def __update(self):
"""Load the IRQ file and update the internal dict."""
self.reset()
if not os.path.exists(self.IRQ_FILE):
# Correct issue #947: IRQ file do not exist on OpenVZ container
return self.stats
try:
with open(self.IRQ_FILE) as irq_proc:
time_since_update = getTimeSinceLastUpdate('irq')
# Read the header
self.__header(irq_proc.readline())
# Read the rest of the lines (one line per IRQ)
for line in irq_proc.readlines():
irq_line = self.__humanname(line)
current_irqs = self.__sum(line)
irq_rate = int(
current_irqs - self.lasts.get(irq_line)
if self.lasts.get(irq_line)
else 0 // time_since_update)
irq_current = {
'irq_line': irq_line,
'irq_rate': irq_rate,
'key': self.get_key(),
'time_since_update': time_since_update
}
self.stats.append(irq_current)
self.lasts[irq_line] = current_irqs
except (OSError, IOError):
pass
return self.stats
def get_docker_network(self, container_id, all_stats):
"""Return the container network usage using the Docker API (v1.0 or higher).
Input: id is the full container id
Output: a dict {'time_since_update': 3000, 'rx': 10, 'tx': 65}.
with:
time_since_update: number of seconds elapsed between the latest grab
rx: Number of byte received
tx: Number of byte transmited
"""
# Init the returned dict
network_new = {}
# Read the rx/tx stats (in bytes)
try:
netcounters = all_stats["networks"]
except KeyError as e:
# all_stats do not have NETWORK information
logger.debug("Can not grab NET usage for container {0} ({1})".format(container_id, e))
logger.debug(all_stats)
# No fallback available...
return network_new
# Previous network interface stats are stored in the network_old variable
if not hasattr(self, 'inetcounters_old'):
# First call, we init the network_old var
self.netcounters_old = {}
try:
self.netcounters_old[container_id] = netcounters
except (IOError, UnboundLocalError):
pass
if container_id not in self.netcounters_old:
try:
self.netcounters_old[container_id] = netcounters
except (IOError, UnboundLocalError):
pass
else:
# By storing time data we enable Rx/s and Tx/s calculations in the
# XML/RPC API, which would otherwise be overly difficult work
# for users of the API
try:
network_new['time_since_update'] = getTimeSinceLastUpdate('docker_net_{0}'.format(container_id))
network_new['rx'] = netcounters["eth0"]["rx_bytes"] - self.netcounters_old[container_id]["eth0"]["rx_bytes"]
network_new['tx'] = netcounters["eth0"]["tx_bytes"] - self.netcounters_old[container_id]["eth0"]["tx_bytes"]
network_new['cumulative_rx'] = netcounters["eth0"]["rx_bytes"]
network_new['cumulative_tx'] = netcounters["eth0"]["tx_bytes"]
except KeyError:
# all_stats do not have INTERFACE information
logger.debug("Can not grab network interface usage for container {0} ({1})".format(container_id, e))
logger.debug(all_stats)
# Save stats to compute next bitrate
self.netcounters_old[container_id] = netcounters
# Return the stats
return network_new
def update_local(self):
"""Update CPU stats using psutil."""
# Grab CPU stats using psutil's cpu_percent and cpu_times_percent
# Get all possible values for CPU stats: user, system, idle,
# nice (UNIX), iowait (Linux), irq (Linux, FreeBSD), steal (Linux 2.6.11+)
# The following stats are returned by the API but not displayed in the UI:
# softirq (Linux), guest (Linux 2.6.24+), guest_nice (Linux 3.2.0+)
# Init new stats
stats = self.get_init_value()
stats['total'] = cpu_percent.get()
cpu_times_percent = psutil.cpu_times_percent(interval=0.0)
for stat in ['user', 'system', 'idle', 'nice', 'iowait',
'irq', 'softirq', 'steal', 'guest', 'guest_nice']:
if hasattr(cpu_times_percent, stat):
stats[stat] = getattr(cpu_times_percent, stat)
# Additional CPU stats (number of events not as a %; psutil>=4.1.0)
# ctx_switches: number of context switches (voluntary + involuntary) per second
# interrupts: number of interrupts per second
# soft_interrupts: number of software interrupts per second. Always set to 0 on Windows and SunOS.
# syscalls: number of system calls since boot. Always set to 0 on Linux.
cpu_stats = psutil.cpu_stats()
# By storing time data we enable Rx/s and Tx/s calculations in the
# XML/RPC API, which would otherwise be overly difficult work
# for users of the API
time_since_update = getTimeSinceLastUpdate('cpu')
# Previous CPU stats are stored in the cpu_stats_old variable
if not hasattr(self, 'cpu_stats_old'):
# First call, we init the cpu_stats_old var
self.cpu_stats_old = cpu_stats
else:
for stat in cpu_stats._fields:
if getattr(cpu_stats, stat) is not None:
stats[stat] = getattr(cpu_stats, stat) - getattr(self.cpu_stats_old, stat)
stats['time_since_update'] = time_since_update
# Core number is needed to compute the CTX switch limit
stats['cpucore'] = self.nb_log_core
# Save stats to compute next step
self.cpu_stats_old = cpu_stats
return stats
def update(self):
"""Update the IRQ stats"""
# Reset the list
self.reset()
if not LINUX: # only available on GNU/Linux
return self.stats
if self.input_method == "local":
with open("/proc/interrupts") as irq_proc:
time_since_update = getTimeSinceLastUpdate("irq")
irq_proc.readline() # skip header line
for irq_line in irq_proc.readlines():
splitted_line = irq_line.split()
irq_line = splitted_line[0].replace(":", "")
current_irqs = sum(
[int(count) for count in splitted_line[1:] if count.isdigit()]
) # sum interrupts on all CPUs
irq_rate = int(
current_irqs - self.lasts.get(irq_line) if self.lasts.get(irq_line) else 0 // time_since_update
)
irq_current = {
"irq_line": irq_line,
"irq_rate": irq_rate,
"key": self.get_key(),
"time_since_update": time_since_update,
}
self.stats.append(irq_current)
self.lasts[irq_line] = current_irqs
elif self.input_method == "snmp":
# not available
pass
# Update the view
self.update_views()
self.stats = sorted(self.stats, key=operator.itemgetter("irq_rate"), reverse=True)[:5] # top 5 IRQ by rate/s
return self.stats
def update(self):
"""Update network stats using the input method.
Stats is a list of dict (one dict per interface)
"""
# Reset stats
self.reset()
if self.input_method == 'local':
# Update stats using the standard system lib
# Grab network interface stat using the PsUtil net_io_counter method
try:
netiocounters = psutil.net_io_counters(pernic=True)
except UnicodeDecodeError:
return self.stats
# New in PsUtil 3.0
# - import the interface's status (issue #765)
# - import the interface's speed (issue #718)
netstatus = {}
try:
netstatus = psutil.net_if_stats()
except AttributeError:
pass
# Previous network interface stats are stored in the network_old variable
if not hasattr(self, 'network_old'):
# First call, we init the network_old var
try:
self.network_old = netiocounters
except (IOError, UnboundLocalError):
pass
else:
# By storing time data we enable Rx/s and Tx/s calculations in the
# XML/RPC API, which would otherwise be overly difficult work
# for users of the API
time_since_update = getTimeSinceLastUpdate('net')
# Loop over interfaces
network_new = netiocounters
for net in network_new:
# Do not take hidden interface into account
if self.is_hide(net):
continue
try:
cumulative_rx = network_new[net].bytes_recv
cumulative_tx = network_new[net].bytes_sent
cumulative_cx = cumulative_rx + cumulative_tx
rx = cumulative_rx - self.network_old[net].bytes_recv
tx = cumulative_tx - self.network_old[net].bytes_sent
cx = rx + tx
netstat = {
'interface_name': net,
'time_since_update': time_since_update,
'cumulative_rx': cumulative_rx,
'rx': rx,
'cumulative_tx': cumulative_tx,
'tx': tx,
'cumulative_cx': cumulative_cx,
'cx': cx}
except KeyError:
continue
else:
# Optional stats (only compliant with PsUtil 3.0+)
# Interface status
try:
netstat['is_up'] = netstatus[net].isup
except (KeyError, AttributeError):
pass
# Interface speed in Mbps, convert it to bps
# Can be always 0 on some OS
try:
netstat['speed'] = netstatus[net].speed * 1048576
except (KeyError, AttributeError):
pass
# Finaly, set the key
netstat['key'] = self.get_key()
self.stats.append(netstat)
# Save stats to compute next bitrate
self.network_old = network_new
elif self.input_method == 'snmp':
# Update stats using SNMP
# SNMP bulk command to get all network interface in one shot
try:
netiocounters = self.get_stats_snmp(snmp_oid=snmp_oid[self.short_system_name],
bulk=True)
except KeyError:
netiocounters = self.get_stats_snmp(snmp_oid=snmp_oid['default'],
bulk=True)
# Previous network interface stats are stored in the network_old variable
if not hasattr(self, 'network_old'):
# First call, we init the network_old var
try:
self.network_old = netiocounters
except (IOError, UnboundLocalError):
pass
else:
# See description in the 'local' block
time_since_update = getTimeSinceLastUpdate('net')
# Loop over interfaces
network_new = netiocounters
for net in network_new:
# Do not take hidden interface into account
if self.is_hide(net):
continue
try:
# Windows: a tips is needed to convert HEX to TXT
# http://blogs.technet.com/b/networking/archive/2009/12/18/how-to-query-the-list-of-network-interfaces-using-snmp-via-the-ifdescr-counter.aspx
if self.short_system_name == 'windows':
try:
interface_name = str(base64.b16decode(net[2:-2].upper()))
except TypeError:
interface_name = net
else:
interface_name = net
cumulative_rx = float(network_new[net]['cumulative_rx'])
cumulative_tx = float(network_new[net]['cumulative_tx'])
cumulative_cx = cumulative_rx + cumulative_tx
rx = cumulative_rx - float(self.network_old[net]['cumulative_rx'])
tx = cumulative_tx - float(self.network_old[net]['cumulative_tx'])
cx = rx + tx
netstat = {
'interface_name': interface_name,
'time_since_update': time_since_update,
'cumulative_rx': cumulative_rx,
'rx': rx,
'cumulative_tx': cumulative_tx,
'tx': tx,
'cumulative_cx': cumulative_cx,
'cx': cx}
except KeyError:
continue
else:
netstat['key'] = self.get_key()
self.stats.append(netstat)
# Save stats to compute next bitrate
self.network_old = network_new
return self.stats
def update(self):
"""Update network stats using the input method.
Stats is a list of dict (one dict per interface)
"""
# Init new stats
stats = self.get_init_value()
if self.input_method == 'local':
# Update stats using the standard system lib
# Grab network interface stat using the psutil net_io_counter method
try:
netiocounters = psutil.net_io_counters(pernic=True)
except UnicodeDecodeError as e:
logger.debug('Can not get network interface counters ({})'.format(e))
return self.stats
# Grab interface's status (issue #765)
# Grab interface's speed (issue #718)
netstatus = {}
try:
netstatus = psutil.net_if_stats()
except OSError as e:
# see psutil #797/glances #1106
logger.debug('Can not get network interface status ({})'.format(e))
# Previous network interface stats are stored in the network_old variable
if not hasattr(self, 'network_old'):
# First call, we init the network_old var
try:
self.network_old = netiocounters
except (IOError, UnboundLocalError):
pass
return self.stats
# By storing time data we enable Rx/s and Tx/s calculations in the
# XML/RPC API, which would otherwise be overly difficult work
# for users of the API
time_since_update = getTimeSinceLastUpdate('net')
# Loop over interfaces
network_new = netiocounters
for net in network_new:
# Do not take hidden interface into account
# or KeyError: 'eth0' when interface is not connected #1348
if self.is_hide(net) or net not in netstatus:
continue
try:
cumulative_rx = network_new[net].bytes_recv
cumulative_tx = network_new[net].bytes_sent
cumulative_cx = cumulative_rx + cumulative_tx
rx = cumulative_rx - self.network_old[net].bytes_recv
tx = cumulative_tx - self.network_old[net].bytes_sent
cx = rx + tx
netstat = {'interface_name': n(net),
'time_since_update': time_since_update,
'cumulative_rx': cumulative_rx,
'rx': rx,
'cumulative_tx': cumulative_tx,
'tx': tx,
'cumulative_cx': cumulative_cx,
'cx': cx,
# Interface status
'is_up': netstatus[net].isup,
# Interface speed in Mbps, convert it to bps
# Can be always 0 on some OSes
'speed': netstatus[net].speed * 1048576,
# Set the key for the dict
'key': self.get_key()
}
except KeyError:
continue
else:
# Append the interface stats to the list
stats.append(netstat)
# Save stats to compute next bitrate
self.network_old = network_new
elif self.input_method == 'snmp':
# Update stats using SNMP
# SNMP bulk command to get all network interface in one shot
try:
netiocounters = self.get_stats_snmp(snmp_oid=snmp_oid[self.short_system_name],
bulk=True)
except KeyError:
netiocounters = self.get_stats_snmp(snmp_oid=snmp_oid['default'],
bulk=True)
# Previous network interface stats are stored in the network_old variable
if not hasattr(self, 'network_old'):
# First call, we init the network_old var
try:
self.network_old = netiocounters
except (IOError, UnboundLocalError):
pass
else:
# See description in the 'local' block
time_since_update = getTimeSinceLastUpdate('net')
# Loop over interfaces
network_new = netiocounters
for net in network_new:
# Do not take hidden interface into account
if self.is_hide(net):
continue
try:
# Windows: a tips is needed to convert HEX to TXT
# http://blogs.technet.com/b/networking/archive/2009/12/18/how-to-query-the-list-of-network-interfaces-using-snmp-via-the-ifdescr-counter.aspx
if self.short_system_name == 'windows':
try:
interface_name = str(base64.b16decode(net[2:-2].upper()))
except TypeError:
interface_name = net
else:
interface_name = net
cumulative_rx = float(network_new[net]['cumulative_rx'])
cumulative_tx = float(network_new[net]['cumulative_tx'])
cumulative_cx = cumulative_rx + cumulative_tx
rx = cumulative_rx - float(self.network_old[net]['cumulative_rx'])
tx = cumulative_tx - float(self.network_old[net]['cumulative_tx'])
cx = rx + tx
netstat = {
'interface_name': interface_name,
'time_since_update': time_since_update,
'cumulative_rx': cumulative_rx,
'rx': rx,
'cumulative_tx': cumulative_tx,
'tx': tx,
'cumulative_cx': cumulative_cx,
'cx': cx}
except KeyError:
continue
else:
netstat['key'] = self.get_key()
stats.append(netstat)
# Save stats to compute next bitrate
self.network_old = network_new
# Update the stats
self.stats = stats
return self.stats
def update(self):
"""Update disk I/O stats using the input method."""
# Init new stats
stats = self.get_init_value()
if self.input_method == 'local':
# Update stats using the standard system lib
# Grab the stat using the psutil disk_io_counters method
# read_count: number of reads
# write_count: number of writes
# read_bytes: number of bytes read
# write_bytes: number of bytes written
# read_time: time spent reading from disk (in milliseconds)
# write_time: time spent writing to disk (in milliseconds)
try:
diskiocounters = psutil.disk_io_counters(perdisk=True)
except Exception:
return stats
# Previous disk IO stats are stored in the diskio_old variable
if not hasattr(self, 'diskio_old'):
# First call, we init the diskio_old var
try:
self.diskio_old = diskiocounters
except (IOError, UnboundLocalError):
pass
else:
# By storing time data we enable Rx/s and Tx/s calculations in the
# XML/RPC API, which would otherwise be overly difficult work
# for users of the API
time_since_update = getTimeSinceLastUpdate('disk')
diskio_new = diskiocounters
for disk in diskio_new:
# By default, RamFS is not displayed (issue #714)
if self.args is not None and not self.args.diskio_show_ramfs and disk.startswith('ram'):
continue
# Do not take hide disk into account
if self.is_hide(disk):
continue
# Compute count and bit rate
try:
read_count = (diskio_new[disk].read_count -
self.diskio_old[disk].read_count)
write_count = (diskio_new[disk].write_count -
self.diskio_old[disk].write_count)
read_bytes = (diskio_new[disk].read_bytes -
self.diskio_old[disk].read_bytes)
write_bytes = (diskio_new[disk].write_bytes -
self.diskio_old[disk].write_bytes)
diskstat = {
'time_since_update': time_since_update,
'disk_name': n(disk),
'read_count': read_count,
'write_count': write_count,
'read_bytes': read_bytes,
'write_bytes': write_bytes}
# Add alias if exist (define in the configuration file)
if self.has_alias(disk) is not None:
diskstat['alias'] = self.has_alias(disk)
except KeyError:
continue
else:
diskstat['key'] = self.get_key()
stats.append(diskstat)
# Save stats to compute next bitrate
self.diskio_old = diskio_new
elif self.input_method == 'snmp':
# Update stats using SNMP
# No standard way for the moment...
pass
# Update the stats
self.stats = stats
return self.stats
def get_docker_io(self, container_id, all_stats):
"""Return the container IO usage using the Docker API (v1.0 or higher).
Input: id is the full container id
Output: a dict {'time_since_update': 3000, 'ior': 10, 'iow': 65}.
with:
time_since_update: number of seconds elapsed between the latest grab
ior: Number of byte readed
iow: Number of byte written
"""
# Init the returned dict
io_new = {}
# Read the ior/iow stats (in bytes)
try:
iocounters = all_stats["blkio_stats"]
except KeyError as e:
# all_stats do not have io information
logger.debug(
"Cannot grab block IO usage for container {} ({})".format(
container_id, e))
logger.debug(all_stats)
# No fallback available...
return io_new
# Previous io interface stats are stored in the io_old variable
if not hasattr(self, 'iocounters_old'):
# First call, we init the io_old var
self.iocounters_old = {}
try:
self.iocounters_old[container_id] = iocounters
except (IOError, UnboundLocalError):
pass
if container_id not in self.iocounters_old:
try:
self.iocounters_old[container_id] = iocounters
except (IOError, UnboundLocalError):
pass
else:
# By storing time data we enable IoR/s and IoW/s calculations in the
# XML/RPC API, which would otherwise be overly difficult work
# for users of the API
try:
# Read IOR and IOW value in the structure list of dict
ior = [
i for i in iocounters['io_service_bytes_recursive']
if i['op'] == 'Read'
][0]['value']
iow = [
i for i in iocounters['io_service_bytes_recursive']
if i['op'] == 'Write'
][0]['value']
ior_old = [
i for i in self.iocounters_old[container_id]
['io_service_bytes_recursive'] if i['op'] == 'Read'
][0]['value']
iow_old = [
i for i in self.iocounters_old[container_id]
['io_service_bytes_recursive'] if i['op'] == 'Write'
][0]['value']
except (IndexError, KeyError) as e:
# all_stats do not have io information
logger.debug(
"Cannot grab block IO usage for container {} ({})".format(
container_id, e))
else:
io_new['time_since_update'] = getTimeSinceLastUpdate(
'docker_io_{}'.format(container_id))
io_new['ior'] = ior - ior_old
io_new['iow'] = iow - iow_old
io_new['cumulative_ior'] = ior
io_new['cumulative_iow'] = iow
# Save stats to compute next bitrate
self.iocounters_old[container_id] = iocounters
# Return the stats
return io_new
def get_docker_network(self, container_id, all_stats):
"""Return the container network usage using the Docker API (v1.0 or higher).
Input: id is the full container id
Output: a dict {'time_since_update': 3000, 'rx': 10, 'tx': 65}.
with:
time_since_update: number of seconds elapsed between the latest grab
rx: Number of byte received
tx: Number of byte transmited
"""
# Init the returned dict
network_new = {}
# Read the rx/tx stats (in bytes)
try:
netcounters = all_stats["networks"]
except KeyError as e:
# all_stats do not have NETWORK information
logger.debug("Cannot grab NET usage for container {} ({})".format(
container_id, e))
logger.debug(all_stats)
# No fallback available...
return network_new
# Previous network interface stats are stored in the network_old variable
if not hasattr(self, 'inetcounters_old'):
# First call, we init the network_old var
self.netcounters_old = {}
try:
self.netcounters_old[container_id] = netcounters
except (IOError, UnboundLocalError):
pass
if container_id not in self.netcounters_old:
try:
self.netcounters_old[container_id] = netcounters
except (IOError, UnboundLocalError):
pass
else:
# By storing time data we enable Rx/s and Tx/s calculations in the
# XML/RPC API, which would otherwise be overly difficult work
# for users of the API
try:
network_new['time_since_update'] = getTimeSinceLastUpdate(
'docker_net_{}'.format(container_id))
network_new['rx'] = netcounters["eth0"][
"rx_bytes"] - self.netcounters_old[container_id]["eth0"][
"rx_bytes"]
network_new['tx'] = netcounters["eth0"][
"tx_bytes"] - self.netcounters_old[container_id]["eth0"][
"tx_bytes"]
network_new['cumulative_rx'] = netcounters["eth0"]["rx_bytes"]
network_new['cumulative_tx'] = netcounters["eth0"]["tx_bytes"]
except KeyError as e:
# all_stats do not have INTERFACE information
logger.debug(
"Cannot grab network interface usage for container {} ({})"
.format(container_id, e))
logger.debug(all_stats)
# Save stats to compute next bitrate
self.netcounters_old[container_id] = netcounters
# Return the stats
return network_new
def update(self):
"""Update the processes stats."""
# Reset the stats
self.processlist = []
self.reset_processcount()
# Do not process if disable tag is set
if self.disable_tag:
return
# Time since last update (for disk_io rate computation)
time_since_update = getTimeSinceLastUpdate('process_disk')
# Grab standard stats
#####################
standard_attrs = ['cmdline', 'cpu_percent', 'cpu_times', 'memory_info',
'memory_percent', 'name', 'nice', 'pid', 'ppid',
'status', 'username', 'status', 'num_threads']
# io_counters availability: Linux, BSD, Windows, AIX
if not MACOS and not SUNOS and not WSL:
standard_attrs += ['io_counters']
# gids availability: Unix
if not WINDOWS:
standard_attrs += ['gids']
# and build the processes stats list (psutil>=5.3.0)
self.processlist = [p.info for p in psutil.process_iter(attrs=standard_attrs,
ad_value=None)
# OS-related processes filter
if not (BSD and p.info['name'] == 'idle') and
not (WINDOWS and p.info['name'] == 'System Idle Process') and
not (MACOS and p.info['name'] == 'kernel_task') and
# Kernel threads filter
not (self.no_kernel_threads and LINUX and p.info['gids'].real == 0) and
# User filter
not (self._filter.is_filtered(p.info))]
# Sort the processes list by the current sort_key
self.processlist = sort_stats(self.processlist,
sortedby=self.sort_key,
reverse=True)
# Update the processcount
self.update_processcount(self.processlist)
# Loop over processes and add metadata
first = True
for proc in self.processlist:
# Get extended stats, only for top processes (see issue #403).
if first and not self.disable_extended_tag:
# - cpu_affinity (Linux, Windows, FreeBSD)
# - ionice (Linux and Windows > Vista)
# - num_ctx_switches (not available on Illumos/Solaris)
# - num_fds (Unix-like)
# - num_handles (Windows)
# - memory_maps (only swap, Linux)
# https://www.cyberciti.biz/faq/linux-which-process-is-using-swap/
# - connections (TCP and UDP)
extended = {}
try:
top_process = psutil.Process(proc['pid'])
extended_stats = ['cpu_affinity', 'ionice',
'num_ctx_switches']
if LINUX:
# num_fds only avalable on Unix system (see issue #1351)
extended_stats += ['num_fds']
if WINDOWS:
extended_stats += ['num_handles']
# Get the extended stats
extended = top_process.as_dict(attrs=extended_stats,
ad_value=None)
if LINUX:
try:
extended['memory_swap'] = sum([v.swap for v in top_process.memory_maps()])
except psutil.NoSuchProcess:
pass
except (psutil.AccessDenied, NotImplementedError):
# NotImplementedError: /proc/${PID}/smaps file doesn't exist
# on kernel < 2.6.14 or CONFIG_MMU kernel configuration option
# is not enabled (see psutil #533/glances #413).
extended['memory_swap'] = None
try:
extended['tcp'] = len(top_process.connections(kind="tcp"))
extended['udp'] = len(top_process.connections(kind="udp"))
except (psutil.AccessDenied, psutil.NoSuchProcess):
# Manage issue1283 (psutil.AccessDenied)
extended['tcp'] = None
extended['udp'] = None
except (psutil.NoSuchProcess, ValueError, AttributeError) as e:
logger.error('Can not grab extended stats ({})'.format(e))
extended['extended_stats'] = False
else:
logger.debug('Grab extended stats for process {}'.format(proc['pid']))
extended['extended_stats'] = True
proc.update(extended)
first = False
# /End of extended stats
# Time since last update (for disk_io rate computation)
proc['time_since_update'] = time_since_update
# Process status (only keep the first char)
proc['status'] = str(proc['status'])[:1].upper()
# Process IO
# procstat['io_counters'] is a list:
# [read_bytes, write_bytes, read_bytes_old, write_bytes_old, io_tag]
# If io_tag = 0 > Access denied or first time (display "?")
# If io_tag = 1 > No access denied (display the IO rate)
if 'io_counters' in proc and proc['io_counters'] is not None:
io_new = [proc['io_counters'].read_bytes,
proc['io_counters'].write_bytes]
# For IO rate computation
# Append saved IO r/w bytes
try:
proc['io_counters'] = io_new + self.io_old[proc['pid']]
io_tag = 1
except KeyError:
proc['io_counters'] = io_new + [0, 0]
io_tag = 0
# then save the IO r/w bytes
self.io_old[proc['pid']] = io_new
else:
proc['io_counters'] = [0, 0] + [0, 0]
io_tag = 0
# Append the IO tag (for display)
proc['io_counters'] += [io_tag]
# Compute the maximum value for keys in self._max_values_list: CPU, MEM
# Usefull to highlight the processes with maximum values
for k in self._max_values_list:
values_list = [i[k] for i in self.processlist if i[k] is not None]
if values_list != []:
self.set_max_values(k, max(values_list))
def update(self):
"""Update the processes stats."""
# Reset the stats
self.processlist = []
self.processcount = {'total': 0, 'running': 0, 'sleeping': 0, 'thread': 0}
# Do not process if disable tag is set
if self.disable_tag:
return
# Get the time since last update
time_since_update = getTimeSinceLastUpdate('process_disk')
# Build an internal dict with only mandatories stats (sort keys)
processdict = {}
excluded_processes = set()
for proc in psutil.process_iter():
# Ignore kernel threads if needed
if self.no_kernel_threads and not WINDOWS and is_kernel_thread(proc):
continue
# If self.max_processes is None: Only retreive mandatory stats
# Else: retreive mandatory and standard stats
s = self.__get_process_stats(proc,
mandatory_stats=True,
standard_stats=self.max_processes is None)
# Continue to the next process if it has to be filtered
if s is None or (self.is_filtered(s['cmdline']) and self.is_filtered(s['name'])):
excluded_processes.add(proc)
continue
# Ok add the process to the list
processdict[proc] = s
# ignore the 'idle' process on Windows and *BSD
# ignore the 'kernel_task' process on OS X
# waiting for upstream patch from psutil
if (BSD and processdict[proc]['name'] == 'idle' or
WINDOWS and processdict[proc]['name'] == 'System Idle Process' or
OSX and processdict[proc]['name'] == 'kernel_task'):
continue
# Update processcount (global statistics)
try:
self.processcount[str(proc.status())] += 1
except KeyError:
# Key did not exist, create it
try:
self.processcount[str(proc.status())] = 1
except psutil.NoSuchProcess:
pass
except psutil.NoSuchProcess:
pass
else:
self.processcount['total'] += 1
# Update thread number (global statistics)
try:
self.processcount['thread'] += proc.num_threads()
except Exception:
pass
if self._enable_tree:
self.process_tree = ProcessTreeNode.build_tree(processdict,
self.sort_key,
self.sort_reverse,
self.no_kernel_threads,
excluded_processes)
for i, node in enumerate(self.process_tree):
# Only retreive stats for visible processes (max_processes)
if self.max_processes is not None and i >= self.max_processes:
break
# add standard stats
new_stats = self.__get_process_stats(node.process,
mandatory_stats=False,
standard_stats=True,
extended_stats=False)
if new_stats is not None:
node.stats.update(new_stats)
# Add a specific time_since_update stats for bitrate
node.stats['time_since_update'] = time_since_update
else:
# Process optimization
# Only retreive stats for visible processes (max_processes)
if self.max_processes is not None:
# Sort the internal dict and cut the top N (Return a list of tuple)
# tuple=key (proc), dict (returned by __get_process_stats)
try:
processiter = sorted(iteritems(processdict),
key=lambda x: x[1][self.sort_key],
reverse=self.sort_reverse)
except (KeyError, TypeError) as e:
logger.error("Cannot sort process list by {0}: {1}".format(self.sort_key, e))
logger.error('{0}'.format(listitems(processdict)[0]))
# Fallback to all process (issue #423)
processloop = iteritems(processdict)
first = False
else:
processloop = processiter[0:self.max_processes]
first = True
else:
# Get all processes stats
processloop = iteritems(processdict)
first = False
for i in processloop:
# Already existing mandatory stats
procstat = i[1]
if self.max_processes is not None:
# Update with standard stats
# and extended stats but only for TOP (first) process
s = self.__get_process_stats(i[0],
mandatory_stats=False,
standard_stats=True,
extended_stats=first)
if s is None:
continue
procstat.update(s)
# Add a specific time_since_update stats for bitrate
procstat['time_since_update'] = time_since_update
# Update process list
self.processlist.append(procstat)
# Next...
first = False
# Build the all processes list used by the monitored list
self.allprocesslist = itervalues(processdict)
# Clean internals caches if timeout is reached
if self.cache_timer.finished():
self.username_cache = {}
self.cmdline_cache = {}
# Restart the timer
self.cache_timer.reset()
def update(self):
"""Update the processes stats."""
# Reset the stats
self.processlist = []
self.reset_processcount()
# Do not process if disable tag is set
if self.disable_tag:
return
# Get the time since last update
time_since_update = getTimeSinceLastUpdate('process_disk')
# Reset the max dict
self.reset_max_values()
# Update the maximum process ID (pid) number
self.processcount['pid_max'] = self.pid_max
# Build an internal dict with only mandatories stats (sort keys)
processdict = {}
excluded_processes = set()
for proc in psutil.process_iter():
# Ignore kernel threads if needed
if self.no_kernel_threads and not WINDOWS and is_kernel_thread(
proc):
continue
# If self.max_processes is None: Only retrieve mandatory stats
# Else: retrieve mandatory and standard stats
s = self.__get_process_stats(
proc,
mandatory_stats=True,
standard_stats=self.max_processes is None)
# Check if s is note None (issue #879)
# ignore the 'idle' process on Windows and *BSD
# ignore the 'kernel_task' process on macOS
# waiting for upstream patch from psutil
if (s is None or BSD and s['name'] == 'idle'
or WINDOWS and s['name'] == 'System Idle Process'
or MACOS and s['name'] == 'kernel_task'):
continue
# Continue to the next process if it has to be filtered
if self._filter.is_filtered(s):
excluded_processes.add(proc)
continue
# Ok add the process to the list
processdict[proc] = s
# Update processcount (global statistics)
try:
self.processcount[str(proc.status())] += 1
except KeyError:
# Key did not exist, create it
try:
self.processcount[str(proc.status())] = 1
except psutil.NoSuchProcess:
pass
except psutil.NoSuchProcess:
pass
else:
self.processcount['total'] += 1
# Update thread number (global statistics)
try:
self.processcount['thread'] += proc.num_threads()
except Exception:
pass
if self._enable_tree:
self.process_tree = ProcessTreeNode.build_tree(
processdict, self.sort_key, self.sort_reverse,
self.no_kernel_threads, excluded_processes)
for i, node in enumerate(self.process_tree):
# Only retreive stats for visible processes (max_processes)
if self.max_processes is not None and i >= self.max_processes:
break
# add standard stats
new_stats = self.__get_process_stats(node.process,
mandatory_stats=False,
standard_stats=True,
extended_stats=False)
if new_stats is not None:
node.stats.update(new_stats)
# Add a specific time_since_update stats for bitrate
node.stats['time_since_update'] = time_since_update
else:
# Process optimization
# Only retreive stats for visible processes (max_processes)
if self.max_processes is not None:
# Sort the internal dict and cut the top N (Return a list of tuple)
# tuple=key (proc), dict (returned by __get_process_stats)
try:
processiter = sorted(iteritems(processdict),
key=lambda x: x[1][self.sort_key],
reverse=self.sort_reverse)
except (KeyError, TypeError) as e:
logger.error("Cannot sort process list by {}: {}".format(
self.sort_key, e))
logger.error('{}'.format(listitems(processdict)[0]))
# Fallback to all process (issue #423)
processloop = iteritems(processdict)
first = False
else:
processloop = processiter[0:self.max_processes]
first = True
else:
# Get all processes stats
processloop = iteritems(processdict)
first = False
for i in processloop:
# Already existing mandatory stats
procstat = i[1]
if self.max_processes is not None:
# Update with standard stats
# and extended stats but only for TOP (first) process
s = self.__get_process_stats(i[0],
mandatory_stats=False,
standard_stats=True,
extended_stats=first)
if s is None:
continue
procstat.update(s)
# Add a specific time_since_update stats for bitrate
procstat['time_since_update'] = time_since_update
# Update process list
self.processlist.append(procstat)
# Next...
first = False
# Build the all processes list used by the AMPs
self.allprocesslist = [p for p in itervalues(processdict)]
# Clean internals caches if timeout is reached
if self.cache_timer.finished():
self.username_cache = {}
self.cmdline_cache = {}
# Restart the timer
self.cache_timer.reset()
def update(self):
"""Update network stats using the input method.
Stats is a list of dict (one dict per interface)
"""
# Reset stats
self.reset()
if self.input_method == "local":
# Update stats using the standard system lib
# Grab network interface stat using the PsUtil net_io_counter method
try:
netiocounters = psutil.net_io_counters(pernic=True)
except UnicodeDecodeError:
return self.stats
# New in PsUtil 3.0: optionaly import the interface's status (issue #765)
netstatus = {}
try:
netstatus = psutil.net_if_stats()
except AttributeError:
pass
# Previous network interface stats are stored in the network_old variable
if not hasattr(self, "network_old"):
# First call, we init the network_old var
try:
self.network_old = netiocounters
except (IOError, UnboundLocalError):
pass
else:
# By storing time data we enable Rx/s and Tx/s calculations in the
# XML/RPC API, which would otherwise be overly difficult work
# for users of the API
time_since_update = getTimeSinceLastUpdate("net")
# Loop over interfaces
network_new = netiocounters
for net in network_new:
# Do not take hidden interface into account
if self.is_hide(net):
continue
try:
cumulative_rx = network_new[net].bytes_recv
cumulative_tx = network_new[net].bytes_sent
cumulative_cx = cumulative_rx + cumulative_tx
rx = cumulative_rx - self.network_old[net].bytes_recv
tx = cumulative_tx - self.network_old[net].bytes_sent
cx = rx + tx
netstat = {
"interface_name": net,
"time_since_update": time_since_update,
"cumulative_rx": cumulative_rx,
"rx": rx,
"cumulative_tx": cumulative_tx,
"tx": tx,
"cumulative_cx": cumulative_cx,
"cx": cx,
}
except KeyError:
continue
else:
# Optional stats (only compliant with PsUtil 3.0+)
try:
netstat["is_up"] = netstatus[net].isup
except (KeyError, AttributeError):
pass
# Set the key
netstat["key"] = self.get_key()
self.stats.append(netstat)
# Save stats to compute next bitrate
self.network_old = network_new
elif self.input_method == "snmp":
# Update stats using SNMP
# SNMP bulk command to get all network interface in one shot
try:
netiocounters = self.get_stats_snmp(snmp_oid=snmp_oid[self.short_system_name], bulk=True)
except KeyError:
netiocounters = self.get_stats_snmp(snmp_oid=snmp_oid["default"], bulk=True)
# Previous network interface stats are stored in the network_old variable
if not hasattr(self, "network_old"):
# First call, we init the network_old var
try:
self.network_old = netiocounters
except (IOError, UnboundLocalError):
pass
else:
# See description in the 'local' block
time_since_update = getTimeSinceLastUpdate("net")
# Loop over interfaces
network_new = netiocounters
for net in network_new:
# Do not take hidden interface into account
if self.is_hide(net):
continue
try:
# Windows: a tips is needed to convert HEX to TXT
# http://blogs.technet.com/b/networking/archive/2009/12/18/how-to-query-the-list-of-network-interfaces-using-snmp-via-the-ifdescr-counter.aspx
if self.short_system_name == "windows":
try:
interface_name = str(base64.b16decode(net[2:-2].upper()))
except TypeError:
interface_name = net
else:
interface_name = net
cumulative_rx = float(network_new[net]["cumulative_rx"])
cumulative_tx = float(network_new[net]["cumulative_tx"])
cumulative_cx = cumulative_rx + cumulative_tx
rx = cumulative_rx - float(self.network_old[net]["cumulative_rx"])
tx = cumulative_tx - float(self.network_old[net]["cumulative_tx"])
cx = rx + tx
netstat = {
"interface_name": interface_name,
"time_since_update": time_since_update,
"cumulative_rx": cumulative_rx,
"rx": rx,
"cumulative_tx": cumulative_tx,
"tx": tx,
"cumulative_cx": cumulative_cx,
"cx": cx,
}
except KeyError:
continue
else:
netstat["key"] = self.get_key()
self.stats.append(netstat)
# Save stats to compute next bitrate
self.network_old = network_new
# Update the history list
self.update_stats_history(self.get_key())
# Update the view
self.update_views()
return self.stats
def update(self):
"""Update the processes stats."""
# Reset the stats
self.processlist = []
self.reset_processcount()
# Do not process if disable tag is set
if self.disable_tag:
return
# Time since last update (for disk_io rate computation)
time_since_update = getTimeSinceLastUpdate('process_disk')
# Grab standard stats
#####################
standard_attrs = ['cmdline', 'cpu_percent', 'cpu_times', 'memory_info',
'memory_percent', 'name', 'nice', 'pid', 'ppid',
'status', 'username', 'status', 'num_threads']
# io_counters availability: Linux, BSD, Windows, AIX
if not MACOS and not SUNOS:
standard_attrs += ['io_counters']
# gids availability: Unix
if not WINDOWS:
standard_attrs += ['gids']
# and build the processes stats list (psutil>=5.3.0)
self.processlist = [p.info for p in psutil.process_iter(attrs=standard_attrs,
ad_value=None)
# OS-related processes filter
if not (BSD and p.info['name'] == 'idle') and
not (WINDOWS and p.info['name'] == 'System Idle Process') and
not (MACOS and p.info['name'] == 'kernel_task') and
# Kernel threads filter
not (self.no_kernel_threads and LINUX and p.info['gids'].real == 0) and
# User filter
not (self._filter.is_filtered(p.info))]
# Sort the processes list by the current sort_key
self.processlist = sort_stats(self.processlist,
sortedby=self.sort_key,
reverse=True)
# Update the processcount
self.update_processcount(self.processlist)
# Loop over processes and add metadata
first = True
for proc in self.processlist:
# Get extended stats, only for top processes (see issue #403).
if first and not self.disable_extended_tag:
# - cpu_affinity (Linux, Windows, FreeBSD)
# - ionice (Linux and Windows > Vista)
# - num_ctx_switches (not available on Illumos/Solaris)
# - num_fds (Unix-like)
# - num_handles (Windows)
# - memory_maps (only swap, Linux)
# https://www.cyberciti.biz/faq/linux-which-process-is-using-swap/
# - connections (TCP and UDP)
extended = {}
try:
top_process = psutil.Process(proc['pid'])
extended_stats = ['cpu_affinity', 'ionice',
'num_ctx_switches']
if LINUX:
# num_fds only avalable on Unix system (see issue #1351)
extended_stats += ['num_fds']
if WINDOWS:
extended_stats += ['num_handles']
# Get the extended stats
extended = top_process.as_dict(attrs=extended_stats,
ad_value=None)
if LINUX:
try:
extended['memory_swap'] = sum([v.swap for v in top_process.memory_maps()])
except psutil.NoSuchProcess:
pass
except (psutil.AccessDenied, NotImplementedError):
# NotImplementedError: /proc/${PID}/smaps file doesn't exist
# on kernel < 2.6.14 or CONFIG_MMU kernel configuration option
# is not enabled (see psutil #533/glances #413).
extended['memory_swap'] = None
try:
extended['tcp'] = len(top_process.connections(kind="tcp"))
extended['udp'] = len(top_process.connections(kind="udp"))
except (psutil.AccessDenied, psutil.NoSuchProcess):
# Manage issue1283 (psutil.AccessDenied)
extended['tcp'] = None
extended['udp'] = None
except (psutil.NoSuchProcess, ValueError, AttributeError) as e:
logger.error('Can not grab extended stats ({})'.format(e))
extended['extended_stats'] = False
else:
logger.debug('Grab extended stats for process {}'.format(proc['pid']))
extended['extended_stats'] = True
proc.update(extended)
first = False
# /End of extended stats
# Time since last update (for disk_io rate computation)
proc['time_since_update'] = time_since_update
# Process status (only keep the first char)
proc['status'] = str(proc['status'])[:1].upper()
# Process IO
# procstat['io_counters'] is a list:
# [read_bytes, write_bytes, read_bytes_old, write_bytes_old, io_tag]
# If io_tag = 0 > Access denied or first time (display "?")
# If io_tag = 1 > No access denied (display the IO rate)
if 'io_counters' in proc and proc['io_counters'] is not None:
io_new = [proc['io_counters'].read_bytes,
proc['io_counters'].write_bytes]
# For IO rate computation
# Append saved IO r/w bytes
try:
proc['io_counters'] = io_new + self.io_old[proc['pid']]
io_tag = 1
except KeyError:
proc['io_counters'] = io_new + [0, 0]
io_tag = 0
# then save the IO r/w bytes
self.io_old[proc['pid']] = io_new
else:
proc['io_counters'] = [0, 0] + [0, 0]
io_tag = 0
# Append the IO tag (for display)
proc['io_counters'] += [io_tag]
# Compute the maximum value for keys in self._max_values_list: CPU, MEM
# Usefull to highlight the processes with maximum values
for k in self._max_values_list:
values_list = [i[k] for i in self.processlist if i[k] is not None]
if values_list != []:
self.set_max_values(k, max(values_list))
def get_docker_io(self, container_id, all_stats):
"""Return the container IO usage using the Docker API (v1.0 or higher).
Input: id is the full container id
Output: a dict {'time_since_update': 3000, 'ior': 10, 'iow': 65}.
with:
time_since_update: number of seconds elapsed between the latest grab
ior: Number of byte readed
iow: Number of byte written
"""
# Init the returned dict
io_new = {}
# Read the ior/iow stats (in bytes)
try:
iocounters = all_stats["blkio_stats"]
except KeyError as e:
# all_stats do not have io information
logger.debug("Can not grab block IO usage for container {0} ({1})".format(container_id, e))
logger.debug(all_stats)
# No fallback available...
return io_new
# Previous io interface stats are stored in the io_old variable
if not hasattr(self, 'iocounters_old'):
# First call, we init the io_old var
self.iocounters_old = {}
try:
self.iocounters_old[container_id] = iocounters
except (IOError, UnboundLocalError):
pass
if container_id not in self.iocounters_old:
try:
self.iocounters_old[container_id] = iocounters
except (IOError, UnboundLocalError):
pass
else:
# By storing time data we enable IoR/s and IoW/s calculations in the
# XML/RPC API, which would otherwise be overly difficult work
# for users of the API
try:
# Read IOR and IOW value in the structure list of dict
ior = [i for i in iocounters['io_service_bytes_recursive'] if i['op'] == 'Read'][0]['value']
iow = [i for i in iocounters['io_service_bytes_recursive'] if i['op'] == 'Write'][0]['value']
ior_old = [i for i in self.iocounters_old[container_id]['io_service_bytes_recursive'] if i['op'] == 'Read'][0]['value']
iow_old = [i for i in self.iocounters_old[container_id]['io_service_bytes_recursive'] if i['op'] == 'Write'][0]['value']
except (IndexError, KeyError) as e:
# all_stats do not have io information
logger.debug("Cannot grab block IO usage for container {} ({})".format(container_id, e))
else:
io_new['time_since_update'] = getTimeSinceLastUpdate('docker_io_{}'.format(container_id))
io_new['ior'] = ior - ior_old
io_new['iow'] = iow - iow_old
io_new['cumulative_ior'] = ior
io_new['cumulative_iow'] = iow
# Save stats to compute next bitrate
self.iocounters_old[container_id] = iocounters
# Return the stats
return io_new
def update(self):
"""Update disk I/O stats using the input method."""
# Reset stats
self.reset()
if self.input_method == 'local':
# Update stats using the standard system lib
# Grab the stat using the PsUtil disk_io_counters method
# read_count: number of reads
# write_count: number of writes
# read_bytes: number of bytes read
# write_bytes: number of bytes written
# read_time: time spent reading from disk (in milliseconds)
# write_time: time spent writing to disk (in milliseconds)
try:
diskiocounters = psutil.disk_io_counters(perdisk=True)
except Exception:
return self.stats
# Previous disk IO stats are stored in the diskio_old variable
if not hasattr(self, 'diskio_old'):
# First call, we init the network_old var
try:
self.diskio_old = diskiocounters
except (IOError, UnboundLocalError):
pass
else:
# By storing time data we enable Rx/s and Tx/s calculations in the
# XML/RPC API, which would otherwise be overly difficult work
# for users of the API
time_since_update = getTimeSinceLastUpdate('disk')
diskio_new = diskiocounters
for disk in diskio_new:
# By default, RamFS is not displayed (issue #714)
if self.args is not None and not self.args.diskio_show_ramfs and disk.startswith('ram'):
continue
# Do not take hide disk into account
if self.is_hide(disk):
continue
# Compute count and bit rate
try:
read_count = (diskio_new[disk].read_count -
self.diskio_old[disk].read_count)
write_count = (diskio_new[disk].write_count -
self.diskio_old[disk].write_count)
read_bytes = (diskio_new[disk].read_bytes -
self.diskio_old[disk].read_bytes)
write_bytes = (diskio_new[disk].write_bytes -
self.diskio_old[disk].write_bytes)
diskstat = {
'time_since_update': time_since_update,
'disk_name': disk,
'read_count': read_count,
'write_count': write_count,
'read_bytes': read_bytes,
'write_bytes': write_bytes}
except KeyError:
continue
else:
diskstat['key'] = self.get_key()
self.stats.append(diskstat)
# Save stats to compute next bitrate
self.diskio_old = diskio_new
elif self.input_method == 'snmp':
# Update stats using SNMP
# No standard way for the moment...
pass
# Update the history list
self.update_stats_history('disk_name')
# Update the view
self.update_views()
return self.stats
def update(self):
"""Update network stats using the input method.
Stats is a list of dict (one dict per interface)
"""
# Reset stats
self.reset()
if self.input_method == 'local':
# Update stats using the standard system lib
# Grab network interface stat using the PsUtil net_io_counter method
try:
netiocounters = psutil.net_io_counters(pernic=True)
except UnicodeDecodeError:
return self.stats
# New in PsUtil 3.0: optionaly import the interface's status (issue #765)
netstatus = {}
try:
netstatus = psutil.net_if_stats()
except AttributeError:
pass
# Previous network interface stats are stored in the network_old variable
if not hasattr(self, 'network_old'):
# First call, we init the network_old var
try:
self.network_old = netiocounters
except (IOError, UnboundLocalError):
pass
else:
# By storing time data we enable Rx/s and Tx/s calculations in the
# XML/RPC API, which would otherwise be overly difficult work
# for users of the API
time_since_update = getTimeSinceLastUpdate('net')
# Loop over interfaces
network_new = netiocounters
for net in network_new:
# Do not take hidden interface into account
if self.is_hide(net):
continue
try:
cumulative_rx = network_new[net].bytes_recv
cumulative_tx = network_new[net].bytes_sent
cumulative_cx = cumulative_rx + cumulative_tx
rx = cumulative_rx - self.network_old[net].bytes_recv
tx = cumulative_tx - self.network_old[net].bytes_sent
cx = rx + tx
netstat = {
'interface_name': net,
'time_since_update': time_since_update,
'cumulative_rx': cumulative_rx,
'rx': rx,
'cumulative_tx': cumulative_tx,
'tx': tx,
'cumulative_cx': cumulative_cx,
'cx': cx
}
except KeyError:
continue
else:
# Optional stats (only compliant with PsUtil 3.0+)
try:
netstat['is_up'] = netstatus[net].isup
except (KeyError, AttributeError):
pass
# Set the key
netstat['key'] = self.get_key()
self.stats.append(netstat)
# Save stats to compute next bitrate
self.network_old = network_new
elif self.input_method == 'snmp':
# Update stats using SNMP
# SNMP bulk command to get all network interface in one shot
try:
netiocounters = self.get_stats_snmp(
snmp_oid=snmp_oid[self.short_system_name], bulk=True)
except KeyError:
netiocounters = self.get_stats_snmp(
snmp_oid=snmp_oid['default'], bulk=True)
# Previous network interface stats are stored in the network_old variable
if not hasattr(self, 'network_old'):
# First call, we init the network_old var
try:
self.network_old = netiocounters
except (IOError, UnboundLocalError):
pass
else:
# See description in the 'local' block
time_since_update = getTimeSinceLastUpdate('net')
# Loop over interfaces
network_new = netiocounters
for net in network_new:
# Do not take hidden interface into account
if self.is_hide(net):
continue
try:
# Windows: a tips is needed to convert HEX to TXT
# http://blogs.technet.com/b/networking/archive/2009/12/18/how-to-query-the-list-of-network-interfaces-using-snmp-via-the-ifdescr-counter.aspx
if self.short_system_name == 'windows':
try:
interface_name = str(
base64.b16decode(net[2:-2].upper()))
except TypeError:
interface_name = net
else:
interface_name = net
cumulative_rx = float(
network_new[net]['cumulative_rx'])
cumulative_tx = float(
network_new[net]['cumulative_tx'])
cumulative_cx = cumulative_rx + cumulative_tx
rx = cumulative_rx - float(
self.network_old[net]['cumulative_rx'])
tx = cumulative_tx - float(
self.network_old[net]['cumulative_tx'])
cx = rx + tx
netstat = {
'interface_name': interface_name,
'time_since_update': time_since_update,
'cumulative_rx': cumulative_rx,
'rx': rx,
'cumulative_tx': cumulative_tx,
'tx': tx,
'cumulative_cx': cumulative_cx,
'cx': cx
}
except KeyError:
continue
else:
netstat['key'] = self.get_key()
self.stats.append(netstat)
# Save stats to compute next bitrate
self.network_old = network_new
# Update the history list
self.update_stats_history(self.get_key())
# Update the view
self.update_views()
return self.stats
