Пример #1
0
        private bool CanClose()
        {
            while (MainForm.Instance.LocalAddress == null)
            {
                ;
            }
            if (MainForm.Instance.LocalAddress.ToString() == txtServer.Text)
            {
                txtServer.Text = "127.0.0.1";
            }
            Socket s = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);

            try
            {
                ConnectionHandler.ConnectTo(s, txtServer.Text, int.Parse(tempPortTxt.Text));
            }
            catch
            {
                MessageBox.Show("Unable to connect to the server.");
                return(false);
            }
            ModUpdaterNetworkStream str = new ModUpdaterNetworkStream(s);

            Packet.Send(new HandshakePacket {
                Type = HandshakePacket.SessionType.ServerList
            }, str);
            Packet           p  = Packet.ReadPacket(str); //The server should only return a ServerList, right?
            ServerListPacket sp = null;

            if (!(p is ServerListPacket)) //But just in case...
            {
                Packet.Send(new DisconnectPacket(), str);
                ConnectTo = new Server {
                    Address = txtServer.Text, Port = int.Parse(tempPortTxt.Text), Name = "Not Yet Defined."
                };
                str.Close();
                s.Disconnect(false);
                return(true);
            }
            sp = (ServerListPacket)p;
            List <Server> servers = new List <Server>();

            for (int i = 0; i < sp.Servers.Length; i++)
            {
                Server srv = new Server {
                    Address = sp.Locations[i], Name = sp.Servers[i], Port = sp.Ports[i]
                };
                servers.Add(srv);
            }
            SelectServerDialog dial = new SelectServerDialog(servers.ToArray());

            dial.ShowDialog();
            if (dial.DialogResult != System.Windows.Forms.DialogResult.OK)
            {
                return(false);
            }
            ConnectTo = dial.SelectedServer;
            return(true);
        }
Пример #2
0
 public void Start()
 {
     Address = IPAddress.Loopback;
     try
     {
         string     direction = "";
         WebRequest request   = WebRequest.Create("http://checkip.dyndns.org/");
         using (WebResponse response = request.GetResponse())
         {
             using (StreamReader stream = new StreamReader(response.GetResponseStream()))
             {
                 direction = stream.ReadToEnd();
             }
         }
         int first = direction.IndexOf("Address: ") + 9;
         int last  = direction.LastIndexOf("</body>");
         direction = direction.Substring(first, last - first);
         Address   = IPAddress.Parse(direction);
     }
     catch (Exception e) { MinecraftModUpdater.Logger.Log(e); }
     MinecraftModUpdater.Logger.Log(Logger.Level.Info, "Server IP Address is: " + Address.ToString());
     TcpServer.Start();
     Online = true;
     TaskManager.AddAsyncTask(delegate { SimpleConsoleInputHandler(); });
     TaskManager.AddAsyncTask(delegate
     {
         if (Config.MasterServer != "")
         {
             Socket s  = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
             string ip = Config.MasterServer.Split(':')[0].Trim();
             int port  = int.Parse(Config.MasterServer.Split(':')[1].Trim());
             ConnectionHandler.ConnectTo(s, ip, port);
             PacketHandler ph = new PacketHandler(s);
             ph.Start();
             Thread.Sleep(1000);
             Packet.Send(new HandshakePacket {
                 Name = Config.ServerName, Port = Config.Port, Address = Address.ToString(), Type = HandshakePacket.SessionType.Server
             }, ph.Stream);
         }
     }, ThreadRole.Delayed, 1000);
     TaskManager.AddAsyncTask(delegate
     {
         string ver;
         bool api;
         if (Extras.CheckForUpdate("server", Program.Version, out ver, out api))
         {
             if (!api)
             {
                 MinecraftModUpdater.Logger.Log(Logger.Level.Info, "Version {0} is now available for Minecraft Mod Updater.", ver);
             }
             else
             {
                 MinecraftModUpdater.Logger.Log(Logger.Level.Info, "Version {0} is now available for Minecraft Mod Updater API.", ver);
             }
         }
     });
     Receive();
 }
Пример #3
0
        protected void ConnectionHandlerTest(Node node0, Node node1,
                                             ConnectionHandler ch0, ConnectionHandler ch1)
        {
            var          mdh0 = new MockDataHandler();
            var          mdh1 = new MockDataHandler();
            MemBlock     zero = MemBlock.Reference(new byte[] { 0 });
            EventHandler cb   = delegate(object o, EventArgs ea) {
                Assert.AreEqual(o, zero, "Zero");
            };

            mdh0.HandleDataCallback += cb;
            mdh1.HandleDataCallback += cb;
            ch0.Subscribe(mdh0, null);
            ch1.Subscribe(mdh1, null);

            Assert.AreEqual(mdh0.Count, 0, "MDH0 0");
            Assert.AreEqual(mdh1.Count, 0, "MDH1 0");
            ch0.ConnectTo(node1.Address);
            Assert.IsTrue(AreConnected(node0, node1), "ConnectionHandler ConnectTo");
            SimpleTimer.RunSteps(fifteen_mins * 2, false);
            Assert.IsFalse(Simulator.AreConnected(node0, node1));
            ch0.Send(node1.Address, zero);
            SimpleTimer.RunSteps(fifteen_mins / 60, false);
            Assert.AreEqual(mdh0.Count, 0, "MDH0 1");
            Assert.AreEqual(mdh1.Count, 0, "MDH1 1");
            Assert.IsTrue(AreConnected(node0, node1), "ConnectionHandler ConnectTo0");
            SimpleTimer.RunSteps(fifteen_mins / 3, false);
            ch0.Send(node1.Address, zero);
            SimpleTimer.RunSteps(fifteen_mins / 60, false);
            Assert.AreEqual(mdh0.Count, 0, "MDH0 2");
            Assert.AreEqual(mdh1.Count, 1, "MDH1 2");
            Assert.IsTrue(Simulator.AreConnected(node0, node1), "Continuous 0");
            SimpleTimer.RunSteps(fifteen_mins / 3, false);
            ch0.Send(node1.Address, zero);
            SimpleTimer.RunSteps(fifteen_mins / 60, false);
            Assert.AreEqual(mdh0.Count, 0, "MDH0 3");
            Assert.AreEqual(mdh1.Count, 2, "MDH1 3");
            Assert.IsTrue(Simulator.AreConnected(node0, node1), "Continuous 1");
            SimpleTimer.RunSteps(fifteen_mins / 3, false);
            ch0.Send(node1.Address, zero);
            SimpleTimer.RunSteps(fifteen_mins / 60, false);
            Assert.AreEqual(mdh0.Count, 0, "MDH0 4");
            Assert.AreEqual(mdh1.Count, 3, "MDH1 4");
            Assert.IsTrue(Simulator.AreConnected(node0, node1), "Continuous 2");
            SimpleTimer.RunSteps(fifteen_mins / 3, false);
            ch1.Send(node0.Address, zero);
            SimpleTimer.RunSteps(fifteen_mins / 60, false);
            Assert.AreEqual(mdh0.Count, 1, "MDH0 5");
            Assert.AreEqual(mdh1.Count, 3, "MDH1 5");
            Assert.IsTrue(Simulator.AreConnected(node0, node1), "Continuous 3");
            SimpleTimer.RunSteps(fifteen_mins * 2, false);
            Assert.IsFalse(Simulator.AreConnected(node0, node1), "Dead");
            Assert.AreEqual(mdh0.Count, 1, "MDH0 6");
            Assert.AreEqual(mdh1.Count, 3, "MDH1 6");
        }
Пример #4
0
        /// <summary>Parses Arp Packets and writes to the Ethernet the translation.</summary>
        /// <remarks>IpopRouter makes nodes think they are in the same Layer 2 network
        /// so that two nodes in the same network can communicate directly with each
        /// other.  IpopRouter masquerades for those that are not local.</remarks>
        /// <param name="ep">The Ethernet packet to translate</param>
        protected virtual void HandleArp(MemBlock packet)
        {
            // Can't do anything until we have network connectivity!
            if (_dhcp_server == null)
            {
                return;
            }

            ArpPacket ap = new ArpPacket(packet);

            // Not in our range!
            if (!_dhcp_server.IPInRange((byte[])ap.TargetProtoAddress) &&
                !_dhcp_server.IPInRange((byte[])ap.SenderProtoAddress))
            {
                ProtocolLog.WriteIf(IpopLog.Arp, String.Format("Bad Arp request from {0} for {1}",
                                                               Utils.MemBlockToString(ap.SenderProtoAddress, '.'),
                                                               Utils.MemBlockToString(ap.TargetProtoAddress, '.')));
                return;
            }


            if (ap.Operation == ArpPacket.Operations.Reply)
            {
                // This would be a unsolicited Arp
                if (ap.TargetProtoAddress.Equals(IPPacket.BroadcastAddress) &&
                    !ap.SenderHWAddress.Equals(EthernetPacket.BroadcastAddress))
                {
                    HandleNewStaticIP(ap.SenderHWAddress, ap.SenderProtoAddress);
                }
                return;
            }

            // We only support request operation hereafter
            if (ap.Operation != ArpPacket.Operations.Request)
            {
                return;
            }

            // Must return nothing if the node is checking availability of IPs
            // Or he is looking himself up.
            if (_ip_to_ether.ContainsKey(ap.TargetProtoAddress) ||
                ap.SenderProtoAddress.Equals(IPPacket.BroadcastAddress) ||
                ap.SenderProtoAddress.Equals(IPPacket.ZeroAddress))
            {
                return;
            }

            if (!ap.TargetProtoAddress.Equals(MemBlock.Reference(_dhcp_server.ServerIP)))
            {
                // Do not return messages if there is no connection to the remote address
                Address baddr = null;
                try {
                    baddr = _address_resolver.Resolve(ap.TargetProtoAddress);
                } catch (AddressResolutionException ex) {
                    if (ex.Issue != AddressResolutionException.Issues.DoesNotExist)
                    {
                        throw;
                    }
                    // Otherwise nothing to do, mapping doesn't exist...
                }

                if (AppNode.Node.Address.Equals(baddr) || baddr == null)
                {
                    ProtocolLog.WriteIf(IpopLog.Arp, String.Format("No mapping for: {0}",
                                                                   Utils.MemBlockToString(ap.TargetProtoAddress, '.')));
                    return;
                }

                if (!_conn_handler.ContainsAddress(baddr))
                {
                    ProtocolLog.WriteIf(IpopLog.Arp, String.Format(
                                            "No connection to {0} for {1}", baddr,
                                            Utils.MemBlockToString(ap.TargetProtoAddress, '.')));
                    _conn_handler.ConnectTo(baddr);
                    return;
                }
            }

            ProtocolLog.WriteIf(IpopLog.Arp, String.Format("Sending Arp response for: {0}",
                                                           Utils.MemBlockToString(ap.TargetProtoAddress, '.')));

            ArpPacket response = ap.Respond(EthernetPacket.UnicastAddress);

            EthernetPacket res_ep = new EthernetPacket(ap.SenderHWAddress,
                                                       EthernetPacket.UnicastAddress, EthernetPacket.Types.Arp,
                                                       response.ICPacket);

            Ethernet.Send(res_ep.ICPacket);
        }
Пример #5
0
        private void Connect()
        {
            Socket s = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);

            socket = s;
            Debug.Assert("Creating Objects.");
            try
            {
                string srv  = Server.Address;
                int    port = Server.Port;
                if (srv == LocalAddress.ToString())
                {
                    srv = "127.0.0.1";
                }
                ConnectionHandler.ConnectTo(s, srv, port);
                SplashScreen.GetScreen().Progress.PerformStep();
            }
            catch (SocketException ex)
            {
                Debug.Assert(ex);
                MessageBox.Show("There was an error while connecting to the update server.  I will now self destruct.");
                Thread.Sleep(1000);
                SplashScreen.UpdateStatusTextWithStatus("Boom!!!", TypeOfMessage.Error);
                Thread.Sleep(5000);
                SplashScreen.UpdateStatusTextWithStatus("That was a joke, by the way.", TypeOfMessage.Warning);
                Thread.Sleep(1000);
                SplashScreen.CloseSplashScreen();
                Thread.Sleep(3000);
                Close();
                return;
            }
            catch (Exception ex)
            {
                ExceptionHandler.HandleException(ex, this);
            }
            modImages            = new ImageList();
            modImages.ImageSize  = new Size(230, 180);
            modImages.ColorDepth = ColorDepth.Depth32Bit;
            SplashScreen.GetScreen().Progress.PerformStep();
            TaskManager.AddAsyncTask(delegate
            {
                while (s.Connected)
                {
                    ;
                }
                if (!warnDisconnect)
                {
                    return;
                }
                if (SplashScreen.GetScreen() != null)
                {
                    SplashScreen.UpdateStatusTextWithStatus("Lost connection to server.", TypeOfMessage.Error);
                    Thread.Sleep(5000);
                }
                else
                {
                    MessageBox.Show("Lost connection to server.");
                }
                Program.RunOnUIThread(delegate
                {
                    Close();
                });
            });
            MinecraftModUpdater.Logger.Log(Logger.Level.Info, "Logging started.");
            ph = new PacketHandler(s);
            ph.Start();
            for (int i = 0; i < 10; i++)
            {
                TaskManager.SpawnTaskThread(ThreadRole.Standard);
            }
            TaskManager.AddAsyncTask(delegate
            {
                ph.RegisterPacketHandler(PacketId.Metadata, ph_Metadata);
                ph.RegisterPacketHandler(PacketId.ModInfo, ph_ModInfo);
                ph.RegisterPacketHandler(PacketId.ModList, ph_ModList);
                ph.RegisterPacketHandler(PacketId.AllDone, ph_AllDone);
                ph.RegisterPacketHandler(PacketId.NextDownload, ph_NextDownload);
                ph.RegisterPacketHandler(PacketId.FilePart, ph_FilePart);
                ph.RegisterPacketHandler(PacketId.Image, ph_Image);
                Debug.Assert("Packet Handlers registered.");
                SplashScreen.GetScreen().Progress.PerformStep();
            });
            if ((new LoginForm()).ShowDialog() != DialogResult.OK)
            {
                MinecraftModUpdater.Logger.Log(Logger.Level.Error, "Login failed");
                SplashScreen.UpdateStatusTextWithStatus("Your login failed.", TypeOfMessage.Error);
                Thread.Sleep(2000);
                SplashScreen.CloseSplashScreen();
                Thread.Sleep(400);
                Close();
                return;
            }
            Thread.Sleep(1000);
            SplashScreen.UpdateStatusText("Connected to server.  Retreving Mod List.");
            Packet.Send(new HandshakePacket {
                Username = ProgramOptions.Username
            }, ph.Stream);
            Debug.Assert("Sent Handshake Packet.");
            Thread.Sleep(100);
            for (int i = 0; i < 5; i++)
            {
                SplashScreen.GetScreen().Progress.Value += 1;
                Thread.Sleep(20);
            }
        }