コード例 #1
0
ファイル: ChatServer.cs プロジェクト: AdamOstgaard/DSV-IPROG
        /// <summary>
        /// Starts accepting new connections.
        /// </summary>
        /// <param name="address">Listening interface default: 0.0.0.0 (all)</param>
        /// <param name="port">Listening port default: 2000</param>
        public new void StartAccept(string address = "0.0.0.0", int port = 2000)
        {
            base.StartAccept(address, port);

            // Update window title.
            ConsoleTitleBuilder.IP   = LocalAddress.ToString();
            ConsoleTitleBuilder.Port = port;
        }
コード例 #2
0
        public static bool IsLocalAddress(string Address)
        {
            if (Address.Equals("127.0.0.1"))
            {
                return(true);
            }

            var Host = Dns.GetHostEntry(Dns.GetHostName());

            foreach (var LocalAddress in Host.AddressList)
            {
                if (LocalAddress.AddressFamily == AddressFamily.InterNetwork && LocalAddress.ToString().Equals(Address))
                {
                    return(true);
                }
            }

            return(false);
        }
コード例 #3
0
        /// <summary>
        /// Determines whether the specified <see cref="T:System.Object"/> is equal to the current <see cref="T:System.Object"/>.
        /// </summary>
        /// <returns>
        /// true if the specified <see cref="T:System.Object"/> is equal to the current <see cref="T:System.Object"/>; otherwise, false.
        /// </returns>
        /// <param name="obj">The object to compare with the current object. </param><filterpriority>2</filterpriority>
        public override bool Equals(object obj)
        {
            if (obj == null)
            {
                return(false);
            }
            var passedObject = obj as TCPActivityLog;

            if (passedObject == null)
            {
                return(false);
            }
            if (passedObject.LocalAddress.ToString() == LocalAddress.ToString() &&
                passedObject.RemoteEndPoint.ToString() == RemoteEndPoint.ToString())
            {
                return(true);
            }
            else
            {
                return(false);
            }
        }
コード例 #4
0
        private void ServiceRetrieved(ServiceDescriptionDocument Scpd, IPEndPoint LocalEndPoint)
        {
            try
            {
                Dictionary <ushort, bool> TcpPortMapped = new Dictionary <ushort, bool>();
                Dictionary <ushort, bool> UdpPortMapped = new Dictionary <ushort, bool>();
                ushort PortMappingIndex;
                bool   TcpAlreadyRegistered = false;
                bool   UdpAlreadyRegistered = false;

                this.serviceWANIPConnectionV1 = new WANIPConnectionV1(Scpd);
                this.State = PeerToPeerNetworkState.RegisteringApplicationInGateway;

                this.serviceWANIPConnectionV1.GetExternalIPAddress(out string NewExternalIPAddress);
                this.externalAddress = IPAddress.Parse(NewExternalIPAddress);

                if (!IsPublicAddress(this.externalAddress))
                {
                    return;                         // TODO: Handle multiple layers of gateways.
                }
                PortMappingIndex = 0;

                try
                {
                    while (true)
                    {
                        this.serviceWANIPConnectionV1.GetGenericPortMappingEntry(PortMappingIndex, out string NewRemoteHost,
                                                                                 out ushort NewExternalPort, out string NewProtocol, out ushort NewInternalPort, out string NewInternalClient,
                                                                                 out bool NewEnabled, out string NewPortMappingDescription, out uint NewLeaseDuration);

                        if (NewPortMappingDescription == this.applicationName && NewInternalClient == LocalEndPoint.Address.ToString())
                        {
                            if (NewExternalPort == this.desiredExternalPort && this.desiredExternalPort != 0)
                            {
                                if (NewProtocol == "TCP")
                                {
                                    TcpAlreadyRegistered = true;
                                    PortMappingIndex++;
                                    continue;
                                }
                                else if (NewProtocol == "UDP")
                                {
                                    UdpAlreadyRegistered = true;
                                    PortMappingIndex++;
                                    continue;
                                }
                            }

                            this.serviceWANIPConnectionV1.DeletePortMapping(NewRemoteHost, NewExternalPort, NewProtocol);
                        }
                        else
                        {
                            switch (NewProtocol)
                            {
                            case "TCP":
                                TcpPortMapped[NewExternalPort] = true;
                                break;

                            case "UDP":
                                UdpPortMapped[NewExternalPort] = true;
                                break;
                            }

                            PortMappingIndex++;
                        }
                    }
                }
                catch (AggregateException ex)
                {
                    if (!(ex.InnerException is UPnPException))
                    {
                        throw;
                    }
                }
                catch (UPnPException)
                {
                    // No more entries.
                }

                this.localAddress = LocalEndPoint.Address;
                ushort LocalPort, ExternalPort;
                int    i;

                do
                {
                    this.tcpListener = new TcpListener(this.localAddress, this.desiredLocalPort);
                    this.tcpListener.Start(this.backlog);

                    i            = ((IPEndPoint)this.tcpListener.LocalEndpoint).Port;
                    LocalPort    = (ushort)(i);
                    ExternalPort = this.desiredExternalPort == 0 ? LocalPort : (ushort)this.desiredExternalPort;

                    if (i < 0 || i > ushort.MaxValue || TcpPortMapped.ContainsKey(ExternalPort) || UdpPortMapped.ContainsKey(ExternalPort))
                    {
                        this.tcpListener.Stop();
                        this.tcpListener = null;

                        throw new ArgumentException("Port already assigned to another application in the network.", nameof(ExternalPort));
                    }
                    else
                    {
                        try
                        {
                            this.udpClient = new UdpClient(this.tcpListener.LocalEndpoint.AddressFamily);
                            this.udpClient.Client.Bind((IPEndPoint)this.tcpListener.LocalEndpoint);
                        }
                        catch (Exception)
                        {
                            this.tcpListener.Stop();
                            this.tcpListener = null;
                        }
                    }
                }while (this.tcpListener == null);

                this.localEndpoint = new IPEndPoint(this.localAddress, LocalPort);

                if (!TcpAlreadyRegistered)
                {
                    this.serviceWANIPConnectionV1.AddPortMapping(string.Empty, ExternalPort,
                                                                 "TCP", LocalPort, LocalAddress.ToString(), true, this.applicationName, 0);
                }

                this.tcpMappingAdded = true;

                if (!UdpAlreadyRegistered)
                {
                    this.serviceWANIPConnectionV1.AddPortMapping(string.Empty, ExternalPort,
                                                                 "UDP", LocalPort, LocalAddress.ToString(), true, this.applicationName, 0);
                }

                this.udpMappingAdded = true;

                this.externalEndpoint = new IPEndPoint(this.externalAddress, ExternalPort);
                this.State            = PeerToPeerNetworkState.Ready;

                this.AcceptTcpClients();
                this.BeginReceiveUdp();
            }
            catch (Exception ex)
            {
                this.exception = ex;
                this.State     = PeerToPeerNetworkState.Error;
            }
        }
コード例 #5
0
        private void ServiceRetrieved(object Sender, ServiceDescriptionEventArgs e)
        {
            try
            {
                DeviceLocationEventArgs   e2            = (DeviceLocationEventArgs)e.State;
                Dictionary <ushort, bool> TcpPortMapped = new Dictionary <ushort, bool>();
                Dictionary <ushort, bool> UdpPortMapped = new Dictionary <ushort, bool>();
                ushort PortMappingIndex;

                this.serviceWANIPConnectionV1 = new WANIPConnectionV1(e.ServiceDescriptionDocument);
                this.State = PeerToPeerNetworkState.RegisteringApplicationInGateway;

                this.serviceWANIPConnectionV1.GetExternalIPAddress(out string NewExternalIPAddress);
                this.externalAddress = IPAddress.Parse(NewExternalIPAddress);

                PortMappingIndex = 0;

                try
                {
                    while (true)
                    {
                        this.serviceWANIPConnectionV1.GetGenericPortMappingEntry(PortMappingIndex, out string NewRemoteHost,
                                                                                 out ushort NewExternalPort, out string NewProtocol, out ushort NewInternalPort, out string NewInternalClient,
                                                                                 out bool NewEnabled, out string NewPortMappingDescription, out uint NewLeaseDuration);

                        if (NewPortMappingDescription == this.applicationName && NewInternalClient == e2.LocalEndPoint.Address.ToString())
                        {
                            this.serviceWANIPConnectionV1.DeletePortMapping(NewRemoteHost, NewExternalPort, NewProtocol);
                        }
                        else
                        {
                            switch (NewProtocol)
                            {
                            case "TCP":
                                TcpPortMapped[NewExternalPort] = true;
                                break;

                            case "UDP":
                                UdpPortMapped[NewExternalPort] = true;
                                break;
                            }

                            PortMappingIndex++;
                        }
                    }
                }
                catch (UPnPException)
                {
                    // No more entries.
                }

                this.localAddress = e2.LocalEndPoint.Address;
                ushort LocalPort;
                int    i;

                do
                {
                    this.tcpListener = new TcpListener(this.localAddress, this.desiredPort);
                    this.tcpListener.Start(this.backlog);

                    i         = ((IPEndPoint)this.tcpListener.LocalEndpoint).Port;
                    LocalPort = (ushort)(i);
                    if (i < 0 || i > ushort.MaxValue || TcpPortMapped.ContainsKey(LocalPort) || UdpPortMapped.ContainsKey(LocalPort))
                    {
                        this.tcpListener.Stop();
                        this.tcpListener = null;

                        if (this.desiredPort != 0)
                        {
                            throw new ArgumentException("Port already assigned to another application in the network.", "Port");
                        }
                    }
                    else
                    {
                        try
                        {
                            this.udpClient = new UdpClient(this.tcpListener.LocalEndpoint.AddressFamily);
                            this.udpClient.Client.Bind((IPEndPoint)this.tcpListener.LocalEndpoint);
                        }
                        catch (Exception)
                        {
                            this.tcpListener.Stop();
                            this.tcpListener = null;
                        }
                    }
                }while (this.tcpListener is null);

                this.localEndpoint = new IPEndPoint(this.localAddress, LocalPort);

                this.serviceWANIPConnectionV1.AddPortMapping(string.Empty, LocalPort, "TCP", LocalPort, LocalAddress.ToString(), true, this.applicationName, 0);
                this.tcpMappingAdded = true;

                this.serviceWANIPConnectionV1.AddPortMapping(string.Empty, LocalPort, "UDP", LocalPort, LocalAddress.ToString(), true, this.applicationName, 0);
                this.udpMappingAdded = true;

                this.externalEndpoint = new IPEndPoint(this.externalAddress, LocalPort);
                this.State            = PeerToPeerNetworkState.Ready;

                this.tcpListener.BeginAcceptTcpClient(this.EndAcceptTcpClient, null);
                this.udpClient.BeginReceive(this.EndReceiveUdp, null);
            }
            catch (Exception ex)
            {
                this.exception = ex;
                this.State     = PeerToPeerNetworkState.Error;
            }
        }
コード例 #6
0
        protected Host(string name, string ip, string extIp, int port = 0, bool clientMode = false) : base()
        {
            this.IsClientMode = clientMode;

            Global.NetManager.OnConnect   += OnConnect;
            Global.NetManager.OnReceive   += OnReceive;
            Global.NetManager.OnClose     += OnClose;
            Global.NetManager.OnException += OnExcept;
            Global.NetManager.OnHeartBeat += OnHeartBeat;

            //如果是客户端,则用本地连接做为id
            //如果是服务端,则从名称计算一个id, 方便路由查找
            if (!clientMode)
            {
                string _ip    = ip;
                string _extIp = extIp;
                int    _port  = port;

                if (ip == "auto")
                {
                    _ip = Basic.GetLocalIPv4(NetworkInterfaceType.Ethernet);
                }

                if (extIp == "auto")
                {
                    _extIp = Basic.GetLocalIPv4(NetworkInterfaceType.Ethernet);
                }

                if (port == 0)
                {
                    _port = Basic.GetAvailablePort(IPAddress.Parse(_ip));
                }

                this.LocalAddress    = new IPEndPoint(IPAddress.Parse(_ip), _port);
                this.ExternalAddress = new IPEndPoint(IPAddress.Parse(_extIp), port);

                string addr = LocalAddress.ToIPv4String();

                if (name == null)
                {
                    this.UniqueName = Basic.GenID64().ToString();
                }
                else
                {
                    this.UniqueName = name;
                }

                this.Id = Basic.GenID64FromName(this.UniqueName);
                this.RegisterGlobalManager(this);
                Global.NetManager.RegisterHost(this);
            }
            else
            {
                if (name == null)
                {
                    this.UniqueName = Basic.GenID64().ToString();
                }
                else
                {
                    this.UniqueName = name;
                }
                this.Id = Basic.GenID64FromName(this.UniqueName);

                Global.NetManager.RegisterHost(this);
            }

            if (!this.IsClientMode)
            {
                Log.Info(string.Format("{0}(ID:{1}) is running at {2} as ServerMode", this.UniqueName, this.Id, LocalAddress.ToString()));
            }
            else
            {
                Log.Info(string.Format("{0}(ID:{1}) is running as ClientMode", this.UniqueName, this.Id));
            }

            this.AddRepeatedTimer(3000, 10000, () =>
            {
                Global.NetManager.PrintPeerInfo("All peers:");

                foreach (var a in this.actorDic.Values)
                {
                    Log.Info("===========Actor info", a.Id, a.UniqueName);
                }

                Log.Info("End of Print");
            });
        }
        private static void NetworkUpdated(object Sender, EventArgs e)
        {
            IUPnPDevice[] Devices = ssdpClient.Devices;
            Dictionary <string, IUPnPService> Prev = new Dictionary <string, IUPnPService> ();

            lock (stillImageCameras)
            {
                foreach (KeyValuePair <string, IUPnPService> Pair in stillImageCameras)
                {
                    Prev [Pair.Key] = Pair.Value;
                }

                foreach (IUPnPDevice Device in Devices)
                {
                    foreach (IUPnPService Service in Device.Services)
                    {
                        if (Service.ServiceType == "urn:schemas-upnp-org:service:DigitalSecurityCameraStillImage:1")
                        {
                            Prev.Remove(Device.UDN);
                            if (!stillImageCameras.ContainsKey(Device.UDN))
                            {
                                stillImageCameras [Device.UDN] = Service;
                                Log.Information("Still image camera found.", EventLevel.Minor, Device.FriendlyName);

                                ParsedUri Location                 = Web.ParseUri(Device.Location);
                                string    DeviceAddress            = Location.Host;
                                System.Net.IPHostEntry DeviceEntry = System.Net.Dns.GetHostEntry(DeviceAddress);

                                string HostName = System.Net.Dns.GetHostName();
                                System.Net.IPHostEntry LocalEntry = System.Net.Dns.GetHostEntry(HostName);
                                string LocalIP = null;

                                foreach (System.Net.IPAddress LocalAddress in LocalEntry.AddressList)
                                {
                                    foreach (System.Net.IPAddress RemoteAddress in DeviceEntry.AddressList)
                                    {
                                        if (LocalAddress.AddressFamily == RemoteAddress.AddressFamily)
                                        {
                                            LocalIP = LocalAddress.ToString();
                                            break;
                                        }
                                    }

                                    if (LocalIP != null)
                                    {
                                        break;
                                    }
                                }

                                if (LocalIP != null)
                                {
                                    int    TimeoutSeconds = 5 * 60;
                                    string Callback       = "http://" + LocalIP + ":" + upnpServer.Port.ToString() + "/events/" + Device.UDN;
                                    string Sid            = Service.SubscribeToEvents(Callback, ref TimeoutSeconds);

                                    AddSubscription(TimeoutSeconds, new Subscription(Device.UDN, Sid, Service, LocalIP));
                                }
                            }
                        }
                    }
                }

                foreach (KeyValuePair <string, IUPnPService> Pair in Prev)
                {
                    Log.Information("Still image camera removed.", EventLevel.Minor, Pair.Value.Device.FriendlyName);
                    stillImageCameras.Remove(Pair.Value.Device.UDN);

                    foreach (KeyValuePair <DateTime, Subscription> Subscription in subscriptions)
                    {
                        if (Subscription.Value.UDN == Pair.Key)
                        {
                            subscriptions.Remove(Subscription.Key);
                            break;
                        }
                    }
                }
            }

            lock (stateVariables)
            {
                foreach (KeyValuePair <string, IUPnPService> Pair in Prev)
                {
                    stateVariables.Remove(Pair.Value.Device.UDN);
                }
            }
        }