membership.hpp

// Jubatus: Online machine learning framework for distributed environment
// Copyright (C) 2011 Preferred Infrastracture and Nippon Telegraph and Telephone Corporation.
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

#pragma once
#include "zk.hpp"

#include <string>
#include <vector>
#include <map>

namespace jubatus{

  static const std::string JUBATUS_BASE_PATH = "/jubatus";
  static const std::string JUBAVISOR_BASE_PATH = "/jubatus/supervisors";
  static const std::string JUBAKEEPER_BASE_PATH = "/jubatus/jubakeepers";
  static const std::string ACTOR_BASE_PATH = "/jubatus/actors";

  // "127.0.0.1" -> 9199 -> "127.0.0.1_9199"
  std::string build_loc_str(const std::string&, int, unsigned int = 0);

  // /path/base -> 127.0.0.1 -> 9199 -> /path/base/127.0.0.1_9199
  bool build_existence_path(const std::string&, const std::string&, int, std::string&);

  // 127.0.0.1_9199 -> (127.0.0.1, 9199)
  bool revert(const std::string&, std::string&, int&);

  // zk -> name -> ip -> port -> bool
  bool register_actor(zk&, const std::string&, const std::string&, int);
  // zk -> name -> list( (ip, rpc_port) )
  bool get_all_actors(zk&, const std::string&, std::vector<std::pair<std::string, int> >&);

  bool push_cleanup(zk&, pfi::lang::function<void()>&);

  void force_exit();

}