EduNetworkBuilder/EduNetworkBuilder/LinkEditor.cs
2018-02-17 11:42:21 +00:00

314 lines
11 KiB
C#

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