| 1 | package main |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "errors" |
| 6 | "log/slog" |
| 7 | |
| 8 | "reasonix/internal/session" |
| 9 | ) |
| 10 | |
| 11 | // Run after controllers and lifecycle barriers release their bindings. |
| 12 | func (a *App) closeSessionServices() { |
| 13 | if err := a.closeSessionServicesResult(); err != nil { |
| 14 | slog.Warn("desktop: close session service", "err", err) |
| 15 | } |
| 16 | } |
| 17 | |
| 18 | func (a *App) closeSessionServicesResult() error { |
| 19 | a.closeHistoryReaders() |
| 20 | a.desktopSessions.readSnapshots.close() |
| 21 | a.sessionServicesMu.Lock() |
| 22 | services := make([]*session.Service, 0, len(a.sessionServices)) |
| 23 | for _, service := range a.sessionServices { |
| 24 | services = append(services, service) |
| 25 | } |
| 26 | for _, service := range a.historicalSessionServices { |
| 27 | services = append(services, service) |
| 28 | } |
| 29 | a.sessionServicesMu.Unlock() |
| 30 | var failures error |
| 31 | for _, service := range services { |
| 32 | if err := service.Shutdown(context.Background()); err != nil { |
| 33 | if onlyReleasedBindingErrors(err) { |
| 34 | slog.Warn("desktop: released leaked session bindings during shutdown", "err", err) |
| 35 | } else { |
| 36 | failures = errors.Join(failures, err) |
| 37 | } |
| 38 | } |
| 39 | } |
| 40 | return failures |
| 41 | } |
| 42 | |
| 43 | // Shutdown may release an idle leaked binding successfully. Do not turn that |
| 44 | // warning into an unresolvable exit failure, or swallow errors joined with it. |
| 45 | func onlyReleasedBindingErrors(err error) bool { |
| 46 | if joined, ok := err.(interface{ Unwrap() []error }); ok { |
| 47 | for _, child := range joined.Unwrap() { |
| 48 | if !onlyReleasedBindingErrors(child) { |
| 49 | return false |
| 50 | } |
| 51 | } |
| 52 | return true |
| 53 | } |
| 54 | if wrapped := errors.Unwrap(err); wrapped != nil { |
| 55 | return onlyReleasedBindingErrors(wrapped) |
| 56 | } |
| 57 | return errors.Is(err, session.ErrRuntimeBound) |
| 58 | } |
| 59 |