Exemplo n.º 1
0
        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);
            }
        }
Exemplo n.º 2
0
        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);
            }
        }
Exemplo n.º 3
0
 /// <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);
 }
Exemplo n.º 4
0
 /// <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);
 }