def _port_scan_icmp(self, port):
"""Scan the (ICMP) port structure (dict) and update the status key."""
ret = None
# Create the ping command
# Use the system ping command because it already have the steacky bit set
# Python can not create ICMP packet with non root right
if WINDOWS:
timeout_opt = '-w'
count_opt = '-n'
elif MACOS or BSD:
timeout_opt = '-t'
count_opt = '-c'
else:
# Linux and co...
timeout_opt = '-W'
count_opt = '-c'
# Build the command line
# Note: Only string are allowed
cmd = [
'ping', count_opt, '1', timeout_opt,
str(self._resolv_name(port['timeout'])),
self._resolv_name(port['host'])
]
fnull = open(os.devnull, 'w')
try:
counter = Counter()
ret = subprocess.check_call(cmd,
stdout=fnull,
stderr=fnull,
close_fds=True)
if ret == 0:
port['status'] = counter.get()
else:
port['status'] = False
except subprocess.CalledProcessError as e:
# Correct issue #1084: No Offline status for timeouted ports
port['status'] = False
except Exception as e:
logger.debug("{}: Error while pinging host {} ({})".format(
self.plugin_name, port['host'], e))
return ret
def _port_scan_icmp(self, port):
"""Scan the (ICMP) port structure (dict) and update the status key"""
ret = None
# Create the ping command
# Use the system ping command because it already have the steacky bit set
# Python can not create ICMP packet with non root right
cmd = ['ping', '-n' if WINDOWS else '-c', '1', self._resolv_name(port['host'])]
fnull = open(os.devnull, 'w')
try:
counter = Counter()
ret = subprocess.check_call(cmd, stdout=fnull, stderr=fnull, close_fds=True)
if ret == 0:
port['status'] = counter.get()
else:
port['status'] = False
except Exception as e:
logger.debug("{}: Error while pinging host {} ({})".format(self.plugin_name, port['host'], e))
return ret
def update(self, stats, duration=3):
"""Display issue
"""
self.print_version()
for plugin in sorted(stats._plugins):
if stats._plugins[plugin].is_disable():
# If current plugin is disable
# then continue to next plugin
result = colors.ORANGE + '[N/A]'.rjust(19 - len(plugin))
message = colors.NO
self.print_issue(plugin, result, message)
continue
# Start the counter
counter = Counter()
counter.reset()
stat = None
stat_error = None
try:
# Update the stats
stats._plugins[plugin].update()
# Get the stats
stat = stats.get_plugin(plugin).get_export()
except Exception as e:
stat_error = e
if stat_error is None:
result = (colors.GREEN + '[OK] ' + colors.BLUE +
' {:.4f}s '.format(counter.get())).rjust(40 -
len(plugin))
message = colors.NO + str(stat)[0:TERMINAL_WIDTH - 40]
else:
result = (colors.RED + '[ERROR]' + colors.BLUE +
' {:.4f}s '.format(counter.get())).rjust(40 -
len(plugin))
message = colors.NO + str(stat_error)[0:TERMINAL_WIDTH - 40]
self.print_issue(plugin, result, message)
# Return True to exit directly (no refresh)
return True
def __init__(self, config=None, args=None):
self.config = config
self.args = args
# Quiet mode
self._quiet = args.quiet
self.refresh_time = args.time
# Init stats
start_duration = Counter()
start_duration.reset()
self.stats = GlancesStats(config=config, args=args)
logger.debug("Plugins initialisation duration: {} seconds".format(
start_duration.get()))
# Modules (plugins and exporters) are loaded at this point
# Glances can display the list if asked...
if args.modules_list:
self.display_modules_list()
sys.exit(0)
# If process extended stats is disabled by user
if not args.enable_process_extended:
logger.debug("Extended stats for top process are disabled")
glances_processes.disable_extended()
else:
logger.debug("Extended stats for top process are enabled")
glances_processes.enable_extended()
# Manage optionnal process filter
if args.process_filter is not None:
glances_processes.process_filter = args.process_filter
if (not WINDOWS) and args.no_kernel_threads:
# Ignore kernel threads in process list
glances_processes.disable_kernel_threads()
# Initial system informations update
start_duration.reset()
self.stats.update()
logger.debug("First stats update duration: {} seconds".format(
start_duration.get()))
if self.quiet:
logger.info("Quiet mode is ON, nothing will be displayed")
# In quiet mode, nothing is displayed
glances_processes.max_processes = 0
elif args.stdout:
logger.info(
"Stdout mode is ON, following stats will be displayed: {}".
format(args.stdout))
# Init screen
self.screen = GlancesStdout(config=config, args=args)
elif args.stdout_csv:
logger.info(
"Stdout CSV mode is ON, following stats will be displayed: {}".
format(args.stdout))
# Init screen
self.screen = GlancesStdoutCsv(config=config, args=args)
else:
# Default number of processes to displayed is set to 50
glances_processes.max_processes = 50
# Init screen
self.screen = GlancesCursesStandalone(config=config, args=args)
# Check the latest Glances version
self.outdated = Outdated(config=config, args=args)
