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# |
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# This file is part of Glances. |
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# |
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# SPDX-FileCopyrightText: 2024 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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import getpass |
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import sys |
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from glances.events_list import glances_events |
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from glances.globals import MACOS, WINDOWS, disable, enable, itervalues, nativestr, u |
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from glances.logger import logger |
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from glances.outputs.glances_colors import GlancesColors |
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from glances.outputs.glances_unicode import unicode_message |
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from glances.processes import glances_processes, sort_processes_key_list |
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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: |
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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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'V': {'switch': 'disable_vms'}, |
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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 = 58 |
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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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'ports', |
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'wifi', |
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'connections', |
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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 = ['vms', '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(f"Curses library initialized with term: {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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logger.critical(f"Cannot init the curses library ({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.colors_list = GlancesColors(args).get() |
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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( |
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'outputs', 'separator', default=self.args.enable_separator |
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) |
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# Set the left sidebar list |
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self._left_sidebar = config.get_list_value('outputs', 'left_menu', 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 set_cursor(self, value): |
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"""Configure the curse cursor appearance. |
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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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# TODO: Check issue #163 |
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return window.getch() |
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def catch_actions_from_hotkey(self, hotkey): |
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if self.pressedkey == ord(hotkey) and 'switch' in self._hotkeys[hotkey]: |
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self._handle_switch(hotkey) |
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elif self.pressedkey == ord(hotkey) and 'sort_key' in self._hotkeys[hotkey]: |
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self._handle_sort_key(hotkey) |
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if self.pressedkey == ord(hotkey) and 'handler' in self._hotkeys[hotkey]: |
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action = getattr(self, self._hotkeys[hotkey]['handler']) |
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action() |
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def catch_other_actions_maybe_return_to_browser(self, return_to_browser): |
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if self.pressedkey == ord('e') and not self.args.programs: |
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self._handle_process_extended() |
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elif self.pressedkey == ord('k') and not self.args.disable_cursor: |
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self._handle_kill_process() |
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elif self.pressedkey == curses.KEY_LEFT: |
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self._handle_sort_left() |
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elif self.pressedkey == curses.KEY_RIGHT: |
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self._handle_sort_right() |
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elif self.pressedkey == curses.KEY_UP or self.pressedkey == 65 and not self.args.disable_cursor: |
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self._handle_cursor_up() |
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elif self.pressedkey == curses.KEY_DOWN or self.pressedkey == 66 and not self.args.disable_cursor: |
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self._handle_cursor_down() |
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elif self.pressedkey == ord('\x1b') or self.pressedkey == ord('q'): |
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self._handle_quit(return_to_browser) |
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elif self.pressedkey == curses.KEY_F5 or self.pressedkey == 18: |
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self._handle_refresh() |
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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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if self.pressedkey == -1: |
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return self.pressedkey |
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# Actions (available in the global hotkey dict)... |
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logger.debug(f"Keypressed (code: {self.pressedkey})") |
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[self.catch_actions_from_hotkey(hotkey) for hotkey in self._hotkeys] |
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# Other actions with key > 255 (ord will not work) and/or additional test... |
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self.catch_other_actions_maybe_return_to_browser(return_to_browser) |
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# Return the key code |
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return self.pressedkey |
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281
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def _handle_switch(self, hotkey): |
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option = '_'.join(self._hotkeys[hotkey]['switch'].split('_')[1:]) |
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if self._hotkeys[hotkey]['switch'].startswith('disable_'): |
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if getattr(self.args, self._hotkeys[hotkey]['switch']): |
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enable(self.args, option) |
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else: |
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disable(self.args, option) |
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elif self._hotkeys[hotkey]['switch'].startswith('enable_'): |
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if getattr(self.args, self._hotkeys[hotkey]['switch']): |
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disable(self.args, option) |
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else: |
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enable(self.args, option) |
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else: |
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setattr( |
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self.args, |
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self._hotkeys[hotkey]['switch'], |
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not getattr(self.args, self._hotkeys[hotkey]['switch']), |
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) |
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def _handle_sort_key(self, hotkey): |
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glances_processes.set_sort_key(self._hotkeys[hotkey]['sort_key'], self._hotkeys[hotkey]['sort_key'] == 'auto') |
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def _handle_enter(self): |
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self.edit_filter = not self.edit_filter |
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def _handle_quicklook(self): |
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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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309
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|
|
self.enable_fullquicklook() |
|
310
|
|
|
else: |
|
311
|
|
|
self.disable_fullquicklook() |
|
312
|
|
|
|
|
313
|
|
|
def _handle_top_menu(self): |
|
314
|
|
|
self.args.disable_top = not self.args.disable_top |
|
315
|
|
|
if self.args.disable_top: |
|
316
|
|
|
self.disable_top() |
|
317
|
|
|
else: |
|
318
|
|
|
self.enable_top() |
|
319
|
|
|
|
|
320
|
|
|
def _handle_process_extended(self): |
|
321
|
|
|
self.args.enable_process_extended = not self.args.enable_process_extended |
|
322
|
|
|
if not self.args.enable_process_extended: |
|
323
|
|
|
glances_processes.disable_extended() |
|
324
|
|
|
else: |
|
325
|
|
|
glances_processes.enable_extended() |
|
326
|
|
|
self.args.disable_cursor = self.args.enable_process_extended and self.args.is_standalone |
|
327
|
|
|
|
|
328
|
|
|
def _handle_erase_filter(self): |
|
329
|
|
|
glances_processes.process_filter = None |
|
330
|
|
|
|
|
331
|
|
|
def _handle_fs_stats(self): |
|
332
|
|
|
self.args.disable_fs = not self.args.disable_fs |
|
333
|
|
|
self.args.disable_folders = not self.args.disable_folders |
|
334
|
|
|
|
|
335
|
|
|
def _handle_increase_nice(self): |
|
336
|
|
|
self.increase_nice_process = not self.increase_nice_process |
|
337
|
|
|
|
|
338
|
|
|
def _handle_decrease_nice(self): |
|
339
|
|
|
self.decrease_nice_process = not self.decrease_nice_process |
|
340
|
|
|
|
|
341
|
|
|
def _handle_kill_process(self): |
|
342
|
|
|
self.kill_process = not self.kill_process |
|
343
|
|
|
|
|
344
|
|
|
def _handle_clean_logs(self): |
|
345
|
|
|
glances_events.clean() |
|
346
|
|
|
|
|
347
|
|
|
def _handle_clean_critical_logs(self): |
|
348
|
|
|
glances_events.clean(critical=True) |
|
349
|
|
|
|
|
350
|
|
|
def _handle_disable_process(self): |
|
351
|
|
|
self.args.disable_process = not self.args.disable_process |
|
352
|
|
|
if self.args.disable_process: |
|
353
|
|
|
glances_processes.disable() |
|
354
|
|
|
else: |
|
355
|
|
|
glances_processes.enable() |
|
356
|
|
|
|
|
357
|
|
|
def _handle_sort_left(self): |
|
358
|
|
|
next_sort = (self.loop_position() - 1) % len(self._sort_loop) |
|
359
|
|
|
glances_processes.set_sort_key(self._sort_loop[next_sort], False) |
|
360
|
|
|
|
|
361
|
|
|
def _handle_sort_right(self): |
|
362
|
|
|
next_sort = (self.loop_position() + 1) % len(self._sort_loop) |
|
363
|
|
|
glances_processes.set_sort_key(self._sort_loop[next_sort], False) |
|
364
|
|
|
|
|
365
|
|
|
def _handle_cursor_up(self): |
|
366
|
|
|
if self.args.cursor_position > 0: |
|
367
|
|
|
self.args.cursor_position -= 1 |
|
368
|
|
|
|
|
369
|
|
|
def _handle_cursor_down(self): |
|
370
|
|
|
if self.args.cursor_position < glances_processes.processes_count: |
|
371
|
|
|
self.args.cursor_position += 1 |
|
372
|
|
|
|
|
373
|
|
|
def _handle_quit(self, return_to_browser): |
|
374
|
|
|
if return_to_browser: |
|
375
|
|
|
logger.info("Stop Glances client and return to the browser") |
|
376
|
|
|
else: |
|
377
|
|
|
logger.info(f"Stop Glances (keypressed: {self.pressedkey})") |
|
378
|
|
|
|
|
379
|
|
|
def _handle_refresh(self): |
|
380
|
|
|
glances_processes.reset_internal_cache() |
|
381
|
|
|
|
|
382
|
|
|
def loop_position(self): |
|
383
|
|
|
"""Return the current sort in the loop""" |
|
384
|
|
|
for i, v in enumerate(self._sort_loop): |
|
385
|
|
|
if v == glances_processes.sort_key: |
|
386
|
|
|
return i |
|
387
|
|
|
return 0 |
|
388
|
|
|
|
|
389
|
|
|
def disable_top(self): |
|
390
|
|
|
"""Disable the top panel""" |
|
391
|
|
|
for p in ['quicklook', 'cpu', 'gpu', 'mem', 'memswap', 'load']: |
|
392
|
|
|
setattr(self.args, 'disable_' + p, True) |
|
393
|
|
|
|
|
394
|
|
|
def enable_top(self): |
|
395
|
|
|
"""Enable the top panel""" |
|
396
|
|
|
for p in ['quicklook', 'cpu', 'gpu', 'mem', 'memswap', 'load']: |
|
397
|
|
|
setattr(self.args, 'disable_' + p, False) |
|
398
|
|
|
|
|
399
|
|
|
def disable_fullquicklook(self): |
|
400
|
|
|
"""Disable the full quicklook mode""" |
|
401
|
|
|
for p in ['quicklook', 'cpu', 'gpu', 'mem', 'memswap']: |
|
402
|
|
|
setattr(self.args, 'disable_' + p, False) |
|
403
|
|
|
|
|
404
|
|
|
def enable_fullquicklook(self): |
|
405
|
|
|
"""Disable the full quicklook mode""" |
|
406
|
|
|
self.args.disable_quicklook = False |
|
407
|
|
|
for p in ['cpu', 'gpu', 'mem', 'memswap']: |
|
408
|
|
|
setattr(self.args, 'disable_' + p, True) |
|
409
|
|
|
|
|
410
|
|
|
def end(self): |
|
411
|
|
|
"""Shutdown the curses window.""" |
|
412
|
|
|
if hasattr(curses, 'echo'): |
|
413
|
|
|
curses.echo() |
|
414
|
|
|
if hasattr(curses, 'nocbreak'): |
|
415
|
|
|
curses.nocbreak() |
|
416
|
|
|
try: |
|
417
|
|
|
curses.curs_set(1) |
|
418
|
|
|
except Exception: |
|
419
|
|
|
pass |
|
420
|
|
|
try: |
|
421
|
|
|
curses.endwin() |
|
422
|
|
|
except Exception: |
|
423
|
|
|
pass |
|
424
|
|
|
|
|
425
|
|
|
def init_line_column(self): |
|
426
|
|
|
"""Init the line and column position for the curses interface.""" |
|
427
|
|
|
self.init_line() |
|
428
|
|
|
self.init_column() |
|
429
|
|
|
|
|
430
|
|
|
def init_line(self): |
|
431
|
|
|
"""Init the line position for the curses interface.""" |
|
432
|
|
|
self.line = 0 |
|
433
|
|
|
self.next_line = 0 |
|
434
|
|
|
|
|
435
|
|
|
def init_column(self): |
|
436
|
|
|
"""Init the column position for the curses interface.""" |
|
437
|
|
|
self.column = 0 |
|
438
|
|
|
self.next_column = 0 |
|
439
|
|
|
|
|
440
|
|
|
def new_line(self, separator=False): |
|
441
|
|
|
"""New line in the curses interface.""" |
|
442
|
|
|
self.line = self.next_line |
|
443
|
|
|
|
|
444
|
|
|
def new_column(self): |
|
445
|
|
|
"""New column in the curses interface.""" |
|
446
|
|
|
self.column = self.next_column |
|
447
|
|
|
|
|
448
|
|
|
def separator_line(self, color='SEPARATOR'): |
|
449
|
|
|
"""Add a separator line in the curses interface.""" |
|
450
|
|
|
if not self.args.enable_separator: |
|
451
|
|
|
return |
|
452
|
|
|
self.new_line() |
|
453
|
|
|
self.line -= 1 |
|
454
|
|
|
line_width = self.term_window.getmaxyx()[1] - self.column |
|
455
|
|
|
if self.line >= 0 and self.line < self.term_window.getmaxyx()[0]: |
|
456
|
|
|
position = [self.line, self.column] |
|
457
|
|
|
line_color = self.colors_list[color] |
|
458
|
|
|
line_type = curses.ACS_HLINE if not self.args.disable_unicode else unicode_message('MEDIUM_LINE', self.args) |
|
459
|
|
|
self.term_window.hline( |
|
460
|
|
|
*position, |
|
461
|
|
|
line_type, |
|
462
|
|
|
line_width, |
|
463
|
|
|
line_color, |
|
464
|
|
|
) |
|
465
|
|
|
|
|
466
|
|
|
def __get_stat_display(self, stats, layer): |
|
467
|
|
|
"""Return a dict of dict with all the stats display. |
|
468
|
|
|
# TODO: Drop extra parameter |
|
469
|
|
|
|
|
470
|
|
|
:param stats: Global stats dict |
|
471
|
|
|
:param layer: ~ cs_status |
|
472
|
|
|
"None": standalone or server mode |
|
473
|
|
|
"Connected": Client is connected to a Glances server |
|
474
|
|
|
"SNMP": Client is connected to a SNMP server |
|
475
|
|
|
"Disconnected": Client is disconnected from the server |
|
476
|
|
|
|
|
477
|
|
|
:returns: dict of dict |
|
478
|
|
|
* key: plugin name |
|
479
|
|
|
* value: dict returned by the get_stats_display Plugin method |
|
480
|
|
|
""" |
|
481
|
|
|
ret = {} |
|
482
|
|
|
|
|
483
|
|
|
for p in stats.getPluginsList(enable=False): |
|
484
|
|
|
# Ignore Quicklook because it is compute later in __display_top |
|
485
|
|
|
if p == 'quicklook': |
|
486
|
|
|
continue |
|
487
|
|
|
|
|
488
|
|
|
# Compute the plugin max size for the left sidebar |
|
489
|
|
|
plugin_max_width = None |
|
490
|
|
|
if p in self._left_sidebar: |
|
491
|
|
|
plugin_max_width = min( |
|
492
|
|
|
self._left_sidebar_max_width, |
|
493
|
|
|
max(self._left_sidebar_min_width, self.term_window.getmaxyx()[1] - 105), |
|
494
|
|
|
) |
|
495
|
|
|
|
|
496
|
|
|
# Get the view |
|
497
|
|
|
ret[p] = stats.get_plugin(p).get_stats_display(args=self.args, max_width=plugin_max_width) |
|
498
|
|
|
|
|
499
|
|
|
return ret |
|
500
|
|
|
|
|
501
|
|
|
def display(self, stats, cs_status=None): |
|
502
|
|
|
"""Display stats on the screen. |
|
503
|
|
|
|
|
504
|
|
|
:param stats: Stats database to display |
|
505
|
|
|
:param cs_status: |
|
506
|
|
|
"None": standalone or server mode |
|
507
|
|
|
"Connected": Client is connected to a Glances server |
|
508
|
|
|
"SNMP": Client is connected to a SNMP server |
|
509
|
|
|
"Disconnected": Client is disconnected from the server |
|
510
|
|
|
|
|
511
|
|
|
:return: True if the stats have been displayed else False if the help have been displayed |
|
512
|
|
|
""" |
|
513
|
|
|
# Init the internal line/column for Glances Curses |
|
514
|
|
|
self.init_line_column() |
|
515
|
|
|
|
|
516
|
|
|
# Update the stats messages |
|
517
|
|
|
########################### |
|
518
|
|
|
|
|
519
|
|
|
# Get all the plugins view |
|
520
|
|
|
self.args.cs_status = cs_status |
|
521
|
|
|
__stat_display = self.__get_stat_display(stats, layer=cs_status) |
|
522
|
|
|
|
|
523
|
|
|
# Display the stats on the curses interface |
|
524
|
|
|
########################################### |
|
525
|
|
|
|
|
526
|
|
|
# Help screen (on top of the other stats) |
|
527
|
|
|
if self.args.help_tag: |
|
528
|
|
|
# Display the stats... |
|
529
|
|
|
self.display_plugin(stats.get_plugin('help').get_stats_display(args=self.args)) |
|
530
|
|
|
# ... and exit |
|
531
|
|
|
return False |
|
532
|
|
|
|
|
533
|
|
|
# ======================================= |
|
534
|
|
|
# Display first line (system+ip+uptime) |
|
535
|
|
|
# Optionally: Cloud is on the second line |
|
536
|
|
|
# ======================================= |
|
537
|
|
|
self.__display_header(__stat_display) |
|
538
|
|
|
self.separator_line() |
|
539
|
|
|
|
|
540
|
|
|
# ============================================================== |
|
541
|
|
|
# Display second line (<SUMMARY>+CPU|PERCPU+<GPU>+LOAD+MEM+SWAP) |
|
542
|
|
|
# ============================================================== |
|
543
|
|
|
self.__display_top(__stat_display, stats) |
|
544
|
|
|
self.init_column() |
|
545
|
|
|
self.separator_line() |
|
546
|
|
|
|
|
547
|
|
|
# ================================================================== |
|
548
|
|
|
# Display left sidebar (NETWORK+PORTS+DISKIO+FS+SENSORS+Current time) |
|
549
|
|
|
# ================================================================== |
|
550
|
|
|
self.__display_left(__stat_display) |
|
551
|
|
|
|
|
552
|
|
|
# ==================================== |
|
553
|
|
|
# Display right stats (process and co) |
|
554
|
|
|
# ==================================== |
|
555
|
|
|
self.__display_right(__stat_display) |
|
556
|
|
|
|
|
557
|
|
|
# ===================== |
|
558
|
|
|
# Others popup messages |
|
559
|
|
|
# ===================== |
|
560
|
|
|
|
|
561
|
|
|
# Display edit filter popup |
|
562
|
|
|
# Only in standalone mode (cs_status is None) |
|
563
|
|
|
if self.edit_filter and cs_status is None: |
|
564
|
|
|
new_filter = self.display_popup( |
|
565
|
|
|
'Process filter pattern: \n\n' |
|
566
|
|
|
+ 'Examples:\n' |
|
567
|
|
|
+ '- .*python.*\n' |
|
568
|
|
|
+ '- /usr/lib.*\n' |
|
569
|
|
|
+ '- name:.*nautilus.*\n' |
|
570
|
|
|
+ '- cmdline:.*glances.*\n' |
|
571
|
|
|
+ '- username:nicolargo\n' |
|
572
|
|
|
+ '- username:^root ', |
|
573
|
|
|
popup_type='input', |
|
574
|
|
|
input_value=glances_processes.process_filter_input, |
|
575
|
|
|
) |
|
576
|
|
|
glances_processes.process_filter = new_filter |
|
577
|
|
|
elif self.edit_filter and cs_status is not None: |
|
578
|
|
|
self.display_popup('Process filter only available in standalone mode') |
|
579
|
|
|
self.edit_filter = False |
|
580
|
|
|
|
|
581
|
|
|
# Manage increase/decrease nice level of the selected process |
|
582
|
|
|
# Only in standalone mode (cs_status is None) |
|
583
|
|
|
if self.increase_nice_process and cs_status is None: |
|
584
|
|
|
self.nice_increase(stats.get_plugin('processlist').get_raw()[self.args.cursor_position]) |
|
585
|
|
|
self.increase_nice_process = False |
|
586
|
|
|
if self.decrease_nice_process and cs_status is None: |
|
587
|
|
|
self.nice_decrease(stats.get_plugin('processlist').get_raw()[self.args.cursor_position]) |
|
588
|
|
|
self.decrease_nice_process = False |
|
589
|
|
|
|
|
590
|
|
|
# Display kill process confirmation popup |
|
591
|
|
|
# Only in standalone mode (cs_status is None) |
|
592
|
|
|
if self.kill_process and cs_status is None: |
|
593
|
|
|
self.kill(stats.get_plugin('processlist').get_raw()[self.args.cursor_position]) |
|
594
|
|
|
elif self.kill_process and cs_status is not None: |
|
595
|
|
|
self.display_popup('Kill process only available for local processes') |
|
596
|
|
|
self.kill_process = False |
|
597
|
|
|
|
|
598
|
|
|
# Display graph generation popup |
|
599
|
|
|
if self.args.generate_graph: |
|
600
|
|
|
if 'graph' in stats.getExportsList(): |
|
601
|
|
|
self.display_popup(f'Generate graph in {self.args.export_graph_path}') |
|
602
|
|
|
else: |
|
603
|
|
|
logger.warning('Graph export module is disable. Run Glances with --export graph to enable it.') |
|
604
|
|
|
self.args.generate_graph = False |
|
605
|
|
|
|
|
606
|
|
|
return True |
|
607
|
|
|
|
|
608
|
|
|
def nice_increase(self, process): |
|
609
|
|
|
glances_processes.nice_increase(process['pid']) |
|
610
|
|
|
|
|
611
|
|
|
def nice_decrease(self, process): |
|
612
|
|
|
glances_processes.nice_decrease(process['pid']) |
|
613
|
|
|
|
|
614
|
|
|
def kill(self, process): |
|
615
|
|
|
"""Kill a process, or a list of process if the process has a childrens field. |
|
616
|
|
|
|
|
617
|
|
|
:param process |
|
618
|
|
|
:return: None |
|
619
|
|
|
""" |
|
620
|
|
|
logger.debug(f"Selected process to kill: {process}") |
|
621
|
|
|
|
|
622
|
|
|
if 'childrens' in process: |
|
623
|
|
|
pid_to_kill = process['childrens'] |
|
624
|
|
|
else: |
|
625
|
|
|
pid_to_kill = [process['pid']] |
|
626
|
|
|
|
|
627
|
|
|
confirm = self.display_popup( |
|
628
|
|
|
'Kill process: {} (pid: {}) ?\n\nConfirm ([y]es/[n]o): '.format( |
|
629
|
|
|
process['name'], |
|
630
|
|
|
', '.join(map(str, pid_to_kill)), |
|
631
|
|
|
), |
|
632
|
|
|
popup_type='yesno', |
|
633
|
|
|
) |
|
634
|
|
|
|
|
635
|
|
|
if confirm.lower().startswith('y'): |
|
636
|
|
|
for pid in pid_to_kill: |
|
637
|
|
|
try: |
|
638
|
|
|
ret_kill = glances_processes.kill(pid) |
|
639
|
|
|
except Exception as e: |
|
640
|
|
|
logger.error(f'Can not kill process {pid} ({e})') |
|
641
|
|
|
else: |
|
642
|
|
|
logger.info(f'Kill signal has been sent to process {pid} (return code: {ret_kill})') |
|
643
|
|
|
|
|
644
|
|
|
def __display_header(self, stat_display): |
|
645
|
|
|
"""Display the firsts lines (header) in the Curses interface. |
|
646
|
|
|
|
|
647
|
|
|
system + ip + uptime |
|
648
|
|
|
(cloud) |
|
649
|
|
|
""" |
|
650
|
|
|
# First line |
|
651
|
|
|
self.new_line() |
|
652
|
|
|
self.space_between_column = 0 |
|
653
|
|
|
l_uptime = 1 |
|
654
|
|
|
for i in ['system', 'ip', 'uptime']: |
|
655
|
|
|
if i in stat_display: |
|
656
|
|
|
l_uptime += self.get_stats_display_width(stat_display[i]) |
|
657
|
|
|
self.display_plugin(stat_display["system"], display_optional=(self.term_window.getmaxyx()[1] >= l_uptime)) |
|
658
|
|
|
self.space_between_column = 3 |
|
659
|
|
|
if 'ip' in stat_display: |
|
660
|
|
|
self.new_column() |
|
661
|
|
|
self.display_plugin(stat_display["ip"], display_optional=(self.term_window.getmaxyx()[1] >= 100)) |
|
662
|
|
|
self.new_column() |
|
663
|
|
|
self.display_plugin( |
|
664
|
|
|
stat_display["uptime"], add_space=-(self.get_stats_display_width(stat_display["cloud"]) != 0) |
|
665
|
|
|
) |
|
666
|
|
|
self.init_column() |
|
667
|
|
|
if self.get_stats_display_width(stat_display["cloud"]) != 0: |
|
668
|
|
|
# Second line (optional) |
|
669
|
|
|
self.new_line() |
|
670
|
|
|
self.display_plugin(stat_display["cloud"]) |
|
671
|
|
|
|
|
672
|
|
|
def __display_top(self, stat_display, stats): |
|
673
|
|
|
"""Display the second line in the Curses interface. |
|
674
|
|
|
|
|
675
|
|
|
<QUICKLOOK> + CPU|PERCPU + <GPU> + MEM + SWAP + LOAD |
|
676
|
|
|
""" |
|
677
|
|
|
self.init_column() |
|
678
|
|
|
self.new_line() |
|
679
|
|
|
|
|
680
|
|
|
# Init quicklook |
|
681
|
|
|
stat_display['quicklook'] = {'msgdict': []} |
|
682
|
|
|
|
|
683
|
|
|
# Dict for plugins width |
|
684
|
|
|
plugin_widths = {} |
|
685
|
|
|
for p in self._top: |
|
686
|
|
|
plugin_widths[p] = ( |
|
687
|
|
|
self.get_stats_display_width(stat_display.get(p, 0)) if hasattr(self.args, 'disable_' + p) else 0 |
|
688
|
|
|
) |
|
689
|
|
|
|
|
690
|
|
|
# Width of all plugins |
|
691
|
|
|
stats_width = sum(itervalues(plugin_widths)) |
|
692
|
|
|
|
|
693
|
|
|
# Number of plugin but quicklook |
|
694
|
|
|
stats_number = sum( |
|
695
|
|
|
[int(stat_display[p]['msgdict'] != []) for p in self._top if not getattr(self.args, 'disable_' + p)] |
|
696
|
|
|
) |
|
697
|
|
|
|
|
698
|
|
|
if not self.args.disable_quicklook: |
|
699
|
|
|
# Quick look is in the place ! |
|
700
|
|
|
if self.args.full_quicklook: |
|
701
|
|
|
quicklook_width = self.term_window.getmaxyx()[1] - ( |
|
702
|
|
|
stats_width + 8 + stats_number * self.space_between_column |
|
703
|
|
|
) |
|
704
|
|
|
else: |
|
705
|
|
|
quicklook_width = min( |
|
706
|
|
|
self.term_window.getmaxyx()[1] - (stats_width + 8 + stats_number * self.space_between_column), |
|
707
|
|
|
self._quicklook_max_width - 5, |
|
708
|
|
|
) |
|
709
|
|
|
try: |
|
710
|
|
|
stat_display["quicklook"] = stats.get_plugin('quicklook').get_stats_display( |
|
711
|
|
|
max_width=quicklook_width, args=self.args |
|
712
|
|
|
) |
|
713
|
|
|
except AttributeError as e: |
|
714
|
|
|
logger.debug(f"Quicklook plugin not available ({e})") |
|
715
|
|
|
else: |
|
716
|
|
|
plugin_widths['quicklook'] = self.get_stats_display_width(stat_display["quicklook"]) |
|
717
|
|
|
stats_width = sum(itervalues(plugin_widths)) + 1 |
|
718
|
|
|
self.space_between_column = 1 |
|
719
|
|
|
self.display_plugin(stat_display["quicklook"]) |
|
720
|
|
|
self.new_column() |
|
721
|
|
|
|
|
722
|
|
|
# Compute spaces between plugins |
|
723
|
|
|
# Note: Only one space between Quicklook and others |
|
724
|
|
|
plugin_display_optional = {} |
|
725
|
|
|
for p in self._top: |
|
726
|
|
|
plugin_display_optional[p] = True |
|
727
|
|
|
if stats_number > 1: |
|
728
|
|
|
self.space_between_column = max(1, int((self.term_window.getmaxyx()[1] - stats_width) / (stats_number - 1))) |
|
729
|
|
|
for p in ['mem', 'cpu']: |
|
730
|
|
|
# No space ? Remove optional stats |
|
731
|
|
|
if self.space_between_column < 3: |
|
732
|
|
|
plugin_display_optional[p] = False |
|
733
|
|
|
plugin_widths[p] = ( |
|
734
|
|
|
self.get_stats_display_width(stat_display[p], without_option=True) |
|
735
|
|
|
if hasattr(self.args, 'disable_' + p) |
|
736
|
|
|
else 0 |
|
737
|
|
|
) |
|
738
|
|
|
stats_width = sum(itervalues(plugin_widths)) + 1 |
|
739
|
|
|
self.space_between_column = max( |
|
740
|
|
|
1, int((self.term_window.getmaxyx()[1] - stats_width) / (stats_number - 1)) |
|
741
|
|
|
) |
|
742
|
|
|
else: |
|
743
|
|
|
self.space_between_column = 0 |
|
744
|
|
|
|
|
745
|
|
|
# Display CPU, MEM, SWAP and LOAD |
|
746
|
|
|
for p in self._top: |
|
747
|
|
|
if p == 'quicklook': |
|
748
|
|
|
continue |
|
749
|
|
|
if p in stat_display: |
|
750
|
|
|
self.display_plugin(stat_display[p], display_optional=plugin_display_optional[p]) |
|
751
|
|
|
if p != 'load': |
|
752
|
|
|
# Skip last column |
|
753
|
|
|
self.new_column() |
|
754
|
|
|
|
|
755
|
|
|
# Space between column |
|
756
|
|
|
self.space_between_column = 3 |
|
757
|
|
|
|
|
758
|
|
|
# Backup line position |
|
759
|
|
|
self.saved_line = self.next_line |
|
760
|
|
|
|
|
761
|
|
|
def __display_left(self, stat_display): |
|
762
|
|
|
"""Display the left sidebar in the Curses interface.""" |
|
763
|
|
|
self.init_column() |
|
764
|
|
|
|
|
765
|
|
|
if self.args.disable_left_sidebar: |
|
766
|
|
|
return |
|
767
|
|
|
|
|
768
|
|
|
for p in self._left_sidebar: |
|
769
|
|
|
if (hasattr(self.args, 'enable_' + p) or hasattr(self.args, 'disable_' + p)) and p in stat_display: |
|
770
|
|
|
self.new_line() |
|
771
|
|
|
if p == 'sensors': |
|
772
|
|
|
self.display_plugin( |
|
773
|
|
|
stat_display['sensors'], |
|
774
|
|
|
max_y=(self.term_window.getmaxyx()[0] - self.get_stats_display_height(stat_display['now']) - 2), |
|
775
|
|
|
) |
|
776
|
|
|
else: |
|
777
|
|
|
self.display_plugin(stat_display[p]) |
|
778
|
|
|
|
|
779
|
|
|
def __display_right(self, stat_display): |
|
780
|
|
|
"""Display the right sidebar in the Curses interface. |
|
781
|
|
|
|
|
782
|
|
|
docker + processcount + amps + processlist + alert |
|
783
|
|
|
""" |
|
784
|
|
|
# Do not display anything if space is not available... |
|
785
|
|
|
if self.term_window.getmaxyx()[1] < self._left_sidebar_min_width: |
|
786
|
|
|
return |
|
787
|
|
|
|
|
788
|
|
|
# Restore line position |
|
789
|
|
|
self.next_line = self.saved_line |
|
790
|
|
|
|
|
791
|
|
|
# Display right sidebar |
|
792
|
|
|
self.new_column() |
|
793
|
|
|
for p in self._right_sidebar: |
|
794
|
|
|
if (hasattr(self.args, 'enable_' + p) or hasattr(self.args, 'disable_' + p)) and p in stat_display: |
|
795
|
|
|
self.new_line() |
|
796
|
|
|
if p == 'processlist': |
|
797
|
|
|
self.display_plugin( |
|
798
|
|
|
stat_display['processlist'], |
|
799
|
|
|
display_optional=(self.term_window.getmaxyx()[1] > 102), |
|
800
|
|
|
display_additional=(not MACOS), |
|
801
|
|
|
max_y=( |
|
802
|
|
|
self.term_window.getmaxyx()[0] - self.get_stats_display_height(stat_display['alert']) - 2 |
|
803
|
|
|
), |
|
804
|
|
|
) |
|
805
|
|
|
else: |
|
806
|
|
|
self.display_plugin(stat_display[p]) |
|
807
|
|
|
|
|
808
|
|
|
def display_popup( |
|
809
|
|
|
self, |
|
810
|
|
|
message, |
|
811
|
|
|
size_x=None, |
|
812
|
|
|
size_y=None, |
|
813
|
|
|
duration=3, |
|
814
|
|
|
popup_type='info', |
|
815
|
|
|
input_size=30, |
|
816
|
|
|
input_value=None, |
|
817
|
|
|
is_password=False, |
|
818
|
|
|
): |
|
819
|
|
|
""" |
|
820
|
|
|
Display a centered popup. |
|
821
|
|
|
|
|
822
|
|
|
popup_type: ='info' |
|
823
|
|
|
Just an information popup, no user interaction |
|
824
|
|
|
Display a centered popup with the given message during duration seconds |
|
825
|
|
|
If size_x and size_y: set the popup size |
|
826
|
|
|
else set it automatically |
|
827
|
|
|
Return True if the popup could be displayed |
|
828
|
|
|
|
|
829
|
|
|
popup_type='input' |
|
830
|
|
|
Display a centered popup with the given message and a input field |
|
831
|
|
|
If size_x and size_y: set the popup size |
|
832
|
|
|
else set it automatically |
|
833
|
|
|
Return the input string or None if the field is empty |
|
834
|
|
|
|
|
835
|
|
|
popup_type='yesno' |
|
836
|
|
|
Display a centered popup with the given message |
|
837
|
|
|
If size_x and size_y: set the popup size |
|
838
|
|
|
else set it automatically |
|
839
|
|
|
Return True (yes) or False (no) |
|
840
|
|
|
""" |
|
841
|
|
|
# Center the popup |
|
842
|
|
|
sentence_list = message.split('\n') |
|
843
|
|
|
if size_x is None: |
|
844
|
|
|
size_x = len(max(sentence_list, key=len)) + 4 |
|
845
|
|
|
# Add space for the input field |
|
846
|
|
|
if popup_type == 'input': |
|
847
|
|
|
size_x += input_size |
|
848
|
|
|
if size_y is None: |
|
849
|
|
|
size_y = len(sentence_list) + 4 |
|
850
|
|
|
screen_x = self.term_window.getmaxyx()[1] |
|
851
|
|
|
screen_y = self.term_window.getmaxyx()[0] |
|
852
|
|
|
if size_x > screen_x or size_y > screen_y: |
|
853
|
|
|
# No size to display the popup => abord |
|
854
|
|
|
return False |
|
855
|
|
|
pos_x = int((screen_x - size_x) / 2) |
|
856
|
|
|
pos_y = int((screen_y - size_y) / 2) |
|
857
|
|
|
|
|
858
|
|
|
# Create the popup |
|
859
|
|
|
popup = curses.newwin(size_y, size_x, pos_y, pos_x) |
|
860
|
|
|
|
|
861
|
|
|
# Fill the popup |
|
862
|
|
|
popup.border() |
|
863
|
|
|
|
|
864
|
|
|
# Add the message |
|
865
|
|
|
for y, m in enumerate(sentence_list): |
|
866
|
|
|
if len(m) > 0: |
|
867
|
|
|
popup.addnstr(2 + y, 2, m, len(m)) |
|
868
|
|
|
|
|
869
|
|
|
if popup_type == 'info': |
|
870
|
|
|
# Display the popup |
|
871
|
|
|
popup.refresh() |
|
872
|
|
|
self.wait(duration * 1000) |
|
873
|
|
|
return True |
|
874
|
|
|
|
|
875
|
|
|
if popup_type == 'input': |
|
876
|
|
|
logger.info(popup_type) |
|
877
|
|
|
logger.info(is_password) |
|
878
|
|
|
# Create a sub-window for the text field |
|
879
|
|
|
sub_pop = popup.derwin(1, input_size, 2, 2 + len(m)) |
|
|
|
|
|
|
880
|
|
|
sub_pop.attron(self.colors_list['FILTER']) |
|
881
|
|
|
# Init the field with the current value |
|
882
|
|
|
if input_value is not None: |
|
883
|
|
|
sub_pop.addnstr(0, 0, input_value, len(input_value)) |
|
884
|
|
|
# Display the popup |
|
885
|
|
|
popup.refresh() |
|
886
|
|
|
sub_pop.refresh() |
|
887
|
|
|
# Create the textbox inside the sub-windows |
|
888
|
|
|
self.set_cursor(2) |
|
889
|
|
|
self.term_window.keypad(1) |
|
890
|
|
|
if is_password: |
|
891
|
|
|
textbox = getpass.getpass('') |
|
892
|
|
|
self.set_cursor(0) |
|
893
|
|
|
if textbox != '': |
|
894
|
|
|
return textbox |
|
895
|
|
|
return None |
|
896
|
|
|
|
|
897
|
|
|
# No password |
|
898
|
|
|
textbox = GlancesTextbox(sub_pop, insert_mode=True) |
|
899
|
|
|
textbox.edit() |
|
900
|
|
|
self.set_cursor(0) |
|
901
|
|
|
if textbox.gather() != '': |
|
902
|
|
|
return textbox.gather()[:-1] |
|
903
|
|
|
return None |
|
904
|
|
|
|
|
905
|
|
|
if popup_type == 'yesno': |
|
906
|
|
|
# # Create a sub-window for the text field |
|
907
|
|
|
sub_pop = popup.derwin(1, 2, len(sentence_list) + 1, len(m) + 2) |
|
908
|
|
|
sub_pop.attron(self.colors_list['FILTER']) |
|
909
|
|
|
# Init the field with the current value |
|
910
|
|
|
sub_pop.addnstr(0, 0, '', 0) |
|
911
|
|
|
# Display the popup |
|
912
|
|
|
popup.refresh() |
|
913
|
|
|
sub_pop.refresh() |
|
914
|
|
|
# Create the textbox inside the sub-windows |
|
915
|
|
|
self.set_cursor(2) |
|
916
|
|
|
self.term_window.keypad(1) |
|
917
|
|
|
textbox = GlancesTextboxYesNo(sub_pop, insert_mode=False) |
|
918
|
|
|
textbox.edit() |
|
919
|
|
|
self.set_cursor(0) |
|
920
|
|
|
# self.term_window.keypad(0) |
|
921
|
|
|
return textbox.gather() |
|
922
|
|
|
|
|
923
|
|
|
return None |
|
924
|
|
|
|
|
925
|
|
|
def display_plugin(self, plugin_stats, display_optional=True, display_additional=True, max_y=65535, add_space=0): |
|
926
|
|
|
"""Display the plugin_stats on the screen. |
|
927
|
|
|
|
|
928
|
|
|
:param plugin_stats: |
|
929
|
|
|
:param display_optional: display the optional stats if True |
|
930
|
|
|
:param display_additional: display additional stats if True |
|
931
|
|
|
:param max_y: do not display line > max_y |
|
932
|
|
|
:param add_space: add x space (line) after the plugin |
|
933
|
|
|
""" |
|
934
|
|
|
# Exit if: |
|
935
|
|
|
# - the plugin_stats message is empty |
|
936
|
|
|
# - the display tag = False |
|
937
|
|
|
if plugin_stats is None or not plugin_stats['msgdict'] or not plugin_stats['display']: |
|
938
|
|
|
# Exit |
|
939
|
|
|
return 0 |
|
940
|
|
|
|
|
941
|
|
|
# Get the screen size |
|
942
|
|
|
screen_x = self.term_window.getmaxyx()[1] |
|
943
|
|
|
screen_y = self.term_window.getmaxyx()[0] |
|
944
|
|
|
|
|
945
|
|
|
# Set the upper/left position of the message |
|
946
|
|
|
if plugin_stats['align'] == 'right': |
|
947
|
|
|
# Right align (last column) |
|
948
|
|
|
display_x = screen_x - self.get_stats_display_width(plugin_stats) |
|
949
|
|
|
else: |
|
950
|
|
|
display_x = self.column |
|
951
|
|
|
if plugin_stats['align'] == 'bottom': |
|
952
|
|
|
# Bottom (last line) |
|
953
|
|
|
display_y = screen_y - self.get_stats_display_height(plugin_stats) |
|
954
|
|
|
else: |
|
955
|
|
|
display_y = self.line |
|
956
|
|
|
|
|
957
|
|
|
# Display |
|
958
|
|
|
x = display_x |
|
959
|
|
|
x_max = x |
|
960
|
|
|
y = display_y |
|
961
|
|
|
for m in plugin_stats['msgdict']: |
|
962
|
|
|
# New line |
|
963
|
|
|
try: |
|
964
|
|
|
if m['msg'].startswith('\n'): |
|
965
|
|
|
# Go to the next line |
|
966
|
|
|
y += 1 |
|
967
|
|
|
# Return to the first column |
|
968
|
|
|
x = display_x |
|
969
|
|
|
continue |
|
970
|
|
|
except Exception: |
|
971
|
|
|
# Avoid exception (see issue #1692) |
|
972
|
|
|
pass |
|
973
|
|
|
# Do not display outside the screen |
|
974
|
|
|
if x < 0: |
|
975
|
|
|
continue |
|
976
|
|
|
if not m['splittable'] and (x + len(m['msg']) > screen_x): |
|
977
|
|
|
continue |
|
978
|
|
|
if y < 0 or (y + 1 > screen_y) or (y > max_y): |
|
979
|
|
|
break |
|
980
|
|
|
# If display_optional = False do not display optional stats |
|
981
|
|
|
if not display_optional and m['optional']: |
|
982
|
|
|
continue |
|
983
|
|
|
# If display_additional = False do not display additional stats |
|
984
|
|
|
if not display_additional and m['additional']: |
|
985
|
|
|
continue |
|
986
|
|
|
# Is it possible to display the stat with the current screen size |
|
987
|
|
|
# !!! Crash if not try/except... Why ??? |
|
988
|
|
|
try: |
|
989
|
|
|
self.term_window.addnstr( |
|
990
|
|
|
y, |
|
991
|
|
|
x, |
|
992
|
|
|
m['msg'], |
|
993
|
|
|
# Do not display outside the screen |
|
994
|
|
|
screen_x - x, |
|
995
|
|
|
self.colors_list[m['decoration']], |
|
996
|
|
|
) |
|
997
|
|
|
except Exception: |
|
998
|
|
|
pass |
|
999
|
|
|
else: |
|
1000
|
|
|
# New column |
|
1001
|
|
|
# Python 2: we need to decode to get real screen size because |
|
1002
|
|
|
# UTF-8 special tree chars occupy several bytes. |
|
1003
|
|
|
# Python 3: strings are strings and bytes are bytes, all is |
|
1004
|
|
|
# good. |
|
1005
|
|
|
try: |
|
1006
|
|
|
x += len(u(m['msg'])) |
|
1007
|
|
|
except UnicodeDecodeError: |
|
1008
|
|
|
# Quick and dirty hack for issue #745 |
|
1009
|
|
|
pass |
|
1010
|
|
|
if x > x_max: |
|
1011
|
|
|
x_max = x |
|
1012
|
|
|
|
|
1013
|
|
|
# Compute the next Glances column/line position |
|
1014
|
|
|
self.next_column = max(self.next_column, x_max + self.space_between_column) |
|
1015
|
|
|
self.next_line = max(self.next_line, y + self.space_between_line) |
|
1016
|
|
|
|
|
1017
|
|
|
# Have empty lines after the plugins |
|
1018
|
|
|
self.next_line += add_space |
|
1019
|
|
|
return None |
|
1020
|
|
|
|
|
1021
|
|
|
def clear(self): |
|
1022
|
|
|
"""Erase the content of the screen. |
|
1023
|
|
|
The difference is that clear() also calls clearok(). clearok() |
|
1024
|
|
|
basically tells ncurses to forget whatever it knows about the current |
|
1025
|
|
|
terminal contents, so that when refresh() is called, it will actually |
|
1026
|
|
|
begin by clearing the entire terminal screen before redrawing any of it.""" |
|
1027
|
|
|
self.term_window.clear() |
|
1028
|
|
|
|
|
1029
|
|
|
def erase(self): |
|
1030
|
|
|
"""Erase the content of the screen. |
|
1031
|
|
|
erase() on the other hand, just clears the screen (the internal |
|
1032
|
|
|
object, not the terminal screen). When refresh() is later called, |
|
1033
|
|
|
ncurses will still compute the minimum number of characters to send to |
|
1034
|
|
|
update the terminal.""" |
|
1035
|
|
|
self.term_window.erase() |
|
1036
|
|
|
|
|
1037
|
|
|
def refresh(self): |
|
1038
|
|
|
"""Refresh the windows""" |
|
1039
|
|
|
self.term_window.refresh() |
|
1040
|
|
|
|
|
1041
|
|
|
def flush(self, stats, cs_status=None): |
|
1042
|
|
|
"""Erase and update the screen. |
|
1043
|
|
|
|
|
1044
|
|
|
:param stats: Stats database to display |
|
1045
|
|
|
:param cs_status: |
|
1046
|
|
|
"None": standalone or server mode |
|
1047
|
|
|
"Connected": Client is connected to the server |
|
1048
|
|
|
"Disconnected": Client is disconnected from the server |
|
1049
|
|
|
""" |
|
1050
|
|
|
# See https://stackoverflow.com/a/43486979/1919431 |
|
1051
|
|
|
self.erase() |
|
1052
|
|
|
self.display(stats, cs_status=cs_status) |
|
1053
|
|
|
self.refresh() |
|
1054
|
|
|
|
|
1055
|
|
|
def update(self, stats, duration=3, cs_status=None, return_to_browser=False): |
|
1056
|
|
|
"""Update the screen. |
|
1057
|
|
|
|
|
1058
|
|
|
:param stats: Stats database to display |
|
1059
|
|
|
:param duration: duration of the loop |
|
1060
|
|
|
:param cs_status: |
|
1061
|
|
|
"None": standalone or server mode |
|
1062
|
|
|
"Connected": Client is connected to the server |
|
1063
|
|
|
"Disconnected": Client is disconnected from the server |
|
1064
|
|
|
:param return_to_browser: |
|
1065
|
|
|
True: Do not exist, return to the browser list |
|
1066
|
|
|
False: Exit and return to the shell |
|
1067
|
|
|
|
|
1068
|
|
|
:return: True if exit key has been pressed else False |
|
1069
|
|
|
""" |
|
1070
|
|
|
# Flush display |
|
1071
|
|
|
self.flush(stats, cs_status=cs_status) |
|
1072
|
|
|
|
|
1073
|
|
|
# If the duration is < 0 (update + export time > refresh_time) |
|
1074
|
|
|
# Then display the interface and log a message |
|
1075
|
|
|
if duration <= 0: |
|
1076
|
|
|
logger.warning('Update and export time higher than refresh_time.') |
|
1077
|
|
|
duration = 0.1 |
|
1078
|
|
|
|
|
1079
|
|
|
# Wait duration (in s) time |
|
1080
|
|
|
isexitkey = False |
|
1081
|
|
|
countdown = Timer(duration) |
|
1082
|
|
|
# Set the default timeout (in ms) between two getch |
|
1083
|
|
|
self.term_window.timeout(100) |
|
1084
|
|
|
while not countdown.finished() and not isexitkey: |
|
1085
|
|
|
# Getkey |
|
1086
|
|
|
pressedkey = self.__catch_key(return_to_browser=return_to_browser) |
|
1087
|
|
|
isexitkey = pressedkey == ord('\x1b') or pressedkey == ord('q') |
|
1088
|
|
|
|
|
1089
|
|
|
if pressedkey == curses.KEY_F5 or self.pressedkey == 18: |
|
1090
|
|
|
# Were asked to refresh (F5 or Ctrl-R) |
|
1091
|
|
|
self.clear() |
|
1092
|
|
|
return isexitkey |
|
1093
|
|
|
|
|
1094
|
|
|
if pressedkey in (curses.KEY_UP, 65, curses.KEY_DOWN, 66): |
|
1095
|
|
|
# Up of won key pressed, reset the countdown |
|
1096
|
|
|
# Better for user experience |
|
1097
|
|
|
countdown.reset() |
|
1098
|
|
|
|
|
1099
|
|
|
if isexitkey and self.args.help_tag: |
|
1100
|
|
|
# Quit from help should return to main screen, not exit #1874 |
|
1101
|
|
|
self.args.help_tag = not self.args.help_tag |
|
1102
|
|
|
return False |
|
1103
|
|
|
|
|
1104
|
|
|
if not isexitkey and pressedkey > -1: |
|
1105
|
|
|
# Redraw display |
|
1106
|
|
|
self.flush(stats, cs_status=cs_status) |
|
1107
|
|
|
# Overwrite the timeout with the countdown |
|
1108
|
|
|
self.wait(delay=int(countdown.get() * 1000)) |
|
1109
|
|
|
|
|
1110
|
|
|
return isexitkey |
|
1111
|
|
|
|
|
1112
|
|
|
def wait(self, delay=100): |
|
1113
|
|
|
"""Wait delay in ms""" |
|
1114
|
|
|
curses.napms(delay) |
|
1115
|
|
|
|
|
1116
|
|
|
def get_stats_display_width(self, curse_msg, without_option=False): |
|
1117
|
|
|
"""Return the width of the formatted curses message.""" |
|
1118
|
|
|
try: |
|
1119
|
|
|
if without_option: |
|
1120
|
|
|
# Size without options |
|
1121
|
|
|
c = len( |
|
1122
|
|
|
max( |
|
1123
|
|
|
''.join( |
|
1124
|
|
|
[ |
|
1125
|
|
|
(u(u(nativestr(i['msg'])).encode('ascii', 'replace')) if not i['optional'] else "") |
|
1126
|
|
|
for i in curse_msg['msgdict'] |
|
1127
|
|
|
] |
|
1128
|
|
|
).split('\n'), |
|
1129
|
|
|
key=len, |
|
1130
|
|
|
) |
|
1131
|
|
|
) |
|
1132
|
|
|
else: |
|
1133
|
|
|
# Size with all options |
|
1134
|
|
|
c = len( |
|
1135
|
|
|
max( |
|
1136
|
|
|
''.join( |
|
1137
|
|
|
[u(u(nativestr(i['msg'])).encode('ascii', 'replace')) for i in curse_msg['msgdict']] |
|
1138
|
|
|
).split('\n'), |
|
1139
|
|
|
key=len, |
|
1140
|
|
|
) |
|
1141
|
|
|
) |
|
1142
|
|
|
except Exception as e: |
|
1143
|
|
|
logger.debug(f'ERROR: Can not compute plugin width ({e})') |
|
1144
|
|
|
return 0 |
|
1145
|
|
|
else: |
|
1146
|
|
|
return c |
|
1147
|
|
|
|
|
1148
|
|
|
def get_stats_display_height(self, curse_msg): |
|
1149
|
|
|
"""Return the height of the formatted curses message. |
|
1150
|
|
|
|
|
1151
|
|
|
The height is defined by the number of '\n' (new line). |
|
1152
|
|
|
""" |
|
1153
|
|
|
try: |
|
1154
|
|
|
c = [i['msg'] for i in curse_msg['msgdict']].count('\n') |
|
1155
|
|
|
except Exception as e: |
|
1156
|
|
|
logger.debug(f'ERROR: Can not compute plugin height ({e})') |
|
1157
|
|
|
return 0 |
|
1158
|
|
|
else: |
|
1159
|
|
|
return c + 1 |
|
1160
|
|
|
|
|
1161
|
|
|
|
|
1162
|
|
|
class GlancesCursesStandalone(_GlancesCurses): |
|
1163
|
|
|
"""Class for the Glances curse standalone.""" |
|
1164
|
|
|
|
|
1165
|
|
|
|
|
1166
|
|
|
class GlancesCursesClient(_GlancesCurses): |
|
1167
|
|
|
"""Class for the Glances curse client.""" |
|
1168
|
|
|
|
|
1169
|
|
|
|
|
1170
|
|
|
class GlancesTextbox(Textbox): |
|
1171
|
|
|
def __init__(self, *args, **kwargs): |
|
1172
|
|
|
super().__init__(*args, **kwargs) |
|
1173
|
|
|
|
|
1174
|
|
|
def do_command(self, ch): |
|
1175
|
|
|
if ch == 10: # Enter |
|
1176
|
|
|
return 0 |
|
1177
|
|
|
if ch == 127: # Back |
|
1178
|
|
|
return 8 |
|
1179
|
|
|
return super().do_command(ch) |
|
1180
|
|
|
|
|
1181
|
|
|
|
|
1182
|
|
|
class GlancesTextboxYesNo(Textbox): |
|
1183
|
|
|
def __init__(self, *args, **kwargs): |
|
1184
|
|
|
super().__init__(*args, **kwargs) |
|
1185
|
|
|
|
|
1186
|
|
|
def do_command(self, ch): |
|
1187
|
|
|
return super().do_command(ch) |
|
1188
|
|
|
|
nicolargo /
glances
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