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#region Copyright notice and license
// Copyright 2015 gRPC 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.
#endregion
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Text.RegularExpressions;
using System.Threading;
using System.Threading.Tasks;
using Google.Protobuf;
using Grpc.Core;
using Grpc.Core.Utils;
using NUnit.Framework;
using Grpc.Testing;
namespace Grpc.IntegrationTesting
{
/// <summary>
/// Snapshottable wall clock stopwatch.
/// </summary>
public class WallClockStopwatch
{
long startTicks;
public WallClockStopwatch()
{
this.startTicks = DateTime.UtcNow.Ticks;
}
public TimeSpan GetElapsedSnapshot(bool reset)
{
var utcNow = DateTime.UtcNow;
long oldStartTicks;
if (reset)
{
oldStartTicks = Interlocked.Exchange(ref this.startTicks, utcNow.Ticks);
}
else
{
oldStartTicks = this.startTicks;
}
return utcNow - new DateTime(oldStartTicks, DateTimeKind.Utc);
}
}
}
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