30 lines
904 B
C#
30 lines
904 B
C#
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using System.Threading.Tasks;
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namespace PCL.Core.IO.Download;
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/// <summary>
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/// 下载连接，负责与服务器进行通信。
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/// </summary>
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public interface IDlConnection
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{
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/// <summary>
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/// 开始连接，发起与服务器的通信。
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/// </summary>
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/// <param name="beginOffset">起始偏移，为 <c>0</c> 表示不使用分块</param>
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/// <returns>连接信息</returns>
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public Task<NDlConnectionInfo> StartAsync(long beginOffset);
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/// <summary>
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/// 停止连接，同时停止服务器通信并释放资源。
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/// </summary>
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/// <returns></returns>
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public Task StopAsync();
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/// <summary>
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/// 读取指定长度的数据，若无法继续读取则返回空数组。
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/// </summary>
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/// <param name="length">读取长度</param>
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/// <returns>字节数组形式的数据</returns>
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public Task<byte[]> ReadAsync(int length);
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}
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