public void CheckCost(IRouter From, IRouter To, int AdvertisedCost)
{
if (From == null || To == null)
{
throw new ArgumentNullException("Null router given");
}
if (To == this)
{
//Do Nothing
return;
}
/*
* Get the link that the message is from.
* Check that we actually link to it
*/
Link sourcelink;
int cost = AdvertisedCost;
sourcelink = links.FirstOrDefault(link => link.Target() == From);
if (sourcelink == null)
{
throw new ArgumentException("This rouer doesn't link to sending router");
}
/*
* Add local edge cost advertised cost
*/
cost += sourcelink.Cost();
/*
* If this costs less, add it to the routing table
*/
if (LowerCost(To, cost))
{
table[To] = new RoutingTableEntry(AdvertisedCost + sourcelink.Cost(), sourcelink);
}
}
public void CheckCost(IRouter From, IRouter To, int AdvertisedCost)
{
if (From == null || To == null)
{
throw new ArgumentNullException("Null router given");
}
if (To == this)
{
//Do Nothing
return;
}
/*
* Get the link that the message is from.
* Check that we actually link to it
*/
Link sourcelink;
int cost= AdvertisedCost;
sourcelink = links.FirstOrDefault(link => link.Target() == From);
if (sourcelink == null)
{
throw new ArgumentException("This rouer doesn't link to sending router");
}
/*
* Add local edge cost advertised cost
*/
cost += sourcelink.Cost();
/*
* If this costs less, add it to the routing table
*/
if (LowerCost(To, cost))
{
table[To] = new RoutingTableEntry(AdvertisedCost + sourcelink.Cost(), sourcelink);
}
}
/// <summary>
/// Initialize an entry in the routing table from a router
/// </summary>
/// <param name="Target">Router to add with null next hop</param>
private void Initialize(IRouter Target)
{
table[Target] = new RoutingTableEntry(999, null);
}
/// <summary>
/// Initialize an entry in the routing table from a router
/// </summary>
/// <param name="Target">Router to add with null next hop</param>
private void Initialize(IRouter Target)
{
table[Target] = new RoutingTableEntry(999, null);
}
