1 /*
2  *  Copyright (c) 2016-2017, 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 class.
32  */
33 
34 #include "instance.hpp"
35 
36 #include <openthread/platform/misc.h>
37 
38 #include "common/new.hpp"
39 #include "radio/trel_link.hpp"
40 #include "utils/heap.hpp"
41 
42 namespace ot {
43 
44 #if !OPENTHREAD_CONFIG_MULTIPLE_INSTANCE_ENABLE
45 
46 // Define the raw storage used for OpenThread instance (in single-instance case).
47 OT_DEFINE_ALIGNED_VAR(gInstanceRaw, sizeof(Instance), uint64_t);
48 
49 #endif
50 
51 #if OPENTHREAD_CONFIG_MULTIPLE_STATIC_INSTANCE_ENABLE
52 
53 #define INSTANCE_SIZE_ALIGNED OT_ALIGNED_VAR_SIZE(sizeof(ot::Instance), uint64_t)
54 #define MULTI_INSTANCE_SIZE (OPENTHREAD_CONFIG_MULTIPLE_INSTANCE_NUM * INSTANCE_SIZE_ALIGNED)
55 
56 // Define the raw storage used for OpenThread instance (in multi-instance case).
57 static uint64_t gMultiInstanceRaw[MULTI_INSTANCE_SIZE];
58 
59 #endif
60 
61 #if OPENTHREAD_MTD || OPENTHREAD_FTD
62 #if !OPENTHREAD_CONFIG_HEAP_EXTERNAL_ENABLE
63 OT_DEFINE_ALIGNED_VAR(sHeapRaw, sizeof(Utils::Heap), uint64_t);
64 Utils::Heap *Instance::sHeap{nullptr};
65 #endif
66 #if OPENTHREAD_CONFIG_REFERENCE_DEVICE_ENABLE
67 bool Instance::sDnsNameCompressionEnabled = true;
68 #endif
69 #endif
70 
71 #if OPENTHREAD_CONFIG_LOG_LEVEL_DYNAMIC_ENABLE
72 LogLevel Instance::sLogLevel = static_cast<LogLevel>(OPENTHREAD_CONFIG_LOG_LEVEL_INIT);
73 #endif
74 
Instance(void)75 Instance::Instance(void)
76     : mTimerMilliScheduler(*this)
77 #if OPENTHREAD_CONFIG_PLATFORM_USEC_TIMER_ENABLE
78     , mTimerMicroScheduler(*this)
79 #endif
80     , mRadio(*this)
81 #if OPENTHREAD_CONFIG_UPTIME_ENABLE
82     , mUptime(*this)
83 #endif
84 #if OPENTHREAD_MTD || OPENTHREAD_FTD
85     , mNotifier(*this)
86     , mTimeTicker(*this)
87     , mSettings(*this)
88     , mSettingsDriver(*this)
89     , mMessagePool(*this)
90 #if OPENTHREAD_CONFIG_PLATFORM_DNSSD_ENABLE || OPENTHREAD_CONFIG_MULTICAST_DNS_ENABLE
91     // DNS-SD (mDNS) platform is initialized early to
92     // allow other modules to use it.
93     , mDnssd(*this)
94 #endif
95     , mIp6(*this)
96     , mThreadNetif(*this)
97     , mTmfAgent(*this)
98 #if OPENTHREAD_CONFIG_DHCP6_CLIENT_ENABLE
99     , mDhcp6Client(*this)
100 #endif
101 #if OPENTHREAD_CONFIG_DHCP6_SERVER_ENABLE
102     , mDhcp6Server(*this)
103 #endif
104 #if OPENTHREAD_CONFIG_NEIGHBOR_DISCOVERY_AGENT_ENABLE
105     , mNeighborDiscoveryAgent(*this)
106 #endif
107 #if OPENTHREAD_CONFIG_IP6_SLAAC_ENABLE
108     , mSlaac(*this)
109 #endif
110 #if OPENTHREAD_CONFIG_DNS_CLIENT_ENABLE
111     , mDnsClient(*this)
112 #endif
113 #if OPENTHREAD_CONFIG_SRP_CLIENT_ENABLE
114     , mSrpClient(*this)
115 #endif
116 #if OPENTHREAD_CONFIG_SRP_CLIENT_BUFFERS_ENABLE
117     , mSrpClientBuffers(*this)
118 #endif
119 #if OPENTHREAD_CONFIG_DNSSD_SERVER_ENABLE
120     , mDnssdServer(*this)
121 #endif
122 #if OPENTHREAD_CONFIG_DNS_DSO_ENABLE
123     , mDnsDso(*this)
124 #endif
125 #if OPENTHREAD_CONFIG_MULTICAST_DNS_ENABLE
126     , mMdnsCore(*this)
127 #endif
128 #if OPENTHREAD_CONFIG_SNTP_CLIENT_ENABLE
129     , mSntpClient(*this)
130 #endif
131 #if OPENTHREAD_FTD && OPENTHREAD_CONFIG_BACKBONE_ROUTER_ENABLE
132     , mBackboneRouterLocal(*this)
133 #endif
134     , mActiveDataset(*this)
135     , mPendingDataset(*this)
136     , mExtendedPanIdManager(*this)
137     , mNetworkNameManager(*this)
138     , mIp6Filter(*this)
139     , mKeyManager(*this)
140     , mLowpan(*this)
141     , mMac(*this)
142     , mMeshForwarder(*this)
143     , mMleRouter(*this)
144     , mDiscoverScanner(*this)
145     , mAddressResolver(*this)
146 #if OPENTHREAD_CONFIG_MULTI_RADIO
147     , mRadioSelector(*this)
148 #endif
149 #if OPENTHREAD_CONFIG_BORDER_ROUTER_ENABLE || OPENTHREAD_CONFIG_TMF_NETDATA_SERVICE_ENABLE
150     , mNetworkDataLocal(*this)
151 #endif
152     , mNetworkDataLeader(*this)
153 #if OPENTHREAD_FTD || OPENTHREAD_CONFIG_BORDER_ROUTER_ENABLE || OPENTHREAD_CONFIG_TMF_NETDATA_SERVICE_ENABLE
154     , mNetworkDataNotifier(*this)
155 #endif
156 #if OPENTHREAD_CONFIG_NETDATA_PUBLISHER_ENABLE
157     , mNetworkDataPublisher(*this)
158 #endif
159     , mNetworkDataServiceManager(*this)
160     , mNetworkDiagnosticServer(*this)
161 #if OPENTHREAD_CONFIG_TMF_NETDIAG_CLIENT_ENABLE
162     , mNetworkDiagnosticClient(*this)
163 #endif
164 #if OPENTHREAD_CONFIG_BORDER_AGENT_ENABLE
165     , mBorderAgent(*this)
166 #endif
167 #if OPENTHREAD_CONFIG_COMMISSIONER_ENABLE && OPENTHREAD_FTD
168     , mCommissioner(*this)
169 #endif
170 #if OPENTHREAD_CONFIG_SECURE_TRANSPORT_ENABLE
171     , mTmfSecureAgent(*this)
172 #endif
173 #if OPENTHREAD_CONFIG_JOINER_ENABLE
174     , mJoiner(*this)
175 #endif
176 #if OPENTHREAD_CONFIG_JAM_DETECTION_ENABLE
177     , mJamDetector(*this)
178 #endif
179 #if OPENTHREAD_FTD
180     , mJoinerRouter(*this)
181     , mLeader(*this)
182 #endif
183 #if (OPENTHREAD_CONFIG_THREAD_VERSION >= OT_THREAD_VERSION_1_2)
184     , mBackboneRouterLeader(*this)
185 #endif
186 #if OPENTHREAD_FTD && OPENTHREAD_CONFIG_BACKBONE_ROUTER_ENABLE
187     , mBackboneRouterManager(*this)
188 #endif
189 #if OPENTHREAD_CONFIG_MLR_ENABLE || (OPENTHREAD_FTD && OPENTHREAD_CONFIG_TMF_PROXY_MLR_ENABLE)
190     , mMlrManager(*this)
191 #endif
192 
193 #if OPENTHREAD_CONFIG_DUA_ENABLE || (OPENTHREAD_FTD && OPENTHREAD_CONFIG_TMF_PROXY_DUA_ENABLE)
194     , mDuaManager(*this)
195 #endif
196 #if OPENTHREAD_CONFIG_SRP_SERVER_ENABLE
197     , mSrpServer(*this)
198 #if OPENTHREAD_CONFIG_SRP_SERVER_ADVERTISING_PROXY_ENABLE
199     , mSrpAdvertisingProxy(*this)
200 #endif
201 #endif
202 #if OPENTHREAD_FTD
203     , mChildSupervisor(*this)
204 #endif
205     , mSupervisionListener(*this)
206     , mAnnounceBegin(*this)
207     , mPanIdQuery(*this)
208     , mEnergyScan(*this)
209 #if OPENTHREAD_CONFIG_TMF_ANYCAST_LOCATOR_ENABLE
210     , mAnycastLocator(*this)
211 #endif
212 #if OPENTHREAD_CONFIG_TIME_SYNC_ENABLE
213     , mTimeSync(*this)
214 #endif
215 #if OPENTHREAD_CONFIG_MLE_LINK_METRICS_INITIATOR_ENABLE
216     , mInitiator(*this)
217 #endif
218 #if OPENTHREAD_CONFIG_MLE_LINK_METRICS_SUBJECT_ENABLE
219     , mSubject(*this)
220 #endif
221 #if OPENTHREAD_CONFIG_COAP_API_ENABLE
222     , mApplicationCoap(*this)
223 #endif
224 #if OPENTHREAD_CONFIG_COAP_SECURE_API_ENABLE
225     , mApplicationCoapSecure(*this, /* aLayerTwoSecurity */ true)
226 #endif
227 #if OPENTHREAD_CONFIG_BLE_TCAT_ENABLE
228     , mApplicationBleSecure(*this)
229 #endif
230 #if OPENTHREAD_CONFIG_PING_SENDER_ENABLE
231     , mPingSender(*this)
232 #endif
233 #if OPENTHREAD_CONFIG_CHANNEL_MONITOR_ENABLE
234     , mChannelMonitor(*this)
235 #endif
236 #if OPENTHREAD_CONFIG_CHANNEL_MANAGER_ENABLE && \
237     (OPENTHREAD_FTD ||                          \
238      (OPENTHREAD_CONFIG_MAC_CSL_RECEIVER_ENABLE && OPENTHREAD_CONFIG_CHANNEL_MANAGER_CSL_CHANNEL_SELECT_ENABLE))
239     , mChannelManager(*this)
240 #endif
241 #if OPENTHREAD_CONFIG_MESH_DIAG_ENABLE && OPENTHREAD_FTD
242     , mMeshDiag(*this)
243 #endif
244 #if OPENTHREAD_CONFIG_HISTORY_TRACKER_ENABLE
245     , mHistoryTracker(*this)
246 #endif
247 #if OPENTHREAD_CONFIG_LINK_METRICS_MANAGER_ENABLE
248     , mLinkMetricsManager(*this)
249 #endif
250 #if (OPENTHREAD_CONFIG_DATASET_UPDATER_ENABLE || OPENTHREAD_CONFIG_CHANNEL_MANAGER_ENABLE) && OPENTHREAD_FTD
251     , mDatasetUpdater(*this)
252 #endif
253 #if OPENTHREAD_CONFIG_ANNOUNCE_SENDER_ENABLE
254     , mAnnounceSender(*this)
255 #endif
256 #if OPENTHREAD_CONFIG_OTNS_ENABLE
257     , mOtns(*this)
258 #endif
259 #if OPENTHREAD_CONFIG_BORDER_ROUTING_ENABLE
260     , mRoutingManager(*this)
261 #endif
262 #if OPENTHREAD_CONFIG_NAT64_TRANSLATOR_ENABLE
263     , mNat64Translator(*this)
264 #endif
265 #endif // OPENTHREAD_MTD || OPENTHREAD_FTD
266 #if OPENTHREAD_RADIO || OPENTHREAD_CONFIG_LINK_RAW_ENABLE
267     , mLinkRaw(*this)
268 #endif
269 #if OPENTHREAD_ENABLE_VENDOR_EXTENSION
270     , mExtension(Extension::ExtensionBase::Init(*this))
271 #endif
272 #if OPENTHREAD_CONFIG_DIAG_ENABLE
273     , mDiags(*this)
274 #endif
275 #if OPENTHREAD_CONFIG_POWER_CALIBRATION_ENABLE && OPENTHREAD_CONFIG_PLATFORM_POWER_CALIBRATION_ENABLE
276     , mPowerCalibration(*this)
277 #endif
278     , mIsInitialized(false)
279     , mId(Random::NonCrypto::GetUint32())
280 {
281 }
282 
283 #if (OPENTHREAD_MTD || OPENTHREAD_FTD) && !OPENTHREAD_CONFIG_HEAP_EXTERNAL_ENABLE
GetHeap(void)284 Utils::Heap &Instance::GetHeap(void)
285 {
286     if (nullptr == sHeap)
287     {
288         sHeap = new (&sHeapRaw) Utils::Heap();
289     }
290 
291     return *sHeap;
292 }
293 #endif
294 
295 #if !OPENTHREAD_CONFIG_MULTIPLE_INSTANCE_ENABLE
296 
InitSingle(void)297 Instance &Instance::InitSingle(void)
298 {
299     Instance *instance = &Get();
300 
301     VerifyOrExit(!instance->mIsInitialized);
302 
303     instance = new (&gInstanceRaw) Instance();
304 
305     instance->AfterInit();
306 
307 exit:
308     return *instance;
309 }
310 
Get(void)311 Instance &Instance::Get(void)
312 {
313     void *instance = &gInstanceRaw;
314 
315     return *static_cast<Instance *>(instance);
316 }
317 
318 #else // #if !OPENTHREAD_CONFIG_MULTIPLE_INSTANCE_ENABLE
319 #if OPENTHREAD_CONFIG_MULTIPLE_STATIC_INSTANCE_ENABLE
320 
InitMultiple(uint8_t aIdx)321 Instance *Instance::InitMultiple(uint8_t aIdx)
322 {
323     size_t    bufferSize;
324     uint64_t *instanceBuffer = gMultiInstanceRaw + aIdx * INSTANCE_SIZE_ALIGNED;
325     Instance *instance       = reinterpret_cast<Instance *>(instanceBuffer);
326 
327     VerifyOrExit(aIdx < OPENTHREAD_CONFIG_MULTIPLE_INSTANCE_NUM);
328     VerifyOrExit(!instance->mIsInitialized);
329 
330     bufferSize = (&gMultiInstanceRaw[MULTI_INSTANCE_SIZE] - instanceBuffer) * sizeof(uint64_t);
331     instance   = Instance::Init(instanceBuffer, &bufferSize);
332 
333 exit:
334     return instance;
335 }
336 
Get(uint8_t aIdx)337 Instance &Instance::Get(uint8_t aIdx)
338 {
339     void *instance = gMultiInstanceRaw + aIdx * INSTANCE_SIZE_ALIGNED;
340     return *static_cast<Instance *>(instance);
341 }
342 
GetIdx(Instance * aInstance)343 uint8_t Instance::GetIdx(Instance *aInstance)
344 {
345     return static_cast<uint8_t>(
346         (reinterpret_cast<uint8_t *>(aInstance) - reinterpret_cast<uint8_t *>(gMultiInstanceRaw)) /
347         INSTANCE_SIZE_ALIGNED);
348 }
349 
350 #endif // #if OPENTHREAD_CONFIG_MULTIPLE_STATIC_INSTANCE_ENABLE
351 
Init(void * aBuffer,size_t * aBufferSize)352 Instance *Instance::Init(void *aBuffer, size_t *aBufferSize)
353 {
354     Instance *instance = nullptr;
355 
356     VerifyOrExit(aBufferSize != nullptr);
357 
358     // Make sure the input buffer is big enough
359     VerifyOrExit(sizeof(Instance) <= *aBufferSize, *aBufferSize = sizeof(Instance));
360 
361     VerifyOrExit(aBuffer != nullptr);
362 
363     instance = new (aBuffer) Instance();
364 
365     instance->AfterInit();
366 
367 exit:
368     return instance;
369 }
370 
371 #endif // OPENTHREAD_CONFIG_MULTIPLE_INSTANCE_ENABLE
372 
Reset(void)373 void Instance::Reset(void) { otPlatReset(this); }
374 
375 #if OPENTHREAD_CONFIG_PLATFORM_BOOTLOADER_MODE_ENABLE
ResetToBootloader(void)376 Error Instance::ResetToBootloader(void) { return otPlatResetToBootloader(this); }
377 #endif
378 
379 #if OPENTHREAD_RADIO
ResetRadioStack(void)380 void Instance::ResetRadioStack(void)
381 {
382     mRadio.Init();
383     mLinkRaw.Init();
384 }
385 #endif
386 
AfterInit(void)387 void Instance::AfterInit(void)
388 {
389     mIsInitialized = true;
390 #if OPENTHREAD_MTD || OPENTHREAD_FTD
391 
392     // Restore datasets and network information
393 
394     Get<Settings>().Init();
395     Get<Mle::MleRouter>().Restore();
396 
397 #if OPENTHREAD_CONFIG_RADIO_LINK_TREL_ENABLE
398     Get<Trel::Link>().AfterInit();
399 #endif
400 
401 #endif // OPENTHREAD_MTD || OPENTHREAD_FTD
402 
403 #if OPENTHREAD_ENABLE_VENDOR_EXTENSION
404     Get<Extension::ExtensionBase>().SignalInstanceInit();
405 #endif
406 }
407 
Finalize(void)408 void Instance::Finalize(void)
409 {
410     VerifyOrExit(mIsInitialized);
411 
412     mIsInitialized = false;
413 
414 #if OPENTHREAD_MTD || OPENTHREAD_FTD
415     IgnoreError(otThreadSetEnabled(this, false));
416     IgnoreError(otIp6SetEnabled(this, false));
417     IgnoreError(otLinkSetEnabled(this, false));
418 
419 #if OPENTHREAD_CONFIG_PLATFORM_KEY_REFERENCES_ENABLE
420     Get<KeyManager>().DestroyTemporaryKeys();
421 #endif
422 
423     Get<Settings>().Deinit();
424 #endif
425 
426     IgnoreError(Get<Mac::SubMac>().Disable());
427 
428 #if !OPENTHREAD_CONFIG_MULTIPLE_INSTANCE_ENABLE
429 
430     /**
431      * Object was created on buffer, so instead of deleting
432      * the object we call destructor explicitly.
433      */
434     this->~Instance();
435 
436 #endif // !OPENTHREAD_CONFIG_MULTIPLE_INSTANCE_ENABLE
437 
438 exit:
439     return;
440 }
441 
442 #if OPENTHREAD_MTD || OPENTHREAD_FTD
443 
FactoryReset(void)444 void Instance::FactoryReset(void)
445 {
446     Get<Settings>().Wipe();
447 #if OPENTHREAD_CONFIG_PLATFORM_KEY_REFERENCES_ENABLE
448     Get<KeyManager>().DestroyTemporaryKeys();
449     Get<KeyManager>().DestroyPersistentKeys();
450 #endif
451     otPlatReset(this);
452 }
453 
ErasePersistentInfo(void)454 Error Instance::ErasePersistentInfo(void)
455 {
456     Error error = kErrorNone;
457 
458     VerifyOrExit(Get<Mle::MleRouter>().IsDisabled(), error = kErrorInvalidState);
459     Get<Settings>().Wipe();
460 #if OPENTHREAD_CONFIG_PLATFORM_KEY_REFERENCES_ENABLE
461     Get<KeyManager>().DestroyTemporaryKeys();
462     Get<KeyManager>().DestroyPersistentKeys();
463 #endif
464 
465 exit:
466     return error;
467 }
468 
GetBufferInfo(BufferInfo & aInfo)469 void Instance::GetBufferInfo(BufferInfo &aInfo)
470 {
471     aInfo.Clear();
472 
473     aInfo.mTotalBuffers   = Get<MessagePool>().GetTotalBufferCount();
474     aInfo.mFreeBuffers    = Get<MessagePool>().GetFreeBufferCount();
475     aInfo.mMaxUsedBuffers = Get<MessagePool>().GetMaxUsedBufferCount();
476 
477     Get<MeshForwarder>().GetSendQueue().GetInfo(aInfo.m6loSendQueue);
478     Get<MeshForwarder>().GetReassemblyQueue().GetInfo(aInfo.m6loReassemblyQueue);
479     Get<Ip6::Ip6>().GetSendQueue().GetInfo(aInfo.mIp6Queue);
480 
481 #if OPENTHREAD_FTD
482     Get<Ip6::Mpl>().GetBufferedMessageSet().GetInfo(aInfo.mMplQueue);
483 #endif
484 
485     Get<Mle::MleRouter>().GetMessageQueue().GetInfo(aInfo.mMleQueue);
486 
487     Get<Tmf::Agent>().GetRequestMessages().GetInfo(aInfo.mCoapQueue);
488     Get<Tmf::Agent>().GetCachedResponses().GetInfo(aInfo.mCoapQueue);
489 
490 #if OPENTHREAD_CONFIG_SECURE_TRANSPORT_ENABLE
491     Get<Tmf::SecureAgent>().GetRequestMessages().GetInfo(aInfo.mCoapSecureQueue);
492     Get<Tmf::SecureAgent>().GetCachedResponses().GetInfo(aInfo.mCoapSecureQueue);
493 #endif
494 
495 #if OPENTHREAD_CONFIG_COAP_API_ENABLE
496     GetApplicationCoap().GetRequestMessages().GetInfo(aInfo.mApplicationCoapQueue);
497     GetApplicationCoap().GetCachedResponses().GetInfo(aInfo.mApplicationCoapQueue);
498 #endif
499 }
500 
ResetBufferInfo(void)501 void Instance::ResetBufferInfo(void) { Get<MessagePool>().ResetMaxUsedBufferCount(); }
502 
503 #endif // OPENTHREAD_MTD || OPENTHREAD_FTD
504 
505 #if OPENTHREAD_CONFIG_LOG_LEVEL_DYNAMIC_ENABLE
506 
SetLogLevel(LogLevel aLogLevel)507 void Instance::SetLogLevel(LogLevel aLogLevel)
508 {
509     if (aLogLevel != sLogLevel)
510     {
511         sLogLevel = aLogLevel;
512         otPlatLogHandleLevelChanged(sLogLevel);
513     }
514 }
515 
otPlatLogHandleLevelChanged(otLogLevel aLogLevel)516 extern "C" OT_TOOL_WEAK void otPlatLogHandleLevelChanged(otLogLevel aLogLevel) { OT_UNUSED_VARIABLE(aLogLevel); }
517 
518 #endif
519 
520 } // namespace ot
521