Class: Dalli::Elasticache::AutoDiscovery::BaseCommand

Inherits:
Object
  • Object
show all
Defined in:
lib/dalli/elasticache/auto_discovery/base_command.rb

Overview

Base command class for configuration endpoint command. Contains the network logic.

Direct Known Subclasses

ConfigCommand, StatsCommand

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(host, port) ⇒ BaseCommand

Returns a new instance of BaseCommand.



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# File 'lib/dalli/elasticache/auto_discovery/base_command.rb', line 13

def initialize(host, port)
  @host = host
  @port = port
end

Instance Attribute Details

#host ⇒ Object (readonly)

Returns the value of attribute host.



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# File 'lib/dalli/elasticache/auto_discovery/base_command.rb', line 11

def host
  @host
end

#port ⇒ Object (readonly)

Returns the value of attribute port.



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# File 'lib/dalli/elasticache/auto_discovery/base_command.rb', line 11

def port
  @port
end

Instance Method Details

#response_from_socket(socket) ⇒ Object 



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# File 'lib/dalli/elasticache/auto_discovery/base_command.rb', line 31

def response_from_socket(socket)
  data = +''
  until (line = socket.readline).include?('END')
    data << line
  end

  data
end

#send_command ⇒ Object

Send an ASCII command to the endpoint

Returns the raw response as a String



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# File 'lib/dalli/elasticache/auto_discovery/base_command.rb', line 21

def send_command
  socket = TCPSocket.new(@host, @port)
  begin
    socket.puts command
    response_from_socket(socket)
  ensure
    socket.close
  end
end