Nepxion-Thunder(QQ 群 471164539)发布在https://github.com/Nepxion/
1. 存储结构
- 应用存储区
位于顶级节点application下,分不同的通信中间件进行存储。树状结构:
对于服务端,[中间件名]/[组名]/[应用名]/service/[接口名]/[ApplicationEntity的Json串]
对于调用端,[中间件名]/[组名]/[应用名]/reference/[接口名]/[ApplicationEntity的Json串]
其中[应用名]节点下存储ApplicationConfig.java对象,内容如下:public class ApplicationConfig implements Serializable { private static final long serialVersionUID = -6769132534750910991L; private String application; // 应用名 private String group; // 组名 private int frequency; // 令牌刷新的时钟周期 }
其中service/[接口名]节点下存储ServiceConfig.java对象,内容如下:public class ServiceConfig implements Serializable { private static final long serialVersionUID = 5777064003531668211L; private String interfaze; // 接口名 private List<String> methods; // 方法列表 private String secretKey; // 密钥 private int version; // 版本号 private long token; // 最大令牌数 }
其中reference/[接口名]节点下存储ReferenceConfig.java对象,内容如下:public class ReferenceConfig implements Serializable { private static final long serialVersionUID = -4278894097968838119L; private String interfaze; // 接口名 private String secretKey; // 密钥 private int version; // 版本号 }
其中ApplicationEntity的Json串属于临时节点,当服务端或者调用端下线后,在一定的超时时间后,会自动被删除。注意:最新版本加上了UUID和上下时间,便于服务治理,从存储结构图上并没有反应出来 - 配置存储区
位于顶级节点configuration下,集成式配置,所有通信中间件的配置都可以集中管理,服务端和调用端配置也集中管理。树状结构:
[组名]/[应用名]
其中[应用名]节点下存储Properties文本,内容跟thunder-ext.properties配置文件一致 - 监控存储区
位于顶级节点monitor下,子节点为第三方WebService监控系统的URL - 用户存储区
位于顶级节点user下,子节点为UserEntity序列化对象
2. 实现思路
1)RegistryInitializer.java - 暴露的注册中心初始化接口。默认的注册中心是用Zookeeper来实现,也可以换做其它开源框架来实现(例如Redis),只需要实现该接口即可
public interface RegistryInitializer extends ThunderDelegate { // 启动和注册中心的连接 void start(RegistryEntity registryEntity) throws Exception; // 启动和注册中心的连接 void start(RegistryEntity registryEntity, ThunderProperties properties) throws Exception; // 停止注册中心的连接 void stop() throws Exception; }
2)RegistryExecutor.java - 暴露的注册中心查询,执行等功能接口。默认的注册中心是用Zookeeper来实现,也可以换做其它开源框架来实现(例如Redis),只需要实现该接口即可
public interface RegistryExecutor extends ThunderDelegate { // 设置注册中心初始化器 void setRegistryInitializer(RegistryInitializer registryInitializer); // 设置协议实体 void setProtocolEntity(ProtocolEntity protocolEntity); // 设置名称空间 void setNamespace(String namespace); // 初始化注册中心Application相关环境 void registerApplicationEnvironment(ApplicationEntity applicationEntity) throws Exception; // 初始化注册中心Configuration相关环境 void registerConfigurationEnvironment() throws Exception; // 初始化注册中心Monitor相关环境 void registerMonitorEnvironment() throws Exception; // 初始化注册中心User相关环境 void registerUserEnvironment() throws Exception; // 注册Application void registerApplication(ApplicationEntity applicationEntity) throws Exception; // 注册Service目录 void registerServiceCategory(String interfaze, ApplicationEntity applicationEntity) throws Exception; // 注册Service,并把服务所在的应用信息写入 void registerService(String interfaze, ApplicationEntity applicationEntity) throws Exception; // 注册Reference目录 void registerReferenceCategory(String interfaze, ApplicationEntity applicationEntity) throws Exception; // 注册Reference,并把服务所在的应用信息写入 void registerReference(String interfaze, ApplicationEntity applicationEntity) throws Exception; // 注册Configuration void registerConfiguration(ApplicationEntity applicationEntity) throws Exception; // 注册Monitor void registerMonitor(String address) throws Exception; // 获取Application配置信息 ApplicationConfig retrieveApplication(ApplicationEntity applicationEntity) throws Exception; // 获取Service配置信息 ServiceConfig retrieveService(String interfaze, ApplicationEntity applicationEntity) throws Exception; // 获取Reference配置信息 ReferenceConfig retrieveReference(String interfaze, ApplicationEntity applicationEntity) throws Exception; // 获取Property文本配置信息 String retrieveProperty(ApplicationEntity applicationEntity) throws Exception; // 持久化Application配置信息 void persistApplication(ApplicationConfig applicationConfig) throws Exception; // 持久化Service配置信息 void persistService(ServiceConfig serviceConfig, ApplicationEntity applicationEntity) throws Exception; // 持久化Reference配置信息 void persistReference(ReferenceConfig referenceConfig, ApplicationEntity applicationEntity) throws Exception; // 持久化Property文本配置信息 void persistProperty(String property, ApplicationEntity applicationEntity) throws Exception; // 获取服务实例列表 List<ApplicationEntity> getServiceInstanceList(String interfaze, ApplicationEntity applicationEntity) throws Exception; // 获取调用实例列表 List<ApplicationEntity> getReferenceInstanceList(String interfaze, ApplicationEntity applicationEntity) throws Exception; // 获取监控实例列表 List<String> getMonitorInstanceList() throws Exception; // 判断服务实例是否Online boolean isServiceInstanceOnline(String interfaze, ApplicationEntity applicationEntity) throws Exception; // 判断调用实例是否Online boolean isReferenceInstanceOnline(String interfaze, ApplicationEntity applicationEntity) throws Exception; // 判断监控实例是否Online boolean isMonitorInstanceOnline(String monitorInstance) throws Exception; // 获取用户列表 List<UserEntity> retrieveUserList() throws Exception; // 获得用户 UserEntity retrieveUser(String name) throws Exception; // 持久化用户 void persistUser(UserEntity userEntity) throws Exception; // 删除用户 void deleteUser(UserEntity userEntity) throws Exception; // 监听Application配置信息变更 void addApplicationConfigWatcher(ApplicationConfig applicationConfig) throws Exception; // 监听Service配置信息变更 void addServiceConfigWatcher(String interfaze, ApplicationEntity applicationEntity) throws Exception; // 监听Reference配置信息变更 void addReferenceConfigWatcher(String interfaze, ApplicationEntity applicationEntity) throws Exception; // 监听Service上下线 void addServiceInstanceWatcher(String interfaze, ApplicationEntity applicationEntity) throws Exception; // 监听Reference上下线 void addReferenceInstanceWatcher(String interfaze, ApplicationEntity applicationEntity) throws Exception; // 监听Monitor上下线,用来保持注册中心和本地缓存一致 void addMonitorInstanceWatcher() throws Exception; // 监听注册中心应用与注册中心断开后重连成功后,触发事件 void addReconnectionListener(); // 获取Category名称列表 List<String> getCategoryList() throws Exception; // 获取Protocol名称列表 List<String> getProtocolList() throws Exception; // 获取Group名称列表 List<String> getGroupList() throws Exception; // 获取Application名称列表 List<String> getApplicationList(String group) throws Exception; // 获取Service名称列表 List<String> getServiceList(String application, String group) throws Exception; // 获取Reference名称列表 List<String> getReferenceList(String application, String group) throws Exception; // 获取Configuration Group名称列表 List<String> getConfigurationGroupList() throws Exception; // 获取Configuration Application名称列表 List<String> getConfigurationApplicationList(String group) throws Exception; // 重置ApplicationConfig,所有属性值恢复为默认值 void resetApplication(ApplicationEntity applicationEntity) throws Exception; // 重置ServiceConfig,所有属性值恢复为默认值 void resetService(String interfaze, ApplicationEntity applicationEntity) throws Exception; // 重置ReferenceConfig,所有属性值恢复为默认值 void resetReference(String interfaze, ApplicationEntity applicationEntity) throws Exception; // 更改ApplicationConfig令牌刷新频率, ApplicationEntity只需要带application和group(下同) void modifyApplicationFrequency(ApplicationEntity applicationEntity, int frequency) throws Exception; // 更改ApplicationConfig单个属性 void modifyApplication(ApplicationEntity applicationEntity, MethodInvocation invocation) throws Exception; // 更改ApplicationConfig批量属性 void modifyApplication(ApplicationEntity applicationEntity, List<MethodInvocation> invocationList) throws Exception; // 更改ServiceConfig密钥 void modifyServiceSecretKey(String interfaze, ApplicationEntity applicationEntity, String secretKey) throws Exception; // 更改ServiceConfig版本 void modifyServiceVersion(String interfaze, ApplicationEntity applicationEntity, int version) throws Exception; // 更改ServiceConfig令牌数 void modifyServiceToken(String interfaze, ApplicationEntity applicationEntity, long token) throws Exception; // 更改ServiceConfig单个属性 void modifyService(String interfaze, ApplicationEntity applicationEntity, MethodInvocation invocation) throws Exception; // 更改ServiceConfig批量属性 void modifyService(String interfaze, ApplicationEntity applicationEntity, List<MethodInvocation> invocationList) throws Exception; // 更改ReferenceConfig密钥 void modifyReferenceSecretKey(String interfaze, ApplicationEntity applicationEntity, String secretKey) throws Exception; // 更改ServiceConfig版本 void modifyReferenceVersion(String interfaze, ApplicationEntity applicationEntity, int version) throws Exception; // 更改ReferenceConfig单个属性 void modifyReference(String interfaze, ApplicationEntity applicationEntity, MethodInvocation invocation) throws Exception; // 更改ReferenceConfig批量属性 void modifyReference(String interfaze, ApplicationEntity applicationEntity, List<MethodInvocation> invocationList) throws Exception; }3)RegistryLauncher.java - 暴露给外部程序访问注册中心的接口
// 提供给外部程序所用 public interface RegistryLauncher { // 启动注册中心连接 void start(String address, ProtocolType protocolType) throws Exception; // 停止注册中心连接 void stop() throws Exception; // 获取注册中心执行器 RegistryExecutor getRegistryExecutor(); }4)ZookeeperRegistryInitializer.java - 实现RegistryInitializer.java
5)ZookeeperRegistryExecutor.java - 实现RegistryExecutor.java
6)ZookeeperRegistryLauncher.java - 实现RegistryLauncher.java
7)ZookeeperApplicationConfigWatcher.java - 实现对“[中间件名]/[组名]/[应用名]“路径的EXISTS事件监听,对应的ApplicationConfig里内容改变,会触发监听事件(令牌刷新的时钟周期控制)
8)ZookeeperServiceConfigWatcher.java - 实现对“[中间件名]/[组名]/[应用名]/service/[接口名]”路径的EXISTS类型监听,对应的ServiceConfig里内容改变,会触发监听事件(令牌,密钥,版本控制)
9)ZookeeperReferenceConfigWatcher.java - 实现对“[中间件名]/[组名]/[应用名]/reference/[接口名]”路径的EXISTS类型监听,对应的ReferenceConfig里内 容改变,会触发监听事件(密钥,版本控制)
10)ZookeeperInstanceWatcher.java - 实现对“[中间件名]/[组名]/[应用名]/service或reference/[接口名]”路径的GET_CHILDREN事件监听,对应的它的子节点增添或者删除会触发监听事件(服务/调用上下线)
11)ZookeeperInstanceEventInterceptor.java - 实现对上下线的事件拦截
12)ZookeeperMonitorInstancesWatcher.java - 实现对monitor”路径的GET_CHILDREN事件监听,对应的它的子节点增添或者删除会触发监听事件(监控中心上下线)
13)ZookeeperReconnectionListener.java - 实现重连监听,一旦Zookeeper重启或者由于出网络问题后又恢复和Zookeeper连接等,会触发重连监听
14)ZookeeperUserWatcher.java - 实现对“monitor”路径的GET_CHILDREN事件监听,对应的它的子节点增添或者删除会触发监听事件(监控中心上下线)
15)ZookeeperUserWatcherCallback.java - 实现对“user/[userName]”路径的EXISTS事件监听,它被删除或者数据改变会触发监听事件