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Diffstat (limited to 'contrib/queryperf/utils/gen-data-queryperf.py')
-rw-r--r-- | contrib/queryperf/utils/gen-data-queryperf.py | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/contrib/queryperf/utils/gen-data-queryperf.py b/contrib/queryperf/utils/gen-data-queryperf.py new file mode 100644 index 0000000..52074b7 --- /dev/null +++ b/contrib/queryperf/utils/gen-data-queryperf.py @@ -0,0 +1,113 @@ +#!/usr/bin/python + +# +# $Id: gen-data-queryperf.py,v 1.2 2008/06/13 18:17:08 jinmei Exp $ +# +# Contributed by Stephane Bortzmeyer <bortzmeyer@nic.fr> +# +# "A small tool which may be useful with contrib/queryperf. This script +# can generate files of queries, both with random names (to test the +# behaviour with NXdomain) and with domains from a real zone file." +# + +import sys +import getopt +import random +import re + +ldh = [] +# Letters +for i in range(97, 122): + ldh.append(chr(i)) +# Digits +for i in range(48, 57): + ldh.append(chr(i)) +# Hyphen +ldh.append('-') + +maxsize=10 +tld='org' +num=4 +percent_random = 0.3 +gen = None +zone_file = None +domains = {} +domain_ns = r'^([a-z0-9-\.]+)((\s+\d+)?(\s+IN)?|(\s+IN)(\s+\d+)?)\s+NS' +domain_ns_re = re.compile(domain_ns, re.IGNORECASE) + +def remove_tld(label, tld): + if label.endswith('.' + tld + '.'): + return label[0:-(1+ len(tld) + 1)] + else: + return label + +def gen_random_label(): + label = "" + for i in range(gen.randint(1, maxsize)): + label = label + gen.choice(ldh) + return label + +def make_domain(label): + return "www." + label + "." + tld + " A" + +def usage(): + sys.stdout.write("Usage: " + sys.argv[0] + " [-n number] " + \ + "[-p percent-random] [-t TLD]\n") + sys.stdout.write(" [-m MAXSIZE] [-f zone-file]\n") + +try: + optlist, args = getopt.getopt(sys.argv[1:], "hp:f:n:t:m:", + ["help", "percentrandom=", "zonefile=", + "number=", "tld=", + "maxsize="]) + for option, value in optlist: + if option == "--help" or option == "-h": + usage() + sys.exit(0) + elif option == "--number" or option == "-n": + num = int(value) + elif option == "--maxsize" or option == "-m": + maxsize = int(value) + elif option == "--percentrandom" or option == "-p": + percent_random = float(value) + elif option == "--tld" or option == "-t": + tld = str(value) + elif option == "--zonefile" or option == "-f": + zone_file = str(value) + else: + error("Unknown option " + option) +except getopt.error, reason: + sys.stderr.write(sys.argv[0] + ": " + str(reason) + "\n") + usage() + sys.exit(1) + +if len(args) <> 0: + usage() + sys.exit(1) + +gen = random.Random() +if zone_file: + file = open(zone_file) + line = file.readline() + while line: + domain_line = domain_ns_re.match(line) + if domain_line: + print domain_line.group(1) + domain = remove_tld(domain_line.group(1), tld) + domains[domain] = 1 + line = file.readline() + file.close() +if zone_file: + domains = domains.keys() + if len(domains) == 0: + sys.stderr.write("No domains found in '%s'\n" % zone_file) + sys.exit(1) +for i in range(num): + if zone_file: + if gen.random() < percent_random: + sys.stdout.write(make_domain(gen_random_label())) + else: + sys.stdout.write(make_domain(gen.choice(domains))) + else: + sys.stdout.write(make_domain(gen_random_label())) + sys.stdout.write("\n") |