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);
}
/**
* Build the list of V4AddressBindingPools from the list of configured V4AddressPools
* for the given configuration link container object. The list of V4AddressBindingPools
* starts with the filtered V4AddressPools followed by non-filtered V4AddressPools.
*
* @param link the configuration link object
*
* @return the list of V4AddressBindingPools (<? extends BindingPool>)
*
* @throws DhcpServerConfigException if there is a problem parsing a configured range
*/
protected override List <BindingPool> BuildBindingPools(link link)
{
Debug.Assert(CheckIPIsUsed != null, "V4AddrBindingManagerImpl --BuildBindingPools-- CheckIPIsUsed = null");
List <BindingPool> bindingPools = new List <BindingPool>();
// Put the filtered pools first in the list of pools on this link
List <linkFilter> linkFilters = link.linkFilters;
if ((linkFilters != null) && linkFilters.Count > 0)
{
foreach (linkFilter linkFilter in linkFilters)
{
List <v4AddressPool> pools = linkFilter.v4AddrPools;
if ((pools != null) && pools.Count > 0)
{
foreach (v4AddressPool pool in pools)
{
V4AddressBindingPool abp = BuildV4BindingPool(pool, link, linkFilter);
abp.CheckIPIsUsed = CheckIPIsUsed;
bindingPools.Add(abp);
}
}
else
{
log.Error("PoolList is null for PoolsType");
}
}
}
// add the unfiltered pools to the mapped list
List <v4AddressPool> unpools = link.v4AddrPools;
if ((unpools != null) && unpools.Count > 0)
{
foreach (v4AddressPool pool in unpools)
{
V4AddressBindingPool abp = BuildV4BindingPool(pool, link);
abp.CheckIPIsUsed = CheckIPIsUsed;
bindingPools.Add(abp);
}
}
else
{
log.Error("PoolList is null for PoolsType");
}
ReconcilePools(bindingPools);
return(bindingPools);
}