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[snap] PermissionError: [Errno 13] Permission denied: '/proc/net/wireless' #2829
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@ -22,13 +22,13 @@ from glances.globals import file_exists, nativestr
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from glances.logger import logger
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from glances.plugins.plugin.model import GlancesPluginModel
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# Backup solution is to use the /proc/net/wireless file
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# but it only give signal information about the current hotspot
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# Use stats available in the /proc/net/wireless file
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# Note: it only give signal information about the current hotspot
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WIRELESS_FILE = '/proc/net/wireless'
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wireless_file_exists = file_exists(WIRELESS_FILE)
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if not wireless_file_exists:
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logger.debug(f"Wifi plugin is disabled (no {WIRELESS_FILE} file found)")
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logger.debug(f"Wifi plugin is disabled (can not read {WIRELESS_FILE} file)")
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# Fields description
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# description: human readable description
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@ -96,31 +96,12 @@ class PluginModel(GlancesPluginModel):
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return stats
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if self.input_method == 'local' and wireless_file_exists:
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# As a backup solution, use the /proc/net/wireless file
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with open(WIRELESS_FILE) as f:
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# The first two lines are header
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f.readline()
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f.readline()
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# Others lines are Wifi stats
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wifi_stats = f.readline()
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while wifi_stats != '':
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# Extract the stats
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wifi_stats = wifi_stats.split()
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# Add the Wifi link to the list
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stats.append(
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{
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'key': self.get_key(),
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'ssid': wifi_stats[0][:-1],
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'quality_link': float(wifi_stats[2]),
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'quality_level': float(wifi_stats[3]),
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}
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)
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# Next line
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wifi_stats = f.readline()
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try:
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stats = self._get_wireless_stats()
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except (PermissionError, FileNotFoundError) as e:
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logger.debug(f"Wifi plugin error: can not read {WIRELESS_FILE} file ({e})")
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elif self.input_method == 'snmp':
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# Update stats using SNMP
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# Not implemented yet
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pass
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@ -129,6 +110,31 @@ class PluginModel(GlancesPluginModel):
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return self.stats
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def _get_wireless_stats(self):
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ret = self.get_init_value()
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# As a backup solution, use the /proc/net/wireless file
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with open(WIRELESS_FILE) as f:
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# The first two lines are header
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f.readline()
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f.readline()
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# Others lines are Wifi stats
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wifi_stats = f.readline()
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while wifi_stats != '':
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# Extract the stats
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wifi_stats = wifi_stats.split()
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# Add the Wifi link to the list
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ret.append(
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{
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'key': self.get_key(),
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'ssid': wifi_stats[0][:-1],
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'quality_link': float(wifi_stats[2]),
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'quality_level': float(wifi_stats[3]),
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}
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)
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# Next line
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wifi_stats = f.readline()
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return ret
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def get_alert(self, value):
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"""Overwrite the default get_alert method.
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@ -1,5 +1,5 @@
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name: glances
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version: '4.0.8'
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version: '4.0.8+build2'
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summary: Glances an Eye on your system. A top/htop alternative.
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description: |
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@ -31,6 +31,7 @@ apps:
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- removable-media
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- power-control
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- process-control
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- network-setup-observe
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environment:
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LANG: C.UTF-8
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LC_ALL: C.UTF-8
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