| /* |
| * 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.dubbo.registry.client.metadata; |
| |
| import org.apache.dubbo.common.URL; |
| import org.apache.dubbo.common.logger.ErrorTypeAwareLogger; |
| import org.apache.dubbo.common.logger.LoggerFactory; |
| import org.apache.dubbo.common.utils.CollectionUtils; |
| import org.apache.dubbo.metadata.MetadataInfo; |
| import org.apache.dubbo.registry.client.DefaultServiceInstance; |
| import org.apache.dubbo.registry.client.ServiceInstance; |
| import org.apache.dubbo.registry.client.ServiceInstanceCustomizer; |
| import org.apache.dubbo.rpc.model.ApplicationModel; |
| |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.SortedSet; |
| |
| import static org.apache.dubbo.common.constants.LoggerCodeConstants.PROTOCOL_FAILED_INIT_SERIALIZATION_OPTIMIZER; |
| |
| /** |
| * The {@link ServiceInstanceCustomizer} to customize the {@link ServiceInstance#getPort() port} of service instance. |
| */ |
| public class ServiceInstanceHostPortCustomizer implements ServiceInstanceCustomizer { |
| private static final ErrorTypeAwareLogger logger = LoggerFactory.getErrorTypeAwareLogger(ServiceInstanceHostPortCustomizer.class); |
| |
| |
| @Override |
| public void customize(ServiceInstance serviceInstance, ApplicationModel applicationModel) { |
| if (serviceInstance.getPort() > 0) { |
| return; |
| } |
| |
| MetadataInfo metadataInfo = serviceInstance.getServiceMetadata(); |
| if (metadataInfo == null || CollectionUtils.isEmptyMap(metadataInfo.getExportedServiceURLs())) { |
| return; |
| } |
| |
| String host = null; |
| int port = -1; |
| Set<URL> urls = new HashSet<>(); |
| Map<String, SortedSet<URL>> exportedURLS = metadataInfo.getExportedServiceURLs(); |
| for (Map.Entry<String, SortedSet<URL>> entry : exportedURLS.entrySet()) { |
| if (entry.getValue() != null) { |
| urls.addAll(entry.getValue()); |
| } |
| } |
| |
| if (CollectionUtils.isNotEmpty(urls)) { |
| String preferredProtocol = applicationModel.getCurrentConfig().getProtocol(); |
| if (preferredProtocol != null) { |
| for (URL exportedURL : urls) { |
| if (preferredProtocol.equals(exportedURL.getProtocol())) { |
| host = exportedURL.getHost(); |
| port = exportedURL.getPort(); |
| break; |
| } |
| } |
| |
| if (host == null || port == -1) { |
| |
| // 4-2 - Can't find an instance URL using the default preferredProtocol. |
| |
| logger.warn(PROTOCOL_FAILED_INIT_SERIALIZATION_OPTIMIZER, "typo in preferred protocol", "", |
| "Can't find an instance URL using the default preferredProtocol \"" + preferredProtocol + "\", " + |
| "falling back to the strategy that pick the first found protocol. " + |
| "Please try modifying the config of dubbo.application.protocol"); |
| |
| URL url = urls.iterator().next(); |
| host = url.getHost(); |
| port = url.getPort(); |
| } |
| } else { |
| URL url = urls.iterator().next(); |
| host = url.getHost(); |
| port = url.getPort(); |
| } |
| |
| if (serviceInstance instanceof DefaultServiceInstance) { |
| DefaultServiceInstance instance = (DefaultServiceInstance) serviceInstance; |
| instance.setHost(host); |
| instance.setPort(port); |
| } |
| } |
| } |
| } |