using System;
using System.Collections.Generic;
using System.Threading;
using Cpp2IlInjected;

namespace BestHTTP.Extensions
{
	// Token: 0x02001F97 RID: 8087
	[Token(Token = "0x2001F97")]
	public sealed class HeartbeatManager
	{
		// Token: 0x0600CCE9 RID: 52457 RVA: 0x002EE154 File Offset: 0x002EC354
		[Token(Token = "0x600CCE9")]
		[Address(RVA = "0x1728640", Offset = "0x1727440", VA = "0x181728640")]
		public void Subscribe(IHeartbeat heartbeat)
		{
			int num;
			do
			{
				num = 0;
				List<IHeartbeat> heartbeats = this.Heartbeats;
				if (!this.Heartbeats.Contains(heartbeat))
				{
					this.Heartbeats.Add(heartbeat);
				}
				Monitor.Exit(heartbeats);
			}
			while (num != 0);
		}

		// Token: 0x0600CCEA RID: 52458 RVA: 0x002EE19C File Offset: 0x002EC39C
		[Token(Token = "0x600CCEA")]
		[Address(RVA = "0x1728730", Offset = "0x1727530", VA = "0x181728730")]
		public void Unsubscribe(IHeartbeat heartbeat)
		{
			int num;
			do
			{
				num = 0;
				List<IHeartbeat> heartbeats = this.Heartbeats;
				bool flag = this.Heartbeats.Remove(heartbeat);
				Monitor.Exit(heartbeats);
			}
			while (num != 0);
		}

		// Token: 0x0600CCEB RID: 52459 RVA: 0x002EE1D0 File Offset: 0x002EC3D0
		[Token(Token = "0x600CCEB")]
		[Address(RVA = "0x1728800", Offset = "0x1727600", VA = "0x181728800")]
		public void Update()
		{
			int num = 0;
			DateTime lastUpdate = this.LastUpdate;
			DateTime minValue = DateTime.MinValue;
			if (!(lastUpdate == minValue))
			{
				DateTime utcNow = DateTime.UtcNow;
				DateTime lastUpdate2 = this.LastUpdate;
				TimeSpan timeSpan = utcNow - lastUpdate2;
				DateTime utcNow2 = DateTime.UtcNow;
				this.LastUpdate = utcNow2;
				List<IHeartbeat> heartbeats = this.Heartbeats;
				IHeartbeat[] updateArray = this.UpdateArray;
				if (updateArray != 0)
				{
					int size = this.Heartbeats._size;
					if (updateArray.Length >= size)
					{
						goto IL_7F;
					}
				}
				List<IHeartbeat> heartbeats2 = this.Heartbeats;
				IL_7F:
				int size2 = this.Heartbeats._size;
				List<IHeartbeat> heartbeats3 = this.Heartbeats;
				int num2 = 0;
				Monitor.Exit(heartbeats);
				if (num != 0)
				{
					throw new IndexOutOfRangeException();
				}
				IHeartbeat heartbeat = this.UpdateArray[num2];
				num2++;
			}
			DateTime utcNow3 = DateTime.UtcNow;
			this.LastUpdate = utcNow3;
		}

		// Token: 0x0600CCEC RID: 52460 RVA: 0x002EE2D0 File Offset: 0x002EC4D0
		[Token(Token = "0x600CCEC")]
		[Address(RVA = "0x1728A80", Offset = "0x1727880", VA = "0x181728A80")]
		public HeartbeatManager()
		{
			List<IHeartbeat> list = new List();
			this.Heartbeats = list;
			DateTime minValue = DateTime.MinValue;
			this.LastUpdate = minValue;
			base..ctor();
		}

		// Token: 0x0400826A RID: 33386
		[FieldOffset(Offset = "0x10")]
		[Token(Token = "0x400826A")]
		private List<IHeartbeat> Heartbeats;

		// Token: 0x0400826B RID: 33387
		[FieldOffset(Offset = "0x18")]
		[Token(Token = "0x400826B")]
		private IHeartbeat[] UpdateArray;

		// Token: 0x0400826C RID: 33388
		[FieldOffset(Offset = "0x20")]
		[Token(Token = "0x400826C")]
		private DateTime LastUpdate;
	}
}