166 struct ServiceSocket : public asocket {  struct
167     ServiceSocket() = delete;
168     explicit ServiceSocket(atransport* transport) {  in ServiceSocket()  function
175             return static_cast<ServiceSocket*>(self)->Enqueue(std::move(data));  in ServiceSocket()
177         this->ready = [](asocket* self) { return static_cast<ServiceSocket*>(self)->Ready(); };  in ServiceSocket()
178         this->close = [](asocket* self) { return static_cast<ServiceSocket*>(self)->Close(); };  in ServiceSocket()
180     virtual ~ServiceSocket() = default;
182     ServiceSocket(const ServiceSocket& copy) = delete;
183     ServiceSocket(ServiceSocket&& move) = delete;
184     ServiceSocket& operator=(const ServiceSocket& copy) = delete;
185     ServiceSocket& operator=(ServiceSocket&& move) = delete;
203 struct SinkSocket : public ServiceSocket {  argument
205         : ServiceSocket(transport), bytes_left_(byte_count) {  in SinkSocket()
225 struct SourceSocket : public ServiceSocket {
227         : ServiceSocket(transport), bytes_left_(byte_count) {  in SourceSocket()