#! /usr/bin/python # # rankmirrors - read a list of mirrors from a file and rank them by speed # @configure_input@ # # Copyright (c) 2002-2007 by Judd Vinet <jvinet@zeroflux.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, see <http://www.gnu.org/licenses/>. # import os, sys, datetime, time, socket, urllib2 from optparse import OptionParser from string import Template def createOptParser(): usage = "usage: %prog [options] MIRRORFILE | URL" version = "%prog (pacman) @PACKAGE_VERSION@\n" \ "Copyright (C) 2002-2007 Judd Vinet <jvinet@zeroflux.org>.\n\n" \ "This is free software; see the source for copying conditions.\n" \ "There is NO WARRANTY, to the extent permitted by law." 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, version = version, 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 ouptut") # The following two options should be automatic #parser.add_option("-h", "--help", action = "help") #parser.add_option("-V", "--version", action = "version") 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() # retrieve first 50,000 bytes only tmp = opener.open(serverUrl).read(50000) 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 def printResults(servers, time, verbose, num): items = servers.items() items.sort(cmpPairBySecond) itemsLen = len(items) numToShow = num if numToShow > itemsLen or numToShow == 0: numToShow = itemsLen if itemsLen > 0: if time: print print ' Servers sorted by time (seconds):' for i in items[0:numToShow]: if i[1] == 'timeout' or i[1] == 'unreachable': print i[0], ':', i[1] else: print i[0], ':', "%.2f" % i[1] else: for i in items[0:numToShow]: print 'Server =', i[0] 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] + '...' try: serverToTime = timeCmd(getFuncToTime(args[0])) except KeyboardInterrupt, ki: sys.exit(1) if serverToTime == 'timeout' or serverToTime == 'unreachable': print args[0], ':', serverToTime else: print args[0], ':', "%.2f" % serverToTime sys.exit(0) if not os.path.isfile(args[0]) and args[0] != "-": print >>sys.stderr, 'rankmirrors: file', args[0], 'does not exist.' sys.exit(1) if args[0] == "-": fl = sys.stdin else: 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() # if the $repo var is used in the url, replace it by core tempUrl = Template(serverUrl).safe_substitute(repo='core') # add @DBEXT@ to server name. the repo name is parsed # from the mirror url; it is the third (or fourth) dir # from the end, where the url is http://foo/bar/REPO/os/arch try: splitted2 = tempUrl.split('/') if tempUrl[-1] != '/': repoName = splitted2[-3] dbFileName = '/' + repoName + '@DBEXT@' else: repoName = splitted2[-4] dbFileName = repoName + '@DBEXT@' except: dbFileName = '' try: serverToTime[serverUrl] = timeCmd(getFuncToTime(tempUrl + dbFileName)) if options.verbose: try: print "%.2f" % serverToTime[serverUrl] except: print serverToTime[serverUrl] except: print printResults(serverToTime, options.times, options.verbose, options.num) sys.exit(0) printResults(serverToTime, options.times, options.verbose, options.num) # vim: set ts=4 sw=4 et: