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55 lines
1.7 KiB
C++
55 lines
1.7 KiB
C++
// Copyright 2016 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef NET_HTTP2_DECODER_PAYLOAD_DECODERS_DATA_PAYLOAD_DECODER_H_
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#define NET_HTTP2_DECODER_PAYLOAD_DECODERS_DATA_PAYLOAD_DECODER_H_
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// Decodes the payload of a DATA frame.
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#include "net/http2/decoder/decode_buffer.h"
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#include "net/http2/decoder/decode_status.h"
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#include "net/http2/decoder/frame_decoder_state.h"
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#include "net/http2/platform/api/http2_export.h"
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namespace net {
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namespace test {
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class DataPayloadDecoderPeer;
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} // namespace test
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class HTTP2_EXPORT_PRIVATE DataPayloadDecoder {
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public:
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// States during decoding of a DATA frame.
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enum class PayloadState {
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// The frame is padded and we need to read the PAD_LENGTH field (1 byte),
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// and then call OnPadLength
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kReadPadLength,
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// Report the non-padding portion of the payload to the listener's
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// OnDataPayload method.
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kReadPayload,
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// The decoder has finished with the non-padding portion of the payload,
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// and is now ready to skip the trailing padding, if the frame has any.
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kSkipPadding,
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};
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// Starts decoding a DATA frame's payload, and completes it if
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// the entire payload is in the provided decode buffer.
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DecodeStatus StartDecodingPayload(FrameDecoderState* state, DecodeBuffer* db);
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// Resumes decoding a DATA frame's payload that has been split across
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// decode buffers.
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DecodeStatus ResumeDecodingPayload(FrameDecoderState* state,
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DecodeBuffer* db);
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private:
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friend class test::DataPayloadDecoderPeer;
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PayloadState payload_state_;
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};
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} // namespace net
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#endif // NET_HTTP2_DECODER_PAYLOAD_DECODERS_DATA_PAYLOAD_DECODER_H_
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