| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you 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 com.cloud.agent.dhcp; |
| |
| import java.net.InetAddress; |
| import java.net.UnknownHostException; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Queue; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.concurrent.ConcurrentLinkedQueue; |
| |
| import javax.naming.ConfigurationException; |
| |
| import org.apache.log4j.Logger; |
| |
| import com.cloud.utils.Pair; |
| import com.cloud.utils.net.NetUtils; |
| |
| public class FakeDhcpSnooper implements DhcpSnooper { |
| private static final Logger s_logger = Logger.getLogger(FakeDhcpSnooper.class); |
| private Queue<String> _ipAddresses = new ConcurrentLinkedQueue<String>(); |
| private Map<String, String> _macIpMap = new ConcurrentHashMap<String, String>(); |
| private Map<String, InetAddress> _vmIpMap = new ConcurrentHashMap<String, InetAddress>(); |
| |
| @Override |
| public boolean configure(String name, Map<String, Object> params) throws ConfigurationException { |
| String guestIpRange = (String)params.get("guest.ip.range"); |
| if (guestIpRange != null) { |
| String[] guestIps = guestIpRange.split("-"); |
| if (guestIps.length == 2) { |
| long start = NetUtils.ip2Long(guestIps[0]); |
| long end = NetUtils.ip2Long(guestIps[1]); |
| while (start <= end) { |
| _ipAddresses.offer(NetUtils.long2Ip(start++)); |
| } |
| } |
| } |
| return true; |
| } |
| |
| @Override |
| public boolean start() { |
| return true; |
| } |
| |
| @Override |
| public String getName() { |
| return "FakeDhcpSnooper"; |
| } |
| |
| @Override |
| public InetAddress getIPAddr(String macAddr, String vmName) { |
| String ipAddr = _ipAddresses.poll(); |
| if (ipAddr == null) { |
| s_logger.warn("No ip addresses left in queue"); |
| return null; |
| } |
| try { |
| InetAddress inetAddr = InetAddress.getByName(ipAddr); |
| _macIpMap.put(macAddr.toLowerCase(), ipAddr); |
| _vmIpMap.put(vmName, inetAddr); |
| s_logger.info("Got ip address " + ipAddr + " for vm " + vmName + " mac=" + macAddr.toLowerCase()); |
| return inetAddr; |
| } catch (UnknownHostException e) { |
| s_logger.warn("Failed to get InetAddress for " + ipAddr); |
| return null; |
| } |
| } |
| |
| @Override |
| public void cleanup(String macAddr, String vmName) { |
| try { |
| if (macAddr == null) { |
| return; |
| } |
| InetAddress inetAddr = _vmIpMap.remove(vmName); |
| String ipAddr = inetAddr.getHostName(); |
| for (Map.Entry<String, String> entry : _macIpMap.entrySet()) { |
| if (entry.getValue().equalsIgnoreCase(ipAddr)) { |
| macAddr = entry.getKey(); |
| break; |
| } |
| } |
| ipAddr = _macIpMap.remove(macAddr); |
| |
| s_logger.info("Cleaning up for mac address: " + macAddr + " ip=" + ipAddr + " inetAddr=" + inetAddr); |
| if (ipAddr != null) { |
| _ipAddresses.offer(ipAddr); |
| } |
| } catch (Exception e) { |
| s_logger.debug("Failed to cleanup: " + e.toString()); |
| } |
| } |
| |
| @Override |
| public Map<String, InetAddress> syncIpAddr() { |
| return _vmIpMap; |
| } |
| |
| @Override |
| public boolean stop() { |
| return false; |
| } |
| |
| @Override |
| public void initializeMacTable(List<Pair<String, String>> macVmNameList) { |
| |
| } |
| |
| @Override |
| public InetAddress getDhcpServerIP() { |
| // TODO Auto-generated method stub |
| return null; |
| } |
| |
| @Override |
| public void setName(String name) { |
| // TODO Auto-generated method stub |
| |
| } |
| |
| @Override |
| public void setConfigParams(Map<String, Object> params) { |
| // TODO Auto-generated method stub |
| |
| } |
| |
| @Override |
| public Map<String, Object> getConfigParams() { |
| // TODO Auto-generated method stub |
| return null; |
| } |
| |
| @Override |
| public int getRunLevel() { |
| // TODO Auto-generated method stub |
| return 0; |
| } |
| |
| @Override |
| public void setRunLevel(int level) { |
| // TODO Auto-generated method stub |
| |
| } |
| |
| } |