encryptor.h

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#ifndef ROSBAG_ENCRYPTION_H
#define ROSBAG_ENCRYPTION_H
 
#include "rosbag/buffer.h"
#include "rosbag/chunked_file.h"
#include "rosbag/structures.h"
 
#include "ros/header.h"
 
#include <stdint.h>
#include <string>
 
#include <boost/function.hpp>
 
 
namespace rosbag {
 
class Bag;
 
class EncryptorBase
{
protected:
    EncryptorBase() { }
 
public:
    virtual ~EncryptorBase() { }
 
 
    virtual void initialize(Bag const& bag, std::string const& plugin_param) = 0;
 
 
    virtual uint32_t encryptChunk(const uint32_t chunk_size, const uint64_t chunk_data_pos, ChunkedFile& file) = 0;
 
 
    virtual void decryptChunk(ChunkHeader const& chunk_header, Buffer& decrypted_chunk, ChunkedFile& file) const = 0;
 
 
    virtual void addFieldsToFileHeader(ros::M_string& header_fields) const = 0;
 
 
    virtual void readFieldsFromFileHeader(ros::M_string const& header_fields) = 0;
 
 
    virtual void writeEncryptedHeader(boost::function<void(ros::M_string const&)> write_header, ros::M_string const& header_fields, ChunkedFile& file) = 0;
 
 
    virtual bool readEncryptedHeader(boost::function<bool(ros::Header&)> read_header, ros::Header& header, Buffer& header_buffer, ChunkedFile& file) = 0;
};
 
}
 
#endif