/// <summary>
/// 处理请求
/// 接受请求,映射到对应的Service
/// <param name="context"></param>
/// <returns></returns>
public async Task Invoke(HttpContext context)
{
using (logger.BeginScope(new KeyValuePair <string, string>("middleware", "xframework.servicehandler")))
{
var router = GetBaseRouter(context.Request.Path);
logger.Info("Request path : {0}, router : {1}", context.Request.Path, router);
var service = ServiceHandlerProvider.GetInstance().GetService(router, context.RequestServices);
if (service == null)
{
// 自身无法处理的话交给下一个中间件处理, 完成后退出
await next(context);
return;
}
using (logger.BeginScope(new KeyValuePair <string, string>("servicehandler", service.Name)))
{
// 强制使用UTF8作为返回的Encoding
context.Response.ContentType = "application/json; charset=UTF-8";
// 这里要注意是，如果能被这个Middleware处理，它则是最后一个中间件，如果不能被它处理，则放过，让404中间件进行处理
var response = await service.Process(context);
await context.Response.WriteAsync(response);
}
}
}
/// <summary>
/// 将XFramework架构添加到服务中，便于引入Ioc
/// </summary>
/// <param name="services"></param>
/// <returns></returns>
public static IServiceCollection AddXServiceHandler
(this IServiceCollection services, IConfiguration configuration, IHostingEnvironment environment)
{
var setting = AppSetting.GetInstance();
// 初始化配置文件
configuration.Bind(setting);
setting.Enviroment = environment;
try
{
// 初始化
ServiceHandlerProvider.GetInstance().ConfigService(services);
}
catch (Exception e)
{
logger.Error(e, "Service handler start up failure");
// 销毁LogProvider，确保日志记录完整
LogProvider.GetInstance().Dispose();
throw e;
}
return(services);
}
