def _interface_stats():
try:
up_ifaces = interfacehelper.get_interfaces().get_interface_list()
all_ifaces = interfacehelper.get_all_interfaces().get_interface_list()
[rv, raw_table, err] = run_command([constants.CMD_IPTABLES_SAVE, '-t', 'raw'], retval=runcommand.FAIL)
[rv, mangle_table, err] = run_command([constants.CMD_IPTABLES_SAVE, '-t', 'mangle'], retval=runcommand.FAIL)
[rv, nat_table, err] = run_command([constants.CMD_IPTABLES_SAVE, '-t', 'nat'], retval=runcommand.FAIL)
[rv, filter_table, err] = run_command([constants.CMD_IPTABLES_SAVE, '-t', 'filter'], retval=runcommand.FAIL)
raw_len = len(raw_table.split('\n'))
mangle_len = len(mangle_table.split('\n'))
nat_len = len(nat_table.split('\n'))
filter_len = len(filter_table.split('\n'))
_log.info('NETWORKINFO: ' \
'all interfaces: %d, ' \
'up interfaces: %d, ' \
'iptables size: %d (raw: %d, mangle: %d, nat: %d, filter: %d)',
len(all_ifaces),
len(up_ifaces),
raw_len + mangle_len + nat_len + filter_len,
raw_len, mangle_len, nat_len, filter_len)
except:
_log.exception('failed to get network stats')
def _check_interfaces(_log):
from codebay.l2tpserver import interfacehelper
_re_iftab_line = re.compile(r'^([^ #]+)\s+\w{3}\s+(\w{2}:\w{2}:\w{2}:\w{2}:\w{2}:\w{2})')
infos = interfacehelper.get_all_interfaces()
current_ifaces = {}
for i in infos.get_interface_list():
_log.info('system interface: %s' % i.toString())
if not i.is_ethernet_device():
continue
current_ifaces[i.get_device_name()] = i.get_mac()
iftab_ifaces = {}
try:
iftab = open('/etc/iftab', 'r')
for l in iftab.read().split('\n'):
m = _re_iftab_line.match(l)
if m is None or len(m.groups()) < 2:
continue
dev = m.groups()[0]
mac = m.groups()[1]
info = interfacehelper.InterfaceInfo(dev, 0, 0, 0, 0, 0, mac, 'ether')
if info.is_ethernet_device():
iftab_ifaces[dev] = mac
_log.info('iftab line: %s, %s' % (dev, mac))
iftab.close()
except:
# Note: file may be missing, do not panic
_log.exception('Failed to read /etc/iftab, creating from scratch.')
pass
for i in set(current_ifaces.keys()) - set(iftab_ifaces.keys()):
# Note: GUI detects new interfaces by itself, no action
pass
for i in set(iftab_ifaces.keys()) - set(current_ifaces.keys()):
# Note: missing interfaces are ok.. and cannot tell if the
# interface vanished *just* now because mac locks are not removed.
pass
# Note: this removes old interface bindings if any..
# Note: we do not care of invalid iftab bindinds, they are udev problems
new_ifaces = iftab_ifaces
new_ifaces.update(current_ifaces)
if_lines = ''
keys = new_ifaces.keys()
keys.sort()
for i in keys:
# XXX: could also try to resolve the arp type and write if to
# config, but propably not worth the effort?
if_lines += '%s mac %s\n' % (i, new_ifaces[i])
helpers.write_file('/etc/iftab', textwrap.dedent("""\
# This file assigns persistent names to network interfaces.
# See iftab(5) for syntax.
# This file is autogenerated on system boot, do not edit.
%s""") % if_lines)
