From a930046fb0050d85829b36db2590579561431d54 Mon Sep 17 00:00:00 2001
From: bettermanbao <17328315+bettermanbao@users.noreply.github.com>
Date: Tue, 7 May 2019 13:26:21 +0800
Subject: [PATCH] v0.0.3 rc

optimize node ip scan
---
 BXCNode.cs      | 49 ++++++++++++++++++++++++++++++++++++-------------
 Window1.xaml    | 37 ++++++++++++++++++++++++++++++++-----
 Window1.xaml.cs | 26 +++++++++++++++++++++++++-
 3 files changed, 93 insertions(+), 19 deletions(-)

diff --git a/BXCNode.cs b/BXCNode.cs
index f30380a..0c06f09 100644
--- a/BXCNode.cs
+++ b/BXCNode.cs
@@ -10,6 +10,7 @@
 using System.Net;
 using System.Web.Script.Serialization;
 using System.Windows.Media;
+using System.Net.Sockets;
 
 namespace bxc_bound
 {
@@ -25,7 +26,7 @@ public class BXCNode
 		public bool IsSelected;
 		public bool IsBoundOK;
 		
-		public BXCNode(string ip)
+		public BXCNode(string ip, TimeSpan timeout)
 		{
 			this.IsOK = false;
 			this.IsSelected = false;
@@ -33,13 +34,16 @@ public BXCNode(string ip)
 			
 			try
 			{
-				MyWebClient wc = new MyWebClient();
-				this.Discovery = new JavaScriptSerializer().Deserialize<api_discovery>(wc.DownloadString("http://" + ip + ":9017/discovery"));
-				this.Status = new JavaScriptSerializer().Deserialize<api_status>(wc.DownloadString("http://" + ip + ":9017/status"));
-				this.Version = new JavaScriptSerializer().Deserialize<api_version>(wc.DownloadString("http://" + ip + ":9017/version"));
-				if(this.Discovery.cksum == "BonusCloud")
+				if(BXCNode.IsPortOpen(ip, 9017, timeout))
 				{
-					this.IsOK = true;
+					WebClient wc = new WebClient();
+					this.Discovery = new JavaScriptSerializer().Deserialize<api_discovery>(wc.DownloadString("http://" + ip + ":9017/discovery"));
+					this.Status = new JavaScriptSerializer().Deserialize<api_status>(wc.DownloadString("http://" + ip + ":9017/status"));
+					this.Version = new JavaScriptSerializer().Deserialize<api_version>(wc.DownloadString("http://" + ip + ":9017/version"));
+					if(this.Discovery.cksum == "BonusCloud")
+					{
+						this.IsOK = true;
+					}
 				}
 			}
 			catch
@@ -68,7 +72,12 @@ public SolidColorBrush ToBrush()
 		
 		public override string ToString()
 		{
-			return this.Discovery.ip + System.Environment.NewLine + this.Discovery.mac + "            " + this.Version.version ;
+			string process = "";
+			if(this.Status.status.bound && !this.Status.status.process)
+			{
+				process = "            节点离线";
+			}
+			return this.Discovery.ip + process + System.Environment.NewLine + this.Discovery.mac + "            " + this.Version.version ;
 		}
 		
 		public class api_discovery
@@ -94,14 +103,28 @@ public class api_version
 			public string version { get; set; }
 		}
 		
-		private class MyWebClient : WebClient
+		static bool IsPortOpen(string host, int port, TimeSpan timeout)
 		{
-			protected override WebRequest GetWebRequest(Uri uri)
+			try
+			{
+				using(var client = new TcpClient())
+				{
+					var result = client.BeginConnect(host, port, null, null);
+					var success = result.AsyncWaitHandle.WaitOne(timeout);
+					if (!success)
+					{
+						return false;
+					}
+
+					client.EndConnect(result);
+				}
+
+			}
+			catch
 			{
-				WebRequest w = base.GetWebRequest(uri);
-				w.Timeout = 100;
-				return w;
+				return false;
 			}
+			return true;
 		}
 		
 	}
diff --git a/Window1.xaml b/Window1.xaml
index d226cf4..b039da7 100644
--- a/Window1.xaml
+++ b/Window1.xaml
@@ -111,11 +111,37 @@
 					Content="扫描节点"
 					Grid.Column="0"
 					Grid.Row="0"
-					HorizontalAlignment="Center"
 					VerticalAlignment="Top"
-					Margin="0,38,0,0"
 					Click="btn_scanIP_Click"
-					TabIndex="20" />
+					TabIndex="20"
+					HorizontalAlignment="Left"
+					Margin="18,38,0,0" />
+				<TextBox
+					Height="20"
+					Grid.Column="0"
+					Grid.Row="0"
+					HorizontalAlignment="Right"
+					VerticalAlignment="Top"
+					Margin="0,38,18,0"
+					Width="35"
+					MaxLength="4"
+					IsTabStop="True"
+					TabIndex="25"
+					x:Name="txb_timeout"
+					Text="100"
+					HorizontalContentAlignment="Right"
+					VerticalContentAlignment="Center"
+					PreviewTextInput="txb_timeout_PreviewTextInput" />
+				<Label
+					HorizontalContentAlignment="Right"
+					Content="超时(毫秒):"
+					Grid.Column="0"
+					Grid.Row="0"
+					VerticalAlignment="Top"
+					Height="24"
+					Width="70"
+					HorizontalAlignment="Left"
+					Margin="105,35,0,8" />
 			</Grid>
 		</GroupBox>
 		<GroupBox
@@ -142,14 +168,15 @@
 					Margin="8,6,0,0"
 					Content="Email:" />
 				<TextBox
-					Height="21"
 					Grid.Column="0"
 					Grid.Row="0"
 					HorizontalAlignment="Stretch"
 					VerticalAlignment="Top"
 					Margin="80,8,8,0"
 					x:Name="txb_email"
-					TabIndex="30" />
+					TabIndex="30"
+					Height="20"
+					VerticalContentAlignment="Center" />
 				<Label
 					HorizontalContentAlignment="Right"
 					VerticalContentAlignment="Bottom"
diff --git a/Window1.xaml.cs b/Window1.xaml.cs
index 2565060..7d2756c 100644
--- a/Window1.xaml.cs
+++ b/Window1.xaml.cs
@@ -22,6 +22,7 @@
 using System.ComponentModel;
 using System.IO;
 using System.Linq;
+using System.Text.RegularExpressions;
 
 namespace bxc_bound
 {
@@ -32,6 +33,7 @@ public partial class Window1 : Window
 	{
 		List<BXCNode> bxcnodelist = new List<BXCNode>();
 		string localip;
+		TimeSpan scan_timeout;
 		string str_email;
 		string str_bcode;
 		string str_result;
@@ -44,6 +46,13 @@ public Window1()
 			lookupNetInterface();
 		}
 		
+		static readonly Regex _regex = new Regex("[^0-9]+");
+		
+		static bool IsTextAllowed(string text)
+		{
+			return !_regex.IsMatch(text);
+		}
+		
 		void lookupNetInterface()
 		{
 			foreach (NetworkInterface ni in NetworkInterface.GetAllNetworkInterfaces())
@@ -74,6 +83,17 @@ void btn_scanIP_Click(object sender, RoutedEventArgs e)
 			startup.Show();
 			
 			localip = this.cbx_ip.Text;
+			int t;
+			try
+			{
+				t = Convert.ToInt32(this.txb_timeout.Text);
+			}
+			catch
+			{
+				this.txb_timeout.Text = "100";
+				t = 100;
+			}
+			scan_timeout = new TimeSpan(0,0,0,0,t);
 			BackgroundWorker bw = new BackgroundWorker();
 			bw.DoWork += new DoWorkEventHandler(bw_queryBXCNode);
 			bw.RunWorkerCompleted += new RunWorkerCompletedEventHandler(bw_queryBXCNode_RunWorkerCompleted);
@@ -82,7 +102,7 @@ void btn_scanIP_Click(object sender, RoutedEventArgs e)
 		
 		void queryBXCNode(Object ip)
 		{
-			BXCNode bxcnode = new BXCNode((string)ip);
+			BXCNode bxcnode = new BXCNode((string)ip, scan_timeout);
 			if(bxcnode.IsOK)
 			{
 				bxcnodelist.Add(bxcnode);
@@ -262,6 +282,10 @@ void window1_Loaded(object sender, RoutedEventArgs e)
 		{
 			
 		}
+		void txb_timeout_PreviewTextInput(object sender, TextCompositionEventArgs e)
+		{
+			e.Handled = !IsTextAllowed(e.Text);
+		}
 		
 	}