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# -*- coding: utf-8 -*-
#
# This file is part of Glances.
#
# Copyright (C) 2015 Nicolargo <nicolas@nicolargo.com>
#
# Glances is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Glances is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""Process count plugin."""
# Import Glances libs
from glances.core.glances_processes import glances_processes
from glances.plugins.glances_plugin import GlancesPlugin
# Note: history items list is not compliant with process count
# if a filter is applyed, the graph will show the filtered processes count
class Plugin(GlancesPlugin):
"""Glances process count plugin.
stats is a list
"""
def __init__(self, args=None):
"""Init the plugin."""
GlancesPlugin.__init__(self, args=args)
# We want to display the stat in the curse interface
self.display_curse = True
# Note: 'glances_processes' is already init in the glances_processes.py script
def reset(self):
"""Reset/init the stats."""
self.stats = {}
def update(self):
"""Update processes stats using the input method."""
# Reset stats
self.reset()
if self.input_method == 'local':
# Update stats using the standard system lib
# Here, update is call for processcount AND processlist
glances_processes.update()
# Return the processes count
self.stats = glances_processes.getcount()
elif self.input_method == 'snmp':
# Update stats using SNMP
# !!! TODO
pass
return self.stats
def msg_curse(self, args=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 args.disable_process:
msg = "PROCESSES DISABLED (press 'z' to display)"
ret.append(self.curse_add_line(msg))
return ret
if not self.stats:
return ret
# Display the filter (if it exists)
if glances_processes.process_filter is not None:
msg = 'Processes filter:'
ret.append(self.curse_add_line(msg, "TITLE"))
msg = ' {0} '.format(glances_processes.process_filter)
ret.append(self.curse_add_line(msg, "FILTER"))
msg = '(press ENTER to edit)'
ret.append(self.curse_add_line(msg))
ret.append(self.curse_new_line())
# Build the string message
# Header
msg = 'TASKS'
ret.append(self.curse_add_line(msg, "TITLE"))
# Compute processes
other = self.stats['total']
msg = '{0:>4}'.format(self.stats['total'])
ret.append(self.curse_add_line(msg))
if 'thread' in self.stats:
msg = ' ({0} thr),'.format(self.stats['thread'])
ret.append(self.curse_add_line(msg))
if 'running' in self.stats:
other -= self.stats['running']
msg = ' {0} run,'.format(self.stats['running'])
ret.append(self.curse_add_line(msg))
if 'sleeping' in self.stats:
other -= self.stats['sleeping']
msg = ' {0} slp,'.format(self.stats['sleeping'])
ret.append(self.curse_add_line(msg))
msg = ' {0} oth '.format(other)
ret.append(self.curse_add_line(msg))
# Display sort information
if glances_processes.auto_sort:
msg = 'sorted automatically'
ret.append(self.curse_add_line(msg))
msg = ' by {0}'.format(glances_processes.sort_key)
ret.append(self.curse_add_line(msg))
else:
msg = 'sorted by {0}'.format(glances_processes.sort_key)
ret.append(self.curse_add_line(msg))
ret[-1]["msg"] += ", %s view" % ("tree" if glances_processes.is_tree_enabled() else "flat")
# Return the message with decoration
return ret
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