Method OnCanRead

library/cpp/neh/tcp2.cpp:889–897

must be called only from asio thread

                //must be called only from asio thread
                void OnCanRead(const TErrorCode& ec, IHandlingContext& ctx) {
                    //DBGOUT("OnCanRead(" << ec.Value() << ")");
                    if (Y_UNLIKELY(ec)) {
                        OnErrorCode(ec);
                    } else {
                        TErrorCode ec2;
                        OnReadSome(ec2, AS_.ReadSome(Buff_.Get(), BuffSize_, ec2), ctx);
                    }
                }

                //must be called only from asio thread
                void OnReadSome(const TErrorCode& ec, size_t amount, IHandlingContext& ctx) {