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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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# SPDX-FileCopyrightText: 2023 Nicolas Hennion <[email protected]> |
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# |
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# SPDX-License-Identifier: LGPL-3.0-only |
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# |
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"""Curses interface class.""" |
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from __future__ import unicode_literals |
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import sys |
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from glances.globals import MACOS, WINDOWS, nativestr, u, itervalues, enable, disable |
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from glances.logger import logger |
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from glances.events_list import glances_events |
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from glances.processes import glances_processes, sort_processes_key_list |
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from glances.outputs.glances_unicode import unicode_message |
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from glances.timer import Timer |
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# Import curses library for "normal" operating system |
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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("Curses module not found. Glances cannot start in standalone mode.") |
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if WINDOWS: |
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logger.critical("For Windows you can try installing windows-curses with pip install.") |
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sys.exit(1) |
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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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_hotkeys = { |
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'\n': {'handler': '_handle_enter'}, |
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'0': {'switch': 'disable_irix'}, |
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'1': {'switch': 'percpu'}, |
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'2': {'switch': 'disable_left_sidebar'}, |
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'3': {'switch': 'disable_quicklook'}, |
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'4': {'handler': '_handle_quicklook'}, |
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'5': {'handler': '_handle_top_menu'}, |
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'6': {'switch': 'meangpu'}, |
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'/': {'switch': 'process_short_name'}, |
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'a': {'sort_key': 'auto'}, |
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'A': {'switch': 'disable_amps'}, |
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'b': {'switch': 'byte'}, |
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'B': {'switch': 'diskio_iops'}, |
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'c': {'sort_key': 'cpu_percent'}, |
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'C': {'switch': 'disable_cloud'}, |
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'd': {'switch': 'disable_diskio'}, |
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'D': {'switch': 'disable_containers'}, |
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# 'e' > Enable/Disable process extended |
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'E': {'handler': '_handle_erase_filter'}, |
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'f': {'handler': '_handle_fs_stats'}, |
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'F': {'switch': 'fs_free_space'}, |
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'g': {'switch': 'generate_graph'}, |
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'G': {'switch': 'disable_gpu'}, |
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'h': {'switch': 'help_tag'}, |
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'i': {'sort_key': 'io_counters'}, |
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'I': {'switch': 'disable_ip'}, |
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'j': {'switch': 'programs'}, |
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# 'k' > Kill selected process |
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'K': {'switch': 'disable_connections'}, |
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'l': {'switch': 'disable_alert'}, |
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'm': {'sort_key': 'memory_percent'}, |
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'M': {'switch': 'reset_minmax_tag'}, |
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'n': {'switch': 'disable_network'}, |
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'N': {'switch': 'disable_now'}, |
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'p': {'sort_key': 'name'}, |
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'P': {'switch': 'disable_ports'}, |
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# 'q' or ESCAPE > Quit |
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'Q': {'switch': 'enable_irq'}, |
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'r': {'switch': 'disable_smart'}, |
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'R': {'switch': 'disable_raid'}, |
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's': {'switch': 'disable_sensors'}, |
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'S': {'switch': 'sparkline'}, |
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't': {'sort_key': 'cpu_times'}, |
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'T': {'switch': 'network_sum'}, |
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'u': {'sort_key': 'username'}, |
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'U': {'switch': 'network_cumul'}, |
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'w': {'handler': '_handle_clean_logs'}, |
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'W': {'switch': 'disable_wifi'}, |
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'x': {'handler': '_handle_clean_critical_logs'}, |
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'z': {'handler': '_handle_disable_process'}, |
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'+': {'handler': '_handle_increase_nice'}, |
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'-': {'handler': '_handle_decrease_nice'}, |
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# "<" (left arrow) navigation through process sort |
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# ">" (right arrow) navigation through process sort |
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# 'UP' > Up in the server list |
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# 'DOWN' > Down in the server list |
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} |
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_sort_loop = sort_processes_key_list |
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# Define top menu |
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_top = ['quicklook', 'cpu', 'percpu', 'gpu', 'mem', 'memswap', 'load'] |
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_quicklook_max_width = 68 |
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# Define left sidebar |
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# This default list is also defined in the glances/outputs/static/js/uiconfig.json |
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# file for the web interface |
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# Both can be overwritten by the configuration file ([outputs] left_menu option) |
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_left_sidebar = [ |
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'network', |
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'wifi', |
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'connections', |
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'ports', |
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'diskio', |
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'fs', |
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'irq', |
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'folders', |
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'raid', |
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'smart', |
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'sensors', |
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'now', |
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] |
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_left_sidebar_min_width = 23 |
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_left_sidebar_max_width = 34 |
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# Define right sidebar |
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_right_sidebar = ['containers', 'processcount', 'amps', 'processlist', 'alert'] |
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def __init__(self, config=None, args=None): |
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# Init |
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self.config = config |
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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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try: |
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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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else: |
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logger.debug("Curses library initialized with term: {}".format(curses.longname())) |
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except Exception as e: |
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if args.export: |
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logger.info("Cannot init the curses library, quiet mode on and export.") |
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args.quiet = True |
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return |
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else: |
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logger.critical("Cannot init the curses library ({})".format(e)) |
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sys.exit(1) |
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# Load configuration file |
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self.load_config(config) |
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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 edit filter tag |
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self.edit_filter = False |
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# Init nice increase/decrease tag |
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self.increase_nice_process = False |
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self.decrease_nice_process = False |
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# Init kill process tag |
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self.kill_process = 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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# Init cursor |
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self.args.cursor_position = 0 |
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# Catch key pressed with non blocking mode |
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self.term_window.keypad(1) |
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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 load_config(self, config): |
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"""Load the outputs section of the configuration file.""" |
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if config is not None and config.has_section('outputs'): |
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logger.debug('Read the outputs section in the configuration file') |
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# Separator ? |
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self.args.enable_separator = config.get_bool_value('outputs', 'separator', default=True) |
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# Set the left sidebar list |
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self._left_sidebar = config.get_list_value('outputs', |
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'left_menu', |
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default=self._left_sidebar) |
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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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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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try: |
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if hasattr(curses, 'start_color'): |
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curses.start_color() |
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logger.debug('Curses interface compatible with {} colors'.format(curses.COLORS)) |
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if hasattr(curses, 'use_default_colors'): |
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curses.use_default_colors() |
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except Exception as e: |
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logger.warning('Error initializing terminal color ({})'.format(e)) |
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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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# ex: export TERM=xterm-256color |
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# export TERM=xterm-color |
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curses.init_pair(1, -1, -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(5, curses.COLOR_MAGENTA, -1) |
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else: |
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curses.init_pair(2, -1, curses.COLOR_RED) |
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curses.init_pair(3, -1, curses.COLOR_GREEN) |
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curses.init_pair(5, -1, curses.COLOR_MAGENTA) |
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curses.init_pair(4, curses.COLOR_BLUE, -1) |
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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_MAGENTA, -1) |
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# Colors text styles |
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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(8) |
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self.cpu_time_color = curses.color_pair(8) |
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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) |
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self.ifCAREFUL_color2 = curses.color_pair(4) |
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self.ifWARNING_color2 = curses.color_pair(8) | A_BOLD |
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self.ifCRITICAL_color2 = curses.color_pair(6) | A_BOLD |
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self.ifINFO_color = curses.color_pair(4) |
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self.filter_color = A_BOLD |
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self.selected_color = A_BOLD |
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self.separator = curses.color_pair(1) |
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if curses.COLORS > 8: |
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# ex: export TERM=xterm-256color |
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colors_list = [curses.COLOR_CYAN, curses.COLOR_YELLOW] |
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for i in range(0, 3): |
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try: |
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curses.init_pair(i + 9, colors_list[i], -1) |
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except Exception: |
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curses.init_pair(i + 9, -1, -1) |
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self.filter_color = curses.color_pair(9) | A_BOLD |
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self.selected_color = curses.color_pair(10) | A_BOLD |
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# Define separator line style |
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curses.init_color(11, 500, 500, 500) |
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curses.init_pair(11, curses.COLOR_BLACK, -1) |
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self.separator = curses.color_pair(11) |
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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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# ex: export TERM=xterm-mono |
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self.no_color = -1 |
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self.default_color = -1 |
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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 = A_BOLD |
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self.ifWARNING_color = curses.A_UNDERLINE |
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self.ifCRITICAL_color = curses.A_REVERSE |
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self.default_color2 = -1 |
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self.ifCAREFUL_color2 = A_BOLD |
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self.ifWARNING_color2 = curses.A_UNDERLINE |
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self.ifCRITICAL_color2 = curses.A_REVERSE |
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self.ifINFO_color = A_BOLD |
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self.filter_color = A_BOLD |
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self.selected_color = A_BOLD |
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self.separator = -1 |
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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': curses.A_UNDERLINE | A_BOLD, |
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'OK': self.default_color2, |
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'MAX': self.default_color2 | A_BOLD, |
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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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'PROCESS_SELECTED': self.default_color2 | curses.A_UNDERLINE, |
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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, |
340
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|
|
'PASSWORD': curses.A_PROTECT, |
341
|
|
|
'SELECTED': self.selected_color, |
342
|
|
|
'INFO': self.ifINFO_color, |
343
|
|
|
'ERROR': self.selected_color, |
344
|
|
|
'SEPARATOR': self.separator, |
345
|
|
|
} |
346
|
|
|
|
347
|
|
|
def set_cursor(self, value): |
348
|
|
|
"""Configure the curse cursor appearance. |
349
|
|
|
|
350
|
|
|
0: invisible |
351
|
|
|
1: visible |
352
|
|
|
2: very visible |
353
|
|
|
""" |
354
|
|
|
if hasattr(curses, 'curs_set'): |
355
|
|
|
try: |
356
|
|
|
curses.curs_set(value) |
357
|
|
|
except Exception: |
358
|
|
|
pass |
359
|
|
|
|
360
|
|
|
def get_key(self, window): |
361
|
|
|
# TODO: Check issue #163 |
362
|
|
|
ret = window.getch() |
363
|
|
|
return ret |
364
|
|
|
|
365
|
|
|
def __catch_key(self, return_to_browser=False): |
366
|
|
|
# Catch the pressed key |
367
|
|
|
self.pressedkey = self.get_key(self.term_window) |
368
|
|
|
if self.pressedkey == -1: |
369
|
|
|
return -1 |
370
|
|
|
|
371
|
|
|
# Actions (available in the global hotkey dict)... |
372
|
|
|
logger.debug("Keypressed (code: {})".format(self.pressedkey)) |
373
|
|
|
for hotkey in self._hotkeys: |
374
|
|
|
if self.pressedkey == ord(hotkey) and 'switch' in self._hotkeys[hotkey]: |
375
|
|
|
self._handle_switch(hotkey) |
376
|
|
|
elif self.pressedkey == ord(hotkey) and 'sort_key' in self._hotkeys[hotkey]: |
377
|
|
|
self._handle_sort_key(hotkey) |
378
|
|
|
if self.pressedkey == ord(hotkey) and 'handler' in self._hotkeys[hotkey]: |
379
|
|
|
action = getattr(self, self._hotkeys[hotkey]['handler']) |
380
|
|
|
action() |
381
|
|
|
|
382
|
|
|
# Other actions with key > 255 (ord will not work) and/or additional test... |
383
|
|
|
if self.pressedkey == ord('e') and not self.args.programs: |
384
|
|
|
self._handle_process_extended() |
385
|
|
|
elif self.pressedkey == ord('k') and not self.args.disable_cursor: |
386
|
|
|
self._handle_kill_process() |
387
|
|
|
elif self.pressedkey == curses.KEY_LEFT: |
388
|
|
|
self._handle_sort_left() |
389
|
|
|
elif self.pressedkey == curses.KEY_RIGHT: |
390
|
|
|
self._handle_sort_right() |
391
|
|
|
elif self.pressedkey == curses.KEY_UP or self.pressedkey == 65 and not self.args.disable_cursor: |
392
|
|
|
self._handle_cursor_up() |
393
|
|
|
elif self.pressedkey == curses.KEY_DOWN or self.pressedkey == 66 and not self.args.disable_cursor: |
394
|
|
|
self._handle_cursor_down() |
395
|
|
|
elif self.pressedkey == ord('\x1b') or self.pressedkey == ord('q'): |
396
|
|
|
self._handle_quit(return_to_browser) |
397
|
|
|
elif self.pressedkey == curses.KEY_F5 or self.pressedkey == 18: |
398
|
|
|
self._handle_refresh() |
399
|
|
|
|
400
|
|
|
# Return the key code |
401
|
|
|
return self.pressedkey |
402
|
|
|
|
403
|
|
|
def _handle_switch(self, hotkey): |
404
|
|
|
option = '_'.join(self._hotkeys[hotkey]['switch'].split('_')[1:]) |
405
|
|
|
if self._hotkeys[hotkey]['switch'].startswith('disable_'): |
406
|
|
|
if getattr(self.args, self._hotkeys[hotkey]['switch']): |
407
|
|
|
enable(self.args, option) |
408
|
|
|
else: |
409
|
|
|
disable(self.args, option) |
410
|
|
|
elif self._hotkeys[hotkey]['switch'].startswith('enable_'): |
411
|
|
|
if getattr(self.args, self._hotkeys[hotkey]['switch']): |
412
|
|
|
disable(self.args, option) |
413
|
|
|
else: |
414
|
|
|
enable(self.args, option) |
415
|
|
|
else: |
416
|
|
|
setattr( |
417
|
|
|
self.args, |
418
|
|
|
self._hotkeys[hotkey]['switch'], |
419
|
|
|
not getattr(self.args, self._hotkeys[hotkey]['switch']), |
420
|
|
|
) |
421
|
|
|
|
422
|
|
|
def _handle_sort_key(self, hotkey): |
423
|
|
|
glances_processes.set_sort_key(self._hotkeys[hotkey]['sort_key'], self._hotkeys[hotkey]['sort_key'] == 'auto') |
424
|
|
|
|
425
|
|
|
def _handle_enter(self): |
426
|
|
|
self.edit_filter = not self.edit_filter |
427
|
|
|
|
428
|
|
|
def _handle_quicklook(self): |
429
|
|
|
self.args.full_quicklook = not self.args.full_quicklook |
430
|
|
|
if self.args.full_quicklook: |
431
|
|
|
self.enable_fullquicklook() |
432
|
|
|
else: |
433
|
|
|
self.disable_fullquicklook() |
434
|
|
|
|
435
|
|
|
def _handle_top_menu(self): |
436
|
|
|
self.args.disable_top = not self.args.disable_top |
437
|
|
|
if self.args.disable_top: |
438
|
|
|
self.disable_top() |
439
|
|
|
else: |
440
|
|
|
self.enable_top() |
441
|
|
|
|
442
|
|
|
|
443
|
|
|
def _handle_process_extended(self): |
444
|
|
|
self.args.enable_process_extended = not self.args.enable_process_extended |
445
|
|
|
if not self.args.enable_process_extended: |
446
|
|
|
glances_processes.disable_extended() |
447
|
|
|
else: |
448
|
|
|
glances_processes.enable_extended() |
449
|
|
|
self.args.disable_cursor = self.args.enable_process_extended and self.args.is_standalone |
450
|
|
|
|
451
|
|
|
def _handle_erase_filter(self): |
452
|
|
|
glances_processes.process_filter = None |
453
|
|
|
|
454
|
|
|
def _handle_fs_stats(self): |
455
|
|
|
self.args.disable_fs = not self.args.disable_fs |
456
|
|
|
self.args.disable_folders = not self.args.disable_folders |
457
|
|
|
|
458
|
|
|
def _handle_increase_nice(self): |
459
|
|
|
self.increase_nice_process = not self.increase_nice_process |
460
|
|
|
|
461
|
|
|
def _handle_decrease_nice(self): |
462
|
|
|
self.decrease_nice_process = not self.decrease_nice_process |
463
|
|
|
|
464
|
|
|
def _handle_kill_process(self): |
465
|
|
|
self.kill_process = not self.kill_process |
466
|
|
|
|
467
|
|
|
def _handle_clean_logs(self): |
468
|
|
|
glances_events.clean() |
469
|
|
|
|
470
|
|
|
def _handle_clean_critical_logs(self): |
471
|
|
|
glances_events.clean(critical=True) |
472
|
|
|
|
473
|
|
|
def _handle_disable_process(self): |
474
|
|
|
self.args.disable_process = not self.args.disable_process |
475
|
|
|
if self.args.disable_process: |
476
|
|
|
glances_processes.disable() |
477
|
|
|
else: |
478
|
|
|
glances_processes.enable() |
479
|
|
|
|
480
|
|
|
def _handle_sort_left(self): |
481
|
|
|
next_sort = (self.loop_position() - 1) % len(self._sort_loop) |
482
|
|
|
glances_processes.set_sort_key(self._sort_loop[next_sort], False) |
483
|
|
|
|
484
|
|
|
def _handle_sort_right(self): |
485
|
|
|
next_sort = (self.loop_position() + 1) % len(self._sort_loop) |
486
|
|
|
glances_processes.set_sort_key(self._sort_loop[next_sort], False) |
487
|
|
|
|
488
|
|
|
def _handle_cursor_up(self): |
489
|
|
|
if self.args.cursor_position > 0: |
490
|
|
|
self.args.cursor_position -= 1 |
491
|
|
|
|
492
|
|
|
def _handle_cursor_down(self): |
493
|
|
|
if self.args.cursor_position < glances_processes.processes_count: |
494
|
|
|
self.args.cursor_position += 1 |
495
|
|
|
|
496
|
|
|
def _handle_quit(self, return_to_browser): |
497
|
|
|
if return_to_browser: |
498
|
|
|
logger.info("Stop Glances client and return to the browser") |
499
|
|
|
else: |
500
|
|
|
logger.info("Stop Glances (keypressed: {})".format(self.pressedkey)) |
501
|
|
|
|
502
|
|
|
def _handle_refresh(self): |
503
|
|
|
pass |
504
|
|
|
|
505
|
|
|
def loop_position(self): |
506
|
|
|
"""Return the current sort in the loop""" |
507
|
|
|
for i, v in enumerate(self._sort_loop): |
508
|
|
|
if v == glances_processes.sort_key: |
509
|
|
|
return i |
510
|
|
|
return 0 |
511
|
|
|
|
512
|
|
|
def disable_top(self): |
513
|
|
|
"""Disable the top panel""" |
514
|
|
|
for p in ['quicklook', 'cpu', 'gpu', 'mem', 'memswap', 'load']: |
515
|
|
|
setattr(self.args, 'disable_' + p, True) |
516
|
|
|
|
517
|
|
|
def enable_top(self): |
518
|
|
|
"""Enable the top panel""" |
519
|
|
|
for p in ['quicklook', 'cpu', 'gpu', 'mem', 'memswap', 'load']: |
520
|
|
|
setattr(self.args, 'disable_' + p, False) |
521
|
|
|
|
522
|
|
|
def disable_fullquicklook(self): |
523
|
|
|
"""Disable the full quicklook mode""" |
524
|
|
|
for p in ['quicklook', 'cpu', 'gpu', 'mem', 'memswap']: |
525
|
|
|
setattr(self.args, 'disable_' + p, False) |
526
|
|
|
|
527
|
|
|
def enable_fullquicklook(self): |
528
|
|
|
"""Disable the full quicklook mode""" |
529
|
|
|
self.args.disable_quicklook = False |
530
|
|
|
for p in ['cpu', 'gpu', 'mem', 'memswap']: |
531
|
|
|
setattr(self.args, 'disable_' + p, True) |
532
|
|
|
|
533
|
|
|
def end(self): |
534
|
|
|
"""Shutdown the curses window.""" |
535
|
|
|
if hasattr(curses, 'echo'): |
536
|
|
|
curses.echo() |
537
|
|
|
if hasattr(curses, 'nocbreak'): |
538
|
|
|
curses.nocbreak() |
539
|
|
|
if hasattr(curses, 'curs_set'): |
540
|
|
|
try: |
541
|
|
|
curses.curs_set(1) |
542
|
|
|
except Exception: |
543
|
|
|
pass |
544
|
|
|
curses.endwin() |
545
|
|
|
|
546
|
|
|
def init_line_column(self): |
547
|
|
|
"""Init the line and column position for the curses interface.""" |
548
|
|
|
self.init_line() |
549
|
|
|
self.init_column() |
550
|
|
|
|
551
|
|
|
def init_line(self): |
552
|
|
|
"""Init the line position for the curses interface.""" |
553
|
|
|
self.line = 0 |
554
|
|
|
self.next_line = 0 |
555
|
|
|
|
556
|
|
|
def init_column(self): |
557
|
|
|
"""Init the column position for the curses interface.""" |
558
|
|
|
self.column = 0 |
559
|
|
|
self.next_column = 0 |
560
|
|
|
|
561
|
|
|
def new_line(self, separator=False): |
562
|
|
|
"""New line in the curses interface.""" |
563
|
|
|
self.line = self.next_line |
564
|
|
|
|
565
|
|
|
def new_column(self): |
566
|
|
|
"""New column in the curses interface.""" |
567
|
|
|
self.column = self.next_column |
568
|
|
|
|
569
|
|
|
def separator_line(self, color='SEPARATOR'): |
570
|
|
|
"""Add a separator line in the curses interface.""" |
571
|
|
|
if not self.args.enable_separator: |
572
|
|
|
return |
573
|
|
|
self.new_line() |
574
|
|
|
self.line -= 1 |
575
|
|
|
line_width = self.term_window.getmaxyx()[1] - self.column |
576
|
|
|
self.term_window.addnstr( |
577
|
|
|
self.line, |
578
|
|
|
self.column, |
579
|
|
|
unicode_message('MEDIUM_LINE', self.args) * line_width, |
580
|
|
|
line_width, |
581
|
|
|
self.colors_list[color], |
582
|
|
|
) |
583
|
|
|
|
584
|
|
|
def __get_stat_display(self, stats, layer): |
585
|
|
|
"""Return a dict of dict with all the stats display. |
586
|
|
|
# TODO: Drop extra parameter |
587
|
|
|
|
588
|
|
|
:param stats: Global stats dict |
589
|
|
|
:param layer: ~ cs_status |
590
|
|
|
"None": standalone or server mode |
591
|
|
|
"Connected": Client is connected to a Glances server |
592
|
|
|
"SNMP": Client is connected to a SNMP server |
593
|
|
|
"Disconnected": Client is disconnected from the server |
594
|
|
|
|
595
|
|
|
:returns: dict of dict |
596
|
|
|
* key: plugin name |
597
|
|
|
* value: dict returned by the get_stats_display Plugin method |
598
|
|
|
""" |
599
|
|
|
ret = {} |
600
|
|
|
|
601
|
|
|
for p in stats.getPluginsList(enable=False): |
602
|
|
|
if p == 'quicklook' or p == 'processlist': |
603
|
|
|
# - processlist is done later |
604
|
|
|
# because we need to know how many processes could be displayed |
605
|
|
|
# - quicklook is done later |
606
|
|
|
# because it is based on CPU, MEM, SWAP and LOAD |
607
|
|
|
continue |
608
|
|
|
|
609
|
|
|
# Compute the plugin max size |
610
|
|
|
plugin_max_width = None |
611
|
|
|
if p in self._left_sidebar: |
612
|
|
|
plugin_max_width = max(self._left_sidebar_min_width, |
613
|
|
|
self.term_window.getmaxyx()[1] - 105) |
614
|
|
|
plugin_max_width = min(self._left_sidebar_max_width, |
615
|
|
|
plugin_max_width) |
616
|
|
|
|
617
|
|
|
# Get the view |
618
|
|
|
ret[p] = stats.get_plugin(p).get_stats_display(args=self.args, |
619
|
|
|
max_width=plugin_max_width) |
620
|
|
|
|
621
|
|
|
return ret |
622
|
|
|
|
623
|
|
|
def display(self, stats, cs_status=None): |
624
|
|
|
"""Display stats on the screen. |
625
|
|
|
|
626
|
|
|
:param stats: Stats database to display |
627
|
|
|
:param cs_status: |
628
|
|
|
"None": standalone or server mode |
629
|
|
|
"Connected": Client is connected to a Glances server |
630
|
|
|
"SNMP": Client is connected to a SNMP server |
631
|
|
|
"Disconnected": Client is disconnected from the server |
632
|
|
|
|
633
|
|
|
:return: True if the stats have been displayed else False if the help have been displayed |
634
|
|
|
""" |
635
|
|
|
# Init the internal line/column for Glances Curses |
636
|
|
|
self.init_line_column() |
637
|
|
|
|
638
|
|
|
# Update the stats messages |
639
|
|
|
########################### |
640
|
|
|
|
641
|
|
|
# Get all the plugins but quicklook and process list |
642
|
|
|
self.args.cs_status = cs_status |
643
|
|
|
__stat_display = self.__get_stat_display(stats, layer=cs_status) |
644
|
|
|
|
645
|
|
|
# Adapt number of processes to the available space |
646
|
|
|
max_processes_displayed = ( |
647
|
|
|
self.term_window.getmaxyx()[0] |
648
|
|
|
- 11 |
649
|
|
|
- (0 if 'containers' not in __stat_display else self.get_stats_display_height(__stat_display["containers"])) |
650
|
|
|
- ( |
651
|
|
|
0 |
652
|
|
|
if 'processcount' not in __stat_display |
653
|
|
|
else self.get_stats_display_height(__stat_display["processcount"]) |
654
|
|
|
) |
655
|
|
|
- (0 if 'amps' not in __stat_display else self.get_stats_display_height(__stat_display["amps"])) |
656
|
|
|
- (0 if 'alert' not in __stat_display else self.get_stats_display_height(__stat_display["alert"])) |
657
|
|
|
) |
658
|
|
|
|
659
|
|
|
try: |
660
|
|
|
if self.args.enable_process_extended: |
661
|
|
|
max_processes_displayed -= 4 |
662
|
|
|
except AttributeError: |
663
|
|
|
pass |
664
|
|
|
if max_processes_displayed < 0: |
665
|
|
|
max_processes_displayed = 0 |
666
|
|
|
if glances_processes.max_processes is None or glances_processes.max_processes != max_processes_displayed: |
667
|
|
|
logger.debug("Set number of displayed processes to {}".format(max_processes_displayed)) |
668
|
|
|
glances_processes.max_processes = max_processes_displayed |
669
|
|
|
|
670
|
|
|
# Get the processlist |
671
|
|
|
__stat_display["processlist"] = stats.get_plugin('processlist').get_stats_display(args=self.args) |
672
|
|
|
|
673
|
|
|
# Display the stats on the curses interface |
674
|
|
|
########################################### |
675
|
|
|
|
676
|
|
|
# Help screen (on top of the other stats) |
677
|
|
|
if self.args.help_tag: |
678
|
|
|
# Display the stats... |
679
|
|
|
self.display_plugin(stats.get_plugin('help').get_stats_display(args=self.args)) |
680
|
|
|
# ... and exit |
681
|
|
|
return False |
682
|
|
|
|
683
|
|
|
# ===================================== |
684
|
|
|
# Display first line (system+ip+uptime) |
685
|
|
|
# Optionally: Cloud on second line |
686
|
|
|
# ===================================== |
687
|
|
|
self.__display_header(__stat_display) |
688
|
|
|
self.separator_line() |
689
|
|
|
|
690
|
|
|
# ============================================================== |
691
|
|
|
# Display second line (<SUMMARY>+CPU|PERCPU+<GPU>+LOAD+MEM+SWAP) |
692
|
|
|
# ============================================================== |
693
|
|
|
self.__display_top(__stat_display, stats) |
694
|
|
|
self.init_column() |
695
|
|
|
self.separator_line() |
696
|
|
|
|
697
|
|
|
# ================================================================== |
698
|
|
|
# Display left sidebar (NETWORK+PORTS+DISKIO+FS+SENSORS+Current time) |
699
|
|
|
# ================================================================== |
700
|
|
|
self.__display_left(__stat_display) |
701
|
|
|
|
702
|
|
|
# ==================================== |
703
|
|
|
# Display right stats (process and co) |
704
|
|
|
# ==================================== |
705
|
|
|
self.__display_right(__stat_display) |
706
|
|
|
|
707
|
|
|
# ===================== |
708
|
|
|
# Others popup messages |
709
|
|
|
# ===================== |
710
|
|
|
|
711
|
|
|
# Display edit filter popup |
712
|
|
|
# Only in standalone mode (cs_status is None) |
713
|
|
|
if self.edit_filter and cs_status is None: |
714
|
|
|
new_filter = self.display_popup( |
715
|
|
|
'Process filter pattern: \n\n' |
716
|
|
|
+ 'Examples:\n' |
717
|
|
|
+ '- .*python.*\n' |
718
|
|
|
+ '- /usr/lib.*\n' |
719
|
|
|
+ '- name:.*nautilus.*\n' |
720
|
|
|
+ '- cmdline:.*glances.*\n' |
721
|
|
|
+ '- username:nicolargo\n' |
722
|
|
|
+ '- username:^root ', |
723
|
|
|
popup_type='input', |
724
|
|
|
input_value=glances_processes.process_filter_input, |
725
|
|
|
) |
726
|
|
|
glances_processes.process_filter = new_filter |
727
|
|
|
elif self.edit_filter and cs_status is not None: |
728
|
|
|
self.display_popup('Process filter only available in standalone mode') |
729
|
|
|
self.edit_filter = False |
730
|
|
|
|
731
|
|
|
# Manage increase/decrease nice level of the selected process |
732
|
|
|
# Only in standalone mode (cs_status is None) |
733
|
|
|
if self.increase_nice_process and cs_status is None: |
734
|
|
|
self.nice_increase(stats.get_plugin('processlist').get_raw()[self.args.cursor_position]) |
735
|
|
|
self.increase_nice_process = False |
736
|
|
|
if self.decrease_nice_process and cs_status is None: |
737
|
|
|
self.nice_decrease(stats.get_plugin('processlist').get_raw()[self.args.cursor_position]) |
738
|
|
|
self.decrease_nice_process = False |
739
|
|
|
|
740
|
|
|
# Display kill process confirmation popup |
741
|
|
|
# Only in standalone mode (cs_status is None) |
742
|
|
|
if self.kill_process and cs_status is None: |
743
|
|
|
self.kill(stats.get_plugin('processlist').get_raw()[self.args.cursor_position]) |
744
|
|
|
elif self.kill_process and cs_status is not None: |
745
|
|
|
self.display_popup('Kill process only available for local processes') |
746
|
|
|
self.kill_process = False |
747
|
|
|
|
748
|
|
|
# Display graph generation popup |
749
|
|
|
if self.args.generate_graph: |
750
|
|
|
if 'graph' in stats.getExportsList(): |
751
|
|
|
self.display_popup('Generate graph in {}'.format(self.args.export_graph_path)) |
752
|
|
|
else: |
753
|
|
|
logger.warning('Graph export module is disable. Run Glances with --export graph to enable it.') |
754
|
|
|
self.args.generate_graph = False |
755
|
|
|
|
756
|
|
|
return True |
757
|
|
|
|
758
|
|
|
def nice_increase(self, process): |
759
|
|
|
glances_processes.nice_increase(process['pid']) |
760
|
|
|
|
761
|
|
|
def nice_decrease(self, process): |
762
|
|
|
glances_processes.nice_decrease(process['pid']) |
763
|
|
|
|
764
|
|
|
def kill(self, process): |
765
|
|
|
"""Kill a process, or a list of process if the process has a childrens field. |
766
|
|
|
|
767
|
|
|
:param process |
768
|
|
|
:return: None |
769
|
|
|
""" |
770
|
|
|
logger.debug("Selected process to kill: {}".format(process)) |
771
|
|
|
|
772
|
|
|
if 'childrens' in process: |
773
|
|
|
pid_to_kill = process['childrens'] |
774
|
|
|
else: |
775
|
|
|
pid_to_kill = [process['pid']] |
776
|
|
|
|
777
|
|
|
confirm = self.display_popup( |
778
|
|
|
'Kill process: {} (pid: {}) ?\n\nConfirm ([y]es/[n]o): '.format( |
779
|
|
|
process['name'], |
780
|
|
|
', '.join(map(str, pid_to_kill)), |
781
|
|
|
), |
782
|
|
|
popup_type='yesno', |
783
|
|
|
) |
784
|
|
|
|
785
|
|
|
if confirm.lower().startswith('y'): |
786
|
|
|
for pid in pid_to_kill: |
787
|
|
|
try: |
788
|
|
|
ret_kill = glances_processes.kill(pid) |
789
|
|
|
except Exception as e: |
790
|
|
|
logger.error('Can not kill process {} ({})'.format(pid, e)) |
791
|
|
|
else: |
792
|
|
|
logger.info('Kill signal has been sent to process {} (return code: {})'.format(pid, ret_kill)) |
793
|
|
|
|
794
|
|
|
def __display_header(self, stat_display): |
795
|
|
|
"""Display the firsts lines (header) in the Curses interface. |
796
|
|
|
|
797
|
|
|
system + ip + uptime |
798
|
|
|
(cloud) |
799
|
|
|
""" |
800
|
|
|
# First line |
801
|
|
|
self.new_line() |
802
|
|
|
self.space_between_column = 0 |
803
|
|
|
l_uptime = 1 |
804
|
|
|
for i in ['system', 'ip', 'uptime']: |
805
|
|
|
if i in stat_display: |
806
|
|
|
l_uptime += self.get_stats_display_width(stat_display[i]) |
807
|
|
|
self.display_plugin(stat_display["system"], display_optional=(self.term_window.getmaxyx()[1] >= l_uptime)) |
808
|
|
|
self.space_between_column = 3 |
809
|
|
|
if 'ip' in stat_display: |
810
|
|
|
self.new_column() |
811
|
|
|
self.display_plugin(stat_display["ip"], display_optional=(self.term_window.getmaxyx()[1] >= 100)) |
812
|
|
|
self.new_column() |
813
|
|
|
self.display_plugin( |
814
|
|
|
stat_display["uptime"], add_space=-(self.get_stats_display_width(stat_display["cloud"]) != 0) |
815
|
|
|
) |
816
|
|
|
self.init_column() |
817
|
|
|
if self.get_stats_display_width(stat_display["cloud"]) != 0: |
818
|
|
|
# Second line (optional) |
819
|
|
|
self.new_line() |
820
|
|
|
self.display_plugin(stat_display["cloud"]) |
821
|
|
|
|
822
|
|
|
def __display_top(self, stat_display, stats): |
823
|
|
|
"""Display the second line in the Curses interface. |
824
|
|
|
|
825
|
|
|
<QUICKLOOK> + CPU|PERCPU + <GPU> + MEM + SWAP + LOAD |
826
|
|
|
""" |
827
|
|
|
self.init_column() |
828
|
|
|
self.new_line() |
829
|
|
|
|
830
|
|
|
# Init quicklook |
831
|
|
|
stat_display['quicklook'] = {'msgdict': []} |
832
|
|
|
|
833
|
|
|
# Dict for plugins width |
834
|
|
|
plugin_widths = {} |
835
|
|
|
for p in self._top: |
836
|
|
|
plugin_widths[p] = ( |
837
|
|
|
self.get_stats_display_width(stat_display.get(p, 0)) if hasattr(self.args, 'disable_' + p) else 0 |
838
|
|
|
) |
839
|
|
|
|
840
|
|
|
# Width of all plugins |
841
|
|
|
stats_width = sum(itervalues(plugin_widths)) |
842
|
|
|
|
843
|
|
|
# Number of plugin but quicklook |
844
|
|
|
stats_number = sum( |
845
|
|
|
[int(stat_display[p]['msgdict'] != []) for p in self._top if not getattr(self.args, 'disable_' + p)] |
846
|
|
|
) |
847
|
|
|
|
848
|
|
|
if not self.args.disable_quicklook: |
849
|
|
|
# Quick look is in the place ! |
850
|
|
|
if self.args.full_quicklook: |
851
|
|
|
quicklook_width = self.term_window.getmaxyx()[1] - ( |
852
|
|
|
stats_width + 8 + stats_number * self.space_between_column |
853
|
|
|
) |
854
|
|
|
else: |
855
|
|
|
quicklook_width = min( |
856
|
|
|
self.term_window.getmaxyx()[1] - (stats_width + 8 + stats_number * self.space_between_column), |
857
|
|
|
self._quicklook_max_width - 5, |
858
|
|
|
) |
859
|
|
|
try: |
860
|
|
|
stat_display["quicklook"] = stats.get_plugin('quicklook').get_stats_display( |
861
|
|
|
max_width=quicklook_width, args=self.args |
862
|
|
|
) |
863
|
|
|
except AttributeError as e: |
864
|
|
|
logger.debug("Quicklook plugin not available (%s)" % e) |
865
|
|
|
else: |
866
|
|
|
plugin_widths['quicklook'] = self.get_stats_display_width(stat_display["quicklook"]) |
867
|
|
|
stats_width = sum(itervalues(plugin_widths)) + 1 |
868
|
|
|
self.space_between_column = 1 |
869
|
|
|
self.display_plugin(stat_display["quicklook"]) |
870
|
|
|
self.new_column() |
871
|
|
|
|
872
|
|
|
# Compute spaces between plugins |
873
|
|
|
# Note: Only one space between Quicklook and others |
874
|
|
|
plugin_display_optional = {} |
875
|
|
|
for p in self._top: |
876
|
|
|
plugin_display_optional[p] = True |
877
|
|
|
if stats_number > 1: |
878
|
|
|
self.space_between_column = max(1, int((self.term_window.getmaxyx()[1] - stats_width) / (stats_number - 1))) |
879
|
|
|
for p in ['mem', 'cpu']: |
880
|
|
|
# No space ? Remove optional stats |
881
|
|
|
if self.space_between_column < 3: |
882
|
|
|
plugin_display_optional[p] = False |
883
|
|
|
plugin_widths[p] = ( |
884
|
|
|
self.get_stats_display_width(stat_display[p], without_option=True) |
885
|
|
|
if hasattr(self.args, 'disable_' + p) |
886
|
|
|
else 0 |
887
|
|
|
) |
888
|
|
|
stats_width = sum(itervalues(plugin_widths)) + 1 |
889
|
|
|
self.space_between_column = max( |
890
|
|
|
1, int((self.term_window.getmaxyx()[1] - stats_width) / (stats_number - 1)) |
891
|
|
|
) |
892
|
|
|
else: |
893
|
|
|
self.space_between_column = 0 |
894
|
|
|
|
895
|
|
|
# Display CPU, MEM, SWAP and LOAD |
896
|
|
|
for p in self._top: |
897
|
|
|
if p == 'quicklook': |
898
|
|
|
continue |
899
|
|
|
if p in stat_display: |
900
|
|
|
self.display_plugin(stat_display[p], display_optional=plugin_display_optional[p]) |
901
|
|
|
if p != 'load': |
902
|
|
|
# Skip last column |
903
|
|
|
self.new_column() |
904
|
|
|
|
905
|
|
|
# Space between column |
906
|
|
|
self.space_between_column = 3 |
907
|
|
|
|
908
|
|
|
# Backup line position |
909
|
|
|
self.saved_line = self.next_line |
910
|
|
|
|
911
|
|
|
def __display_left(self, stat_display): |
912
|
|
|
"""Display the left sidebar in the Curses interface.""" |
913
|
|
|
self.init_column() |
914
|
|
|
|
915
|
|
|
if self.args.disable_left_sidebar: |
916
|
|
|
return |
917
|
|
|
|
918
|
|
|
for p in self._left_sidebar: |
919
|
|
|
if (hasattr(self.args, 'enable_' + p) or hasattr(self.args, 'disable_' + p)) and p in stat_display: |
920
|
|
|
self.new_line() |
921
|
|
|
self.display_plugin(stat_display[p]) |
922
|
|
|
|
923
|
|
|
def __display_right(self, stat_display): |
924
|
|
|
"""Display the right sidebar in the Curses interface. |
925
|
|
|
|
926
|
|
|
docker + processcount + amps + processlist + alert |
927
|
|
|
""" |
928
|
|
|
# Do not display anything if space is not available... |
929
|
|
|
if self.term_window.getmaxyx()[1] < self._left_sidebar_min_width: |
930
|
|
|
return |
931
|
|
|
|
932
|
|
|
# Restore line position |
933
|
|
|
self.next_line = self.saved_line |
934
|
|
|
|
935
|
|
|
# Display right sidebar |
936
|
|
|
self.new_column() |
937
|
|
|
for p in self._right_sidebar: |
938
|
|
|
if (hasattr(self.args, 'enable_' + p) or hasattr(self.args, 'disable_' + p)) and p in stat_display: |
939
|
|
|
if p not in p: |
940
|
|
|
# Catch for issue #1470 |
941
|
|
|
continue |
942
|
|
|
self.new_line() |
943
|
|
|
if p == 'processlist': |
944
|
|
|
self.display_plugin( |
945
|
|
|
stat_display['processlist'], |
946
|
|
|
display_optional=(self.term_window.getmaxyx()[1] > 102), |
947
|
|
|
display_additional=(not MACOS), |
948
|
|
|
max_y=( |
949
|
|
|
self.term_window.getmaxyx()[0] - self.get_stats_display_height(stat_display['alert']) - 2 |
950
|
|
|
), |
951
|
|
|
) |
952
|
|
|
else: |
953
|
|
|
self.display_plugin(stat_display[p]) |
954
|
|
|
|
955
|
|
|
def display_popup( |
956
|
|
|
self, message, size_x=None, size_y=None, duration=3, popup_type='info', input_size=30, input_value=None |
957
|
|
|
): |
958
|
|
|
""" |
959
|
|
|
Display a centered popup. |
960
|
|
|
|
961
|
|
|
popup_type: ='info' |
962
|
|
|
Just an information popup, no user interaction |
963
|
|
|
Display a centered popup with the given message during duration seconds |
964
|
|
|
If size_x and size_y: set the popup size |
965
|
|
|
else set it automatically |
966
|
|
|
Return True if the popup could be displayed |
967
|
|
|
|
968
|
|
|
popup_type='input' |
969
|
|
|
Display a centered popup with the given message and a input field |
970
|
|
|
If size_x and size_y: set the popup size |
971
|
|
|
else set it automatically |
972
|
|
|
Return the input string or None if the field is empty |
973
|
|
|
|
974
|
|
|
popup_type='yesno' |
975
|
|
|
Display a centered popup with the given message |
976
|
|
|
If size_x and size_y: set the popup size |
977
|
|
|
else set it automatically |
978
|
|
|
Return True (yes) or False (no) |
979
|
|
|
""" |
980
|
|
|
# Center the popup |
981
|
|
|
sentence_list = message.split('\n') |
982
|
|
|
if size_x is None: |
983
|
|
|
size_x = len(max(sentence_list, key=len)) + 4 |
984
|
|
|
# Add space for the input field |
985
|
|
|
if popup_type == 'input': |
986
|
|
|
size_x += input_size |
987
|
|
|
if size_y is None: |
988
|
|
|
size_y = len(sentence_list) + 4 |
989
|
|
|
screen_x = self.term_window.getmaxyx()[1] |
990
|
|
|
screen_y = self.term_window.getmaxyx()[0] |
991
|
|
|
if size_x > screen_x or size_y > screen_y: |
992
|
|
|
# No size to display the popup => abord |
993
|
|
|
return False |
994
|
|
|
pos_x = int((screen_x - size_x) / 2) |
995
|
|
|
pos_y = int((screen_y - size_y) / 2) |
996
|
|
|
|
997
|
|
|
# Create the popup |
998
|
|
|
popup = curses.newwin(size_y, size_x, pos_y, pos_x) |
999
|
|
|
|
1000
|
|
|
# Fill the popup |
1001
|
|
|
popup.border() |
1002
|
|
|
|
1003
|
|
|
# Add the message |
1004
|
|
|
for y, m in enumerate(sentence_list): |
1005
|
|
|
if len(m) > 0: |
1006
|
|
|
popup.addnstr(2 + y, 2, m, len(m)) |
1007
|
|
|
|
1008
|
|
|
if popup_type == 'info': |
1009
|
|
|
# Display the popup |
1010
|
|
|
popup.refresh() |
1011
|
|
|
self.wait(duration * 1000) |
1012
|
|
|
return True |
1013
|
|
|
elif popup_type == 'input': |
1014
|
|
|
# Create a sub-window for the text field |
1015
|
|
|
sub_pop = popup.derwin(1, input_size, 2, 2 + len(m)) |
|
|
|
|
1016
|
|
|
sub_pop.attron(self.colors_list['FILTER']) |
1017
|
|
|
# Init the field with the current value |
1018
|
|
|
if input_value is not None: |
1019
|
|
|
sub_pop.addnstr(0, 0, input_value, len(input_value)) |
1020
|
|
|
# Display the popup |
1021
|
|
|
popup.refresh() |
1022
|
|
|
sub_pop.refresh() |
1023
|
|
|
# Create the textbox inside the sub-windows |
1024
|
|
|
self.set_cursor(2) |
1025
|
|
|
self.term_window.keypad(1) |
1026
|
|
|
textbox = GlancesTextbox(sub_pop, insert_mode=True) |
1027
|
|
|
textbox.edit() |
1028
|
|
|
self.set_cursor(0) |
1029
|
|
|
# self.term_window.keypad(0) |
1030
|
|
|
if textbox.gather() != '': |
1031
|
|
|
logger.debug("User enters the following string: %s" % textbox.gather()) |
1032
|
|
|
return textbox.gather()[:-1] |
1033
|
|
|
else: |
1034
|
|
|
logger.debug("User enters an empty string") |
1035
|
|
|
return None |
1036
|
|
|
elif popup_type == 'yesno': |
1037
|
|
|
# # Create a sub-window for the text field |
1038
|
|
|
sub_pop = popup.derwin(1, 2, len(sentence_list) + 1, len(m) + 2) |
1039
|
|
|
sub_pop.attron(self.colors_list['FILTER']) |
1040
|
|
|
# Init the field with the current value |
1041
|
|
|
sub_pop.addnstr(0, 0, '', 0) |
1042
|
|
|
# Display the popup |
1043
|
|
|
popup.refresh() |
1044
|
|
|
sub_pop.refresh() |
1045
|
|
|
# Create the textbox inside the sub-windows |
1046
|
|
|
self.set_cursor(2) |
1047
|
|
|
self.term_window.keypad(1) |
1048
|
|
|
textbox = GlancesTextboxYesNo(sub_pop, insert_mode=False) |
1049
|
|
|
textbox.edit() |
1050
|
|
|
self.set_cursor(0) |
1051
|
|
|
# self.term_window.keypad(0) |
1052
|
|
|
return textbox.gather() |
1053
|
|
|
|
1054
|
|
|
def display_plugin(self, plugin_stats, display_optional=True, display_additional=True, max_y=65535, add_space=0): |
1055
|
|
|
"""Display the plugin_stats on the screen. |
1056
|
|
|
|
1057
|
|
|
:param plugin_stats: |
1058
|
|
|
:param display_optional: display the optional stats if True |
1059
|
|
|
:param display_additional: display additional stats if True |
1060
|
|
|
:param max_y: do not display line > max_y |
1061
|
|
|
:param add_space: add x space (line) after the plugin |
1062
|
|
|
""" |
1063
|
|
|
# Exit if: |
1064
|
|
|
# - the plugin_stats message is empty |
1065
|
|
|
# - the display tag = False |
1066
|
|
|
if plugin_stats is None or not plugin_stats['msgdict'] or not plugin_stats['display']: |
1067
|
|
|
# Exit |
1068
|
|
|
return 0 |
1069
|
|
|
|
1070
|
|
|
# Get the screen size |
1071
|
|
|
screen_x = self.term_window.getmaxyx()[1] |
1072
|
|
|
screen_y = self.term_window.getmaxyx()[0] |
1073
|
|
|
|
1074
|
|
|
# Set the upper/left position of the message |
1075
|
|
|
if plugin_stats['align'] == 'right': |
1076
|
|
|
# Right align (last column) |
1077
|
|
|
display_x = screen_x - self.get_stats_display_width(plugin_stats) |
1078
|
|
|
else: |
1079
|
|
|
display_x = self.column |
1080
|
|
|
if plugin_stats['align'] == 'bottom': |
1081
|
|
|
# Bottom (last line) |
1082
|
|
|
display_y = screen_y - self.get_stats_display_height(plugin_stats) |
1083
|
|
|
else: |
1084
|
|
|
display_y = self.line |
1085
|
|
|
|
1086
|
|
|
# Display |
1087
|
|
|
x = display_x |
1088
|
|
|
x_max = x |
1089
|
|
|
y = display_y |
1090
|
|
|
for m in plugin_stats['msgdict']: |
1091
|
|
|
# New line |
1092
|
|
|
try: |
1093
|
|
|
if m['msg'].startswith('\n'): |
1094
|
|
|
# Go to the next line |
1095
|
|
|
y += 1 |
1096
|
|
|
# Return to the first column |
1097
|
|
|
x = display_x |
1098
|
|
|
continue |
1099
|
|
|
except Exception: |
1100
|
|
|
# Avoid exception (see issue #1692) |
1101
|
|
|
pass |
1102
|
|
|
# Do not display outside the screen |
1103
|
|
|
if x < 0: |
1104
|
|
|
continue |
1105
|
|
|
if not m['splittable'] and (x + len(m['msg']) > screen_x): |
1106
|
|
|
continue |
1107
|
|
|
if y < 0 or (y + 1 > screen_y) or (y > max_y): |
1108
|
|
|
break |
1109
|
|
|
# If display_optional = False do not display optional stats |
1110
|
|
|
if not display_optional and m['optional']: |
1111
|
|
|
continue |
1112
|
|
|
# If display_additional = False do not display additional stats |
1113
|
|
|
if not display_additional and m['additional']: |
1114
|
|
|
continue |
1115
|
|
|
# Is it possible to display the stat with the current screen size |
1116
|
|
|
# !!! Crash if not try/except... Why ??? |
1117
|
|
|
try: |
1118
|
|
|
self.term_window.addnstr( |
1119
|
|
|
y, |
1120
|
|
|
x, |
1121
|
|
|
m['msg'], |
1122
|
|
|
# Do not display outside the screen |
1123
|
|
|
screen_x - x, |
1124
|
|
|
self.colors_list[m['decoration']], |
1125
|
|
|
) |
1126
|
|
|
except Exception: |
1127
|
|
|
pass |
1128
|
|
|
else: |
1129
|
|
|
# New column |
1130
|
|
|
# Python 2: we need to decode to get real screen size because |
1131
|
|
|
# UTF-8 special tree chars occupy several bytes. |
1132
|
|
|
# Python 3: strings are strings and bytes are bytes, all is |
1133
|
|
|
# good. |
1134
|
|
|
try: |
1135
|
|
|
x += len(u(m['msg'])) |
1136
|
|
|
except UnicodeDecodeError: |
1137
|
|
|
# Quick and dirty hack for issue #745 |
1138
|
|
|
pass |
1139
|
|
|
if x > x_max: |
1140
|
|
|
x_max = x |
1141
|
|
|
|
1142
|
|
|
# Compute the next Glances column/line position |
1143
|
|
|
self.next_column = max(self.next_column, x_max + self.space_between_column) |
1144
|
|
|
self.next_line = max(self.next_line, y + self.space_between_line) |
1145
|
|
|
|
1146
|
|
|
# Have empty lines after the plugins |
1147
|
|
|
self.next_line += add_space |
1148
|
|
|
|
1149
|
|
|
def clear(self): |
1150
|
|
|
"""Erase the content of the screen. |
1151
|
|
|
The difference is that clear() also calls clearok(). clearok() |
1152
|
|
|
basically tells ncurses to forget whatever it knows about the current |
1153
|
|
|
terminal contents, so that when refresh() is called, it will actually |
1154
|
|
|
begin by clearing the entire terminal screen before redrawing any of it.""" |
1155
|
|
|
self.term_window.clear() |
1156
|
|
|
|
1157
|
|
|
def erase(self): |
1158
|
|
|
"""Erase the content of the screen. |
1159
|
|
|
erase() on the other hand, just clears the screen (the internal |
1160
|
|
|
object, not the terminal screen). When refresh() is later called, |
1161
|
|
|
ncurses will still compute the minimum number of characters to send to |
1162
|
|
|
update the terminal.""" |
1163
|
|
|
self.term_window.erase() |
1164
|
|
|
|
1165
|
|
|
def flush(self, stats, cs_status=None): |
1166
|
|
|
"""Erase and update the screen. |
1167
|
|
|
|
1168
|
|
|
:param stats: Stats database to display |
1169
|
|
|
:param cs_status: |
1170
|
|
|
"None": standalone or server mode |
1171
|
|
|
"Connected": Client is connected to the server |
1172
|
|
|
"Disconnected": Client is disconnected from the server |
1173
|
|
|
""" |
1174
|
|
|
self.erase() |
1175
|
|
|
self.display(stats, cs_status=cs_status) |
1176
|
|
|
|
1177
|
|
|
def update(self, stats, duration=3, cs_status=None, return_to_browser=False): |
1178
|
|
|
"""Update the screen. |
1179
|
|
|
|
1180
|
|
|
:param stats: Stats database to display |
1181
|
|
|
:param duration: duration of the loop |
1182
|
|
|
:param cs_status: |
1183
|
|
|
"None": standalone or server mode |
1184
|
|
|
"Connected": Client is connected to the server |
1185
|
|
|
"Disconnected": Client is disconnected from the server |
1186
|
|
|
:param return_to_browser: |
1187
|
|
|
True: Do not exist, return to the browser list |
1188
|
|
|
False: Exit and return to the shell |
1189
|
|
|
|
1190
|
|
|
:return: True if exit key has been pressed else False |
1191
|
|
|
""" |
1192
|
|
|
# Flush display |
1193
|
|
|
self.flush(stats, cs_status=cs_status) |
1194
|
|
|
|
1195
|
|
|
# If the duration is < 0 (update + export time > refresh_time) |
1196
|
|
|
# Then display the interface and log a message |
1197
|
|
|
if duration <= 0: |
1198
|
|
|
logger.warning('Update and export time higher than refresh_time.') |
1199
|
|
|
duration = 0.1 |
1200
|
|
|
|
1201
|
|
|
# Wait duration (in s) time |
1202
|
|
|
isexitkey = False |
1203
|
|
|
countdown = Timer(duration) |
1204
|
|
|
# Set the default timeout (in ms) between two getch |
1205
|
|
|
self.term_window.timeout(100) |
1206
|
|
|
while not countdown.finished() and not isexitkey: |
1207
|
|
|
# Getkey |
1208
|
|
|
pressedkey = self.__catch_key(return_to_browser=return_to_browser) |
1209
|
|
|
isexitkey = pressedkey == ord('\x1b') or pressedkey == ord('q') |
1210
|
|
|
|
1211
|
|
|
if pressedkey == curses.KEY_F5 or self.pressedkey == 18: |
1212
|
|
|
# Were asked to refresh (F5 or Ctrl-R) |
1213
|
|
|
self.clear() |
1214
|
|
|
return isexitkey |
1215
|
|
|
|
1216
|
|
|
if pressedkey in (curses.KEY_UP, 65, curses.KEY_DOWN, 66): |
1217
|
|
|
# Up of won key pressed, reset the countdown |
1218
|
|
|
# Better for user experience |
1219
|
|
|
countdown.reset() |
1220
|
|
|
|
1221
|
|
|
if isexitkey and self.args.help_tag: |
1222
|
|
|
# Quit from help should return to main screen, not exit #1874 |
1223
|
|
|
self.args.help_tag = not self.args.help_tag |
1224
|
|
|
isexitkey = False |
1225
|
|
|
return isexitkey |
1226
|
|
|
|
1227
|
|
|
if not isexitkey and pressedkey > -1: |
1228
|
|
|
# Redraw display |
1229
|
|
|
self.flush(stats, cs_status=cs_status) |
1230
|
|
|
# Overwrite the timeout with the countdown |
1231
|
|
|
self.wait(delay=int(countdown.get() * 1000)) |
1232
|
|
|
|
1233
|
|
|
return isexitkey |
1234
|
|
|
|
1235
|
|
|
def wait(self, delay=100): |
1236
|
|
|
"""Wait delay in ms""" |
1237
|
|
|
curses.napms(delay) |
1238
|
|
|
|
1239
|
|
|
def get_stats_display_width(self, curse_msg, without_option=False): |
1240
|
|
|
"""Return the width of the formatted curses message.""" |
1241
|
|
|
try: |
1242
|
|
|
if without_option: |
1243
|
|
|
# Size without options |
1244
|
|
|
c = len( |
1245
|
|
|
max( |
1246
|
|
|
''.join( |
1247
|
|
|
[ |
1248
|
|
|
(u(u(nativestr(i['msg'])).encode('ascii', 'replace')) if not i['optional'] else "") |
1249
|
|
|
for i in curse_msg['msgdict'] |
1250
|
|
|
] |
1251
|
|
|
).split('\n'), |
1252
|
|
|
key=len, |
1253
|
|
|
) |
1254
|
|
|
) |
1255
|
|
|
else: |
1256
|
|
|
# Size with all options |
1257
|
|
|
c = len( |
1258
|
|
|
max( |
1259
|
|
|
''.join( |
1260
|
|
|
[u(u(nativestr(i['msg'])).encode('ascii', 'replace')) for i in curse_msg['msgdict']] |
1261
|
|
|
).split('\n'), |
1262
|
|
|
key=len, |
1263
|
|
|
) |
1264
|
|
|
) |
1265
|
|
|
except Exception as e: |
1266
|
|
|
logger.debug('ERROR: Can not compute plugin width ({})'.format(e)) |
1267
|
|
|
return 0 |
1268
|
|
|
else: |
1269
|
|
|
return c |
1270
|
|
|
|
1271
|
|
|
def get_stats_display_height(self, curse_msg): |
1272
|
|
|
"""Return the height of the formatted curses message. |
1273
|
|
|
|
1274
|
|
|
The height is defined by the number of '\n' (new line). |
1275
|
|
|
""" |
1276
|
|
|
try: |
1277
|
|
|
c = [i['msg'] for i in curse_msg['msgdict']].count('\n') |
1278
|
|
|
except Exception as e: |
1279
|
|
|
logger.debug('ERROR: Can not compute plugin height ({})'.format(e)) |
1280
|
|
|
return 0 |
1281
|
|
|
else: |
1282
|
|
|
return c + 1 |
1283
|
|
|
|
1284
|
|
|
|
1285
|
|
|
class GlancesCursesStandalone(_GlancesCurses): |
1286
|
|
|
|
1287
|
|
|
"""Class for the Glances curse standalone.""" |
1288
|
|
|
|
1289
|
|
|
|
1290
|
|
|
class GlancesCursesClient(_GlancesCurses): |
1291
|
|
|
|
1292
|
|
|
"""Class for the Glances curse client.""" |
1293
|
|
|
|
1294
|
|
|
|
1295
|
|
|
class GlancesTextbox(Textbox, object): |
1296
|
|
|
def __init__(self, *args, **kwargs): |
1297
|
|
|
super(GlancesTextbox, self).__init__(*args, **kwargs) |
1298
|
|
|
|
1299
|
|
|
def do_command(self, ch): |
1300
|
|
|
if ch == 10: # Enter |
1301
|
|
|
return 0 |
1302
|
|
|
if ch == 127: # Back |
1303
|
|
|
return 8 |
1304
|
|
|
return super(GlancesTextbox, self).do_command(ch) |
1305
|
|
|
|
1306
|
|
|
|
1307
|
|
|
class GlancesTextboxYesNo(Textbox, object): |
1308
|
|
|
def __init__(self, *args, **kwargs): |
1309
|
|
|
super(GlancesTextboxYesNo, self).__init__(*args, **kwargs) |
1310
|
|
|
|
1311
|
|
|
def do_command(self, ch): |
1312
|
|
|
return super(GlancesTextboxYesNo, self).do_command(ch) |
1313
|
|
|
|