Merge pull request #718 from jack9603301/T3283

op-mode: ip: T3283: Support for IPv4/IPv6 neigh tables

1 files changed, 96 insertions, 0 deletions

diff --git a/src/op_mode/show_neigh.py b/src/op_mode/show_neigh.py
new file mode 100755
index 000000000..94e745493
--- /dev/null
+++ b/src/op_mode/show_neigh.py
@@ -0,0 +1,96 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2020 VyOS maintainers and contributors
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 or later as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+#ip -j -f inet neigh list | jq
+#[
+  #{
+    #"dst": "192.168.101.8",
+    #"dev": "enp0s25",
+    #"lladdr": "78:d2:94:72:77:7e",
+    #"state": [
+      #"STALE"
+    #]
+  #},
+  #{
+    #"dst": "192.168.101.185",
+    #"dev": "enp0s25",
+    #"lladdr": "34:46:ec:76:f8:9b",
+    #"state": [
+      #"STALE"
+    #]
+  #},
+  #{
+    #"dst": "192.168.101.225",
+    #"dev": "enp0s25",
+    #"lladdr": "c2:cb:fa:bf:a0:35",
+    #"state": [
+      #"STALE"
+    #]
+  #},
+  #{
+    #"dst": "192.168.101.1",
+    #"dev": "enp0s25",
+    #"lladdr": "00:98:2b:f8:3f:11",
+    #"state": [
+      #"REACHABLE"
+    #]
+  #},
+  #{
+    #"dst": "192.168.101.181",
+    #"dev": "enp0s25",
+    #"lladdr": "d8:9b:3b:d5:88:22",
+    #"state": [
+      #"STALE"
+    #]
+  #}
+#]
+
+import sys
+import argparse
+import json
+from vyos.util import cmd
+
+def main():
+    #parese args
+    parser = argparse.ArgumentParser()
+    parser.add_argument('--family', help='Protocol family', required=True)
+    args = parser.parse_args()
+    
+    neigh_raw_json = cmd(f'ip -j -f {args.family} neigh list')
+    neigh_raw_json = neigh_raw_json.lower()
+    neigh_json = json.loads(neigh_raw_json)
+    
+    format_neigh = '%-50s %-10s %-20s %s'
+    print(format_neigh % ("IP Address", "Device", "State", "LLADDR"))
+    print(format_neigh % ("----------", "------", "-----", "------"))
+    
+    if neigh_json is not None:
+        for neigh_item in neigh_json:
+            dev = neigh_item['dev']
+            dst = neigh_item['dst']
+            lladdr = neigh_item['lladdr'] if 'lladdr' in neigh_item else ''
+            state = neigh_item['state']
+            
+            i = 0
+            for state_item in  state:
+                if i == 0:
+                    print(format_neigh % (dst, dev, state_item, lladdr))
+                else:
+                    print(format_neigh % ('', '', state_item, ''))
+                i+=1
+            
+if __name__ == '__main__':
+    main()