mongo-ruby-driver/lib/mongo/message/message_header.rb
2008-11-21 20:00:51 -05:00

35 lines
717 B
Ruby

require 'mongo/util/byte_buffer'
module XGen
module Mongo
module Driver
class MessageHeader
HEADER_SIZE = 16
def initialize()
@buf = ByteBuffer.new
end
def read_header(socket)
@buf.rewind
@buf.put_array(socket.recv(HEADER_SIZE).unpack("C*"))
raise "Short read for DB response header: expected #{HEADER_SIZE} bytes, saw #{@buf.size}" unless @buf.size == HEADER_SIZE
@buf.rewind
@size = @buf.get_int
@request_id = @buf.get_int
@response_to = @buf.get_int
@op = @buf.get_int
self
end
def dump
@buf.dump
end
end
end
end
end