| // 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.consoleproxy; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.Comparator; |
| import java.util.List; |
| import java.util.Map; |
| |
| import javax.naming.ConfigurationException; |
| |
| import com.cloud.utils.component.AdapterBase; |
| import com.cloud.vm.ConsoleProxy; |
| |
| public class ConsoleProxyBalanceAllocator extends AdapterBase implements ConsoleProxyAllocator { |
| |
| @Override |
| public Long allocProxy(List<? extends ConsoleProxy> candidates, final Map<Long, Integer> loadInfo, long dataCenterId) { |
| List<ConsoleProxy> allocationList = new ArrayList<ConsoleProxy>(candidates); |
| |
| Collections.sort(candidates, new Comparator<ConsoleProxy>() { |
| @Override |
| public int compare(ConsoleProxy x, ConsoleProxy y) { |
| Integer loadOfX = loadInfo.get(x.getId()); |
| Integer loadOfY = loadInfo.get(y.getId()); |
| |
| if (loadOfX != null && loadOfY != null) { |
| if (loadOfX < loadOfY) |
| return -1; |
| else if (loadOfX > loadOfY) |
| return 1; |
| return 0; |
| } else if (loadOfX == null && loadOfY == null) { |
| return 0; |
| } else { |
| if (loadOfX == null) |
| return -1; |
| return 1; |
| } |
| } |
| }); |
| |
| return (allocationList.size() > 0) ? allocationList.get(0).getId() : null; |
| } |
| |
| @Override |
| public boolean configure(String name, Map<String, Object> params) throws ConfigurationException { |
| return true; |
| } |
| |
| @Override |
| public boolean start() { |
| return true; |
| } |
| |
| @Override |
| public boolean stop() { |
| return true; |
| } |
| } |