1 // Copyright 2016 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_HTTP2_DECODER_PAYLOAD_DECODERS_PRIORITY_PAYLOAD_DECODER_H_ 6 #define QUICHE_HTTP2_DECODER_PAYLOAD_DECODERS_PRIORITY_PAYLOAD_DECODER_H_ 7 8 // Decodes the payload of a PRIORITY frame. 9 10 #include "quiche/http2/decoder/decode_buffer.h" 11 #include "quiche/http2/decoder/decode_status.h" 12 #include "quiche/http2/decoder/frame_decoder_state.h" 13 #include "quiche/http2/http2_structures.h" 14 #include "quiche/common/platform/api/quiche_export.h" 15 16 namespace http2 { 17 namespace test { 18 class PriorityPayloadDecoderPeer; 19 } // namespace test 20 21 class QUICHE_EXPORT PriorityPayloadDecoder { 22 public: 23 // Starts the decoding of a PRIORITY frame's payload, and completes it if 24 // the entire payload is in the provided decode buffer. 25 DecodeStatus StartDecodingPayload(FrameDecoderState* state, DecodeBuffer* db); 26 27 // Resumes decoding a PRIORITY frame that has been split across decode 28 // buffers. 29 DecodeStatus ResumeDecodingPayload(FrameDecoderState* state, 30 DecodeBuffer* db); 31 32 private: 33 friend class test::PriorityPayloadDecoderPeer; 34 35 // Determines whether to report the PRIORITY to the listener, wait for more 36 // input, or to report a Frame Size Error. 37 DecodeStatus HandleStatus(FrameDecoderState* state, DecodeStatus status); 38 39 Http2PriorityFields priority_fields_; 40 }; 41 42 } // namespace http2 43 44 #endif // QUICHE_HTTP2_DECODER_PAYLOAD_DECODERS_PRIORITY_PAYLOAD_DECODER_H_ 45