Class: HawatelTlb::Mode::RoundRobin

Inherits:
Object
  • Object
show all
Defined in:
lib/hawatel_tlb/mode/roundrobin.rb

Overview

Overview

Details

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(group) ⇒ RoundRobin

Returns a new instance of RoundRobin.



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# File 'lib/hawatel_tlb/mode/roundrobin.rb', line 13

def initialize(group)
  @group = group
  @round = Array.new
end

Instance Attribute Details

#name ⇒ Type

Returns description.

Returns:

  • (Type) —

    description



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# File 'lib/hawatel_tlb/mode/roundrobin.rb', line 11

class RoundRobin

  def initialize(group)
    @group = group
    @round = Array.new
  end

  # Refresh group table after delete or add host
  #
  # @param group [Array<Hash>]
  def refresh(group)
    @group = group
  end

  # Return ip address based on Round Robin algorithm
  #
  # @return [Hash] hostname/ip address and port number
  def node
    counter    = 0
    first_item = ''
    @group.each do |node|
      if !node.status.empty?
        if node.status[:state] == 'online' && node.state == 'enable'
          first_item = {:host => node.host, :port => node.port} if counter == 0
          if !@round.include?(node.id)
            @round.push(node.id)
            return {:host => node.host, :port => node.port}
          end
          counter += 1
        end
      end
    end
    @round = Array.new
    return first_item if !first_item.empty?
    false
  end

end

Instance Method Details

#node ⇒ Hash

Return ip address based on Round Robin algorithm

Returns:

  • (Hash) —

    hostname/ip address and port number



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# File 'lib/hawatel_tlb/mode/roundrobin.rb', line 28

def node
  counter    = 0
  first_item = ''
  @group.each do |node|
    if !node.status.empty?
      if node.status[:state] == 'online' && node.state == 'enable'
        first_item = {:host => node.host, :port => node.port} if counter == 0
        if !@round.include?(node.id)
          @round.push(node.id)
          return {:host => node.host, :port => node.port}
        end
        counter += 1
      end
    end
  end
  @round = Array.new
  return first_item if !first_item.empty?
  false
end

#refresh(group) ⇒ Object

Refresh group table after delete or add host

Parameters:

  • group (Array<Hash>) 


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# File 'lib/hawatel_tlb/mode/roundrobin.rb', line 21

def refresh(group)
  @group = group
end