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using System;
using System.Threading.Tasks;
using Benchmarks.Configuration;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Http;
namespace Benchmarks.Middleware
{
public class SpanJsonMiddleware
{
private static readonly PathString _path = new PathString(Scenarios.GetPath(s => s.SpanJson));
private const int _bufferSize = 27;
private readonly RequestDelegate _next;
public SpanJsonMiddleware(RequestDelegate next)
{
_next = next;
}
public Task Invoke(HttpContext httpContext)
{
if (httpContext.Request.Path.StartsWithSegments(_path, StringComparison.Ordinal))
{
httpContext.Response.StatusCode = 200;
httpContext.Response.ContentType = "application/json";
httpContext.Response.ContentLength = _bufferSize;
var msg = new JsonMessage { message = "Hello, World!" };
var result = SpanJson.JsonSerializer.Generic.Utf8.SerializeAsync(msg, httpContext.Response.Body);
return result.IsCompleted ? Task.CompletedTask : result.AsTask();
}
return _next(httpContext);
}
}
public static class SpanJsonMiddlewareExtensions
{
public static IApplicationBuilder UseSpanJson(this IApplicationBuilder builder)
{
return builder.UseMiddleware<SpanJsonMiddleware>();
}
}
}
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