com.saucesubfresh.rpc.server.registry.support.ZookeeperRegistryService Maven / Gradle / Ivy
/*
* Copyright © 2022 Open-Light-Rpc Authors. All Rights Reserved.
*
* Licensed 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 com.saucesubfresh.rpc.server.registry.support;
import com.saucesubfresh.rpc.server.ServerConfiguration;
import com.saucesubfresh.rpc.server.registry.AbstractRegistryService;
import com.saucesubfresh.rpc.core.constants.CommonConstant;
import lombok.extern.slf4j.Slf4j;
import org.I0Itec.zkclient.ZkClient;
import org.apache.zookeeper.ZooDefs;
import org.springframework.beans.factory.DisposableBean;
import java.util.HashMap;
import java.util.Map;
/**
* Register to Server in Zookeeper mode
*
* @author lijunping on 2021/12/2
*/
@Slf4j
public class ZookeeperRegistryService extends AbstractRegistryService implements DisposableBean {
private final ZkClient zkClient;
public ZookeeperRegistryService(ZkClient zkClient, ServerConfiguration configuration) {
super(configuration);
this.zkClient = zkClient;
}
@Override
public void doRegister(String serverAddress, int serverPort) {
Map metadata = new HashMap<>();
metadata.put("serverIp", serverAddress);
metadata.put("serverPort", String.valueOf(serverPort));
if (!zkClient.exists(this.configuration.getServerName())) {
zkClient.createPersistent(this.configuration.getServerName(), null, ZooDefs.Ids.OPEN_ACL_UNSAFE);
}
String serverInfo = String.format(CommonConstant.ADDRESS_PATTERN, serverAddress, serverPort);
String serverPath = this.configuration.getServerName() + CommonConstant.Symbol.SLASH + serverInfo;
if (!zkClient.exists(serverPath)) {
zkClient.createEphemeral(serverPath, metadata, ZooDefs.Ids.OPEN_ACL_UNSAFE);
}
log.info("Current server registered to zookeeper server successfully.");
}
@Override
public void deRegister(String serverAddress, int serverPort) {
String serverInfo = String.format(CommonConstant.ADDRESS_PATTERN, serverAddress, serverPort);
String serverPath = this.configuration.getServerName() + CommonConstant.Symbol.SLASH + serverInfo;
this.zkClient.delete(serverPath);
}
@Override
public void destroy() {
try {
zkClient.close();
} catch (Exception e) {
log.warn("Failed to close zookeeper client, cause: " + e.getMessage(), e);
}
}
}