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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 "sync/internal_api/protocol_event_buffer.h"
6 
7 #include "sync/internal_api/public/events/protocol_event.h"
8 
9 namespace syncer {
10 
11 const size_t ProtocolEventBuffer::kBufferSize = 6;
12 
ProtocolEventBuffer()13 ProtocolEventBuffer::ProtocolEventBuffer()
14   : buffer_deleter_(&buffer_) {}
15 
~ProtocolEventBuffer()16 ProtocolEventBuffer::~ProtocolEventBuffer() {}
17 
RecordProtocolEvent(const ProtocolEvent & event)18 void ProtocolEventBuffer::RecordProtocolEvent(const ProtocolEvent& event) {
19   buffer_.push_back(event.Clone().release());
20   if (buffer_.size() > kBufferSize) {
21     ProtocolEvent* to_delete = buffer_.front();
22     buffer_.pop_front();
23     delete to_delete;
24   }
25 }
26 
27 ScopedVector<ProtocolEvent>
GetBufferedProtocolEvents() const28 ProtocolEventBuffer::GetBufferedProtocolEvents() const {
29   ScopedVector<ProtocolEvent> ret;
30   for (std::deque<ProtocolEvent*>::const_iterator it = buffer_.begin();
31        it != buffer_.end(); ++it) {
32     ret.push_back((*it)->Clone().release());
33   }
34   return ret.Pass();
35 }
36 
37 }  // namespace syncer
38