protected override BindingObject BuildBindingObject(IPAddress inetAddr,
DhcpLink clientLink, DhcpMessage requestMsg)
{
V4AddressBindingPool bp =
(V4AddressBindingPool)FindBindingPool(clientLink.GetLink(), inetAddr, requestMsg);
if (bp != null)
{
bp.SetUsed(inetAddr); // TODO check if this is necessary
IaAddress iaAddr = new IaAddress();
iaAddr.SetIpAddress(inetAddr);
V4BindingAddress bindingAddr = new V4BindingAddress(iaAddr, bp);
SetBindingObjectTimes(bindingAddr,
bp.GetPreferredLifetimeMs(), bp.GetPreferredLifetimeMs());
// TODO store the configured options in the persisted binding?
// bindingAddr.setDhcpOptions(bp.getDhcpOptions());
return(bindingAddr);
}
else
{
log.Error("Failed to create V4BindingAddress: No V4BindingPool found for IP=" +
inetAddr.ToString());
}
// MUST have a BindingPool, otherwise something's broke
return(null);
}
/**
* Builds a binding pool from an V4AddressPool using the given link and filter.
*
* @param pool the V4AddressPool to wrap as an V4AddressBindingPool
* @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 V4AddressBindingPool BuildV4BindingPool(v4AddressPool pool, link link,
linkFilter linkFilter)
{
V4AddressBindingPool bp = new V4AddressBindingPool(pool);
long leasetime =
DhcpServerPolicies.EffectivePolicyAsLong(bp, link, Property.V4_DEFAULT_LEASETIME);
bp.SetLeasetime(leasetime);
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 v4 address binding pool: " + bp.GetStartAddress().ToString() + "-" +
bp.GetEndAddress().ToString() + " size=" + bp.GetSize());
return(bp);
}
