| 1 | package acp |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "errors" |
| 6 | |
| 7 | "reasonix/internal/sessioninbox" |
| 8 | ) |
| 9 | |
| 10 | type acpInboxController interface { |
| 11 | InboxSnapshot() sessioninbox.InboxSnapshot |
| 12 | RunInboxTurn(context.Context, string) error |
| 13 | } |
| 14 | |
| 15 | func drainACPInbox(ctx context.Context, ctrl acpController, runErr error) error { |
| 16 | if runErr != nil { |
| 17 | return runErr |
| 18 | } |
| 19 | inbox, ok := ctrl.(acpInboxController) |
| 20 | if !ok { |
| 21 | return nil |
| 22 | } |
| 23 | for { |
| 24 | snap := inbox.InboxSnapshot() |
| 25 | if snap.Paused { |
| 26 | return nil |
| 27 | } |
| 28 | nextID := "" |
| 29 | for _, item := range snap.Items { |
| 30 | if item.State == sessioninbox.StateQueued { |
| 31 | nextID = item.ID |
| 32 | break |
| 33 | } |
| 34 | } |
| 35 | if nextID == "" { |
| 36 | return nil |
| 37 | } |
| 38 | err := inbox.RunInboxTurn(ctx, nextID) |
| 39 | if errors.Is(err, sessioninbox.ErrNotFound) || errors.Is(err, sessioninbox.ErrInvalidState) { |
| 40 | // A concurrent queue edit won the claim; refresh the FIFO snapshot. |
| 41 | continue |
| 42 | } |
| 43 | if err != nil { |
| 44 | return err |
| 45 | } |
| 46 | } |
| 47 | } |
| 48 |