aboutsummaryrefslogtreecommitdiffstats
path: root/src/lib/entropy/proc_walk/proc_walk.h
blob: 04c3b1bbabbeb27d9365f4a58b8a3f920e404243 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
/*
* File Tree Walking EntropySource
* (C) 1999-2008 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/

#ifndef BOTAN_ENTROPY_SRC_PROC_WALK_H__
#define BOTAN_ENTROPY_SRC_PROC_WALK_H__

#include <botan/entropy_src.h>
#include <memory>

namespace Botan {

/**
* File Tree Walking Entropy Source
*/
class ProcWalking_EntropySource : public EntropySource
   {
   public:
      std::string name() const { return "Proc Walker"; }

      void poll(Entropy_Accumulator& accum);

      ProcWalking_EntropySource(const std::string& root_dir) :
         m_path(root_dir), m_dir(nullptr) {}

      ~ProcWalking_EntropySource();
   private:
      const std::string m_path;
      class File_Descriptor_Source* m_dir;
   };

}

#endif