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 contains definitions for a simple CLI CoAP server and client. 32 */ 33 34 #ifndef CLI_COAP_HPP_ 35 #define CLI_COAP_HPP_ 36 37 #include "openthread-core-config.h" 38 39 #if OPENTHREAD_CONFIG_COAP_API_ENABLE 40 41 #include <openthread/coap.h> 42 43 #include "utils/lookup_table.hpp" 44 #include "utils/parse_cmdline.hpp" 45 46 namespace ot { 47 namespace Cli { 48 49 class Interpreter; 50 51 /** 52 * This class implements the CLI CoAP server and client. 53 * 54 */ 55 class Coap 56 { 57 public: 58 typedef Utils::CmdLineParser::Arg Arg; 59 60 /** 61 * Constructor 62 * 63 * @param[in] aInterpreter The CLI interpreter. 64 * 65 */ 66 explicit Coap(Interpreter &aInterpreter); 67 68 /** 69 * This method interprets a list of CLI arguments. 70 * 71 * @param[in] aArgs An array of command line arguments. 72 * 73 */ 74 otError Process(Arg aArgs[]); 75 76 private: 77 enum 78 { 79 kMaxUriLength = 32, 80 kMaxBufferSize = 16 81 }; 82 83 struct Command 84 { 85 const char *mName; 86 otError (Coap::*mHandler)(Arg aArgs[]); 87 }; 88 89 #if OPENTHREAD_CONFIG_COAP_BLOCKWISE_TRANSFER_ENABLE 90 enum BlockType : uint8_t 91 { 92 kBlockType1, 93 kBlockType2, 94 }; 95 #endif 96 97 #if OPENTHREAD_CONFIG_COAP_OBSERVE_API_ENABLE 98 otError CancelResourceSubscription(void); 99 void CancelSubscriber(void); 100 #endif 101 102 void PrintPayload(otMessage *aMessage) const; 103 104 otError ProcessHelp(Arg aArgs[]); 105 #if OPENTHREAD_CONFIG_COAP_OBSERVE_API_ENABLE 106 otError ProcessCancel(Arg aArgs[]); 107 #endif 108 otError ProcessDelete(Arg aArgs[]); 109 otError ProcessGet(Arg aArgs[]); 110 #if OPENTHREAD_CONFIG_COAP_OBSERVE_API_ENABLE 111 otError ProcessObserve(Arg aArgs[]); 112 #endif 113 otError ProcessParameters(Arg aArgs[]); 114 otError ProcessPost(Arg aArgs[]); 115 otError ProcessPut(Arg aArgs[]); 116 otError ProcessResource(Arg aArgs[]); 117 otError ProcessSet(Arg aArgs[]); 118 otError ProcessStart(Arg aArgs[]); 119 otError ProcessStop(Arg aArgs[]); 120 121 #if OPENTHREAD_CONFIG_COAP_OBSERVE_API_ENABLE 122 otError ProcessRequest(Arg aArgs[], otCoapCode aCoapCode, bool aCoapObserve = false); 123 #else 124 otError ProcessRequest(Arg aArgs[], otCoapCode aCoapCode); 125 #endif 126 127 static void HandleRequest(void *aContext, otMessage *aMessage, const otMessageInfo *aMessageInfo); 128 void HandleRequest(otMessage *aMessage, const otMessageInfo *aMessageInfo); 129 130 #if OPENTHREAD_CONFIG_COAP_OBSERVE_API_ENABLE 131 static void HandleNotificationResponse(void * aContext, 132 otMessage * aMessage, 133 const otMessageInfo *aMessageInfo, 134 otError aError); 135 void HandleNotificationResponse(otMessage *aMessage, const otMessageInfo *aMessageInfo, otError aError); 136 #endif 137 138 static void HandleResponse(void *aContext, otMessage *aMessage, const otMessageInfo *aMessageInfo, otError aError); 139 void HandleResponse(otMessage *aMessage, const otMessageInfo *aMessageInfo, otError aError); 140 141 #if OPENTHREAD_CONFIG_COAP_BLOCKWISE_TRANSFER_ENABLE 142 143 static otError BlockwiseReceiveHook(void * aContext, 144 const uint8_t *aBlock, 145 uint32_t aPosition, 146 uint16_t aBlockLength, 147 bool aMore, 148 uint32_t aTotalLength); 149 otError BlockwiseReceiveHook(const uint8_t *aBlock, 150 uint32_t aPosition, 151 uint16_t aBlockLength, 152 bool aMore, 153 uint32_t aTotalLength); 154 static otError BlockwiseTransmitHook(void * aContext, 155 uint8_t * aBlock, 156 uint32_t aPosition, 157 uint16_t *aBlockLength, 158 bool * aMore); 159 otError BlockwiseTransmitHook(uint8_t *aBlock, uint32_t aPosition, uint16_t *aBlockLength, bool *aMore); 160 #endif 161 GetRequestTxParameters(void) const162 const otCoapTxParameters *GetRequestTxParameters(void) const 163 { 164 return mUseDefaultRequestTxParameters ? nullptr : &mRequestTxParameters; 165 } 166 GetResponseTxParameters(void) const167 const otCoapTxParameters *GetResponseTxParameters(void) const 168 { 169 return mUseDefaultResponseTxParameters ? nullptr : &mResponseTxParameters; 170 } 171 172 static constexpr Command sCommands[] = { 173 #if OPENTHREAD_CONFIG_COAP_OBSERVE_API_ENABLE 174 {"cancel", &Coap::ProcessCancel}, 175 #endif 176 {"delete", &Coap::ProcessDelete}, 177 {"get", &Coap::ProcessGet}, 178 {"help", &Coap::ProcessHelp}, 179 #if OPENTHREAD_CONFIG_COAP_OBSERVE_API_ENABLE 180 {"observe", &Coap::ProcessObserve}, 181 #endif 182 {"parameters", &Coap::ProcessParameters}, 183 {"post", &Coap::ProcessPost}, 184 {"put", &Coap::ProcessPut}, 185 {"resource", &Coap::ProcessResource}, 186 {"set", &Coap::ProcessSet}, 187 {"start", &Coap::ProcessStart}, 188 {"stop", &Coap::ProcessStop}, 189 }; 190 191 static_assert(Utils::LookupTable::IsSorted(sCommands), "Command Table is not sorted"); 192 193 Interpreter &mInterpreter; 194 195 bool mUseDefaultRequestTxParameters; 196 bool mUseDefaultResponseTxParameters; 197 198 otCoapTxParameters mRequestTxParameters; 199 otCoapTxParameters mResponseTxParameters; 200 201 #if OPENTHREAD_CONFIG_COAP_BLOCKWISE_TRANSFER_ENABLE 202 otCoapBlockwiseResource mResource; 203 #else 204 otCoapResource mResource; 205 #endif 206 #if OPENTHREAD_CONFIG_COAP_OBSERVE_API_ENABLE 207 otIp6Address mRequestAddr; 208 otSockAddr mSubscriberSock; 209 char mRequestUri[kMaxUriLength]; 210 uint8_t mRequestToken[OT_COAP_MAX_TOKEN_LENGTH]; 211 uint8_t mSubscriberToken[OT_COAP_MAX_TOKEN_LENGTH]; 212 #endif 213 char mUriPath[kMaxUriLength]; 214 char mResourceContent[kMaxBufferSize]; 215 #if OPENTHREAD_CONFIG_COAP_OBSERVE_API_ENABLE 216 uint32_t mObserveSerial; 217 uint8_t mRequestTokenLength; 218 uint8_t mSubscriberTokenLength; 219 bool mSubscriberConfirmableNotifications; 220 #endif 221 #if OPENTHREAD_CONFIG_COAP_BLOCKWISE_TRANSFER_ENABLE 222 uint32_t mBlockCount; 223 #endif 224 }; 225 226 } // namespace Cli 227 } // namespace ot 228 229 #endif // OPENTHREAD_CONFIG_COAP_API_ENABLE 230 231 #endif // CLI_COAP_HPP_ 232