public EgressService(
IServiceProvider serviceProvider,
ILogger <EgressService> logger,
IConfiguration configuration,
IEnumerable <IEgressProviderConfigurationProvider> providers)
{
_logger = logger;
_providers = providers;
_providerTypeMap = new ConcurrentDictionary <string, string>(StringComparer.OrdinalIgnoreCase);
_optionsTypeMap = new ConcurrentDictionary <string, Type>(StringComparer.OrdinalIgnoreCase);
_serviceProvider = serviceProvider;
_changeRegistration = ChangeToken.OnChange(
() => configuration.GetEgressSection().GetReloadToken(),
Reload);
Reload();
}
/// <summary>
/// ConfigInit
/// </summary>
/// <param name="jsonName"></param>
/// <param name="reloadOnChange"></param>
public JsonConfiguration(string jsonName, bool reloadOnChange = true)
{
Configuration = new ConfigurationBuilder()
.Add(new JsonConfigurationSource {
Path = $"{jsonName}.json", ReloadOnChange = reloadOnChange
})
.Build();
ChangeToken.OnChange(() => Configuration.GetReloadToken(), () =>
{
var now = DateTime.Now.ToTimeStamp();
if ((now - ChangeTime) <= Time)
{
return;
}
ChangeTime = now;
OnChange?.Invoke();
});
}
public void Run()
{
var formatOptions = MyConfiguration.Root.GetSection("format")
.Get <FormatOptions>();
Console.WriteLine(JsonSerializer.Serialize(formatOptions).AsFormatJsonStr());
ChangeToken.OnChange(() => MyConfiguration.Root.GetReloadToken(), () =>
{
Console.WriteLine("触发配置变更");
/**
* 当对应的配置文件的reloadOnChange为true，当文件发生变更时，会触发
* 注意：这里只需要对变更做处理，不需要再重新从文件build，系统会自动更新IConfigurationRoot，即进入这里的时候，IConfigurationRoot已经是同步后的了。
* p.s.测试修改配置文件的时候，使用notepad编辑，会出现触发多次的情况，这是notepad的原因，使用默认文本编辑器并不会，很坑
*/
});
}
public static IApplicationBuilder ExecuteStartupTasks(this IApplicationBuilder app)
{
var config = app.GetRequiredService <IConfiguration>();
var botService = app.GetRequiredService <BotService>();
app.GetRequiredService <DatabaseService>().FixTableCollation().WaitAndUnwrapException();
botService.EnsureCommandRegistration().WaitAndUnwrapException();
botService.SendStartupNotification().WaitAndUnwrapException();
app.RunMongoDbPreparation();
ChangeToken.OnChange(
() => config.GetReloadToken(),
() => botService.EnsureCommandRegistration().WaitAndUnwrapException()
);
return(app);
}