Terraria.Netplay.closePort C# (CSharp) Method

        public static void closePort()
        {
        }

        public static void ServerLoop(object threadContext)
        {
            Netplay.ResetNetDiag();
            if (Main.rand == null)
            {
                Main.rand = new Random((int)DateTime.Now.Ticks);
            }
            if (WorldGen.genRand == null)
            {
                WorldGen.genRand = new Random((int)DateTime.Now.Ticks);
            }
            Main.myPlayer          = 255;
            Netplay.serverIP       = IPAddress.Any;
            Netplay.serverListenIP = Netplay.serverIP;
            Main.menuMode          = 14;
            Main.statusText        = "Starting server...";
            Main.netMode           = 2;
            Netplay.disconnect     = false;
            for (int i = 0; i < 256; i++)
            {
                Netplay.serverSock[i] = new ServerSock();
                Netplay.serverSock[i].Reset();
                Netplay.serverSock[i].whoAmI            = i;
                Netplay.serverSock[i].tcpClient         = new TcpClient();
                Netplay.serverSock[i].tcpClient.NoDelay = true;
                Netplay.serverSock[i].readBuffer        = new byte[1024];
                Netplay.serverSock[i].writeBuffer       = new byte[1024];
            }
            Netplay.tcpListener = new TcpListener(Netplay.serverListenIP, Netplay.serverPort);
            try
            {
                Netplay.tcpListener.Start();
            }
            catch (Exception ex)
            {
                Main.menuMode      = 15;
                Main.statusText    = ex.ToString();
                Netplay.disconnect = true;
            }
            if (!Netplay.disconnect)
            {
                ThreadPool.QueueUserWorkItem(new WaitCallback(Netplay.ListenForClients), 1);
                Main.statusText = "Server started";
            }
            if (Netplay.uPNP)
            {
                try
                {
                    Netplay.openPort();
                }
                catch
                {
                }
            }
            int num = 0;

            while (!Netplay.disconnect)
            {
                if (Netplay.stopListen)
                {
                    int num2 = -1;
                    for (int j = 0; j < Main.maxNetPlayers; j++)
                    {
                        if (!Netplay.serverSock[j].tcpClient.Connected)
                        {
                            num2 = j;
                            break;
                        }
                    }
                    if (num2 >= 0)
                    {
                        if (Main.ignoreErrors)
                        {
                            try
                            {
                                Netplay.tcpListener.Start();
                                Netplay.stopListen = false;
                                ThreadPool.QueueUserWorkItem(new WaitCallback(Netplay.ListenForClients), 1);
                                goto IL_219;
                            }
                            catch
                            {
                                goto IL_219;
                            }
                        }
                        Netplay.tcpListener.Start();
                        Netplay.stopListen = false;
                        ThreadPool.QueueUserWorkItem(new WaitCallback(Netplay.ListenForClients), 1);
                    }
                }
IL_219:
                int num3 = 0;
                for (int k = 0; k < 256; k++)
                {
                    if (NetMessage.buffer[k].checkBytes)
                    {
                        NetMessage.CheckBytes(k);
                    }
                    if (Netplay.serverSock[k].kill)
                    {
                        Netplay.serverSock[k].Reset();
                        NetMessage.syncPlayers();
                    }
                    else
                    {
                        if (Netplay.serverSock[k].tcpClient.Connected)
                        {
                            if (!Netplay.serverSock[k].active)
                            {
                                Netplay.serverSock[k].state = 0;
                            }
                            Netplay.serverSock[k].active = true;
                            num3++;
                            if (!Netplay.serverSock[k].locked)
                            {
                                try
                                {
                                    Netplay.serverSock[k].networkStream = Netplay.serverSock[k].tcpClient.GetStream();
                                    if (Netplay.serverSock[k].networkStream.DataAvailable)
                                    {
                                        Netplay.serverSock[k].locked = true;
                                        Netplay.serverSock[k].networkStream.BeginRead(Netplay.serverSock[k].readBuffer, 0, Netplay.serverSock[k].readBuffer.Length, new AsyncCallback(Netplay.serverSock[k].ServerReadCallBack), Netplay.serverSock[k].networkStream);
                                    }
                                }
                                catch
                                {
                                    Netplay.serverSock[k].kill = true;
                                }
                            }
                            if (Netplay.serverSock[k].statusMax > 0 && Netplay.serverSock[k].statusText2 != "")
                            {
                                if (Netplay.serverSock[k].statusCount >= Netplay.serverSock[k].statusMax)
                                {
                                    Netplay.serverSock[k].statusText = string.Concat(new object[]
                                    {
                                        "(",
                                        Netplay.serverSock[k].tcpClient.Client.RemoteEndPoint,
                                        ") ",
                                        Netplay.serverSock[k].name,
                                        " ",
                                        Netplay.serverSock[k].statusText2,
                                        ": Complete!"
                                    });
                                    Netplay.serverSock[k].statusText2 = "";
                                    Netplay.serverSock[k].statusMax   = 0;
                                    Netplay.serverSock[k].statusCount = 0;
                                }
                                else
                                {
                                    Netplay.serverSock[k].statusText = string.Concat(new object[]
                                    {
                                        "(",
                                        Netplay.serverSock[k].tcpClient.Client.RemoteEndPoint,
                                        ") ",
                                        Netplay.serverSock[k].name,
                                        " ",
                                        Netplay.serverSock[k].statusText2,
                                        ": ",
                                        (int)((float)Netplay.serverSock[k].statusCount / (float)Netplay.serverSock[k].statusMax * 100f),
                                        "%"
                                    });
                                }
                            }
                            else
                            {
                                if (Netplay.serverSock[k].state == 0)
                                {
                                    Netplay.serverSock[k].statusText = string.Concat(new object[]
                                    {
                                        "(",
                                        Netplay.serverSock[k].tcpClient.Client.RemoteEndPoint,
                                        ") ",
                                        Netplay.serverSock[k].name,
                                        " is connecting..."
                                    });
                                }
                                else
                                {
                                    if (Netplay.serverSock[k].state == 1)
                                    {
                                        Netplay.serverSock[k].statusText = string.Concat(new object[]
                                        {
                                            "(",
                                            Netplay.serverSock[k].tcpClient.Client.RemoteEndPoint,
                                            ") ",
                                            Netplay.serverSock[k].name,
                                            " is sending player data..."
                                        });
                                    }
                                    else
                                    {
                                        if (Netplay.serverSock[k].state == 2)
                                        {
                                            Netplay.serverSock[k].statusText = string.Concat(new object[]
                                            {
                                                "(",
                                                Netplay.serverSock[k].tcpClient.Client.RemoteEndPoint,
                                                ") ",
                                                Netplay.serverSock[k].name,
                                                " requested world information"
                                            });
                                        }
                                        else
                                        {
                                            if (Netplay.serverSock[k].state != 3 && Netplay.serverSock[k].state == 10)
                                            {
                                                Netplay.serverSock[k].statusText = string.Concat(new object[]
                                                {
                                                    "(",
                                                    Netplay.serverSock[k].tcpClient.Client.RemoteEndPoint,
                                                    ") ",
                                                    Netplay.serverSock[k].name,
                                                    " is playing"
                                                });
                                            }
                                        }
                                    }
                                }
                            }
                        }
                        else
                        {
                            if (Netplay.serverSock[k].active)
                            {
                                Netplay.serverSock[k].kill = true;
                            }
                            else
                            {
                                Netplay.serverSock[k].statusText2 = "";
                                if (k < 255)
                                {
                                    Main.player[k].active = false;
                                }
                            }
                        }
                    }
                }
                num++;
                if (num > 10)
                {
                    Thread.Sleep(1);
                    num = 0;
                }
                else
                {
                    Thread.Sleep(0);
                }
                if (!WorldGen.saveLock && !Main.dedServ)
                {
                    if (num3 == 0)
                    {
                        Main.statusText = "Waiting for clients...";
                    }
                    else
                    {
                        Main.statusText = num3 + " clients connected";
                    }
                }
                if (num3 == 0)
                {
                    Netplay.anyClients = false;
                }
                else
                {
                    Netplay.anyClients = true;
                }
                Netplay.ServerUp = true;
            }
            Netplay.tcpListener.Stop();
            try
            {
                Netplay.closePort();
            }
            catch
            {
            }
            for (int l = 0; l < 256; l++)
            {
                Netplay.serverSock[l].Reset();
            }
            if (Main.menuMode != 15)
            {
                Main.netMode  = 0;
                Main.menuMode = 10;
                WorldGen.saveWorld(false);
                while (WorldGen.saveLock)
                {
                }
                Main.menuMode = 0;
            }
            else
            {
                Main.netMode = 0;
            }
            Main.myPlayer = 0;
        }