雪花算法调整，自动生成workerid和datacenterid

MicroServices/Business/Business.Application/ResourceExamineManagement/ResourceExamineAppService.cs

@@ -76,7 +76,7 @@ namespace Business.ResourceExamineManagement
         public async Task<PschedDto> ReceiveResult(SeorderentryDto input)
         {
             mes_technique info = new mes_technique();
-            SnowFlake snow = new SnowFlake(1,1);
+            SnowFlake snow = new SnowFlake();
             info.tech_id = snow.NextId();
             info.tech_name = "ceshi";
             info.level = 1;

MicroServices/Business/Business.Core/Utilities/SnowFlake.cs

@@ -1,4 +1,8 @@
-namespace Business.Core.Utilities
+using Amazon.Runtime.Internal.Util;
+using System.Net;
+using System.Runtime.InteropServices;
+
+namespace Business.Core.Utilities
 {
     /// <summary>
     /// 雪花算法生成id
@@ -73,35 +77,113 @@
         public DateTime StartTimestamp { get; set; } = new DateTime(2010,1,1);
 
         static object syncRoot = new object();
-        static readonly Lazy<SnowFlake> snowflake = new(() => new SnowFlake(0L,0L));
+        static readonly Lazy<SnowFlake> snowflake = new(() => new SnowFlake());
 
         /// <summary>
-        /// 默认金泰实例，WorkerId = 0,DatacenterId = 0
+        /// 默认静态实例，WorkerId = 0,DatacenterId = 0
         /// </summary>
         public static SnowFlake Instance { get; } = snowflake.Value;
 
         /// <summary>
         /// 构造函数
         /// </summary>
-        /// <param name="workerId">工作机器ID</param>
-        /// <param name="datacenterId">数据中心ID</param>
         /// <exception cref="ArgumentOutOfRangeException"></exception>
-        public SnowFlake(long workerId,long datacenterId)
+        public SnowFlake()
         {
-            if (workerId > maxWorkerId || workerId < 0)
+            //生成workerid和datacenterid
+            SetWorkIdAndDatacenterId();
+            if (WorkerId > maxWorkerId || WorkerId < 0)
             {
-                throw new ArgumentOutOfRangeException(nameof(workerId),$"不能大于{maxWorkerId}或小于0");
+                throw new ArgumentOutOfRangeException(nameof(WorkerId),$"不能大于{maxWorkerId}或小于0");
             }
-            if (datacenterId > maxDatacenterId || datacenterId < 0)
+            if (DatacenterId > maxDatacenterId || DatacenterId < 0)
             {
-                throw new ArgumentOutOfRangeException(nameof(datacenterId), $"不能大于{maxDatacenterId}或小于0");
+                throw new ArgumentOutOfRangeException(nameof(DatacenterId), $"不能大于{maxDatacenterId}或小于0");
             }
-            WorkerId = workerId;
-            DatacenterId = datacenterId;
             Sequence = 0L;
             LastTimestamp = -1L;
         }
 
+        /// <summary>
+        /// 生成WorkerId和DatacenterId
+        /// </summary>
+        /// <returns></returns>
+        private void SetWorkIdAndDatacenterId()
+        {
+            string ipAdress = "";
+            string hostName = "";
+            try
+            {
+                if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
+                {
+                    hostName = Environment.GetEnvironmentVariable("MY_NODE_NAME");
+                    ipAdress = Environment.GetEnvironmentVariable("MY_HOST_IP");
+                }
+                else
+                {
+                    hostName = Dns.GetHostName();
+                    IPHostEntry ipEntity = Dns.GetHostEntry(hostName);
+                    for (int i = 0; i < ipEntity.AddressList.Length; i++)
+                    {
+                        if (ipEntity.AddressList[i].AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork)
+                        {
+                            ipAdress = ipEntity.AddressList[i].ToString();
+                        }
+                    }
+                }
+                if (string.IsNullOrEmpty(ipAdress) || string.IsNullOrEmpty(hostName))
+                {
+                    WorkerId = 0;
+                    DatacenterId = 0;
+                }
+                else
+                {
+                    WorkerId = StringToLong(ipAdress);
+                    DatacenterId = StringToLong(hostName);
+                }
+            }
+            catch (Exception)
+            {
+                WorkerId = 0;
+                DatacenterId = 0;
+            }
+        }
+
+        /// <summary>
+        /// 生成workerid和datacenterid
+        /// </summary>
+        /// <param name=""></param>
+        /// <returns></returns>
+        private long StringToLong(string strInput)
+        {
+            int[] arrays = ToCodePoints(strInput);
+            int sum = 0;
+            for (int i = 0; i < arrays.Length; i++)
+            {
+                sum += arrays[i];
+            }
+            return (long)(sum % 32);
+        }
+
+        /// <summary>
+        /// 将字符串转换成数组
+        /// </summary>
+        /// <param name="strInput"></param>
+        /// <returns></returns>
+        private int[] ToCodePoints(string strInput)
+        {
+            var codePoints = new List<int>(strInput.Length);
+            for (int i = 0; i < strInput.Length; i++)
+            {
+                codePoints.Add(char.ConvertToUtf32(strInput, i));
+                if (char.IsHighSurrogate(strInput[i]))
+                {
+                    i += 1;
+                }
+            }
+            return codePoints.ToArray();
+        }
+
         /// <summary>
         /// 获取下一个ID
         /// </summary>