116 lines
3.7 KiB
C#
116 lines
3.7 KiB
C#
// 大名科技（天津）有限公司版权所有 电话：18020030720 QQ：515096995
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//
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// 此源代码遵循位于源代码树根目录中的 LICENSE 文件的许可证
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namespace Admin.NET.Core;
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/// <summary>
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/// YitIdHelper 自动获取WorkId拓展（支持分布式部署）
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/// </summary>
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public static class YitIdHelperExtension
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{
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private const string MainLockName = "IdGen:WorkerId:Lock";
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private const string MainValueKey = "IdGen:WorkerId:Value";
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private static readonly List<string> _workIds = new();
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private static SnowIdOptions _options;
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public static void AddYitIdHelper(this IServiceCollection services, SnowIdOptions options)
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{
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_options = options;
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// 排除开发环境和Windows服务器
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if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows) || App.WebHostEnvironment.IsDevelopment())
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{
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YitIdHelper.SetIdGenerator(_options);
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return;
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}
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var maxLength = Math.Pow(2, _options.WorkerIdBitLength.ParseToDouble());
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for (int i = 0; i < maxLength; i++)
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{
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_workIds.Add(i.ToString());
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}
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Random ran = new();
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Thread.Sleep(ran.Next(10, 1000));
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SetWorkId();
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}
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private static void SetWorkId()
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{
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var lockName = $"{_options.WorkerPrefix}{MainLockName}";
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var valueKey = $"{_options.WorkerPrefix}{MainValueKey}";
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var minWorkId = 0;
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var maxWorkId = Math.Pow(2, _options.WorkerIdBitLength.ParseToDouble());
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var cache = App.GetService<ICache>();
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var redisLock = cache.AcquireLock(lockName, 10000, 15000, true);
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var keys = cache == Cache.Default
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? cache.Keys.Where(u => u.StartsWith($"{_options.WorkerPrefix}{valueKey}:*"))
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: ((FullRedis)cache).Search($"{_options.WorkerPrefix}{valueKey}:*", int.MaxValue);
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var tempWorkIds = _workIds;
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foreach (var key in keys)
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{
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var tempWorkId = key[key.LastIndexOf(":", StringComparison.Ordinal)..];
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tempWorkIds.Remove(tempWorkId);
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}
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try
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{
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string workIdKey = "";
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foreach (var item in tempWorkIds)
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{
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var workIdStr = item;
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workIdKey = $"{valueKey}:{workIdStr}";
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var exist = cache.Get<bool>(workIdKey);
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if (exist)
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{
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workIdKey = "";
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continue;
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}
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Console.WriteLine($"###########当前应用WorkId:【{workIdStr}】###########");
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long workId = workIdStr.ParseToLong();
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if (workId < minWorkId || workId > maxWorkId)
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continue;
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// 设置雪花Id算法机器码
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YitIdHelper.SetIdGenerator(new IdGeneratorOptions
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{
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WorkerId = (ushort)workId,
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WorkerIdBitLength = _options.WorkerIdBitLength,
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SeqBitLength = _options.SeqBitLength
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});
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cache.Set(workIdKey, true, TimeSpan.FromSeconds(15));
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break;
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}
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if (string.IsNullOrWhiteSpace(workIdKey)) throw Oops.Oh("未设置有效的机器码,启动失败");
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// 开一个任务设置当前workId过期时间
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Task.Run(() =>
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{
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while (true)
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{
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cache.SetExpire(workIdKey, TimeSpan.FromSeconds(15));
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// Task.Delay(5000);
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Thread.Sleep(10000);
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}
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});
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}
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catch (Exception ex)
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{
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throw Oops.Oh($"{ex.Message};{ex.StackTrace};{ex.StackTrace}");
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}
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finally
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{
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redisLock?.Dispose();
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}
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}
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} |