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+#! /usr/bin/python
+#
+# rankmirrors - read a list of mirrors from a file and rank them by speed
+# @configure_input@
+#
+# 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
+
+def createOptParser():
+ usage = "usage: %prog [options] MIRRORFILE | URL"
+ version = '%prog (pacman) @PACKAGE_VERSION@'
+ 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]):
+ print >>sys.stderr, 'rankmirrors: 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()
+
+ # add *.db.tar.gz 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 = serverUrl.split('/')
+ if serverUrl[-1] != '/':
+ repoName = splitted2[-3]
+ dbFileName = '/' + repoName + '.db.tar.gz'
+ else:
+ repoName = splitted2[-4]
+ dbFileName = repoName + '.db.tar.gz'
+ except:
+ dbFileName = ''
+
+ try:
+ serverToTime[serverUrl] = timeCmd(getFuncToTime(serverUrl + 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: