|
| 1 | +package runtime |
| 2 | + |
| 3 | +import ( |
| 4 | + "context" |
| 5 | + "errors" |
| 6 | + "fmt" |
| 7 | + "strings" |
| 8 | + "time" |
| 9 | + |
| 10 | + agentsession "neo-code/internal/session" |
| 11 | +) |
| 12 | + |
| 13 | +const prepareEventEmitTimeout = 200 * time.Millisecond |
| 14 | + |
| 15 | +// NewSessionInputPreparer 创建基于 session 子层实现的输入归一化适配器。 |
| 16 | +func NewSessionInputPreparer(store agentsession.Store, assetStore agentsession.AssetStore) UserInputPreparer { |
| 17 | + return sessionInputPreparer{ |
| 18 | + preparer: agentsession.NewInputPreparer(store, assetStore), |
| 19 | + } |
| 20 | +} |
| 21 | + |
| 22 | +// PrepareUserInput 负责在运行前执行输入归一化编排，并发出最小可观测事件。 |
| 23 | +// Submit 作为运行时提交入口，统一串联输入归一化与执行，避免上层手动编排两段调用。 |
| 24 | +func (s *Service) Submit(ctx context.Context, input PrepareInput) error { |
| 25 | + prepared, err := s.PrepareUserInput(ctx, input) |
| 26 | + if err != nil { |
| 27 | + return err |
| 28 | + } |
| 29 | + return s.Run(ctx, prepared) |
| 30 | +} |
| 31 | + |
| 32 | +func (s *Service) PrepareUserInput(ctx context.Context, input PrepareInput) (UserInput, error) { |
| 33 | + if err := ctx.Err(); err != nil { |
| 34 | + return UserInput{}, err |
| 35 | + } |
| 36 | + if s == nil { |
| 37 | + return UserInput{}, errors.New("runtime: service is nil") |
| 38 | + } |
| 39 | + if s.userInputPreparer == nil { |
| 40 | + err := errors.New("runtime: user input preparer is not configured") |
| 41 | + _ = s.emitPrepareFailure(ctx, input, err) |
| 42 | + return UserInput{}, err |
| 43 | + } |
| 44 | + |
| 45 | + defaultWorkdir := "" |
| 46 | + if s.configManager != nil { |
| 47 | + defaultWorkdir = strings.TrimSpace(s.configManager.Get().Workdir) |
| 48 | + } |
| 49 | + |
| 50 | + prepared, err := s.userInputPreparer.Prepare(ctx, input, defaultWorkdir) |
| 51 | + if err != nil { |
| 52 | + _ = s.emitPrepareFailure(ctx, input, err) |
| 53 | + return UserInput{}, err |
| 54 | + } |
| 55 | + |
| 56 | + runID := strings.TrimSpace(input.RunID) |
| 57 | + _ = s.emitPrepareEvent(ctx, EventInputNormalized, runID, prepared.UserInput.SessionID, InputNormalizedPayload{ |
| 58 | + TextLength: len([]rune(strings.TrimSpace(input.Text))), |
| 59 | + ImageCount: len(input.Images), |
| 60 | + }) |
| 61 | + for index, asset := range prepared.SavedAssets { |
| 62 | + path := "" |
| 63 | + if index >= 0 && index < len(input.Images) { |
| 64 | + path = strings.TrimSpace(input.Images[index].Path) |
| 65 | + } |
| 66 | + _ = s.emitPrepareEvent(ctx, EventAssetSaved, runID, prepared.UserInput.SessionID, AssetSavedPayload{ |
| 67 | + Index: index, |
| 68 | + Path: path, |
| 69 | + AssetID: asset.ID, |
| 70 | + MimeType: asset.MimeType, |
| 71 | + Size: asset.Size, |
| 72 | + }) |
| 73 | + } |
| 74 | + |
| 75 | + return prepared.UserInput, nil |
| 76 | +} |
| 77 | + |
| 78 | +// emitPrepareFailure 统一发送输入归一化阶段的失败事件，避免前置副作用变成黑箱。 |
| 79 | +func (s *Service) emitPrepareFailure(ctx context.Context, input PrepareInput, err error) error { |
| 80 | + if s == nil { |
| 81 | + return nil |
| 82 | + } |
| 83 | + |
| 84 | + runID := strings.TrimSpace(input.RunID) |
| 85 | + sessionID := strings.TrimSpace(input.SessionID) |
| 86 | + |
| 87 | + var saveErr *agentsession.AssetSaveError |
| 88 | + if errors.As(err, &saveErr) { |
| 89 | + if session := strings.TrimSpace(saveErr.SessionID); session != "" { |
| 90 | + sessionID = session |
| 91 | + } |
| 92 | + return s.emitPrepareEvent(ctx, EventAssetSaveFailed, runID, sessionID, AssetSaveFailedPayload{ |
| 93 | + Index: saveErr.Index, |
| 94 | + Path: strings.TrimSpace(saveErr.Path), |
| 95 | + Message: strings.TrimSpace(saveErr.Error()), |
| 96 | + }) |
| 97 | + } |
| 98 | + return s.emitPrepareEvent(ctx, EventError, runID, sessionID, strings.TrimSpace(err.Error())) |
| 99 | +} |
| 100 | + |
| 101 | +// emitPrepareEvent 在输入归一化阶段使用限时上下文发事件，避免通道拥塞导致提交链路卡死。 |
| 102 | +func (s *Service) emitPrepareEvent(ctx context.Context, kind EventType, runID string, sessionID string, payload any) error { |
| 103 | + emitCtx := ctx |
| 104 | + cancel := func() {} |
| 105 | + if _, hasDeadline := emitCtx.Deadline(); !hasDeadline { |
| 106 | + emitCtx, cancel = context.WithTimeout(emitCtx, prepareEventEmitTimeout) |
| 107 | + } |
| 108 | + defer cancel() |
| 109 | + |
| 110 | + if err := s.emit(emitCtx, kind, runID, sessionID, payload); err != nil { |
| 111 | + if errors.Is(err, context.DeadlineExceeded) || errors.Is(err, context.Canceled) { |
| 112 | + return nil |
| 113 | + } |
| 114 | + return err |
| 115 | + } |
| 116 | + return nil |
| 117 | +} |
| 118 | + |
| 119 | +type sessionInputPreparer struct { |
| 120 | + preparer *agentsession.InputPreparer |
| 121 | +} |
| 122 | + |
| 123 | +// Prepare 将 runtime 输入 DTO 映射到 session 子层并返回标准 UserInput 结果。 |
| 124 | +func (p sessionInputPreparer) Prepare( |
| 125 | + ctx context.Context, |
| 126 | + input PrepareInput, |
| 127 | + defaultWorkdir string, |
| 128 | +) (PreparedInputResult, error) { |
| 129 | + if p.preparer == nil { |
| 130 | + return PreparedInputResult{}, errors.New("runtime: session input preparer is nil") |
| 131 | + } |
| 132 | + |
| 133 | + sessionImages := make([]agentsession.PrepareImageInput, 0, len(input.Images)) |
| 134 | + for _, image := range input.Images { |
| 135 | + sessionImages = append(sessionImages, agentsession.PrepareImageInput{ |
| 136 | + Path: strings.TrimSpace(image.Path), |
| 137 | + MimeType: strings.TrimSpace(image.MimeType), |
| 138 | + }) |
| 139 | + } |
| 140 | + |
| 141 | + prepared, err := p.preparer.Prepare(ctx, agentsession.PrepareInput{ |
| 142 | + SessionID: strings.TrimSpace(input.SessionID), |
| 143 | + Text: input.Text, |
| 144 | + Images: sessionImages, |
| 145 | + DefaultWorkdir: strings.TrimSpace(defaultWorkdir), |
| 146 | + RequestedWorkdir: strings.TrimSpace(input.Workdir), |
| 147 | + }) |
| 148 | + if err != nil { |
| 149 | + return PreparedInputResult{}, err |
| 150 | + } |
| 151 | + |
| 152 | + if len(prepared.Parts) == 0 { |
| 153 | + return PreparedInputResult{}, fmt.Errorf("runtime: prepared parts is empty") |
| 154 | + } |
| 155 | + |
| 156 | + return PreparedInputResult{ |
| 157 | + UserInput: UserInput{ |
| 158 | + SessionID: strings.TrimSpace(prepared.SessionID), |
| 159 | + RunID: strings.TrimSpace(input.RunID), |
| 160 | + Parts: prepared.Parts, |
| 161 | + Workdir: strings.TrimSpace(prepared.Workdir), |
| 162 | + }, |
| 163 | + SavedAssets: append([]agentsession.AssetMeta(nil), prepared.SavedAssets...), |
| 164 | + }, nil |
| 165 | +} |
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