public bool Add(IAdapter adapter, InterfaceIPConfiguration ipConfig)
{
if (ipBindings[ipConfig.Address] != null)
{
return(false);
}
ipBindings[ipConfig.Address] = new IPBinding(adapter, ipConfig);
AddInterfaceRoutes(ipConfig);
return(true);
}
private void AddInterfaceRoutes(InterfaceIPConfiguration ipConfig)
{
//
// Add subnet route
//
IPv4Network subnet = new IPv4Network(ipConfig.Address,
ipConfig.NetMask);
routingTable.AddRoute(
new RouteEntry(subnet,
ipConfig.Address,
ipConfig.Address,
RouteEntry.DirectlyConnectedMetric,
RouteEntry.InterfaceRouteTag)
);
//
// Add route to gateway
//
routingTable.AddRoute(
new RouteEntry(ipConfig.Gateway,
ipConfig.Address,
ipConfig.Address,
RouteEntry.DirectlyConnectedMetric,
RouteEntry.InterfaceRouteTag)
);
//
// Add default route if none exists
//
if (routingTable.Lookup(IPv4Network.Default) == null)
{
routingTable.AddRoute(
new RouteEntry(IPv4Network.Default,
ipConfig.Gateway,
ipConfig.Address,
RouteEntry.DefaultRouteMetric,
RouteEntry.InterfaceRouteTag)
);
}
}
private void Flush(InterfaceIPConfiguration ipConfig)
{
DeleteInterfaceRoutes(ipConfig);
ipBindings.Remove(ipConfig.Address);
}
private void DeleteInterfaceRoutes(InterfaceIPConfiguration ipConfig)
{
routingTable.DeleteInterfaceRoutes(ipConfig.Address);
}
public IPBinding(IAdapter ad, InterfaceIPConfiguration ipc)
{
adapter = ad;
ipConfig = ipc;
}
