private async Task Refresh(AppInfo info, IDictionary <ConfigType, IDictionary <string, string> > configs, bool recoverFromLocal)
{
var builders = configs.Select(c =>
{
var builder = new ZkTreeBuilder(info, c.Key, this._setting.ZookeeperBasePath, this._setting.ClientInfo.IgnoreCase);
IRuleCollection <Rule> rule = null;
if (this._ruleDictionary.ContainsKey(c.Key))
{
rule = this._ruleDictionary[c.Key];
}
foreach (var kv in c.Value)
{
builder.GetOrAddZnodeName(kv.Key);
rule?.For(kv.Key);
this._fallBackPolicy.Execute(() =>
{
this.TryNoticeChanged(c.Key, kv.Key, kv.Value);
}, new Dictionary <string, object>
{
{ "Action", "TryNoticeChangedOnRefresh" },
{ "ConfigType", c.Key },
{ kv.Key, kv.Value }
});
}
return(builder);
}).ToArray();
await this.AddWatcher(builders).ConfigureAwait(false);
}
private async Task Refresh(AppInfo info, IDictionary <ConfigType, IDictionary <string, string> > configs)
{
var builders = configs.Select(c =>
{
var builder = new ZkTreeBuilder(info, c.Key, this._setting.ZookeeperBasePath, this._setting.ClientInfo.IgnoreCase);
var needRegister = c.Key == ConfigType.File;
foreach (var kv in c.Value)
{
builder.GetOrAddZnodeName(kv.Key);
if (needRegister)
{
this.FileRules.For(kv.Key);
}
this._fallBackPolicy.Execute(() =>
{
this.TryNoticeChanged(c.Key, kv.Key, kv.Value);
}, new Dictionary <string, object>
{
{ "Action", "TryNoticeChangedOnRefresh" },
{ "ConfigType", c.Key },
{ kv.Key, kv.Value }
});
}
return(builder);
}).ToArray();
await this.AddWatcher(builders).ConfigureAwait(false);
}
/// <summary>
/// 同步zookeeper服务并序列化成配置文件到本地
/// 初始化
/// </summary>
public void InitClient()
{
var task = Task.Run(() =>
{
this._handler.Execute(() => {
StringBuilder logBuilder = new StringBuilder();
#region 步配置到本地
if (!Directory.Exists(ClientPath))
{
Directory.CreateDirectory(ClientPath);
}
logBuilder.AppendLine("同步zookeeper数据到本地\r\n");
using (MaintainWatcher mk = new MaintainWatcher(config.Host, 1000))
{
ZooKeeper zk = mk.ZooKeeper;
//本地站点的名称
string name = config.ClientInfo.AppName;
var stat = zk.Exists($"/{name}", false);
if (stat == null)
{
return;
}
if (!System.IO.Directory.Exists(Path.Combine(ClientPath, name)))
{
System.IO.Directory.CreateDirectory(Path.Combine(ClientPath, name));
}
var children = zk.GetChildren($"/{name}", false);//取不到节点会报错
foreach (var child in children)
{
stat = new Stat();
var tmpdata = zk.GetData($"/{name}/{child}", false, stat);
string tmpString = System.Text.Encoding.UTF8.GetString(tmpdata);
ZNode znode = Deserialize(tmpString);
if (znode == null)
{
continue;
}
znode.Version = stat.Version;
//看下本地的配置文件版本号，需要不需要更新
string file = Path.Combine(ClientPath, name, child + ".txt");
string text = FileHelper.ReadFile(file);
ZNode zLocal = Deserialize(text);
if (zLocal == null || zLocal.Version < znode.Version)
{
FileHelper.WriteFile(file, znode.ToString());
logBuilder.AppendLine($"下载节点:{$"/{name}/{child}"},值：{JsonHelper.ToNewtonJsonString(znode)}");
}
}
}
#endregion
#region 加载配置到内存
var files = Directory.GetFiles(Path.Combine(ClientPath, config.ClientInfo.AppName), "*.txt");
IZkTreeBuilder itemBuilder = new ZkTreeBuilder(config.ClientInfo.AppName);
foreach (string file in files)
{
string key = Path.GetFileNameWithoutExtension(file);
string text = FileHelper.ReadFile(file);
ZNode znode = Deserialize(text);
if (znode == null)
{
continue;
}
itemBuilder.GetOrAddZnodeName($"/{config.ClientInfo.AppName}/{key}", znode.Value);
}
this._itemWatcher = new NodeWatcher(config.Host, 30000, itemBuilder);
this._itemWatcher.NodeChanged += _itemWatcher_NodeChanged;
#endregion
LogHelper.WriteCustom(logBuilder.ToString(), "zookeeper\\", false);
}, string.Empty);
});
task.Wait();
}
