| 1 | package event |
| 2 | |
| 3 | import ( |
| 4 | "sync" |
| 5 | |
| 6 | "reasonix/internal/evidence" |
| 7 | "reasonix/internal/nilutil" |
| 8 | ) |
| 9 | |
| 10 | // Sync wraps a Sink so concurrent Emit calls are serialized. The base Sink |
| 11 | // contract assumes serial emission — the agent's run loop emits one event at a |
| 12 | // time. Background jobs (internal/jobs) emit from their own goroutines, which can |
| 13 | // overlap a running turn's emission; wrapping the session sink once in Sync keeps |
| 14 | // the serial-Emit invariant every sink relies on (an SSE writer, a webview |
| 15 | // EventsEmit, a TUI channel) without each having to lock. A nil sink yields |
| 16 | // Discard. |
| 17 | func Sync(s Sink) Sink { |
| 18 | if nilutil.IsNil(s) { |
| 19 | return Discard |
| 20 | } |
| 21 | return &syncSink{inner: s} |
| 22 | } |
| 23 | |
| 24 | type syncSink struct { |
| 25 | mu sync.Mutex |
| 26 | inner Sink |
| 27 | } |
| 28 | |
| 29 | func (s *syncSink) Emit(e Event) { |
| 30 | s.mu.Lock() |
| 31 | defer s.mu.Unlock() |
| 32 | s.inner.Emit(e) |
| 33 | } |
| 34 | |
| 35 | func (s *syncSink) RecordReadinessAudit(a evidence.ReadinessAudit) { |
| 36 | s.mu.Lock() |
| 37 | defer s.mu.Unlock() |
| 38 | if rs, ok := s.inner.(ReadinessAuditSink); ok { |
| 39 | rs.RecordReadinessAudit(a) |
| 40 | } |
| 41 | } |
| 42 | |
| 43 | func (s *syncSink) RecordTurnCompletion() { |
| 44 | s.mu.Lock() |
| 45 | defer s.mu.Unlock() |
| 46 | if ts, ok := s.inner.(TurnCompletionSink); ok { |
| 47 | ts.RecordTurnCompletion() |
| 48 | } |
| 49 | } |
| 50 | |
| 51 | func (s *syncSink) RecordProtocolRecovery(a ProtocolRecoveryAudit) { |
| 52 | s.mu.Lock() |
| 53 | defer s.mu.Unlock() |
| 54 | if rs, ok := s.inner.(ProtocolRecoveryAuditSink); ok { |
| 55 | rs.RecordProtocolRecovery(a) |
| 56 | } |
| 57 | } |
| 58 |