/**
* Copyright (C) 2014-2016 LinkedIn Corp. (pinot-core@linkedin.com)
*
* 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 com.linkedin.pinot.index.reader;
import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.InputStreamReader;
public class FileReaderTestUtils {
public static int getNumOpenFiles(File f) throws IOException {
Process plsof = new ProcessBuilder(new String[] { "lsof" }).start();
BufferedReader plsofReader = new BufferedReader(new InputStreamReader(plsof.getInputStream()));
String line;
int numOpenFiles = 0;
while ((line = plsofReader.readLine()) != null) {
if (line.contains(f.getAbsolutePath())) {
//System.out.println(line);
numOpenFiles++;
}
}
plsofReader.close();
plsof.destroy();
return numOpenFiles;
}
}