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- 后台设备停复机不再设置 1 小时保护期，也不再因保护期拒绝相反操作；单卡手动停复机去掉保护期检查 - 删除保护期一致性轮询（polling:protect）及其强制停复机方法；调度、初始化、监控、匹配预览不再包含保护期；已入队的旧任务由空处理函数直接确认，下一次发布移除 - 轮询配置接口不再接受与返回 protect_check_interval；并发配置不再返回 protect，查询、更新、重置该类型时拒绝 - 资产详情 device_protect_status 固定返回 none 并标记废弃，兼容老版本客户端 - 删除保护期 Redis key 与时长常量；停机原因 protect_period 保留供历史数据与开放接口映射 - 迁移 000249 只把 protect_check_interval、last_protect_check_at 列注释标记为已废弃，不删列不改数据
356 lines
10 KiB
Go
356 lines
10 KiB
Go
package polling
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import (
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"context"
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"fmt"
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"sync"
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"sync/atomic"
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"time"
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"github.com/redis/go-redis/v9"
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"go.uber.org/zap"
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"github.com/break/junhong_cmp_fiber/internal/model"
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"github.com/break/junhong_cmp_fiber/internal/store/postgres"
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"github.com/break/junhong_cmp_fiber/pkg/constants"
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)
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// initProgress 初始化进度内部状态（字段通过 GetProgress 快照对外，避免暴露锁）
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type initProgress struct {
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mu sync.RWMutex
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totalCards int64
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loadedCards int64
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startTime time.Time
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lastBatchTime time.Time
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status string
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errorMessage string
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}
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// InitProgress 初始化进度快照（GetProgress 返回的值拷贝，调用方无需加锁）
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type InitProgress struct {
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TotalCards int64 `json:"total_cards"`
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LoadedCards int64 `json:"loaded_cards"`
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StartTime time.Time `json:"start_time"`
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LastBatchTime time.Time `json:"last_batch_time"`
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Status string `json:"status"`
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ErrorMessage string `json:"error_message"`
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}
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// pipelineFlushSize 单次 Pipeline Exec 最大命令数（每张卡最多 6 条）
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// 10000 条约 2MB 内存峰值；千万级卡下约 6000 次 Exec，RTT 总开销可忽略
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const pipelineFlushSize = 10000
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// PollingInitializer 分片渐进式初始化器
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// 启动时从 DB 分批加载全量卡数据到分片 Sorted Set
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// 使用 card_id % shardCount 分片，每 pipelineFlushSize 条命令 flush 一次 Pipeline
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type PollingInitializer struct {
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iotCardStore *postgres.IotCardStore
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redis *redis.Client
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configMgr *PollingConfigManager
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queueMgr *PollingQueueManager
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logger *zap.Logger
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progress initProgress
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initCompleted atomic.Bool
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restartQueued atomic.Bool
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stopChan chan struct{}
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wg sync.WaitGroup
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}
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// NewPollingInitializer 创建初始化器
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func NewPollingInitializer(
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iotCardStore *postgres.IotCardStore,
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redisClient *redis.Client,
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configMgr *PollingConfigManager,
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queueMgr *PollingQueueManager,
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logger *zap.Logger,
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) *PollingInitializer {
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p := &PollingInitializer{
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iotCardStore: iotCardStore,
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redis: redisClient,
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configMgr: configMgr,
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queueMgr: queueMgr,
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logger: logger,
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stopChan: make(chan struct{}),
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}
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p.progress.status = "pending"
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return p
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}
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// StartBackground 启动后台渐进式初始化（非阻塞）
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func (p *PollingInitializer) StartBackground(ctx context.Context) {
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p.wg.Add(1)
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go p.run(ctx)
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}
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// Stop 停止初始化
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func (p *PollingInitializer) Stop() {
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close(p.stopChan)
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p.wg.Wait()
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}
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// IsCompleted 检查初始化是否完成
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func (p *PollingInitializer) IsCompleted() bool {
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return p.initCompleted.Load()
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}
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// Restart 重新执行初始化，用于配置变更后补齐新增任务类型的分片队列。
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// 若初始化正在进行中，则记录一次待重启请求，当前轮完成后再自动执行。
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func (p *PollingInitializer) Restart(ctx context.Context) {
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if !p.initCompleted.CompareAndSwap(true, false) {
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p.restartQueued.Store(true)
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p.logger.Info("轮询初始化仍在进行中，已标记完成后重新初始化")
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return
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}
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p.setStatus("pending", "")
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p.wg.Add(1)
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go p.run(ctx)
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p.logger.Info("轮询初始化已重新启动（配置变更触发）")
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}
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// GetProgress 返回当前初始化进度快照（加锁读取，返回值拷贝）
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func (p *PollingInitializer) GetProgress() InitProgress {
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p.progress.mu.RLock()
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defer p.progress.mu.RUnlock()
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return InitProgress{
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TotalCards: p.progress.totalCards,
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LoadedCards: p.progress.loadedCards,
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StartTime: p.progress.startTime,
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LastBatchTime: p.progress.lastBatchTime,
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Status: p.progress.status,
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ErrorMessage: p.progress.errorMessage,
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}
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}
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// InitCards 将指定卡批量写入轮询分片队列和卡缓存。
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// 用于迁移收尾等按批次重建场景；调用方负责决定卡集合和是否先清理旧队列成员。
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func (p *PollingInitializer) InitCards(ctx context.Context, cards []*model.IotCard) error {
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return p.initBatch(ctx, cards)
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}
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// run 执行渐进式初始化
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func (p *PollingInitializer) run(ctx context.Context) {
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defer p.wg.Done()
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p.setStatus("running", "")
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p.progress.mu.Lock()
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p.progress.startTime = time.Now()
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p.progress.mu.Unlock()
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p.logger.Info("开始分片渐进式初始化...")
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totalCards, err := p.iotCardStore.CountForPolling(ctx)
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if err != nil {
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p.logger.Error("获取卡总数失败", zap.Error(err))
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p.setStatus("failed", err.Error())
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return
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}
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p.progress.mu.Lock()
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p.progress.totalCards = totalCards
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p.progress.mu.Unlock()
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p.logger.Info("开始加载卡数据", zap.Int64("total_cards", totalCards))
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const batchSize = 100000
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const batchSleep = 500 * time.Millisecond
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var lastID uint
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batchCount := 0
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for {
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select {
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case <-p.stopChan:
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p.logger.Info("渐进式初始化被中断")
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return
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default:
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}
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cards, fetchErr := p.iotCardStore.ListForPollingBatch(ctx, lastID, batchSize)
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if fetchErr != nil {
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p.logger.Error("加载卡数据失败", zap.Error(fetchErr))
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p.setStatus("failed", fetchErr.Error())
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return
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}
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if len(cards) == 0 {
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break
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}
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if initErr := p.initBatch(ctx, cards); initErr != nil {
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p.logger.Error("批量初始化失败，该批次卡未入轮询队列",
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zap.Uint("batch_start_id", lastID), zap.Error(initErr))
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}
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lastID = cards[len(cards)-1].ID
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batchCount++
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p.progress.mu.Lock()
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p.progress.loadedCards += int64(len(cards))
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p.progress.lastBatchTime = time.Now()
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loaded := p.progress.loadedCards
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p.progress.mu.Unlock()
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if batchCount%10 == 0 || len(cards) < batchSize {
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p.logger.Info("初始化进度",
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zap.Int("batch", batchCount),
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zap.Int64("loaded", loaded),
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zap.Int64("total", totalCards))
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}
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time.Sleep(batchSleep)
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}
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p.setStatus("completed", "")
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p.initCompleted.Store(true)
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snapshot := p.GetProgress()
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p.logger.Info("分片渐进式初始化完成",
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zap.Int64("total_loaded", snapshot.LoadedCards),
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zap.Duration("duration", time.Since(snapshot.StartTime)))
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if p.restartQueued.Swap(false) {
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select {
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case <-ctx.Done():
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return
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default:
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}
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if p.initCompleted.CompareAndSwap(true, false) {
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p.setStatus("pending", "")
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p.wg.Add(1)
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go p.run(ctx)
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p.logger.Info("检测到初始化期间配置变更，完成后再次初始化")
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}
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}
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}
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// initBatch 使用 Pipeline 将一批卡写入分片队列和缓存
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// 每 pipelineFlushSize 条命令 Exec 一次，控制内存峰值并降低单次失败损失
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func (p *PollingInitializer) initBatch(ctx context.Context, cards []*model.IotCard) error {
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if len(cards) == 0 {
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return nil
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}
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now := time.Now()
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cardCacheTTL := 7 * 24 * time.Hour
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pipe := p.redis.Pipeline()
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cmdCount := 0
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enqueuedCards := 0
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skippedCards := 0
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flushPipe := func() {
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if cmdCount == 0 {
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return
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}
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cmds, execErr := pipe.Exec(ctx)
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if execErr != nil {
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p.logger.Error("Pipeline flush 失败，部分卡可能未入队", zap.Error(execErr))
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}
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// 逐条检查，记录具体失败命令（不中断批次）
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for _, cmd := range cmds {
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if cmdErr := cmd.Err(); cmdErr != nil && cmdErr != redis.Nil {
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p.logger.Warn("Pipeline 单条命令失败",
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zap.String("cmd", cmd.Name()), zap.Error(cmdErr))
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}
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}
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pipe = p.redis.Pipeline()
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cmdCount = 0
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}
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// 分层轮询按批预取套餐状态，避免逐卡查库。
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if tier := p.configMgr.TierResolver(); tier != nil {
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tier.Prefill(ctx, cards)
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}
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for _, card := range cards {
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intervals := p.configMgr.MergedTaskIntervals(card)
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if len(intervals) == 0 {
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skippedCards++
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continue
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}
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enqueuedCards++
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shardID := int(card.ID) % p.queueMgr.shardCount
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cardIDStr := fmt.Sprintf("%d", card.ID)
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for taskType, info := range intervals {
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lastCheckAt := lastCheckAtByTaskType(card, taskType)
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nextCheck := calculateNextCheckTime(lastCheckAt, info.Interval, now)
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// 重置日前加密：窗口规则算出的时间更早时（如需截断到窗口起点）以它为准。
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if windowDue := p.configMgr.NextCheckAt(ctx, card, taskType, info, now); windowDue.Before(nextCheck) && windowDue.After(now) {
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nextCheck = windowDue
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}
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pipe.ZAdd(ctx, constants.RedisPollingShardQueueKey(shardID, taskType), redis.Z{
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Score: float64(nextCheck.Unix()), Member: cardIDStr,
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})
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cmdCount++
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}
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cacheKey := constants.RedisPollingCardInfoKey(card.ID)
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cacheData := map[string]interface{}{
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"id": card.ID,
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"iccid": card.ICCID,
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"card_category": card.CardCategory,
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"real_name_status": card.RealNameStatus,
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"network_status": card.NetworkStatus,
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"carrier_id": card.CarrierID,
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"current_month_usage_mb": card.CurrentMonthUsageMB,
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"last_gateway_reading_mb": card.LastGatewayReadingMB,
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"data_usage_mb": card.DataUsageMB,
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"stop_reason": card.StopReason, "is_standalone": boolToStr(card.IsStandalone),
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"asset_status": card.AssetStatus,
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"cached_at": now.Unix(),
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}
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if card.CurrentMonthStartDate != nil {
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cacheData["current_month_start_date"] = card.CurrentMonthStartDate.Unix()
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}
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pipe.HSet(ctx, cacheKey, cacheData)
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pipe.Expire(ctx, cacheKey, cardCacheTTL)
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cmdCount += 2
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if cmdCount >= pipelineFlushSize {
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flushPipe()
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}
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}
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flushPipe()
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p.logger.Info("批量初始化完成",
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zap.Int("total", len(cards)),
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zap.Int("enqueued", enqueuedCards),
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zap.Int("skipped_no_config", skippedCards))
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return nil
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}
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// lastCheckAtByTaskType 根据 task type 返回对应的上次检查时间字段
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func lastCheckAtByTaskType(card *model.IotCard, taskType string) *time.Time {
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switch taskType {
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case constants.TaskTypePollingRealname:
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return card.LastRealNameCheckAt
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case constants.TaskTypePollingCarddata, constants.TaskTypePollingPackage:
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return card.LastDataCheckAt
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case constants.TaskTypePollingCardStatus:
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return card.LastCardStatusCheckAt
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default:
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return nil
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}
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}
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// calculateNextCheckTime 计算下次检查时间
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func calculateNextCheckTime(lastCheckAt *time.Time, intervalSeconds int, now time.Time) time.Time {
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if lastCheckAt == nil {
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jitter := time.Duration(now.UnixNano()%int64(intervalSeconds)) * time.Second / 10
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return now.Add(jitter)
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}
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nextCheck := lastCheckAt.Add(time.Duration(intervalSeconds) * time.Second)
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if nextCheck.Before(now) {
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return now
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}
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return nextCheck
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}
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func (p *PollingInitializer) setStatus(status, errMsg string) {
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p.progress.mu.Lock()
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p.progress.status = status
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p.progress.errorMessage = errMsg
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p.progress.mu.Unlock()
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}
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