| /** |
| * 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 org.apache.storm.container.cgroup.core; |
| |
| import java.io.IOException; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import org.apache.storm.container.cgroup.CgroupUtils; |
| import org.apache.storm.container.cgroup.SubSystemType; |
| |
| public class NetPrioCore implements CgroupCore { |
| |
| public static final String NET_PRIO_PRIOIDX = "/net_prio.prioidx"; |
| public static final String NET_PRIO_IFPRIOMAP = "/net_prio.ifpriomap"; |
| |
| private final String dir; |
| |
| public NetPrioCore(String dir) { |
| this.dir = dir; |
| } |
| |
| @Override |
| public SubSystemType getType() { |
| return SubSystemType.net_prio; |
| } |
| |
| public int getPrioId() throws IOException { |
| return Integer.parseInt(CgroupUtils.readFileByLine(CgroupUtils.getDir(this.dir, NET_PRIO_PRIOIDX)).get(0)); |
| } |
| |
| public void setIfPrioMap(String iface, int priority) throws IOException { |
| StringBuilder sb = new StringBuilder(); |
| sb.append(iface); |
| sb.append(' '); |
| sb.append(priority); |
| CgroupUtils.writeFileByLine(CgroupUtils.getDir(this.dir, NET_PRIO_IFPRIOMAP), sb.toString()); |
| } |
| |
| public Map<String, Integer> getIfPrioMap() throws IOException { |
| Map<String, Integer> result = new HashMap<String, Integer>(); |
| List<String> strs = CgroupUtils.readFileByLine(CgroupUtils.getDir(this.dir, NET_PRIO_IFPRIOMAP)); |
| for (String str : strs) { |
| String[] strArgs = str.split(" "); |
| result.put(strArgs[0], Integer.valueOf(strArgs[1])); |
| } |
| return result; |
| } |
| } |