blob: 7462888b54023b8dd9d6e754ae5432e5822eb67c [file] [log] [blame]
// Copyright 2016 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.
// Decodes the payload of a SETTINGS frame; for the RFC, see:
#include "http2/decoder/decode_buffer.h"
#include "http2/decoder/decode_status.h"
#include "http2/decoder/frame_decoder_state.h"
#include "http2/http2_structures.h"
#include "common/platform/api/quiche_export.h"
namespace http2 {
namespace test {
class SettingsPayloadDecoderPeer;
} // namespace test
class QUICHE_EXPORT_PRIVATE SettingsPayloadDecoder {
// Starts the decoding of a SETTINGS frame's payload, and completes it if
// the entire payload is in the provided decode buffer.
DecodeStatus StartDecodingPayload(FrameDecoderState* state, DecodeBuffer* db);
// Resumes decoding a SETTINGS frame that has been split across decode
// buffers.
DecodeStatus ResumeDecodingPayload(FrameDecoderState* state,
DecodeBuffer* db);
friend class test::SettingsPayloadDecoderPeer;
// Decodes as many settings as are available in the decode buffer, starting at
// the first byte of one setting; if a single setting is split across buffers,
// ResumeDecodingPayload will handle starting from where the previous call
// left off, and then will call StartDecodingSettings.
DecodeStatus StartDecodingSettings(FrameDecoderState* state,
DecodeBuffer* db);
// Decoding a single SETTING returned a status other than kDecodeDone; this
// method just brings together the QUICHE_DCHECKs to reduce duplication.
DecodeStatus HandleNotDone(FrameDecoderState* state,
DecodeBuffer* db,
DecodeStatus status);
Http2SettingFields setting_fields_;
} // namespace http2