Class: GQTP::Client

Inherits:
Object
  • Object
show all
Defined in:
lib/gqtp/client.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ Client

Returns a new instance of Client.



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# File 'lib/gqtp/client.rb', line 25

def initialize(options={})
  @options = options.dup
  @options[:host] ||= @options[:address] || "127.0.0.1"
  @options[:port] ||= 10043
  @backend = create_backend
  @close_requesting = false
end

Instance Attribute Details

#host ⇒ Object

Returns the value of attribute host.



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# File 'lib/gqtp/client.rb', line 24

def host
  @host
end

#port ⇒ Object

Returns the value of attribute port.



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# File 'lib/gqtp/client.rb', line 24

def port
  @port
end

Instance Method Details

#close ⇒ true #close({}) { ... } ⇒ #wait

Closes the opened connection. You can’t send a new request after this method is called.

Overloads:

  • #close ⇒ true

    Closes synchronously.

    Returns:

    • (true)
  • #close({}) { ... } ⇒ #wait

    Closes asynchronously.

    Yields:

    • Calls the block when the opened connection is closed.

    Returns:

    • (#wait) —

      The request object. If you want to wait until the request is processed. You can send #wait message to the request.



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# File 'lib/gqtp/client.rb', line 99

def close
  sync = !block_given?
  sequential_request = SequentialRequest.new
  if @backend
    quit_request = send("quit", :header => header_for_close) do
      yield if block_given?
    end
    sequential_request << quit_request
  end

  if sync
    sequential_request.wait
    true
  else
    sequential_request
  end
end

#read(&block) ⇒ Object 



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# File 'lib/gqtp/client.rb', line 56

def read(&block)
  sync = !block_given?
  parser = Parser.new
  response_body = nil

  sequential_request = SequentialRequest.new
  read_header_request = @backend.read(Header.size) do |header|
    parser << header
    read_body_request = @backend.read(parser.header.size) do |body|
      response_body = body
      if @close_requesting
        @backend.close
        @backend = nil
      end
      yield(parser.header, response_body) if block_given?
    end
    sequential_request << read_body_request
  end
  sequential_request << read_header_request

  if sync
    sequential_request.wait
    [parser.header, response_body]
  else
    sequential_request
  end
end

#send(body, options = {}, &block) ⇒ Object 



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# File 'lib/gqtp/client.rb', line 33

def send(body, options={}, &block)
  header = options[:header] || Header.new
  header.size = body.bytesize

  case body
  when /\A(?:shutdown|quit)(?:\z|\s)/
    @close_requesting = true
  when /\A\/d\/(?:shutdown|quit)(?:\z|\?)/
    @close_requesting = true
  end

  if block_given?
    sequential_request = SequentialRequest.new
    write_request = @backend.write(header.pack, body) do
      sequential_request << read(&block)
    end
    sequential_request << write_request
    sequential_request
  else
    @backend.write(header.pack, body)
  end
end