MiFaZhan
460 lines
14 KiB
Go
460 lines
14 KiB
Go
package simstatus
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import (
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"context"
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"crypto/rand"
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"crypto/sha256"
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"encoding/hex"
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"errors"
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"fmt"
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"strings"
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"sync/atomic"
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"time"
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"github.com/gogf/gf/v2/frame/g"
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"git.5iot.com/iotlcm-public/iotlcm-worker-svr/internal/dao"
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"git.5iot.com/iotlcm-public/iotlcm-worker-svr/internal/model"
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"git.5iot.com/iotlcm-public/iotlcm-worker-svr/internal/model/entity"
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queue "git.5iot.com/iotlcm-public/iotlcm-worker-svr/internal/queue/zset"
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)
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const FullSyncOperation = "sim_status_queue_full_sync"
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// scopeSampleLimit bounds how many channel names are copied into run metadata.
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const scopeSampleLimit = 10
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// productionStats mirrors the monthly usage producer so both full-sync paths
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// report a single comparable summary line. The status path previously had no
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// producer summary at all, which made a scope change impossible to verify.
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type productionStats struct {
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pages int64
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scanned int64
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enqueued int64
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skippedEmptyChan int64
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skippedNoTemplate int64
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skippedSyncDisabled int64
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skippedOutOfScope int64
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scopeChannels int
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channels map[string]struct{}
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}
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func newProductionStats(scopeChannels int) productionStats {
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return productionStats{channels: make(map[string]struct{}), scopeChannels: scopeChannels}
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}
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func (s *productionStats) log(ctx context.Context, status, runID, stage, reason string, startedAt time.Time, maxID int64, err error) {
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message := fmt.Sprintf("event=sim_status_queue_producer status=%s runId=%s snapshotMaxId=%d pages=%d scanned=%d enqueued=%d skippedEmptyChan=%d skippedNoTemplate=%d skippedSyncDisabled=%d skippedOutOfScope=%d channelCount=%d scopeChannels=%d durationMs=%d", status, runID, maxID, s.pages, s.scanned, s.enqueued, s.skippedEmptyChan, s.skippedNoTemplate, s.skippedSyncDisabled, s.skippedOutOfScope, len(s.channels), s.scopeChannels, time.Since(startedAt).Milliseconds())
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if s.scanned > 0 {
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message += fmt.Sprintf(" cardsPerSec=%.2f", float64(s.scanned)/time.Since(startedAt).Seconds())
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}
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if stage != "" {
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message += " stage=" + stage
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}
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if reason != "" {
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message += " reason=" + reason
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}
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if err != nil {
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message += fmt.Sprintf(" error=%q", err.Error())
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}
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switch status {
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case "failed":
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g.Log().Error(ctx, message)
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case "skipped":
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g.Log().Warning(ctx, message)
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default:
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g.Log().Info(ctx, message)
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}
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}
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type Config struct {
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PageSize int
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RunLockKey string
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RunLockTTL time.Duration
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PollInterval time.Duration
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GlobalHighWaterMark int64
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}
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func (c Config) withDefaults() Config {
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if c.PageSize <= 0 {
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c.PageSize = 1000
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}
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if c.RunLockKey == "" {
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c.RunLockKey = "sim-status:producer:active"
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}
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if c.RunLockTTL <= 0 {
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c.RunLockTTL = 5 * time.Minute
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}
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if c.PollInterval <= 0 {
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c.PollInterval = time.Second
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}
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return c
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}
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type Card struct {
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ID int64
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ICCID string
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MSISDN string
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IMSI string
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ChanKey string
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TempKey string
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Operator int
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SyncEnabled bool
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}
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type Scanner interface {
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SnapshotMaxID(context.Context) (int64, error)
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Scan(context.Context, int64, int64, int) ([]Card, error)
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}
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type channelMetadata struct {
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ChanKey string `orm:"chan_key"`
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TempKey string `orm:"temp_key"`
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Operator int `orm:"operator"`
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SyncEnabled bool `orm:"sync_enabled"`
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}
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// DatabaseScanner uses keyset pagination so a large status run does not hold
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// the entire card table in memory and does not degrade through OFFSET scans.
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type DatabaseScanner struct {
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metadata map[string]channelMetadata
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}
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func (s *DatabaseScanner) SnapshotMaxID(ctx context.Context) (int64, error) {
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var card entity.TSimCardInfo
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columns := dao.TSimCardInfo.Columns()
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if err := dao.TSimCardInfo.Ctx(ctx).
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Fields(columns.Id).
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OrderDesc(columns.Id).
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Limit(1).
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Scan(&card); err != nil {
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return 0, fmt.Errorf("read status snapshot max id: %w", err)
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}
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return card.Id, nil
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}
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func (s *DatabaseScanner) Scan(ctx context.Context, lastID, maxID int64, pageSize int) ([]Card, error) {
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if maxID <= lastID {
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return nil, nil
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}
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if s.metadata == nil {
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var rows []channelMetadata
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if err := g.DB().Model("t_sim_channels").Fields("chan_key,temp_key,sync_enabled,operator").Scan(&rows); err != nil {
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return nil, fmt.Errorf("scan status channel metadata: %w", err)
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}
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s.metadata = make(map[string]channelMetadata, len(rows))
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for _, row := range rows {
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s.metadata[row.ChanKey] = row
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}
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}
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columns := dao.TSimCardInfo.Columns()
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var rows []entity.TSimCardInfo
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if err := dao.TSimCardInfo.Ctx(ctx).
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Fields(columns.Id, columns.Iccid, columns.Msisdn, columns.Imsi, columns.ChanKey).
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WhereGT(columns.Id, lastID).
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WhereLTE(columns.Id, maxID).
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OrderAsc(columns.Id).
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Limit(pageSize).
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Scan(&rows); err != nil {
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return nil, fmt.Errorf("scan status cards: %w", err)
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}
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cards := make([]Card, 0, len(rows))
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for _, row := range rows {
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if row.Id <= 0 || row.Iccid == "" || row.ChanKey == "" {
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// Keep the page cursor moving even when a row cannot become a
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// runnable task. The producer advances by the highest returned ID.
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if row.Id > 0 {
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cards = append(cards, Card{ID: row.Id})
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}
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continue
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}
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metadata := s.metadata[row.ChanKey]
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cards = append(cards, Card{ID: row.Id, ICCID: row.Iccid, MSISDN: row.Msisdn, IMSI: row.Imsi, ChanKey: row.ChanKey, TempKey: metadata.TempKey, Operator: metadata.Operator, SyncEnabled: metadata.SyncEnabled})
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}
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return cards, nil
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}
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type Producer struct {
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scanner Scanner
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store *queue.Store
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config Config
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running atomic.Int32
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owner string
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}
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var ErrAlreadyRunning = fmt.Errorf("sim status producer already running")
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// ErrRunFinished is returned when a redelivered start message names a run that
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// already reached a terminal state. The run must not be resurrected.
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var ErrRunFinished = fmt.Errorf("sim status run already finished")
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// runAlreadyFinished reports whether runID exists and has already completed.
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// A missing run is not an error: the message may be the first delivery.
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func (p *Producer) runAlreadyFinished(ctx context.Context, runID string) (bool, error) {
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meta, err := p.store.GetRunMeta(ctx, runID)
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if err != nil {
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if strings.Contains(err.Error(), "not found") {
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return false, nil
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}
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return false, err
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}
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return meta.Status == "completed" || meta.Status == "completed_with_failures", nil
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}
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func New(scanner Scanner, store *queue.Store, config Config) (*Producer, error) {
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if scanner == nil || store == nil {
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return nil, fmt.Errorf("sim status producer dependencies are incomplete")
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}
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return &Producer{scanner: scanner, store: store, config: config.withDefaults(), owner: newOwner()}, nil
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}
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func (p *Producer) Produce(ctx context.Context, message model.SimStatusQueueStartMessage) error {
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startedAt := time.Now()
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if message.RunID == "" {
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return fmt.Errorf("status sync runId is empty")
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}
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operation := message.Operation
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if operation == "" {
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operation = FullSyncOperation
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}
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scope, err := model.NormalizeScope(message.Scope)
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if err != nil {
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failedStats := newProductionStats(0)
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failedStats.log(ctx, "failed", message.RunID, "validate", "invalid_scope", startedAt, 0, err)
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return err
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}
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stats := newProductionStats(scope.ChannelCount())
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if !p.running.CompareAndSwap(0, 1) {
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stats.log(ctx, "skipped", message.RunID, "precheck", "already_running", startedAt, 0, nil)
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return ErrAlreadyRunning
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}
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defer p.running.Store(0)
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// A redelivered start message must not resurrect a run that already
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// finished; that would create a second producer pass over the same RunID.
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if finished, checkErr := p.runAlreadyFinished(ctx, message.RunID); checkErr != nil {
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stats.log(ctx, "failed", message.RunID, "run_state", "", startedAt, 0, checkErr)
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return checkErr
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} else if finished {
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stats.log(ctx, "skipped", message.RunID, "run_state", "run_finished", startedAt, 0, nil)
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return ErrRunFinished
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}
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acquired, err := p.store.AcquireLockOrTakeover(ctx, p.config.RunLockKey, p.owner, message.RunID, p.config.RunLockTTL)
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if err != nil {
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stats.log(ctx, "failed", message.RunID, "lock", "", startedAt, 0, err)
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return err
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}
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if !acquired {
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stats.log(ctx, "skipped", message.RunID, "lock", "already_running", startedAt, 0, nil)
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return ErrAlreadyRunning
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}
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defer func() {
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releaseCtx, cancel := context.WithTimeout(context.Background(), time.Second)
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defer cancel()
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_, _ = p.store.ReleaseLock(releaseCtx, p.config.RunLockKey, p.owner)
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}()
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if err := p.store.CreateRun(ctx, queue.RunMeta{
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RunID: message.RunID,
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Operation: operation,
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Status: "producing",
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CurrentRound: 1,
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ScopeChannels: scope.ChannelCount(),
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ScopeDigest: scopeDigest(scope),
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ScopeChannelsSample: strings.Join(scope.ChannelSample(scopeSampleLimit), ","),
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}); err != nil {
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stats.log(ctx, "failed", message.RunID, "run_init", "", startedAt, 0, err)
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return err
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}
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lockCtx, stopRenew := context.WithCancel(ctx)
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renewErr := make(chan error, 1)
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go p.renewLock(lockCtx, stopRenew, renewErr)
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defer func() {
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stopRenew()
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select {
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case <-renewErr:
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default:
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}
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}()
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maxID, err := p.scanner.SnapshotMaxID(ctx)
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if err != nil {
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stats.log(ctx, "failed", message.RunID, "snapshot", "", startedAt, 0, err)
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return err
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}
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g.Log().Infof(ctx, "event=sim_status_queue_producer status=started runId=%s snapshotMaxId=%d scopeChannels=%d", message.RunID, maxID, scope.ChannelCount())
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stage := "scan"
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defer func() {
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if err != nil {
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stats.log(ctx, "failed", message.RunID, stage, "", startedAt, maxID, err)
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return
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}
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stats.log(ctx, "completed", message.RunID, "", "", startedAt, maxID, nil)
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}()
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lastID := int64(0)
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for lastID < maxID {
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select {
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case err := <-renewErr:
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return err
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default:
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}
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stage = "scan"
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cards, scanErr := p.scanner.Scan(ctx, lastID, maxID, p.config.PageSize)
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if scanErr != nil {
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return scanErr
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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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stats.pages++
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stats.scanned += int64(len(cards))
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groups := make(map[string][]queue.Task)
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for _, card := range cards {
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if card.ID > lastID {
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lastID = card.ID
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}
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if card.ChanKey == "" {
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stats.skippedEmptyChan++
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continue
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}
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// Scope is applied before the template and sync_enabled checks so a
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// partial run only reports on the channels it was asked for.
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if !scope.Allows(card.ChanKey) {
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stats.skippedOutOfScope++
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continue
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}
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if card.TempKey == "" {
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stats.skippedNoTemplate++
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continue
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}
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if card.SyncEnabled {
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// sync_enabled=1(否/不参与) → skip
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stats.skippedSyncDisabled++
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continue
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}
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stats.channels[card.ChanKey] = struct{}{}
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task := queue.Task{TaskID: queue.StableTaskID(message.RunID, operation, card.ID), RunID: message.RunID, Operation: operation, ChanKey: card.ChanKey, TempKey: card.TempKey, Operator: card.Operator, CardID: card.ID, ICCID: card.ICCID, MSISDN: card.MSISDN, IMSI: card.IMSI}
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groups[card.ChanKey] = append(groups[card.ChanKey], task)
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}
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for chanKey, tasks := range groups {
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stage = "enqueue"
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added, enqueueErr := p.store.EnqueueRunBatch(ctx, message.RunID, chanKey, tasks, time.Now())
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if enqueueErr != nil {
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return fmt.Errorf("enqueue status channel %s: %w", chanKey, enqueueErr)
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}
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stats.enqueued += int64(added)
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}
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stage = "capacity"
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if err = p.waitForCapacity(ctx); err != nil {
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return err
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}
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}
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return p.store.MarkProducerDone(ctx, message.RunID)
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}
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// scopeDigest is a stable short fingerprint of the selected channels.
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func scopeDigest(scope *model.SyncScope) string {
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if scope == nil || len(scope.Channels) == 0 {
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return ""
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}
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digest := sha256.Sum256([]byte(strings.Join(scope.Channels, "\n")))
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return hex.EncodeToString(digest[:8])
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}
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func (p *Producer) renewLock(ctx context.Context, cancel context.CancelFunc, errors chan<- error) {
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interval := p.config.RunLockTTL / 3
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if interval <= 0 {
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interval = time.Second
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}
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ticker := time.NewTicker(interval)
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defer ticker.Stop()
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for {
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select {
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case <-ctx.Done():
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return
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case <-ticker.C:
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ok, err := p.store.RenewLock(ctx, p.config.RunLockKey, p.owner, p.config.RunLockTTL)
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if err == nil && !ok {
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err = ErrAlreadyRunning
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}
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if err != nil {
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select {
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case errors <- err:
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default:
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}
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cancel()
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return
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}
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}
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}
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}
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func (p *Producer) waitForCapacity(ctx context.Context) error {
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if p.config.GlobalHighWaterMark <= 0 {
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return nil
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}
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for {
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runs, err := p.store.ActiveRuns(ctx)
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if err != nil {
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return err
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}
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var total int64
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for _, runID := range runs {
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meta, sizeErr := p.store.GetRunMeta(ctx, runID)
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if sizeErr != nil {
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// The active index can list a run whose hash is already gone
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// (expired, evicted, or cleaned by hand). Treat it as a stale
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// index entry and drop it instead of failing the scan.
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if errors.Is(sizeErr, queue.ErrRunNotFound) {
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if _, removeErr := p.store.RedisClient().Do(ctx, "SREM", p.store.ActiveRunsKey(), runID); removeErr != nil {
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return removeErr
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}
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g.Log().Warningf(ctx, "event=sim_status_queue_producer status=skipped stage=capacity reason=stale_index runId=%s", runID)
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continue
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}
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return sizeErr
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}
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// ActiveCount includes leased tasks; do not count InflightCount twice.
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total += meta.ActiveCount + meta.NextRoundCount
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}
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if total <= p.config.GlobalHighWaterMark {
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return nil
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}
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select {
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case <-ctx.Done():
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return ctx.Err()
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case <-time.After(p.config.PollInterval):
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}
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}
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}
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func (p *Producer) EnqueueCard(ctx context.Context, message model.SimStatusQueueTaskMessage) error {
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if message.CardID <= 0 || message.ICCID == "" || message.ChanKey == "" || message.TempKey == "" {
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return fmt.Errorf("invalid status sync task")
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}
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if message.RunID == "" {
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message.RunID = "status-card-" + newOwner()
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}
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if message.Operation == "" {
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message.Operation = "sim_status_queue_task"
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}
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if err := p.store.CreateRun(ctx, queue.RunMeta{
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RunID: message.RunID,
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Operation: message.Operation,
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Status: "producing",
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CurrentRound: 1,
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}); err != nil {
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return err
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}
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task := queue.Task{TaskID: queue.StableTaskID(message.RunID, message.Operation, message.CardID), RunID: message.RunID, Operation: message.Operation, ChanKey: message.ChanKey, TempKey: message.TempKey, Operator: message.Operator, CardID: message.CardID, ICCID: message.ICCID, MSISDN: message.MSISDN, IMSI: message.IMSI}
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if _, err := p.store.EnqueueRunBatch(ctx, message.RunID, message.ChanKey, []queue.Task{task}, time.Now()); err != nil {
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return err
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}
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return p.store.MarkProducerDone(ctx, message.RunID)
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}
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func newOwner() string {
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var b [12]byte
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if _, err := rand.Read(b[:]); err == nil {
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return hex.EncodeToString(b[:])
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}
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return fmt.Sprintf("%d", time.Now().UnixNano())
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}
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