/**
* Instantiates a new binding pool.
*
* @param pool the pool
*
* @throws DhcpServerConfigException if the AddressPool definition is invalid
*/
public V6AddressBindingPool(v6AddressPool pool)
{
this.pool = pool;
//this._assignDhcpV6Rule = pool.assignDhcpv6Rule;
try
{
this.range = new Range(pool.range);
}
catch (Exception ex)
{
log.Error("Invalid AddressPool definition");
throw new Exception("Invalid AddressPool definition", ex);
}
//catch (UnknownHostException ex)
//{
// log.error("Invalid AddressPool definition", ex);
// throw new DhcpServerConfigException("Invalid AddressPool definition", ex);
//}
freeList =
new FreeList(new BigInteger(range.GetStartAddress().GetAddressBytes()),
new BigInteger(range.GetEndAddress().GetAddressBytes()));
//reaper = new Timer(pool.getRange() + "_Reaper");
dhcpConfigOptions = new DhcpV6ConfigOptions(pool.addrConfigOptions);
}
/**
* Builds a binding pool from an AddressPool using the given link.
*
* @param pool the AddressPool to wrap as an AddressBindingPool
* @param link the link
*
* @return the binding pool
*
* @throws DhcpServerConfigException if there is a problem parsing the configured range
*/
private V6AddressBindingPool BuildV6BindingPool(v6AddressPool pool, link link, linkFilter linkFilter)
{
Debug.Assert(CheckIPIsUsed != null, "V6AddrBindingManager --BuildV6BindingPool-- CheckIPIsUsed = null");
V6AddressBindingPool bp = new V6AddressBindingPool(pool);
long pLifetime = long.Parse(Property.PREFERRED_LIFETIME.Value());
// DhcpServerPolicies.EffectivePolicyAsLong(bp, link, Property.PREFERRED_LIFETIME);
bp.SetPreferredLifetime(pLifetime);
long vLifetime = long.Parse(Property.VALID_LIFETIME.Value());
// DhcpServerPolicies.EffectivePolicyAsLong(bp, link, Property.VALID_LIFETIME);
bp.SetValidLifetime(vLifetime);
bp.SetLinkFilter(linkFilter);
bp.CheckIPIsUsed = CheckIPIsUsed;
List <IPAddress> usedIps = null;// 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 address binding pool: " + bp.GetStartAddress().ToString() + "-" +
bp.GetEndAddress().ToString());
return(bp);
}
protected bool AllIaAddrsOnLink(DhcpV6IaNaOption dhcpIaNaOption, DhcpLink clientLink)
{
bool onLink = true;
// assume all IPs are on link
if ((dhcpIaNaOption != null))
{
List <DhcpV6IaAddrOption> iaAddrOpts = dhcpIaNaOption.GetIaAddrOptions();
if ((iaAddrOpts != null))
{
foreach (DhcpV6IaAddrOption iaAddrOpt in iaAddrOpts)
{
if (this.clientLink.GetSubnet().GetSubnetAddress().IsIPv6LinkLocal)
{
// if the Link address is link-local, then check if the
// address is within one of the pools configured for this
// local Link, which automatically makes this server
// "authoritative" (in ISC parlance) for this local net
v6AddressPool p = DhcpServerConfiguration.FindNaAddrPool(this.clientLink.GetLink(), iaAddrOpt.GetInetAddress());
if ((p == null))
{
log.Info(("No local address pool found for requested IA_NA: " + (iaAddrOpt.ToString() + " - considered to be off link")));
iaAddrOpt.SetPreferredLifetime(0);
iaAddrOpt.SetValidLifetime(0);
onLink = false;
}
}
else
{
// it the Link address is remote, then check
// if the address is valid for that link
if (!this.clientLink.GetSubnet().Contains(iaAddrOpt.GetInetAddress()))
{
log.Info("Setting zero(0) lifetimes for off link address: " + iaAddrOpt.GetIpAddress());
iaAddrOpt.SetPreferredLifetime(0);
iaAddrOpt.SetValidLifetime(0);
onLink = false;
}
}
}
}
}
return(onLink);
}
/**
* Builds a binding pool from an AddressPool using the given link.
*
* @param pool the AddressPool to wrap as an AddressBindingPool
* @param link the link
*
* @return the binding pool
*
* @throws DhcpServerConfigException if there is a problem parsing the configured range
*/
protected V6AddressBindingPool BuildV6BindingPool(v6AddressPool pool, link link)
{
return(BuildV6BindingPool(pool, link, null));
}
/**
* Sets the pool.
*
* @param pool the new pool
*/
public void SetV6AddressPool(v6AddressPool pool)
{
this.pool = pool;
}
