Exemplo n.º 1
0
        public override bool SendPacketDirectly(float time, Packet pkg)
        {
            float recv_time = global.processDelay + global.internetDelay;
            pkg.Prev = Id;
            Console.WriteLine("{0:F4} [{1}] {2}{3} sends to {4}{5}", scheduler.currentTime, pkg.Type, this.type, this.Id, pkg.NextType, (pkg.Next == -1 ? "all" : pkg.Next.ToString()));

            if (pkg.Next == -1) //Broadcast
                return true;//No such a case.
            else
            {
                Node node = null;
                switch (pkg.NextType)
                {
                    case NodeType.READER:
                        node = global.readers[pkg.Next];
                        break;
                    case NodeType.SERVER:
                        node = global.server;
                        break;
                    default:
                        Debug.Assert(false, "Error Next Type!");
                        break;
                }
                pkg.PrevType = type;
                pkg.Prev = Id;
                Event.AddEvent(
                    new Event(time + recv_time, EventType.RECV,
                        node, pkg));
            }
            return true;
        }
Exemplo n.º 2
0
 public IOTPhenomemon(IOTPhenomemonType type, int nodeId, double time, Packet pkg)
 {
     this.type = type;
     this.nodeId = nodeId;
     this.start = this.end = time;
     this.pkg = pkg;
 }
        public override void Recv(Packet pkg)
        {
            if (pkg.PrevType != NodeType.READER)
            {
                Console.WriteLine("{0:F4} [{1}] {2}{3} drop from {4}{5} due to wrong node type", scheduler.currentTime, pkg.Type, this.type,this.Id, pkg.PrevType, pkg.Prev);
                return;
            }

            Reader node = global.readers[pkg.Prev];
            if (Utility.Distance(this, (MobileNode)node) > Global.getInstance().objectMaxDist)
            {
                Console.WriteLine("{0:F4} [{1}] {2}{3} Drop {4}{5} due to out of space", scheduler.currentTime, pkg.Type, this.type, this.Id, pkg.PrevType, pkg.Prev);
                return;
            }

            switch (pkg.Type)
            {
                case PacketType.LOGICAL_PATH_REQUEST:
                    Console.WriteLine("{0:F4} [{1}] {2}{3} recv from {4}{5}", scheduler.currentTime, pkg.Type, this.type, this.Id, pkg.PrevType, pkg.Prev);
                    RecvQueryRequest(pkg);
                    break;
                case PacketType.DATA_AVAIL: //Override the link path update
                    Console.WriteLine("{0:F4} [{1}] {2}{3} recv from {4}{5}", scheduler.currentTime, pkg.Type, this.type, this.Id, pkg.PrevType, pkg.Prev);
                    UpdateLogicalPath(pkg);
                    break;
                default:
                    base.Recv(pkg);
                    return;
            }
            return;
        }
Exemplo n.º 4
0
        public void GetQueryResponseFromServer(Packet pkg)
        {
            if (pkg.ObjectLogicalPathQueryServerReply == null)
            {
                Console.WriteLine("{0:F4} [{1}] {2}{3} Querying result: Object not found.", scheduler.currentTime, pkg.Type, this.type, this.Id);
                return;
            }
            else
                Console.WriteLine("{0:F4} [{1}] {2}{3} Querying result: Object {4}.", scheduler.currentTime, pkg.Type, this.type, this.Id, pkg.ObjectLogicalPathQueryServerReply.ToString());

            ObjectLogicalPathQueryServerReplyField f = pkg.ObjectLogicalPathQueryServerReply;
            if (scheduler.currentTime - f.time > global.maxLocationUpdateInterval * 2)
            {
                Console.WriteLine("{0:F4} [{1}] {2}{3} Query abort: Object {4} move time out.", scheduler.currentTime, pkg.Type, this.type, this.Id, pkg.ObjectLogicalPathQueryServerReply.obj);
                return;
            }
            Packet pkg1 = new Packet(this, global.readers[f.reader], PacketType.LOGICAL_PATH_REQUEST);
            pkg1.Next = f.gateway;
            pkg1.NextType = NodeType.READER;
            pkg1.ObjectLogicalPathQueryReqeust = new ObjectLogicalPathQueryRequestField();
            pkg1.ObjectLogicalPathQueryReqeust.gateway = f.gateway;
            pkg1.ObjectLogicalPathQueryReqeust.reader = f.reader;
            pkg1.ObjectLogicalPathQueryReqeust.obj = f.obj;
            SendPacketDirectly(scheduler.currentTime, pkg1);
        }
Exemplo n.º 5
0
        public override void Recv(Packet pkg)
        {
            if (pkg.PrevType != NodeType.READER)
            {
                Console.WriteLine("{0:F4} [{1}] {2}{3} drop from {4}{5} due to wrong node type", scheduler.currentTime, pkg.Type, this.type, this.Id, pkg.PrevType, pkg.Prev);
                return;
            }

            Reader node = global.readers[pkg.Prev];
            if (Utility.Distance(this, (MobileNode)node) > Global.getInstance().objectMaxDist)
            {
                Console.WriteLine("{0:F4} [{1}] {2}{3} Drop {4}{5} due to out of space", scheduler.currentTime, pkg.Type, this.type, this.Id, pkg.PrevType, pkg.Prev);
                return;
            }

            switch (pkg.Type)
            {
                case PacketType.TAG_HEADER:
                    Console.WriteLine("{0:F4} [{1}] {2}{3} recv from {4}{5}", scheduler.currentTime, pkg.Type, this.type, this.Id, pkg.PrevType, pkg.Prev);
                    RecvTagHeaderRequest(pkg);
                    break;
                case PacketType.DATA_AVAIL:
                    Console.WriteLine("{0:F4} [{1}] {2}{3} recv from {4}{5}", scheduler.currentTime, pkg.Type, this.type, this.Id, pkg.PrevType, pkg.Prev);
                    RecvAuthorization(pkg);
                    break;
                default:
                    base.Recv(pkg);
                    return;
            }
            return;
        }
Exemplo n.º 6
0
        public void RecvAuthorization(Packet pkg)
        {
            int key = pkg.Authorization.keys[0];
            if (key != Id)
            {
                Console.WriteLine("Object{0} key not match: {1}.", Id, key);
                return;
            }
            this.lastNearReader = this.global.readers[pkg.Src];
            this.lastNearReaderTime = scheduler.currentTime;

            List<Packet> removeList = new List<Packet>();
            List<Packet> addList = new List<Packet>();
            foreach (Packet p in this.cachePackets)
            {
                if (TrySendData(p) && this.cachePackets.Contains(pkg))
                    removeList.Add(p);
                else if (!this.cachePackets.Contains(pkg))
                    addList.Add(pkg);
            }
            //我们就不测重试失败的例子了
            /*
            foreach (Packet p in addList)
                this.cachePackets.Add(p);
             **/
            foreach (Packet p in removeList)
                this.cachePackets.Remove(p);
        }
Exemplo n.º 7
0
 public void GetQueryResponseFromReader(Packet pkg)
 {
     if (pkg.ObjectLogicalPathQueryReply == null)
         Console.WriteLine("{0:F4} [{1}] {2}{3} Querying result: Object not found.", scheduler.currentTime, pkg.Type, this.type, this.Id);
     else
         Console.WriteLine("{0:F4} [{1}] {2}{3} Querying result: Object {4}, total time:{5}.", scheduler.currentTime, pkg.Type, this.type, this.Id, pkg.ObjectLogicalPathQueryReply, scheduler.currentTime - this.queryingTime);
     this.queryingTime = -1;
 }
Exemplo n.º 8
0
 public void GetQueryResponse(Packet pkg)
 {
     if (pkg.ObjectLocationReply == null)
         Console.WriteLine("{0:F4} [LOCATION_QUERY] {1}{2} Querying result: Object {3} not found.", scheduler.currentTime, this.type, this.Id, pkg.ObjectLocationReply.obj);
     else
         Console.WriteLine("{0:F4} [LOCATION_QUERY] {1}{2} Querying result: Object {3}.", scheduler.currentTime, this.type, this.Id, pkg.ObjectLocationReply.ToString());
     this.queryingTime = -1;
 }
Exemplo n.º 9
0
 public IOTPhenomemon(IOTPhenomemonType type, int nodeId, double start, double end, Packet pkg)
 {
     this.type = type;
     this.nodeId = nodeId;
     this.start = start;
     this.end = end;
     this.pkg = pkg;
 }
Exemplo n.º 10
0
        public void SendObjectLogicalPath(Packet pkg)
        {
            Node querier = global.queriers[pkg.Src];
            Packet pkg1 = new Packet(this, querier, PacketType.LOCATION_QUERY);
            int obj = pkg.ObjectLocationRequest.obj;
            if (this.objectLogicalPaths.ContainsKey(obj))
                pkg1.ObjectLogicalPathQueryServerReply = new ObjectLogicalPathQueryServerReplyField(obj, this.objectLogicalPaths[obj].G, this.objectLogicalPaths[obj].R, this.objectLogicalPaths[obj].T);
            else
                pkg1.ObjectLogicalPathQueryServerReply = null;

            SendPacketDirectly(scheduler.currentTime, pkg1);
        }
Exemplo n.º 11
0
 public void CheckReversePathCache(Packet pkg)
 {
     int r = pkg.ObjectLogicalPathUpdate.r;
     int o = pkg.ObjectLogicalPathUpdate.obj;
     string key = r + "_" + o;
     int prev = pkg.Prev;
     if (this.reversePathCache.ContainsKey(key))
     {
         this.reversePathCache[key].time = scheduler.currentTime;
     }
     else
     {
         this.reversePathCache.Add(key, new ReversePath(r, prev, scheduler.currentTime));
     }
 }
Exemplo n.º 12
0
 public override void Recv(Packet pkg)
 {
     switch (pkg.Type)
     {
         //Some codes are hided in the base class.
         case PacketType.LOGICAL_PATH_UPDATE:
             UpdateLogicalPath(pkg);
             break;
         case PacketType.LOCATION_QUERY:
             SendObjectLogicalPath(pkg);
             break;
         default:
             base.Recv(pkg);
             return;
     }
 }
Exemplo n.º 13
0
        public void UpdateLogicalPath(Packet pkg)
        {
            int id = pkg.ObjectLogicalPathUpdate.obj;
            ObjectLogicalPath path = null;
            if (this.objectLogicalPaths.ContainsKey(id))
                path = this.objectLogicalPaths[id];
            else
            {
                path = new ObjectLogicalPath();
                this.objectLogicalPaths.Add(id, path);
            }

            path.O = pkg.ObjectLogicalPathUpdate.obj;
            path.R = pkg.ObjectLogicalPathUpdate.r;
            path.G = pkg.ObjectLogicalPathUpdate.g;
            path.T = pkg.ObjectLogicalPathUpdate.t;
        }
Exemplo n.º 14
0
 public override void Recv(Packet pkg)
 {
     if (pkg.PrevType != NodeType.SERVER )
     {
         System.Console.WriteLine("Server receive error type!");
         return;
     }
     else if (pkg.PrevType == NodeType.SERVER)
     {
         switch (pkg.Type)
         {
             case PacketType.LOCATION_QUERY:
                 Console.WriteLine("{0:F4} [{1}] {2}{3} recv from {4}{5}, total time:{6}", scheduler.currentTime, pkg.Type, this.type, this.Id, pkg.PrevType, pkg.Prev, scheduler.currentTime-this.queryingTime);
                 GetQueryResponse(pkg);
                 break;
         }
     }
 }
Exemplo n.º 15
0
        public void RecvQueryRequest(Packet pkg)
        {
            ObjectLogicalPathQueryRequestField f = pkg.ObjectLogicalPathQueryReqeust;
            Reader gw = global.readers[f.gateway];
            Packet reply = new Packet(this, gw, PacketType.LOGICAL_PATH_REPLY);
            reply.NextType = NodeType.READER;
            reply.Next = pkg.Prev;
            reply.ObjectLogicalPathQueryReply = new ObjectLogicalPathQueryReplyField();
            reply.ObjectLogicalPathQueryReply.gateway = f.gateway;
            reply.ObjectLogicalPathQueryReply.obj = Id;
            reply.ObjectLogicalPathQueryReply.querier = pkg.Src;
            //TODO, x and y should be acquired from landmark reader...
            reply.ObjectLogicalPathQueryReply.shape = new PointShape(this.x, this.y);

            //TODO fill the shape.
            //do some stuf here
            SendPacketDirectly(scheduler.currentTime, reply);
        }
Exemplo n.º 16
0
 public override void Recv(Packet pkg)
 {
     if (pkg.PrevType != NodeType.READER)
     {
         Debug.Assert(false, "Wrong packet src");
     }
     Node node = global.readers[pkg.Prev];
     if (Utility.Distance(this, (MobileNode)node) > Global.getInstance().nodeMaxDist)
     {
         Console.WriteLine("{0:F4} [{1}] {2}{3} Drop from {4}{5} out of space", scheduler.currentTime, pkg.Type, this.type, this.Id, pkg.PrevType, pkg.Prev);
         return;
     }
     switch (pkg.Type)
     {
         case PacketType.LANDMARK:
             Console.WriteLine("{0:F4} [{1}] {2}{3} recv from {4}{5}", scheduler.currentTime, pkg.Type, this.type, this.Id, pkg.PrevType, pkg.Prev);
             SetCurrentLandmarkLocation(pkg);
             break;
         case PacketType.DATA_AVAIL:
             Console.WriteLine("{0:F4} [{1}] {2}{3} recv from {4}{5}", scheduler.currentTime, pkg.Type, this.type, this.Id, pkg.PrevType, pkg.Prev);
             UpdateLocation(pkg);
             List<Packet> removeList = new List<Packet>();
             foreach (Packet p in this.cachePackets)
             {
                 if (this.cachePackets.Contains(pkg) && TrySendData(p))
                 {
                     this.lastNearReader = this.global.readers[pkg.Src];
                     this.lastNearReaderTime = scheduler.currentTime;
                     removeList.Add(p);
                 }
                 else if (!this.cachePackets.Contains(pkg))
                     this.cachePackets.Add(pkg);
             }
             foreach (Packet p in removeList)
                 this.cachePackets.Remove(p);
             break;
         default:
             break;
     }
     return;
 }
Exemplo n.º 17
0
        public void UpdateLogicalPath(Packet pkg)
        {
            float interval = scheduler.currentTime - this.lastLocationUpdate;
            if (interval < global.minLocationUpdateInterval)
                return;

            Reader reader = this.global.readers[pkg.Src];
            //if (reader == lastNearReader && interval < global.maxLocationUpdateInterval)
            if (interval < global.maxLocationUpdateInterval)
                return;

            Packet pkg1 = new Packet(this, global.server, PacketType.LOGICAL_PATH_UPDATE);
            pkg1.ObjectLogicalPathUpdate = new ObjectLogicalPathUpdateField(Id);
            pkg1.ObjectLogicalPathUpdate.t = scheduler.currentTime;
            pkg1.ObjectLogicalPathUpdate.s = global.server.Id;
            pkg1.Next = reader.Id;
            pkg1.NextType = NodeType.READER;
            SendPacketDirectly(scheduler.currentTime, pkg1);
            this.lastLocationUpdate = scheduler.currentTime;
            this.lastNearReader = reader;
            //Console.WriteLine("{0:F4} [{1}] {2}{3} starts to update logical path", scheduler.CurrentTime,pkg1.Type, this.type, this.id);
        }
Exemplo n.º 18
0
 public override void Recv(Packet pkg)
 {
     Node node = Node.getNode(pkg.Prev, pkg.PrevType);
     if (node.type == NodeType.SERVER)
     {
         switch (pkg.Type)
         {
             case PacketType.LOCATION_QUERY:
                 Console.WriteLine("{0:F4} [{1}] {2}{3} recv from {4}{5}", scheduler.currentTime, pkg.Type, this.type, this.Id, pkg.PrevType, pkg.Prev);
                 GetQueryResponseFromServer(pkg);
                 break;
         }
     }
     else if (node.type == NodeType.READER)
     {
         switch (pkg.Type)
         {
             case PacketType.LOGICAL_PATH_REPLY:
                 GetQueryResponseFromReader(pkg);
                 break;
         }
     }
 }
Exemplo n.º 19
0
        public override void Recv(Packet pkg)
        {
            if (pkg.PrevType != NodeType.QUERIER &&
                pkg.PrevType != NodeType.READER)
            {
                Debug.Assert(false, scheduler.currentTime + " Server receive error type!");
            }

            if (pkg.PrevType == NodeType.READER)
            {
                switch (pkg.Type)
                {
                    case PacketType.LOCATION_UPDATE:
                        Console.WriteLine("{0:F4} [{1}] {2}{3} recv from {4}{5}", scheduler.currentTime, pkg.Type, this.type, this.Id, pkg.PrevType, pkg.Prev);
                        Console.WriteLine("{0:F4} [{1}] {2}{3} update location for {4}{5}", scheduler.currentTime, pkg.Type, this.type, this.Id, NodeType.OBJECT, pkg.ObjectUpdateLocation.obj);
                        updateLocation(pkg.ObjectUpdateLocation.obj, pkg.ObjectUpdateLocation.location.X,
                            pkg.ObjectUpdateLocation.location.Y, pkg.ObjectUpdateLocation.updateTime);
                        break;
                    case PacketType.DATA:
                        Console.WriteLine("{0:F4} [{1}] {2}{3} recv from {4}{5}", scheduler.currentTime, pkg.Type, this.type, this.Id, pkg.PrevType, pkg.Prev);
                        Console.WriteLine("{0:F4} [{1}] {2}{3} recv data from {4}{5}. total time: {6}", scheduler.currentTime, pkg.Type, this.type, this.Id, pkg.SrcType, pkg.Src, scheduler.currentTime-pkg.beginSentTime);
                        break;

                }
            }
            else if (pkg.PrevType == NodeType.QUERIER)
            {
                switch (pkg.Type)
                {
                    case PacketType.LOCATION_QUERY:
                        Console.WriteLine("{0:F4} [{1}] {2}{3} recv from {4}{5}", scheduler.currentTime, pkg.Type, this.type, this.Id, pkg.PrevType, pkg.Prev);
                        SendObjectLocation(pkg);
                        break;
                }
            }
        }
Exemplo n.º 20
0
        public void RecvTagHeaderResponse(Packet pkg)
        {
            //终端节点收到标签的请求
            if (pkg.PrevType == NodeType.OBJECT)
            {
                int tagId = pkg.ObjectTagHeader.tagId;
                int orgId = pkg.ObjectTagHeader.orgId;
                if (!this.NearbyObjectCache.ContainsKey(tagId))
                {
                    throw new Exception("no such a tag before, design eror?");
                }
                if (this.NearbyObjectCache[tagId].orgId < 0)
                {
                    //首先添加缓存
                    Console.WriteLine("{0:F4} [NEW_TAG_FOUND] {1}{2} of ORG{3} found by READER{4}", scheduler.currentTime, pkg.PrevType, tagId, orgId, Id);
                    //this.NearbyObjectCache.Add(tagId, new ObjectEntity(tagId, orgId, scheduler.CurrentTime));
                    this.NearbyObjectCache[tagId].key = -1;
                    this.NearbyObjectCache[tagId].orgId = orgId;
                    this.NearbyObjectCache[tagId].time = scheduler.currentTime;

                }
                if (this.NearbyObjectCache[tagId].key >= 0)
                {
                    Packet pkg1 = new Packet(this, global.objects[pkg.Src], PacketType.DATA_AVAIL);
                    pkg1.Authorization = new AuthorizationField(new int[1] { tagId }, new int[1] { this.NearbyObjectCache[tagId].key });
                    SendPacketDirectly(scheduler.currentTime, pkg1);
                    return;
                }

                //如果缓存中没有该节点,或尚未授权,则发请求到相应机构
                //TODO make sure the request does not send too soon

                //send request to the org
                Packet pkg2 = new Packet(this, global.orgs[orgId], PacketType.TAG_HEADER);
                pkg2.ObjectTagHeader = new ObjectTagHeaderField(
                    pkg.ObjectTagHeader.tagId, pkg.ObjectTagHeader.orgId);
                pkg2.ObjectTagHeader.networkId = networkId;
                RoutePacket(pkg2);
                return;

            }
            if (this.IsGateway == true)
            {
                pkg.Next = pkg.Dst;
                pkg.NextType = pkg.DstType;
                SendPacketDirectly(scheduler.currentTime, pkg);
                return;
            }
            else
            {
                RoutePacket(pkg);
                return;
            }
        }
Exemplo n.º 21
0
        public override void SendBeacon(float time)
        {
            Packet pkg = new Packet();
            pkg.Type = PacketType.BEACON;
            pkg.Src = pkg.Prev = Id;
            pkg.Dst = pkg.Next = -1;//Broadcast
            pkg.TTL = 1;

            pkg.Beacon = new BeaconField();
            if (this.gatewayEntities.Count > 0)
            {
                pkg.Beacon.gatewayEntities = new GatewayEntity[this.gatewayEntities.Count];
                int i = 0;
                foreach (int g in this.gatewayEntities.Keys)
                {
                    pkg.Beacon.gatewayEntities[i++] = new GatewayEntity(g, this.Id, this.gatewayEntities[g].hops);
                }
            }
            SendPacketDirectly(time, pkg);
            float nextBeacon = 0;
            if (scheduler.currentTime < global.beaconWarming)
                nextBeacon = (float)(Utility.P_Rand(10 * (global.beaconWarmingInterval + 0.4)) / 10);//0.5是为了设定最小值
            else
                nextBeacon = (float)(Utility.P_Rand(10 * global.beaconInterval) / 10);
            Event.AddEvent(new Event(scheduler.currentTime + nextBeacon, EventType.SND_BCN, this, null));
        }
Exemplo n.º 22
0
 public void RecvMonitorResponse(Packet pkg)
 {
     GetMonitorResponseField f = pkg.GetMonitorResponse;
     if (this.IsGateway)
     {
         if (!this.cachedMonitorNodes.ContainsKey(f.monitorOrg))
             this.cachedMonitorNodes.Add(f.monitorOrg, new HashSet<int>());
         if (this.cachedMonitorNodes[f.monitorOrg].Contains(f.monitorNode))
             this.cachedMonitorNodes[f.monitorNode].Add(f.monitorNode);
     }
     RoutePacket(pkg);
 }
Exemplo n.º 23
0
 public void RecvSetMonitor(Packet pkg)
 {
     int monitorNode = pkg.SetMonitorResponse.monitorNode;
     int monitorOrg = pkg.SetMonitorResponse.monitorOrg;
     int monitorNetwork = pkg.SetMonitorResponse.monitorNetwork;
     //机构发向某节点的setmonitor
     if (pkg.Dst != BroadcastNode.Node.Id)
     {
         if (pkg.Dst == Id) // i am dst
         {
             if (this.assignedMonitorOrgs == null) // the first time
             {
                 Console.WriteLine("{0:F4} [{1}] {2}{3} is selected as a monitor of {4}{5}", scheduler.currentTime, pkg.Type, this.type, this.Id, pkg.SrcType, pkg.Src);
                 this.assignedMonitorOrgs = new HashSet<int>();
                 this.cachedEventTrustResult = new List<IOTEventTrustResult>();
                 CheckEvents();
             }
             if (!this.assignedMonitorOrgs.Contains(pkg.Src))
                 this.assignedMonitorOrgs.Add(pkg.Src);
             else
                 return;
             Packet pkg1 = new Packet(this, BroadcastNode.Node, PacketType.SET_MONITOR);
             pkg1.SetMonitorResponse = new SetMonitorResponseField(monitorNode, monitorOrg, monitorNetwork);
             SendPacketDirectly(scheduler.currentTime, pkg1);
             return;
         }
         else  //not dst, forward
             RoutePacket(pkg);
     }
     else
     {
         if (this.orgMonitorMapping.ContainsKey(monitorOrg) && this.orgMonitorMapping[monitorOrg].Contains(monitorNode))
             return;
         else
         {
             if (!this.orgMonitorMapping.ContainsKey(monitorOrg))
                 this.orgMonitorMapping.Add(monitorOrg, new List<int>());
             this.orgMonitorMapping[monitorOrg].Add(monitorNode);
             Packet pkg1 = new Packet(this, BroadcastNode.Node, PacketType.SET_MONITOR);
             pkg1.SetMonitorResponse = new SetMonitorResponseField(monitorNode, monitorOrg, monitorNetwork);
             SendPacketDirectly(scheduler.currentTime, pkg1);
             return;
         }
     }
 }
Exemplo n.º 24
0
        public void RecvEventReport(Packet pkg)
        {
            if (pkg.Dst != Id)
            {
                RoutePacket(pkg);
                return;
            }

            if (this.assignedMonitorOrgs == null || this.assignedMonitorOrgs.Count == 0)
            {
                Console.WriteLine("Reader{0} is not a monitor node.", Id);
                return;
            }

            MemoryStream ms = new MemoryStream(pkg.TrustReport.result);
            BinaryFormatter formatter = new BinaryFormatter();
            List<IOTEventTrustResult> results = (List<IOTEventTrustResult>)formatter.Deserialize(ms);
            if(global.debug)
                Console.WriteLine("READER{0} recv {1} reports.", Id, results.Count);
            foreach (IOTEventTrustResult r in results)
                this.cachedEventTrustResult.Add(r);
        }
Exemplo n.º 25
0
        public void RecvMonitorRequest(Packet pkg)
        {
            int networkId = pkg.GetMonitorRequest.network;
            if (this.networkId != networkId)
            {
                Console.WriteLine("Fatal: wrong network: {0} - {1}", this.networkId, networkId);
                return;
            }
            GetMonitorRequestField f = pkg.GetMonitorRequest;
            int[] orgs = f.orgs;
            int requestOrg = f.requestOrg;
            if (this.IsGateway)
            {
                //如果自己是网关,则查找
                foreach (int o in orgs)
                {
                    if (this.cachedMonitorNodes.ContainsKey(o))
                    {
                        Packet pkg1 = new Packet(this, global.orgs[requestOrg], PacketType.GET_MONITOR_RESPONSE);
                        pkg1.GetMonitorResponse = new GetMonitorResponseField(o, this.cachedMonitorNodes[o].First(), networkId);
                        SendPacketDirectly(scheduler.currentTime, pkg1);
                        return;
                    }
                }
            }

            //如果自己网关,但没有缓存信息,或者自己是普通节点,检查自己的机构
            for (int i = 0; i < orgs.Length; i++)
            {
                if (orgs[i] == this.OrgId)
                {
                    Packet pkg1 = new Packet(this, global.orgs[requestOrg], PacketType.GET_MONITOR_RESPONSE);
                    pkg1.GetMonitorResponse = new GetMonitorResponseField(this.Id, this.OrgId, networkId);
                    SendPacketDirectly(scheduler.currentTime, pkg1);
                    return;
                }
            }
            //如果自己的机构不在列表中,则广播其他邻居
            Packet pkg2 = new Packet();
            pkg.Src = pkg.Prev = Id;
            pkg.Dst = pkg.Next = -1;//Broadcast
            pkg.GetMonitorRequest = new GetMonitorRequestField(f.orgs, f.network, f.requestOrg);
            SendPacketDirectly(scheduler.currentTime, pkg2);
        }
Exemplo n.º 26
0
 public void RecvCommand(Packet pkg)
 {
     if (pkg.Dst == Id)
     {
         CommandField cmd = pkg.Command;
         CommandField cmd1 = new CommandField(cmd.tag, cmd.operation);
         if (this.readerType == ReaderType.DROP_COMMAND)
             return;
         if (this.readerType == ReaderType.MODIFY_COMMAND)
             cmd1.operation = -1; // -1表示被修改了
         Packet pkg1 = new Packet(this, global.objects[cmd.tag], PacketType.COMMAND);
         SendPacketDirectly(scheduler.currentTime, pkg1);
     }
     else
         RoutePacket(pkg);
 }
Exemplo n.º 27
0
        public override void RecvBeacon(Packet pkg)
        {
            Scheduler scheduler = Scheduler.getInstance();
            Reader node = global.readers[pkg.Src];

            if (pkg.Prev == Id && pkg.PrevType == type)
                return;

            Neighbor nb = null;
            if (Neighbors.ContainsKey(node.Id))
            {
                nb = (Neighbor)Neighbors[node.Id];
            }
            if (nb != null)
            {
                nb.lastBeacon = scheduler.currentTime;
            }
            else
            {
                //Add as a neighbor
                AddNeighbor(node);
            }

            if (pkg.Beacon != null)
            {
                if (pkg.Beacon.gatewayEntities != null)
                {
                    for (int i = 0; i < pkg.Beacon.gatewayEntities.Length; i++)
                    {
                        GatewayEntity g = pkg.Beacon.gatewayEntities[i];
                        if (!this.gatewayEntities.ContainsKey(g.gateway))
                        {
                            this.gatewayEntities.Add(g.gateway, new GatewayEntity(g.gateway, g.next, g.hops + 1));
                            Console.WriteLine("{0:F4} [{1}] {2}{3} add a gateway of {4} hops {5}.", scheduler.currentTime, pkg.Type, this.type, this.Id, g.gateway, g.hops);
                        }
                        else if (this.gatewayEntities[g.gateway].hops > g.hops + 1)
                        {
                            this.gatewayEntities[g.gateway].hops = g.hops + 1;
                            this.gatewayEntities[g.gateway].next = g.next;
                            Console.WriteLine("{0:F4} [{1}] {2}{3} update a gateway of {4} hops {5}.", scheduler.currentTime, pkg.Type, this.type, this.Id, g.gateway, g.hops);
                        }
                        else if (this.gatewayEntities[g.gateway].next == g.next)//update in case of the next hop moves
                            this.gatewayEntities[g.gateway].hops = g.hops + 1;
                    }
                }
            }
        }
Exemplo n.º 28
0
        public void RecvAuthorization(Packet pkg)
        {
            if (pkg.Dst == Id) // i am dst
            {
                AuthorizationField f = pkg.Authorization;
                for (int i = 0; i < f.tags.Length; i++)
                {
                    int tagId = f.tags[i];
                    int key = f.keys[i];

                    if (!this.NearbyObjectCache.ContainsKey(tagId))
                    {
                        Console.WriteLine("OBJECT{0} is out of READER{1}", tagId, Id);
                        continue;
                    }
                    this.NearbyObjectCache[tagId].key = key;
                    Packet pkg1 = new Packet(this,
                        global.objects[tagId], PacketType.DATA_AVAIL);
                    int[] tags = new int[1] { tagId };
                    int[] keys = new int[1] { key };
                    pkg1.Authorization = new AuthorizationField(tags, keys);
                    SendPacketDirectly(scheduler.currentTime, pkg1);
                }
                return;
            }
            //forward
            RoutePacket(pkg);
        }
Exemplo n.º 29
0
        //Get all near reader rather than objects.
        public override void NotifyObjects()
        {
            List<ObjectNode> list = GetAllNearObjects(this, global.objectMaxDist);

            foreach (ObjectNode obj in list)
            {
                if (!this.NearbyObjectCache.ContainsKey(obj.Id))
                {
                    this.NearbyObjectCache.Add(obj.Id, new ObjectEntity(obj.Id, -1, scheduler.currentTime));
                }
                else
                {
                    if (scheduler.currentTime - this.NearbyObjectCache[obj.Id].time < 1)//TODO 1 is fixed...
                        continue;
                    this.NearbyObjectCache[obj.Id].time = scheduler.currentTime;
                }
                Packet pkg = new Packet(this, obj, PacketType.TAG_HEADER); //Request the object's tag header.
                SendPacketDirectly(scheduler.currentTime, pkg);
            }
        }
Exemplo n.º 30
0
        //普通节点检查现象
        public void CheckRoutine()
        {
            if(global.debug)
                Console.WriteLine("{0}{1} check routing.", type, Id);
            CheckNetworkBandwidth();
            CheckNodeSpeeds();
            //Console.WriteLine("Reader{0} ClearOutdatedPhenomemons.", id);
            ClearOutdatedPhenomemons();

            //Console.WriteLine("Reader{0} CheckTimeoutPhenomemons.", id);
            CheckTimeoutPhenomemons();
            if (this.observedPhenomemons.Count > 0)
            {
                List<IOTEventTrustResult> list = IOTEventTrust.DeduceAllEventTrusts(this.Id, this.observedPhenomemons, scheduler.currentTime);

                Dictionary<int, List<IOTEventTrustResult>> l = new Dictionary<int, List<IOTEventTrustResult>>();
                for (int i = 0; i < list.Count; i++)
                {
                    IOTEventTrustResult r = list[i];
                    if (!l.ContainsKey(r.app))
                        l.Add(r.app, new List<IOTEventTrustResult>());
                    l[r.app].Add(r);
                }
                foreach (KeyValuePair<int, List<IOTEventTrustResult>> entity in l)
                {
                    int org = entity.Key;//机构和应用是一一对应的,所以不作区分
                    List<IOTEventTrustResult> results = entity.Value;

                    foreach(IOTEventTrustResult e in results)
                    {
                        Console.WriteLine("reader{0} report a event of {1} of reader{2}", Id, e.eventIdent, e.node);
                    }
                    if (this.orgMonitorMapping.ContainsKey(org)
                        && this.orgMonitorMapping[org].Count > 0)
                    {
                        byte[] buf = new byte[global.BufSize * results.Count];
                        MemoryStream ms = new MemoryStream(buf);
                        BinaryFormatter formatter = new BinaryFormatter();
                        formatter.Serialize(ms, results);
                        byte[] tmp = new byte[ms.Position];
                        Array.Copy(buf, tmp, ms.Position);
                        if (global.debug)
                            Console.WriteLine("READER{0} sends {1} reports.", Id, results.Count);

                        //发往每一个monitor节点
                        for (int j = 0; j < this.orgMonitorMapping[org].Count; j++)
                        {
                            int dst = this.orgMonitorMapping[org][j];
                            Packet pkg = new Packet(this, global.readers[dst], PacketType.EVENT_REPORT);
                            //pkg.TrustReport = new TrustReportField(org, data, bw.BaseStream.Position);
                            pkg.TrustReport = new TrustReportField(org, tmp, tmp.Length);
                            RoutePacket(pkg);
                            //SendPacketDirectly(scheduler.CurrentTime, pkg);
                        }
                    }
                    else
                    {
                        Console.WriteLine("Unable to find a monitor for org {0}, abort.", org);
                    }
                }
            }

            float time = scheduler.currentTime + global.checkPhenomemonTimeout;
            Event.AddEvent(new Event(time, EventType.CHK_RT_TIMEOUT, this, null));
            //Console.WriteLine("Reader{0} check routing done.", id);
        }