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/*
* 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 {
class File_Descriptor_Source
{
public:
virtual int next_fd() = 0;
virtual ~File_Descriptor_Source() {}
};
/**
* 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) {}
private:
const std::string m_path;
std::unique_ptr<File_Descriptor_Source> m_dir;
};
}
#endif
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