1 /* 2 * Copyright (c) 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 includes definitions of Thread Controller under RCP mode. 32 */ 33 34 #ifndef OTBR_AGENT_RCP_HOST_HPP_ 35 #define OTBR_AGENT_RCP_HOST_HPP_ 36 37 #include "openthread-br/config.h" 38 39 #include <chrono> 40 #include <memory> 41 42 #include <assert.h> 43 44 #include <openthread/backbone_router_ftd.h> 45 #include <openthread/cli.h> 46 #include <openthread/instance.h> 47 #include <openthread/openthread-system.h> 48 49 #include "common/mainloop.hpp" 50 #include "common/task_runner.hpp" 51 #include "common/types.hpp" 52 #include "ncp/thread_host.hpp" 53 #include "utils/thread_helper.hpp" 54 55 namespace otbr { 56 #if OTBR_ENABLE_FEATURE_FLAGS 57 // Forward declaration of FeatureFlagList proto. 58 class FeatureFlagList; 59 #endif 60 61 namespace Ncp { 62 63 /** 64 * This class implements the NetworkProperties for architectures where OT APIs are directly accessible. 65 */ 66 class OtNetworkProperties : virtual public NetworkProperties 67 { 68 public: 69 /** 70 * Constructor. 71 */ 72 explicit OtNetworkProperties(void); 73 74 // NetworkProperties methods 75 otDeviceRole GetDeviceRole(void) const override; 76 bool Ip6IsEnabled(void) const override; 77 uint32_t GetPartitionId(void) const override; 78 void GetDatasetActiveTlvs(otOperationalDatasetTlvs &aDatasetTlvs) const override; 79 void GetDatasetPendingTlvs(otOperationalDatasetTlvs &aDatasetTlvs) const override; 80 81 // Set the otInstance 82 void SetInstance(otInstance *aInstance); 83 84 private: 85 otInstance *mInstance; 86 }; 87 88 /** 89 * This interface defines OpenThread Controller under RCP mode. 90 */ 91 class RcpHost : public MainloopProcessor, public ThreadHost, public OtNetworkProperties 92 { 93 public: 94 /** 95 * This constructor initializes this object. 96 * 97 * @param[in] aInterfaceName A string of the NCP interface name. 98 * @param[in] aRadioUrls The radio URLs (can be IEEE802.15.4 or TREL radio). 99 * @param[in] aBackboneInterfaceName The Backbone network interface name. 100 * @param[in] aDryRun TRUE to indicate dry-run mode. FALSE otherwise. 101 * @param[in] aEnableAutoAttach Whether or not to automatically attach to the saved network. 102 */ 103 RcpHost(const char *aInterfaceName, 104 const std::vector<const char *> &aRadioUrls, 105 const char *aBackboneInterfaceName, 106 bool aDryRun, 107 bool aEnableAutoAttach); 108 109 /** 110 * This method initialize the Thread controller. 111 */ 112 void Init(void) override; 113 114 /** 115 * This method deinitialize the Thread controller. 116 */ 117 void Deinit(void) override; 118 119 /** 120 * Returns an OpenThread instance. 121 * 122 * @retval Non-null OpenThread instance if `RcpHost::Init()` has been called. 123 * Otherwise, it's guaranteed to be `null` 124 */ GetInstance(void)125 otInstance *GetInstance(void) { return mInstance; } 126 127 /** 128 * This method gets the thread functionality helper. 129 * 130 * @retval The pointer to the helper object. 131 */ GetThreadHelper(void)132 otbr::agent::ThreadHelper *GetThreadHelper(void) 133 { 134 assert(mThreadHelper != nullptr); 135 return mThreadHelper.get(); 136 } 137 138 void Update(MainloopContext &aMainloop) override; 139 void Process(const MainloopContext &aMainloop) override; 140 141 /** 142 * This method posts a task to the timer 143 * 144 * @param[in] aDelay The delay in milliseconds before executing the task. 145 * @param[in] aTask The task function. 146 */ 147 void PostTimerTask(Milliseconds aDelay, TaskRunner::Task<void> aTask); 148 149 /** 150 * This method registers a reset handler. 151 * 152 * @param[in] aHandler The handler function. 153 */ 154 void RegisterResetHandler(std::function<void(void)> aHandler); 155 156 /** 157 * This method resets the OpenThread instance. 158 */ 159 void Reset(void); 160 161 /** 162 * This method returns the Thread protocol version as a string. 163 * 164 * @returns A pointer to the Thread version string. 165 */ 166 static const char *GetThreadVersion(void); 167 168 /** 169 * This method returns the Thread network interface name. 170 * 171 * @returns A pointer to the Thread network interface name string. 172 */ GetInterfaceName(void) const173 const char *GetInterfaceName(void) const override { return mConfig.mInterfaceName; } 174 175 static otbrLogLevel ConvertToOtbrLogLevel(otLogLevel aLogLevel); 176 177 #if OTBR_ENABLE_FEATURE_FLAGS 178 /** 179 * Apply the feature flag values to OpenThread through OpenThread APIs. 180 * 181 * @param[in] aFeatureFlagList The feature flag list to be applied to OpenThread. 182 * 183 * @returns The error value of underlying OpenThread API calls. 184 */ 185 otError ApplyFeatureFlagList(const FeatureFlagList &aFeatureFlagList); 186 187 /** 188 * This method returns the applied FeatureFlagList in ApplyFeatureFlagList call. 189 * 190 * @returns the applied FeatureFlagList's serialized bytes. 191 */ GetAppliedFeatureFlagListBytes(void)192 const std::string &GetAppliedFeatureFlagListBytes(void) 193 { 194 return mAppliedFeatureFlagListBytes; 195 } 196 #endif 197 198 ~RcpHost(void) override; 199 200 // Thread Control virtual methods 201 void Join(const otOperationalDatasetTlvs &aActiveOpDatasetTlvs, const AsyncResultReceiver &aRecevier) override; 202 void Leave(const AsyncResultReceiver &aRecevier) override; 203 void ScheduleMigration(const otOperationalDatasetTlvs &aPendingOpDatasetTlvs, 204 const AsyncResultReceiver aReceiver) override; 205 void SetThreadEnabled(bool aEnabled, const AsyncResultReceiver aReceiver) override; 206 void SetCountryCode(const std::string &aCountryCode, const AsyncResultReceiver &aReceiver) override; 207 void GetChannelMasks(const ChannelMasksReceiver &aReceiver, const AsyncResultReceiver &aErrReceiver) override; 208 void SetChannelMaxPowers(const std::vector<ChannelMaxPower> &aChannelMaxPowers, 209 const AsyncResultReceiver &aReceiver) override; 210 void AddThreadStateChangedCallback(ThreadStateChangedCallback aCallback) override; 211 GetCoprocessorType(void)212 CoprocessorType GetCoprocessorType(void) override 213 { 214 return OT_COPROCESSOR_RCP; 215 } 216 GetCoprocessorVersion(void)217 const char *GetCoprocessorVersion(void) override 218 { 219 return otPlatRadioGetVersionString(mInstance); 220 } 221 222 private: SafeInvokeAndClear(AsyncResultReceiver & aReceiver,otError aError,const std::string & aErrorInfo="")223 static void SafeInvokeAndClear(AsyncResultReceiver &aReceiver, otError aError, const std::string &aErrorInfo = "") 224 { 225 if (aReceiver) 226 { 227 aReceiver(aError, aErrorInfo); 228 aReceiver = nullptr; 229 } 230 } 231 HandleStateChanged(otChangedFlags aFlags,void * aContext)232 static void HandleStateChanged(otChangedFlags aFlags, void *aContext) 233 { 234 static_cast<RcpHost *>(aContext)->HandleStateChanged(aFlags); 235 } 236 void HandleStateChanged(otChangedFlags aFlags); 237 238 static void HandleBackboneRouterDomainPrefixEvent(void *aContext, 239 otBackboneRouterDomainPrefixEvent aEvent, 240 const otIp6Prefix *aDomainPrefix); 241 void HandleBackboneRouterDomainPrefixEvent(otBackboneRouterDomainPrefixEvent aEvent, 242 const otIp6Prefix *aDomainPrefix); 243 244 #if OTBR_ENABLE_DUA_ROUTING 245 static void HandleBackboneRouterNdProxyEvent(void *aContext, 246 otBackboneRouterNdProxyEvent aEvent, 247 const otIp6Address *aAddress); 248 void HandleBackboneRouterNdProxyEvent(otBackboneRouterNdProxyEvent aEvent, const otIp6Address *aAddress); 249 #endif 250 251 static void DisableThreadAfterDetach(void *aContext); 252 void DisableThreadAfterDetach(void); 253 static void SendMgmtPendingSetCallback(otError aError, void *aContext); 254 void SendMgmtPendingSetCallback(otError aError); 255 256 bool IsAutoAttachEnabled(void); 257 void DisableAutoAttach(void); 258 259 bool IsAttached(void); 260 261 otError SetOtbrAndOtLogLevel(otbrLogLevel aLevel); 262 263 otInstance *mInstance; 264 265 otPlatformConfig mConfig; 266 std::unique_ptr<otbr::agent::ThreadHelper> mThreadHelper; 267 std::vector<std::function<void(void)>> mResetHandlers; 268 TaskRunner mTaskRunner; 269 std::vector<ThreadStateChangedCallback> mThreadStateChangedCallbacks; 270 bool mEnableAutoAttach = false; 271 272 AsyncResultReceiver mSetThreadEnabledReceiver; 273 AsyncResultReceiver mScheduleMigrationReceiver; 274 275 #if OTBR_ENABLE_FEATURE_FLAGS 276 // The applied FeatureFlagList in ApplyFeatureFlagList call, used for debugging purpose. 277 std::string mAppliedFeatureFlagListBytes; 278 #endif 279 }; 280 281 } // namespace Ncp 282 } // namespace otbr 283 284 #endif // OTBR_AGENT_RCP_HOST_HPP_ 285