1 files changed, 86 insertions, 0 deletions
diff --git a/tools/net/ynl/cli.py b/tools/net/ynl/cli.py
new file mode 100755
index 000000000000..f131e33ac3ee
--- /dev/null
+++ b/tools/net/ynl/cli.py
@@ -0,0 +1,86 @@
+#!/usr/bin/env python3
+# SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+
+import argparse
+import json
+import pprint
+import time
+
+from lib import YnlFamily, Netlink, NlError
+
+
+class YnlEncoder(json.JSONEncoder):
+    def default(self, obj):
+        if isinstance(obj, bytes):
+            return bytes.hex(obj)
+        if isinstance(obj, set):
+            return list(obj)
+        return json.JSONEncoder.default(self, obj)
+
+
+def main():
+    parser = argparse.ArgumentParser(description='YNL CLI sample')
+    parser.add_argument('--spec', dest='spec', type=str, required=True)
+    parser.add_argument('--schema', dest='schema', type=str)
+    parser.add_argument('--no-schema', action='store_true')
+    parser.add_argument('--json', dest='json_text', type=str)
+    parser.add_argument('--do', dest='do', type=str)
+    parser.add_argument('--dump', dest='dump', type=str)
+    parser.add_argument('--sleep', dest='sleep', type=int)
+    parser.add_argument('--subscribe', dest='ntf', type=str)
+    parser.add_argument('--replace', dest='flags', action='append_const',
+                        const=Netlink.NLM_F_REPLACE)
+    parser.add_argument('--excl', dest='flags', action='append_const',
+                        const=Netlink.NLM_F_EXCL)
+    parser.add_argument('--create', dest='flags', action='append_const',
+                        const=Netlink.NLM_F_CREATE)
+    parser.add_argument('--append', dest='flags', action='append_const',
+                        const=Netlink.NLM_F_APPEND)
+    parser.add_argument('--process-unknown', action=argparse.BooleanOptionalAction)
+    parser.add_argument('--output-json', action='store_true')
+    parser.add_argument('--dbg-small-recv', default=0, const=4000,
+                        action='store', nargs='?', type=int)
+    args = parser.parse_args()
+
+    def output(msg):
+        if args.output_json:
+            print(json.dumps(msg, cls=YnlEncoder))
+        else:
+            pprint.PrettyPrinter().pprint(msg)
+
+    if args.no_schema:
+        args.schema = ''
+
+    attrs = {}
+    if args.json_text:
+        attrs = json.loads(args.json_text)
+
+    ynl = YnlFamily(args.spec, args.schema, args.process_unknown,
+                    recv_size=args.dbg_small_recv)
+    if args.dbg_small_recv:
+        ynl.set_recv_dbg(True)
+
+    if args.ntf:
+        ynl.ntf_subscribe(args.ntf)
+
+    if args.sleep:
+        time.sleep(args.sleep)
+
+    try:
+        if args.do:
+            reply = ynl.do(args.do, attrs, args.flags)
+            output(reply)
+        if args.dump:
+            reply = ynl.dump(args.dump, attrs)
+            output(reply)
+    except NlError as e:
+        print(e)
+        exit(1)
+
+    if args.ntf:
+        ynl.check_ntf()
+        output(ynl.async_msg_queue)
+
+
+if __name__ == "__main__":
+    main()