public async void Update(Link.Link Link)
{
while (this.locked)
{
await Task.Delay(1);
}
this.locked = true;
Link.Link existingLink = Links.Find(l => l.SourceNode == Link.SourceNode && l.TargetNode == Link.TargetNode); // && l.IPv4InterfaceAddress == Link.IPv4InterfaceAddress);
if (existingLink == null && Link.OperationalStatus)
{
Links.Add(Link);
this.OnLinkUpCallback?.Invoke(Link);
}
else
{
if (Link.OperationalStatus)
{
Links[Links.IndexOf(existingLink)] = Link;
}
else
{
Links.Remove(existingLink);
this.OnLinkDownCallback?.Invoke(Link);
}
}
this.OnLinkUpdateCallback?.Invoke(Link);
this.locked = false;
}
private void ProcessExaBgpBgpLsMessage(JObject data)
{
if ((string)data["type"] == "update")
{
var withdraw = data["neighbor"]["message"]["update"]["withdraw"];
if (withdraw != null)
{
foreach (var item in withdraw["bgp-ls bgp-ls"])
{
switch ((int)item["ls-nlri-type"])
{
case 1:
string psn = (string)item["node-descriptors"]["psn"];
string igp_router_identifier = (string)item["node-descriptors"]["router-id"] + psn;
Node.Node n = new Node.Node()
{
IgpRouterIdentifier = igp_router_identifier,
OperationalStatus = false,
IsPseudonode = !string.IsNullOrWhiteSpace(psn)
};
this.Update(n);
break;
case 2:
string local_node_id = (string)item["local-node-descriptors"]["router-id"] + (string)item["local-node-descriptors"]["psn"];
string remote_node_id = (string)item["remote-node-descriptors"]["router-id"] + (string)item["remote-node-descriptors"]["psn"];
Link.Link l = new Link.Link()
{
SourceNode = local_node_id,
TargetNode = remote_node_id,
OperationalStatus = false
};
this.Update(l);
break;
default:
break;
}
}
}
var announce = data["neighbor"]["message"]["update"]["announce"];
if (announce != null)
{
foreach (var item in announce["bgp-ls bgp-ls"].First.Children())
{
var attribute = data["neighbor"]["message"]["update"]["attribute"];
foreach (var subitem in item.Children())
{
switch ((int)subitem["ls-nlri-type"])
{
case 1:
string psn = (string)subitem["node-descriptors"]["psn"];
string igp_router_identifier = (string)subitem["node-descriptors"]["router-id"] + psn;
Node.Node n = new Node.Node()
{
IgpRouterIdentifier = igp_router_identifier,
OperationalStatus = true,
IsPseudonode = !string.IsNullOrWhiteSpace(psn)
};
if (attribute != null && attribute["bgp-ls"] != null)
{
n.NodeName = (string)attribute["bgp-ls"]["node-name"];
n.IPv4RouterIdentifier = (string)attribute["bgp-ls"]["local-te-router-id"];
}
int psn_number = 0;
int.TryParse(psn, out psn_number);
n.Psn = psn_number;
if (n.IsPseudonode)
{
n.NodeCost = 0;
}
else
{
n.NodeCost = 1;
}
this.Update(n);
break;
case 2:
string local_node_id = (string)subitem["local-node-descriptors"]["router-id"] + (string)subitem["local-node-descriptors"]["psn"];
string remote_node_id = (string)subitem["remote-node-descriptors"]["router-id"] + (string)subitem["remote-node-descriptors"]["psn"];
string interface_address = (string)subitem["interface-address"]["interface-address"];
if (!string.IsNullOrWhiteSpace(interface_address))
{
Link.Link l = new Link.Link()
{
SourceNode = local_node_id,
TargetNode = remote_node_id,
IPv4InterfaceAddress = interface_address,
OperationalStatus = true,
Rtt = long.MaxValue
};
if (attribute != null && attribute["bgp-ls"] != null)
{
l.MaximumLinkBandwidth = (double?)attribute["bgp-ls"]["maximum-link-bandwidth"];
l.MaximumReservableLinkBandwidth = (double?)attribute["bgp-ls"]["maximum-reservable-link-bandwidth"];
l.UnreservedBandwidth = attribute["bgp-ls"]["unreserved-bandwidth"]?.Values <double>().ToArray();
l.SharedRiskLinkGroups = attribute["bgp-ls"]["shared-risk-link-groups"]?.Values <long>().ToArray();
}
if (Regex.IsMatch(l.SourceNode, @"^\d{12}\d+$") || Regex.IsMatch(l.TargetNode, @"^\d{12}\d+$"))
{
l.LinkCost = 0.5;
}
else
{
l.LinkCost = 1;
}
this.Update(l);
}
break;
default:
break;
}
}
}
}
}
}