mirror of
https://gitee.com/ThingsGateway/ThingsGateway.git
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134 lines
4.6 KiB
C#
134 lines
4.6 KiB
C#
#region copyright
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//------------------------------------------------------------------------------
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// 此代码版权声明为全文件覆盖，如有原作者特别声明，会在下方手动补充
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// 此代码版权（除特别声明外的代码）归作者本人Diego所有
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// 源代码使用协议遵循本仓库的开源协议及附加协议
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// Gitee源代码仓库：https://gitee.com/diego2098/ThingsGateway
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// Github源代码仓库：https://github.com/kimdiego2098/ThingsGateway
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// 使用文档：https://diego2098.gitee.io/thingsgateway-docs/
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// QQ群：605534569
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//------------------------------------------------------------------------------
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#endregion
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//------------------------------------------------------------------------------
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// 此代码版权（除特别声明或在XREF结尾的命名空间的代码）归作者本人若汝棋茗所有
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// 源代码使用协议遵循本仓库的开源协议及附加协议，若本仓库没有设置，则按MIT开源协议授权
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// CSDN博客：https://blog.csdn.net/qq_40374647
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// 哔哩哔哩视频：https://space.bilibili.com/94253567
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// Gitee源代码仓库：https://gitee.com/RRQM_Home
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// Github源代码仓库：https://github.com/RRQM
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// API首页：http://rrqm_home.gitee.io/touchsocket/
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// 交流QQ群：234762506
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// 感谢您的下载和使用
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//------------------------------------------------------------------------------
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//------------------------------------------------------------------------------
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namespace ThingsGateway.Foundation.Dmtp
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{
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/// <summary>
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/// 关于具有流速的操作器。
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/// </summary>
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public abstract class FlowOperator
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{
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/// <summary>
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/// 已完成长度
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/// </summary>
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protected long completedLength;
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/// <summary>
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/// 进度
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/// </summary>
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protected float m_progress;
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private readonly FlowGate m_flowGate = new FlowGate();
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private long m_speed;
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private long m_speedTemp;
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/// <summary>
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/// 已完成长度
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/// </summary>
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/// <returns></returns>
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public long CompletedLength { get => this.completedLength; }
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/// <summary>
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/// 流量控制器。
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/// </summary>
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public FlowGate FlowGate => this.m_flowGate;
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/// <summary>
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/// 由<see cref="Result"/>的结果，判断是否已结束操作。
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/// </summary>
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public virtual bool IsEnd { get => this.Result.ResultCode != ResultCode.Default; }
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/// <summary>
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/// 数据源的全部长度。
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/// </summary>
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public long Length { get; protected set; }
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/// <summary>
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/// 最大传输速度。
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/// </summary>
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public virtual long MaxSpeed { get => this.m_flowGate.Maximum; set => this.m_flowGate.Maximum = value; }
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/// <summary>
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/// 元数据
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/// </summary>
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public Metadata Metadata { get; set; }
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/// <summary>
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/// 进度
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/// </summary>
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public float Progress => this.m_progress;
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/// <summary>
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/// 执行结果
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/// </summary>
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public Result Result { get; protected set; }
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/// <summary>
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/// 超时时间，默认10*1000ms。
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/// </summary>
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public TimeSpan Timeout { get; set; } = TimeSpan.FromSeconds(10);
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/// <summary>
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/// 可取消令箭
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/// </summary>
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public CancellationToken Token { get; set; }
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/// <summary>
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/// 从上次获取到此次获得的速度
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/// </summary>
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/// <returns></returns>
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public long Speed()
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{
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this.m_speed = this.m_speedTemp;
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this.m_speedTemp = 0;
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return this.m_speed;
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}
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/// <summary>
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/// 添加流速(线程安全)
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/// </summary>
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/// <param name="flow"></param>
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protected virtual void ProtectedAddFlow(int flow)
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{
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this.m_flowGate.AddCheckWait(flow);
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Interlocked.Add(ref this.m_speedTemp, flow);
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this.m_progress = (float)((double)Interlocked.Add(ref this.completedLength, flow) / this.Length);
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}
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/// <summary>
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/// 添加流速(线程安全)
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/// </summary>
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/// <param name="flow"></param>
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/// <returns></returns>
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protected virtual async Task ProtectedAddFlowAsync(int flow)
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{
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await this.m_flowGate.AddCheckWaitAsync(flow);
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Interlocked.Add(ref this.m_speedTemp, flow);
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this.m_progress = (float)((double)Interlocked.Add(ref this.completedLength, flow) / this.Length);
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}
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}
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} |