lxm_library_java/SnowFlake-IdGenerator
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yitter
2021-04-05 21:21:39 +08:00
parent be0994641d
commit 2f4adc1a2e
13 changed files with 46 additions and 53 deletions
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38
C/source/idgen/SnowWorkerM1.c
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@@ -14,24 +14,24 @@
pthread_mutex_t ThreadMutex = PTHREAD_MUTEX_INITIALIZER;
static void EndOverCostAction(uint64_t useTimeTick, SnowFlakeWorker *worker);
static void EndOverCostAction(int64_t useTimeTick, SnowFlakeWorker *worker);
static uint64_t NextOverCostId(SnowFlakeWorker *worker);
static int64_t NextOverCostId(SnowFlakeWorker *worker);
static uint64_t NextNormalId(SnowFlakeWorker *worker);
static int64_t NextNormalId(SnowFlakeWorker *worker);
static uint64_t CalcId(SnowFlakeWorker *worker);
static int64_t CalcId(SnowFlakeWorker *worker);
static uint64_t CalcTurnBackId(SnowFlakeWorker *worker);
static int64_t CalcTurnBackId(SnowFlakeWorker *worker);
static inline void EndOverCostAction(uint64_t useTimeTick, SnowFlakeWorker *worker) {
static inline void EndOverCostAction(int64_t useTimeTick, SnowFlakeWorker *worker) {
if (worker->_TermIndex > 10000) {
worker->_TermIndex = 0;
}
}
static inline uint64_t NextOverCostId(SnowFlakeWorker *worker) {
static inline int64_t NextOverCostId(SnowFlakeWorker *worker) {
uint64_t currentTimeTick = GetCurrentTimeTick(worker);
if (currentTimeTick > worker->_LastTimeTick) {
EndOverCostAction(currentTimeTick, worker);
@@ -64,7 +64,7 @@ static inline uint64_t NextOverCostId(SnowFlakeWorker *worker) {
return CalcId(worker);
}
static inline uint64_t NextNormalId(SnowFlakeWorker *worker) {
static inline int64_t NextNormalId(SnowFlakeWorker *worker) {
uint64_t currentTimeTick = GetCurrentTimeTick(worker);
if (currentTimeTick < worker->_LastTimeTick) {
if (worker->_TurnBackTimeTick < 1) {
@@ -102,14 +102,14 @@ static inline uint64_t NextNormalId(SnowFlakeWorker *worker) {
return CalcId(worker);
}
static inline uint64_t CalcId(SnowFlakeWorker *worker) {
static inline int64_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) {
static inline int64_t CalcTurnBackId(SnowFlakeWorker *worker) {
uint64_t result = (worker->_LastTimeTick << worker->_TimestampShift) | (worker->WorkerId << worker->SeqBitLength) |
(worker->_TurnBackTimeTick);
worker->_TurnBackTimeTick--;
@@ -130,36 +130,36 @@ extern SnowFlakeWorker *NewSnowFlakeWorker() {
return worker;
}
extern uint64_t WorkerM1NextId(SnowFlakeWorker *worker) {
extern int64_t WorkerM1NextId(SnowFlakeWorker *worker) {
pthread_mutex_lock(&ThreadMutex);
uint64_t id = worker->_IsOverCost ? NextOverCostId(worker) : NextNormalId(worker);
int64_t id = worker->_IsOverCost ? NextOverCostId(worker) : NextNormalId(worker);
pthread_mutex_unlock(&ThreadMutex);
return id;
}
extern uint64_t GetCurrentTimeTick(SnowFlakeWorker *worker) {
extern int64_t GetCurrentTimeTick(SnowFlakeWorker *worker) {
struct timeval tv;
gettimeofday(&tv, NULL);
return ((uint64_t) tv.tv_sec * 1000 + tv.tv_usec / 1000 - worker->BaseTime);
return ((int64_t) tv.tv_sec * 1000 + tv.tv_usec / 1000 - worker->BaseTime);
}
extern uint64_t GetCurrentTime() {
extern int64_t GetCurrentTime() {
struct timeval tv;
gettimeofday(&tv, NULL);
return ((uint64_t) (tv.tv_sec)) * 1000 + tv.tv_usec / 1000;
return ((int64_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() {
extern int64_t GetCurrentMicroTime() {
struct timeval tv;
gettimeofday(&tv, NULL);
return ((uint64_t) tv.tv_sec * 1000000 + tv.tv_usec);
return ((int64_t) tv.tv_sec * 1000000 + tv.tv_usec);
}
extern uint64_t GetNextTimeTick(SnowFlakeWorker *worker) {
extern int64_t GetNextTimeTick(SnowFlakeWorker *worker) {
uint64_t tempTimeTicker = GetCurrentTimeTick(worker);
while (tempTimeTicker <= worker->_LastTimeTick) {
tempTimeTicker = GetCurrentTimeTick(worker);