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path: root/src/integration-tests/test_integration_disconnect.py.in
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#!@PYTHONEXE@
#    This file is part of GNUnet.
#    (C) 2010, 2017 Christian Grothoff (and other contributing authors)
#
#    GNUnet is free software: you can redistribute it and/or modify it
#    under the terms of the GNU Affero General Public License as published
#    by the Free Software Foundation, either version 3 of the License,
#    or (at your option) any later version.
#
#    GNUnet 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
#    Affero General Public License for more details.
#
#    You should have received a copy of the GNU Affero General Public License
#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
#    SPDX-License-Identifier: AGPL3.0-or-later
#
#

import sys
import signal
import os
import subprocess
import re
import shutil
import time
from gnunet_testing import Peer
from gnunet_testing import Test
from gnunet_testing import Check
from gnunet_testing import Condition
from gnunet_testing import *

#
# This test tests if a fresh peer bootstraps from a hostlist server and then
# successfully connects to the server. When both peers are connected
# in transport, core, topology, fs, the server is shutdown
#
# Conditions for successful exit:
# Client peer has 0 connected peer in transport, core, topology, dht, fs

#definitions

testname = "test_integration_disconnect"
verbose = True
check_timeout = 180

if os.name == "nt":
    tmp = os.getenv("TEMP")
    signals = [signal.SIGTERM, signal.SIGINT]
else:
    tmp = "/tmp"
    signals = [signal.SIGTERM, signal.SIGINT, signal.SIGHUP, signal.SIGQUIT]


def cleanup_onerror(function, path, excinfo):
    import stat
    if not os.path.exists(path):
        pass
    elif not os.access(path, os.W_OK):
        # Is the error an access error ?
        os.chmod(path, stat.S_IWUSR)
        function(path)
    else:
        raise


def cleanup():
    shutil.rmtree(
        os.path.join(tmp, "c_bootstrap_server"), False, cleanup_onerror
    )
    shutil.rmtree(os.path.join(tmp, "c_no_nat_client"), False, cleanup_onerror)


def success_disconnect_cont(check):
    print('Peers disconnected successfully')
    global success
    success = True


def fail_disconnect_cont(check):
    global success
    success = False
    print('Peers failed to disconnect')
    check.evaluate(True)


def check_disconnect():
    test.p('Shutting down bootstrap server')
    server.stop()
    check = Check(test)
    check.add(StatisticsCondition(client, 'transport', '# peers connected', 0))
    check.add(StatisticsCondition(client, 'core', '# peers connected', 0))
    check.add(StatisticsCondition(client, 'topology', '# peers connected', 0))
    check.add(StatisticsCondition(client, 'dht', '# peers connected', 0))
    check.add(StatisticsCondition(client, 'fs', '# peers connected', 0))
    check.run_blocking(
        check_timeout, success_disconnect_cont, fail_disconnect_cont
    )


def success_connect_cont(check):
    print('Peers connected successfully')
    check_disconnect()


def fail_connect_cont(check):
    global success
    success = False
    print('Peers failed to connected!')
    check.evaluate(True)


def check_connect():
    check = Check(test)
    check.add(StatisticsCondition(server, 'transport', '# peers connected', 1))
    check.add(StatisticsCondition(server, 'core', '# peers connected', 1))
    check.add(StatisticsCondition(server, 'topology', '# peers connected', 1))
    check.add(StatisticsCondition(server, 'dht', '# peers connected', 1))
    check.add(StatisticsCondition(server, 'fs', '# peers connected', 1))

    check.add(StatisticsCondition(client, 'transport', '# peers connected', 1))
    check.add(StatisticsCondition(client, 'core', '# peers connected', 1))
    check.add(StatisticsCondition(client, 'topology', '# peers connected', 1))
    check.add(StatisticsCondition(client, 'dht', '# peers connected', 1))
    check.add(StatisticsCondition(client, 'fs', '# peers connected', 1))

    check.run_blocking(check_timeout, success_connect_cont, fail_connect_cont)


#
# Test execution
#


def SigHandler(signum=None, frame=None):
    global success
    global server
    global client

    print('Test was aborted!')
    if (None != server):
        server.stop()
    if (None != client):
        client.stop()
    cleanup()
    sys.exit(success)


def run():
    global success
    global test
    global server
    global client

    server = None
    client = None
    success = False

    for sig in signals:
        signal.signal(sig, SigHandler)

    test = Test('test_integration_bootstrap_and_connect.py', verbose)
    cleanup()

    server = Peer(test, './confs/c_bootstrap_server.conf')
    client = Peer(test, './confs/c_no_nat_client.conf')

    if (True != server.start()):
        print('Failed to start server')
        if (None != server):
            server.stop()
        cleanup()
        sys.exit(success)

    # Give the server time to start
    time.sleep(5)

    if (True != client.start()):
        print('Failed to start client')
        if (None != server):
            server.stop()
        if (None != client):
            client.stop()
        cleanup()
        sys.exit(success)

    if ((client.started == True) and (server.started == True)):
        test.p('Peers started, running check')
        time.sleep(5)
        check_connect()
    server.stop()
    client.stop()

    cleanup()

    if (success == False):
        print('Test failed')
        return False
    else:
        return True


try:
    run()
except (KeyboardInterrupt, SystemExit):
    print('Test interrupted')
    server.stop()
    client.stop()
    cleanup()
if (success == False):
    sys.exit(1)
else:
    sys.exit(0)