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
9namespace syncer {
10
11const size_t ProtocolEventBuffer::kBufferSize = 6;
12
13ProtocolEventBuffer::ProtocolEventBuffer()
14  : buffer_deleter_(&buffer_) {}
15
16ProtocolEventBuffer::~ProtocolEventBuffer() {}
17
18void 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
27ScopedVector<ProtocolEvent>
28ProtocolEventBuffer::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