commitClang

C#.NET/source/Yitter.IdGenTest/Program.cs

@@ -64,12 +64,17 @@ namespace Yitter.OrgSystem.TestA
         [DllImport("yitidgenc.dll", CallingConvention = CallingConvention.StdCall)]
         public static extern long NextId();
 
+        [DllImport("yitidgenc.dll", CallingConvention = CallingConvention.StdCall)]
+        public static extern void SetWorkerId(int workerId);
+
         private static void CallDll()
         {
             int i = 0;
             long id = 0;
             DateTime start = DateTime.Now;
 
+            SetWorkerId(1);
+
             while (i < 50000)
             {
                 id = NextId();

C/README.md

@@ -1,6 +1,8 @@
 # idgenerator
 
-something is going on.
+## 编译说明
 
-using c
+1.默认是 Linux 环境，用 CMake。
+
+2.如果是 Windows 环境，要用 Cygwin 或 MinGW。
 

C/source/.gitignore

@@ -0,0 +1,258 @@
+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+
+# User-specific files
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+*.editorconfig
+
+# User-specific files (MonoDevelop/Xamarin Studio)
+*.userprefs
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+x86/
+bld/
+[Bb]in/
+[Oo]bj/
+[Ll]og/
+
+# Visual Studio 2015 cache/options directory
+**/.vs/
+# Uncomment if you have tasks that create the project's static files in wwwroot
+#wwwroot/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+# NUNIT
+*.VisualState.xml
+TestResult.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+
+# DNX
+project.lock.json
+artifacts/
+
+*_i.c
+*_p.c
+*_i.h
+*.ilk
+*.meta
+*.obj
+*.pch
+*.pdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opendb
+*.opensdf
+*.sdf
+*.cachefile
+*.VC.db
+*.VC.VC.opendb
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+*.sap
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# JustCode is a .NET coding add-in
+.JustCode
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+nCrunchTemp_*
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.[Pp]ublish.xml
+*.azurePubxml
+# TODO: Comment the next line if you want to checkin your web deploy settings
+# but database connection strings (with potential passwords) will be unencrypted
+*.pubxml
+*.publishproj
+
+# Microsoft Azure Web App publish settings. Comment the next line if you want to
+# checkin your Azure Web App publish settings, but sensitive information contained
+# in these scripts will be unencrypted
+PublishScripts/
+
+# NuGet Packages
+*.nupkg
+*.snupkg
+# The packages folder can be ignored because of Package Restore
+**/packages/*
+# except build/, which is used as an MSBuild target.
+!**/packages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/packages/repositories.config
+# NuGet v3's project.json files produces more ignoreable files
+*.nuget.props
+*.nuget.targets
+
+# Microsoft Azure Build Output
+csx/
+*.build.csdef
+
+# Microsoft Azure Emulator
+ecf/
+rcf/
+
+# Windows Store app package directories and files
+AppPackages/
+BundleArtifacts/
+Package.StoreAssociation.xml
+_pkginfo.txt
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!*.[Cc]ache/
+
+# Others
+ClientBin/
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.pfx
+*.publishsettings
+node_modules/
+orleans.codegen.cs
+
+# Since there are multiple workflows, uncomment next line to ignore bower_components
+# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
+#bower_components/
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+
+# SQL Server files
+*.mdf
+*.ldf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# GhostDoc plugin setting file
+*.GhostDoc.xml
+
+# Node.js Tools for Visual Studio
+.ntvs_analysis.dat
+
+# Visual Studio 6 build log
+*.plg
+
+# Visual Studio 6 workspace options file
+*.opt
+
+# Visual Studio LightSwitch build output
+**/*.HTMLClient/GeneratedArtifacts
+**/*.DesktopClient/GeneratedArtifacts
+**/*.DesktopClient/ModelManifest.xml
+**/*.Server/GeneratedArtifacts
+**/*.Server/ModelManifest.xml
+_Pvt_Extensions
+
+# Paket dependency manager
+.paket/paket.exe
+paket-files/
+
+# FAKE - F# Make
+.fake/
+
+# JetBrains Rider
+.idea/
+*.sln.iml
+target/
+cmake-build*/
+
+# macOS
+.DS_Store

C/source/CMakeLists.txt

@@ -0,0 +1,27 @@
+cmake_minimum_required(VERSION 3.17)
+project(YitIdGen)
+set(CMAKE_C_STANDARD 11)
+
+#set(CMAKE_BUILD_TYPE DEBUG)
+#set(CMAKE_BUILD_TYPE RELEASE)
+
+aux_source_directory(. DIR_SRCS)
+add_subdirectory(idgen)
+
+##编译动态库
+#set(LIB_SRC YitIdHelper.h YitIdHelper.c)
+#add_library(YitIdGenLib SHARED ${LIB_SRC})
+#target_link_libraries(YitIdGenLib idgen)
+#set_target_properties(YitIdGenLib PROPERTIES
+#        LINKER_LANGUAGE C
+#        OUTPUT_NAME "yitidgenc"
+#        PREFIX "")
+
+##编译执行文件
+set(LIB_SRC YitIdHelper.h YitIdHelper.c)
+add_library(YitIdHelper ${LIB_SRC})
+add_executable(YitIdGen main.c)
+target_link_libraries(YitIdHelper idgen)
+target_link_libraries(YitIdGen YitIdHelper)
+
+

C/source/YitIdHelper.c

@@ -0,0 +1,22 @@
+/*
+ * 版权属于：yitter(yitter@126.com)
+ * 开源地址：https://gitee.com/yitter/idgenerator
+ */
+#include <stdlib.h>
+#include <stdint.h>
+#include "YitIdHelper.h"
+#include "idgen/IdGenerator.h"
+
+extern void SetIdGenerator(IdGeneratorOptions options) {
+    SetOptions(options);
+}
+
+extern void SetWorker(uint32_t workerId) {
+    IdGeneratorOptions options = BuildIdGenOptions(workerId);
+    SetIdGenerator(options);
+}
+
+extern uint64_t NextId() {
+    return GetIdGenInstance()->NextId();
+}
+

C/source/YitIdHelper.h

@@ -0,0 +1,15 @@
+/*
+ * 版权属于：yitter(yitter@126.com)
+ * 开源地址：https://gitee.com/yitter/idgenerator
+ */
+#pragma once
+
+#include "idgen/IdGenOptions.h"
+
+
+__declspec(dllexport) void __stdcall SetIdGenerator(IdGeneratorOptions options);
+
+__declspec(dllexport) void __stdcall SetWorker(uint32_t workerId);
+
+__declspec(dllexport) uint64_t __stdcall NextId();
+

C/source/idgen/CMakeLists.txt

@@ -0,0 +1,7 @@
+aux_source_directory(. DIR_LIB_SRCS)
+add_library(idgen ${DIR_LIB_SRCS})
+
+#SET(LIB_SRC ../YitIdHelper.h ../YitIdHelper.c)
+#add_library(YitIdGenLib SHARED ${LIB_SRC})
+#target_link_libraries(YitIdGenLib IdGen)
+

C/source/idgen/IdGenOptions.c

@@ -0,0 +1,34 @@
+/*
+ * 版权属于：yitter(yitter@126.com)
+ * 开源地址：https://gitee.com/yitter/idgenerator
+ */
+#include "IdGenOptions.h"
+
+
+extern IdGeneratorOptions BuildIdGenOptions(uint32_t workerId) {
+    IdGeneratorOptions options;
+
+    options.Method = 1;
+    options.BaseTime = 1582136402000;
+    options.WorkerId = workerId;
+    options.WorkerIdBitLength = 6;
+    options.SeqBitLength = 6;
+    options.MaxSeqNumber = 0;
+    options.MinSeqNumber = 5;
+    options.TopOverCostCount = 2000;
+
+    return options;
+
+//    IdGeneratorOptions *options = (IdGeneratorOptions *) malloc(sizeof(IdGeneratorOptions));
+//
+//    options->Method = 1;
+//    options->BaseTime = 1582136402000;
+//    options->WorkerId = workerId;
+//    options->WorkerIdBitLength = 6;
+//    options->SeqBitLength = 6;
+//    options->MaxSeqNumber = 63;
+//    options->MinSeqNumber = 5;
+//    options->TopOverCostCount = 2000;
+//
+//    return options;
+}

C/source/idgen/IdGenOptions.h

@@ -0,0 +1,31 @@
+/*
+ * 版权属于：yitter(yitter@126.com)
+ * 开源地址：https://gitee.com/yitter/idgenerator
+ */
+#pragma once
+
+#include <stdint.h>
+
+
+typedef struct IdGenOptions {
+    /// 雪花计算方法,（1-漂移算法|2-传统算法），默认1
+    uint8_t Method;
+    /// 基础时间（ms单位），不能超过当前系统时间
+    uint64_t BaseTime;
+    /// 机器码，与 WorkerIdBitLength 有关系
+    uint32_t WorkerId;
+    /// 机器码位长，范围：1-21（要求：序列数位长+机器码位长不超过22）
+    uint8_t WorkerIdBitLength;
+    /// 序列数位长，范围：2-21（要求：序列数位长+机器码位长不超过22）
+    uint8_t SeqBitLength;
+    /// 最大序列数（含），（由 SeqBitLength 计算的最大值）
+    uint32_t MaxSeqNumber;
+    /// 最小序列数（含），默认5，不小于5，不大于 MaxSeqNumber
+    uint32_t MinSeqNumber;
+    /// 最大漂移次数（含），默认2000，推荐范围 500-20000（与计算能力有关）
+    uint32_t TopOverCostCount;
+
+} IdGeneratorOptions;
+
+extern IdGeneratorOptions BuildIdGenOptions(uint32_t workerId);
+

C/source/idgen/IdGenerator.c

@@ -0,0 +1,107 @@
+/*
+ * 版权属于：yitter(yitter@126.com)
+ * 开源地址：https://gitee.com/yitter/idgenerator
+ */
+#include <stdio.h>
+#include <malloc.h>
+#include <pthread.h>
+#include <errno.h>
+#include <unistd.h>
+#include "IdGenerator.h"
+
+
+static inline uint64_t WorkerM1Id() {
+    return WorkerM1NextId(_idGenerator->Worker);
+}
+
+static inline uint64_t WorkerM2Id() {
+    return WorkerM2NextId(_idGenerator->Worker);
+}
+
+
+extern IdGenerator *GetIdGenInstance() {
+    if (_idGenerator != NULL)
+        return _idGenerator;
+    else {
+        _idGenerator = (IdGenerator *) malloc(sizeof(IdGenerator));
+        _idGenerator->Worker = NewSnowFlakeWorker();
+        return _idGenerator;
+    }
+}
+
+extern void SetOptions(IdGeneratorOptions options) {
+    if (GetIdGenInstance() == NULL) {
+        exit(1);
+    }
+
+    // BaseTime
+    if (options.BaseTime == 0) {
+        _idGenerator->Worker->BaseTime = 1582136402000;
+    } else if (options.BaseTime < 631123200000 || options.BaseTime > GetCurrentTime()) {
+        perror("BaseTime error.");
+        exit(1);
+    } else {
+        _idGenerator->Worker->BaseTime = options.BaseTime;
+    }
+
+    // WorkerIdBitLength
+    if (options.WorkerIdBitLength <= 0) {
+        perror("WorkerIdBitLength error.(range:[1, 21])");
+        exit(1);
+    }
+    if (options.SeqBitLength + options.WorkerIdBitLength > 22) {
+        perror("error：WorkerIdBitLength + SeqBitLength <= 22");
+        exit(1);
+    } else {
+//        _idGenerator->Worker->WorkerIdBitLength = options.WorkerIdBitLength;
+        _idGenerator->Worker->WorkerIdBitLength = options.WorkerIdBitLength <= 0 ? 6 : options.WorkerIdBitLength;
+    }
+
+    // WorkerId
+    uint32_t maxWorkerIdNumber = (1 << options.WorkerIdBitLength) - 1;
+    if (options.WorkerId < 0 || options.WorkerId > maxWorkerIdNumber) {
+        perror("WorkerId error. (range:[0, {2^options.WorkerIdBitLength-1]}");
+        exit(1);
+    } else {
+        _idGenerator->Worker->WorkerId = options.WorkerId;
+    }
+
+    // SeqBitLength
+    if (options.SeqBitLength < 2 || options.SeqBitLength > 21) {
+        perror("SeqBitLength error. (range:[2, 21])");
+        exit(1);
+    } else {
+//        _idGenerator->Worker->SeqBitLength = options.SeqBitLength;
+        _idGenerator->Worker->SeqBitLength = options.SeqBitLength <= 0 ? 6 : options.SeqBitLength;
+    }
+
+    // MaxSeqNumber
+    uint32_t maxSeqNumber = (1 << options.SeqBitLength) - 1;
+    if (options.MaxSeqNumber > maxSeqNumber) {
+        perror("MaxSeqNumber error. (range:[1, {2^options.SeqBitLength-1}]");
+        exit(1);
+    } else {
+        _idGenerator->Worker->MaxSeqNumber = options.MaxSeqNumber <= 0 ? maxSeqNumber : options.MaxSeqNumber;
+    }
+
+    // MinSeqNumber
+    if (options.MinSeqNumber > maxSeqNumber || options.MinSeqNumber < 5) {
+        perror("MinSeqNumber error. (range:[5, {options.MinSeqNumber}]");
+        exit(1);
+    } else {
+        _idGenerator->Worker->MinSeqNumber = options.MinSeqNumber <= 0 ? 5 : options.MinSeqNumber;
+    }
+
+    _idGenerator->Worker->TopOverCostCount = options.TopOverCostCount <= 0 ? 2000 : options.TopOverCostCount;
+    _idGenerator->Worker->_TimestampShift = options.WorkerIdBitLength + options.SeqBitLength;
+    _idGenerator->Worker->_CurrentSeqNumber = options.MinSeqNumber;
+
+    _idGenerator->Worker->Method = options.Method;
+    if (options.Method == 2) {
+        _idGenerator->NextId = WorkerM2Id;
+    } else {
+        _idGenerator->NextId = WorkerM1Id;
+        sleep(1);
+    }
+}
+

C/source/idgen/IdGenerator.h

@@ -0,0 +1,30 @@
+/*
+ * 版权属于：yitter(yitter@126.com)
+ * 开源地址：https://gitee.com/yitter/idgenerator
+ */
+#pragma once
+
+#include <stdio.h>
+#include <malloc.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include "IdGenOptions.h"
+#include "SnowWorkerM1.h"
+#include "SnowWorkerM2.h"
+
+
+typedef struct IdGenerator {
+    SnowFlakeWorker *Worker;
+
+    uint64_t (*NextId)();
+
+} IdGenerator;
+
+
+static IdGenerator *_idGenerator = NULL;
+
+extern IdGenerator *GetIdGenInstance();
+
+extern void SetOptions(IdGeneratorOptions options);
+

C/source/idgen/SnowWorkerM1.c

@@ -0,0 +1,154 @@
+/*
+ * 版权属于：yitter(yitter@126.com)
+ * 代码翻译：amuluowin
+ * 代码修订：yitter
+ * 开源地址：https://gitee.com/yitter/idgenerator
+ */
+#include <malloc.h>
+#include <stdlib.h>
+#include <stdbool.h>
+#include <sys/time.h>
+#include "SnowWorkerM1.h"
+
+
+pthread_mutex_t ThreadMutex = PTHREAD_MUTEX_INITIALIZER;
+
+static void EndOverCostAction(uint64_t useTimeTick, SnowFlakeWorker *worker);
+
+static uint64_t NextOverCostId(SnowFlakeWorker *worker);
+
+static uint64_t NextNormalId(SnowFlakeWorker *worker);
+
+static uint64_t CalcId(SnowFlakeWorker *worker);
+
+static uint64_t CalcTurnBackId(SnowFlakeWorker *worker);
+
+
+static inline void EndOverCostAction(uint64_t useTimeTick, SnowFlakeWorker *worker) {
+    if (worker->_TermIndex > 10000) {
+        worker->_TermIndex = 0;
+    }
+}
+
+static inline uint64_t NextOverCostId(SnowFlakeWorker *worker) {
+    uint64_t currentTimeTick = GetCurrentTimeTick(worker);
+    if (currentTimeTick > worker->_LastTimeTick) {
+        EndOverCostAction(currentTimeTick, worker);
+        worker->_LastTimeTick = currentTimeTick;
+        worker->_CurrentSeqNumber = worker->MinSeqNumber;
+        worker->_IsOverCost = false;
+        worker->_OverCostCountInOneTerm = 0;
+        worker->_GenCountInOneTerm = 0;
+        return CalcId(worker);
+    }
+    if (worker->_OverCostCountInOneTerm > worker->TopOverCostCount) {
+        EndOverCostAction(currentTimeTick, worker);
+        worker->_LastTimeTick = GetNextTimeTick(worker);
+        worker->_CurrentSeqNumber = worker->MinSeqNumber;
+        worker->_IsOverCost = false;
+        worker->_OverCostCountInOneTerm = 0;
+        worker->_GenCountInOneTerm = 0;
+        return CalcId(worker);
+    }
+    if (worker->_CurrentSeqNumber > worker->MaxSeqNumber) {
+        worker->_LastTimeTick++;
+        worker->_CurrentSeqNumber = worker->MinSeqNumber;
+        worker->_IsOverCost = true;
+        worker->_OverCostCountInOneTerm++;
+        worker->_GenCountInOneTerm++;
+        return CalcId(worker);
+    }
+
+    worker->_GenCountInOneTerm++;
+    return CalcId(worker);
+}
+
+static inline uint64_t NextNormalId(SnowFlakeWorker *worker) {
+    uint64_t currentTimeTick = GetCurrentTimeTick(worker);
+    if (currentTimeTick < worker->_LastTimeTick) {
+        if (worker->_TurnBackTimeTick < 1) {
+            worker->_TurnBackTimeTick = worker->_LastTimeTick - 1;
+            worker->_TurnBackIndex++;
+            if (worker->_TurnBackIndex > 4) {
+                worker->_TurnBackIndex = 1;
+            }
+        }
+        return CalcTurnBackId(worker);
+    }
+    if (worker->_TurnBackTimeTick > 0) {
+        worker->_TurnBackTimeTick = 0;
+    }
+    if (currentTimeTick > worker->_LastTimeTick) {
+        worker->_LastTimeTick = currentTimeTick;
+        worker->_CurrentSeqNumber = worker->MinSeqNumber;
+        return CalcId(worker);
+    }
+    if (worker->_CurrentSeqNumber > worker->MaxSeqNumber) {
+        worker->_TermIndex++;
+        worker->_LastTimeTick++;
+        worker->_CurrentSeqNumber = worker->MinSeqNumber;
+        worker->_IsOverCost = true;
+        worker->_OverCostCountInOneTerm = 1;
+        worker->_GenCountInOneTerm = 1;
+        return CalcId(worker);
+    }
+    return CalcId(worker);
+}
+
+static inline uint64_t CalcId(SnowFlakeWorker *worker) {
+    uint64_t result = (worker->_LastTimeTick << worker->_TimestampShift) | (worker->WorkerId << worker->SeqBitLength) |
+                      (worker->_CurrentSeqNumber);
+    worker->_CurrentSeqNumber++;
+    return result;
+}
+
+static inline uint64_t CalcTurnBackId(SnowFlakeWorker *worker) {
+    uint64_t result = (worker->_LastTimeTick << worker->_TimestampShift) | (worker->WorkerId << worker->SeqBitLength) |
+                      (worker->_TurnBackTimeTick);
+    worker->_TurnBackTimeTick--;
+    return result;
+}
+
+
+extern SnowFlakeWorker *NewSnowFlakeWorker() {
+    SnowFlakeWorker *worker = (SnowFlakeWorker *) malloc(sizeof(SnowFlakeWorker));
+    worker->_IsOverCost = false;
+    return worker;
+}
+
+extern uint64_t WorkerM1NextId(SnowFlakeWorker *worker) {
+    pthread_mutex_lock(&ThreadMutex);
+    uint64_t id = worker->_IsOverCost ? NextOverCostId(worker) : NextNormalId(worker);
+    pthread_mutex_unlock(&ThreadMutex);
+    return id;
+}
+
+extern uint64_t GetCurrentTimeTick(SnowFlakeWorker *worker) {
+    static struct timeval tv;
+    gettimeofday(&tv, NULL);
+    return (uint64_t)(tv.tv_sec * 1000 + tv.tv_usec / 1000 - worker->BaseTime);
+}
+
+extern uint64_t GetCurrentTime() {
+    static struct timeval tv;
+    gettimeofday(&tv, NULL);
+    return (uint64_t)(tv.tv_sec * 1000 + tv.tv_usec / 1000);
+
+    //static struct timeb t1;
+    //    ftime(&t1);
+    //    return (uint64_t) ((t1.time * 1000 + t1.millitm));
+}
+
+extern uint64_t GetCurrentMicroTime() {
+    static struct timeval tv;
+    gettimeofday(&tv, NULL);
+    return (uint64_t)(tv.tv_sec * 1000000 + tv.tv_usec);
+}
+
+extern uint64_t GetNextTimeTick(SnowFlakeWorker *worker) {
+    uint64_t tempTimeTicker = GetCurrentTimeTick(worker);
+    while (tempTimeTicker <= worker->_LastTimeTick) {
+        tempTimeTicker = GetCurrentTimeTick(worker);
+    }
+    return tempTimeTicker;
+}

C/source/idgen/SnowWorkerM1.h

@@ -0,0 +1,53 @@
+/*
+ * 版权属于：yitter(yitter@126.com)
+ * 代码翻译：amuluowin
+ * 代码修订：yitter
+ * 开源地址：https://gitee.com/yitter/idgenerator
+ */
+#pragma once
+
+#include <stdlib.h>
+#include <stdint.h>
+#include <sys/timeb.h>
+#include <pthread.h>
+#include <stdbool.h>
+#include "IdGenOptions.h"
+
+
+extern pthread_mutex_t ThreadMutex;
+
+typedef struct SnowFlakeWorker {
+    uint8_t Method;
+    uint64_t BaseTime;
+    uint32_t WorkerId;
+    uint8_t WorkerIdBitLength;
+    uint8_t SeqBitLength;
+    uint32_t MaxSeqNumber;
+    uint32_t MinSeqNumber;
+    uint32_t TopOverCostCount;
+
+    uint8_t _TimestampShift;
+    uint32_t _CurrentSeqNumber;
+    int64_t _LastTimeTick;
+    int64_t _TurnBackTimeTick;
+    uint8_t _TurnBackIndex;
+    bool _IsOverCost;
+    uint32_t _OverCostCountInOneTerm;
+    uint32_t _GenCountInOneTerm;
+    uint32_t _TermIndex;
+
+} SnowFlakeWorker;
+
+
+extern SnowFlakeWorker *NewSnowFlakeWorker();
+
+extern uint64_t WorkerM1NextId(SnowFlakeWorker *worker);
+
+extern uint64_t GetCurrentTimeTick(SnowFlakeWorker *worker);
+
+extern uint64_t GetNextTimeTick(SnowFlakeWorker *worker);
+
+extern uint64_t GetCurrentTime();
+
+extern uint64_t GetCurrentMicroTime();
+

C/source/idgen/SnowWorkerM2.c

@@ -0,0 +1,30 @@
+/*
+ * 版权属于：yitter(yitter@126.com)
+ * 代码翻译：amuluowin
+ * 代码修订：yitter
+ * 开源地址：https://gitee.com/yitter/idgenerator
+ */
+#include <malloc.h>
+#include <stdlib.h>
+#include <pthread.h>
+#include "SnowWorkerM2.h"
+
+
+extern uint64_t WorkerM2NextId(SnowFlakeWorker *worker) {
+    pthread_mutex_lock(&ThreadMutex);
+    uint64_t currentTimeTick = GetCurrentTimeTick(worker);
+    if (worker->_LastTimeTick == currentTimeTick) {
+        worker->_CurrentSeqNumber = (++worker->_CurrentSeqNumber) & worker->MaxSeqNumber;
+        if (worker->_CurrentSeqNumber == 0) {
+            currentTimeTick = GetNextTimeTick(worker);
+        }
+    } else {
+        worker->_CurrentSeqNumber = worker->MinSeqNumber;
+    }
+    worker->_LastTimeTick = currentTimeTick;
+    uint64_t id = (uint64_t) ((currentTimeTick << worker->_TimestampShift) |
+                              (worker->WorkerId << worker->SeqBitLength) |
+                              worker->_CurrentSeqNumber);
+    pthread_mutex_unlock(&ThreadMutex);
+    return id;
+}

C/source/idgen/SnowWorkerM2.h

@@ -0,0 +1,13 @@
+/*
+ * 版权属于：yitter(yitter@126.com)
+ * 代码翻译：amuluowin
+ * 代码修订：yitter
+ * 开源地址：https://gitee.com/yitter/idgenerator
+ */
+#pragma once
+
+#include <stdlib.h>
+#include "SnowWorkerM1.h"
+
+
+extern uint64_t WorkerM2NextId(SnowFlakeWorker *worker);

C/source/main.c

@@ -0,0 +1,67 @@
+/*
+ * 版权属于：yitter(yitter@126.com)
+ * 代码翻译：amuluowin
+ * 代码修订：yitter
+ * 开源地址：https://gitee.com/yitter/idgenerator
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/timeb.h>
+#include <pthread.h>
+#include <unistd.h>
+#include <stdbool.h>
+#include "idgen/SnowWorkerM1.h"
+#include "idgen/IdGenerator.h"
+#include "YitIdHelper.h"
+
+
+const int GenIdCount = 50000;
+const bool multiThread = false;
+const int threadCount = 50;
+const int method = 1;
+
+void RunMultiThread() {
+    //int64_t start = GetCurrentMicroTime();
+    for (int i = 0; i < GenIdCount / threadCount; i++) {
+        int64_t id = NextId();
+        printf("生成ID: %ld\n", id);
+    }
+
+    int64_t end = GetCurrentMicroTime();
+    //printf("%s，total：%d μs\n", method == 1 ? "1" : "2", (end - start));
+}
+
+void RunSingle() {
+    int64_t start = GetCurrentMicroTime();
+    for (int i = 0; i < GenIdCount; i++) {
+        int64_t id = NextId();
+//        printf("生成ID: %ld\n", id);
+    }
+
+    int64_t end = GetCurrentMicroTime();
+    printf("%s，total：%d μs\n", method == 1 ? "1" : "2", (end - start));
+}
+
+int main() {
+    IdGeneratorOptions options = BuildIdGenOptions(1);
+    options.Method = method;
+    options.WorkerId = 1;
+    options.SeqBitLength = 6;
+    SetIdGenerator(options);
+
+    pthread_t tid[threadCount];
+    while (1) {
+        if (multiThread) {
+            for (int i = 0; i < threadCount; i++) {
+                if (pthread_create(&tid[i], NULL, (void *) RunMultiThread, NULL) != 0) {
+                    printf("thread creation failed\n");
+                    exit(1);
+                }
+            }
+        } else {
+            RunSingle();
+        }
+
+        sleep(1);
+    }
+}