Function _local_ipv4_addrs

network_diagnostics.py:126–134

Set of this host's IPv4 addresses (no CIDR), across all interfaces. Used to validate an mtr source ('start point') binding.

()

    cmd = ['ping', '-n', '-c', str(count), '-w', str(deadline)]
    if interface:
        if not _valid_iface(interface) or interface not in _list_iface_names(include_virtual=True):
            return {'success': False, 'output': '', 'summary': {},
                    'error': f'Unknown interface: {interface}'}
        cmd += ['-I', interface]
    res = _run(cmd + [target], timeout=deadline + 5)
    out = res['out'] or res['err']
    summary = {}
    m = re.search(r'(\d+) packets transmitted, (\d+) received.*?([\d.]+)% packet loss', out, re.S)
    if m:
        summary['transmitted'] = int(m.group(1))
        summary['received'] = int(m.group(2))
        summary['loss_pct'] = float(m.group(3))