class Backend

Attributes

conf[RW]

not_ready[RW]

Public Class Methods

new(conf) click to toggle source

# File lib/galerab/backend.rb, line 4
def initialize(conf)
  @next_host = 0
  @list = conf['backends']
  @conf = conf
  @not_ready = Array.new
end

Public Instance Methods

get_next() click to toggle source

round robin load-balancing

# File lib/galerab/backend.rb, line 12
def get_next
  @next_host = @next_host + 1
  @next_host = 0 if @next_host >= @list.size
  unless @not_ready.include?(@list[@next_host])
    @list[@next_host]
  else
    begin
      get_next
    rescue SystemStackError
        nil
    end
  end
end