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#!/usr/bin/env python3
# Copyright (c) 2015-2023 Savoir-faire Linux Inc.
# Author: Adrien Béraud <adrien.beraud@savoirfairelinux.com>
#
# 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 3 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 time
import argparse
import time
import asyncio
from datetime import datetime
import opendht as dht
parser = argparse.ArgumentParser(description='Create a dht network of -n nodes')
parser.add_argument('-b', '--bootstrap', help='bootstrap address', default='bootstrap.jami.net')
parser.add_argument('-n', '--num-ops', help='number of concurrent operations on the DHT', type=int, default=8)
parser.add_argument('-p', '--period', help='duration between each test (seconds)', type=int, default=60)
parser.add_argument('-t', '--timeout', help='timeout for a test to complete (seconds)', type=float, default=15)
args = parser.parse_args()
node1 = dht.DhtRunner()
node1.run()
node2 = dht.DhtRunner()
node2.run()
node1.bootstrap(args.bootstrap)
node2.bootstrap(args.bootstrap)
loop = asyncio.get_event_loop()
pending_tests = {}
keys = [dht.InfoHash.getRandom() for _ in range(args.num_ops)]
def listen_cb(key, val, expired):
global pending_tests
kstr = str(key)
if kstr in pending_tests:
if pending_tests[kstr]['v'].id == val.id:
pending_tests.pop(kstr, None)
else:
print("Expected vid", val.id, "got", pending_tests[kstr]['v'].id)
return True
def listen(key):
node1.listen(key, lambda v, e: loop.call_soon_threadsafe(listen_cb, key, v, e))
for key in keys:
listen(key)
next_test = time.time()
while True:
start = time.time()
#print(datetime.fromtimestamp(start).strftime('%Y-%m-%d %H:%M:%S'), 'Test started')
for key in keys:
val = dht.Value(str(dht.InfoHash.getRandom()).encode())
pending_tests[str(key)] = {'v':val, 'c':0}
node2.put(key, val, lambda ok, nodes: ok)
while len(pending_tests):
loop.stop()
loop.run_forever()
time.sleep(1)
if time.time()-start > args.timeout:
print('Test timeout !')
exit(1)
end = time.time()
print(datetime.fromtimestamp(end).strftime('%Y-%m-%d %H:%M:%S'),
'Test completed successfully in', end-start)
next_test += args.period
if next_test > end:
time.sleep(next_test-end)
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