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#!/usr/bin/python3
servers = [ "192.92.129.1",
"192.189.54.17", # yarrina
"192.189.54.33", # warrane
"203.8.183.1", # yalumba
"192.189.54.65", # gnamma
"128.250.1.21", # munnari
]
lookups = [ ( 'munnari.oz.au', 'A' ),
( 'connect.com.au', 'SOA' ),
( 'parc.xerox.com', 'MX' ),
( 'bogus.example.net', 'A'),
]
rpts = 5
def main():
import DNS
import socket
import time
res = {}
for server in servers:
res[server] = [100000,0,0,0] # min,max,tot,failed
for what,querytype in lookups:
for count in range(rpts):
for server in servers:
d = DNS.DnsRequest(server=server,timeout=1)
fail = 0
timingstart = time.time()
try:
r=d.req(name=what,qtype=querytype)
except DNS.Error:
fail = 1
timingfinish = time.time()
if fail:
res[server][3] = res[server][3] + 1
print("(failed)",res[server][3])
if 0:
if r.header['ancount'] == 0:
print("WARNING: Server",server,"got no answers for", \
what, querytype)
t = int(1000 * (timingfinish - timingstart))
print(server,"took",t,"ms for",what,querytype)
res[server][0] = min(t,res[server][0])
res[server][1] = max(t,res[server][1])
res[server][2] = res[server][2] + t
for server in servers:
queries = rpts * len(lookups)
r = res[server]
print(server)
print("%-30s %2d/%2d(%3.2f%%) %dms/%dms/%dms min/avg/max" % (
socket.gethostbyaddr(server)[0],
queries - r[3], queries,
((queries-r[3])*100.0)/queries,
r[0],
r[2] / queries,
r[1]))
if __name__ == "__main__":
main()
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