chore: added ping bground service

PortProxyGUI/Data/Rule.cs

@@ -13,6 +13,7 @@ namespace PortProxyGUI.Data
         public int ConnectPort { get; set; }
         public string Comment { get; set; }
         public string Group { get; set; }
+        public string PingStatus { get; set; }
 
         public bool Valid => ListenPort > 0 && ConnectPort > 0;
 

PortProxyGUI/PortProxyGUI.Designer.cs

@@ -37,6 +37,7 @@
             this.columnHeader4 = new System.Windows.Forms.ColumnHeader();
             this.columnHeader5 = new System.Windows.Forms.ColumnHeader();
             this.columnHeader6 = new System.Windows.Forms.ColumnHeader();
+            this.columnPingStatus = new System.Windows.Forms.ColumnHeader();
             this.columnHeader7 = new System.Windows.Forms.ColumnHeader();
             this.contextMenuStrip1 = new System.Windows.Forms.ContextMenuStrip(this.components);
             this.toolStripMenuItem_Enable = new System.Windows.Forms.ToolStripMenuItem();
@@ -51,6 +52,7 @@
             this.toolStripSeparator1 = new System.Windows.Forms.ToolStripSeparator();
             this.toolStripMenuItem_About = new System.Windows.Forms.ToolStripMenuItem();
             this.imageListProxies = new System.Windows.Forms.ImageList(this.components);
+            this.TimerPingTargets = new System.Windows.Forms.Timer(this.components);
             this.contextMenuStrip1.SuspendLayout();
             this.SuspendLayout();
             // 
@@ -64,6 +66,7 @@
             this.columnHeader4,
             this.columnHeader5,
             this.columnHeader6,
+            this.columnPingStatus,
             this.columnHeader7});
             this.listViewProxies.ContextMenuStrip = this.contextMenuStrip1;
             resources.ApplyResources(this.listViewProxies, "listViewProxies");
@@ -104,6 +107,10 @@
             this.columnHeader6.Tag = "";
             resources.ApplyResources(this.columnHeader6, "columnHeader6");
             // 
+            // columnPingStatus
+            // 
+            resources.ApplyResources(this.columnPingStatus, "columnPingStatus");
+            // 
             // columnHeader7
             // 
             resources.ApplyResources(this.columnHeader7, "columnHeader7");
@@ -189,6 +196,12 @@
             this.imageListProxies.Images.SetKeyName(0, "disable.png");
             this.imageListProxies.Images.SetKeyName(1, "enable.png");
             // 
+            // TimerPingTargets
+            // 
+            this.TimerPingTargets.Enabled = true;
+            this.TimerPingTargets.Interval = 5000;
+            this.TimerPingTargets.Tick += new System.EventHandler(this.TimerPingTargets_Tick);
+            // 
             // PortProxyGUI
             // 
             resources.ApplyResources(this, "$this");
@@ -224,6 +237,8 @@
         private System.Windows.Forms.ColumnHeader columnHeader7;
         internal System.Windows.Forms.ListView listViewProxies;
         private System.Windows.Forms.ToolStripMenuItem toolStripMenuItem_FlushDnsCache;
+        private System.Windows.Forms.ColumnHeader columnPingStatus;
+        private System.Windows.Forms.Timer TimerPingTargets;
     }
 }
 

PortProxyGUI/PortProxyGUI.cs

@@ -2,6 +2,7 @@
 using System;
 using System.Data;
 using System.Linq;
+using System.Net.NetworkInformation;
 using System.Windows.Forms;
 using static System.Windows.Forms.ListViewItem;
 
@@ -46,7 +47,8 @@ namespace PortProxyGUI
                 ListenPort = listenPort,
                 ConnectTo = subItems[4].Text.Trim(),
                 ConnectPort = connectPort,
-                Comment = subItems[6].Text.Trim(),
+                PingStatus = subItems[6].Text.Trim(),
+                Comment = subItems[7].Text.Trim(),
                 Group = item.Group?.Header.Trim(),
             };
             return rule;
@@ -154,7 +156,8 @@ namespace PortProxyGUI
                 new ListViewSubItem(item, rule.ListenPort.ToString()) { Tag = "Number" },
                 new ListViewSubItem(item, rule.ConnectTo),
                 new ListViewSubItem(item, rule.ConnectPort.ToString ()) { Tag = "Number" },
-                new ListViewSubItem(item, rule.Comment ?? ""),
+                new ListViewSubItem(item, rule.PingStatus ?? string.Empty),
+                new ListViewSubItem(item, rule.Comment ?? string.Empty)
             });
 
             if (rule.Group.IsNullOrWhiteSpace()) item.Group = null;
@@ -314,5 +317,28 @@ namespace PortProxyGUI
                 if (e.KeyCode == Keys.Delete) DeleteSelectedProxies();
             }
         }
+
+        private void TimerPingTargets_Tick(object sender, EventArgs e)
+        {
+            TimerPingTargets.Stop();
+            try
+            {
+                var items = listViewProxies.Items.OfType<ListViewItem>();
+                foreach (var item in items)
+                {
+                    try
+                    {
+                        var rule = ParseRule(item);
+                        //Ping Host
+                        PingCheckerUtil.GetPingResult(rule.ConnectTo, 2, out IPStatus ipStatus, out _, out _);
+                        rule.PingStatus = ipStatus.ToString();
+                        UpdateListViewItem(item, rule, item.ImageIndex);
+                    }
+                    catch { }
+                }
+            }
+            catch { }
+            TimerPingTargets.Start();
+        }
     }
 }

PortProxyGUI/PortProxyGUI.resx

@@ -94,6 +94,12 @@
   <data name="columnHeader6.Width" type="System.Int32, mscorlib">
     <value>100</value>
   </data>
+  <data name="columnPingStatus.Text" xml:space="preserve">
+    <value>Ping Status</value>
+  </data>
+  <data name="columnPingStatus.Width" type="System.Int32, mscorlib">
+    <value>104</value>
+  </data>
   <data name="columnHeader7.Text" xml:space="preserve">
     <value>Comment</value>
   </data>
@@ -105,28 +111,28 @@
   </metadata>
   <assembly alias="System.Drawing" name="System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
   <data name="toolStripMenuItem_Enable.Size" type="System.Drawing.Size, System.Drawing">
-    <value>180, 22</value>
+    <value>164, 22</value>
   </data>
   <data name="toolStripMenuItem_Enable.Text" xml:space="preserve">
     <value>Enable (&amp;E)</value>
   </data>
   <data name="toolStripMenuItem_Disable.Size" type="System.Drawing.Size, System.Drawing">
-    <value>180, 22</value>
+    <value>164, 22</value>
   </data>
   <data name="toolStripMenuItem_Disable.Text" xml:space="preserve">
     <value>Disable (&amp;I)</value>
   </data>
   <data name="toolStripSeparator3.Size" type="System.Drawing.Size, System.Drawing">
-    <value>177, 6</value>
+    <value>161, 6</value>
   </data>
   <data name="toolStripMenuItem_Refresh.Size" type="System.Drawing.Size, System.Drawing">
-    <value>180, 22</value>
+    <value>164, 22</value>
   </data>
   <data name="toolStripMenuItem_Refresh.Text" xml:space="preserve">
     <value>Refresh (&amp;F)</value>
   </data>
   <data name="toolStripMenuItem_FlushDnsCache.Size" type="System.Drawing.Size, System.Drawing">
-    <value>180, 22</value>
+    <value>164, 22</value>
   </data>
   <data name="toolStripMenuItem_FlushDnsCache.Text" xml:space="preserve">
     <value>Flush DNS Cache</value>
@@ -135,37 +141,37 @@
     <value>Will perform ipconfig/flushDNS</value>
   </data>
   <data name="toolStripSeparator2.Size" type="System.Drawing.Size, System.Drawing">
-    <value>177, 6</value>
+    <value>161, 6</value>
   </data>
   <data name="toolStripMenuItem_New.Size" type="System.Drawing.Size, System.Drawing">
-    <value>180, 22</value>
+    <value>164, 22</value>
   </data>
   <data name="toolStripMenuItem_New.Text" xml:space="preserve">
     <value>New (&amp;N) ...</value>
   </data>
   <data name="toolStripMenuItem_Modify.Size" type="System.Drawing.Size, System.Drawing">
-    <value>180, 22</value>
+    <value>164, 22</value>
   </data>
   <data name="toolStripMenuItem_Modify.Text" xml:space="preserve">
     <value>Modify (&amp;M) ...</value>
   </data>
   <data name="toolStripMenuItem_Delete.Size" type="System.Drawing.Size, System.Drawing">
-    <value>180, 22</value>
+    <value>164, 22</value>
   </data>
   <data name="toolStripMenuItem_Delete.Text" xml:space="preserve">
     <value>Delete (&amp;D)</value>
   </data>
   <data name="toolStripSeparator1.Size" type="System.Drawing.Size, System.Drawing">
-    <value>177, 6</value>
+    <value>161, 6</value>
   </data>
   <data name="toolStripMenuItem_About.Size" type="System.Drawing.Size, System.Drawing">
-    <value>180, 22</value>
+    <value>164, 22</value>
   </data>
   <data name="toolStripMenuItem_About.Text" xml:space="preserve">
     <value>About</value>
   </data>
   <data name="contextMenuStrip1.Size" type="System.Drawing.Size, System.Drawing">
-    <value>181, 220</value>
+    <value>165, 198</value>
   </data>
   <data name="&gt;&gt;contextMenuStrip1.Name" xml:space="preserve">
     <value>contextMenuStrip1</value>
@@ -184,10 +190,10 @@
     <value>0, 0</value>
   </data>
   <data name="listViewProxies.Margin" type="System.Windows.Forms.Padding, System.Windows.Forms">
-    <value>4, 3, 4, 3</value>
+    <value>5, 3, 5, 3</value>
   </data>
   <data name="listViewProxies.Size" type="System.Drawing.Size, System.Drawing">
-    <value>704, 456</value>
+    <value>797, 456</value>
   </data>
   <metadata name="imageListProxies.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
     <value>182, 17</value>
@@ -197,7 +203,7 @@
         AAEAAAD/////AQAAAAAAAAAMAgAAAEZTeXN0ZW0uV2luZG93cy5Gb3JtcywgQ3VsdHVyZT1uZXV0cmFs
         LCBQdWJsaWNLZXlUb2tlbj1iNzdhNWM1NjE5MzRlMDg5BQEAAAAmU3lzdGVtLldpbmRvd3MuRm9ybXMu
         SW1hZ2VMaXN0U3RyZWFtZXIBAAAABERhdGEHAgIAAAAJAwAAAA8DAAAA3AgAAAJNU0Z0AUkBTAIBAQIB
-        AAEwAQEBMAEBARABAAEQAQAE/wEJAQAI/wFCAU0BNgEEBgABNgEEAgABKAMAAUADAAEQAwABAQEAAQgG
+        AAFYAQEBWAEBARABAAEQAQAE/wEJAQAI/wFCAU0BNgEEBgABNgEEAgABKAMAAUADAAEQAwABAQEAAQgG
         AAEEGAABgAIAAYADAAKAAQABgAMAAYABAAGAAQACgAIAA8ABAAHAAdwBwAEAAfABygGmAQABMwUAATMB
         AAEzAQABMwEAAjMCAAMWAQADHAEAAyIBAAMpAQADVQEAA00BAANCAQADOQEAAYABfAH/AQACUAH/AQAB
         kwEAAdYBAAH/AewBzAEAAcYB1gHvAQAB1gLnAQABkAGpAa0CAAH/ATMDAAFmAwABmQMAAcwCAAEzAwAC
@@ -252,14 +258,20 @@
   <data name="&gt;&gt;listViewProxies.ZOrder" xml:space="preserve">
     <value>1</value>
   </data>
+  <metadata name="TimerPingTargets.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+    <value>324, 17</value>
+  </metadata>
   <metadata name="$this.Localizable" type="System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
     <value>True</value>
   </metadata>
   <data name="$this.AutoScaleDimensions" type="System.Drawing.SizeF, System.Drawing">
-    <value>6, 13</value>
+    <value>7, 15</value>
   </data>
   <data name="$this.ClientSize" type="System.Drawing.Size, System.Drawing">
-    <value>704, 456</value>
+    <value>797, 456</value>
+  </data>
+  <data name="$this.Font" type="System.Drawing.Font, System.Drawing">
+    <value>Segoe UI, 9pt</value>
   </data>
   <data name="$this.Icon" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
     <value>
@@ -2464,6 +2476,12 @@
   <data name="&gt;&gt;columnHeader6.Type" xml:space="preserve">
     <value>System.Windows.Forms.ColumnHeader, System.Windows.Forms, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </data>
+  <data name="&gt;&gt;columnPingStatus.Name" xml:space="preserve">
+    <value>columnPingStatus</value>
+  </data>
+  <data name="&gt;&gt;columnPingStatus.Type" xml:space="preserve">
+    <value>System.Windows.Forms.ColumnHeader, System.Windows.Forms, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
   <data name="&gt;&gt;columnHeader7.Name" xml:space="preserve">
     <value>columnHeader7</value>
   </data>
@@ -2542,6 +2560,12 @@
   <data name="&gt;&gt;imageListProxies.Type" xml:space="preserve">
     <value>System.Windows.Forms.ImageList, System.Windows.Forms, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </data>
+  <data name="&gt;&gt;TimerPingTargets.Name" xml:space="preserve">
+    <value>TimerPingTargets</value>
+  </data>
+  <data name="&gt;&gt;TimerPingTargets.Type" xml:space="preserve">
+    <value>System.Windows.Forms.Timer, System.Windows.Forms, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
   <data name="&gt;&gt;$this.Name" xml:space="preserve">
     <value>PortProxyGUI</value>
   </data>

PortProxyGUI/~DS/PingCheckerUtil.cs

@@ -0,0 +1,31 @@
+using System.Net;
+using System.Net.NetworkInformation;
+using System.Text;
+
+namespace PortProxyGUI
+{
+    public static class PingCheckerUtil
+    {
+        // Adapted from https://docs.microsoft.com/en-us/dotnet/api/system.net.networkinformation.ping.send
+        public static bool GetPingResult(string ipAddress, int timeout, out IPStatus responseStatus, out IPAddress responseIpAddress, out long responseTime)
+        {
+            //Defaults
+            responseIpAddress = null;
+            responseTime = 0;
+            responseStatus = IPStatus.Unknown;
+            try
+            {
+                //Sending 32bytes
+                byte[] buffer = Encoding.ASCII.GetBytes("12345678901234567890123456789012");
+                Ping pingSender = new Ping();
+                PingOptions options = new PingOptions(64, true);
+                PingReply reply = pingSender.Send(ipAddress, timeout, buffer, options);
+                responseIpAddress = reply.Address;
+                responseTime = reply.RoundtripTime;
+                responseStatus = reply.Status;
+                return (reply.Status == IPStatus.Success) ? true : false;
+            }
+            catch { return false; }
+        }
+    }
+}