| 1 | package serve |
| 2 | |
| 3 | import ( |
| 4 | "net/http" |
| 5 | "reasonix/internal/control" |
| 6 | "reasonix/internal/provider" |
| 7 | "strings" |
| 8 | ) |
| 9 | |
| 10 | func (s *Server) submit(w http.ResponseWriter, r *http.Request) { |
| 11 | body, trimmed, ok := decodeSubmitRequest(w, r) |
| 12 | if !ok { |
| 13 | return |
| 14 | } |
| 15 | // Session rotations must complete while bindMu is held. Controller.Submit |
| 16 | // dispatches these verbs asynchronously, which would let a following model, |
| 17 | // resume, or extension command cross the rotation generation boundary. |
| 18 | switch trimmed { |
| 19 | case "/new": |
| 20 | s.newSessionFromSubmit(w, r) |
| 21 | return |
| 22 | case "/clear": |
| 23 | s.clearSessionFromSubmit(w, r) |
| 24 | return |
| 25 | } |
| 26 | // Intercept /model <ref> for runtime model switching (the controller's |
| 27 | // Submit path only lists models — switching is frontend-specific). |
| 28 | if s.submitModelCommand(w, r, trimmed) { |
| 29 | return |
| 30 | } |
| 31 | // Intercept /effort <level> for reasoning effort switching. |
| 32 | if strings.HasPrefix(trimmed, "/effort ") { |
| 33 | level := strings.TrimSpace(strings.TrimPrefix(trimmed, "/effort")) |
| 34 | if level != "" { |
| 35 | if err := s.switchEffortExpected(r.Context(), level, r.Header.Get(expectedSessionPathHeader)); err != nil { |
| 36 | http.Error(w, err.Error(), runtimeSwitchErrorStatus(err)) |
| 37 | return |
| 38 | } |
| 39 | w.WriteHeader(http.StatusNoContent) |
| 40 | return |
| 41 | } |
| 42 | } |
| 43 | // Admission and controller replacement share one ownership boundary. |
| 44 | s.bindMu.Lock() |
| 45 | // Known durable receipts win before configuration validation on a retry. |
| 46 | identity := control.SubmissionRequest{ID: body.SubmissionID, HTTP: true, Input: body.Input, Format: body.Format, Action: body.Action, RecoveryID: body.RecoveryID} |
| 47 | if !s.validateExpectedSessionLocked(w, r) { |
| 48 | s.bindMu.Unlock() |
| 49 | return |
| 50 | } |
| 51 | if !s.admitModelSubmissionLocked(w, r, body.ModelApplication, trimmed, identity) { |
| 52 | s.bindMu.Unlock() |
| 53 | return |
| 54 | } |
| 55 | ctrl := s.ctl() |
| 56 | // Fix false 202 while a turn is active: SubmitHTTPFormat silently drops |
| 57 | // concurrent input. Clients must use POST /inbox/items for durable follow-up. |
| 58 | identified, identifiedOK := ctrl.(*control.Controller) |
| 59 | if ctrl.Running() { |
| 60 | s.bindMu.Unlock() |
| 61 | if _, err := control.MaintenanceCommandConflict(ctrl, trimmed); err != nil { |
| 62 | http.Error(w, err.Error(), http.StatusConflict) |
| 63 | return |
| 64 | } |
| 65 | http.Error(w, SubmitBusyMessage+"; use POST /inbox/items for durable follow-up", http.StatusConflict) |
| 66 | return |
| 67 | } |
| 68 | if body.Action == control.ProtocolRecoveryAction { |
| 69 | pending, ok := ctrl.(interface { |
| 70 | PendingProtocolRecovery() *provider.ProtocolRecoveryAction |
| 71 | }) |
| 72 | var action *provider.ProtocolRecoveryAction |
| 73 | if ok { |
| 74 | action = pending.PendingProtocolRecovery() |
| 75 | } |
| 76 | if action == nil || action.ID != body.RecoveryID { |
| 77 | s.bindMu.Unlock() |
| 78 | http.Error(w, "protocol recovery is unavailable or stale", http.StatusConflict) |
| 79 | return |
| 80 | } |
| 81 | } |
| 82 | if routing, ok := ctrl.(interface{ SetTurnSubmissionID(string) }); ok { |
| 83 | routing.SetTurnSubmissionID(body.SubmissionID) |
| 84 | } |
| 85 | if identifiedOK && !isServeManagementCommand(trimmed) { |
| 86 | _, err := identified.SubmitIdentified(identity) |
| 87 | if err != nil { |
| 88 | s.bindMu.Unlock() |
| 89 | writeSubmissionFailure(w, err) |
| 90 | return |
| 91 | } |
| 92 | s.bindMu.Unlock() |
| 93 | w.WriteHeader(http.StatusAccepted) |
| 94 | return |
| 95 | } |
| 96 | submitWithAction(ctrl, body.Input, body.Format, body.Action, body.RecoveryID) |
| 97 | if isServeManagementCommand(trimmed) && !ctrl.Running() && !ctrl.RuntimeStatus().PendingPrompt { |
| 98 | // Management notices/status are successful non-turn operations. |
| 99 | s.bindMu.Unlock() |
| 100 | w.WriteHeader(http.StatusNoContent) |
| 101 | return |
| 102 | } |
| 103 | // Legacy clients without receipts still use the synchronous running gate. |
| 104 | if !ctrl.Running() && !ctrl.RuntimeStatus().PendingPrompt { |
| 105 | s.bindMu.Unlock() |
| 106 | http.Error(w, "input was not admitted; session is rotating, closed, or finishing — use POST /inbox/items", http.StatusConflict) |
| 107 | return |
| 108 | } |
| 109 | s.bindMu.Unlock() |
| 110 | w.WriteHeader(http.StatusAccepted) |
| 111 | } |
| 112 |