replication_services.h

/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
 *
 *  Copyright (C) 2008-2009 Sun Microsystems, Inc.
 *  Copyright (C) 2009-2010 Jay Pipes <jaypipes@gmail.com>
 *
 *  Authors:
 *
 *    Jay Pipes <jaypipes@gmail.com>
 *
 *  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
 */

#pragma once

#include <drizzled/atomics.h>
#include <drizzled/plugin/replication.h>

#include <string>
#include <vector>
#include <utility>

#include <drizzled/visibility.h>
#include <drizzled/common_fwd.h>

namespace drizzled {

class DRIZZLED_API ReplicationServices
{
public:
  typedef uint64_t GlobalTransactionId;
  enum MessageType
  {
    TRANSACTION= 1, /* A GPB Transaction Message */
    BLOB= 2 /* A BLOB value */
  };
  typedef std::pair<plugin::TransactionReplicator *, plugin::TransactionApplier *> ReplicationPair;
  typedef std::vector<ReplicationPair> ReplicationStreams;
  static bool evaluateRegisteredPlugins();
  static plugin::ReplicationReturnCode pushTransactionMessage(Session &in_session, message::Transaction &to_push);

  static bool isActive();

  static ReplicationStreams &getReplicationStreams();

  static void attachReplicator(plugin::TransactionReplicator *in_replicator);
  
  static void detachReplicator(plugin::TransactionReplicator *in_replicator);
  
  static void attachApplier(plugin::TransactionApplier *in_applier, const std::string &requested_replicator);
  
  static void detachApplier(plugin::TransactionApplier *in_applier);

  static uint64_t getLastAppliedTimestamp();
};

} /* namespace drizzled */