package core import ( "sync" "v2ray.com/core/features/stats" ) type syncStatManager struct { sync.RWMutex stats.Manager } func (*syncStatManager) Type() interface{} { return stats.ManagerType() } func (s *syncStatManager) Start() error { s.RLock() defer s.RUnlock() if s.Manager == nil { return nil } return s.Manager.Start() } func (s *syncStatManager) Close() error { s.RLock() defer s.RUnlock() if s.Manager == nil { return nil } return s.Manager.Close() } func (s *syncStatManager) RegisterCounter(name string) (stats.Counter, error) { s.RLock() defer s.RUnlock() if s.Manager == nil { return nil, newError("StatManager not set.") } return s.Manager.RegisterCounter(name) } func (s *syncStatManager) GetCounter(name string) stats.Counter { s.RLock() defer s.RUnlock() if s.Manager == nil { return nil } return s.Manager.GetCounter(name) } func (s *syncStatManager) Set(m stats.Manager) { if m == nil { return } s.Lock() defer s.Unlock() if s.Manager != nil { s.Manager.Close() // nolint: errcheck } s.Manager = m }