Files
OpenFlare/internal/db/idgen/snowflake.go
T
2026-06-10 13:50:58 +08:00

40 lines
813 B
Go

// Copyright 2025 linux.do
// Copyright 2026 Arctel.net
// SPDX-License-Identifier: Apache-2.0
// Package idgen 提供分布式 ID 生成器
package idgen
import (
"log"
"github.com/Rain-kl/Wavelet/internal/config"
"github.com/bwmarrin/snowflake"
)
// 2025-12-01 00:00:00 UTC 的毫秒时间戳
const epoch int64 = 1764547200000
var node *snowflake.Node
func init() {
snowflake.Epoch = epoch
nodeID := config.Config.App.NodeID
var err error
node, err = snowflake.NewNode(nodeID)
if err != nil {
log.Fatalf("[Snowflake] init failed: %v\n", err)
}
log.Printf("[Snowflake] initialized with node ID: %d, epoch: 2025-12-01\n", nodeID)
}
// NextUint64ID 生成下一个分布式唯一 ID
func NextUint64ID() uint64 {
val := node.Generate().Int64()
if val < 0 {
return 0
}
return uint64(val)
}