# File lib/active_record/vendor/mysql.rb, line 1089 def read() buf = [] len = nil @sock.sync = false while len == nil or len == MAX_PACKET_LENGTH do a = @sock.read(4) len = a[0]+a[1]*256+a[2]*256*256 pkt_nr = a[3] if @pkt_nr != pkt_nr then raise "Packets out of order: #{@pkt_nr}<>#{pkt_nr}" end @pkt_nr = @pkt_nr + 1 & 0xff buf << @sock.read(len) end @sock.sync = true buf.join rescue errno = Error::CR_SERVER_LOST raise Error::new(errno, Error::err(errno)) end