Files.h

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#ifndef _MADARA_KNOWLEDGE_BASE_FILES_H_
#define _MADARA_KNOWLEDGE_BASE_FILES_H_

#include <string>
#include "ace/Mem_Map.h"
#include "madara/knowledge/ThreadSafeContext.h"
#include "madara/MADARA_export.h"

namespace madara
{
  namespace knowledge
  {
    class Files
    {
    public:
      Files (ThreadSafeContext & map);

      MADARA_Export int read_file (const std::string & knowledge_key,
                     const std::string & filename);
      
      MADARA_Export int read_file (const char * filename, ACE_Mem_Map & mem_map);
      
      MADARA_Export ssize_t write_file (const std::string & knowledge_key,
                      const std::string & filename);

      MADARA_Export ssize_t write_file (const char * filename, 
                     void *& buffer, size_t & size);
      
      
      MADARA_Export int read_policy (const std::string & policy_key, 
                       const std::string & policy_file);

      MADARA_Export int shape_file (const std::string & source_key, 
                      const std::string & target_key, 
                      const std::string & policy_key);

    private:
      // folder to store files into
      const static std::string files_folder_;

      // folder to store policies into
      const static std::string policies_folder_;

      // handle to the knowledge base
      ThreadSafeContext & map_;
    };
  }
}

#endif