org.apache.dubbo.registry.client.metadata.store.RemoteMetadataServiceImpl Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of dubbo Show documentation
Show all versions of dubbo Show documentation
The all in one project of dubbo
/*
* 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.store;
import org.apache.dubbo.common.URL;
import org.apache.dubbo.common.logger.Logger;
import org.apache.dubbo.common.logger.LoggerFactory;
import org.apache.dubbo.common.utils.StringUtils;
import org.apache.dubbo.metadata.MetadataInfo;
import org.apache.dubbo.metadata.WritableMetadataService;
import org.apache.dubbo.metadata.definition.ServiceDefinitionBuilder;
import org.apache.dubbo.metadata.definition.model.FullServiceDefinition;
import org.apache.dubbo.metadata.report.MetadataReport;
import org.apache.dubbo.metadata.report.MetadataReportInstance;
import org.apache.dubbo.metadata.report.identifier.MetadataIdentifier;
import org.apache.dubbo.metadata.report.identifier.SubscriberMetadataIdentifier;
import org.apache.dubbo.registry.client.ServiceInstance;
import org.apache.dubbo.registry.client.metadata.ServiceInstanceMetadataUtils;
import org.apache.dubbo.remoting.Constants;
import org.apache.dubbo.rpc.RpcException;
import java.util.Map;
import static org.apache.dubbo.common.constants.CommonConstants.APPLICATION_KEY;
import static org.apache.dubbo.common.constants.CommonConstants.CONSUMER_SIDE;
import static org.apache.dubbo.common.constants.CommonConstants.GROUP_KEY;
import static org.apache.dubbo.common.constants.CommonConstants.INTERFACE_KEY;
import static org.apache.dubbo.common.constants.CommonConstants.PID_KEY;
import static org.apache.dubbo.common.constants.CommonConstants.PROVIDER_SIDE;
import static org.apache.dubbo.common.constants.CommonConstants.SIDE_KEY;
import static org.apache.dubbo.common.constants.CommonConstants.TIMESTAMP_KEY;
import static org.apache.dubbo.common.constants.CommonConstants.VERSION_KEY;
import static org.apache.dubbo.common.constants.RegistryConstants.REGISTRY_CLUSTER_KEY;
public class RemoteMetadataServiceImpl {
protected final Logger logger = LoggerFactory.getLogger(getClass());
private WritableMetadataService localMetadataService;
public RemoteMetadataServiceImpl(WritableMetadataService writableMetadataService) {
this.localMetadataService = writableMetadataService;
}
public Map getMetadataReports() {
return MetadataReportInstance.getMetadataReports(false);
}
public void publishMetadata(String serviceName) {
Map metadataInfos = localMetadataService.getMetadataInfos();
metadataInfos.forEach((registryCluster, metadataInfo) -> {
if (!metadataInfo.hasReported()) {
SubscriberMetadataIdentifier identifier = new SubscriberMetadataIdentifier(serviceName, metadataInfo.calAndGetRevision());
metadataInfo.getExtendParams().put(REGISTRY_CLUSTER_KEY, registryCluster);
MetadataReport metadataReport = getMetadataReports().get(registryCluster);
if (metadataReport == null) {
metadataReport = getMetadataReports().entrySet().iterator().next().getValue();
}
logger.info("Publishing metadata to " + metadataReport.getClass().getSimpleName());
if (logger.isDebugEnabled()) {
logger.debug(metadataInfo.toString());
}
metadataReport.publishAppMetadata(identifier, metadataInfo);
metadataInfo.markReported();
}
});
}
public MetadataInfo getMetadata(ServiceInstance instance) {
SubscriberMetadataIdentifier identifier = new SubscriberMetadataIdentifier(instance.getServiceName(),
ServiceInstanceMetadataUtils.getExportedServicesRevision(instance));
String registryCluster = instance.getExtendParams().get(REGISTRY_CLUSTER_KEY);
MetadataReport metadataReport = getMetadataReports().get(registryCluster);
if (metadataReport == null) {
metadataReport = getMetadataReports().entrySet().iterator().next().getValue();
}
return metadataReport.getAppMetadata(identifier, instance.getExtendParams());
}
public void publishServiceDefinition(URL url) {
String side = url.getParameter(SIDE_KEY);
if (PROVIDER_SIDE.equalsIgnoreCase(side)) {
//TODO, the params part is duplicate with that stored by exportURL(url), can be further optimized in the future.
publishProvider(url);
} else {
//TODO, only useful for ops showing the url parameters, this is duplicate with subscribeURL(url), can be removed in the future.
publishConsumer(url);
}
}
private void publishProvider(URL providerUrl) throws RpcException {
//first add into the list
// remove the individual param
providerUrl = providerUrl.removeParameters(PID_KEY, TIMESTAMP_KEY, Constants.BIND_IP_KEY,
Constants.BIND_PORT_KEY, TIMESTAMP_KEY);
try {
String interfaceName = providerUrl.getParameter(INTERFACE_KEY);
if (StringUtils.isNotEmpty(interfaceName)) {
Class interfaceClass = Class.forName(interfaceName);
FullServiceDefinition fullServiceDefinition = ServiceDefinitionBuilder.buildFullDefinition(interfaceClass,
providerUrl.getParameters());
for (Map.Entry entry : getMetadataReports().entrySet()) {
MetadataReport metadataReport = entry.getValue();
metadataReport.storeProviderMetadata(new MetadataIdentifier(providerUrl.getServiceInterface(),
providerUrl.getParameter(VERSION_KEY), providerUrl.getParameter(GROUP_KEY),
PROVIDER_SIDE, providerUrl.getParameter(APPLICATION_KEY)), fullServiceDefinition);
}
return;
}
logger.error("publishProvider interfaceName is empty . providerUrl: " + providerUrl.toFullString());
} catch (ClassNotFoundException e) {
//ignore error
logger.error("publishProvider getServiceDescriptor error. providerUrl: " + providerUrl.toFullString(), e);
}
}
private void publishConsumer(URL consumerURL) throws RpcException {
final URL url = consumerURL.removeParameters(PID_KEY, TIMESTAMP_KEY, Constants.BIND_IP_KEY,
Constants.BIND_PORT_KEY, TIMESTAMP_KEY);
getMetadataReports().forEach((registryKey, config) -> {
config.storeConsumerMetadata(new MetadataIdentifier(url.getServiceInterface(),
url.getParameter(VERSION_KEY), url.getParameter(GROUP_KEY), CONSUMER_SIDE,
url.getParameter(APPLICATION_KEY)), url.getParameters());
});
}
}