def _get_values(self):
# example line
# 1539513512 02:42:a0:15:a2:c3 192.168.0.111 opi1 *
data = get_file_data('/var/lib/misc/dnsmasq.leases', as_lines=True)
leases = []
for line in data:
fields = line.split()
# invalid lines are silently ignored
if len(fields) < 4:
continue
lease = {
'lifetime': int(fields[0]) - int(datetime.now().timestamp()),
'hostname': fields[3],
'ip': fields[2],
'mac': fields[1],
}
leases.append(lease)
return {'leases': leases}
def _get_dev_dataflow(self, dev):
rx = int(
get_file_data(
"/sys/class/net/{dev}/statistics/rx_bytes".format(dev=dev),
firstline=True).strip())
tx = int(
get_file_data(
"/sys/class/net/{dev}/statistics/tx_bytes".format(dev=dev),
firstline=True).strip())
return {
'rx_bytes': rx,
'tx_bytes': tx,
'rx_rate': self._get_rate(dev + '_rx', rx),
'tx_rate': self._get_rate(dev + '_tx', tx),
}
def _get_meminfo(self):
lines = get_file_data(
filename='/proc/meminfo').split('\n')
meminfo = {}
for line in lines:
m = re.match('^([^:]+):\s*(\d+)( kB)?$', line)
if m:
meminfo[m.group(1)] = int(m.group(2))
return meminfo
def _get_temperatures(self):
pattern = '/sys/class/thermal/thermal_zone*/temp'
files = glob.iglob(pattern)
data = []
for filename in sorted(files):
# on OrangePi, there is a thermal_zone1 file, which cannot be read,
# so as workaround, we silently ignore exceptions here.
try:
temp = int(get_file_data(filename, firstline=True)) / 1000.0
data.append(temp)
except:
pass
return data
def get_dev_info(self, dev):
'''Get network device info.
:param dev: Network device name, e.g. eth0.
:return: Dict with device info.'''
devinfo = {'device': dev}
# Example:
# 2: ens160 inet 10.180.2.190/24 brd 10.180.2.255 scope global ens160 ...
data = get_cmd_data(['ip', '-o', '-4', 'address', 'show', dev],
firstline=True)
data = data.strip()
m = re.search(r'inet ([.0-9]+)\/([0-9]+)', data)
if m:
devinfo['ipaddress'] = m.group(1)
devinfo['netsize'] = int(m.group(2))
# Example:
# wlp3s0 inet6 fe80::6267:20ff:fe3c:14e8/64 scope link ...
data = get_cmd_data(['ip', '-o', '-6', 'address', 'show', dev],
firstline=True)
data = data.strip()
m = re.search(r'inet6 ([0-9a-f:]+)\/([0-9]+)', data)
if m:
devinfo['ipv6address'] = m.group(1)
devinfo['ipv6prefix'] = int(m.group(2))
devinfo['hwaddress'] = get_file_data(
"/sys/class/net/{dev}/address".format(dev=dev),
firstline=True).strip()
devinfo.update(self._get_dev_dataflow(dev))
return devinfo
def _get_uptime(self):
data = get_file_data(
filename='/proc/uptime',
firstline=True)
return float(data.split(' ')[0])
def check(self):
data = get_file_data('/var/lib/misc/dnsmasq.leases', as_lines=True)
def _get_loadavg(self):
loaddata = get_file_data(filename='/proc/loadavg', firstline=True)
values = [float(v) for v in loaddata.split(' ')[0:3]]
return values