iurimatias/madrox-cluster

module Madrox
  class HostsManager

    class << self

      def add_hosts(host_list)
        host_list.each do |host|
          hostname, port = host.split(":")
          add_host(hostname, port)
        end
      end

      def add_host(hostname, port)
        @@hosts ||= []
        @@hosts << Host.new(hostname, port)
      end

      def get_next_free_host
        @@hosts.min_by { |h| h.jobs }
      end

      def get_free_hosts()
        @@hosts.select { |host| host.jobs == 0 }
      end

      def send_to_all(payload)
        @@hosts.each { |host| host.send payload, false }
      end

      def close_connections
        @@hosts.map(&:close_connection)
      end

    end

  end
end