mirror of
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65 lines
2.0 KiB
C++
65 lines
2.0 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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#include "net/http2/hpack/decoder/hpack_block_decoder.h"
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#include <stdint.h>
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#include <sstream>
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#include "base/logging.h"
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#include "net/http2/platform/api/http2_string_utils.h"
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namespace net {
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DecodeStatus HpackBlockDecoder::Decode(DecodeBuffer* db) {
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if (!before_entry_) {
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DVLOG(2) << "HpackBlockDecoder::Decode resume entry, db->Remaining="
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<< db->Remaining();
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DecodeStatus status = entry_decoder_.Resume(db, listener_);
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switch (status) {
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case DecodeStatus::kDecodeDone:
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before_entry_ = true;
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break;
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case DecodeStatus::kDecodeInProgress:
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DCHECK_EQ(0u, db->Remaining());
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return DecodeStatus::kDecodeInProgress;
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case DecodeStatus::kDecodeError:
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return DecodeStatus::kDecodeError;
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}
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}
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DCHECK(before_entry_);
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while (db->HasData()) {
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DVLOG(2) << "HpackBlockDecoder::Decode start entry, db->Remaining="
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<< db->Remaining();
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DecodeStatus status = entry_decoder_.Start(db, listener_);
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switch (status) {
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case DecodeStatus::kDecodeDone:
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continue;
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case DecodeStatus::kDecodeInProgress:
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DCHECK_EQ(0u, db->Remaining());
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before_entry_ = false;
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return DecodeStatus::kDecodeInProgress;
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case DecodeStatus::kDecodeError:
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return DecodeStatus::kDecodeError;
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}
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DCHECK(false);
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}
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DCHECK(before_entry_);
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return DecodeStatus::kDecodeDone;
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}
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Http2String HpackBlockDecoder::DebugString() const {
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return Http2StrCat("HpackBlockDecoder(", entry_decoder_.DebugString(),
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", listener@", std::hex,
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reinterpret_cast<intptr_t>(listener_),
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(before_entry_ ? ", between entries)" : ", in an entry)"));
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}
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std::ostream& operator<<(std::ostream& out, const HpackBlockDecoder& v) {
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return out << v.DebugString();
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}
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} // namespace net
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