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# -*- coding: utf-8 -*- |
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# |
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# This file is part of Glances. |
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# |
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# Copyright (C) 2016 Nicolargo <[email protected]> |
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# |
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# Glances is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU Lesser General Public License as published by |
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# the Free Software Foundation, either version 3 of the License, or |
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# (at your option) any later version. |
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# |
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# Glances is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU Lesser General Public License for more details. |
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# |
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# You should have received a copy of the GNU Lesser General Public License |
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# along with this program. If not, see <http://www.gnu.org/licenses/>. |
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"""Curses interface class.""" |
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import re |
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import sys |
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from glances.compat import u |
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from glances.globals import OSX, WINDOWS |
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from glances.logger import logger |
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from glances.logs import glances_logs |
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from glances.processes import glances_processes |
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from glances.timer import Timer |
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# Import curses lib for "normal" operating system and consolelog for Windows |
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if not WINDOWS: |
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try: |
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import curses |
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import curses.panel |
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from curses.textpad import Textbox |
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except ImportError: |
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logger.critical( |
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"Curses module not found. Glances cannot start in standalone mode.") |
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sys.exit(1) |
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else: |
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from glances.outputs.glances_colorconsole import WCurseLight |
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curses = WCurseLight() |
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class _GlancesCurses(object): |
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"""This class manages the curses display (and key pressed). |
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Note: It is a private class, use GlancesCursesClient or GlancesCursesBrowser. |
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""" |
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def __init__(self, args=None): |
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# Init args |
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self.args = args |
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# Init windows positions |
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self.term_w = 80 |
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self.term_h = 24 |
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# Space between stats |
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self.space_between_column = 3 |
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self.space_between_line = 2 |
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# Init the curses screen |
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self.screen = curses.initscr() |
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if not self.screen: |
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logger.critical("Cannot init the curses library.\n") |
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sys.exit(1) |
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# Init cursor |
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self._init_cursor() |
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# Init the colors |
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self._init_colors() |
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# Init main window |
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self.term_window = self.screen.subwin(0, 0) |
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# Init refresh time |
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self.__refresh_time = args.time |
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# Init edit filter tag |
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self.edit_filter = False |
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# Init the process min/max reset |
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self.args.reset_minmax_tag = False |
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# Catch key pressed with non blocking mode |
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self.no_flash_cursor() |
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self.term_window.nodelay(1) |
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self.pressedkey = -1 |
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# History tag |
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self._init_history() |
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def _init_history(self): |
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'''Init the history option''' |
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self.reset_history_tag = False |
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self.history_tag = False |
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if self.args.enable_history: |
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logger.info('Stats history enabled with output path %s' % |
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self.args.path_history) |
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from glances.exports.glances_history import GlancesHistory |
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self.glances_history = GlancesHistory(self.args.path_history) |
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if not self.glances_history.graph_enabled(): |
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self.args.enable_history = False |
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logger.error( |
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'Stats history disabled because MatPlotLib is not installed') |
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def _init_cursor(self): |
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'''Init cursors''' |
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if hasattr(curses, 'noecho'): |
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curses.noecho() |
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if hasattr(curses, 'cbreak'): |
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curses.cbreak() |
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self.set_cursor(0) |
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def _init_colors(self): |
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'''Init the Curses color layout''' |
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# Set curses options |
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if hasattr(curses, 'start_color'): |
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curses.start_color() |
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if hasattr(curses, 'use_default_colors'): |
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curses.use_default_colors() |
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# Init colors |
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if self.args.disable_bold: |
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A_BOLD = 0 |
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self.args.disable_bg = True |
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else: |
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A_BOLD = curses.A_BOLD |
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self.title_color = A_BOLD |
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self.title_underline_color = A_BOLD | curses.A_UNDERLINE |
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self.help_color = A_BOLD |
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if curses.has_colors(): |
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# The screen is compatible with a colored design |
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if self.args.theme_white: |
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# White theme: black ==> white |
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curses.init_pair(1, curses.COLOR_BLACK, -1) |
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else: |
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curses.init_pair(1, curses.COLOR_WHITE, -1) |
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if self.args.disable_bg: |
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curses.init_pair(2, curses.COLOR_RED, -1) |
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curses.init_pair(3, curses.COLOR_GREEN, -1) |
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curses.init_pair(4, curses.COLOR_BLUE, -1) |
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curses.init_pair(5, curses.COLOR_MAGENTA, -1) |
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else: |
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curses.init_pair(2, curses.COLOR_WHITE, curses.COLOR_RED) |
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curses.init_pair(3, curses.COLOR_WHITE, curses.COLOR_GREEN) |
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curses.init_pair(4, curses.COLOR_WHITE, curses.COLOR_BLUE) |
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curses.init_pair(5, curses.COLOR_WHITE, curses.COLOR_MAGENTA) |
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curses.init_pair(6, curses.COLOR_RED, -1) |
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curses.init_pair(7, curses.COLOR_GREEN, -1) |
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curses.init_pair(8, curses.COLOR_BLUE, -1) |
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# Colors text styles |
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if curses.COLOR_PAIRS > 8: |
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try: |
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curses.init_pair(9, curses.COLOR_MAGENTA, -1) |
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except Exception: |
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if self.args.theme_white: |
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curses.init_pair(9, curses.COLOR_BLACK, -1) |
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else: |
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curses.init_pair(9, curses.COLOR_WHITE, -1) |
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try: |
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curses.init_pair(10, curses.COLOR_CYAN, -1) |
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except Exception: |
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if self.args.theme_white: |
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curses.init_pair(10, curses.COLOR_BLACK, -1) |
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else: |
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curses.init_pair(10, curses.COLOR_WHITE, -1) |
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self.ifWARNING_color2 = curses.color_pair(9) | A_BOLD |
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self.ifCRITICAL_color2 = curses.color_pair(6) | A_BOLD |
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self.filter_color = curses.color_pair(10) | A_BOLD |
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self.no_color = curses.color_pair(1) |
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self.default_color = curses.color_pair(3) | A_BOLD |
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self.nice_color = curses.color_pair(9) | A_BOLD |
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self.cpu_time_color = curses.color_pair(9) | A_BOLD |
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self.ifCAREFUL_color = curses.color_pair(4) | A_BOLD |
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self.ifWARNING_color = curses.color_pair(5) | A_BOLD |
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self.ifCRITICAL_color = curses.color_pair(2) | A_BOLD |
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self.default_color2 = curses.color_pair(7) | A_BOLD |
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self.ifCAREFUL_color2 = curses.color_pair(8) | A_BOLD |
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else: |
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# The screen is NOT compatible with a colored design |
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# switch to B&W text styles |
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self.no_color = curses.A_NORMAL |
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self.default_color = curses.A_NORMAL |
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self.nice_color = A_BOLD |
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self.cpu_time_color = A_BOLD |
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self.ifCAREFUL_color = curses.A_UNDERLINE |
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self.ifWARNING_color = A_BOLD |
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self.ifCRITICAL_color = curses.A_REVERSE |
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self.default_color2 = curses.A_NORMAL |
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self.ifCAREFUL_color2 = curses.A_UNDERLINE |
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self.ifWARNING_color2 = A_BOLD |
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self.ifCRITICAL_color2 = curses.A_REVERSE |
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self.filter_color = A_BOLD |
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# Define the colors list (hash table) for stats |
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self.colors_list = { |
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'DEFAULT': self.no_color, |
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'UNDERLINE': curses.A_UNDERLINE, |
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'BOLD': A_BOLD, |
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'SORT': A_BOLD, |
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'OK': self.default_color2, |
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'FILTER': self.filter_color, |
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'TITLE': self.title_color, |
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'PROCESS': self.default_color2, |
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'STATUS': self.default_color2, |
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'NICE': self.nice_color, |
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'CPU_TIME': self.cpu_time_color, |
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'CAREFUL': self.ifCAREFUL_color2, |
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'WARNING': self.ifWARNING_color2, |
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'CRITICAL': self.ifCRITICAL_color2, |
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'OK_LOG': self.default_color, |
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'CAREFUL_LOG': self.ifCAREFUL_color, |
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'WARNING_LOG': self.ifWARNING_color, |
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'CRITICAL_LOG': self.ifCRITICAL_color, |
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'PASSWORD': curses.A_PROTECT |
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} |
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def flash_cursor(self): |
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self.term_window.keypad(1) |
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def no_flash_cursor(self): |
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self.term_window.keypad(0) |
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def set_cursor(self, value): |
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"""Configure the curse cursor apparence. |
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0: invisible |
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1: visible |
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2: very visible |
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""" |
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if hasattr(curses, 'curs_set'): |
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try: |
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curses.curs_set(value) |
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except Exception: |
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pass |
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def get_key(self, window): |
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# Catch ESC key AND numlock key (issue #163) |
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keycode = [0, 0] |
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keycode[0] = window.getch() |
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keycode[1] = window.getch() |
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if keycode != [-1, -1]: |
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logger.debug("Keypressed (code: %s)" % keycode) |
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if keycode[0] == 27 and keycode[1] != -1: |
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# Do not escape on specials keys |
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return -1 |
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else: |
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return keycode[0] |
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def __catch_key(self, return_to_browser=False): |
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# Catch the pressed key |
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self.pressedkey = self.get_key(self.term_window) |
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# Actions... |
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if self.pressedkey == ord('\x1b') or self.pressedkey == ord('q'): |
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# 'ESC'|'q' > Quit |
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if return_to_browser: |
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logger.info("Stop Glances client and return to the browser") |
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else: |
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self.end() |
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logger.info("Stop Glances") |
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sys.exit(0) |
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elif self.pressedkey == 10: |
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# 'ENTER' > Edit the process filter |
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self.edit_filter = not self.edit_filter |
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elif self.pressedkey == ord('0'): |
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# '0' > Switch between IRIX and Solaris mode |
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self.args.disable_irix = not self.args.disable_irix |
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elif self.pressedkey == ord('1'): |
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# '1' > Switch between CPU and PerCPU information |
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self.args.percpu = not self.args.percpu |
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elif self.pressedkey == ord('2'): |
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# '2' > Enable/disable left sidebar |
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self.args.disable_left_sidebar = not self.args.disable_left_sidebar |
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elif self.pressedkey == ord('3'): |
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# '3' > Enable/disable quicklook |
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self.args.disable_quicklook = not self.args.disable_quicklook |
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elif self.pressedkey == ord('4'): |
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# '4' > Enable/disable all but quick look and load |
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self.args.full_quicklook = not self.args.full_quicklook |
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if self.args.full_quicklook: |
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self.args.disable_quicklook = False |
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self.args.disable_cpu = True |
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self.args.disable_mem = True |
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self.args.disable_swap = True |
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else: |
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self.args.disable_quicklook = False |
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self.args.disable_cpu = False |
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self.args.disable_mem = False |
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self.args.disable_swap = False |
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elif self.pressedkey == ord('5'): |
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# '5' > Enable/disable top menu |
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logger.info(self.args.disable_top) |
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self.args.disable_top = not self.args.disable_top |
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if self.args.disable_top: |
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self.args.disable_quicklook = True |
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self.args.disable_cpu = True |
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self.args.disable_mem = True |
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self.args.disable_swap = True |
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self.args.disable_load = True |
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else: |
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self.args.disable_quicklook = False |
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self.args.disable_cpu = False |
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self.args.disable_mem = False |
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self.args.disable_swap = False |
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self.args.disable_load = False |
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elif self.pressedkey == ord('/'): |
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# '/' > Switch between short/long name for processes |
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self.args.process_short_name = not self.args.process_short_name |
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elif self.pressedkey == ord('a'): |
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# 'a' > Sort processes automatically and reset to 'cpu_percent' |
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glances_processes.auto_sort = True |
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glances_processes.sort_key = 'cpu_percent' |
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elif self.pressedkey == ord('b'): |
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# 'b' > Switch between bit/s and Byte/s for network IO |
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self.args.byte = not self.args.byte |
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elif self.pressedkey == ord('B'): |
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# 'B' > Switch between bit/s and IO/s for Disk IO |
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self.args.diskio_iops = not self.args.diskio_iops |
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elif self.pressedkey == ord('c'): |
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# 'c' > Sort processes by CPU usage |
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|
|
glances_processes.auto_sort = False |
340
|
|
|
glances_processes.sort_key = 'cpu_percent' |
341
|
|
|
elif self.pressedkey == ord('d'): |
342
|
|
|
# 'd' > Show/hide disk I/O stats |
343
|
|
|
self.args.disable_diskio = not self.args.disable_diskio |
344
|
|
|
elif self.pressedkey == ord('D'): |
345
|
|
|
# 'D' > Show/hide Docker stats |
346
|
|
|
self.args.disable_docker = not self.args.disable_docker |
347
|
|
|
elif self.pressedkey == ord('e'): |
348
|
|
|
# 'e' > Enable/Disable extended stats for top process |
349
|
|
|
self.args.enable_process_extended = not self.args.enable_process_extended |
350
|
|
|
if not self.args.enable_process_extended: |
351
|
|
|
glances_processes.disable_extended() |
352
|
|
|
else: |
353
|
|
|
glances_processes.enable_extended() |
354
|
|
|
elif self.pressedkey == ord('E'): |
355
|
|
|
# 'E' > Erase the process filter |
356
|
|
|
logger.info("Erase process filter") |
357
|
|
|
glances_processes.process_filter = None |
358
|
|
|
elif self.pressedkey == ord('F'): |
359
|
|
|
# 'F' > Switch between FS available and free space |
360
|
|
|
self.args.fs_free_space = not self.args.fs_free_space |
361
|
|
|
elif self.pressedkey == ord('f'): |
362
|
|
|
# 'f' > Show/hide fs / folder stats |
363
|
|
|
self.args.disable_fs = not self.args.disable_fs |
364
|
|
|
self.args.disable_folder = not self.args.disable_folder |
365
|
|
|
elif self.pressedkey == ord('g'): |
366
|
|
|
# 'g' > History |
367
|
|
|
self.history_tag = not self.history_tag |
368
|
|
|
elif self.pressedkey == ord('h'): |
369
|
|
|
# 'h' > Show/hide help |
370
|
|
|
self.args.help_tag = not self.args.help_tag |
371
|
|
|
elif self.pressedkey == ord('i'): |
372
|
|
|
# 'i' > Sort processes by IO rate (not available on OS X) |
373
|
|
|
glances_processes.auto_sort = False |
374
|
|
|
glances_processes.sort_key = 'io_counters' |
375
|
|
|
elif self.pressedkey == ord('I'): |
376
|
|
|
# 'I' > Show/hide IP module |
377
|
|
|
self.args.disable_ip = not self.args.disable_ip |
378
|
|
|
elif self.pressedkey == ord('l'): |
379
|
|
|
# 'l' > Show/hide log messages |
380
|
|
|
self.args.disable_log = not self.args.disable_log |
381
|
|
|
elif self.pressedkey == ord('m'): |
382
|
|
|
# 'm' > Sort processes by MEM usage |
383
|
|
|
glances_processes.auto_sort = False |
384
|
|
|
glances_processes.sort_key = 'memory_percent' |
385
|
|
|
elif self.pressedkey == ord('M'): |
386
|
|
|
# 'M' > Reset processes summary min/max |
387
|
|
|
self.args.reset_minmax_tag = not self.args.reset_minmax_tag |
388
|
|
|
elif self.pressedkey == ord('n'): |
389
|
|
|
# 'n' > Show/hide network stats |
390
|
|
|
self.args.disable_network = not self.args.disable_network |
391
|
|
|
elif self.pressedkey == ord('p'): |
392
|
|
|
# 'p' > Sort processes by name |
393
|
|
|
glances_processes.auto_sort = False |
394
|
|
|
glances_processes.sort_key = 'name' |
395
|
|
|
elif self.pressedkey == ord('r'): |
396
|
|
|
# 'r' > Reset history |
397
|
|
|
self.reset_history_tag = not self.reset_history_tag |
398
|
|
|
elif self.pressedkey == ord('R'): |
399
|
|
|
# 'R' > Hide RAID plugins |
400
|
|
|
self.args.disable_raid = not self.args.disable_raid |
401
|
|
|
elif self.pressedkey == ord('s'): |
402
|
|
|
# 's' > Show/hide sensors stats (Linux-only) |
403
|
|
|
self.args.disable_sensors = not self.args.disable_sensors |
404
|
|
|
elif self.pressedkey == ord('t'): |
405
|
|
|
# 't' > Sort processes by TIME usage |
406
|
|
|
glances_processes.auto_sort = False |
407
|
|
|
glances_processes.sort_key = 'cpu_times' |
408
|
|
|
elif self.pressedkey == ord('T'): |
409
|
|
|
# 'T' > View network traffic as sum Rx+Tx |
410
|
|
|
self.args.network_sum = not self.args.network_sum |
411
|
|
|
elif self.pressedkey == ord('u'): |
412
|
|
|
# 'u' > Sort processes by USER |
413
|
|
|
glances_processes.auto_sort = False |
414
|
|
|
glances_processes.sort_key = 'username' |
415
|
|
|
elif self.pressedkey == ord('U'): |
416
|
|
|
# 'U' > View cumulative network I/O (instead of bitrate) |
417
|
|
|
self.args.network_cumul = not self.args.network_cumul |
418
|
|
|
elif self.pressedkey == ord('w'): |
419
|
|
|
# 'w' > Delete finished warning logs |
420
|
|
|
glances_logs.clean() |
421
|
|
|
elif self.pressedkey == ord('x'): |
422
|
|
|
# 'x' > Delete finished warning and critical logs |
423
|
|
|
glances_logs.clean(critical=True) |
424
|
|
|
elif self.pressedkey == ord('z'): |
425
|
|
|
# 'z' > Enable/Disable processes stats (count + list + monitor) |
426
|
|
|
# Enable/Disable display |
427
|
|
|
self.args.disable_process = not self.args.disable_process |
428
|
|
|
# Enable/Disable update |
429
|
|
|
if self.args.disable_process: |
430
|
|
|
glances_processes.disable() |
431
|
|
|
else: |
432
|
|
|
glances_processes.enable() |
433
|
|
|
# Return the key code |
434
|
|
|
return self.pressedkey |
435
|
|
|
|
436
|
|
|
def end(self): |
437
|
|
|
"""Shutdown the curses window.""" |
438
|
|
|
if hasattr(curses, 'echo'): |
439
|
|
|
curses.echo() |
440
|
|
|
if hasattr(curses, 'nocbreak'): |
441
|
|
|
curses.nocbreak() |
442
|
|
|
if hasattr(curses, 'curs_set'): |
443
|
|
|
try: |
444
|
|
|
curses.curs_set(1) |
445
|
|
|
except Exception: |
446
|
|
|
pass |
447
|
|
|
curses.endwin() |
448
|
|
|
|
449
|
|
|
def init_line_column(self): |
450
|
|
|
"""Init the line and column position for the curses inteface.""" |
451
|
|
|
self.init_line() |
452
|
|
|
self.init_column() |
453
|
|
|
|
454
|
|
|
def init_line(self): |
455
|
|
|
"""Init the line position for the curses inteface.""" |
456
|
|
|
self.line = 0 |
457
|
|
|
self.next_line = 0 |
458
|
|
|
|
459
|
|
|
def init_column(self): |
460
|
|
|
"""Init the column position for the curses inteface.""" |
461
|
|
|
self.column = 0 |
462
|
|
|
self.next_column = 0 |
463
|
|
|
|
464
|
|
|
def new_line(self): |
465
|
|
|
"""New line in the curses interface.""" |
466
|
|
|
self.line = self.next_line |
467
|
|
|
|
468
|
|
|
def new_column(self): |
469
|
|
|
"""New column in the curses interface.""" |
470
|
|
|
self.column = self.next_column |
471
|
|
|
|
472
|
|
|
def display(self, stats, cs_status=None): |
473
|
|
|
"""Display stats on the screen. |
474
|
|
|
|
475
|
|
|
stats: Stats database to display |
476
|
|
|
cs_status: |
477
|
|
|
"None": standalone or server mode |
478
|
|
|
"Connected": Client is connected to a Glances server |
479
|
|
|
"SNMP": Client is connected to a SNMP server |
480
|
|
|
"Disconnected": Client is disconnected from the server |
481
|
|
|
|
482
|
|
|
Return: |
483
|
|
|
True if the stats have been displayed |
484
|
|
|
False if the help have been displayed |
485
|
|
|
""" |
486
|
|
|
# Init the internal line/column for Glances Curses |
487
|
|
|
self.init_line_column() |
488
|
|
|
|
489
|
|
|
# Get the screen size |
490
|
|
|
screen_x = self.screen.getmaxyx()[1] |
491
|
|
|
screen_y = self.screen.getmaxyx()[0] |
492
|
|
|
|
493
|
|
|
# No processes list in SNMP mode |
494
|
|
|
if cs_status == 'SNMP': |
495
|
|
|
# so... more space for others plugins |
496
|
|
|
plugin_max_width = 43 |
497
|
|
|
else: |
498
|
|
|
plugin_max_width = None |
499
|
|
|
|
500
|
|
|
# Update the stats messages |
501
|
|
|
########################### |
502
|
|
|
|
503
|
|
|
# Update the client server status |
504
|
|
|
self.args.cs_status = cs_status |
505
|
|
|
stats_system = stats.get_plugin( |
506
|
|
|
'system').get_stats_display(args=self.args) |
507
|
|
|
stats_uptime = stats.get_plugin('uptime').get_stats_display() |
508
|
|
|
if self.args.percpu: |
509
|
|
|
stats_cpu = stats.get_plugin('percpu').get_stats_display(args=self.args) |
510
|
|
|
else: |
511
|
|
|
stats_cpu = stats.get_plugin('cpu').get_stats_display(args=self.args) |
512
|
|
|
stats_load = stats.get_plugin('load').get_stats_display(args=self.args) |
513
|
|
|
stats_mem = stats.get_plugin('mem').get_stats_display(args=self.args) |
514
|
|
|
stats_memswap = stats.get_plugin('memswap').get_stats_display(args=self.args) |
515
|
|
|
stats_network = stats.get_plugin('network').get_stats_display( |
516
|
|
|
args=self.args, max_width=plugin_max_width) |
517
|
|
|
try: |
518
|
|
|
stats_ip = stats.get_plugin('ip').get_stats_display(args=self.args) |
519
|
|
|
except AttributeError: |
520
|
|
|
stats_ip = None |
521
|
|
|
stats_diskio = stats.get_plugin( |
522
|
|
|
'diskio').get_stats_display(args=self.args) |
523
|
|
|
stats_fs = stats.get_plugin('fs').get_stats_display( |
524
|
|
|
args=self.args, max_width=plugin_max_width) |
525
|
|
|
stats_folders = stats.get_plugin('folders').get_stats_display( |
526
|
|
|
args=self.args, max_width=plugin_max_width) |
527
|
|
|
stats_raid = stats.get_plugin('raid').get_stats_display( |
528
|
|
|
args=self.args) |
529
|
|
|
stats_sensors = stats.get_plugin( |
530
|
|
|
'sensors').get_stats_display(args=self.args) |
531
|
|
|
stats_now = stats.get_plugin('now').get_stats_display() |
532
|
|
|
stats_docker = stats.get_plugin('docker').get_stats_display( |
533
|
|
|
args=self.args) |
534
|
|
|
stats_processcount = stats.get_plugin( |
535
|
|
|
'processcount').get_stats_display(args=self.args) |
536
|
|
|
stats_monitor = stats.get_plugin( |
537
|
|
|
'monitor').get_stats_display(args=self.args) |
538
|
|
|
stats_alert = stats.get_plugin( |
539
|
|
|
'alert').get_stats_display(args=self.args) |
540
|
|
|
|
541
|
|
|
# Adapt number of processes to the available space |
542
|
|
|
max_processes_displayed = screen_y - 11 - \ |
543
|
|
|
self.get_stats_display_height(stats_alert) - \ |
544
|
|
|
self.get_stats_display_height(stats_docker) |
545
|
|
|
try: |
546
|
|
|
if self.args.enable_process_extended and not self.args.process_tree: |
547
|
|
|
max_processes_displayed -= 4 |
548
|
|
|
except AttributeError: |
549
|
|
|
pass |
550
|
|
|
if max_processes_displayed < 0: |
551
|
|
|
max_processes_displayed = 0 |
552
|
|
|
if (glances_processes.max_processes is None or |
553
|
|
|
glances_processes.max_processes != max_processes_displayed): |
554
|
|
|
logger.debug("Set number of displayed processes to {0}".format(max_processes_displayed)) |
555
|
|
|
glances_processes.max_processes = max_processes_displayed |
556
|
|
|
|
557
|
|
|
stats_processlist = stats.get_plugin( |
558
|
|
|
'processlist').get_stats_display(args=self.args) |
559
|
|
|
|
560
|
|
|
# Display the stats on the curses interface |
561
|
|
|
########################################### |
562
|
|
|
|
563
|
|
|
# Help screen (on top of the other stats) |
564
|
|
|
if self.args.help_tag: |
565
|
|
|
# Display the stats... |
566
|
|
|
self.display_plugin( |
567
|
|
|
stats.get_plugin('help').get_stats_display(args=self.args)) |
568
|
|
|
# ... and exit |
569
|
|
|
return False |
570
|
|
|
|
571
|
|
|
# ================================== |
572
|
|
|
# Display first line (system+uptime) |
573
|
|
|
# ================================== |
574
|
|
|
# Space between column |
575
|
|
|
self.space_between_column = 0 |
576
|
|
|
self.new_line() |
577
|
|
|
l_uptime = self.get_stats_display_width( |
578
|
|
|
stats_system) + self.space_between_column + self.get_stats_display_width(stats_ip) + 3 + self.get_stats_display_width(stats_uptime) |
579
|
|
|
self.display_plugin( |
580
|
|
|
stats_system, display_optional=(screen_x >= l_uptime)) |
581
|
|
|
self.new_column() |
582
|
|
|
self.display_plugin(stats_ip) |
583
|
|
|
# Space between column |
584
|
|
|
self.space_between_column = 3 |
585
|
|
|
self.new_column() |
586
|
|
|
self.display_plugin(stats_uptime) |
587
|
|
|
|
588
|
|
|
# ======================================================== |
589
|
|
|
# Display second line (<SUMMARY>+CPU|PERCPU+LOAD+MEM+SWAP) |
590
|
|
|
# ======================================================== |
591
|
|
|
self.init_column() |
592
|
|
|
self.new_line() |
593
|
|
|
|
594
|
|
|
# Init quicklook |
595
|
|
|
stats_quicklook = {'msgdict': []} |
596
|
|
|
quicklook_width = 0 |
597
|
|
|
|
598
|
|
|
# Get stats for CPU, MEM, SWAP and LOAD (if needed) |
599
|
|
|
if self.args.disable_cpu: |
600
|
|
|
cpu_width = 0 |
601
|
|
|
else: |
602
|
|
|
cpu_width = self.get_stats_display_width(stats_cpu) |
603
|
|
|
if self.args.disable_mem: |
604
|
|
|
mem_width = 0 |
605
|
|
|
else: |
606
|
|
|
mem_width = self.get_stats_display_width(stats_mem) |
607
|
|
|
if self.args.disable_swap: |
608
|
|
|
swap_width = 0 |
609
|
|
|
else: |
610
|
|
|
swap_width = self.get_stats_display_width(stats_memswap) |
611
|
|
|
if self.args.disable_load: |
612
|
|
|
load_width = 0 |
613
|
|
|
else: |
614
|
|
|
load_width = self.get_stats_display_width(stats_load) |
615
|
|
|
|
616
|
|
|
# Size of plugins but quicklook |
617
|
|
|
stats_width = cpu_width + mem_width + swap_width + load_width |
618
|
|
|
|
619
|
|
|
# Number of plugin but quicklook |
620
|
|
|
stats_number = ( |
621
|
|
|
int(not self.args.disable_cpu and stats_cpu['msgdict'] != []) + |
622
|
|
|
int(not self.args.disable_mem and stats_mem['msgdict'] != []) + |
623
|
|
|
int(not self.args.disable_swap and stats_memswap['msgdict'] != []) + |
624
|
|
|
int(not self.args.disable_load and stats_load['msgdict'] != [])) |
625
|
|
|
|
626
|
|
|
if not self.args.disable_quicklook: |
627
|
|
|
# Quick look is in the place ! |
628
|
|
|
if self.args.full_quicklook: |
629
|
|
|
quicklook_width = screen_x - (stats_width + 8 + stats_number * self.space_between_column) |
630
|
|
|
else: |
631
|
|
|
quicklook_width = min(screen_x - (stats_width + 8 + stats_number * self.space_between_column), 79) |
632
|
|
|
try: |
633
|
|
|
stats_quicklook = stats.get_plugin( |
634
|
|
|
'quicklook').get_stats_display(max_width=quicklook_width, args=self.args) |
635
|
|
|
except AttributeError as e: |
636
|
|
|
logger.debug("Quicklook plugin not available (%s)" % e) |
637
|
|
|
else: |
638
|
|
|
quicklook_width = self.get_stats_display_width(stats_quicklook) |
639
|
|
|
stats_width += quicklook_width + 1 |
640
|
|
|
self.space_between_column = 1 |
641
|
|
|
self.display_plugin(stats_quicklook) |
642
|
|
|
self.new_column() |
643
|
|
|
|
644
|
|
|
# Compute spaces between plugins |
645
|
|
|
# Note: Only one space between Quicklook and others |
646
|
|
|
display_optional_cpu = True |
647
|
|
|
display_optional_mem = True |
648
|
|
|
if stats_number > 1: |
649
|
|
|
self.space_between_column = max(1, int((screen_x - stats_width) / (stats_number - 1))) |
650
|
|
|
# No space ? Remove optionnal MEM stats |
651
|
|
|
if self.space_between_column < 3: |
652
|
|
|
display_optional_mem = False |
653
|
|
|
if self.args.disable_mem: |
654
|
|
|
mem_width = 0 |
655
|
|
|
else: |
656
|
|
|
mem_width = self.get_stats_display_width(stats_mem, without_option=True) |
657
|
|
|
stats_width = quicklook_width + 1 + cpu_width + mem_width + swap_width + load_width |
658
|
|
|
self.space_between_column = max(1, int((screen_x - stats_width) / (stats_number - 1))) |
659
|
|
|
# No space again ? Remove optionnal CPU stats |
660
|
|
|
if self.space_between_column < 3: |
661
|
|
|
display_optional_cpu = False |
662
|
|
|
if self.args.disable_cpu: |
663
|
|
|
cpu_width = 0 |
664
|
|
|
else: |
665
|
|
|
cpu_width = self.get_stats_display_width(stats_cpu, without_option=True) |
666
|
|
|
stats_width = quicklook_width + 1 + cpu_width + mem_width + swap_width + load_width |
667
|
|
|
self.space_between_column = max(1, int((screen_x - stats_width) / (stats_number - 1))) |
668
|
|
|
else: |
669
|
|
|
self.space_between_column = 0 |
670
|
|
|
|
671
|
|
|
# Display CPU, MEM, SWAP and LOAD |
672
|
|
|
self.display_plugin(stats_cpu, display_optional=display_optional_cpu) |
673
|
|
|
self.new_column() |
674
|
|
|
self.display_plugin(stats_mem, display_optional=display_optional_mem) |
675
|
|
|
self.new_column() |
676
|
|
|
self.display_plugin(stats_memswap) |
677
|
|
|
self.new_column() |
678
|
|
|
self.display_plugin(stats_load) |
679
|
|
|
|
680
|
|
|
# Space between column |
681
|
|
|
self.space_between_column = 3 |
682
|
|
|
|
683
|
|
|
# Backup line position |
684
|
|
|
self.saved_line = self.next_line |
685
|
|
|
|
686
|
|
|
# ================================================================== |
687
|
|
|
# Display left sidebar (NETWORK+DISKIO+FS+SENSORS+Current time) |
688
|
|
|
# ================================================================== |
689
|
|
|
self.init_column() |
690
|
|
|
if not (self.args.disable_network and |
691
|
|
|
self.args.disable_diskio and |
692
|
|
|
self.args.disable_fs and |
693
|
|
|
self.args.disable_folder and |
694
|
|
|
self.args.disable_raid and |
695
|
|
|
self.args.disable_sensors) and not self.args.disable_left_sidebar: |
696
|
|
|
self.new_line() |
697
|
|
|
self.display_plugin(stats_network) |
698
|
|
|
self.new_line() |
699
|
|
|
self.display_plugin(stats_diskio) |
700
|
|
|
self.new_line() |
701
|
|
|
self.display_plugin(stats_fs) |
702
|
|
|
self.new_line() |
703
|
|
|
self.display_plugin(stats_folders) |
704
|
|
|
self.new_line() |
705
|
|
|
self.display_plugin(stats_raid) |
706
|
|
|
self.new_line() |
707
|
|
|
self.display_plugin(stats_sensors) |
708
|
|
|
self.new_line() |
709
|
|
|
self.display_plugin(stats_now) |
710
|
|
|
|
711
|
|
|
# ==================================== |
712
|
|
|
# Display right stats (process and co) |
713
|
|
|
# ==================================== |
714
|
|
|
# If space available... |
715
|
|
|
if screen_x > 52: |
716
|
|
|
# Restore line position |
717
|
|
|
self.next_line = self.saved_line |
718
|
|
|
|
719
|
|
|
# Display right sidebar |
720
|
|
|
# ((DOCKER)+PROCESS_COUNT+(MONITORED)+PROCESS_LIST+ALERT) |
721
|
|
|
self.new_column() |
722
|
|
|
self.new_line() |
723
|
|
|
self.display_plugin(stats_docker) |
724
|
|
|
self.new_line() |
725
|
|
|
self.display_plugin(stats_processcount) |
726
|
|
|
if glances_processes.process_filter is None and cs_status is None: |
727
|
|
|
# Do not display stats monitor list if a filter exist |
728
|
|
|
self.new_line() |
729
|
|
|
self.display_plugin(stats_monitor) |
730
|
|
|
self.new_line() |
731
|
|
|
self.display_plugin(stats_processlist, |
732
|
|
|
display_optional=(screen_x > 102), |
733
|
|
|
display_additional=(not OSX), |
734
|
|
|
max_y=(screen_y - self.get_stats_display_height(stats_alert) - 2)) |
735
|
|
|
self.new_line() |
736
|
|
|
self.display_plugin(stats_alert) |
737
|
|
|
|
738
|
|
|
# History option |
739
|
|
|
# Generate history graph |
740
|
|
|
if self.history_tag and self.args.enable_history: |
741
|
|
|
self.display_popup( |
742
|
|
|
'Generate graphs history in {0}\nPlease wait...'.format( |
743
|
|
|
self.glances_history.get_output_folder())) |
744
|
|
|
self.display_popup( |
745
|
|
|
'Generate graphs history in {0}\nDone: {1} graphs generated'.format( |
746
|
|
|
self.glances_history.get_output_folder(), |
747
|
|
|
self.glances_history.generate_graph(stats))) |
748
|
|
|
elif self.reset_history_tag and self.args.enable_history: |
749
|
|
|
self.display_popup('Reset history') |
750
|
|
|
self.glances_history.reset(stats) |
751
|
|
|
elif (self.history_tag or self.reset_history_tag) and not self.args.enable_history: |
752
|
|
|
try: |
753
|
|
|
self.glances_history.graph_enabled() |
754
|
|
|
except Exception: |
755
|
|
|
self.display_popup('History disabled\nEnable it using --enable-history') |
756
|
|
|
else: |
757
|
|
|
self.display_popup('History disabled\nPlease install matplotlib') |
758
|
|
|
self.history_tag = False |
759
|
|
|
self.reset_history_tag = False |
760
|
|
|
|
761
|
|
|
# Display edit filter popup |
762
|
|
|
# Only in standalone mode (cs_status is None) |
763
|
|
|
if self.edit_filter and cs_status is None: |
764
|
|
|
new_filter = self.display_popup( |
765
|
|
|
'Process filter pattern: ', is_input=True, |
766
|
|
|
input_value=glances_processes.process_filter) |
767
|
|
|
glances_processes.process_filter = new_filter |
768
|
|
|
elif self.edit_filter and cs_status != 'None': |
769
|
|
|
self.display_popup('Process filter only available in standalone mode') |
770
|
|
|
self.edit_filter = False |
771
|
|
|
|
772
|
|
|
return True |
773
|
|
|
|
774
|
|
|
def display_popup(self, message, |
775
|
|
|
size_x=None, size_y=None, |
776
|
|
|
duration=3, |
777
|
|
|
is_input=False, |
778
|
|
|
input_size=30, |
779
|
|
|
input_value=None): |
780
|
|
|
""" |
781
|
|
|
Display a centered popup. |
782
|
|
|
|
783
|
|
|
If is_input is False: |
784
|
|
|
Display a centered popup with the given message during duration seconds |
785
|
|
|
If size_x and size_y: set the popup size |
786
|
|
|
else set it automatically |
787
|
|
|
Return True if the popup could be displayed |
788
|
|
|
|
789
|
|
|
If is_input is True: |
790
|
|
|
Display a centered popup with the given message and a input field |
791
|
|
|
If size_x and size_y: set the popup size |
792
|
|
|
else set it automatically |
793
|
|
|
Return the input string or None if the field is empty |
794
|
|
|
""" |
795
|
|
|
# Center the popup |
796
|
|
|
sentence_list = message.split('\n') |
797
|
|
|
if size_x is None: |
798
|
|
|
size_x = len(max(sentence_list, key=len)) + 4 |
799
|
|
|
# Add space for the input field |
800
|
|
|
if is_input: |
801
|
|
|
size_x += input_size |
802
|
|
|
if size_y is None: |
803
|
|
|
size_y = len(sentence_list) + 4 |
804
|
|
|
screen_x = self.screen.getmaxyx()[1] |
805
|
|
|
screen_y = self.screen.getmaxyx()[0] |
806
|
|
|
if size_x > screen_x or size_y > screen_y: |
807
|
|
|
# No size to display the popup => abord |
808
|
|
|
return False |
809
|
|
|
pos_x = int((screen_x - size_x) / 2) |
810
|
|
|
pos_y = int((screen_y - size_y) / 2) |
811
|
|
|
|
812
|
|
|
# Create the popup |
813
|
|
|
popup = curses.newwin(size_y, size_x, pos_y, pos_x) |
814
|
|
|
|
815
|
|
|
# Fill the popup |
816
|
|
|
popup.border() |
817
|
|
|
|
818
|
|
|
# Add the message |
819
|
|
|
for y, m in enumerate(message.split('\n')): |
820
|
|
|
popup.addnstr(2 + y, 2, m, len(m)) |
821
|
|
|
|
822
|
|
|
if is_input and not WINDOWS: |
823
|
|
|
# Create a subwindow for the text field |
824
|
|
|
subpop = popup.derwin(1, input_size, 2, 2 + len(m)) |
825
|
|
|
subpop.attron(self.colors_list['FILTER']) |
826
|
|
|
# Init the field with the current value |
827
|
|
|
if input_value is not None: |
828
|
|
|
subpop.addnstr(0, 0, input_value, len(input_value)) |
829
|
|
|
# Display the popup |
830
|
|
|
popup.refresh() |
831
|
|
|
subpop.refresh() |
832
|
|
|
# Create the textbox inside the subwindows |
833
|
|
|
self.set_cursor(2) |
834
|
|
|
self.flash_cursor() |
835
|
|
|
textbox = GlancesTextbox(subpop, insert_mode=False) |
836
|
|
|
textbox.edit() |
837
|
|
|
self.set_cursor(0) |
838
|
|
|
self.no_flash_cursor() |
839
|
|
|
if textbox.gather() != '': |
840
|
|
|
logger.debug( |
841
|
|
|
"User enters the following string: %s" % textbox.gather()) |
842
|
|
|
return textbox.gather()[:-1] |
843
|
|
|
else: |
844
|
|
|
logger.debug("User centers an empty string") |
845
|
|
|
return None |
846
|
|
|
else: |
847
|
|
|
# Display the popup |
848
|
|
|
popup.refresh() |
849
|
|
|
self.wait(duration * 1000) |
850
|
|
|
return True |
851
|
|
|
|
852
|
|
|
def display_plugin(self, plugin_stats, |
853
|
|
|
display_optional=True, |
854
|
|
|
display_additional=True, |
855
|
|
|
max_y=65535): |
856
|
|
|
"""Display the plugin_stats on the screen. |
857
|
|
|
|
858
|
|
|
If display_optional=True display the optional stats |
859
|
|
|
If display_additional=True display additionnal stats |
860
|
|
|
max_y do not display line > max_y |
861
|
|
|
""" |
862
|
|
|
# Exit if: |
863
|
|
|
# - the plugin_stats message is empty |
864
|
|
|
# - the display tag = False |
865
|
|
|
if plugin_stats is None or not plugin_stats['msgdict'] or not plugin_stats['display']: |
866
|
|
|
# Exit |
867
|
|
|
return 0 |
868
|
|
|
|
869
|
|
|
# Get the screen size |
870
|
|
|
screen_x = self.screen.getmaxyx()[1] |
871
|
|
|
screen_y = self.screen.getmaxyx()[0] |
872
|
|
|
|
873
|
|
|
# Set the upper/left position of the message |
874
|
|
|
if plugin_stats['align'] == 'right': |
875
|
|
|
# Right align (last column) |
876
|
|
|
display_x = screen_x - self.get_stats_display_width(plugin_stats) |
877
|
|
|
else: |
878
|
|
|
display_x = self.column |
879
|
|
|
if plugin_stats['align'] == 'bottom': |
880
|
|
|
# Bottom (last line) |
881
|
|
|
display_y = screen_y - self.get_stats_display_height(plugin_stats) |
882
|
|
|
else: |
883
|
|
|
display_y = self.line |
884
|
|
|
|
885
|
|
|
# Display |
886
|
|
|
x = display_x |
887
|
|
|
x_max = x |
888
|
|
|
y = display_y |
889
|
|
|
for m in plugin_stats['msgdict']: |
890
|
|
|
# New line |
891
|
|
|
if m['msg'].startswith('\n'): |
892
|
|
|
# Go to the next line |
893
|
|
|
y += 1 |
894
|
|
|
# Return to the first column |
895
|
|
|
x = display_x |
896
|
|
|
continue |
897
|
|
|
# Do not display outside the screen |
898
|
|
|
if x < 0: |
899
|
|
|
continue |
900
|
|
|
if not m['splittable'] and (x + len(m['msg']) > screen_x): |
901
|
|
|
continue |
902
|
|
|
if y < 0 or (y + 1 > screen_y) or (y > max_y): |
903
|
|
|
break |
904
|
|
|
# If display_optional = False do not display optional stats |
905
|
|
|
if not display_optional and m['optional']: |
906
|
|
|
continue |
907
|
|
|
# If display_additional = False do not display additional stats |
908
|
|
|
if not display_additional and m['additional']: |
909
|
|
|
continue |
910
|
|
|
# Is it possible to display the stat with the current screen size |
911
|
|
|
# !!! Crach if not try/except... Why ??? |
912
|
|
|
try: |
913
|
|
|
self.term_window.addnstr(y, x, |
914
|
|
|
m['msg'], |
915
|
|
|
# Do not disply outside the screen |
916
|
|
|
screen_x - x, |
917
|
|
|
self.colors_list[m['decoration']]) |
918
|
|
|
except Exception: |
919
|
|
|
pass |
920
|
|
|
else: |
921
|
|
|
# New column |
922
|
|
|
# Python 2: we need to decode to get real screen size because |
923
|
|
|
# UTF-8 special tree chars occupy several bytes. |
924
|
|
|
# Python 3: strings are strings and bytes are bytes, all is |
925
|
|
|
# good. |
926
|
|
|
try: |
927
|
|
|
x += len(u(m['msg'])) |
928
|
|
|
except UnicodeDecodeError: |
929
|
|
|
# Quick and dirty hack for issue #745 |
930
|
|
|
pass |
931
|
|
|
if x > x_max: |
932
|
|
|
x_max = x |
933
|
|
|
|
934
|
|
|
# Compute the next Glances column/line position |
935
|
|
|
self.next_column = max( |
936
|
|
|
self.next_column, x_max + self.space_between_column) |
937
|
|
|
self.next_line = max(self.next_line, y + self.space_between_line) |
938
|
|
|
|
939
|
|
|
def erase(self): |
940
|
|
|
"""Erase the content of the screen.""" |
941
|
|
|
self.term_window.erase() |
942
|
|
|
|
943
|
|
|
def flush(self, stats, cs_status=None): |
944
|
|
|
"""Clear and update the screen. |
945
|
|
|
|
946
|
|
|
stats: Stats database to display |
947
|
|
|
cs_status: |
948
|
|
|
"None": standalone or server mode |
949
|
|
|
"Connected": Client is connected to the server |
950
|
|
|
"Disconnected": Client is disconnected from the server |
951
|
|
|
""" |
952
|
|
|
self.erase() |
953
|
|
|
self.display(stats, cs_status=cs_status) |
954
|
|
|
|
955
|
|
|
def update(self, stats, cs_status=None, return_to_browser=False): |
956
|
|
|
"""Update the screen. |
957
|
|
|
|
958
|
|
|
Wait for __refresh_time sec / catch key every 100 ms. |
959
|
|
|
|
960
|
|
|
INPUT |
961
|
|
|
stats: Stats database to display |
962
|
|
|
cs_status: |
963
|
|
|
"None": standalone or server mode |
964
|
|
|
"Connected": Client is connected to the server |
965
|
|
|
"Disconnected": Client is disconnected from the server |
966
|
|
|
return_to_browser: |
967
|
|
|
True: Do not exist, return to the browser list |
968
|
|
|
False: Exit and return to the shell |
969
|
|
|
|
970
|
|
|
OUPUT |
971
|
|
|
True: Exit key has been pressed |
972
|
|
|
False: Others cases... |
973
|
|
|
""" |
974
|
|
|
# Flush display |
975
|
|
|
self.flush(stats, cs_status=cs_status) |
976
|
|
|
|
977
|
|
|
# Wait |
978
|
|
|
exitkey = False |
979
|
|
|
countdown = Timer(self.__refresh_time) |
980
|
|
|
while not countdown.finished() and not exitkey: |
981
|
|
|
# Getkey |
982
|
|
|
pressedkey = self.__catch_key(return_to_browser=return_to_browser) |
983
|
|
|
# Is it an exit key ? |
984
|
|
|
exitkey = (pressedkey == ord('\x1b') or pressedkey == ord('q')) |
985
|
|
|
if not exitkey and pressedkey > -1: |
986
|
|
|
# Redraw display |
987
|
|
|
self.flush(stats, cs_status=cs_status) |
988
|
|
|
# Wait 100ms... |
989
|
|
|
self.wait() |
990
|
|
|
|
991
|
|
|
return exitkey |
992
|
|
|
|
993
|
|
|
def wait(self, delay=100): |
994
|
|
|
"""Wait delay in ms""" |
995
|
|
|
curses.napms(100) |
996
|
|
|
|
997
|
|
|
def get_stats_display_width(self, curse_msg, without_option=False): |
998
|
|
|
"""Return the width of the formatted curses message. |
999
|
|
|
|
1000
|
|
|
The height is defined by the maximum line. |
1001
|
|
|
""" |
1002
|
|
|
try: |
1003
|
|
|
if without_option: |
1004
|
|
|
# Size without options |
1005
|
|
|
c = len(max(''.join([(re.sub(r'[^\x00-\x7F]+', ' ', i['msg']) if not i['optional'] else "") |
1006
|
|
|
for i in curse_msg['msgdict']]).split('\n'), key=len)) |
1007
|
|
|
else: |
1008
|
|
|
# Size with all options |
1009
|
|
|
c = len(max(''.join([re.sub(r'[^\x00-\x7F]+', ' ', i['msg']) |
1010
|
|
|
for i in curse_msg['msgdict']]).split('\n'), key=len)) |
1011
|
|
|
except Exception: |
1012
|
|
|
return 0 |
1013
|
|
|
else: |
1014
|
|
|
return c |
1015
|
|
|
|
1016
|
|
|
def get_stats_display_height(self, curse_msg): |
1017
|
|
|
r"""Return the height of the formatted curses message. |
1018
|
|
|
|
1019
|
|
|
The height is defined by the number of '\n' (new line). |
1020
|
|
|
""" |
1021
|
|
|
try: |
1022
|
|
|
c = [i['msg'] for i in curse_msg['msgdict']].count('\n') |
1023
|
|
|
except Exception: |
1024
|
|
|
return 0 |
1025
|
|
|
else: |
1026
|
|
|
return c + 1 |
1027
|
|
|
|
1028
|
|
|
|
1029
|
|
|
class GlancesCursesStandalone(_GlancesCurses): |
1030
|
|
|
|
1031
|
|
|
"""Class for the Glances curse standalone.""" |
1032
|
|
|
|
1033
|
|
|
pass |
1034
|
|
|
|
1035
|
|
|
|
1036
|
|
|
class GlancesCursesClient(_GlancesCurses): |
1037
|
|
|
|
1038
|
|
|
"""Class for the Glances curse client.""" |
1039
|
|
|
|
1040
|
|
|
pass |
1041
|
|
|
|
1042
|
|
|
|
1043
|
|
|
if not WINDOWS: |
1044
|
|
|
class GlancesTextbox(Textbox, object): |
1045
|
|
|
|
1046
|
|
|
def __init__(self, *args, **kwargs): |
1047
|
|
|
super(GlancesTextbox, self).__init__(*args, **kwargs) |
1048
|
|
|
|
1049
|
|
|
def do_command(self, ch): |
1050
|
|
|
if ch == 10: # Enter |
1051
|
|
|
return 0 |
1052
|
|
|
if ch == 127: # Back |
1053
|
|
|
return 8 |
1054
|
|
|
return super(GlancesTextbox, self).do_command(ch) |
1055
|
|
|
|