1"""
2  Copyright (c) 2024, The OpenThread Authors.
3  All rights reserved.
4
5  Redistribution and use in source and binary forms, with or without
6  modification, are permitted provided that the following conditions are met:
7  1. Redistributions of source code must retain the above copyright
8     notice, this list of conditions and the following disclaimer.
9  2. Redistributions in binary form must reproduce the above copyright
10     notice, this list of conditions and the following disclaimer in the
11     documentation and/or other materials provided with the distribution.
12  3. Neither the name of the copyright holder nor the
13     names of its contributors may be used to endorse or promote products
14     derived from this software without specific prior written permission.
15
16  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26  POSSIBILITY OF SUCH DAMAGE.
27"""
28
29from .base_commands import BleCommand, CommandResultNone, Command
30from tlv.tlv import TLV
31from tlv.tcat_tlv import TcatTLVType
32
33
34class TlvCommandList(Command):
35
36    def get_help_string(self) -> str:
37        return 'List available TLV types to use in \'tlv send\'.'
38
39    async def execute_default(self, args, context):
40        list_tlv = "\n".join([f"{tlv.value:#x}\t{tlv.name}" for tlv in TcatTLVType])
41        print(f"\n{list_tlv}")
42        return CommandResultNone()
43
44
45class TlvCommandSend(BleCommand):
46
47    def get_log_string(self) -> str:
48        pass
49
50    def get_help_string(self) -> str:
51        return 'Send TLV with arbitrary payload: \'tlv send <TLV_TYPE> <TLV_PAYLOAD>\'.'
52
53    def prepare_data(self, args, context):
54        tlv_type = TcatTLVType(int(args[0], 16))
55        tlv_value = bytes()
56        try:
57            tlv_value = bytes.fromhex(args[1])
58        except IndexError:
59            pass
60        data = TLV(tlv_type.value, tlv_value).to_bytes()
61        return data
62
63
64class TlvCommand(Command):
65
66    def __init__(self):
67        self._subcommands = {'list': TlvCommandList(), 'send': TlvCommandSend()}
68
69    def get_help_string(self) -> str:
70        return 'Send TLV with arbitrary payload.'
71
72    async def execute_default(self, args, context):
73        self.print_help()
74        return CommandResultNone()
75