Protocol.h

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/*
 * Copyright (C) 2007-2015 Hypertable, Inc.
 *
 * This file is part of Hypertable.
 *
 * Hypertable is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 3
 * of the License, or any later version.
 *
 * Hypertable 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301, USA.
 */

#ifndef AsyncComm_Protocol_h
#define AsyncComm_Protocol_h

#include "Event.h"
#include "CommHeader.h"
#include "CommBuf.h"

namespace Hypertable {

  class CommBuf;

  class Protocol {

  public:

    virtual ~Protocol() { return; }

    static int32_t response_code(const Event *event);

    static int32_t response_code(const EventPtr &event) {
      return response_code(event.get());
    }

    static String string_format_message(const Event *event);

    static String string_format_message(const EventPtr &event) {
      return string_format_message(event.get());
    }

    static CommBufPtr
      create_error_message(CommHeader &header, int error, const char *msg);

    virtual const char *command_text(uint64_t command) = 0;

  };
}

#endif // AsyncComm_Protocol_h