add kcp
This commit is contained in:
88
Src/UnityPluginsSupport/KumoKyaku/Kcp/IKcpSegment.cs
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88
Src/UnityPluginsSupport/KumoKyaku/Kcp/IKcpSegment.cs
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namespace System.Net.Sockets.Kcp
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{
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/// <summary>
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/// Kcp报头
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/// https://zhuanlan.zhihu.com/p/559191428
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/// </summary>
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public interface IKcpHeader
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{
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/// <summary>
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/// 会话编号,两方一致才会通信
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/// </summary>
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uint conv { get; set; }
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/// <summary>
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/// 指令类型
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/// </summary>
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/// <remarks>
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/// <para/> IKCP_CMD_PUSH = 81 // cmd: push data 数据报文
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/// <para/> IKCP_CMD_ACK = 82 // cmd: ack 确认报文
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/// <para/> IKCP_CMD_WASK = 83 // cmd: window probe (ask) 窗口探测报文,询问对端剩余接收窗口的大小.
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/// <para/> IKCP_CMD_WINS = 84 // cmd: window size (tell) 窗口通知报文,通知对端剩余接收窗口的大小.
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/// </remarks>
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byte cmd { get; set; }
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/// <summary>
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/// 剩余分片数量,表示随后还有多少个报文属于同一个包。
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/// </summary>
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byte frg { get; set; }
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/// <summary>
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/// 自己可用窗口大小
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/// </summary>
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ushort wnd { get; set; }
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/// <summary>
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/// 发送时的时间戳 <seealso cref="DateTimeOffset.ToUnixTimeMilliseconds"/>
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/// </summary>
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uint ts { get; set; }
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/// <summary>
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/// 编号 确认编号或者报文编号
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/// </summary>
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uint sn { get; set; }
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/// <summary>
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/// 代表编号前面的所有报都收到了的标志
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/// </summary>
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uint una { get; set; }
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/// <summary>
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/// 数据内容长度
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/// </summary>
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uint len { get; }
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}
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public interface IKcpSegment : IKcpHeader
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{
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/// <summary>
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/// 重传的时间戳。超过当前时间重发这个包
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/// </summary>
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uint resendts { get; set; }
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/// <summary>
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/// 超时重传时间,根据网络去定
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/// </summary>
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uint rto { get; set; }
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/// <summary>
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/// 快速重传机制,记录被跳过的次数,超过次数进行快速重传
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/// </summary>
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uint fastack { get; set; }
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/// <summary>
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/// 重传次数
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/// </summary>
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uint xmit { get; set; }
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/// <summary>
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/// 数据内容
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/// </summary>
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Span<byte> data { get; }
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/// <summary>
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/// 将IKcpSegment编码成字节数组,并返回总长度(包括Kcp报头)
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/// </summary>
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/// <param name="buffer"></param>
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/// <returns></returns>
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int Encode(Span<byte> buffer);
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}
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public interface ISegmentManager<Segment> where Segment : IKcpSegment
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{
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Segment Alloc(int appendDateSize);
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void Free(Segment seg);
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}
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}
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