/// <summary>
/// 远程下载
/// </summary>
/// <param name="clientInfo"></param>
/// <param name="item"></param>
/// <param name="tmpPath"></param>
/// <param name="file"></param>
/// <returns></returns>
public static string DownloadData(DisconfClientInfo clientInfo, DisconfClientItem item, string tmpPath, string file)
{
//http://disconf.frontpay.cn/api/config/file?version=1_0_0_1&app=YaoTest&env=dev&key=FrontConfig.xml
string fileUrl = $"{DisconfConfigManager.DisconfDomain}/api/config/file?version={item.Version}&app={item.AppName}&env={DisconfConfigManager.DisconfEnvironment}&key={file}";
WebClient webClient = new WebClient();
var str = webClient.DownloadString(fileUrl);
str = str.Replace("\\ufeff", ""); //BOM格式，需要去掉头部的四个\ufeff
str = Uncode(str); //转换中文
return(str);
}
/// <summary>
/// 下载配置文件，ZooKeeper监听
/// </summary>
/// <param name="clientInfo"></param>
private static void DownloadConfig(DisconfClientInfo clientInfo, Dictionary <string, string> dicConfigKey)
{
if (!Directory.Exists(clientInfo.FilePath))
{
Directory.CreateDirectory(clientInfo.FilePath);
}
var tmp = GetTempPath(clientInfo.FilePath);
foreach (var item in clientInfo.Items)
{
var files = item.Files.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
foreach (var file in files)
{
//如果是同应用，同环境，同版本，同一配置文件，且存放目录也一致，则不重复下载
var configKey = $"{item.AppName}_{DisconfConfigManager.DisconfEnvironment}_{item.Version}_{file}";
if (dicConfigKey.ContainsKey(configKey) && dicConfigKey[configKey].EqualsIgnoreCase(clientInfo.FilePath))
{
Logger.Info($"目标文件{clientInfo.FilePath}\\{file}已下载，忽略");
continue;
}
try
{
var data = DownloadData(clientInfo, item, tmp, file);
CreateFile(tmp, file, clientInfo.FilePath, data);
ZooKeeperHelper.Instance.Watch(item.AppName, DisconfConfigManager.DisconfEnvironment, item.Version, file, data);
dicConfigKey[configKey] = clientInfo.FilePath;
}
catch (ZooKeeperNet.KeeperException ex)
{
Init();//重新初始化
Logger.Error("ZooKeeperException", ex);
}
catch (Exception ex)
{
Logger.Error("", ex);
}
}
}
}
/// <summary>
/// 获取客户端需要下载的配置文件
/// </summary>
/// <param name="clients"></param>
/// <returns></returns>
public static List <DisconfClientInfo> GetClientConfig(List <string> clients)
{
List <DisconfClientInfo> list = new List <DisconfClientInfo>();
foreach (var client in clients)
{
try
{
XDocument doc = XDocument.Load(client);
var configuration = doc.Elements().FirstOrDefault(s => s.Name.LocalName.EqualsIgnoreCase("configuration"));
var items = configuration.Elements().Where(s => s.Name.LocalName.EqualsIgnoreCase("Disconf"));
if (items.Count() == 0)
{
continue;
}
var disconf = items.First();
if (disconf.Attribute("FilePath") == null)
{
throw new Exception("Disconf无FilePath属性");
}
DisconfClientInfo clientInfo = new DisconfClientInfo();
clientInfo.FilePath = disconf.Attribute("FilePath").Value;
items = disconf.Elements().Where(s => s.Name.LocalName.EqualsIgnoreCase("Item"));
if (items.Count() == 0)
{
continue;
}
clientInfo.Items = new List <DisconfClientItem>();
foreach (XElement item in items)
{
DisconfClientItem clientItem = new DisconfClientItem();
if (item.Attribute("AppName") == null)
{
throw new Exception("某项Item无AppName属性");
}
if (item.Attribute("Version") == null)
{
throw new Exception("某项Item无Version属性");
}
if (item.Attribute("Files") == null)
{
throw new Exception("某项Item无Files属性");
}
clientItem.AppName = item.Attribute("AppName").Value;
clientItem.Version = item.Attribute("Version").Value;
clientItem.Files = item.Attribute("Files").Value;
clientInfo.Items.Add(clientItem);
}
list.Add(clientInfo);
}
catch (Exception ex)
{
Logger.Error($"读取{client}的配置错误", ex);
}
}
return(list);
}
