| /* |
| * 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.admin.registry.metadata.impl; |
| |
| |
| import org.apache.commons.pool2.impl.GenericObjectPoolConfig; |
| import org.apache.dubbo.admin.registry.metadata.MetaDataCollector; |
| import org.apache.dubbo.common.URL; |
| import org.apache.dubbo.metadata.report.identifier.KeyTypeEnum; |
| import org.apache.dubbo.metadata.report.identifier.MetadataIdentifier; |
| import org.apache.dubbo.rpc.RpcException; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import redis.clients.jedis.HostAndPort; |
| import redis.clients.jedis.Jedis; |
| import redis.clients.jedis.JedisCluster; |
| import redis.clients.jedis.JedisPool; |
| import redis.clients.jedis.JedisPoolConfig; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| import static org.apache.dubbo.common.constants.CommonConstants.CLUSTER_KEY; |
| import static org.apache.dubbo.common.constants.CommonConstants.COMMA_SPLIT_PATTERN; |
| import static org.apache.dubbo.common.constants.CommonConstants.DEFAULT_TIMEOUT; |
| import static org.apache.dubbo.common.constants.CommonConstants.TIMEOUT_KEY; |
| import static org.apache.dubbo.metadata.MetadataConstants.META_DATA_STORE_TAG; |
| |
| public class RedisMetaDataCollector implements MetaDataCollector { |
| |
| private final static Logger logger = LoggerFactory.getLogger(RedisMetaDataCollector.class); |
| private URL url; |
| private JedisPool pool; |
| private static final String META_DATA_SOTRE_TAG = ".metaData"; |
| Set<HostAndPort> jedisClusterNodes; |
| private int timeout; |
| private String password; |
| |
| @Override |
| public void setUrl(URL url) { |
| this.url = url; |
| } |
| |
| @Override |
| public URL getUrl() { |
| return url; |
| } |
| |
| @Override |
| public void init() { |
| timeout = url.getParameter(TIMEOUT_KEY, DEFAULT_TIMEOUT); |
| password = url.getPassword(); |
| if (url.getParameter(CLUSTER_KEY, false)) { |
| jedisClusterNodes = new HashSet<>(); |
| String[] addresses = COMMA_SPLIT_PATTERN.split(url.getAddress()); |
| for (String address : addresses) { |
| URL tmpUrl = url.setAddress(address); |
| jedisClusterNodes.add(new HostAndPort(tmpUrl.getHost(), tmpUrl.getPort())); |
| } |
| } else { |
| pool = new JedisPool(new JedisPoolConfig(), url.getHost(), url.getPort(), timeout, url.getPassword()); |
| } |
| } |
| |
| @Override |
| public String getProviderMetaData(MetadataIdentifier key) { |
| return doGetMetaData(key); |
| } |
| |
| @Override |
| public String getConsumerMetaData(MetadataIdentifier key) { |
| return doGetMetaData(key); |
| } |
| |
| private String doGetMetaData(MetadataIdentifier identifier) { |
| String result = null; |
| if (url.getParameter(CLUSTER_KEY, false)) { |
| try (JedisCluster jedisCluster = new JedisCluster(jedisClusterNodes, timeout, timeout, 2, password, new GenericObjectPoolConfig())) { |
| result = jedisCluster.get(identifier.getUniqueKey(KeyTypeEnum.UNIQUE_KEY) + META_DATA_STORE_TAG); |
| } catch (Throwable e) { |
| logger.error("Failed to get " + identifier + " from redis cluster, cause: " + e.getMessage(), e); |
| throw new RpcException("Failed to get " + identifier + " from redis cluster, cause: " + e.getMessage(), e); |
| } |
| } else { |
| try (Jedis jedis = pool.getResource()) { |
| result = jedis.get(identifier.getUniqueKey(KeyTypeEnum.UNIQUE_KEY) + META_DATA_SOTRE_TAG); |
| } catch (Throwable e) { |
| logger.error("Failed to get " + identifier + " from redis, cause: " + e.getMessage(), e); |
| throw new RpcException("Failed to get " + identifier + " from redis, cause: " + e.getMessage(), e); |
| } |
| } |
| return result; |
| } |
| } |