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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2009 Sun Microsystems
*
* This program 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; version 2 of the License.
*
* This program 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 St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef DRIZZLED_MESSAGE_BINARY_LOG_H
#define DRIZZLED_MESSAGE_BINARY_LOG_H
#include <drizzled/message/binary_log.pb.h>
#include "binlog_encoding.h"
#include <google/protobuf/io/zero_copy_stream.h>
#include <iosfwd>
#include <stdexcept>
namespace BinaryLog {
/**
Wrapper class to wrap a protobuf event in a type tag and a length.
The type tag is not part of the actual message, but is handled
separately since it is needed to decode the events.
*/
class Event {
public:
enum EventType {
UNDEF,
START,
CHAIN,
COMMIT,
ROLLBACK,
QUERY,
COUNT
};
Event(EventType type, google::protobuf::Message *message)
: m_type(type), m_message(message)
{
}
Event()
: m_type(UNDEF), m_message(0)
{
}
~Event() {
delete m_message;
}
bool write(google::protobuf::io::CodedOutputStream* out) const;
void print(std::ostream& out) const;
bool read(google::protobuf::io::CodedInputStream* in);
private:
EventType m_type;
google::protobuf::Message *m_message;
};
}
#endif /* DRIZZLED_MESSAGE_BINARY_LOG_H */
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