NS-3 based Named Data Networking (NDN) simulator
ndnSIM 2.5: NDN, CCN, CCNx, content centric networks
API Documentation
interest-filter.hpp
Go to the documentation of this file.
1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2013-2018 Regents of the University of California.
4  *
5  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
6  *
7  * ndn-cxx library is free software: you can redistribute it and/or modify it under the
8  * terms of the GNU Lesser General Public License as published by the Free Software
9  * Foundation, either version 3 of the License, or (at your option) any later version.
10  *
11  * ndn-cxx library is distributed in the hope that it will be useful, but WITHOUT ANY
12  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
13  * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
14  *
15  * You should have received copies of the GNU General Public License and GNU Lesser
16  * General Public License along with ndn-cxx, e.g., in COPYING.md file. If not, see
17  * <http://www.gnu.org/licenses/>.
18  *
19  * See AUTHORS.md for complete list of ndn-cxx authors and contributors.
20  */
21 
22 #ifndef NDN_INTEREST_FILTER_HPP
23 #define NDN_INTEREST_FILTER_HPP
24 
25 #include "ndn-cxx/name.hpp"
26 
27 namespace ndn {
28 
29 class RegexPatternListMatcher;
30 
36 {
37 public:
38  class Error : public std::runtime_error
39  {
40  public:
41  using std::runtime_error::runtime_error;
42  };
43 
51  InterestFilter(const Name& prefix);
52 
61  InterestFilter(const char* prefixUri);
62 
71  InterestFilter(const std::string& prefixUri);
72 
91  InterestFilter(const Name& prefix, const std::string& regexFilter);
92 
98  operator const Name&() const;
99 
103  bool
104  doesMatch(const Name& name) const;
105 
106  const Name&
107  getPrefix() const
108  {
109  return m_prefix;
110  }
111 
112  bool
114  {
115  return m_regexFilter != nullptr;
116  }
117 
120  {
121  return *m_regexFilter;
122  }
123 
126  bool
128  {
129  return m_allowsLoopback;
130  }
131 
138  allowLoopback(bool wantLoopback)
139  {
140  m_allowsLoopback = wantLoopback;
141  return *this;
142  }
143 
144 private:
145  Name m_prefix;
146  shared_ptr<RegexPatternListMatcher> m_regexFilter;
147  bool m_allowsLoopback = true;
148 };
149 
150 std::ostream&
151 operator<<(std::ostream& os, const InterestFilter& filter);
152 
153 } // namespace ndn
154 
155 #endif // NDN_INTEREST_FILTER_HPP
Copyright (c) 2011-2015 Regents of the University of California.
const Name & getPrefix() const
InterestFilter & allowLoopback(bool wantLoopback)
Set whether Interest loopback is allowed.
std::ostream & operator<<(std::ostream &os, const Data &data)
Definition: data.cpp:322
declares the set of Interests a producer can serve, which starts with a name prefix,...
bool doesMatch(const Name &name) const
Check if specified Interest name matches the filter.
const RegexPatternListMatcher & getRegexFilter() const
Represents an absolute name.
Definition: name.hpp:43
bool hasRegexFilter() const
InterestFilter(const Name &prefix)
Construct an InterestFilter to match Interests by prefix.
bool allowsLoopback() const
Get whether Interest loopback is allowed.