34     int32_t Read(const PkgBuffer &data, size_t start, size_t needRead, size_t &readLen) override  in Read()  argument
37         UNUSED(start);  in Read()
50     virtual int32_t Write(const PkgBuffer &data, size_t size, size_t start) = 0;
87     int32_t Read(const PkgBuffer &data, size_t start, size_t needRead, size_t &readLen) override;
89     int32_t Write(const PkgBuffer &data, size_t size, size_t start) override;
115     int32_t Read(const PkgBuffer &data, size_t start, size_t needRead, size_t &readLen) override;
117     int32_t Write(const PkgBuffer &data, size_t size, size_t start) override;
165     int32_t Read(const PkgBuffer &data, size_t start, size_t needRead, size_t &readLen) override  in Read()  argument
168         UNUSED(start);  in Read()
174     int32_t Write(const PkgBuffer &data, size_t size, size_t start) override  in Write()  argument
180         int ret = processor_(data, size, start, false, context_);  in Write()