#! /usr/bin/python # # rankmirrors : read a list of mirrors from a file and rank them by speed # # Original Idea copyright (c) 2006 R.G. <chesercat> # Modified 2006 by Dan McGee <dan@archlinux.org> # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, # USA. # import os, sys, datetime, time, socket, urllib2 from optparse import OptionParser # TODO: handle KeyboardInterrupt better, print list of already timed # servers and then exit. Easier if program is function-ized. def createOptParser(): usage = "usage: %prog [options] MIRRORFILE | URL" description = "Ranks pacman mirrors by their connection and opening " \ "speed. Pacman mirror files are located in /etc/pacman.d/. It " \ "can also rank one mirror if the URL is provided." parser = OptionParser(usage = usage, description = description) parser.add_option("-n", type = "int", dest = "num", default = 0, help = "number of servers to output, 0 for all") parser.add_option("-t", "--times", action = "store_true", dest = "times", default = False, help = "only output mirrors and their response times") parser.add_option("-u", "--url", action = "store_true", dest = "url", default=False, help="test a specific url") parser.add_option("-v", "--verbose", action = "store_true", dest = "verbose", default = False, help ="be verbose in output") return parser def timeCmd(cmd): before = time.time(); try: cmd(); except KeyboardInterrupt, ki: raise ki except socket.timeout, ioe: return 'timeout' except Exception, e: return 'unreachable' return time.time() - before; def talkToServer(serverUrl): opener = urllib2.build_opener() tmp = opener.open(serverUrl).read() def getFuncToTime(serverUrl): return lambda : talkToServer(serverUrl) def cmpPairBySecond(p1, p2): if p1[1] == p2[1]: return 0 if p1[1] < p2[1]: return -1 return 1 if __name__ == "__main__": parser = createOptParser() (options, args) = parser.parse_args() if len(args) != 1: parser.print_help(sys.stderr) sys.exit(0) # allows connections to time out if they take too long socket.setdefaulttimeout(10) if options.url: if options.verbose: print 'Testing', args[0] + '...' serverToTime = timeCmd(getFuncToTime(args[0])) print args[0], ':', serverToTime sys.exit(0) if not os.path.isfile(args[0]): print 'file', args[0], 'does not exist.' sys.exit(1) fl = open(args[0], 'r') serverToTime = {} if options.times: print 'Querying servers, this may take some time...' else: print "# Server list generated by rankmirrors on", print datetime.date.today() for ln in fl.readlines(): splitted = ln.split('=') if splitted[0].strip() != 'Server': if not options.times: print ln, continue serverUrl = splitted[1].strip() if serverUrl[-1] == '\n': serverUrl = serverUrl[0:-1] if options.verbose and options.times: print serverUrl,'...', elif options.verbose: print '#',serverUrl,'...', elif options.times: print ' * ', sys.stdout.flush() serverToTime[serverUrl] = timeCmd(getFuncToTime(serverUrl)) if options.verbose: try: print "%.2f" % serverToTime[serverUrl] except: print serverToTime[serverUrl] items = serverToTime.items() items.sort(cmpPairBySecond) numToShow = int(options.num) if numToShow == 0: numToShow = len(items) if len(items) > 0: if options.times: print print ' Servers sorted by time (seconds):' for i in items[0:numToShow]: try: print "%.2f" % i[1], ':', i[0] except: print i[1], ':', i[0] else: for i in items[0:numToShow]: print 'Server =', i[0] # vim: set ts=4 sw=4 et: