/**
* 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.alibaba.jstorm.container.cgroup.core;
import java.io.IOException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import com.alibaba.jstorm.container.CgroupUtils;
import com.alibaba.jstorm.container.Constants;
import com.alibaba.jstorm.container.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() {
// TODO Auto-generated method stub
return SubSystemType.net_prio;
}
public int getPrioId() throws IOException {
return Integer.parseInt(CgroupUtils.readFileByLine(Constants.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(Constants.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(Constants.getDir(this.dir, NET_PRIO_IFPRIOMAP));
for (String str : strs) {
String[] strArgs = str.split(" ");
result.put(strArgs[0], Integer.valueOf(strArgs[1]));
}
return result;
}
}