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1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "net/spdy/hpack/hpack_static_table.h" | |
6 | |
7 #include "base/logging.h" | |
8 #include "net/spdy/hpack/hpack_constants.h" | |
9 #include "net/spdy/hpack/hpack_entry.h" | |
10 #include "net/spdy/platform/api/spdy_estimate_memory_usage.h" | |
11 #include "net/spdy/platform/api/spdy_string_piece.h" | |
12 | |
13 namespace net { | |
14 | |
15 HpackStaticTable::HpackStaticTable() {} | |
16 | |
17 HpackStaticTable::~HpackStaticTable() {} | |
18 | |
19 void HpackStaticTable::Initialize(const HpackStaticEntry* static_entry_table, | |
20 size_t static_entry_count) { | |
21 CHECK(!IsInitialized()); | |
22 | |
23 int total_insertions = 0; | |
24 for (const HpackStaticEntry* it = static_entry_table; | |
25 it != static_entry_table + static_entry_count; ++it) { | |
26 static_entries_.push_back( | |
27 HpackEntry(SpdyStringPiece(it->name, it->name_len), | |
28 SpdyStringPiece(it->value, it->value_len), | |
29 true, // is_static | |
30 total_insertions)); | |
31 HpackEntry* entry = &static_entries_.back(); | |
32 CHECK(static_index_.insert(entry).second); | |
33 // Multiple static entries may have the same name, so inserts may fail. | |
34 static_name_index_.insert(make_pair(entry->name(), entry)); | |
35 | |
36 ++total_insertions; | |
37 } | |
38 } | |
39 | |
40 bool HpackStaticTable::IsInitialized() const { | |
41 return !static_entries_.empty(); | |
42 } | |
43 | |
44 size_t HpackStaticTable::EstimateMemoryUsage() const { | |
45 return SpdyEstimateMemoryUsage(static_entries_) + | |
46 SpdyEstimateMemoryUsage(static_index_) + | |
47 SpdyEstimateMemoryUsage(static_name_index_); | |
48 } | |
49 | |
50 } // namespace net | |
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