| // Copyright (c) 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef NET_QUIC_QUIC_SPDY_COMPRESSOR_H_ |
| #define NET_QUIC_QUIC_SPDY_COMPRESSOR_H_ |
| |
| #include <string> |
| |
| #include "net/base/net_export.h" |
| #include "net/quic/quic_protocol.h" |
| #include "net/spdy/spdy_framer.h" |
| |
| namespace net { |
| |
| // Handles the compression of request/response headers blocks. The |
| // serialized format is: |
| // uint32 - Priority |
| // uint32 - Header ID |
| // uint32 - Compressed header length |
| // ... - Compressed data |
| // |
| class NET_EXPORT_PRIVATE QuicSpdyCompressor { |
| public: |
| QuicSpdyCompressor(); |
| ~QuicSpdyCompressor(); |
| |
| // Returns a string comprised of [header_sequence_id, compressed_headers]. |
| std::string CompressHeaders(const SpdyHeaderBlock& headers); |
| |
| // Returns a string comprised of |
| // [priority, header_sequence_id, compressed_headers] |
| std::string CompressHeadersWithPriority(QuicPriority priority, |
| const SpdyHeaderBlock& headers); |
| |
| private: |
| std::string CompressHeadersInternal(QuicPriority priority, |
| const SpdyHeaderBlock& headers, |
| bool write_priority); |
| |
| SpdyFramer spdy_framer_; |
| QuicHeaderId header_sequence_id_; |
| |
| DISALLOW_COPY_AND_ASSIGN(QuicSpdyCompressor); |
| }; |
| |
| } // namespace net |
| |
| #endif // NET_QUIC_QUIC_SPDY_COMPRESSOR_H_ |