NS-3 based Named Data Networking (NDN) simulator
ndnSIM 2.5: NDN, CCN, CCNx, content centric networks
API Documentation
random_device.hpp
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1 /*
2  * Copyright (c) 2014, Peter Thorson. All rights reserved.
3  *
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27 
28 #ifndef WEBSOCKETPP_RANDOM_RANDOM_DEVICE_HPP
29 #define WEBSOCKETPP_RANDOM_RANDOM_DEVICE_HPP
30 
32 
33 namespace websocketpp {
34 namespace random {
36 namespace random_device {
37 
39 
52 template <typename int_type, typename concurrency>
54  public:
55  typedef typename concurrency::scoped_lock_type scoped_lock_type;
56  typedef typename concurrency::mutex_type mutex_type;
57 
59  //mac TODO: figure out if signed types present a range problem
61 
63  int_type operator()() {
64  scoped_lock_type guard(m_lock);
65  return m_dis(m_rng);
66  }
67  private:
68 
69 
70  lib::random_device m_rng;
71  lib::uniform_int_distribution<int_type> m_dis;
72 
73  mutex_type m_lock;
74 };
75 
76 } // namespace random_device
77 } // namespace random
78 } // namespace websocketpp
79 
80 #endif //WEBSOCKETPP_RANDOM_RANDOM_DEVICE_HPP
Namespace for the WebSocket++ project.
Definition: base64.hpp:41
int_type operator()()
advances the engine&#39;s state and returns the generated value
Thread safe non-deterministic random integer generator.
concurrency::scoped_lock_type scoped_lock_type