public Nod()
{
Id = string.Empty;
IsSuperPeer = false;
Chain = -1;
Ring = -1;
Status = new Neighbour();
Content = CreateContnt();
}
public Nod(int chain, int ring, bool flag)
{
Chain = chain;
Ring = ring;
Id = chain.ToString() + "-" + ring.ToString() + " ";
Content = CreateContnt();
if (flag == true)
{
IsSuperPeer = true;
}
else
{
IsSuperPeer = false;
}
Status = new Neighbour();
}
public void JoinOverlay(Nod existingNode)
{
Nod newNode = new Nod();
if (this.Peers.Count == 1)
{
// join with the SP
newNode.Chain = 1;
newNode.Ring = 1;
newNode.Id = newNode.Chain.ToString() + "-" + newNode.Ring.ToString() + " ";
newNode.Status = new Neighbour(false, true, false, false);
if (!IsNodeInOverlay(newNode))
{
Peers.Add(newNode);
}
}
else
{
//rest of the cases
Neighbour status = existingNode.GetStatus();
if (!status.left)
{
if (existingNode.Chain + 1 > NrChains)
{
newNode.Chain = existingNode.Chain + 1 - NrChains;
}
else
{
newNode.Chain = existingNode.Chain + 1;
}
newNode.Ring = existingNode.Ring;
newNode.Id = newNode.Chain.ToString() + "-" + newNode.Ring.ToString() + " ";
if (newNode.Chain == NrChains)
{
newNode.Status = new Neighbour(false, true, true, true);
}
else
{
newNode.Status = new Neighbour(false, true, false, true);
}
//existingNode.status.left = true;
Peers.Where(item => item.Id == existingNode.Id).ToList().ForEach(s => s.Status.left = true);
if (!IsNodeInOverlay(newNode))
{
Peers.Add(newNode);
}
}
else
{
if (!status.right)
{
if (existingNode.Chain - 1 == 0)
{
newNode.Chain = NrChains;
}
else
{
newNode.Chain = existingNode.Chain - 1;
}
newNode.Ring = existingNode.Ring;
newNode.Id = newNode.Chain.ToString() + "-" + newNode.Ring.ToString() + " ";
if (newNode.Chain == NrChains)
{
newNode.Status = new Neighbour(false, true, true, true);
}
else
{
newNode.Status = new Neighbour(false, true, false, true);
}
Peers.Where(item => item.Id == existingNode.Id).ToList().ForEach(s => s.Status.right = true);
//existingNode.status.right = true;
if (!IsNodeInOverlay(newNode))
{
Peers.Add(newNode);
}
}
else
{
if (!status.up)
{
newNode.Chain = existingNode.Chain;
newNode.Ring = existingNode.Ring + 1;
newNode.Id = newNode.Chain.ToString() + "-" + newNode.Ring.ToString() + " ";
newNode.Status = new Neighbour(false, true, false, false);
Peers.Where(item => item.Id == existingNode.Id).ToList().ForEach(s => s.Status.up = true);
//existingNode.status.up = true;
if (!IsNodeInOverlay(newNode))
{
Peers.Add(newNode);
}
}
}
}
}
LastNode = newNode;
}