| /* |
| * 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.servicecomb.it.deploy; |
| |
| import java.io.BufferedInputStream; |
| import java.io.BufferedReader; |
| import java.io.Closeable; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.InputStreamReader; |
| import java.nio.charset.StandardCharsets; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.apache.servicecomb.it.ITUtils; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class SubProcessLogger implements Closeable { |
| private static final Logger LOGGER = LoggerFactory.getLogger(SubProcessLogger.class); |
| |
| private final String displayName; |
| |
| private final BufferedReader reader; |
| |
| private final String startCompleteLog; |
| |
| private final Thread thread; |
| |
| private volatile boolean startCompleted; |
| |
| private List<String> logs = new ArrayList<>(); |
| |
| public SubProcessLogger(String displayName, InputStream inputStream, String startCompleteLog) { |
| this.displayName = displayName; |
| this.startCompleteLog = startCompleteLog; |
| |
| BufferedInputStream bufferedInputStream = new BufferedInputStream(inputStream); |
| this.reader = new BufferedReader(new InputStreamReader(bufferedInputStream, StandardCharsets.UTF_8)); |
| |
| thread = new Thread(this::run, "SubProcessLogger-" + displayName); |
| thread.start(); |
| } |
| |
| private void run() { |
| try { |
| doRun(); |
| } catch (IOException e) { |
| LOGGER.error("Failed to read log.", e); |
| } |
| } |
| |
| private void doRun() throws IOException { |
| String line; |
| while ((line = reader.readLine()) != null) { |
| logs.add(String.format("[%s] %s", displayName, line)); |
| |
| checkStartComplete(line); |
| } |
| } |
| |
| public List<String> getAndClearLog() { |
| List<String> old = logs; |
| logs = new ArrayList<>(); |
| return old; |
| } |
| |
| private void checkStartComplete(String line) { |
| if (startCompleted || startCompleteLog == null) { |
| return; |
| } |
| |
| startCompleted = line.contains(startCompleteLog); |
| } |
| |
| public boolean isStartCompleted() { |
| return startCompleted; |
| } |
| |
| public void waitStartComplete() { |
| if (startCompleteLog == null) { |
| throw new IllegalStateException( |
| String.format("[%s] not set startCompleteLog, can not wait start complete.", displayName)); |
| } |
| |
| LOGGER.info("waiting {} start.", displayName); |
| long startTime = System.currentTimeMillis(); |
| for (; ; ) { |
| if (startCompleted) { |
| LOGGER.info("{} start completed.", displayName); |
| return; |
| } |
| |
| if (System.currentTimeMillis() - startTime > TimeUnit.MINUTES.toMillis(1)) { |
| throw new IllegalStateException(String.format("[%s] timeout to wait for start complete.", displayName)); |
| } |
| |
| ITUtils.forceWait(TimeUnit.MILLISECONDS, 500); |
| } |
| } |
| |
| @Override |
| public void close() throws IOException { |
| reader.close(); |
| thread.interrupt(); |
| } |
| } |