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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 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 SYNC_INTERNAL_API_PROTOCOL_EVENT_BUFFER_H_ | 5 #ifndef COMPONENTS_SYNC_CORE_IMPL_PROTOCOL_EVENT_BUFFER_H_ |
6 #define SYNC_INTERNAL_API_PROTOCOL_EVENT_BUFFER_H_ | 6 #define COMPONENTS_SYNC_CORE_IMPL_PROTOCOL_EVENT_BUFFER_H_ |
7 | 7 |
8 #include <stddef.h> | 8 #include <stddef.h> |
9 | 9 |
10 #include <deque> | 10 #include <deque> |
11 | 11 |
12 #include "base/macros.h" | 12 #include "base/macros.h" |
13 #include "base/memory/scoped_vector.h" | 13 #include "base/memory/scoped_vector.h" |
14 #include "sync/base/sync_export.h" | 14 #include "components/sync/base/sync_export.h" |
15 | 15 |
16 namespace syncer { | 16 namespace syncer { |
17 | 17 |
18 class ProtocolEvent; | 18 class ProtocolEvent; |
19 | 19 |
20 // A container for ProtocolEvents. | 20 // A container for ProtocolEvents. |
21 // | 21 // |
22 // Stores at most kBufferSize events, then starts dropping the oldest events. | 22 // Stores at most kBufferSize events, then starts dropping the oldest events. |
23 class SYNC_EXPORT ProtocolEventBuffer { | 23 class SYNC_EXPORT ProtocolEventBuffer { |
24 public: | 24 public: |
25 static const size_t kBufferSize; | 25 static const size_t kBufferSize; |
26 | 26 |
27 ProtocolEventBuffer(); | 27 ProtocolEventBuffer(); |
28 ~ProtocolEventBuffer(); | 28 ~ProtocolEventBuffer(); |
29 | 29 |
30 // Records an event. May cause the oldest event to be dropped. | 30 // Records an event. May cause the oldest event to be dropped. |
31 void RecordProtocolEvent(const ProtocolEvent& event); | 31 void RecordProtocolEvent(const ProtocolEvent& event); |
32 | 32 |
33 // Returns the buffered contents. Will not clear the buffer. | 33 // Returns the buffered contents. Will not clear the buffer. |
34 ScopedVector<ProtocolEvent> GetBufferedProtocolEvents() const; | 34 ScopedVector<ProtocolEvent> GetBufferedProtocolEvents() const; |
35 | 35 |
36 private: | 36 private: |
37 std::deque<ProtocolEvent*> buffer_; | 37 std::deque<ProtocolEvent*> buffer_; |
38 STLElementDeleter<std::deque<ProtocolEvent*> > buffer_deleter_; | 38 STLElementDeleter<std::deque<ProtocolEvent*>> buffer_deleter_; |
39 | 39 |
40 DISALLOW_COPY_AND_ASSIGN(ProtocolEventBuffer); | 40 DISALLOW_COPY_AND_ASSIGN(ProtocolEventBuffer); |
41 }; | 41 }; |
42 | 42 |
43 } // namespace syncer | 43 } // namespace syncer |
44 | 44 |
45 #endif // SYNC_INTERNAL_API_PROTOCOL_EVENT_BUFFER_H_ | 45 #endif // COMPONENTS_SYNC_CORE_IMPL_PROTOCOL_EVENT_BUFFER_H_ |
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