1 /*
2 * Copyright (c) 2018, 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
29 /**
30 * @file
31 * This file provides an example on how to implement an OpenThread vendor extension.
32 */
33
34 #include "openthread-core-config.h"
35
36 #include <stdbool.h>
37 #include <stdint.h>
38
39 #include "common/code_utils.hpp"
40 #include "common/new.hpp"
41 #include "instance/extension.hpp"
42
43 namespace ot {
44 namespace Extension {
45
46 /**
47 * Defines the vendor extension object.
48 *
49 */
50 class Extension : public ExtensionBase
51 {
52 public:
Extension(Instance & aInstance)53 explicit Extension(Instance &aInstance)
54 : ExtensionBase(aInstance)
55 {
56 }
57
58 // TODO: Add vendor extension code (add methods and/or member variables).
59 };
60
61 // ----------------------------------------------------------------------------
62 // `ExtensionBase` API
63 // ----------------------------------------------------------------------------
64
65 static OT_DEFINE_ALIGNED_VAR(sExtensionRaw, sizeof(Extension), uint64_t);
66
Init(Instance & aInstance)67 ExtensionBase &ExtensionBase::Init(Instance &aInstance)
68 {
69 ExtensionBase *ext = reinterpret_cast<ExtensionBase *>(&sExtensionRaw);
70
71 VerifyOrExit(!ext->mIsInitialized);
72
73 ext = new (&sExtensionRaw) Extension(aInstance);
74
75 exit:
76 return *ext;
77 }
78
SignalInstanceInit(void)79 void ExtensionBase::SignalInstanceInit(void)
80 {
81 // OpenThread instance is initialized and ready.
82
83 // TODO: Implement vendor extension code here and start interaction with OpenThread instance.
84 }
85
SignalNcpInit(Ncp::NcpBase & aNcpBase)86 void ExtensionBase::SignalNcpInit(Ncp::NcpBase &aNcpBase)
87 {
88 // NCP instance is initialized and ready.
89
90 // TODO: Implement vendor extension code here and start interaction with NCP instance.
91
92 OT_UNUSED_VARIABLE(aNcpBase);
93 }
94
HandleNotifierEvents(Events aEvents)95 void ExtensionBase::HandleNotifierEvents(Events aEvents)
96 {
97 // TODO: Implement vendor extension code here to handle notifier events.
98
99 OT_UNUSED_VARIABLE(aEvents);
100 }
101
102 } // namespace Extension
103 } // namespace ot
104
