public InterfacePerformanceForm(NetworkInterface nic)
{
if (Instance != null)
{
Instance.WindowState = FormWindowState.Normal;
Instance.Activate();
return;
}
Instance = this;
Global.BusyForms.Enqueue(busyForm);
InitializeComponent();
// resize
Size minimumSize = ClientSize;
Rectangle screenRectangle = RectangleToScreen(ClientRectangle);
int titleBarHeight = screenRectangle.Top - Top;
int borderThickness = screenRectangle.Left - Left;
Rectangle workingArea = Screen.GetWorkingArea(this);
Size clientSize = new Size();
if (minimumSize.Width > workingArea.Width - 2 * borderThickness)
clientSize.Width = workingArea.Width - 2 * borderThickness;
else
clientSize.Width = minimumSize.Width;
if (minimumSize.Height > workingArea.Height - titleBarHeight - borderThickness)
clientSize.Height = workingArea.Height - titleBarHeight - borderThickness;
else
clientSize.Height = minimumSize.Height;
AutoScrollMinSize = new System.Drawing.Size(minimumSize.Width, minimumSize.Height);
ClientSize = new Size(clientSize.Width, clientSize.Height);
Show();
}
public static long TotalSentdBytes(this WinLib.Network.NetworkInterface networkInterface)
{
InterfaceDataUsage interfaceDataUsage = Config.DataUsage.FirstOrDefault(i => i.InterfaceGuid == networkInterface.Guid);
if (interfaceDataUsage != null)
{
return(interfaceDataUsage.PreviousSessionsSentBytes + networkInterface.IPv4BytesSent);
}
else
{
return(networkInterface.IPv4BytesSent);
}
}
public ConfigureInterfaceForm(Guid guid)
{
if (Instance != null)
{
// TODO: flash existing config form
Instance.WindowState = FormWindowState.Normal;
Instance.Activate();
return;
}
Instance = this;
Global.BusyForms.Enqueue(busyForm);
InitializeComponent();
// load profiles
LoadProfiles();
// resize
Size minimumSize = ClientSize;
Rectangle screenRectangle = RectangleToScreen(ClientRectangle);
int titleBarHeight = screenRectangle.Top - Top;
int borderThickness = screenRectangle.Left - Left;
Rectangle workingArea = Screen.GetWorkingArea(this);
Size clientSize = new Size();
if (minimumSize.Width > workingArea.Width - 2 * borderThickness)
clientSize.Width = workingArea.Width - 2 * borderThickness;
else
clientSize.Width = minimumSize.Width;
if (minimumSize.Height > workingArea.Height - titleBarHeight - borderThickness)
clientSize.Height = workingArea.Height - titleBarHeight - borderThickness;
else
clientSize.Height = minimumSize.Height;
AutoScrollMinSize = new System.Drawing.Size(minimumSize.Width, minimumSize.Height);
ClientSize = new Size(clientSize.Width, clientSize.Height);
// IPv4
nic = Global.NetworkInterfaces[guid];
for (int i = 0; i < nic.IPv4Address.Count; i++)
dataGridView1.Rows.Add(nic.IPv4Address[i].Address, nic.IPv4Address[i].Subnet);
for (int i = 0; i < nic.IPv4Gateway.Count; i++)
dataGridView2.Rows.Add(nic.IPv4Gateway[i].Address, nic.IPv4Gateway[i].GatewayMetric);
for (int i = 0; i < nic.IPv4DnsServer.Count; i++)
dataGridView3.Rows.Add(nic.IPv4DnsServer[i]);
dhcpIPEnabled.Checked = nic.Dhcpv4Enabled > NetworkInterface.Dhcp.Disabled;
dataGridView1.Enabled = nic.Dhcpv4Enabled == 0;
dataGridView2.Enabled = nic.Dhcpv4Enabled == 0;
dhcpDnsEnabled.Checked = nic.Dhcpv4Enabled == NetworkInterface.Dhcp.IPnDns;
button13.Enabled = nic.Dhcpv4Enabled < NetworkInterface.Dhcp.IPnDns;
button14.Enabled = nic.Dhcpv4Enabled < NetworkInterface.Dhcp.IPnDns;
dataGridView3.Enabled = nic.Dhcpv4Enabled < NetworkInterface.Dhcp.IPnDns;
interfaceMetric.Text = nic.InterfaceMetric.ToString();
ipv4Mtu.Text = nic.IPv4Mtu;
new WinLib.Forms.TextBoxMask(interfaceMetric, WinLib.Forms.TextBoxMask.Mask.Numeric);
new WinLib.Forms.TextBoxMask(ipv4Mtu, WinLib.Forms.TextBoxMask.Mask.Numeric);
netbiosEnabled.Checked = nic.NetbiosEnabled < NetworkInterface.Netbios.Disabled;
if (Environment.OSVersion.Version.CompareTo(new Version("6.0")) < 0)
{
toolTip.SetToolTip(ipv4Mtu, "This has no effect on versions of Windows older that Windows Vista");
}
// IPv6
for (int i = 0; i < nic.IPv6Address.Global.Count; i++)
dataGridView4.Rows.Add(nic.IPv6Address.Global[i].Address, nic.IPv6Address.Global[i].Subnet);
for (int i = 0; i < nic.IPv6Address.Temporary.Count; i++)
dataGridView4.Rows.Add(nic.IPv6Address.Temporary[i].Address, nic.IPv6Address.Temporary[i].Subnet);
for (int i = 0; i < nic.IPv6Address.LinkLocal.Count; i++)
dataGridView4.Rows.Add(nic.IPv6Address.LinkLocal[i].Address, nic.IPv6Address.LinkLocal[i].Subnet);
for (int i = 0; i < nic.IPv6Address.SiteLocal.Count; i++)
dataGridView4.Rows.Add(nic.IPv6Address.SiteLocal[i].Address, nic.IPv6Address.SiteLocal[i].Subnet);
for (int i = 0; i < nic.IPv6Address.UniqueLocal.Count; i++)
dataGridView4.Rows.Add(nic.IPv6Address.UniqueLocal[i].Address, nic.IPv6Address.UniqueLocal[i].Subnet);
for (int i = 0; i < nic.IPv6Address.Local.Count; i++)
dataGridView4.Rows.Add(nic.IPv6Address.Local[i].Address, nic.IPv6Address.Local[i].Subnet);
for (int i = 0; i < nic.IPv6Gateway.Count; i++)
dataGridView5.Rows.Add(nic.IPv6Gateway[i].Address, nic.IPv6Gateway[i].GatewayMetric);
for (int i = 0; i < nic.IPv6DnsServer.Count; i++)
dataGridView6.Rows.Add(nic.IPv6DnsServer[i]);
routerDiscoveryEnabled.Checked = nic.IPv6RouterDiscoveryEnabled;
ipv6Mtu.Text = nic.IPv6Mtu;
new WinLib.Forms.TextBoxMask(ipv6Mtu, WinLib.Forms.TextBoxMask.Mask.Numeric);
if (!nic.IPv4Enabled)
tabControl1.TabPages[0].Enabled = false;
if (!nic.IPv6Enabled)
tabControl1.TabPages[1].Enabled = false;
Text = "Configure " + Global.NetworkInterfaces[guid].Name;
Show();
}
public static bool Start(IEnumerable<NetworkInterface> requiredNics)
{
Global.WriteLog("Load Balancer is starting.", true);
Status.Update(State.Starting);
if (requiredNics.Count() == 0)
{
Global.WriteLog("Load Balancer can't start without any physical interface.", true);
Global.ShowTrayTip("Load Balancer", "Can't start whitout any physical interface", System.Windows.Forms.ToolTipIcon.Error);
Status.Update(State.Failed);
return false;
}
if (!Jobs.Extensions.Dependencies.Check())
{
Status.Update(State.Failed);
return false;
}
if (!TapInterface.PutUp())
{
Global.WriteLog("Load Balancer failed to connect to " + TapInterface.FriendlyName, true);
Global.ShowTrayTip("Load Balancer", "Failed to connect to " + TapInterface.FriendlyName, System.Windows.Forms.ToolTipIcon.Error);
Status.Update(State.Failed);
return false;
}
NetworkInterface tapInterface = new NetworkInterface();
tapInterface.Guid = TapInterface.Guid;
tapInterface.Name = TapInterface.FriendlyName;
if (!Dependencies.RunWinPcapService(requiredNics.Concat(new NetworkInterface[] { tapInterface }), true))
{
Global.WriteLog("Load Balancer failed to start because some interfaces were not captured by WinPcap.", true);
Global.ShowTrayTip("Load Balancer", "Failed to start", System.Windows.Forms.ToolTipIcon.Error);
TapInterface.PutDown();
Status.Update(State.Failed);
return false;
}
Interfaces = requiredNics;
// start LB threads
LoadingForm splash = LoadingForm.Create("Initializing ...");
foreach (NetworkInterface nic in Global.NetworkInterfaces.Values)
if (nic.Guid != TapInterface.Guid &&
(nic.IPv4Gateway.Count > 0 || nic.IPv6Gateway.Count > 0))
{
splash.UpdateStatus("Configuring " + nic.Name + " ...");
nic.SetInterfaceMetric("4000");
foreach (NetworkInterface.IPGatewayAddress ip in nic.IPv4Gateway)
nic.EditIPv4Gateway(ip.Address, "4000");
foreach (NetworkInterface.IPGatewayAddress ip in nic.IPv6Gateway)
nic.EditIPv6Gateway(ip.Address, "4000");
}
splash.UpdateStatus("Initializing " + TapInterface.FriendlyName + " ...");
physicalWorkers.Clear();
tapWorker = new TapWorker(TapInterface.Guid, TapInterface.FriendlyName, TapInterface.Mac,
Global.Config.LoadBalancer.IPv4LocalAddresses.First().Address, Global.Config.LoadBalancer.IPv4GatewayAddresses.First().Address);
new Thread(new ThreadStart(tapWorker.ReceivePackets)).Start();
tapWorker.Initialized.Wait(1000);
foreach (NetworkInterface nic in requiredNics)
{
splash.UpdateStatus("Initializing " + nic.Name + " ...");
physicalWorkers.Add(new PhysicalWorker(nic.Guid, nic.Name, nic.Mac, nic.IPv4Address.First().Address,
nic.IPv4Address.First().Subnet, nic.DefaultIPv4GatewayMac, nic.DefaultIPv4Gateway));
new Thread(new ThreadStart(physicalWorkers.Last().ReceivePackets)).Start();
physicalWorkers.Last().Initialized.Wait(10000);
}
int mtu;
MTU = requiredNics.Min((i) => int.TryParse(i.IPv4Mtu, out mtu) ? mtu : 1500);
Global.WriteLog("Load Balancer: Negociated MTU = " + MTU);
MSS = (ushort)(MTU - 40);
splash.Stop();
Dependencies.WinPcapInUse.Reset(Dependencies.WinPcapInUse.CurrentCount + 1);
Global.WriteLog("Load Balancer: started");
Global.ShowTrayTip("Load Balancer", "Started", System.Windows.Forms.ToolTipIcon.Info);
Status.Update(State.Running);
new Thread(new ThreadStart(CheckUp)).Start();
return true;
}