Class: Tarantool::Response

Inherits:
Struct
  • Object
show all
Includes:
Serializers, UnpackTuples
Defined in:
lib/tarantool/response.rb

Constant Summary

Constants included from UnpackTuples

UnpackTuples::UTF8

Constants included from Util::Packer

Util::Packer::INT16, Util::Packer::INT32, Util::Packer::INT64, Util::Packer::INT8, Util::Packer::MAX_INT16, Util::Packer::MAX_INT32, Util::Packer::MAX_INT64, Util::Packer::MAX_INT8, Util::Packer::MAX_SINT16, Util::Packer::MAX_SINT32, Util::Packer::MAX_SINT64, Util::Packer::MAX_SINT8, Util::Packer::MIN_INT, Util::Packer::MIN_SINT16, Util::Packer::MIN_SINT32, Util::Packer::MIN_SINT64, Util::Packer::MIN_SINT8, Util::Packer::SINT16, Util::Packer::SINT32, Util::Packer::SINT64, Util::Packer::SINT8

Constants included from Serializers

Serializers::MAP

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from UnpackTuples

#_unpack_field

Methods included from Serializers

#check_type, #get_serializer

Instance Attribute Details

#body ⇒ Object

Returns the value of attribute body

Returns:

  • (Object) —

    the current value of body



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# File 'lib/tarantool/response.rb', line 99

def body
  @body
end

#cb ⇒ Object

Returns the value of attribute cb

Returns:

  • (Object) —

    the current value of cb



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# File 'lib/tarantool/response.rb', line 99

def cb
  @cb
end

#fields ⇒ Object

Returns the value of attribute fields

Returns:

  • (Object) —

    the current value of fields



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# File 'lib/tarantool/response.rb', line 99

def fields
  @fields
end

#get_tuples ⇒ Object

Returns the value of attribute get_tuples

Returns:

  • (Object) —

    the current value of get_tuples



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# File 'lib/tarantool/response.rb', line 99

def get_tuples
  @get_tuples
end

#request_type ⇒ Object

Returns the value of attribute request_type

Returns:

  • (Object) —

    the current value of request_type



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# File 'lib/tarantool/response.rb', line 99

def request_type
  @request_type
end

#translators ⇒ Object

Returns the value of attribute translators

Returns:

  • (Object) —

    the current value of translators



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# File 'lib/tarantool/response.rb', line 99

def translators
  @translators
end

Instance Method Details

#call(data) ⇒ Object 



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# File 'lib/tarantool/response.rb', line 103

def call(data)
  if Exception === data
    cb.call(data)
  else
    if (ret = return_code(data)) == 0
      call_callback parse_response_for_cb(data)
    else
      data.gsub!("\x00", "")
      cb.call CODE_TO_EXCEPTION[ret].new(ret, data)
    end
  end
end

#call_callback(result) ⇒ Object 



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# File 'lib/tarantool/response.rb', line 120

def call_callback(result)
  cb.call(Exception === result || get_tuples != :first ? result : result.first)
end

#parse_response(data) ⇒ Object 



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# File 'lib/tarantool/response.rb', line 130

def parse_response(data)
  return data  if Exception === data
  unless get_tuples
    ::BinUtils.get_int32_le(data)
  else
    tuples = unpack_tuples(data)
    if translators
      translators.each{|trans|
        tuples.map!{|tuple| trans.call(tuple)}
      }
    end
    tuples
  end
end

#parse_response_for_cb(data) ⇒ Object 



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# File 'lib/tarantool/response.rb', line 124

def parse_response_for_cb(data)
  parse_response data
rescue StandardError => e
  e
end

#return_code(data) ⇒ Object 



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# File 'lib/tarantool/response.rb', line 179

def return_code(data)
  ::BinUtils.slice_int32_le!(data)
end

#unpack_tuples(data) ⇒ Object 



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# File 'lib/tarantool/response.rb', line 145

def unpack_tuples(data)
  tuples_affected = ::BinUtils.slice_int32_le!(data)
  ta = tuples_affected
  fields = fields()
  if Integer === fields.last
    *fields, tail = fields
  else
    tail = 1
  end
  orig_data = data.dup
  begin
    tuples = []
    serializers = []
    while tuples_affected > 0
      byte_size = ::BinUtils.slice_int32_le!(data)
      fields_num = ::BinUtils.slice_int32_le!(data)
      tuple_str = data.slice!(0, byte_size)
      i = 0
      tuple = []
      while i < fields_num
        field = fields[fieldno = i] || fields[fieldno = get_tail_no(fields, i, tail)]
        tuple << _unpack_field(tuple_str, field, i, fieldno, serializers)
        i += 1
      end
      tuples << tuple
      tuples_affected -= 1
    end
    tuples
  rescue ValueError => e
    $stderr.puts "Value Error: tuples=#{ta} now=#{ta-tuples_affected}, remains=#{data.bytesize} remains_data='#{data.unpack('H*')[0].gsub(/../,'\& ')}' orig_size=#{orig_data.size} orig_data='#{orig_data.unpack('H*')[0].gsub(/../,'\& ')}'"
    raise e
  end
end