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Diffstat (limited to 'glances/plugins/connections/model.py')
| -rw-r--r-- | glances/plugins/connections/model.py | 176 |
1 files changed, 0 insertions, 176 deletions
diff --git a/glances/plugins/connections/model.py b/glances/plugins/connections/model.py deleted file mode 100644 index b3858d1e..00000000 --- a/glances/plugins/connections/model.py +++ /dev/null @@ -1,176 +0,0 @@ -# -*- coding: utf-8 -*- -# -# This file is part of Glances. -# -# SPDX-FileCopyrightText: 2022 Nicolas Hennion <nicolas@nicolargo.com> -# -# SPDX-License-Identifier: LGPL-3.0-only -# - -"""Connections plugin.""" -from __future__ import unicode_literals - -from glances.logger import logger -from glances.plugins.plugin.model import GlancesPluginModel -from glances.globals import nativestr - -import psutil - -# Define the history items list -# items_history_list = [{'name': 'rx', -# 'description': 'Download rate per second', -# 'y_unit': 'bit/s'}, -# {'name': 'tx', -# 'description': 'Upload rate per second', -# 'y_unit': 'bit/s'}] - - -class PluginModel(GlancesPluginModel): - """Glances connections plugin. - - stats is a dict - """ - - status_list = [psutil.CONN_LISTEN, psutil.CONN_ESTABLISHED] - initiated_states = [psutil.CONN_SYN_SENT, psutil.CONN_SYN_RECV] - terminated_states = [ - psutil.CONN_FIN_WAIT1, - psutil.CONN_FIN_WAIT2, - psutil.CONN_TIME_WAIT, - psutil.CONN_CLOSE, - psutil.CONN_CLOSE_WAIT, - psutil.CONN_LAST_ACK, - ] - conntrack = { - 'nf_conntrack_count': '/proc/sys/net/netfilter/nf_conntrack_count', - 'nf_conntrack_max': '/proc/sys/net/netfilter/nf_conntrack_max', - } - - def __init__(self, args=None, config=None): - """Init the plugin.""" - super(PluginModel, self).__init__( - args=args, - config=config, - # items_history_list=items_history_list, - stats_init_value={'net_connections_enabled': True, 'nf_conntrack_enabled': True}, - ) - - # We want to display the stat in the curse interface - self.display_curse = True - - @GlancesPluginModel._check_decorator - @GlancesPluginModel._log_result_decorator - def update(self): - """Update connections stats using the input method. - - Stats is a dict - """ - # Init new stats - stats = self.get_init_value() - - if self.input_method == 'local': - # Update stats using the PSUtils lib - - # Grab network interface stat using the psutil net_connections method - if stats['net_connections_enabled']: - try: - net_connections = psutil.net_connections(kind="tcp") - except Exception as e: - logger.warning('Can not get network connections stats ({})'.format(e)) - logger.info('Disable connections stats') - stats['net_connections_enabled'] = False - self.stats = stats - return self.stats - - for s in self.status_list: - stats[s] = len([c for c in net_connections if c.status == s]) - initiated = 0 - for s in self.initiated_states: - stats[s] = len([c for c in net_connections if c.status == s]) - initiated += stats[s] - stats['initiated'] = initiated - terminated = 0 - for s in self.initiated_states: - stats[s] = len([c for c in net_connections if c.status == s]) - terminated += stats[s] - stats['terminated'] = terminated - - if stats['nf_conntrack_enabled']: - # Grab connections track directly from the /proc file - for i in self.conntrack: - try: - with open(self.conntrack[i], 'r') as f: - stats[i] = float(f.readline().rstrip("\n")) - except (IOError, FileNotFoundError) as e: - logger.warning('Can not get network connections track ({})'.format(e)) - logger.info('Disable connections track') - stats['nf_conntrack_enabled'] = False - self.stats = stats - return self.stats - if 'nf_conntrack_max' in stats and 'nf_conntrack_count' in stats: - stats['nf_conntrack_percent'] = stats['nf_conntrack_count'] * 100 / stats['nf_conntrack_max'] - else: - stats['nf_conntrack_enabled'] = False - self.stats = stats - return self.stats - - elif self.input_method == 'snmp': - # Update stats using SNMP - pass - - # Update the stats - self.stats = stats - return self.stats - - def update_views(self): - """Update stats views.""" - # Call the father's method - super(PluginModel, self).update_views() - - # Add specific information - try: - # Alert and log - if self.stats['nf_conntrack_enabled']: - self.views['nf_conntrack_percent']['decoration'] = self.get_alert(header='nf_conntrack_percent') - except KeyError: - # try/except mandatory for Windows compatibility (no conntrack stats) - pass - - def msg_curse(self, args=None, max_width=None): - """Return the dict to display in the curse interface.""" - # Init the return message - ret = [] - - # Only process if stats exist and display plugin enable... - if not self.stats or self.is_disabled(): - return ret - - # Header - if self.stats['net_connections_enabled'] or self.stats['nf_conntrack_enabled']: - msg = '{}'.format('TCP CONNECTIONS') - ret.append(self.curse_add_line(msg, "TITLE")) - # Connections status - if self.stats['net_connections_enabled']: - for s in [psutil.CONN_LISTEN, 'initiated', psutil.CONN_ESTABLISHED, 'terminated']: - ret.append(self.curse_new_line()) - msg = '{:{width}}'.format(nativestr(s).capitalize(), width=len(s)) - ret.append(self.curse_add_line(msg)) - msg = '{:>{width}}'.format(self.stats[s], width=max_width - len(s) + 2) - ret.append(self.curse_add_line(msg)) - # Connections track - if ( - self.stats['nf_conntrack_enabled'] - and 'nf_conntrack_count' in self.stats - and 'nf_conntrack_max' in self.stats - ): - s = 'Tracked' - ret.append(self.curse_new_line()) - msg = '{:{width}}'.format(nativestr(s).capitalize(), width=len(s)) - ret.append(self.curse_add_line(msg)) - msg = '{:>{width}}'.format( - '{:0.0f}/{:0.0f}'.format(self.stats['nf_conntrack_count'], self.stats['nf_conntrack_max']), - width=max_width - len(s) + 2, - ) - ret.append(self.curse_add_line(msg, self.get_views(key='nf_conntrack_percent', option='decoration'))) - - return ret |