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 logic
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import (
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"context"
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"encoding/json"
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"errors"
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"fmt"
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"strconv"
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"strings"
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"longheng.io/server/internal/platform/dispatch"
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"longheng.io/server/internal/platform/idempotency"
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"longheng.io/server/pkg/contracts"
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"longheng.io/server/pkg/protocol"
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)
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func (s *Service) cachedIdemResp(ctx context.Context, packet contracts.GatewayClientPacket, decision idempotency.Decision) (contracts.LogicPlayerResponse, bool, error) {
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if s == nil || strings.TrimSpace(decision.Key) == "" {
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return contracts.LogicPlayerResponse{}, false, nil
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}
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var cacheErr error
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if s.responses != nil {
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response, ok, err := s.responses.Get(ctx, decision.Key)
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if ok {
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return replayIdemResp(packet, response), true, nil
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}
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cacheErr = err
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}
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// response cache 只是热缓存；miss 或故障时从幂等权威后端读取同事务提交的结果。
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if s.idempotency == nil {
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return contracts.LogicPlayerResponse{}, false, cacheErr
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}
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payload, ok, resultErr := s.idempotency.LookupResult(ctx, decision)
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if resultErr != nil || !ok {
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return contracts.LogicPlayerResponse{}, false, errors.Join(cacheErr, resultErr)
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}
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var response contracts.LogicPlayerResponse
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if err := json.Unmarshal(payload, &response); err != nil {
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return contracts.LogicPlayerResponse{}, false, fmt.Errorf("decode idempotency result: %w", err)
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}
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if s.responses != nil {
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// 权威结果读取成功后尽力回填热缓存；回填失败不能让已提交结果再次变成不可用。
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_ = s.responses.Store(ctx, decision.Key, response)
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}
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return replayIdemResp(packet, response), true, nil
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}
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func replayIdemResp(packet contracts.GatewayClientPacket, response contracts.LogicPlayerResponse) contracts.LogicPlayerResponse {
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// 重放响应只复用业务结果，目标 gateway/session/sequence 必须按本次包重写，避免旧连接收到新响应。
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response.TargetGatewayNodeID = packet.GatewayNodeID
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response.SessionID = packet.SessionID
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response.AccountID = packet.AccountID
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response.Sequence = packet.Sequence
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response.WireFormat = packet.WireFormat
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response.Metadata = replayIdemMetadata(response.Metadata, packet.Metadata)
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return response
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}
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func replayIdemMetadata(stored, current map[string]string) map[string]string {
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// handler 产生的响应 metadata 属于可重放结果；只有链路跟踪字段应跟随本次请求。
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metadata := protocol.CloneFrameMetadata(stored)
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current = protocol.CloneFrameMetadata(current)
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for _, key := range []string{
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protocol.FrameMetadataTraceParent,
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protocol.FrameMetadataTraceState,
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protocol.FrameMetadataBaggage,
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} {
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delete(metadata, key)
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if value := current[key]; value != "" {
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if metadata == nil {
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metadata = make(map[string]string, 3)
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}
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metadata[key] = value
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}
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}
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if len(metadata) == 0 {
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return nil
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}
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return metadata
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}
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func encodeIdemResp(response contracts.LogicPlayerResponse) ([]byte, error) {
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payload, err := json.Marshal(clonePlayerResp(response))
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if err != nil {
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return nil, fmt.Errorf("encode idempotency result: %w", err)
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}
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return payload, nil
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}
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func (s *Service) storeIdemResp(ctx context.Context, decision idempotency.Decision, response contracts.LogicPlayerResponse) error {
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if s == nil || s.responses == nil || strings.TrimSpace(decision.Key) == "" {
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return nil
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}
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return s.responses.Store(ctx, decision.Key, response)
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}
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func (s *Service) shouldProtectPacket(meta dispatch.HandlerMeta) bool {
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return meta.Idempotent || meta.PlayerScoped || meta.Stateful || strings.TrimSpace(meta.ProfileOperation) != ""
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}
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func (s *Service) reservePktIdem(ctx context.Context, packet contracts.GatewayClientPacket) (idempotency.Reservation, idempotency.Decision, error) {
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if s.idempotency == nil {
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return idempotency.Reservation{}, idempotency.Decision{Status: idempotency.StatusAccepted}, nil
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}
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return s.idempotency.Begin(ctx, packetIdemRequest(packet))
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}
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func packetIdemRequest(packet contracts.GatewayClientPacket) idempotency.Request {
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scope := "logic:msg:" + strconv.FormatUint(uint64(packet.MsgID), 10)
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accountID := strings.ToLower(strings.TrimSpace(packet.AccountID))
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sessionID := strings.ToLower(strings.TrimSpace(packet.SessionID))
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rawKey := strings.TrimSpace(packet.IdempotencyKey)
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clientRequestID := strings.TrimSpace(packet.ClientRequestID)
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key := ""
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if clientRequestID != "" {
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// 稳定的客户端请求 ID 是跨重连业务身份；session 和 sequence 只是当前传输属性。
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key = idempotency.CanonicalKey("logic-packet-client-request-v1", scope, accountID, clientRequestID)
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} else if rawKey != "" {
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// 旧 gateway 的显式 key 未包含 session；logic 必须再做会话隔离，避免重连后 sequence 重置命中旧结果。
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key = idempotency.CanonicalKey("logic-packet-explicit-v1", scope, accountID, sessionID, rawKey)
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} else if packet.Sequence > 0 {
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key = idempotency.CanonicalKey(
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"logic-packet-fallback-v1",
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scope,
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accountID,
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sessionID,
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strconv.FormatInt(int64(packet.PacketID), 10),
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strconv.FormatUint(uint64(packet.MsgID), 10),
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strconv.FormatUint(packet.Sequence, 10),
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)
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}
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return idempotency.Request{
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Scope: scope,
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Subject: accountID,
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Session: sessionID,
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Key: key,
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Fingerprint: idempotency.CanonicalKey(
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"logic-packet-fingerprint-v1",
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strconv.FormatInt(int64(packet.PacketID), 10),
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strconv.FormatUint(uint64(packet.MsgID), 10),
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strconv.FormatBool(packet.Compressed),
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string(packet.Body),
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),
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Sequence: packet.Sequence,
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}
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}
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