Index: net/spdy/hpack_header_table.h |
diff --git a/net/spdy/hpack_header_table.h b/net/spdy/hpack_header_table.h |
deleted file mode 100644 |
index def42afcc3445ab20ebbd8b99e1aeb05dfe4cdaa..0000000000000000000000000000000000000000 |
--- a/net/spdy/hpack_header_table.h |
+++ /dev/null |
@@ -1,133 +0,0 @@ |
-// Copyright 2014 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. |
- |
-#ifndef NET_SPDY_HPACK_HEADER_TABLE_H_ |
-#define NET_SPDY_HPACK_HEADER_TABLE_H_ |
- |
-#include <cstddef> |
-#include <deque> |
-#include <set> |
- |
-#include "base/basictypes.h" |
-#include "base/macros.h" |
-#include "net/base/net_export.h" |
-#include "net/spdy/hpack_entry.h" |
- |
-// All section references below are to |
-// http://tools.ietf.org/html/draft-ietf-httpbis-header-compression-08 |
- |
-namespace net { |
- |
-using base::StringPiece; |
- |
-namespace test { |
-class HpackHeaderTablePeer; |
-} // namespace test |
- |
-// A data structure for the static table (3.3.1) and the header table (3.3.2). |
-class NET_EXPORT_PRIVATE HpackHeaderTable { |
- public: |
- friend class test::HpackHeaderTablePeer; |
- |
- // HpackHeaderTable takes advantage of the deque property that references |
- // remain valid, so long as insertions & deletions are at the head & tail. |
- // If this changes (eg we start to drop entries from the middle of the table), |
- // this needs to be a std::list, in which case |*_index_| can be trivially |
- // extended to map to list iterators. |
- typedef std::deque<HpackEntry> EntryTable; |
- |
- // Implements a total ordering of HpackEntry on name(), value(), then index |
- // ascending. Note that index may change over the lifetime of an HpackEntry, |
- // but the relative index order of two entries will not. This comparator is |
- // composed with the 'lookup' HpackEntry constructor to allow for efficient |
- // lower-bounding of matching entries. |
- struct NET_EXPORT_PRIVATE EntryComparator { |
- bool operator() (const HpackEntry* lhs, const HpackEntry* rhs) const; |
- }; |
- typedef std::set<HpackEntry*, EntryComparator> OrderedEntrySet; |
- |
- HpackHeaderTable(); |
- |
- ~HpackHeaderTable(); |
- |
- // Last-aknowledged value of SETTINGS_HEADER_TABLE_SIZE. |
- size_t settings_size_bound() { return settings_size_bound_; } |
- |
- // Current and maximum estimated byte size of the table, as described in |
- // 5.1. Notably, this is /not/ the number of entries in the table. |
- size_t size() const { return size_; } |
- size_t max_size() const { return max_size_; } |
- |
- // Returns the entry matching the index, or NULL. |
- const HpackEntry* GetByIndex(size_t index); |
- |
- // Returns the lowest-value entry having |name|, or NULL. |
- const HpackEntry* GetByName(StringPiece name); |
- |
- // Returns the lowest-index matching entry, or NULL. |
- const HpackEntry* GetByNameAndValue(StringPiece name, StringPiece value); |
- |
- // Returns the index of an entry within this header table. |
- size_t IndexOf(const HpackEntry* entry) const; |
- |
- // Sets the maximum size of the header table, evicting entries if |
- // necessary as described in 5.2. |
- void SetMaxSize(size_t max_size); |
- |
- // Sets the SETTINGS_HEADER_TABLE_SIZE bound of the table. Will call |
- // SetMaxSize() as needed to preserve max_size() <= settings_size_bound(). |
- void SetSettingsHeaderTableSize(size_t settings_size); |
- |
- // Determine the set of entries which would be evicted by the insertion |
- // of |name| & |value| into the table, as per section 3.3.3. No eviction |
- // actually occurs. The set is returned via range [begin_out, end_out). |
- void EvictionSet(StringPiece name, |
- StringPiece value, |
- EntryTable::iterator* begin_out, |
- EntryTable::iterator* end_out); |
- |
- // Adds an entry for the representation, evicting entries as needed. |name| |
- // and |value| must not be owned by an entry which could be evicted. The |
- // added HpackEntry is returned, or NULL is returned if all entries were |
- // evicted and the empty table is of insufficent size for the representation. |
- const HpackEntry* TryAddEntry(StringPiece name, StringPiece value); |
- |
- void DebugLogTableState() const; |
- |
- private: |
- // Returns number of evictions required to enter |name| & |value|. |
- size_t EvictionCountForEntry(StringPiece name, StringPiece value) const; |
- |
- // Returns number of evictions required to reclaim |reclaim_size| table size. |
- size_t EvictionCountToReclaim(size_t reclaim_size) const; |
- |
- // Evicts |count| oldest entries from the table. |
- void Evict(size_t count); |
- |
- // |static_entries_| and |static_index_| are owned by HpackStaticTable |
- // singleton. |
- const EntryTable& static_entries_; |
- EntryTable dynamic_entries_; |
- |
- const OrderedEntrySet& static_index_; |
- OrderedEntrySet dynamic_index_; |
- |
- // Last acknowledged value for SETTINGS_HEADER_TABLE_SIZE. |
- size_t settings_size_bound_; |
- |
- // Estimated current and maximum byte size of the table. |
- // |max_size_| <= |settings_header_table_size_| |
- size_t size_; |
- size_t max_size_; |
- |
- // Total number of table insertions which have occurred. Referenced by |
- // IndexOf() for determination of an HpackEntry's table index. |
- size_t total_insertions_; |
- |
- DISALLOW_COPY_AND_ASSIGN(HpackHeaderTable); |
-}; |
- |
-} // namespace net |
- |
-#endif // NET_SPDY_HPACK_HEADER_TABLE_H_ |