fix logic, ui

SocketStudy/ClientForm/MainForm.Designer.cs

@@ -29,18 +29,25 @@ namespace ClientForm
 		/// </summary>
 		private void InitializeComponent()
 		{
+			System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(MainForm));
 			this.logConsole = new System.Windows.Forms.TextBox();
+			this.mainTablePanel = new System.Windows.Forms.TableLayoutPanel();
+			this.tableLayoutPanel1 = new System.Windows.Forms.TableLayoutPanel();
+			this.panel1 = new System.Windows.Forms.Panel();
 			this.stringButton = new System.Windows.Forms.Button();
+			this.fileButton = new System.Windows.Forms.Button();
 			this.objectButton = new System.Windows.Forms.Button();
 			this.imageButton = new System.Windows.Forms.Button();
-			this.fileButton = new System.Windows.Forms.Button();
+			this.tableLayoutPanel2 = new System.Windows.Forms.TableLayoutPanel();
-			this.mainTablePanel = new System.Windows.Forms.TableLayoutPanel();
+			this.startButton = new System.Windows.Forms.Button();
-			this.panel1 = new System.Windows.Forms.Panel();
 			this.statusStrip = new System.Windows.Forms.StatusStrip();
 			this.toolStripStatusLabel1 = new System.Windows.Forms.ToolStripStatusLabel();
 			this.heartBeatStatus = new System.Windows.Forms.ToolStripStatusLabel();
+			this.addressTextBox = new System.Windows.Forms.TextBox();
 			this.mainTablePanel.SuspendLayout();
+			this.tableLayoutPanel1.SuspendLayout();
 			this.panel1.SuspendLayout();
+			this.tableLayoutPanel2.SuspendLayout();
 			this.statusStrip.SuspendLayout();
 			this.SuspendLayout();
 			// 
@@ -49,17 +56,61 @@ namespace ClientForm
 			this.logConsole.BackColor = System.Drawing.Color.Black;
 			this.logConsole.Dock = System.Windows.Forms.DockStyle.Fill;
 			this.logConsole.ForeColor = System.Drawing.Color.SpringGreen;
-			this.logConsole.Location = new System.Drawing.Point(153, 4);
+			this.logConsole.Location = new System.Drawing.Point(3, 64);
 			this.logConsole.Margin = new System.Windows.Forms.Padding(3, 4, 3, 4);
 			this.logConsole.Multiline = true;
 			this.logConsole.Name = "logConsole";
 			this.logConsole.ScrollBars = System.Windows.Forms.ScrollBars.Both;
-			this.logConsole.Size = new System.Drawing.Size(572, 354);
+			this.logConsole.Size = new System.Drawing.Size(578, 393);
 			this.logConsole.TabIndex = 1;
 			// 
+			// mainTablePanel
+			// 
+			this.mainTablePanel.ColumnCount = 1;
+			this.mainTablePanel.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent, 100F));
+			this.mainTablePanel.Controls.Add(this.logConsole, 0, 1);
+			this.mainTablePanel.Controls.Add(this.tableLayoutPanel1, 0, 0);
+			this.mainTablePanel.Dock = System.Windows.Forms.DockStyle.Fill;
+			this.mainTablePanel.Location = new System.Drawing.Point(0, 0);
+			this.mainTablePanel.Name = "mainTablePanel";
+			this.mainTablePanel.RowCount = 2;
+			this.mainTablePanel.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Absolute, 60F));
+			this.mainTablePanel.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Percent, 100F));
+			this.mainTablePanel.Size = new System.Drawing.Size(584, 461);
+			this.mainTablePanel.TabIndex = 3;
+			// 
+			// tableLayoutPanel1
+			// 
+			this.tableLayoutPanel1.ColumnCount = 2;
+			this.tableLayoutPanel1.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Absolute, 200F));
+			this.tableLayoutPanel1.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent, 100F));
+			this.tableLayoutPanel1.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Absolute, 20F));
+			this.tableLayoutPanel1.Controls.Add(this.panel1, 1, 0);
+			this.tableLayoutPanel1.Controls.Add(this.tableLayoutPanel2, 0, 0);
+			this.tableLayoutPanel1.Dock = System.Windows.Forms.DockStyle.Fill;
+			this.tableLayoutPanel1.Location = new System.Drawing.Point(0, 0);
+			this.tableLayoutPanel1.Margin = new System.Windows.Forms.Padding(0);
+			this.tableLayoutPanel1.Name = "tableLayoutPanel1";
+			this.tableLayoutPanel1.RowCount = 1;
+			this.tableLayoutPanel1.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Percent, 100F));
+			this.tableLayoutPanel1.Size = new System.Drawing.Size(584, 60);
+			this.tableLayoutPanel1.TabIndex = 2;
+			// 
+			// panel1
+			// 
+			this.panel1.Controls.Add(this.stringButton);
+			this.panel1.Controls.Add(this.fileButton);
+			this.panel1.Controls.Add(this.objectButton);
+			this.panel1.Controls.Add(this.imageButton);
+			this.panel1.Dock = System.Windows.Forms.DockStyle.Fill;
+			this.panel1.Location = new System.Drawing.Point(203, 3);
+			this.panel1.Name = "panel1";
+			this.panel1.Size = new System.Drawing.Size(378, 54);
+			this.panel1.TabIndex = 4;
+			// 
 			// stringButton
 			// 
-			this.stringButton.Location = new System.Drawing.Point(32, 22);
+			this.stringButton.Location = new System.Drawing.Point(29, 15);
 			this.stringButton.Name = "stringButton";
 			this.stringButton.Size = new System.Drawing.Size(75, 23);
 			this.stringButton.TabIndex = 2;
@@ -67,9 +118,19 @@ namespace ClientForm
 			this.stringButton.UseVisualStyleBackColor = true;
 			this.stringButton.Click += new System.EventHandler(this.stringButton_Click);
 			// 
+			// fileButton
+			// 
+			this.fileButton.Location = new System.Drawing.Point(272, 15);
+			this.fileButton.Name = "fileButton";
+			this.fileButton.Size = new System.Drawing.Size(75, 23);
+			this.fileButton.TabIndex = 2;
+			this.fileButton.Text = "file";
+			this.fileButton.UseVisualStyleBackColor = true;
+			this.fileButton.Click += new System.EventHandler(this.fileButton_Click);
+			// 
 			// objectButton
 			// 
-			this.objectButton.Location = new System.Drawing.Point(32, 69);
+			this.objectButton.Location = new System.Drawing.Point(110, 15);
 			this.objectButton.Name = "objectButton";
 			this.objectButton.Size = new System.Drawing.Size(75, 23);
 			this.objectButton.TabIndex = 2;
@@ -79,7 +140,7 @@ namespace ClientForm
 			// 
 			// imageButton
 			// 
-			this.imageButton.Location = new System.Drawing.Point(32, 111);
+			this.imageButton.Location = new System.Drawing.Point(191, 15);
 			this.imageButton.Name = "imageButton";
 			this.imageButton.Size = new System.Drawing.Size(75, 23);
 			this.imageButton.TabIndex = 2;
@@ -87,42 +148,31 @@ namespace ClientForm
 			this.imageButton.UseVisualStyleBackColor = true;
 			this.imageButton.Click += new System.EventHandler(this.imageButton_Click);
 			// 
-			// fileButton
+			// tableLayoutPanel2
-			// 
+			// 
-			this.fileButton.Location = new System.Drawing.Point(32, 152);
+			this.tableLayoutPanel2.ColumnCount = 1;
-			this.fileButton.Name = "fileButton";
+			this.tableLayoutPanel2.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent, 50F));
-			this.fileButton.Size = new System.Drawing.Size(75, 23);
+			this.tableLayoutPanel2.Controls.Add(this.startButton, 0, 1);
-			this.fileButton.TabIndex = 2;
+			this.tableLayoutPanel2.Controls.Add(this.addressTextBox, 0, 0);
-			this.fileButton.Text = "file";
+			this.tableLayoutPanel2.Dock = System.Windows.Forms.DockStyle.Fill;
-			this.fileButton.UseVisualStyleBackColor = true;
+			this.tableLayoutPanel2.Location = new System.Drawing.Point(3, 3);
-			this.fileButton.Click += new System.EventHandler(this.fileButton_Click);
+			this.tableLayoutPanel2.Name = "tableLayoutPanel2";
-			// 
+			this.tableLayoutPanel2.RowCount = 2;
-			// mainTablePanel
+			this.tableLayoutPanel2.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Percent, 50F));
-			// 
+			this.tableLayoutPanel2.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Percent, 50F));
-			this.mainTablePanel.ColumnCount = 2;
+			this.tableLayoutPanel2.Size = new System.Drawing.Size(194, 54);
-			this.mainTablePanel.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Absolute, 150F));
+			this.tableLayoutPanel2.TabIndex = 5;
-			this.mainTablePanel.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent, 100F));
+			// 
-			this.mainTablePanel.Controls.Add(this.logConsole, 1, 0);
+			// startButton
-			this.mainTablePanel.Controls.Add(this.panel1, 0, 0);
+			// 
-			this.mainTablePanel.Dock = System.Windows.Forms.DockStyle.Fill;
+			this.startButton.Dock = System.Windows.Forms.DockStyle.Fill;
-			this.mainTablePanel.Location = new System.Drawing.Point(0, 0);
+			this.startButton.Location = new System.Drawing.Point(3, 30);
-			this.mainTablePanel.Name = "mainTablePanel";
+			this.startButton.Name = "startButton";
-			this.mainTablePanel.RowCount = 1;
+			this.startButton.Size = new System.Drawing.Size(188, 21);
-			this.mainTablePanel.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Percent, 100F));
+			this.startButton.TabIndex = 0;
-			this.mainTablePanel.Size = new System.Drawing.Size(728, 362);
+			this.startButton.Text = "Connect";
-			this.mainTablePanel.TabIndex = 3;
+			this.startButton.UseVisualStyleBackColor = true;
-			// 
+			this.startButton.Click += new System.EventHandler(this.startButton_Click);
-			// panel1
-			// 
-			this.panel1.Controls.Add(this.stringButton);
-			this.panel1.Controls.Add(this.fileButton);
-			this.panel1.Controls.Add(this.objectButton);
-			this.panel1.Controls.Add(this.imageButton);
-			this.panel1.Dock = System.Windows.Forms.DockStyle.Fill;
-			this.panel1.Location = new System.Drawing.Point(3, 3);
-			this.panel1.Name = "panel1";
-			this.panel1.Size = new System.Drawing.Size(144, 356);
-			this.panel1.TabIndex = 2;
 			// 
 			// statusStrip
 			// 
@@ -130,35 +180,47 @@ namespace ClientForm
 			this.statusStrip.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
             this.toolStripStatusLabel1,
             this.heartBeatStatus});
-			this.statusStrip.Location = new System.Drawing.Point(0, 344);
+			this.statusStrip.Location = new System.Drawing.Point(0, 439);
 			this.statusStrip.Name = "statusStrip";
-			this.statusStrip.Size = new System.Drawing.Size(728, 18);
+			this.statusStrip.Size = new System.Drawing.Size(584, 22);
 			this.statusStrip.TabIndex = 4;
 			this.statusStrip.Text = "statusStrip1";
 			// 
 			// toolStripStatusLabel1
 			// 
 			this.toolStripStatusLabel1.Name = "toolStripStatusLabel1";
-			this.toolStripStatusLabel1.Size = new System.Drawing.Size(0, 13);
+			this.toolStripStatusLabel1.Size = new System.Drawing.Size(0, 17);
 			// 
 			// heartBeatStatus
 			// 
 			this.heartBeatStatus.Name = "heartBeatStatus";
-			this.heartBeatStatus.Size = new System.Drawing.Size(0, 13);
+			this.heartBeatStatus.Size = new System.Drawing.Size(0, 17);
+			// 
+			// addressTextBox
+			// 
+			this.addressTextBox.Dock = System.Windows.Forms.DockStyle.Fill;
+			this.addressTextBox.Location = new System.Drawing.Point(3, 3);
+			this.addressTextBox.Name = "addressTextBox";
+			this.addressTextBox.Size = new System.Drawing.Size(188, 21);
+			this.addressTextBox.TabIndex = 1;
+			this.addressTextBox.TextAlign = System.Windows.Forms.HorizontalAlignment.Center;
 			// 
 			// MainForm
 			// 
 			this.AutoScaleDimensions = new System.Drawing.SizeF(7F, 12F);
 			this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
-			this.ClientSize = new System.Drawing.Size(910, 452);
+			this.ClientSize = new System.Drawing.Size(584, 461);
 			this.Controls.Add(this.statusStrip);
 			this.Controls.Add(this.mainTablePanel);
-			this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedToolWindow;
+			this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
 			this.Name = "MainForm";
 			this.Text = "Client";
 			this.mainTablePanel.ResumeLayout(false);
 			this.mainTablePanel.PerformLayout();
+			this.tableLayoutPanel1.ResumeLayout(false);
 			this.panel1.ResumeLayout(false);
+			this.tableLayoutPanel2.ResumeLayout(false);
+			this.tableLayoutPanel2.PerformLayout();
 			this.statusStrip.ResumeLayout(false);
 			this.statusStrip.PerformLayout();
 			this.ResumeLayout(false);
@@ -169,15 +231,19 @@ namespace ClientForm
 		#endregion
 
 		private System.Windows.Forms.TextBox logConsole;
-		private System.Windows.Forms.Button stringButton;
-		private System.Windows.Forms.Button objectButton;
-		private System.Windows.Forms.Button imageButton;
-		private System.Windows.Forms.Button fileButton;
 		private System.Windows.Forms.TableLayoutPanel mainTablePanel;
-		private System.Windows.Forms.Panel panel1;
 		private System.Windows.Forms.StatusStrip statusStrip;
 		private System.Windows.Forms.ToolStripStatusLabel toolStripStatusLabel1;
 		private System.Windows.Forms.ToolStripStatusLabel heartBeatStatus;
+		private System.Windows.Forms.TableLayoutPanel tableLayoutPanel1;
+		private System.Windows.Forms.Panel panel1;
+		private System.Windows.Forms.Button stringButton;
+		private System.Windows.Forms.Button fileButton;
+		private System.Windows.Forms.Button objectButton;
+		private System.Windows.Forms.Button imageButton;
+		private System.Windows.Forms.TableLayoutPanel tableLayoutPanel2;
+		private System.Windows.Forms.Button startButton;
+		private System.Windows.Forms.TextBox addressTextBox;
 	}
 }
 

SocketStudy/ClientForm/MainForm.cs

@@ -8,6 +8,7 @@ using System.Data;
 using System.Diagnostics;
 using System.Drawing;
 using System.Linq;
+using System.Net;
 using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
@@ -20,7 +21,8 @@ namespace ClientForm
 
 	public partial class MainForm : Form
 	{
-		private readonly string SERVER_IP = "124.56.13.173";//"10.233.96.172", "124.56.13.173";
+		private readonly int PORT = 37777;
+		private readonly int HB_PORT = 37778;
 
 		private PClient heartBeatClient;
 		private PClient client;
@@ -34,31 +36,38 @@ namespace ClientForm
 		public MainForm()
 		{
 			InitializeComponent();
-			InitInstance();
 		}
 
-		private void InitInstance()
+		private void ConnectToServer(string address)
 		{
+			IPAddress ipAddress = PUtil.ValidateAddress(address);
+			if (ipAddress == null)
+				return;
+
 			string clientId = PUtil.GetRandomString(5);
 			string heartBeatClientId = clientId + "_hb";
 
 			logHandler = new LogHandler(WriteLog);
 			formHandler = new FormHandler(ShowForm);
 
-			heartBeatClient = new PClient(SERVER_IP, 37778, heartBeatClientId);
+			heartBeatClient = new PClient(ipAddress, HB_PORT, heartBeatClientId);
 			heartBeatClient.OnConnected += CommonClient_OnConnected;
 			heartBeatClient.OnSend += HeartBeatClient_OnSend;
 			heartBeatClient.OnReceived += HeartBeatClient_OnReceived;
 			heartBeatClient.OnErrorCatched += CommonClient_OnErrorCatched;
 			heartBeatClient.OnDisconnected += CommonClient_OnDisconnected;
 
-			client = new PClient(SERVER_IP, 37777, clientId);
+			client = new PClient(ipAddress, PORT, clientId);
 			client.OnConnected += CommonClient_OnConnected;
 			client.OnSend += Client_OnSend;
 			client.OnReceived += Client_OnReceived;
 			client.OnErrorCatched += CommonClient_OnErrorCatched;
 			client.OnDisconnected += CommonClient_OnDisconnected;
 
+			heartBeatClient.Connect();
+			UpdateHeartBeat();
+			client.Connect();
+
 			heartBeatTimer = new System.Timers.Timer();
 			heartBeatTimer.Interval = 1000 * 10;
 			heartBeatTimer.Elapsed += HeartBeatTimer_Elapsed;
@@ -70,22 +79,33 @@ namespace ClientForm
 			GarbageTimer.Start();
 		}
 
+		private void DisconnectFromServer()
+		{
+			heartBeatClient.Close();
+			heartBeatClient.Dispose();
+			client.Close();
+			client.Dispose();
+
+			heartBeatTimer.Stop();
+			GarbageTimer.Stop();
+		}
+
 		private void Client_OnSend(PClient sender, PDataType dataType, byte[] data)
 		{
-			string log = $"Send data: target: {sender.EndPoint.ToString()}, type: {dataType.ToString()}, size: {data.Length.ToString("#,###")}";
+			string log = $"Send data: target: {sender.EndPoint.ToString()}, type: {dataType.ToString()}, size: {data.Length.ToString("#,###")}bytes";
-			logHandler(client, log);
+			logHandler(sender, log);
 		}
 
 		private void CommonClient_OnDisconnected(PClient sender)
 		{
 			string log = $"Disconnected: {sender.EndPoint.ToString()}";
-			logHandler(client, log);
+			logHandler(sender, log);
 		}
 
 		private void CommonClient_OnErrorCatched(PClient sender, string msg)
 		{
 			string log = $"Error: {msg}";
-			logHandler(client, log);
+			logHandler(sender, log);
 		}
 
 		private void HeartBeatClient_OnSend(PClient sender, PDataType dataType, byte[] data)
@@ -96,7 +116,7 @@ namespace ClientForm
 		private void CommonClient_OnConnected(PClient sender)
 		{
 			string log = $"Connected: {sender.EndPoint.ToString()}";
-			logHandler(client, log);
+			logHandler(sender, log);
 		}
 
 		private void ShowForm(Form form)
@@ -225,5 +245,30 @@ namespace ClientForm
 
 			GC.Collect();
 		}
+
+		private void startButton_Click(object sender, EventArgs e)
+		{
+			if (startButton.Text == "Connect")
+			{
+				startButton.Text = "Disconnect";
+
+				string address = addressTextBox.Text;
+				if (string.IsNullOrEmpty(address))
+				{
+					MessageBox.Show("Empty address");
+					return;
+				}
+
+				ConnectToServer(address);
+				addressTextBox.Enabled = false;
+			}
+			else
+			{
+				startButton.Text = "Connect";
+
+				DisconnectFromServer();
+				addressTextBox.Enabled = true;
+			}
+		}
 	}
 }

SocketStudy/PComm/PClient.cs

@@ -32,6 +32,8 @@ namespace PComm
 		public delegate void ClientDisconnectedHandler(PClient sender);
 		public event ClientDisconnectedHandler OnDisconnected;
 
+		private int ConnectionRetry = 0;
+
 		public string ID { get; set; }
 
 		public IPEndPoint EndPoint { get; private set; }
@@ -42,18 +44,13 @@ namespace PComm
 
 		private Socket socket;
 
-		public PClient(string ip, int port, string id = null)
+		public PClient(IPAddress ipAddress, int port, string id = null)
 		{
 			if (string.IsNullOrEmpty(id))
 				id = Guid.NewGuid().ToString();
 			
-			socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
-			socket.ReceiveBufferSize = BUFF_SIZE;
-			socket.SendBufferSize = BUFF_SIZE;
 			this.ID = id;
-			this.EndPoint = new IPEndPoint(IPAddress.Parse(ip), port);
+			this.EndPoint = new IPEndPoint(ipAddress, port);
-
-			Connect();
 		}
 
 		public PClient(Socket accepted)
@@ -88,6 +85,8 @@ namespace PComm
 				this.Send(PDataType.ClientID, Encoding.UTF8.GetBytes(this.ID));
 
 				socket.BeginReceive(new byte[] { 0 }, 0, 0, 0, AcceptCallback, null);
+				
+				ConnectionRetry = 0;
 			}
 			catch(Exception ex)
 			{
@@ -97,6 +96,9 @@ namespace PComm
 				if (OnErrorCatched != null)
 					OnErrorCatched(this, msg);
 
+
+				if (++ConnectionRetry >= 5)
+					return;
 				Connect();
 			}
 		}
@@ -253,7 +255,7 @@ namespace PComm
 				}
 				else
 				{
-					msg = $"Socket close ({socket.RemoteEndPoint.ToString()})";
+					msg = $"Socket close ({this.EndPoint.ToString()})";
 					Debug.WriteLine(msg);
 					PFileManager.Instance.WriteLog(msg);
 					if (OnErrorCatched != null)

SocketStudy/PUtil/PUtil.cs

@@ -9,6 +9,7 @@ using System.Drawing.Imaging;
 using System.Windows.Forms;
 using System.IO.Compression;
 using System.Diagnostics;
+using System.Net;
 
 namespace PUtility
 {
@@ -163,5 +164,27 @@ namespace PUtility
 
 			return resultFileName;
 		}
+
+		public static IPAddress ValidateAddress(string address)
+		{
+			try
+			{
+				IPAddress ip;
+				if (!string.IsNullOrEmpty(address) && IPAddress.TryParse(address, out ip))
+					return ip;
+
+				// find ip through dns
+				IPHostEntry hostEntry = Dns.GetHostEntry(address);
+				if (hostEntry.AddressList == null || hostEntry.AddressList.Length < 1)
+					return null;
+
+				return hostEntry.AddressList[0];
+			}
+			catch (Exception ex)
+			{
+				Debug.WriteLine(ex.Message);
+				return null;
+			}
+		}
 	}
 }

SocketStudy/ServerForm/mainForm.Designer.cs

@@ -29,6 +29,7 @@ namespace ServerForm
 		/// </summary>
 		private void InitializeComponent()
 		{
+			System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(MainForm));
 			this.logConsole = new System.Windows.Forms.TextBox();
 			this.clientListBox = new System.Windows.Forms.ListBox();
 			this.mainTablePanel = new System.Windows.Forms.TableLayoutPanel();
@@ -99,7 +100,7 @@ namespace ServerForm
 			this.Controls.Add(this.statusStrip);
 			this.Controls.Add(this.mainTablePanel);
 			this.Font = new System.Drawing.Font("맑은 고딕", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(129)));
-			this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedToolWindow;
+			this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
 			this.Margin = new System.Windows.Forms.Padding(3, 4, 3, 4);
 			this.Name = "MainForm";
 			this.Text = "Server";

SocketStudy/ServerForm/mainForm.cs

@@ -114,6 +114,7 @@ namespace ServerForm
 			DataManager.Instance.Process(sender, dataType, data, logHandler, formHandler);
 		}
 
+
 		private void HeartBeatServer_OnDataReceived(PClientInfo sender, PDataType dataType, byte[] data)
 		{
 			if (dataType != PDataType.SimpleString)
@@ -127,6 +128,12 @@ namespace ServerForm
 				logHandler(sender.Client, "WARNING!!! BAD HEARTBEAT!!!");
 
 			sender.Client.Send(PServer.HB_CHECK);
+			UpdateHeartBeat();
+		}
+
+		private void UpdateHeartBeat()
+		{
+			heartBeatStatus.Text = DateTime.Now.ToString("yyyy-MM-dd hh:mm:ss");
 		}
 
 		private void ClientCheckTimer_Elapsed(object sender, System.Timers.ElapsedEventArgs e)