/* * File Tree Walking EntropySource * (C) 1999-2008 Jack Lloyd * * Botan is released under the Simplified BSD License (see license.txt) */ #ifndef BOTAN_ENTROPY_SRC_PROC_WALK_H__ #define BOTAN_ENTROPY_SRC_PROC_WALK_H__ #include #include 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::mutex m_mutex; std::unique_ptr m_dir; secure_vector m_buf; }; } #endif