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| 1 // Copyright (c) 2016 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2016 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef NET_SPDY_CORE_SPDY_HEADER_INDEXING_H_ | 5 #ifndef NET_SPDY_CORE_SPDY_HEADER_INDEXING_H_ |
| 6 #define NET_SPDY_CORE_SPDY_HEADER_INDEXING_H_ | 6 #define NET_SPDY_CORE_SPDY_HEADER_INDEXING_H_ |
| 7 | 7 |
| 8 #include <stdint.h> | 8 #include <stdint.h> |
| 9 #include <memory> | 9 #include <memory> |
| 10 #include <unordered_set> | 10 #include <unordered_set> |
| 11 #include <utility> | 11 #include <utility> |
| 12 | 12 |
| 13 #include "net/base/net_export.h" | 13 #include "net/spdy/platform/api/spdy_export.h" |
| 14 #include "net/spdy/platform/api/spdy_string.h" | 14 #include "net/spdy/platform/api/spdy_string.h" |
| 15 #include "net/spdy/platform/api/spdy_string_piece.h" | 15 #include "net/spdy/platform/api/spdy_string_piece.h" |
| 16 | 16 |
| 17 namespace net { | 17 namespace net { |
| 18 | 18 |
| 19 namespace test { | 19 namespace test { |
| 20 class HeaderIndexingPeer; | 20 class HeaderIndexingPeer; |
| 21 } | 21 } |
| 22 | 22 |
| 23 NET_EXPORT_PRIVATE extern int32_t FLAGS_gfe_spdy_indexing_set_bound; | 23 SPDY_EXPORT_PRIVATE extern int32_t FLAGS_gfe_spdy_indexing_set_bound; |
| 24 NET_EXPORT_PRIVATE extern int32_t FLAGS_gfe_spdy_tracking_set_bound; | 24 SPDY_EXPORT_PRIVATE extern int32_t FLAGS_gfe_spdy_tracking_set_bound; |
| 25 | 25 |
| 26 // Maintain two headers sets: Indexing set and tracking | 26 // Maintain two headers sets: Indexing set and tracking |
| 27 // set. Call ShouldIndex() for each header to decide if to index it. If for some | 27 // set. Call ShouldIndex() for each header to decide if to index it. If for some |
| 28 // connections, we decide to index all headers, we may still want to call | 28 // connections, we decide to index all headers, we may still want to call |
| 29 // UpdateSets to log the headers into both sets. | 29 // UpdateSets to log the headers into both sets. |
| 30 class NET_EXPORT HeaderIndexing { | 30 class SPDY_EXPORT_PRIVATE HeaderIndexing { |
| 31 public: | 31 public: |
| 32 using HeaderSet = std::unordered_set<SpdyString>; | 32 using HeaderSet = std::unordered_set<SpdyString>; |
| 33 | 33 |
| 34 HeaderIndexing(); | 34 HeaderIndexing(); |
| 35 ~HeaderIndexing(); | 35 ~HeaderIndexing(); |
| 36 | 36 |
| 37 void CreateInitIndexingHeaders(); | 37 void CreateInitIndexingHeaders(); |
| 38 | 38 |
| 39 // Decide if a header should be indexed. We only use |header|. Add |value| to | 39 // Decide if a header should be indexed. We only use |header|. Add |value| to |
| 40 // be consistent with HPACK indexing policy interface. | 40 // be consistent with HPACK indexing policy interface. |
| (...skipping 21 matching lines...) Expand all Loading... |
| 62 const size_t tracking_set_bound_; | 62 const size_t tracking_set_bound_; |
| 63 int64_t total_header_count_ = 0; | 63 int64_t total_header_count_ = 0; |
| 64 int64_t update_only_header_count_ = 0; | 64 int64_t update_only_header_count_ = 0; |
| 65 int64_t missed_header_in_indexing_ = 0; | 65 int64_t missed_header_in_indexing_ = 0; |
| 66 int64_t missed_header_in_tracking_ = 0; | 66 int64_t missed_header_in_tracking_ = 0; |
| 67 }; | 67 }; |
| 68 | 68 |
| 69 } // namespace net | 69 } // namespace net |
| 70 | 70 |
| 71 #endif // NET_SPDY_CORE_SPDY_HEADER_INDEXING_H_ | 71 #endif // NET_SPDY_CORE_SPDY_HEADER_INDEXING_H_ |
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