› Async::DNS › Source › Async › DNS › Transport

`class Transport`

A simple DNS message stream encoder/decoder.

Definitions

`def initialize(socket)`

Create a new transport.

Signature

parameter　socket　IO: The socket to read/write from.

Implementation

def initialize(socket)
	@socket = socket
end

`def write_message(message)`

Write a message to the socket.

Signature

parameter　message　Resolv::DNS::Message: The message to write.

Implementation

def write_message(message)
	write_chunk(message.encode)
end

`def read_chunk`

Read a chunk from the socket.

Signature

returns　String: The data read from the socket.

Implementation

def read_chunk
	if size_data = @socket.read(2)
		# Read in the length, the first two bytes:
		size = size_data.unpack('n')[0]
		
		return @socket.read(size)
	end
end

`def write_chunk(data)`

Write a chunk to the socket.

Signature

parameter　data　String: The data to write.

Implementation

def write_chunk(data)
	size_data = [data.bytesize].pack('n')
	@socket.write(size_data)
	@socket.write(data)
	@socket.flush
end