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AVAHISCAN / mDNS #815

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jokob-sk
2024-10-04 12:34:31 +10:00
parent 129cd39ef8
commit 41a72f0292
1 changed files with 28 additions and 20 deletions
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32
front/plugins/avahi_scan/avahi_scan.py
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@@ -142,18 +142,11 @@ def execute_name_lookup(ip, timeout):
return ''
# Function to ensure Avahi and its dependencies are running
def ensure_avahi_running():
def ensure_avahi_running(attempt=1, max_retries=2):
"""
Ensure that D-Bus is running and the Avahi daemon is started.
Ensure that D-Bus is running and the Avahi daemon is started, with recursive retry logic.
"""
mylog('verbose', [f'[{pluginName}] Ensuring D-Bus and Avahi daemon are running...'])
# # Install D-Bus if not already installed
# try:
# subprocess.run(['apk', 'add', 'dbus'], check=True)
# except subprocess.CalledProcessError as e:
# mylog('verbose', [f'[{pluginName}] ⚠ ERROR - Failed to install D-Bus: {e.output}'])
# return
mylog('verbose', [f'[{pluginName}] Attempt {attempt} - Ensuring D-Bus and Avahi daemon are running...'])
# Check rc-status
try:
@@ -179,17 +172,32 @@ def ensure_avahi_running():
mylog('verbose', [f'[{pluginName}] ⚠ ERROR - Failed to start D-Bus: {e.output}'])
return
# Check status
# Check Avahi status
status_output = subprocess.run(['rc-service', 'avahi-daemon', 'status'], capture_output=True, text=True)
mylog('verbose', [f'[{pluginName}] Avahi Daemon Status: {status_output.stdout.strip()}'])
if 'started' in status_output.stdout:
mylog('verbose', [f'[{pluginName}] Avahi Daemon is already running.'])
return
mylog('verbose', [f'[{pluginName}] Avahi Daemon is not running, attempting to start... (Attempt {attempt})'])
# Start the Avahi daemon
try:
subprocess.run(['rc-service', 'avahi-daemon', 'start'], check=True)
except subprocess.CalledProcessError as e:
mylog('verbose', [f'[{pluginName}] ⚠ ERROR - Failed to start Avahi daemon: {e.output}'])
# Check status after starting
status_output = subprocess.run(['rc-service', 'avahi-daemon', 'status'], capture_output=True, text=True)
if 'started' in status_output.stdout:
mylog('verbose', [f'[{pluginName}] Avahi Daemon successfully started.'])
return
# Retry if not started and attempts are left
if attempt < max_retries:
mylog('verbose', [f'[{pluginName}] Retrying... ({attempt + 1}/{max_retries})'])
ensure_avahi_running(attempt + 1, max_retries)
else:
mylog('verbose', [f'[{pluginName}] ⚠ ERROR - Avahi Daemon failed to start after {max_retries} attempts.'])
# rc-update add avahi-daemon
# rc-service avahi-daemon status