package com.java110;
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/**
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* Hello world!
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*/
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import com.java110.common.constant.ResponseConstant;
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import com.java110.common.exception.StartException;
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import com.java110.common.factory.ApplicationContextFactory;
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import com.java110.common.util.Assert;
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import com.java110.common.util.DateUtil;
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import com.java110.common.util.StringUtil;
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import com.java110.config.properties.code.ZookeeperProperties;
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import com.java110.service.init.ServiceInfoListener;
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import com.java110.service.init.ServiceStartInit;
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import org.apache.zookeeper.*;
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import org.apache.zookeeper.data.Stat;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
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import org.springframework.context.ApplicationContext;
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import java.net.InetAddress;
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import java.net.UnknownHostException;
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import java.util.List;
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/**
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* spring boot 初始化启动类
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*
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* @version v0.1
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* @auther com.java110.wuxw
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* @mail 928255095@qq.com
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* @date 2016年8月6日
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* @tag
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*/
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@SpringBootApplication(scanBasePackages = {"com.java110.service","com.java110.code","com.java110.core","com.java110.cache",
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"com.java110.config.properties.code"})
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@EnableDiscoveryClient
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public class CodeServiceApplicationStart {
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public static void main(String[] args) throws Exception {
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ApplicationContext context = SpringApplication.run(CodeServiceApplicationStart.class, args);
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ServiceStartInit.initSystemConfig(context);
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//加载workId
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loadWorkId();
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}
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/**
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* 加载 workId
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*/
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public static void loadWorkId() throws StartException{
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ZookeeperProperties zookeeperProperties = ApplicationContextFactory.getBean("zookeeperProperties",ZookeeperProperties.class);
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if(zookeeperProperties == null){
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throw new StartException(ResponseConstant.RESULT_CODE_ERROR,"系统启动失败，未加载zookeeper 配置信息");
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}
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String host = null;
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try {
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host = InetAddress.getLocalHost().getHostAddress();
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} catch (UnknownHostException e) {
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throw new StartException(ResponseConstant.RESULT_CODE_ERROR,"系统启动失败，获取host失败"+e);
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}
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ServiceInfoListener serviceInfoListener = ApplicationContextFactory.getBean("serviceInfoListener",ServiceInfoListener.class);
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if(serviceInfoListener == null){
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throw new StartException(ResponseConstant.RESULT_CODE_ERROR,"系统启动失败，获取服务监听端口失败");
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}
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serviceInfoListener.setServiceHost(host);
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try {
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ZooKeeper zooKeeper = new ZooKeeper(zookeeperProperties.getZookeeperConnectString(), zookeeperProperties.getTimeOut(), new Watcher() {
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@Override
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public void process(WatchedEvent watchedEvent) {
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}
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});
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Stat stat = zooKeeper.exists(zookeeperProperties.getWorkDir(),true);
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if(stat == null){
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zooKeeper.create(zookeeperProperties.getWorkDir(), "".getBytes(), ZooDefs.Ids.OPEN_ACL_UNSAFE,
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CreateMode.PERSISTENT);
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}
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String workDir = "";
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List<String> workDirs = zooKeeper.getChildren(zookeeperProperties.getWorkDir(),true);
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if(workDirs != null && workDirs.size() > 0) {
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for(String workDirTemp : workDirs){
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if(workDirTemp.startsWith(serviceInfoListener.getHostPort())){
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workDir = workDirTemp;
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break;
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}
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}
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}
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if(StringUtil.isNullOrNone(workDir)) {
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workDir = zooKeeper.create(zookeeperProperties.getWorkDir() + "/" + serviceInfoListener.getHostPort(), "".getBytes(), ZooDefs.Ids.OPEN_ACL_UNSAFE,
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CreateMode.PERSISTENT_SEQUENTIAL);
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}
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String[] pathTokens = workDir.split("/");
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if ( pathTokens.length > 0
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&& pathTokens[pathTokens.length -1].contains("-")
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&& pathTokens[pathTokens.length -1].contains(":"))
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{
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String workId = pathTokens[pathTokens.length -1].substring(pathTokens[pathTokens.length -1].indexOf("-")+1);
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serviceInfoListener.setWorkId(Long.parseLong(workId));
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}
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Assert.hasLength(serviceInfoListener.getWorkId()+"","系统中加载workId 失败");
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}catch (Exception e){
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e.printStackTrace();
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throw new StartException(ResponseConstant.RESULT_CODE_ERROR,"系统启动失败，链接zookeeper失败"+zookeeperProperties.getZookeeperConnectString());
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}
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}
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}
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