1 /*
2  *  Copyright (c) 2016, 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 implements the OpenThread Instance API.
32  */
33 
34 #include "openthread-core-config.h"
35 
36 #include <openthread/instance.h>
37 #include <openthread/platform/misc.h>
38 
39 #include "common/instance.hpp"
40 #include "common/locator_getters.hpp"
41 #include "common/logging.hpp"
42 #include "common/new.hpp"
43 #include "radio/radio.hpp"
44 
45 #if !defined(OPENTHREAD_BUILD_DATETIME)
46 #ifdef __ANDROID__
47 #ifdef OPENTHREAD_ENABLE_ANDROID_NDK
48 #include <sys/system_properties.h>
49 #else
50 #include <cutils/properties.h>
51 #endif
52 #else // __ANDROID__
53 #if defined(__DATE__)
54 #define OPENTHREAD_BUILD_DATETIME "; " __DATE__ " " __TIME__
55 #endif
56 #endif // __ANDROID__
57 #endif // !defined(OPENTHREAD_BUILD_DATETIME)
58 
59 using namespace ot;
60 
61 #if OPENTHREAD_CONFIG_MULTIPLE_INSTANCE_ENABLE
otInstanceInit(void * aInstanceBuffer,size_t * aInstanceBufferSize)62 otInstance *otInstanceInit(void *aInstanceBuffer, size_t *aInstanceBufferSize)
63 {
64     Instance *instance;
65 
66     instance = Instance::Init(aInstanceBuffer, aInstanceBufferSize);
67     otLogInfoApi("otInstance Initialized");
68 
69     return instance;
70 }
71 #else
otInstanceInitSingle(void)72 otInstance *otInstanceInitSingle(void)
73 {
74     return &Instance::InitSingle();
75 }
76 #endif // #if OPENTHREAD_CONFIG_MULTIPLE_INSTANCE_ENABLE
77 
otInstanceIsInitialized(otInstance * aInstance)78 bool otInstanceIsInitialized(otInstance *aInstance)
79 {
80 #if OPENTHREAD_MTD || OPENTHREAD_FTD
81     Instance &instance = *static_cast<Instance *>(aInstance);
82 
83     return instance.IsInitialized();
84 #else
85     OT_UNUSED_VARIABLE(aInstance);
86     return true;
87 #endif // OPENTHREAD_MTD || OPENTHREAD_FTD
88 }
89 
otInstanceFinalize(otInstance * aInstance)90 void otInstanceFinalize(otInstance *aInstance)
91 {
92     Instance &instance = *static_cast<Instance *>(aInstance);
93     instance.Finalize();
94 }
95 
otInstanceReset(otInstance * aInstance)96 void otInstanceReset(otInstance *aInstance)
97 {
98     Instance &instance = *static_cast<Instance *>(aInstance);
99 
100     instance.Reset();
101 }
102 
103 #if OPENTHREAD_MTD || OPENTHREAD_FTD
otSetStateChangedCallback(otInstance * aInstance,otStateChangedCallback aCallback,void * aContext)104 otError otSetStateChangedCallback(otInstance *aInstance, otStateChangedCallback aCallback, void *aContext)
105 {
106     Instance &instance = *static_cast<Instance *>(aInstance);
107 
108     return instance.Get<Notifier>().RegisterCallback(aCallback, aContext);
109 }
110 
otRemoveStateChangeCallback(otInstance * aInstance,otStateChangedCallback aCallback,void * aContext)111 void otRemoveStateChangeCallback(otInstance *aInstance, otStateChangedCallback aCallback, void *aContext)
112 {
113     Instance &instance = *static_cast<Instance *>(aInstance);
114 
115     instance.Get<Notifier>().RemoveCallback(aCallback, aContext);
116 }
117 
otInstanceFactoryReset(otInstance * aInstance)118 void otInstanceFactoryReset(otInstance *aInstance)
119 {
120     Instance &instance = *static_cast<Instance *>(aInstance);
121 
122     instance.FactoryReset();
123 }
124 
otInstanceErasePersistentInfo(otInstance * aInstance)125 otError otInstanceErasePersistentInfo(otInstance *aInstance)
126 {
127     Instance &instance = *static_cast<Instance *>(aInstance);
128 
129     return instance.ErasePersistentInfo();
130 }
131 #endif // OPENTHREAD_MTD || OPENTHREAD_FTD
132 
otGetVersionString(void)133 const char *otGetVersionString(void)
134 {
135     /**
136      * PLATFORM_VERSION_ATTR_PREFIX and PLATFORM_VERSION_ATTR_SUFFIX are
137      * intended to be used to specify compiler directives to indicate
138      * what linker section the platform version string should be stored.
139      *
140      * This is useful for specifying an exact location of where the version
141      * string will be located so that it can be easily retrieved from the
142      * raw firmware image.
143      *
144      * If PLATFORM_VERSION_ATTR_PREFIX is unspecified, the keyword `static`
145      * is used instead.
146      *
147      * If both are unspecified, the location of the string in the firmware
148      * image will be undefined and may change.
149      */
150 
151 #if !defined(OPENTHREAD_BUILD_DATETIME) && defined(__ANDROID__)
152 
153 #ifdef OPENTHREAD_ENABLE_ANDROID_NDK
154     static char sVersion[100 + PROP_VALUE_MAX];
155     char        dateTime[PROP_VALUE_MAX];
156 
157     __system_property_get("ro.build.date", dateTime);
158 #else
159     static char sVersion[100 + PROPERTY_VALUE_MAX];
160     char        dateTime[PROPERTY_VALUE_MAX];
161 
162     property_get("ro.build.date", dateTime, "Thu Jan 1 1970 UTC 00:00:00");
163 #endif
164 
165     snprintf(sVersion, sizeof(sVersion), "%s/%s ;%s ; %s", PACKAGE_NAME, PACKAGE_VERSION,
166              OPENTHREAD_CONFIG_PLATFORM_INFO, dateTime);
167 #else
168 
169 #ifdef PLATFORM_VERSION_ATTR_PREFIX
170     PLATFORM_VERSION_ATTR_PREFIX
171 #else
172     static
173 #endif
174     const char sVersion[] = PACKAGE_NAME "/" PACKAGE_VERSION "; " OPENTHREAD_CONFIG_PLATFORM_INFO
175 #ifdef OPENTHREAD_BUILD_DATETIME
176         OPENTHREAD_BUILD_DATETIME
177 #endif
178 #ifdef PLATFORM_VERSION_ATTR_SUFFIX
179             PLATFORM_VERSION_ATTR_SUFFIX
180 #endif
181         ; // Trailing semicolon to end statement.
182 
183 #endif
184 
185     return sVersion;
186 }
187 
otGetRadioVersionString(otInstance * aInstance)188 const char *otGetRadioVersionString(otInstance *aInstance)
189 {
190     Instance &instance = *static_cast<Instance *>(aInstance);
191 
192     return instance.Get<Radio>().GetVersionString();
193 }
194