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This commit is contained in:
Liu Jicong 2022-03-15 20:07:48 +08:00
parent bd60e92f29
commit da65b721d6
1 changed files with 10 additions and 10 deletions
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20
source/util/src/tuuid.c
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@ -15,43 +15,43 @@
#include "tuuid.h" #include "tuuid.h"
static int64_t hashId = 0; static int64_t tUUIDHashId = 0;
static int32_t SerialNo = 0; static int32_t tUUIDSerialNo = 0;
int32_t tGenIdPI32(void) { int32_t tGenIdPI32(void) {
if (hashId == 0) { if (tUUIDHashId == 0) {
char uid[64]; char uid[64];
int32_t code = taosGetSystemUUID(uid, tListLen(uid)); int32_t code = taosGetSystemUUID(uid, tListLen(uid));
if (code != TSDB_CODE_SUCCESS) { if (code != TSDB_CODE_SUCCESS) {
terrno = TAOS_SYSTEM_ERROR(errno); terrno = TAOS_SYSTEM_ERROR(errno);
} else { } else {
hashId = MurmurHash3_32(uid, strlen(uid)); tUUIDHashId = MurmurHash3_32(uid, strlen(uid));
} }
} }
int64_t ts = taosGetTimestampMs(); int64_t ts = taosGetTimestampMs();
uint64_t pid = taosGetPId(); uint64_t pid = taosGetPId();
int32_t val = atomic_add_fetch_32(&SerialNo, 1); int32_t val = atomic_add_fetch_32(&tUUIDSerialNo, 1);
int32_t id = ((hashId & 0x1F) << 26) | ((pid & 0x3F) << 20) | ((ts & 0xFFF) << 8) | (val & 0xFF); int32_t id = ((tUUIDHashId & 0x1F) << 26) | ((pid & 0x3F) << 20) | ((ts & 0xFFF) << 8) | (val & 0xFF);
return id; return id;
} }
int64_t tGenIdPI64(void) { int64_t tGenIdPI64(void) {
if (hashId == 0) { if (tUUIDHashId == 0) {
char uid[64]; char uid[64];
int32_t code = taosGetSystemUUID(uid, tListLen(uid)); int32_t code = taosGetSystemUUID(uid, tListLen(uid));
if (code != TSDB_CODE_SUCCESS) { if (code != TSDB_CODE_SUCCESS) {
terrno = TAOS_SYSTEM_ERROR(errno); terrno = TAOS_SYSTEM_ERROR(errno);
} else { } else {
hashId = MurmurHash3_32(uid, strlen(uid)); tUUIDHashId = MurmurHash3_32(uid, strlen(uid));
} }
} }
int64_t ts = taosGetTimestampMs(); int64_t ts = taosGetTimestampMs();
uint64_t pid = taosGetPId(); uint64_t pid = taosGetPId();
int32_t val = atomic_add_fetch_32(&SerialNo, 1); int32_t val = atomic_add_fetch_32(&tUUIDSerialNo, 1);
int64_t id = ((hashId & 0x07FF) << 52) | ((pid & 0x0FFF) << 40) | ((ts & 0xFFFFFF) << 16) | (val & 0xFFFF); int64_t id = ((tUUIDHashId & 0x07FF) << 52) | ((pid & 0x0FFF) << 40) | ((ts & 0xFFFFFF) << 16) | (val & 0xFFFF);
return id; return id;
} }