public Binding(IdentityAssoc ia, DhcpLink dhcpLink)
{
this.origIa = ia;
// save a reference to the original IA
this.SetDhcpOptions(ia.GetDhcpOptions());
this.SetDuid(ia.GetDuid());
this.SetIaAddresses(ia.GetIaAddresses());
this.SetIaid(ia.GetIaid());
this.SetIatype(ia.GetIatype());
this.SetId(ia.GetId());
this.SetState(ia.GetState());
this.dhcpLink = dhcpLink;
}
/// <summary>
/// Find the current binding, if any, for the given client identity association (IA).
/// </summary>
/// <param name="clientLink">link for the client request message</param>
/// <param name="duid">DUID of the client</param>
/// <param name="iatype">the IAID of the client request</param>
/// <param name="iaid"> IAID of the client request</param>
/// <param name="requestMsg">requestMsg the client request message</param>
/// <returns>return the existing Binding for this client request</returns>
protected Binding FindCurrentBinding(DhcpLink clientLink, byte[] duid, byte iatype, long iaid, DhcpMessage requestMsg)
{
Binding binding = null;
lock (_lock)
{
try
{
IdentityAssoc ia = iaMgr.FindIA(duid, iatype, iaid);
if (ia != null)
{
_log.Info("Found current binding for " + IdentityAssoc.KeyToString(duid, iatype, iaid) + " state=" + ia.GetState());
binding = BuildBindingFromIa(ia, clientLink, requestMsg);
if (binding != null)
{
_log.Info("Successfully built Binding object: " + binding);
}
else
{
_log.Error("Failed to build Binding object");
}
}
else
{
_log.Info("No current binding found for " + IdentityAssoc.KeyToString(duid, iatype, iaid));
}
}
catch (Exception ex)
{
_log.Error("Failed to find current binding");
}
}
return(binding);
}