#!/usr/bin/python# diskmodel (version 1.1)# Authors: John Bucy, Greg Ganger# Contributors: John Griffin, Jiri Schindler, Steve Schlosser## Copyright (c) of Carnegie Mellon University, 2003-2005## This software is being provided by the copyright holders under the# following license. By obtaining, using and/or copying this# software, you agree that you have read, understood, and will comply# with the following terms and conditions:## Permission to reproduce, use, and prepare derivative works of this# software is granted provided the copyright and "No Warranty"# statements are included with all reproductions and derivative works# and associated documentation. This software may also be# redistributed without charge provided that the copyright and "No# Warranty" statements are included in all redistributions.## NO WARRANTY. THIS SOFTWARE IS FURNISHED ON AN "AS IS" BASIS.# CARNEGIE MELLON UNIVERSITY MAKES NO WARRANTIES OF ANY KIND, EITHER# EXPRESSED OR IMPLIED AS TO THE MATTER INCLUDING, BUT NOT LIMITED# TO: WARRANTY OF FITNESS FOR PURPOSE OR MERCHANTABILITY, EXCLUSIVITY# OF RESULTS OR RESULTS OBTAINED FROM USE OF THIS SOFTWARE. CARNEGIE# MELLON UNIVERSITY DOES NOT MAKE ANY WARRANTY OF ANY KIND WITH# RESPECT TO FREEDOM FROM PATENT, TRADEMARK, OR COPYRIGHT# INFRINGEMENT.  COPYRIGHT HOLDERS WILL BEAR NO LIABILITY FOR ANY USE# OF THIS SOFTWARE OR DOCUMENTATION.  # Read in a "raw layout" and pickle it out for fast access by# subsequent passes.import re;import sys;import string;import cPickle;import layout;def fuxor(x):    if re.match('^[0-9]+$', x): return string.atoi(x)    else: return xtry:    outfile = open(sys.argv[1], 'w');except IOError:    print "open %s" % [sys.argv[1]];lout = layout.Layout()# The number of cylinders in the label is often a bit larger than the# last mapped one.  Some things (dx_seeks) expect there to be mapped# lbns on the last cylinder according to this.maxcyl = 0for l in sys.stdin:    l = re.sub('[\s,]+', ' ', l, 0)    fields = re.split('\s+', l)    fields = map(fuxor, fields)    if fields[0] == "lbn":        lbn = fields[1]        cyl = fields[4]        if cyl > maxcyl:            maxcyl = cyl        head = fields[6]        sect = fields[8]        count = fields[10]        if fields[9] == 'seqcnt':            count += 1                if not (sect,count) in lout.tps:            lout.tps[(sect,count)] = [1, (sect,count)]        else:            lout.tps[(sect,count)][0] += 1                    tp = lout.tps[(sect,count)][1]        ext = layout.Extent(lbn,cyl,head,tp)        lout.exts.append(ext)    elif fields[1] == "cylinders":        lout.cyls = fields[0]        lout.heads = fields[4]        print "heads %d cyls %d" % (lout.heads, lout.cyls)    elif fields[0] == "maxlbn":        lout.lbns = fields[1]        print "lbns %d" % (lout.lbns)        for tp in lout.tps.keys():    print lout.tps[tp]if maxcyl < lout.cyls:    print "maxcyl %d < disk label cyls %d\n" % (maxcyl, lout.cyls)    lout.cyls = maxcyl    cPickle.dump(lout, outfile, 2);