private void GetMetric()
{
var r = IPNetHelper.GetInterface(IntfIndex);
_defaultInterfaceMetric = r.Metric;
Logger.Debug($"Get Metric on Interface({IntfIndex}): Metric={_defaultInterfaceMetric}");
}
public void SetMtu(uint mtu)
{
Logger.Debug($"Setting MTU on Interface({IntfIndex})");
var r = IPNetHelper.InitInterface(IntfIndex);
r.NlMtu = mtu;
IPNetHelper.SetInterface(r);
}
public void RestoreMetric()
{
Logger.Debug($"Restoring Metric on Interface({IntfIndex})");
var r = IPNetHelper.InitInterface(IntfIndex);
r.Metric = _defaultInterfaceMetric;
r.UseAutomaticMetric = 1;
IPNetHelper.SetInterface(r);
}
public void SetMetric(uint metric)
{
Logger.Debug($"Setting Metric on Interface({IntfIndex})");
var r = IPNetHelper.InitInterface(IntfIndex);
r.Metric = metric;
r.UseAutomaticMetric = 0;
IPNetHelper.SetInterface(r);
}
public VpnRoute()
{
Tunnel = new NetIntf(TapDeviceFunc.GetTapDevice(Program.UserConfig.TapIntfaceName));
var intf = Diagnostic.GetBestInterface(Program.UserConfig.CurrentProfile.ServerIp);
_origin = intf == null ? new NetIntf(IPNetHelper.GetBestIntf(Program.UserConfig.CurrentProfile.ServerIp.ToUInt32())) : new NetIntf(intf);
_chnRouteOn = false;
_originGateway = GetGateway();
}
public void SetIgnoreDefaultRoute(bool setting)
{
Logger.Debug(setting
? $"Ignoring Default Route on Interface({IntfIndex})"
: $"Reverting Default Route on Interface({IntfIndex})");
var r = IPNetHelper.InitInterface(IntfIndex);
r.DisableDefaultRoutes = (byte)(setting ? 1 : 0);
IPNetHelper.SetInterface(r);
}
public void AddRouteEntry(v4addr dest, v4addr mask, v4addr next, uint metric = 0)
{
IPNetHelper.CreateIPForwardEntry(dest.ToUInt32(), mask.ToUInt32(), next.ToUInt32(), IntfIndex,
(int)(metric == 0 ? _defaultInterfaceMetric : _defaultInterfaceMetric + metric));
}
public void DeleteRouteEntry(v4addr dest, v4addr mask, v4addr next)
{
IPNetHelper.DeleteIPForwardEntry(dest.ToUInt32(), mask.ToUInt32(), next.ToUInt32(), IntfIndex);
}
private v4addr GetGatewayFromRouteTable()
{
return((from row in IPNetHelper.GetCurrentForwardTable()
where row.dwForwardDest == 0
select new v4addr(row.dwForwardNextHop)).FirstOrDefault());
}
