| /* |
| * 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.lucene.replicator.nrt; |
| |
| import java.io.BufferedReader; |
| import java.io.IOException; |
| import java.io.PrintStream; |
| import java.io.Writer; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| import java.util.regex.Pattern; |
| |
| /** A pipe thread. It'd be nice to reuse guava's implementation for this... */ |
| class ThreadPumper { |
| public static Thread start(final Runnable onExit, final BufferedReader from, final PrintStream to, final Writer toFile, final AtomicBoolean nodeClosing) { |
| Thread t = new Thread() { |
| @Override |
| public void run() { |
| try { |
| long startTimeNS = System.nanoTime(); |
| Pattern logTimeStart = Pattern.compile("^[0-9\\.]+s .*"); |
| String line; |
| while ((line = from.readLine()) != null) { |
| if (toFile != null) { |
| toFile.write(line); |
| toFile.write("\n"); |
| toFile.flush(); |
| } else if (logTimeStart.matcher(line).matches()) { |
| // Already a well-formed log output: |
| System.out.println(line); |
| } else { |
| TestStressNRTReplication.message(line, startTimeNS); |
| } |
| if (line.contains("now force close server socket after")) { |
| nodeClosing.set(true); |
| } |
| } |
| // Sub-process finished |
| } catch (IOException e) { |
| System.err.println("ignore IOExc reading from forked process pipe: " + e); |
| } finally { |
| onExit.run(); |
| } |
| } |
| }; |
| t.start(); |
| return t; |
| } |
| } |