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50 lines
1.5 KiB
C++
50 lines
1.5 KiB
C++
// Copyright (c) 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_SPDY_CHROMIUM_HEADER_COALESCER_H_
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#define NET_SPDY_CHROMIUM_HEADER_COALESCER_H_
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#include "net/base/net_export.h"
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#include "net/log/net_log_with_source.h"
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#include "net/spdy/core/spdy_header_block.h"
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#include "net/spdy/core/spdy_headers_handler_interface.h"
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#include "net/spdy/platform/api/spdy_string_piece.h"
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namespace net {
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class NET_EXPORT_PRIVATE HeaderCoalescer : public SpdyHeadersHandlerInterface {
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public:
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HeaderCoalescer(uint32_t max_header_list_size,
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const NetLogWithSource& net_log);
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void OnHeaderBlockStart() override {}
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void OnHeader(SpdyStringPiece key, SpdyStringPiece value) override;
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void OnHeaderBlockEnd(size_t uncompressed_header_bytes,
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size_t compressed_header_bytes) override {}
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SpdyHeaderBlock release_headers();
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bool error_seen() const { return error_seen_; }
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// Returns the estimate of dynamically allocated memory in bytes.
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size_t EstimateMemoryUsage() const;
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private:
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// Helper to add a header. Return true on success.
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bool AddHeader(SpdyStringPiece key, SpdyStringPiece value);
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SpdyHeaderBlock headers_;
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bool headers_valid_ = true;
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size_t header_list_size_ = 0;
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bool error_seen_ = false;
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bool regular_header_seen_ = false;
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const uint32_t max_header_list_size_;
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NetLogWithSource net_log_;
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};
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} // namespace net
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#endif // NET_SPDY_CHROMIUM_HEADER_COALESCER_H_
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