// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
namespace Microsoft.Extensions.Http.Latency.Internal;
 
internal static class HttpCheckpoints
{
    public const string SocketConnectStart = "cons";
    public const string SocketConnectEnd = "cone";
    public const string ConnectionEstablished = "cones";
    public const string RequestLeftQueue = "rlq";
 
    public const string NameResolutionStart = "dnss";
    public const string NameResolutionEnd = "dnse";
 
    public const string RequestHeadersStart = "reqhs";
    public const string RequestHeadersEnd = "reqhe";
 
    public const string RequestContentStart = "reqcs";
    public const string RequestContentEnd = "reqce";
 
    public const string ResponseHeadersStart = "reshs";
    public const string ResponseHeadersEnd = "reshe";
 
    public const string ResponseContentStart = "rescs";
    public const string ResponseContentEnd = "resce";
 
    public const string HandlerRequestStart = "handreqs";
    public const string EnricherInvoked = "enrin";
 
    public static readonly string[] Checkpoints = new[]
    {
        SocketConnectStart,
        SocketConnectEnd,
        ConnectionEstablished,
        RequestLeftQueue,
 
        NameResolutionStart,
        NameResolutionEnd,
 
        RequestHeadersStart,
        RequestHeadersEnd,
 
        RequestContentStart,
        RequestContentEnd,
 
        ResponseHeadersStart,
        ResponseHeadersEnd,
 
        ResponseContentStart,
        ResponseContentEnd,
 
        HandlerRequestStart,
        EnricherInvoked
    };
}