66 lines
2.6 KiB
C#
66 lines
2.6 KiB
C#
using System.Runtime.InteropServices;
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using JNPF.Common.Cache;
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using JNPF.Common.Const;
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using JNPF.FriendlyException;
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using Yitter.IdGenerator;
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namespace JNPF.Common.Security;
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/// <summary>
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/// 分布式雪花ID帮助类.
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/// </summary>
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public class SnowflakeIdHelper
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{
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// 定义dll路径
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public const string RegWorkerId_DLL_NAME = "lib\\regworkerid_lib_v1.3.1\\yitidgengo.dll";
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// 根据文档定义三个接口
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// 注册一个 WorkerId，会先注销所有本机已注册的记录
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// ip: redis 服务器地址
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// port: redis 端口
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// password: redis 访问密码，可为空字符串“”
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// maxWorkerId: 最大 WorkerId
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[DllImport(RegWorkerId_DLL_NAME, EntryPoint = "RegisterOne", CallingConvention = CallingConvention.Cdecl, ExactSpelling = false)]
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private static extern ushort RegisterOne(string ip, int port, string password, int maxWorkerId);
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// 注销本机已注册的 WorkerId
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[DllImport(RegWorkerId_DLL_NAME, EntryPoint = "UnRegister", CallingConvention = CallingConvention.Cdecl, ExactSpelling = false)]
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private static extern void UnRegister();
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// 检查本地WorkerId是否有效（0-有效，其它-无效）
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[DllImport(RegWorkerId_DLL_NAME, EntryPoint = "Validate", CallingConvention = CallingConvention.Cdecl, ExactSpelling = false)]
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private static extern int Validate(int workerId);
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/// <summary>
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/// 初始化YitId配置
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/// </summary>
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public static void InitYitIdWorker()
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{
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//var option = new IdGeneratorOptions
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//{
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// WorkerId = 1, //必须 全局唯一,必须 程序设定,理论最大值 2^WorkerIdBitLength-1
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// //BaseTime = new DateTime(2023, 1, 1, 0, 0, 0, DateTimeKind.Utc), //用生成ID时的系统时间与基础时间的差值(毫秒数)作为生成ID的时间戳
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// WorkerIdBitLength = 16, //机器码位长,决定 WorkerId 的最大值,默认值6,取值范围 [1, 16]
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// //SeqBitLength = 4, //序列数位长,默认值6,取值范围 [3, 21](建议不小于4),决定每毫秒基础生成的ID个数
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// //MinSeqNumber = 5, //最小序列数,默认值5,取值范围 [5, MaxSeqNumber]
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// //MaxSeqNumber 最大序列数，设置范围 [MinSeqNumber, 2^SeqBitLength-1]，默认值0
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//};
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var option = App.GetConfig<IdGeneratorOptions>("YitId");
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if (option.WorkerId == 0)
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{
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CacheOptions _cacheOptions = App.GetConfig<CacheOptions>("Cache", true);
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option.WorkerId = RegisterOne(_cacheOptions.ip, _cacheOptions.port, _cacheOptions.password, 63);
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}
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YitIdHelper.SetIdGenerator(option);
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}
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/// <summary>
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/// 生成ID.
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/// </summary>
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/// <returns></returns>
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public static string NextId()
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{
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return YitIdHelper.NextId().ToString();
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}
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} |