/**
* Build a BindingPrefix for the given InetAddress and Link.
*
* @param inetAddr the inet addr
* @param clientLink the client link
* @param requestMsg the request msg
*
* @return the binding address
*/
protected override BindingObject BuildBindingObject(IPAddress inetAddr,
DhcpLink clientLink, DhcpMessage requestMsg)
{
V6PrefixBindingPool bp =
(V6PrefixBindingPool)FindBindingPool(clientLink.GetLink(), inetAddr, requestMsg);
if (bp != null)
{
bp.SetUsed(inetAddr); // TODO check if this is necessary
IaPrefix iaPrefix = new IaPrefix();
iaPrefix.SetIpAddress(inetAddr);
iaPrefix.SetPrefixLength((short)bp.GetAllocPrefixLen());
V6BindingPrefix bindingPrefix = new V6BindingPrefix(iaPrefix, bp);
SetBindingObjectTimes(bindingPrefix,
bp.GetPreferredLifetimeMs(), bp.GetPreferredLifetimeMs());
// TODO store the configured options in the persisted binding?
// bindingPrefix.setDhcpOptions(bp.getDhcpOptions());
return(bindingPrefix);
}
else
{
log.Error("Failed to create BindingPrefix: No BindingPool found for IP=" +
inetAddr.ToString());
}
// MUST have a BindingPool, otherwise something's broke
return(null);
}
/**
* Builds a binding pool from an PrefixPool using the given link and filter.
*
* @param pool the AddressPool to wrap as an PrefixBindingPool
* @param link the link
* @param linkFilter the link filter
*
* @return the binding pool
*
* @throws DhcpServerConfigException if there is a problem parsing the configured range
*/
protected V6PrefixBindingPool BuildV6BindingPool(v6PrefixPool pool, link link,
linkFilter linkFilter)
{
V6PrefixBindingPool bp = new V6PrefixBindingPool(pool);
long pLifetime =
DhcpServerPolicies.EffectivePolicyAsLong(bp, link, Property.PREFERRED_LIFETIME);
bp.SetPreferredLifetime(pLifetime);
long vLifetime =
DhcpServerPolicies.EffectivePolicyAsLong(bp, link, Property.VALID_LIFETIME);
bp.SetValidLifetime(vLifetime);
bp.SetLinkFilter(linkFilter);
List <IPAddress> usedIps = iaMgr.FindExistingIPs(bp.GetStartAddress(), bp.GetEndAddress());
if ((usedIps != null) && usedIps.Count > 0)
{
foreach (IPAddress ip in usedIps)
{
//TODO: for the quickest startup?...
// set IP as used without checking if the binding has expired
// let the reaper thread deal with all binding cleanup activity
bp.SetUsed(ip);
}
}
log.Info("Built prefix binding pool: " + bp.GetStartAddress().ToString() + "-" +
bp.GetEndAddress().ToString() + ", size=" + bp.GetSize());
return(bp);
}