/*
  scdgetinfoassuantransaction.h - Assuan Transaction to get information from scdaemon
  Copyright (C) 2009 Klarälvdalens Datakonsult AB
  2016 Bundesamt für Sicherheit in der Informationstechnik
  Software engineering by Intevation GmbH

  This file is part of GPGME++.

  GPGME++ is free software; you can redistribute it and/or
  modify it under the terms of the GNU Library General Public
  License as published by the Free Software Foundation; either
  version 2 of the License, or (at your option) any later version.

  GPGME++ is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU Library General Public License for more details.

  You should have received a copy of the GNU Library General Public License
  along with GPGME++; see the file COPYING.LIB.  If not, write to the
  Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  Boston, MA 02110-1301, USA.
*/

#ifndef __GPGMEPP_SCDGETINFOASSUANTRANSACTION_H__
#define __GPGMEPP_SCDGETINFOASSUANTRANSACTION_H__

#include "interfaces/assuantransaction.h"

#include <string>
#include <vector>

namespace GpgME
{

class GPGMEPP_EXPORT ScdGetInfoAssuanTransaction : public AssuanTransaction
{
public:
    enum InfoItem {
        Version,         // string
        Pid,             // unsigned long
        SocketName,      // string (path)
        Status,          // char (status)
        ReaderList,      // string list
        DenyAdmin,       // (none, returns GPG_ERR_GENERAL when admin commands are allowed)
        ApplicationList, // string list

        LastInfoItem
    };

    explicit ScdGetInfoAssuanTransaction(InfoItem item);
    ~ScdGetInfoAssuanTransaction();

    std::string version() const;
    unsigned int pid() const;
    std::string socketName() const;
    char status() const;
    std::vector<std::string> readerList() const;
    std::vector<std::string> applicationList() const;

private:
    const char *command() const;
    Error data(const char *data, size_t datalen) override;
    Data inquire(const char *name, const char *args, Error &err) override;
    Error status(const char *status, const char *args) override;

private:
    void makeCommand() const;

private:
    InfoItem m_item;
    mutable std::string m_command;
    std::string m_data;
};

} // namespace GpgME

#endif // __GPGMEPP_SCDGETINFOASSUANTRANSACTION_H__