observability

type CommandEvent struct {
	Operation string
	Profile   string
	Key       string
	Duration  time.Duration
	Err       error
}

type CommandObserver interface {
	OnCommand(ctx context.Context, event CommandEvent)
}

type LeaseEvent struct {
	Operation string
	Key       string
	Token     string
	Owner     string
	TTL       time.Duration
	Acquired  bool
	Owned     bool
	Err       error
}

type LeaseObserver interface {
	OnLease(ctx context.Context, event LeaseEvent)
}

type NopCommandObserver struct{}

type NopLeaseObserver struct{}

type NopProfileObserver struct{}

type NopStoreObserver struct{}

type ProfileEvent struct {
	Profile     string
	State       string
	Err         error
	NextRetryAt time.Time
}

type ProfileObserver interface {
	OnProfileStatus(ctx context.Context, event ProfileEvent)
}

type StoreEvent struct {
	Operation string
	Key       string
	Codec     string
	Hit       bool
	TTL       time.Duration
	Size      int
	Err       error
}

type StoreObserver interface {
	OnStore(ctx context.Context, event StoreEvent)
}