1 #!/usr/bin/env python3 1 #!/usr/bin/env python3
2 # SPDX-License-Identifier: GPL-2.0 OR BSD-3-Cl 2 # SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
3 3
4 import argparse 4 import argparse
5 import json 5 import json
6 import pprint 6 import pprint
7 import time 7 import time
8 8
9 from lib import YnlFamily, Netlink, NlError !! 9 from lib import YnlFamily, Netlink
10 <<
11 <<
12 class YnlEncoder(json.JSONEncoder): <<
13 def default(self, obj): <<
14 if isinstance(obj, bytes): <<
15 return bytes.hex(obj) <<
16 if isinstance(obj, set): <<
17 return list(obj) <<
18 return json.JSONEncoder.default(self, <<
19 10
20 11
21 def main(): 12 def main():
22 description = """ !! 13 parser = argparse.ArgumentParser(description='YNL CLI sample')
23 YNL CLI utility - a general purpose netlin <<
24 specs to drive protocol encoding and decod <<
25 """ <<
26 epilog = """ <<
27 The --multi option can be repeated to incl <<
28 in the same netlink payload. <<
29 """ <<
30 <<
31 parser = argparse.ArgumentParser(descripti <<
32 epilog=ep <<
33 parser.add_argument('--spec', dest='spec', 14 parser.add_argument('--spec', dest='spec', type=str, required=True)
34 parser.add_argument('--schema', dest='sche 15 parser.add_argument('--schema', dest='schema', type=str)
35 parser.add_argument('--no-schema', action= 16 parser.add_argument('--no-schema', action='store_true')
36 parser.add_argument('--json', dest='json_t 17 parser.add_argument('--json', dest='json_text', type=str)
37 !! 18 parser.add_argument('--do', dest='do', type=str)
38 group = parser.add_mutually_exclusive_grou !! 19 parser.add_argument('--dump', dest='dump', type=str)
39 group.add_argument('--do', dest='do', meta <<
40 group.add_argument('--multi', dest='multi' <<
41 metavar=('DO-OPERATION' <<
42 group.add_argument('--dump', dest='dump', <<
43 group.add_argument('--list-ops', action='s <<
44 group.add_argument('--list-msgs', action=' <<
45 <<
46 parser.add_argument('--sleep', dest='sleep 20 parser.add_argument('--sleep', dest='sleep', type=int)
47 parser.add_argument('--subscribe', dest='n 21 parser.add_argument('--subscribe', dest='ntf', type=str)
48 parser.add_argument('--replace', dest='fla 22 parser.add_argument('--replace', dest='flags', action='append_const',
49 const=Netlink.NLM_F_RE 23 const=Netlink.NLM_F_REPLACE)
50 parser.add_argument('--excl', dest='flags' 24 parser.add_argument('--excl', dest='flags', action='append_const',
51 const=Netlink.NLM_F_EX 25 const=Netlink.NLM_F_EXCL)
52 parser.add_argument('--create', dest='flag 26 parser.add_argument('--create', dest='flags', action='append_const',
53 const=Netlink.NLM_F_CR 27 const=Netlink.NLM_F_CREATE)
54 parser.add_argument('--append', dest='flag 28 parser.add_argument('--append', dest='flags', action='append_const',
55 const=Netlink.NLM_F_AP 29 const=Netlink.NLM_F_APPEND)
56 parser.add_argument('--process-unknown', a 30 parser.add_argument('--process-unknown', action=argparse.BooleanOptionalAction)
57 parser.add_argument('--output-json', actio <<
58 parser.add_argument('--dbg-small-recv', de <<
59 action='store', nargs= <<
60 args = parser.parse_args() 31 args = parser.parse_args()
61 32
62 def output(msg): <<
63 if args.output_json: <<
64 print(json.dumps(msg, cls=YnlEncod <<
65 else: <<
66 pprint.PrettyPrinter().pprint(msg) <<
67 <<
68 if args.no_schema: 33 if args.no_schema:
69 args.schema = '' 34 args.schema = ''
70 35
71 attrs = {} 36 attrs = {}
72 if args.json_text: 37 if args.json_text:
73 attrs = json.loads(args.json_text) 38 attrs = json.loads(args.json_text)
74 39
75 ynl = YnlFamily(args.spec, args.schema, ar !! 40 ynl = YnlFamily(args.spec, args.schema, args.process_unknown)
76 recv_size=args.dbg_small_r <<
77 if args.dbg_small_recv: <<
78 ynl.set_recv_dbg(True) <<
79 41
80 if args.ntf: 42 if args.ntf:
81 ynl.ntf_subscribe(args.ntf) 43 ynl.ntf_subscribe(args.ntf)
82 44
83 if args.sleep: 45 if args.sleep:
84 time.sleep(args.sleep) 46 time.sleep(args.sleep)
85 47
86 if args.list_ops: !! 48 if args.do:
87 for op_name, op in ynl.ops.items(): !! 49 reply = ynl.do(args.do, attrs, args.flags)
88 print(op_name, " [", ", ".join(op. !! 50 pprint.PrettyPrinter().pprint(reply)
89 if args.list_msgs: !! 51 if args.dump:
90 for op_name, op in ynl.msgs.items(): !! 52 reply = ynl.dump(args.dump, attrs)
91 print(op_name, " [", ", ".join(op. !! 53 pprint.PrettyPrinter().pprint(reply)
92 <<
93 try: <<
94 if args.do: <<
95 reply = ynl.do(args.do, attrs, arg <<
96 output(reply) <<
97 if args.dump: <<
98 reply = ynl.dump(args.dump, attrs) <<
99 output(reply) <<
100 if args.multi: <<
101 ops = [ (item[0], json.loads(item[ <<
102 reply = ynl.do_multi(ops) <<
103 output(reply) <<
104 except NlError as e: <<
105 print(e) <<
106 exit(1) <<
107 54
108 if args.ntf: 55 if args.ntf:
109 ynl.check_ntf() 56 ynl.check_ntf()
110 output(ynl.async_msg_queue) !! 57 pprint.PrettyPrinter().pprint(ynl.async_msg_queue)
111 58
112 59
113 if __name__ == "__main__": 60 if __name__ == "__main__":
114 main() 61 main()
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