/*
* Copyright 2011 Future Systems
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.krakenapps.dhcp.server;
import org.krakenapps.dhcp.DhcpMessage;
import org.krakenapps.dhcp.MacAddress;
import org.krakenapps.dhcp.model.DhcpIpLease;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
class DhcpReleaseHandler {
private final Logger logger = LoggerFactory.getLogger(DhcpReleaseHandler.class.getName());
private DhcpServerContext c;
public DhcpReleaseHandler(DhcpServerContext c) {
this.c = c;
}
public void handle(DhcpMessage msg) {
DhcpIpLease lease = c.leaseMap.get(msg.getClientAddress());
if (lease == null)
return;
MacAddress mac = msg.getClientMac();
if (lease.getMac().equals(mac)) {
DhcpDatabase.removeIpLease(lease);
c.leaseMap.remove(msg.getClientAddress());
String ip = msg.getClientAddress().getHostAddress();
logger.trace("kraken dhcp: released ip={}, mac={}", ip, mac);
}
}
}