82 lines
2.5 KiB
C#
82 lines
2.5 KiB
C#
using System;
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using System.Web;
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using System.Threading;
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namespace CYQ.Data.Tool
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{
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/// <summary>
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/// 静态方法工具类
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/// </summary>
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internal static class StaticTool
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{
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/// <summary>
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/// 将GUID转成16字节字符串
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/// </summary>
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/// <returns></returns>
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internal static string ToGuidByteString(string guid)
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{
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return BitConverter.ToString(new Guid(guid).ToByteArray()).Replace("-", "");
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}
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/// <summary>
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/// 【用于分布式】
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/// </summary>
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/// <param name="sourceString"></param>
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/// <returns></returns>
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internal static string GetHashKey(string sourceString)
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{
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return HashCreator.CreateKey(sourceString);
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}
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/// <summary>
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/// 用于标识（以用户为单位）的 主从 的唯一标识
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/// </summary>
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/// <returns></returns>
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public static string GetMasterSlaveKey()
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{
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return "MasterSlave_" + GetMasterSlaveID();
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}
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/// <summary>
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/// 用于标识（以线程为单位）的 全局事务 的唯一标识
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/// </summary>
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public static string GetTransationKey(string conn)
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{
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//在Task 协程 异步中，可能会有不同的线程执行任务，这特殊情况后续再考量。
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string hash = ConnBean.GetHashKey(conn);
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return "Transation_" + Thread.CurrentThread.ManagedThreadId + hash;
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}
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private static string GetMasterSlaveID()
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{
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string id = string.Empty;
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//避开异常：请求在此上下文中不可用（Global.asax.cs：Application_Start 方法）
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HttpContext context = HttpContext.Current;
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if (context != null && context.Handler != null)
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{
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HttpRequest request = context.Request;
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if (request["token"] != null)
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{
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id = request["token"];
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}
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else if (request.Headers["token"] != null)
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{
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id = request.Headers["token"];
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}
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else if (context.Session != null)
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{
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id = context.Session.SessionID;
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}
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if (string.IsNullOrEmpty(id))
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{
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id = request.UserHostAddress;//获取IP地址。
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}
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}
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if (string.IsNullOrEmpty(id))
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{
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id = LocalEnvironment.ProcessID.ToString();//winform
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}
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return id;
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}
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}
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}
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