| /* |
| * 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; |
| |
| import java.io.BufferedReader; |
| import java.io.IOException; |
| import java.io.InputStreamReader; |
| import java.nio.charset.StandardCharsets; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.apache.servicecomb.core.SCBEngine; |
| import org.apache.servicecomb.core.SCBStatus; |
| import org.apache.servicecomb.foundation.common.utils.JsonUtils; |
| import org.apache.servicecomb.registry.RegistrationManager; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import com.fasterxml.jackson.databind.JsonNode; |
| import com.fasterxml.jackson.databind.node.TextNode; |
| |
| public class CommandReceiver { |
| private static final Logger LOGGER = LoggerFactory.getLogger(CommandReceiver.class); |
| |
| public CommandReceiver() { |
| Thread thread = new Thread(this::run, "it-command-receiver"); |
| thread.setDaemon(true); |
| thread.start(); |
| } |
| |
| public void run() { |
| try { |
| doRun(); |
| } catch (Throwable e) { |
| e.printStackTrace(); |
| } |
| } |
| |
| private void doRun() throws IOException { |
| BufferedReader reader = new BufferedReader(new InputStreamReader(System.in, StandardCharsets.UTF_8)); |
| String line; |
| while ((line = reader.readLine()) != null) { |
| try { |
| JsonNode cmd = JsonUtils.OBJ_MAPPER.readTree(line); |
| dispatchCommand(cmd); |
| } catch (Throwable e) { |
| LOGGER.error("Failed to execute command: {}", line, e); |
| } |
| } |
| reader.close(); |
| } |
| |
| private void dispatchCommand(JsonNode cmd) { |
| LOGGER.info("dispatch command: {}", cmd); |
| if (TextNode.class.isInstance(cmd)) { |
| onStringCommand(cmd.asText()); |
| return; |
| } |
| |
| throw new UnsupportedOperationException(cmd.toString()); |
| } |
| |
| protected void onStringCommand(String command) { |
| switch (command) { |
| case "ms-stop": |
| stop(); |
| break; |
| default: |
| throw new UnsupportedOperationException(command); |
| } |
| } |
| |
| protected void stop() { |
| new Thread(() -> { |
| for (; ; ) { |
| SCBEngine.getInstance().destroy(); |
| if (ITBootListener.isDone() && SCBStatus.DOWN.equals(SCBEngine.getInstance().getStatus())) { |
| LOGGER.info("succeed to close " + RegistrationManager.INSTANCE.getMicroservice().getServiceName()); |
| break; |
| } |
| ITUtils.forceWait(TimeUnit.SECONDS, 1); |
| } |
| |
| //make sure kill for servlet |
| System.exit(0); |
| }, "it-stop").start(); |
| } |
| } |