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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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