Development

docker/routlin-dash/app/pages/dhcpleases/view.py

@@ -1,7 +1,6 @@
 import ipaddress
 import os
 import glob
-import subprocess
 from datetime import datetime, timezone
 from config_utils import collect_layout_tokens, load_config, relative_time
 from factory import (
@@ -47,29 +46,32 @@ def _vendor_cell(vendor):
 
 
 def _get_arp_table():
-    """Return {mac_lower: state} from `ip neigh`. Excludes FAILED/PERMANENT/INCOMPLETE."""
+    """Return {mac_lower: entry} from /proc/net/arp (host-mounted). ATF_COM (0x2) flag means
+    the entry is complete; entries without it (incomplete) are excluded."""
     try:
-        result = subprocess.run(['ip', 'neigh'], capture_output=True, text=True, timeout=5)
         entries = {}
-        for line in result.stdout.splitlines():
-            parts = line.split()
-            if 'lladdr' not in parts:
-                continue
-            state = parts[-1]
-            if state in ('FAILED', 'PERMANENT', 'NOARP', 'INCOMPLETE'):
-                continue
-            idx = parts.index('lladdr')
-            mac = parts[idx + 1].lower()
-            ip  = parts[0]
-            iface = parts[2] if len(parts) > 2 else ''
-            entries[mac] = {'ip': ip, 'iface': iface, 'state': state}
+        with open('/proc/net/arp') as f:
+            next(f)  # skip header line
+            for line in f:
+                parts = line.split()
+                if len(parts) < 6:
+                    continue
+                ip    = parts[0]
+                flags = int(parts[2], 16)
+                mac   = parts[3].lower()
+                iface = parts[5]
+                if not (flags & 0x2):
+                    continue
+                if mac == '00:00:00:00:00:00':
+                    continue
+                entries[mac] = {'ip': ip, 'iface': iface, 'state': 'REACHABLE'}
         return entries
     except Exception:
         return {}
 
 
 def _status_badge(state):
-    if state == 'REACHABLE':
+    if state:
         return '<span class="badge badge-enabled">Online</span>'
     return '<span class="badge badge-disabled">Offline</span>'
 

docker/routlin-dash/docker-compose.yml

@@ -14,6 +14,7 @@ services:
       - /sys/devices:/sys/devices:ro
       - /etc/localtime:/etc/localtime:ro
       - /var/lib/misc:/var/lib/misc:ro
+      - /proc/net/arp:/proc/net/arp:ro
       - /var/log/freeradius:/var/log/freeradius
     environment:
       - PYTHONPATH=/routlin_location