387 lines
13 KiB
C#
387 lines
13 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Linq;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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using System.Globalization;
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using System.Resources;
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namespace EduNetworkBuilder
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{
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public partial class LinkEditor : Form
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{
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NetworkDevice Source=null;
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NetworkDevice Dest=null;
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bool processing = false;
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NetworkLink EditingLink = null;
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List<string> UsedLinks = new List<string>();
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public LinkEditor(NetworkDevice Src, NetworkDevice Dst)
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{
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Network Net = NB.GetNetwork();
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InitializeComponent();
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LanguagifyComponents();
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Source = Src;
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if (Source != Dst)
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{
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Dest = Dst;
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}
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UsedLinks.AddRange(Net.UnavailableNics());
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UpdateDeviceList();
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//The first time, we change the selections to the source and dest, if we had drug a line
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int tindex;
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if(Source != null)
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{
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tindex = lbSrcHost.Items.IndexOf(Source.hostname);
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if (tindex >= 0)
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{
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lbSrcHost.SelectedIndex = tindex;
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UpdateDeviceList();
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}
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pbSource.Image = new Bitmap(Source.GetImage());
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}
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if (Dest != null)
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{
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tindex = lbDstHost.Items.IndexOf(Dest.hostname);
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if (tindex >= 0)
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{
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lbDstHost.SelectedIndex = tindex;
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UpdateDeviceList();
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}
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pbDest.Image = new Bitmap(Dest.GetImage());
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}
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}
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public LinkEditor(NetworkLink FromWhat)
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{
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InitializeComponent();
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LanguagifyComponents();
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EditingLink = FromWhat;
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UpdateFormFromLink(); //read in all the previous values.
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}
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private void LanguagifyComponents()
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{
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Text = NB.Translate("LE_btnLink");
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Text = NB.Translate("_Cancel");
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Text = NB.Translate("LE_Form");
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}
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private void UpdateDeviceList()
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{
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processing = true;
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Network myNet = NB.GetNetwork();
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NicType srcNicType = NicType.none;
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string SrcHost="";
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if (lbSrcHost.SelectedItem != null)
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SrcHost = lbSrcHost.SelectedItem.ToString();
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string DstHost="";
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if (lbDstHost.SelectedItem != null)
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DstHost = lbDstHost.SelectedItem.ToString();
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string SrcNic = "";
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NetworkDevice Src = null;
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if (lbSrcNic.SelectedItem != null)
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{
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Src = myNet.DeviceFromName(lbSrcHost.SelectedItem.ToString());
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SrcNic = lbSrcNic.SelectedItem.ToString();
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int sNicIndex = lbSrcNic.SelectedIndex;
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NetworkCard sNic = null;
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if(Src != null) sNic = Src.NicFromName(lbSrcNic.SelectedItem.ToString());
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if(sNic != null) srcNicType = sNic.GetNicType;
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}
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string DstNic = "";
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if (lbDstNic.SelectedItem != null)
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DstNic = lbDstNic.SelectedItem.ToString();
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string theLinkType = LinkType.normal.ToString();
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if (cbLinkType.SelectedItem != null)
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theLinkType = cbLinkType.SelectedItem.ToString();
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int ChosenSrcHost = lbSrcHost.SelectedIndex;
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int ChosenDstHost = lbDstHost.SelectedIndex;
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int tint;
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lbSrcHost.Items.Clear();
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myNet.SortNetComponents(); //just so we have them in order
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List<string> srcHostnames = myNet.GetHostnames();
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List<string> dstHostnames = myNet.GetHostnames();
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foreach(string tString in srcHostnames)
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{
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lbSrcHost.Items.Add(tString);
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}
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if (ChosenSrcHost >= 0)
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{
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ChosenSrcHost = lbSrcHost.Items.IndexOf(SrcHost);
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lbSrcHost.SelectedIndex = ChosenSrcHost;
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}
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lbSrcNic.Items.Clear();
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//List the Nics of the selected host
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if (lbSrcHost.SelectedIndex >= 0)
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{
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List<string> srcNics = myNet.NetworkCardForHostList(lbSrcHost.SelectedItem.ToString(),true,true);
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foreach (string tString in srcNics)
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{
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lbSrcNic.Items.Add(tString);
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}
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}
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if (EditingLink != null) lbSrcNic.Items.Add(EditingLink.Src.NicName);
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lbDstHost.Items.Clear();
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foreach (string tString in dstHostnames)
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{
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lbDstHost.Items.Add(tString);
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}
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if (ChosenDstHost >= 0)
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{
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ChosenDstHost = lbDstHost.Items.IndexOf(DstHost);
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if(ChosenDstHost >= 0)
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lbDstHost.SelectedIndex = ChosenDstHost;
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}
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//We cannot link to ourselves. Remove the source from the dest list
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if (lbSrcHost.SelectedIndex >= 0)
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{
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int delindex = lbDstHost.Items.IndexOf(lbSrcHost.SelectedItem.ToString());
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if (delindex >= 0)
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lbDstHost.Items.RemoveAt(delindex);
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}
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//remove the dst nic lst
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lbDstNic.Items.Clear();
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if (lbDstHost.SelectedIndex >= 0)
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{
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List<string> dstNics = myNet.NetworkCardForHostList(lbDstHost.SelectedItem.ToString(), true, true, srcNicType);
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foreach (string tString in dstNics)
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{
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lbDstNic.Items.Add(tString);
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}
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}
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if (EditingLink != null) lbDstNic.Items.Add(EditingLink.Dst.NicName);
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if (SrcNic != "")
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{
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tint = lbSrcNic.Items.IndexOf(SrcNic);
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if (tint != -1)
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lbSrcNic.SelectedIndex = tint;
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}
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if (DstNic != "")
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{
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tint = lbDstNic.Items.IndexOf(DstNic);
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if (tint != -1)
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lbDstNic.SelectedIndex = tint;
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}
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if (lbSrcHost.SelectedItem != null)
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{
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Src = myNet.DeviceFromName(lbSrcHost.SelectedItem.ToString());
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pbSource.Image = Src.GetImage();
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pbSource.Invalidate();
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}
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else
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{
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pbSource.Image = null;
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pbSource.Invalidate();
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}
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if (lbDstHost.SelectedItem != null)
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{
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NetworkDevice Dest = myNet.DeviceFromName(lbDstHost.SelectedItem.ToString());
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if (Dest != null)
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{
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pbDest.Image = Dest.GetImage();
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pbDest.Invalidate();
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}
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}
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else
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{
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pbDest.Image = null;
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pbDest.Invalidate();
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}
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if (lbDstNic.SelectedIndex > -1 && lbSrcNic.SelectedIndex > -1)
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{
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btnLink.Enabled = true;
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}
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else
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{
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btnLink.Enabled = false;
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}
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if (Regex.IsMatch(SrcNic, "^wport") || Regex.IsMatch(SrcNic, "^wlan"))
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{
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//It is a wireless nic.
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cbLinkType.Items.Clear();
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cbLinkType.Items.Add(LinkType.wireless.ToString());
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cbLinkType.Enabled = false;
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}
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else
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{
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cbLinkType.Items.Clear();
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cbLinkType.Items.Add(LinkType.normal.ToString());
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cbLinkType.Items.Add(LinkType.broken.ToString());
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cbLinkType.Enabled = true;
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}
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if (cbLinkType.Items.Contains(theLinkType))
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cbLinkType.SelectedItem = theLinkType;
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else
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cbLinkType.SelectedIndex = 0;
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//Update the instructions.
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lblInstructions.Text = ""; //empty them out if we do not need instructions
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lbSrcHost.ResetForeColor() ;
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lbSrcNic.ResetForeColor();
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lbDstHost.ResetForeColor();
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lbDstNic.ResetForeColor();
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btnLink.ForeColor = Color.Black;
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if (lbSrcHost.SelectedItem == null)
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{
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lblInstructions.Text = "Choose the source device.";
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lbSrcHost.ForeColor = Color.Red;
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}
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else if (lbSrcNic.SelectedItem == null)
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{
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lblInstructions.Text = "Choose the NIC / Port on the source device.";
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lbSrcNic.ForeColor = Color.Red;
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}
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else if (lbDstHost.SelectedItem == null)
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{
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lblInstructions.Text = "Choose the destination device.";
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lbDstHost.ForeColor = Color.Red;
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}
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else if (lbDstNic.SelectedItem == null)
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{
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lblInstructions.Text = "Choose the NIC / Port on the destination device.";
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lbDstNic.ForeColor = Color.Red;
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}
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else
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{
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//We have a valid link. We are ready to press the link.
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lblInstructions.Text = "This is a valid link. Press LINK to continue";
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btnLink.ForeColor = Color.Red;
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}
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processing = false;
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}
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private NetworkLink NewLinkFromSettings()
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{
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Network Net = NB.GetNetwork();
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NetworkDevice Src = Net.DeviceFromName(lbSrcHost.SelectedItem.ToString());
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int sNicIndex = lbSrcNic.SelectedIndex;
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NetworkCard sNic = Src.NicFromName(lbSrcNic.SelectedItem.ToString());
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NetworkDevice Dst = Net.DeviceFromName(lbDstHost.SelectedItem.ToString());
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int dNicIndex = lbDstNic.SelectedIndex;
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NetworkCard dNic = Dst.NicFromName(lbDstNic.SelectedItem.ToString());
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LinkType LT = NB.ParseEnum<LinkType>(cbLinkType.SelectedItem.ToString());
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if (sNic.GetNicType == NicType.wport || sNic.GetNicType == NicType.wlan)
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LT = LinkType.wireless; //We cannot have broken wireless links the same way.
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NetworkLink newLink = new NetworkLink(sNic.myID, dNic.myID, LT);
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return newLink;
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}
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private void btnLink_Click(object sender, EventArgs e)
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{
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Network Net = NB.GetNetwork();
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if(EditingLink != null)
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{
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Net.RemoveComponent(EditingLink); //get rid of the old one and put the new one in
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}
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NetworkLink newLink = NewLinkFromSettings();
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//Net.AddItem(newLink);
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int OldLinkID = -1;
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if (EditingLink != null) OldLinkID = EditingLink.GetUniqueIdentifier;
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NB.DoActionChangeComponent(OldLinkID,newLink);
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if (EditingLink != null)
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{
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EditingLink = null;
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}
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Close();
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}
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private void lbSrcHost_SelectedIndexChanged(object sender, EventArgs e)
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{
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if(!processing)
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UpdateDeviceList();
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}
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private void lbDstHost_SelectedIndexChanged(object sender, EventArgs e)
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{
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if (!processing)
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UpdateDeviceList();
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}
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private void lbSrcNic_SelectedIndexChanged(object sender, EventArgs e)
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{
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if (!processing)
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UpdateDeviceList();
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}
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private void lbDstNic_SelectedIndexChanged(object sender, EventArgs e)
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{
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if (!processing)
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UpdateDeviceList();
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}
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private void btnCancel_Click(object sender, EventArgs e)
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{
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Close();
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}
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private void UpdateFormFromLink()
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{
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Network Net = NB.GetNetwork();
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NetworkDevice Src = Net.GetDeviceFromID(EditingLink.Src.HostID);
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NetworkCard sNic = Src.NicFromID(EditingLink.Src.NicID);
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NetworkDevice Dst = Net.GetDeviceFromID(EditingLink.Dst.HostID);
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NetworkCard dNic = Dst.NicFromID(EditingLink.Dst.NicID);
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LinkType LT = EditingLink.theLinkType;
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lbSrcNic.Items.Clear();
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//List the Nics of the selected host
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List<string> srcNics = Net.NetworkCardForHostList(Src.hostname, false, true);
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foreach (string tString in srcNics)
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{
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lbSrcNic.Items.Add(tString);
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}
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lbDstNic.Items.Clear();
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List<string> dstNics = Net.NetworkCardForHostList(Dst.hostname, false, true, sNic.GetNicType);
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foreach (string tString in dstNics)
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{
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lbDstNic.Items.Add(tString);
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}
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UpdateDeviceList();
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lbSrcHost.SelectedItem = Src.hostname;
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lbSrcNic.SelectedItem = sNic.NicName();
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lbDstHost.SelectedItem = Dst.hostname;
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lbDstNic.SelectedItem = dNic.NicName();
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cbLinkType.SelectedItem = LT.ToString();
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UpdateDeviceList();
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}
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private void LinkEditor_Shown(object sender, EventArgs e)
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{
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BuilderWindow BW = NB.GetBuilderWin();
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if (BW != null)
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{
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Point tLocation = new Point(BW.Location.X + ((BW.Width - Width) / 2), BW.Location.Y + ((BW.Height - Height) / 2));
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Location = tLocation;
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}
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}
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}
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} |