コード例 #1
0
        public override void HandleLoadAvailabilityResponce(LoadAvailabilityResponce message)
        {
            _currentAuction.AddBid(message.HostBid);
            if (!_currentAuction.OpenSession)
            {
                var winner = _currentAuction.GetWinnerBid();
                if (winner == null)
                {
                    Console.WriteLine($"\tMaster: No Winner ---------");

                    InitiateRejectAction(_currentAuction.Owner, _currentAuction.ActionType);
                }
                else
                {
                    Console.WriteLine($"\tMaster: Winner Is Host #{winner.BiddingHost}");
                    if (winner.Reason == BidReasons.ValidBid)
                    {
                    }
                    else if (winner.Reason == BidReasons.Evacuate)
                    {
                        //EvacuatingHost = message.SenderId;
                        EvacuatingHosts.Add(message.SenderId);
                        DataHolder.SetUtilization(message.SenderId, UtilizationStates.Evacuating);
                    }
                    else
                    {
                        throw new NotImplementedException("from auction");
                    }

                    //Here The Difference Exist
                    if (_currentAuction.ActionType == StrategyActionType.PushAction)
                    {
                        InitiateMigration(_currentAuction.Owner, winner.BiddingHost, winner.ContainerId);
                    }
                    else
                    {
                        InitiateMigration(winner.BiddingHost, _currentAuction.Owner, winner.ContainerId);
                    }
                }
                //Cancel All Bids
                foreach (var candidate in _currentAuction.GetAllCandidates())
                {
                    if (winner == null || candidate != winner.BiddingHost)
                    {
                        BidCancellationRequest request = new BidCancellationRequest(candidate, this.MachineId, _currentAuction.InstanceId);
                        CommunicationModule.SendMessage(request);
                        Console.WriteLine($"\tMaster: Send cancel to {candidate} on auction {_currentAuction.InstanceId}");
                    }
                }
                Console.WriteLine($"\t Master: Closing Auction #{_currentAuction.InstanceId}");
                //Auctions.Remove(currentAuction);

                _currentAuction = null;
                if (Used == 0)
                {
                    throw new NotImplementedException();
                }
                Used = 0;
            }
        }
コード例 #2
0
        /// <summary>
        /// Should Be Optimized for the reasons to add new host or remove one
        /// </summary>
        /// <param name="hostId"></param>
        /// <param name="atype"></param>
        protected void InitiateRejectAction(int hostId, StrategyActionType atype)
        {
            //Implement Conditions for How to Add New Nodes or Remove
            //Implement Add Host and Evacuation System Locks
            var action = RejectActions.Nothing;

            switch (atype)
            {
            case StrategyActionType.PushAction:
                //Create New Host
                //if (hostId != EvacuatingHost)
                //if (EvacuatingHost == 0)

                if (EvacuatingHosts.Count == 0)
                {
                    //if (_pushFailures > Global.GetNoOfFailures)
                    if (!DataHolder.GetCandidateHosts(UtilizationStates.UnderUtilization, 0).Any())
                    {
                        PowerController.PowerOnHost();
                    }
                    //_pushFailures = 0;

                    //else
                    //{
                    //    //_pushFailures++;
                    //}
                }
                //else if (hostId == EvacuatingHost)
                else if (EvacuatingHosts.Contains(hostId))
                {
                    action = RejectActions.CancelEvacuation;
                    Console.WriteLine($"Cancel Evacuation for {hostId}");
                    //EvacuatingHost = 0;
                    EvacuatingHosts.Remove(hostId);
                    DataHolder.SetUtilization(hostId, UtilizationStates.UnderUtilization);
                }
                else
                {
                    //throw new Exception("Evacuting Host with Push Request, What to Do");
                    //Options (Cancel Evacuation Mode @All Hosts)
                    foreach (var ehost in EvacuatingHosts)
                    {
                        DataHolder.SetUtilization(ehost, UtilizationStates.UnderUtilization);
                        var cem = new CancelEvacuation(ehost, this.MachineId);
                        CommunicationModule.SendMessage(cem);
                    }
                    EvacuatingHosts.Clear();
                }
                break;

            case StrategyActionType.PullAction:
                //Evacuate Host
                if (EvacuatingHosts.Contains(hostId))
                {
                    throw new NotImplementedException();
                }
                if (    //(EvacuatingHost == 0 &&
                    !DataHolder.GetCandidateHosts(UtilizationStates.OverUtilization, 0).Any())
                {
                    DataHolder.SetUtilization(hostId, UtilizationStates.Evacuating);
                    //EvacuatingHost = hostId;
                    EvacuatingHosts.Add(hostId);
                    if (EvacuatingHosts.Count > 1)
                    {
                    }
                    action = RejectActions.Evacuate;
                    Console.WriteLine($"Start Evacuation for {hostId}");
                }
                //else if (hostId == EvacuatingHost)
                //{
                //    throw new NotImplementedException();
                //}

                break;

            default:
                throw new ArgumentOutOfRangeException();
            }
            RejectRequest request = new RejectRequest(hostId, this.MachineId, atype, action);

            CommunicationModule.SendMessage(request);
        }
コード例 #3
0
 private void HandleEvacuationDone(EvacuationDone message)
 {
     PowerController.PowerOffHost(message.SenderId);
     //EvacuatingHost = 0;
     EvacuatingHosts.Remove(message.SenderId);
 }
コード例 #4
0
        public override void HandleLoadAvailabilityResponce(LoadAvailabilityResponce message)
        {
            // var currentInOrderPrope = _currentStrategyInstance as InOrderProping;
            if (!message.HostBid.Valid)
            {
                BidCancellationRequest brequest = new BidCancellationRequest(message.SenderId, this.MachineId, _currentProping.InstanceId);
                CommunicationModule.SendMessage(brequest);

                //Should try to find another one before rejection
                if (_currentProping.OpenSession)
                {
                    int candidateHostId = _currentProping.GetNextCandidate();
                    switch (_currentProping.ActionType)
                    {
                    case StrategyActionType.PushAction:
                        var aRequest1 = new PushLoadAvailabilityRequest(candidateHostId, this.MachineId,
                                                                        _currentProping.ContainerLoadInfo, _currentProping.InstanceId, _currentProping.Owner);
                        CommunicationModule.SendMessage(aRequest1);

                        break;

                    case StrategyActionType.PullAction:
                        var aRequest2 = new PullLoadAvailabilityRequest(candidateHostId, this.MachineId,
                                                                        _currentProping.InstanceId, _currentProping.Owner);
                        CommunicationModule.SendMessage(aRequest2);

                        break;

                    default:
                        throw new ArgumentOutOfRangeException();
                    }
                    return;
                }
                else
                {
                    InitiateRejectAction(_currentProping.Owner, _currentProping.ActionType);
                }
            }
            else
            {
                if (message.HostBid.Reason == BidReasons.ValidBid)
                {
                }
                else if (message.HostBid.Reason == BidReasons.Evacuate)
                {
                    //EvacuatingHost = message.SenderId;
                    EvacuatingHosts.Add(message.SenderId);
                    if (EvacuatingHosts.Count > 1)
                    {
                    }
                    DataHolder.SetUtilization(message.SenderId, UtilizationStates.Evacuating);
                }
                else
                {
                    throw new NotImplementedException("from in order");
                }
                if (_currentProping.ActionType == StrategyActionType.PushAction)
                {
                    InitiateMigration(_currentProping.Owner, message.HostBid.BiddingHost, message.HostBid.ContainerId);
                }
                else
                {
                    InitiateMigration(message.HostBid.BiddingHost, _currentProping.Owner, message.HostBid.ContainerId);
                }
            }
            if (Used == 0 || _currentProping == null)
            {
                throw new NotImplementedException("");
            }
            Used            = 0;
            _currentProping = null;
        }