private void LoadConfig()
{
var islocalcache = false;
var localcachepath = System.IO.Path.Combine(AppContext.BaseDirectory, "localconfig.json");
try
{
var client = _httpClientFactory.CreateClient();
var serverUrl = _serviceLocator.GetConfigService(); // 配置请求地址
var url = AssembleQueryConfigUrl(serverUrl);
// 死锁问题
var response = client.SendAsync(new HttpRequestMessage(HttpMethod.Get, url)).ConfigureAwait(false).GetAwaiter().GetResult();
if (!response.IsSuccessStatusCode)
{
_logger.LogError($"{_setting.AppId} config request error status {response.StatusCode}");
}
if (response.IsSuccessStatusCode)
{
var configdto = _jsonHelper.DeserializeObject <HttpConfigResult>(response.Content.ReadAsStringAsync().Result);
if (configdto.Version > _config.Version)
{
if (_config.KV == null)
{
_config.KV = new ConcurrentDictionary <string, string>();
}
foreach (var kv in configdto.KV)
{
_config.KV.AddOrUpdate(kv.Key, kv.Value, (x, y) => kv.Value);
}
_config.AppName = configdto.AppName;
_config.Version = configdto.Version;
islocalcache = true;
}
_logger.LogInformation($"{_setting.AppId} loaded config {configdto}");
}
// 本地缓存
if (islocalcache)
{
_logger.LogInformation($"配置中心配置信息写入本地文件:{localcachepath}");
string dir = System.IO.Path.GetDirectoryName(localcachepath);
if (!System.IO.Directory.Exists(dir))
{
System.IO.Directory.CreateDirectory(dir);
}
var json = _jsonHelper.SerializeObject(_config);
System.IO.File.WriteAllText(localcachepath, json);
}
}
catch (Exception ex)
{
_logger.LogError($"config load error from appid {_setting.AppId}", ex);
if (System.IO.File.Exists(localcachepath))
{
var json = System.IO.File.ReadAllText(localcachepath);
_config = _jsonHelper.DeserializeObject <BucketConfig>(json);
}
_logger.LogInformation($"config load error from appid {_setting.AppId},local disk cache recovery success.");
}
}
/// <summary>
/// 加载配置
/// </summary>
public async Task LoadConfig(bool reload = false)
{
var islocalcache = false;
var localcachepath = System.IO.Path.Combine(AppContext.BaseDirectory, "localconfig.json"); // 容灾配置文件地址
try
{
if (reload)
{
_config.Version = 0; // 重载
}
var client = _httpClientFactory.CreateClient(); // 创建http请求
var serverUrl = _serviceLocator.GetConfigService(); // 配置请求地址
var url = AssembleQueryConfigUrl(serverUrl);
var response = await client.SendAsync(new HttpRequestMessage(HttpMethod.Get, url));
response.EnsureSuccessStatusCode();
var content = await response.Content.ReadAsStringAsync();
var configdto = _jsonHelper.DeserializeObject <HttpConfigResult>(content);
// 请求成功并有更新配置
if (configdto.ErrorCode == "000000" && configdto.Version > _config.Version)
{
foreach (var kv in configdto.KV)
{
_config.KV.AddOrUpdate(kv.Key, kv.Value, (x, y) => kv.Value);
}
_config.AppName = configdto.AppName;
_config.Version = configdto.Version;
islocalcache = true;
}
_logger.LogInformation($"{_setting.AppId} loaded config {configdto}");
// 本地缓存
if (islocalcache)
{
_logger.LogInformation($"配置中心配置信息写入本地文件:{localcachepath}");
string dir = System.IO.Path.GetDirectoryName(localcachepath);
if (!System.IO.Directory.Exists(dir))
{
System.IO.Directory.CreateDirectory(dir);
}
var json = _jsonHelper.SerializeObject(_config);
System.IO.File.WriteAllText(localcachepath, json);
}
}
catch (Exception ex)
{
_logger.LogError(ex, $"config load error from appid {_setting.AppId}");
if (System.IO.File.Exists(localcachepath))
{
var json = System.IO.File.ReadAllText(localcachepath);
_config = _jsonHelper.DeserializeObject <BucketConfig>(json);
}
_logger.LogInformation($"config load error from appid {_setting.AppId},local disk cache recovery success.");
}
initialized = true; // 初始化成功
}
