| /* |
| * 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.foundation.vertx; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.lang.management.ManagementFactory; |
| import java.util.Map; |
| import java.util.concurrent.CompletableFuture; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.apache.commons.io.IOUtils; |
| import org.apache.servicecomb.foundation.common.Holder; |
| import org.apache.servicecomb.foundation.common.concurrent.ConcurrentHashMapEx; |
| import org.apache.servicecomb.foundation.vertx.client.ClientPoolManager; |
| import org.apache.servicecomb.foundation.vertx.client.ClientVerticle; |
| import org.apache.servicecomb.foundation.vertx.stream.BufferInputStream; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import com.netflix.config.DynamicPropertyFactory; |
| |
| import io.netty.buffer.ByteBuf; |
| import io.vertx.core.AbstractVerticle; |
| import io.vertx.core.DeploymentOptions; |
| import io.vertx.core.Verticle; |
| import io.vertx.core.Vertx; |
| import io.vertx.core.VertxOptions; |
| import io.vertx.core.buffer.Buffer; |
| import io.vertx.core.file.impl.FileResolver; |
| import io.vertx.core.impl.VertxBuilder; |
| import io.vertx.core.impl.VertxThread; |
| import io.vertx.core.spi.VertxThreadFactory; |
| |
| /** |
| * VertxUtils |
| * |
| * |
| */ |
| public final class VertxUtils { |
| private static final Logger LOGGER = LoggerFactory.getLogger(VertxUtils.class); |
| |
| private static final long BLOCKED_THREAD_CHECK_INTERVAL = Long.MAX_VALUE / 2; |
| |
| // key为vertx实例名称,以支撑vertx功能分组 |
| private static Map<String, Vertx> vertxMap = new ConcurrentHashMapEx<>(); |
| |
| private VertxUtils() { |
| } |
| |
| public static Map<String, Vertx> getVertxMap() { |
| return vertxMap; |
| } |
| |
| public static <T extends AbstractVerticle> void deployVerticle(Vertx vertx, Class<T> cls, int instanceCount) { |
| DeploymentOptions options = new DeploymentOptions().setInstances(instanceCount); |
| vertx.deployVerticle(cls.getName(), options); |
| } |
| |
| public static <CLIENT_POOL> DeploymentOptions createClientDeployOptions( |
| ClientPoolManager<CLIENT_POOL> clientMgr, |
| int instanceCount) { |
| DeploymentOptions options = new DeploymentOptions().setInstances(instanceCount); |
| SimpleJsonObject config = new SimpleJsonObject(); |
| config.put(ClientVerticle.CLIENT_MGR, clientMgr); |
| options.setConfig(config); |
| |
| return options; |
| } |
| |
| // deploy Verticle and wait for its success. do not call this method in event-loop thread |
| public static <VERTICLE extends Verticle> boolean blockDeploy(Vertx vertx, |
| Class<VERTICLE> cls, |
| DeploymentOptions options) throws InterruptedException { |
| Holder<Boolean> result = new Holder<>(); |
| |
| CountDownLatch latch = new CountDownLatch(1); |
| vertx.deployVerticle(cls.getName(), options, ar -> { |
| result.value = ar.succeeded(); |
| |
| if (ar.failed()) { |
| LOGGER.error("deploy vertx failed, cause ", ar.cause()); |
| } |
| |
| latch.countDown(); |
| }); |
| |
| latch.await(); |
| |
| return result.value; |
| } |
| |
| public static Vertx getOrCreateVertxByName(String name, VertxOptions vertxOptions) { |
| return vertxMap.computeIfAbsent(name, vertxName -> init(vertxName, vertxOptions)); |
| } |
| |
| public static Vertx init(String name, VertxOptions vertxOptions) { |
| if (vertxOptions == null) { |
| vertxOptions = new VertxOptions(); |
| } |
| |
| boolean isDebug = ManagementFactory.getRuntimeMXBean().getInputArguments().toString().contains("jdwp"); |
| if (isDebug) { |
| vertxOptions.setBlockedThreadCheckInterval(BLOCKED_THREAD_CHECK_INTERVAL); |
| LOGGER.info("in debug mode, disable blocked thread check."); |
| } |
| |
| configureVertxFileCaching(vertxOptions); |
| |
| return new VertxBuilder(vertxOptions).threadFactory(new VertxThreadFactory() { |
| @Override |
| public VertxThread newVertxThread(Runnable target, String threadName, boolean worker, long maxExecTime, |
| TimeUnit maxExecTimeUnit) { |
| return VertxThreadFactory.super |
| .newVertxThread(target, name + "-" + threadName, worker, maxExecTime, maxExecTimeUnit); |
| } |
| }).init().vertx(); |
| } |
| |
| /** |
| * 配置vertx的文件缓存功能,默认关闭 |
| */ |
| private static void configureVertxFileCaching(VertxOptions vertxOptions) { |
| boolean disableFileCPResolving = DynamicPropertyFactory.getInstance() |
| .getBooleanProperty(FileResolver.DISABLE_CP_RESOLVING_PROP_NAME, true).get(); |
| vertxOptions.getFileSystemOptions().setClassPathResolvingEnabled(!disableFileCPResolving); |
| } |
| |
| // try to reference byte[] |
| // otherwise copy byte[] |
| public static byte[] getBytesFast(InputStream inputStream) throws IOException { |
| if (inputStream instanceof BufferInputStream) { |
| return getBytesFast(((BufferInputStream) inputStream).getByteBuf()); |
| } |
| |
| return IOUtils.toByteArray(inputStream); |
| } |
| |
| public static byte[] getBytesFast(Buffer buffer) { |
| ByteBuf byteBuf = buffer.getByteBuf(); |
| return getBytesFast(byteBuf); |
| } |
| |
| public static byte[] getBytesFast(ByteBuf byteBuf) { |
| if (byteBuf.hasArray()) { |
| return byteBuf.array(); |
| } |
| |
| byte[] arr = new byte[byteBuf.writerIndex()]; |
| byteBuf.getBytes(0, arr); |
| return arr; |
| } |
| |
| public static CompletableFuture<Void> closeVertxByName(String name) { |
| LOGGER.info("Closing vertx {}.", name); |
| CompletableFuture<Void> future = new CompletableFuture<>(); |
| Vertx vertx = vertxMap.remove(name); |
| if (vertx == null) { |
| LOGGER.info("Vertx {} not exist.", name); |
| future.complete(null); |
| return future; |
| } |
| |
| vertx.close(ar -> { |
| if (ar.succeeded()) { |
| LOGGER.info("Success to close vertx {}.", name); |
| future.complete(null); |
| return; |
| } |
| |
| future.completeExceptionally(ar.cause()); |
| }); |
| return future; |
| } |
| |
| public static void blockCloseVertxByName(String name) { |
| CompletableFuture<Void> future = closeVertxByName(name); |
| try { |
| future.get(); |
| } catch (Throwable e) { |
| LOGGER.error("Failed to wait close vertx {}.", name, e); |
| } |
| } |
| |
| public static void blockCloseVertx(Vertx vertx) { |
| CountDownLatch latch = new CountDownLatch(1); |
| vertx.close(ar -> { |
| if (ar.succeeded()) { |
| LOGGER.info("Success to close vertx {}.", vertx); |
| } else { |
| LOGGER.info("Failed to close vertx {}.", vertx); |
| } |
| |
| latch.countDown(); |
| }); |
| |
| try { |
| latch.await(); |
| } catch (InterruptedException e) { |
| LOGGER.info("Failed to wait close vertx {}.", vertx); |
| } |
| } |
| } |