opentelemetry-dotnet-instru.../test/IntegrationTests/Helpers/CollectorResponseHelper.cs

80 lines
2.8 KiB
C#

// <copyright file="CollectorResponseHelper.cs" company="OpenTelemetry Authors">
// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// </copyright>
using System.IO;
using System.Net;
using System.Text;
using System.Threading.Tasks;
using Google.Protobuf;
#if NET6_0_OR_GREATER
using Microsoft.AspNetCore.Http;
#endif
namespace IntegrationTests.Helpers;
internal static class CollectorResponseHelper
{
#if NETFRAMEWORK
public static void GenerateEmptyProtobufResponse<T>(this HttpListenerContext ctx)
where T : IMessage, new()
{
// NOTE: HttpStreamRequest doesn't support Transfer-Encoding: Chunked
// (Setting content-length avoids that)
ctx.Response.ContentType = "application/x-protobuf";
ctx.Response.StatusCode = (int)HttpStatusCode.OK;
var responseMessage = new T();
ctx.Response.ContentLength64 = responseMessage.CalculateSize();
responseMessage.WriteTo(ctx.Response.OutputStream);
ctx.Response.Close();
}
public static void GenerateEmptyJsonResponse(this HttpListenerContext ctx)
{
// NOTE: HttpStreamRequest doesn't support Transfer-Encoding: Chunked
// (Setting content-length avoids that)
ctx.Response.ContentType = "application/json";
var buffer = Encoding.UTF8.GetBytes("{}");
ctx.Response.ContentLength64 = buffer.LongLength;
ctx.Response.OutputStream.Write(buffer, 0, buffer.Length);
ctx.Response.Close();
}
#endif
#if NET6_0_OR_GREATER
public static async Task GenerateEmptyProtobufResponseAsync<T>(this HttpContext ctx)
where T : IMessage, new()
{
ctx.Response.ContentType = "application/x-protobuf";
ctx.Response.StatusCode = (int)HttpStatusCode.OK;
var responseMessage = new T();
ctx.Response.ContentLength = responseMessage.CalculateSize();
using var outMemory = new MemoryStream();
responseMessage.WriteTo(outMemory);
await ctx.Response.Body.WriteAsync(outMemory.GetBuffer(), 0, (int)outMemory.Length);
await ctx.Response.CompleteAsync();
}
public static async Task GenerateEmptyJsonResponseAsync(this HttpContext ctx)
{
ctx.Response.ContentType = "application/json";
await ctx.Response.WriteAsync("{}");
}
#endif
}