public void AddStartingBranch(string to, int cost)
{
int difference;
RouterData neighbor = null;
bool found = false;
foreach (RouterData data in table)
{
if (data.to == to)
{
found = true;
difference = cost - data.cost;
data.cost = cost;
neighbor = FindNeighbor(to);
neighbor.cost = cost;
UpdateCosts(data.from, difference);
break;
}
}
if (!found)
{
neighbors.Add(new RouterData(name, to, to, cost));
table.Add(new RouterData(name, to, to, cost));
}
}
public void AddBranch(RouterData newData)
{
RouterData data, oldData;
if (newData.from != name)
{
if (newData.to != name)
{
oldData = FindBranch(newData.to);
if (oldData != null)
{
if (oldData.cost > newData.cost)
{
data = FindBranch(newData.owner);
if (oldData.cost > newData.cost + data.cost)
{
oldData.cost = newData.cost + data.cost;
oldData.from = data.from;
}
}
else if (oldData.to == newData.to && oldData.from == newData.owner)
{
data = FindBranch(newData.owner);
oldData.cost = newData.cost + data.cost;
foreach (RouterData neighbor in neighbors)
{
if (oldData.to == neighbor.to)
{
if (oldData.cost >= neighbor.cost)
{
oldData.cost = neighbor.cost;
oldData.from = neighbor.from;
}
break;
}
}
}
}
else
{
data = FindBranch(newData.owner);
table.Add(new RouterData(name, data.from, newData.to, newData.cost + data.cost));
}
}
else
{
if (newData.to == newData.from)
{
int difference;
oldData = FindBranch(newData.owner);
if (oldData != null)
{
difference = newData.cost - oldData.cost;
oldData.cost = newData.cost;
UpdateCosts(oldData.from, difference);
}
else
{
table.Add(new RouterData(name, newData.owner, newData.owner, newData.cost));
}
}
}
}
}