1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
|
#! /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
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 ouptut")
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:
|