DNF90 服务端与启动器完整源码（含 GM 工具功能增强）
服务端（Go）： - GM 塞背包/带属性装备发放：在线角色推送 op14 增量物品行，背包实时刷新，无需回角色选择界面 - GM 改金币/改等级：去掉在线拒绝，落库后推送 op14 钱包/op37 等级状态，在线实时刷新 - 等级端点统一切换到新版 GMSetCharacterLevel（自带在线刷新） - 无限/锁死疲劳模式 + 燃烧疲劳：每房间消耗 2 点、打怪与通关经验双倍 - 燃烧疲劳开关时给所有在线角色推送系统提示（op12 mode 0） - 深渊史诗掉率：GM 全局倍率 + 城镇增益药剂窗口倍率，真实接入掉落结算 启动器（Python/JS）： - 标题栏自绘、窗口 1204x717、禁止拖拽改大小、仅最小化/关闭 - GM 工具：疲劳与燃烧、深渊史诗掉率、拍卖行上架（单一定价对齐） - 拍卖行上架前端对齐服务端单一价格语义，修复 400 报错
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package db
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import (
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"context"
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"errors"
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"sync"
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"time"
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)
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type asyncFlusherOptions[T any, F comparable] struct {
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Base Store[T]
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Queue *asyncPendingQueue[T, F]
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Retry asyncRetryPolicy[T, F]
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DeadLetters *asyncDeadLetterSink[T, F]
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Clone CloneFunc[T]
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NormalizeFields func([]F) []F
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SaveFields SaveFieldsFunc[T, F]
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SaveBatch SaveFieldBatchFunc[T, F]
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AutoExpireTTL time.Duration
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Expire ExpireFunc[T]
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}
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type asyncFlusher[T any, F comparable] struct {
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mu sync.Mutex
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base Store[T]
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queue *asyncPendingQueue[T, F]
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retry asyncRetryPolicy[T, F]
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deadLetters *asyncDeadLetterSink[T, F]
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clone CloneFunc[T]
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normalizeFields func([]F) []F
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saveFields SaveFieldsFunc[T, F]
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saveBatch SaveFieldBatchFunc[T, F]
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autoExpireTTL time.Duration
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expire ExpireFunc[T]
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}
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func newAsyncFlusher[T any, F comparable](options asyncFlusherOptions[T, F]) *asyncFlusher[T, F] {
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if options.Clone == nil {
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options.Clone = IdentityClone[T]
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}
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return &asyncFlusher[T, F]{
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base: options.Base,
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queue: options.Queue,
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retry: options.Retry,
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deadLetters: options.DeadLetters,
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clone: options.Clone,
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normalizeFields: options.NormalizeFields,
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saveFields: options.SaveFields,
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saveBatch: options.SaveBatch,
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autoExpireTTL: options.AutoExpireTTL,
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expire: options.Expire,
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}
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}
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// Flush 刷出 pending 队列，并把失败项转入重试或死信。
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func (f *asyncFlusher[T, F]) Flush(ctx context.Context, force bool) error {
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ctx = contextOrBackground(ctx)
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f.mu.Lock()
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defer f.mu.Unlock()
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for {
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batch := f.queue.Take(force, time.Now().UTC())
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if len(batch) == 0 {
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return nil
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}
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// Take 会乐观地从 pending 队列移除记录。下面每条失败路径都必须记录失败项
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// 供重试/死信处理，或把尚未尝试的项放回队列；否则后端抖动会静默丢掉已接受的玩家状态。
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if f.saveBatch != nil {
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if err := ctx.Err(); err != nil {
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f.queue.Restore(batch)
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return err
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}
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if err := f.saveBatch(ctx, f.base, fieldSavesPending(batch, f.clone, f.normalizeFields)); err != nil {
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errs := make([]error, 0, len(batch)+1)
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errs = append(errs, err)
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for _, save := range batch {
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if recordErr := f.queue.RecordFailure(save, f.retry, f.deadLetters, err); recordErr != nil {
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errs = append(errs, recordErr)
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}
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}
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return errors.Join(errs...)
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}
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if err := f.expireBatch(ctx, batch); err != nil {
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errs := make([]error, 0, len(batch)+1)
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errs = append(errs, err)
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for _, save := range batch {
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if recordErr := f.queue.RecordFailure(save, f.retry, f.deadLetters, err); recordErr != nil {
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errs = append(errs, recordErr)
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}
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}
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return errors.Join(errs...)
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}
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continue
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}
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for i, save := range batch {
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if err := ctx.Err(); err != nil {
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f.queue.Restore(batch[i:])
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return err
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}
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// 底层 SaveFields 可能有编码或归一化副作用，单条刷盘必须使用独立快照。
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flushRecord := f.clone(save.profile)
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if err := f.saveFields(ctx, f.base, flushRecord, save.fields...); err != nil {
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recordErr := f.queue.RecordFailure(save, f.retry, f.deadLetters, err)
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f.queue.Restore(batch[i+1:])
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return errors.Join(err, recordErr)
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}
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if err := f.expireSave(ctx, save); err != nil {
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recordErr := f.queue.RecordFailure(save, f.retry, f.deadLetters, err)
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f.queue.Restore(batch[i+1:])
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return errors.Join(err, recordErr)
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}
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}
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}
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}
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// AutoExpireTTL 返回自动续期 TTL。
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func (f *asyncFlusher[T, F]) AutoExpireTTL() time.Duration {
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if f == nil {
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return 0
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}
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return f.autoExpireTTL
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}
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func (f *asyncFlusher[T, F]) expireBatch(ctx context.Context, batch []pendingSave[T, F]) error {
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if f.autoExpireTTL <= 0 || f.expire == nil {
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return nil
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}
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for _, save := range batch {
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if err := f.expireSave(ctx, save); err != nil {
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return err
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}
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}
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return nil
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}
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func (f *asyncFlusher[T, F]) expireSave(ctx context.Context, save pendingSave[T, F]) error {
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if f.autoExpireTTL <= 0 || f.expire == nil {
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return nil
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}
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key, err := f.queue.RecordKey(save.profile)
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if err != nil {
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return err
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}
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return f.expire(ctx, f.base, key, f.autoExpireTTL)
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}
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func fieldSavesPending[T any, F comparable](batch []pendingSave[T, F], clone CloneFunc[T], normalize func([]F) []F) []FieldSave[T, F] {
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if len(batch) == 0 {
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return nil
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}
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out := make([]FieldSave[T, F], 0, len(batch))
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for _, save := range batch {
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save = save.clone(clone, normalize)
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out = append(out, FieldSave[T, F]{
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Record: save.profile,
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Fields: save.fields,
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})
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}
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return out
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}
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