/// <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 = ZookeeperManager.GetNodeData(path, router);
if (string.IsNullOrEmpty(proxyStr))
{
return;
}
var httpProxy = Newtonsoft.Json.JsonConvert.DeserializeObject <Configuration>(proxyStr);
config.HttpProxy = httpProxy.HttpProxy;
updateAction(config);
}
};
string p = ZookeeperManager.getConfigPath(proxyName);
var cfg = ZookeeperManager.GetNodeData(p + "/" + SuperHttpProxy.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);
}
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();
ZookeeperManager.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 = ZookeeperManager.GetNodeData(path, dataWatcher);
if (string.IsNullOrEmpty(configData))
{
return;
}
UpdateZookeeper(path, configData);
};
List <string>
childrens = ZookeeperManager.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 = ZookeeperManager.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 = ZookeeperManager.GetNodeData(path, dataWatcher);
UpdateZookeeper(path, configData);
}
}
}
