/// <summary> /// HttpProxy 配置,主要配置那些微服务可以提供外部api服务 /// </summary> /// <param name="proxyName">proxyName</param> /// <param name="updateAction">updateAction</param> /// <returns>HttpProxy</returns> public static Configuration GetHttpProxy(string proxyName, Action <Configuration> updateAction) { switch (configCenter.ConfigType) { case ConfigType.Local: case ConfigType.HttpFile: return(config); // 直接返回本地配置 case ConfigType.Zookeeper: Action <Configuration> callBack = (Configuration cfgValue) => { GetHttpProxy(proxyName, updateAction); // 调用一次方法,挂载回调 updateAction(cfgValue); // 重连之后要执行回调,做变更 }; callBackList[proxyName] = callBack; // 断线重连之后,要把当前方法封装起来,作为回调 var router = new ConfigWatcher(); router.OnChange += (string path) => { if (updateAction != null && !string.IsNullOrEmpty(path)) { var proxyStr = GrantZookeeperManager.GetNodeData(path, router); if (string.IsNullOrEmpty(proxyStr)) { return; } var httpProxy = Newtonsoft.Json.JsonConvert.DeserializeObject <Configuration>(proxyStr); config.HttpProxy = httpProxy.HttpProxy; updateAction(config); } }; string p = GrantZookeeperManager.getConfigPath(proxyName); var cfg = GrantZookeeperManager.GetNodeData(p + "/" + GrantHttpProxy.HttpProxy, router); if (string.IsNullOrEmpty(cfg)) { logger.LogWarning("获取代理层配置为空,这个代理层将无法提供代理服务 ServerSetting.GetHttpProxy is Null"); } else { var proxy = Newtonsoft.Json.JsonConvert.DeserializeObject <Configuration>(cfg); config.HttpProxy = proxy.HttpProxy; } return(config); } return(null); }
/// <summary> /// 注册zookeeper使用 /// </summary> /// <param name="serverName"></param> /// <param name="ip"></param> /// <param name="port"></param> /// <param name="enable"></param> /// <param name="timeout"></param> public static void RegisterRouter(string serverName, string ip, int port, bool enable, int timeout) { if (configCenter.ConfigType != ConfigType.Zookeeper) { return; // 本地配置不走zookeeper; } string path = GrantZookeeperManager.SetRouter(serverName, ip, port, enable, timeout); var cfgWatcher = new ConfigWatcher(); cfgWatcher.OnChange += (string p) => { var changeData = GrantZookeeperManager.GetNodeData(path, cfgWatcher); if (!string.IsNullOrEmpty(changeData)) { try { var clientItem = Newtonsoft.Json.JsonConvert.DeserializeObject <ClientItem>(changeData); logger.LogWarning($"我的配置被修改为:{changeData}"); if (clientItem != null && !clientItem.Enable) { // 我被下线了,更新本地配置"Enable": false,下一次重启需要带上这个状态 logger.LogInformation($"我被管理员下线了,哼。。。。serverName={serverName},ip={ip},port = {port}"); } else { logger.LogInformation($"我被管理员上线了,哈哈哈哈。。。。serverName={serverName},ip={ip},port = {port}"); } // 在这里修改本地配置快照 if (clientItem == null || string.IsNullOrEmpty(clientItem.Ip) || clientItem.Port < 1) { return; } config.GrantConfig.RpcService.Ip = clientItem.Ip; config.GrantConfig.RpcService.Port = clientItem.Port; config.GrantConfig.RpcService.Pool = clientItem.Pool; config.GrantConfig.RpcService.Enable = clientItem.Enable; config.GrantConfig.RpcService.TimeOut = clientItem.TimeOut; //copyConfig(); 暂时注掉,这里还没思考好 } catch (Exception e) { logger.LogCritical(e, $"RegisterRouter.cfgWatcher.OnChange.Error,serverName={serverName},ip={ip},port = {port}"); } } }; GrantZookeeperManager.GetNodeData(path, cfgWatcher); // 监控自己router节点的内容,有可能被置为下线; }
private static void initlizeData(string appName) { // 检查标准配置,第一次可能zk是空 // 检查标准配置节点,帮助初始化 var standConfig = getStandConfig(); GrantZookeeperManager.CheckConfig(appName, standConfig); // 拉取当前AppName的配置,需要注册watcher var dataWatcher = new ConfigWatcher(); dataWatcher.OnChange += (string path) => { string configData = GrantZookeeperManager.GetNodeData(path, dataWatcher); if (string.IsNullOrEmpty(configData)) { return; } UpdateZookeeper(path, configData); }; List <string> childrens = GrantZookeeperManager.GetConfigChildren(appName, null); // 配置是整个获取节点,分别获取配置和分别增加watcher if (childrens != null && childrens.Count > 0) { string root = GrantZookeeperManager.getConfigPath(appName); if (string.IsNullOrEmpty(root)) { return; } foreach (var item in childrens) { // 需要根据节点路径来判断是哪个节点变化了 string path = root + "/" + item; string configData = GrantZookeeperManager.GetNodeData(path, dataWatcher); UpdateZookeeper(path, configData); } } }
private static RpcClients getRouters(string appName, Watcher serviceRouterWatcher) { List <string> nodeList = GrantZookeeperManager.GetRouterChildren(appName, serviceRouterWatcher); // 路由是整个获取节点整个跟节点监控,因为子节点是虚拟的 if (nodeList == null || nodeList.Count < 1) { string msg = $"你代码里面调用了 {appName} ,但是从zookeeper中取不到这个服务的路由信息,GetAppClient.appName={appName}.GetChildrenNode==null"; logger.LogWarning(msg); return(null); } RpcClients rpcClients = new RpcClients(); rpcClients.Clients = new List <Client>(); Client client = new Client() { RouterType = RouterType.Random, ServerName = appName }; client.Items = new List <ClientItem>(); rpcClients.Clients.Add(client); string p = GrantZookeeperManager.getRouterPath(appName); if (string.IsNullOrEmpty(p)) { return(null); } foreach (var item in nodeList) { string nodeData = GrantZookeeperManager.GetNodeData(p + "/" + item, serviceRouterWatcher); if (string.IsNullOrEmpty(nodeData)) { continue; } ClientItem clientItem = Newtonsoft.Json.JsonConvert.DeserializeObject <ClientItem>(nodeData); client.Items.Add(clientItem); } config.RpcClients = rpcClients; return(rpcClients); }