update.hpp

Go to the documentation of this file.

#ifndef H_KARAZEH_OPERATION_UPDATE_H
#define H_KARAZEH_OPERATION_UPDATE_H

#include "karazeh_export.h"
#include "karazeh/operation.hpp"
#include "karazeh/logger.hpp"
#include "karazeh/delta_encoder.hpp"

namespace kzh {

  class KARAZEH_EXPORT update_operation : public operation, protected logger {
  public:
    update_operation(config_t const&, release_manifest const&);
    virtual ~update_operation();

    virtual STAGE_RC stage();

    virtual STAGE_RC deploy();

    virtual void rollback();

    virtual void commit();

    virtual string_t tostring();

    string_t basis; 
    string_t basis_checksum;
    uint64_t basis_length;
    string_t delta; 
    string_t delta_checksum;
    uint64_t delta_length;
    string_t patched_checksum; /* Checksum of the file post-patching (the new one) */
    uint64_t patched_length; /* Size (in bytes) of the patched file */

  private:
    path_t basis_path_;

    path_t signature_path_;

    path_t delta_path_;

    path_t patched_path_;

    path_t cache_dir_;

    delta_encoder encoder_;

    void cleanup();

    bool patched_;
  };

} // end of namespace kzh

#endif