1 // Copyright (c) 2019 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef QUICHE_QUIC_CORE_QPACK_QPACK_STREAM_SENDER_DELEGATE_H_ 6 #define QUICHE_QUIC_CORE_QPACK_QPACK_STREAM_SENDER_DELEGATE_H_ 7 8 #include "absl/strings/string_view.h" 9 #include "quiche/quic/platform/api/quic_export.h" 10 11 namespace quic { 12 13 // This interface writes encoder/decoder data to peer. 14 class QUIC_EXPORT_PRIVATE QpackStreamSenderDelegate { 15 public: 16 virtual ~QpackStreamSenderDelegate() = default; 17 18 // Write data on the unidirectional stream. 19 virtual void WriteStreamData(absl::string_view data) = 0; 20 21 // Return the number of bytes buffered due to underlying stream being blocked. 22 virtual uint64_t NumBytesBuffered() const = 0; 23 }; 24 25 } // namespace quic 26 27 #endif // QUICHE_QUIC_CORE_QPACK_QPACK_STREAM_SENDER_DELEGATE_H_ 28