Function parse_args

tests/benchmarks/big_db_test/big_db_test.py:211–254

Parse command-line options.

(argv)

def parse_args(argv) -> argparse.Namespace:
    """Parse command-line options."""
    p = argparse.ArgumentParser(
        description="Feed the big_db_test project with simulated boards over UDP."
    )
    p.add_argument(
        "--host", default="127.0.0.1", help="destination host (default: 127.0.0.1)"
    )
    p.add_argument(
        "--port", type=int, default=8080, help="destination UDP port (default: 8080)"
    )
    p.add_argument(
        "--rate",
        type=float,
        default=20.0,
        help="per-board cycle rate in Hz (default: 20)",
    )
    p.add_argument(
        "--cycles", type=int, default=0, help="stop after N cycles (0 = run forever)"
    )
    p.add_argument(
        "--boards",
        type=int,
        default=BOARDS_PER_TYPE,
        help="boards per type, 1..6 (default: 6)",
    )
    p.add_argument(
        "--faults",
        type=parse_fault_spec,
        default={},
        help="inject faults, e.g. 'TB:1:3,TA:2:5' (TYPE:board:channel)",
    )
    p.add_argument(
        "--print",
        dest="dump",
        action="store_true",
        help="print frames as hex, send nothing",
    )
    args = p.parse_args(argv)
    if not 1 <= args.boards <= BOARDS_PER_TYPE:
        p.error("--boards must be between 1 and 6")
    if args.rate <= 0:
        p.error("--rate must be positive")
    return args


def main(argv=None) -> int: