mongo-ruby-driver/lib/mongo/message/message_header.rb

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717 B
Ruby
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2008-11-22 01:00:51 +00:00
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