGNORE
            }
            else if (message is AskToken)
            {
                OnReceiveDataByAskToken(message as AskToken); //실제 처리할 DataProcess
            }
            else if (message is string)
            {
                Log.Info(message as string);
            }
            else
            {
                Unhandled(message);
            }
        }
Exemplo n.º 4
0
        private void HandleStabilityReached()
        {
            if (Log.IsInfoEnabled && _unreachable.Any())
            {
                Log.Info("A network partition detected - unreachable nodes: [{0}], remaining: [{1}]", string.Join(", ", _unreachable.Select(m => m.Address)), string.Join(", ", _reachable.Select(m => m.Address)));
            }

            var context     = new NetworkPartitionContext(_unreachable, _reachable);
            var nodesToDown = _strategy.Apply(context).ToImmutableArray();

            if (nodesToDown.Length > 0)
            {
                if (Log.IsInfoEnabled)
                {
                    Log.Info("A network partition has been detected. {0} decided to down following nodes: [{1}]", _strategy, string.Join(", ", nodesToDown));
                }

                foreach (var member in nodesToDown)
                {
                    _cluster.Down(member.Address);
                }
            }
        }