Merge pull request #2 from swagfin/feature/target-ping-checker

Feature/target ping checker

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; } = "Not checked";
 
         public bool Valid => ListenPort > 0 && ConnectPort > 0;
 

PortProxyGUI/PortProxyGUI.Designer.cs

@@ -37,12 +37,14 @@
             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();
             this.toolStripMenuItem_Disable = new System.Windows.Forms.ToolStripMenuItem();
             this.toolStripSeparator3 = new System.Windows.Forms.ToolStripSeparator();
             this.toolStripMenuItem_Refresh = new System.Windows.Forms.ToolStripMenuItem();
+            this.toolStripMenuItem_RefreshPingStatus = new System.Windows.Forms.ToolStripMenuItem();
             this.toolStripMenuItem_FlushDnsCache = new System.Windows.Forms.ToolStripMenuItem();
             this.toolStripSeparator2 = new System.Windows.Forms.ToolStripSeparator();
             this.toolStripMenuItem_New = new System.Windows.Forms.ToolStripMenuItem();
@@ -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");
@@ -115,6 +122,7 @@
             this.toolStripMenuItem_Disable,
             this.toolStripSeparator3,
             this.toolStripMenuItem_Refresh,
+            this.toolStripMenuItem_RefreshPingStatus,
             this.toolStripMenuItem_FlushDnsCache,
             this.toolStripSeparator2,
             this.toolStripMenuItem_New,
@@ -146,6 +154,11 @@
             this.toolStripMenuItem_Refresh.Name = "toolStripMenuItem_Refresh";
             resources.ApplyResources(this.toolStripMenuItem_Refresh, "toolStripMenuItem_Refresh");
             // 
+            // toolStripMenuItem_RefreshPingStatus
+            // 
+            this.toolStripMenuItem_RefreshPingStatus.Name = "toolStripMenuItem_RefreshPingStatus";
+            resources.ApplyResources(this.toolStripMenuItem_RefreshPingStatus, "toolStripMenuItem_RefreshPingStatus");
+            // 
             // toolStripMenuItem_FlushDnsCache
             // 
             this.toolStripMenuItem_FlushDnsCache.Name = "toolStripMenuItem_FlushDnsCache";
@@ -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.ToolStripMenuItem toolStripMenuItem_RefreshPingStatus;
     }
 }
 

PortProxyGUI/PortProxyGUI.cs

@@ -1,7 +1,10 @@
 using NStandard;
 using System;
+using System.Collections.Generic;
 using System.Data;
+using System.Drawing;
 using System.Linq;
+using System.Net.NetworkInformation;
 using System.Windows.Forms;
 using static System.Windows.Forms.ListViewItem;
 
@@ -12,7 +15,7 @@ namespace PortProxyGUI
         public SetProxy SetProxyForm;
         public About AboutForm;
         private ListViewColumnSorter lvwColumnSorter;
-
+        private List<KeyValuePair<string, IPStatus>> hostStatus { get; set; } = new List<KeyValuePair<string, IPStatus>>();
         public PortProxyGUI()
         {
             InitializeComponent();
@@ -46,7 +49,8 @@ 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 +158,14 @@ 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)
+                {
+                    Tag ="Connect To Ping Status",
+                    ForeColor = rule.PingStatus.Equals("Success") ?  Color.Green
+                             :  rule.PingStatus.Equals("Pending") ? Color.DarkGray
+                             :  Color.MediumVioletRed
+                },
+                new ListViewSubItem(item, rule.Comment ?? string.Empty)
             });
 
             if (rule.Group.IsNullOrWhiteSpace()) item.Group = null;
@@ -172,6 +183,9 @@ namespace PortProxyGUI
 
         public void RefreshProxyList()
         {
+            try
+            {
+
                 var proxies = CmdUtil.GetProxies();
                 var rules = Program.SqliteDbScope.Rules.ToArray();
                 foreach (var proxy in proxies)
@@ -195,6 +209,11 @@ namespace PortProxyGUI
                 InitProxyGroups(rules);
                 InitProxyItems(rules, proxies);
             }
+            catch (Exception ex)
+            {
+                MessageBox.Show(ex.Message, "Error Refreshing");
+            }
+        }
 
         public void FlushDnsCache()
         {
@@ -237,6 +256,9 @@ namespace PortProxyGUI
                     case ToolStripMenuItem item when item == toolStripMenuItem_Refresh:
                         RefreshProxyList();
                         break;
+                    case ToolStripMenuItem item when item == toolStripMenuItem_RefreshPingStatus:
+                        RefreshConnectHostPingStatus();
+                        break;
                     case ToolStripMenuItem item when item == toolStripMenuItem_FlushDnsCache:
                         FlushDnsCache();
                         break;
@@ -314,5 +336,42 @@ namespace PortProxyGUI
                 if (e.KeyCode == Keys.Delete) DeleteSelectedProxies();
             }
         }
+
+        private void RefreshConnectHostPingStatus()
+        {
+            try
+            {
+                var items = listViewProxies.Items.OfType<ListViewItem>();
+                hostStatus = new List<KeyValuePair<string, IPStatus>>();
+                foreach (var item in items)
+                {
+                    try
+                    {
+                        //Custom Color for cells
+                        item.UseItemStyleForSubItems = false;
+                        //Proceed
+                        Data.Rule rule = ParseRule(item);
+                        //Check if host already pinged host
+                        var alreadyChkdHost = hostStatus.FirstOrDefault(x => x.Key.Equals(rule.ConnectTo, StringComparison.OrdinalIgnoreCase));
+                        if (!string.IsNullOrEmpty(alreadyChkdHost.Key))
+                        {
+                            //Skip Checking Status since already checked
+                            rule.PingStatus = alreadyChkdHost.Value.ToString();
+                            UpdateListViewItem(item, rule, item.ImageIndex);
+                        }
+                        else
+                        {
+                            //If not yet checked
+                            PingCheckerUtil.GetPingResult(rule.ConnectTo, 2, out IPStatus ipStatus, out _, out _);
+                            hostStatus.Add(new KeyValuePair<string, IPStatus>(rule.ConnectTo, ipStatus));
+                            rule.PingStatus = ipStatus.ToString();
+                            UpdateListViewItem(item, rule, item.ImageIndex);
+                        }
+                    }
+                    catch { }
+                }
+            }
+            catch { }
+        }
     }
 }

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>
@@ -125,6 +131,18 @@
   <data name="toolStripMenuItem_Refresh.Text" xml:space="preserve">
     <value>Refresh (&amp;F)</value>
   </data>
+  <data name="toolStripMenuItem_Refresh.ToolTipText" xml:space="preserve">
+    <value>Refresh Port Proxies</value>
+  </data>
+  <data name="toolStripMenuItem_RefreshPingStatus.Size" type="System.Drawing.Size, System.Drawing">
+    <value>180, 22</value>
+  </data>
+  <data name="toolStripMenuItem_RefreshPingStatus.Text" xml:space="preserve">
+    <value>Refresh Ping Status</value>
+  </data>
+  <data name="toolStripMenuItem_RefreshPingStatus.ToolTipText" xml:space="preserve">
+    <value>Refresh Host Ping Statuses</value>
+  </data>
   <data name="toolStripMenuItem_FlushDnsCache.Size" type="System.Drawing.Size, System.Drawing">
     <value>180, 22</value>
   </data>
@@ -132,7 +150,7 @@
     <value>Flush DNS Cache</value>
   </data>
   <data name="toolStripMenuItem_FlushDnsCache.ToolTipText" xml:space="preserve">
-    <value>Will perform ipconfig/flushDNS</value>
+    <value>Perform ipconfig/flushDNS</value>
   </data>
   <data name="toolStripSeparator2.Size" type="System.Drawing.Size, System.Drawing">
     <value>177, 6</value>
@@ -165,7 +183,7 @@
     <value>About</value>
   </data>
   <data name="contextMenuStrip1.Size" type="System.Drawing.Size, System.Drawing">
-    <value>181, 220</value>
+    <value>181, 242</value>
   </data>
   <data name="&gt;&gt;contextMenuStrip1.Name" xml:space="preserve">
     <value>contextMenuStrip1</value>
@@ -184,10 +202,10 @@
     <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 +215,7 @@
         AAEAAAD/////AQAAAAAAAAAMAgAAAEZTeXN0ZW0uV2luZG93cy5Gb3JtcywgQ3VsdHVyZT1uZXV0cmFs
         LCBQdWJsaWNLZXlUb2tlbj1iNzdhNWM1NjE5MzRlMDg5BQEAAAAmU3lzdGVtLldpbmRvd3MuRm9ybXMu
         SW1hZ2VMaXN0U3RyZWFtZXIBAAAABERhdGEHAgIAAAAJAwAAAA8DAAAA3AgAAAJNU0Z0AUkBTAIBAQIB
-        AAEwAQEBMAEBARABAAEQAQAE/wEJAQAI/wFCAU0BNgEEBgABNgEEAgABKAMAAUADAAEQAwABAQEAAQgG
+        AAF4AQEBeAEBARABAAEQAQAE/wEJAQAI/wFCAU0BNgEEBgABNgEEAgABKAMAAUADAAEQAwABAQEAAQgG
         AAEEGAABgAIAAYADAAKAAQABgAMAAYABAAGAAQACgAIAA8ABAAHAAdwBwAEAAfABygGmAQABMwUAATMB
         AAEzAQABMwEAAjMCAAMWAQADHAEAAyIBAAMpAQADVQEAA00BAANCAQADOQEAAYABfAH/AQACUAH/AQAB
         kwEAAdYBAAH/AewBzAEAAcYB1gHvAQAB1gLnAQABkAGpAa0CAAH/ATMDAAFmAwABmQMAAcwCAAEzAwAC
@@ -256,10 +274,13 @@
     <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 +2485,12 @@
   <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>
@@ -2494,6 +2521,12 @@
   <data name="&gt;&gt;toolStripMenuItem_Refresh.Type" xml:space="preserve">
     <value>System.Windows.Forms.ToolStripMenuItem, System.Windows.Forms, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </data>
+  <data name="&gt;&gt;toolStripMenuItem_RefreshPingStatus.Name" xml:space="preserve">
+    <value>toolStripMenuItem_RefreshPingStatus</value>
+  </data>
+  <data name="&gt;&gt;toolStripMenuItem_RefreshPingStatus.Type" xml:space="preserve">
+    <value>System.Windows.Forms.ToolStripMenuItem, System.Windows.Forms, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
   <data name="&gt;&gt;toolStripMenuItem_FlushDnsCache.Name" xml:space="preserve">
     <value>toolStripMenuItem_FlushDnsCache</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; }
+        }
+    }
+}