in-memory-storage-fifo.cpp
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1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2013-2017 Regents of the University of California.
4  *
5  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
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21 
23 
24 namespace ndn {
25 
27  : InMemoryStorage(limit)
28 {
29 }
30 
31 InMemoryStorageFifo::InMemoryStorageFifo(boost::asio::io_service& ioService, size_t limit)
32  : InMemoryStorage(ioService, limit)
33 {
34 }
35 
36 void
38 {
39  BOOST_ASSERT(m_cleanupIndex.size() <= size());
40  m_cleanupIndex.insert(entry);
41 }
42 
43 bool
45 {
46  if (!m_cleanupIndex.get<byArrival>().empty()) {
47  CleanupIndex::index<byArrival>::type::iterator it = m_cleanupIndex.get<byArrival>().begin();
48  eraseImpl((*it)->getFullName());
49  m_cleanupIndex.get<byArrival>().erase(it);
50  return true;
51  }
52 
53  return false;
54 }
55 
56 void
58 {
59  CleanupIndex::index<byEntity>::type::iterator it = m_cleanupIndex.get<byEntity>().find(entry);
60  if (it != m_cleanupIndex.get<byEntity>().end())
61  m_cleanupIndex.get<byEntity>().erase(it);
62 }
63 
64 } // namespace ndn
Copyright (c) 2013-2017 Regents of the University of California.
Definition: common.hpp:66
void erase(const Name &prefix, const bool isPrefix=true)
Deletes in-memory storage entry by prefix by default.
void beforeErase(InMemoryStorageEntry *entry) override
Update the entry or other data structures before a entry is successfully erased, erase it from the cl...
Represents in-memory storage.
bool evictItem() override
Removes one Data packet from in-memory storage based on FIFO.
shared_ptr< const Data > find(const Interest &interest)
Finds the best match Data for an Interest.
Represents an in-memory storage entry.
InMemoryStorage::const_iterator begin() const
Returns begin iterator of the in-memory storage ordering by name with digest.
void eraseImpl(const Name &name)
deletes in-memory storage entries by the Name with implicit digest.
void afterInsert(InMemoryStorageEntry *entry) override
Update the entry after a entry is successfully inserted, add it to the cleanupIndex.