Class: Amnesia::Host

Inherits:
Object
  • Object
show all
Defined in:
lib/amnesia/host.rb

Constant Summary collapse

FLOAT_STATS = 
%w[ rusage_user rusage_system ]
STRING_STATS = 
%w[ version libevent ]
DEFAULT_PORT = 
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Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(address) ⇒ Host

Returns a new instance of Host.



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# File 'lib/amnesia/host.rb', line 15

def initialize(address)
  @address = self.class.normalize_address address
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method, *args) ⇒ Object 



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# File 'lib/amnesia/host.rb', line 25

def method_missing(method, *args)
  if stats.has_key? method.to_s
    value = stats[method.to_s]
    if FLOAT_STATS.include? method
      Float(value)
    elsif STRING_STATS.include? method
      value
    else
      Integer(value)
    end
  else
    super
  end
end

Class Method Details

.normalize_address(address) ⇒ Object 



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# File 'lib/amnesia/host.rb', line 9

def self.normalize_address address
  return "#{address}:#{DEFAULT_PORT}" unless address.include? ":"

  address
end

Instance Method Details

#address ⇒ Object 



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# File 'lib/amnesia/host.rb', line 45

def address
  @address || @connection.servers.join(', ')
end

#alive? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/amnesia/host.rb', line 19

def alive?
  return true if connection.stats[@address]
rescue Dalli::DalliError
  return false
end

#stats ⇒ Object 



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# File 'lib/amnesia/host.rb', line 40

def stats
  stats_val = connection.stats
  stats_val.values.first || {}
end