| 1 | package control |
| 2 | |
| 3 | type providerDiagnosticTurn struct { |
| 4 | id string |
| 5 | dropped uint64 |
| 6 | } |
| 7 | |
| 8 | // Track bounded turn summaries independently of retained requests so a turn |
| 9 | // whose requests were all evicted still reports loss. Older metadata is unknown. |
| 10 | func (c *Controller) beginProviderDiagnosticTurn(turnID string) { |
| 11 | b := &c.providerDiagnostics |
| 12 | b.mu.Lock() |
| 13 | defer b.mu.Unlock() |
| 14 | for _, turn := range b.turns { |
| 15 | if turn.id == turnID { |
| 16 | return |
| 17 | } |
| 18 | } |
| 19 | if len(b.turns) == 128 { |
| 20 | copy(b.turns, b.turns[1:]) |
| 21 | b.turns = b.turns[:127] |
| 22 | } |
| 23 | b.turns = append(b.turns, providerDiagnosticTurn{id: turnID}) |
| 24 | } |
| 25 | |
| 26 | func (c *Controller) providerDiagnosticTurnSnapshot(turnID string) ([]providerDiagnostic, *uint64, bool) { |
| 27 | b := &c.providerDiagnostics |
| 28 | b.mu.Lock() |
| 29 | defer b.mu.Unlock() |
| 30 | requests := []providerDiagnostic{} |
| 31 | for _, request := range b.requests { |
| 32 | if turnID != "" && request.TurnID == turnID { |
| 33 | requests = append(requests, request) |
| 34 | } |
| 35 | } |
| 36 | for _, turn := range b.turns { |
| 37 | if turn.id == turnID && turnID != "" { |
| 38 | dropped := turn.dropped |
| 39 | return requests, &dropped, dropped > 0 |
| 40 | } |
| 41 | } |
| 42 | return requests, nil, true |
| 43 | } |
| 44 |