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# Copyright (C) 2025 Stephen Fairchild (s-fairchild@users.sourceforge.net)
# 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 in the file entitled COPYING.
# If not, see <http://www.gnu.org/licenses/>.
__all__ = ["main"]
_description_ = "Launch back-end and make/break JACK port connections."
import os
import time
import random
import logging
import tempfile
from datetime import datetime
from uuid import uuid4 as uuid
from .common import mk_ping, Backend, prepend, mk_jack_ports_list
logging.basicConfig(level=logging.ERROR)
logger = logging.getLogger("testing")
def main():
print(_description_)
logger.setLevel(logging.INFO)
os.environ["has_head"] = "0"
os.environ["extant_port_check"] = "0"
with tempfile.TemporaryDirectory() as tmpdirname:
with Backend(0, tmpdirname) as (mx_send, _, receive):
ports_list = mk_jack_ports_list(mx_send, receive)
hw = ports_list("hwoutputs"), ports_list("hwinputs")
both = ports_list("outputs"), ports_list("inputs")
sw = [list(set(b) - set(h)) for b, h in zip(both, hw)]
print("Audio feedback noise warning!")
print("Before doing this test physically turn down your audio or disconnect headphones/speakers.")
print("User assumes responsibility for any hardware or hearing damage resulting from this test.")
choice = input("Choose port class hardware/software/both: enter (h, s, b) ")
choice = choice.strip()
ports = {"h": hw, "s": sw, "b": both}.get(choice)
if input("Add fake ports? (y/n) ").strip().lower().startswith("y"):
for port in ports:
for _ in range(2):
port.append(f"{str(uuid())}:{str(uuid())}")
legal_shit = input("Have you taken steps to protect your hearing? Enter Yes/No: ")
if legal_shit != "Yes":
print("guess not: exiting")
exit(0)
def wire(operation, source, sink):
mx_send(f"ACTN=jack{operation}\nJPRT={source}\nJPT2={sink}\n")
start_time = datetime.now()
while 1:
repeat = 10
while repeat:
wire(random.choice(["connect", "disconnect"]),
random.choice(ports[0]), random.choice(ports[1]))
repeat -= 1
time.sleep(1)
logger.info(_description_)
logger.info(f"Subtest '{choice}', Uptime: {datetime.now() - start_time}")
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