Doug Anson / mbedConnectorInterface

mbed Connector Endpoint interface. This interface permits a mbed endpoint to easily setup MDS resources and emit those resources to an MDS server.

Dependents:   IoT_LED_demo ServoTest uWater_Project hackathon ... more

api/DynamicResource.cpp@51:b308658817e5, 2015-04-14 (annotated)

Committer:
michaeljkoster
Date:
Tue Apr 14 03:02:35 2015 +0000
Revision:
51:b308658817e5
Parent:
50:1a9e2184945e
Child:
52:822611156e35
add support for content-format

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ansond 0:b438482ebbfc 1 /**
ansond 0:b438482ebbfc 2 * @file DynamicResource.cpp
ansond 0:b438482ebbfc 3 * @brief mbed CoAP Endpoint Dynamic Resource class
ansond 0:b438482ebbfc 4 * @author Doug Anson/Chris Paola
ansond 0:b438482ebbfc 5 * @version 1.0
sam_grove 2:853f9ecc12df 6 * @see
ansond 0:b438482ebbfc 7 *
ansond 0:b438482ebbfc 8 * Copyright (c) 2014
ansond 0:b438482ebbfc 9 *
ansond 0:b438482ebbfc 10 * Licensed under the Apache License, Version 2.0 (the "License");
ansond 0:b438482ebbfc 11 * you may not use this file except in compliance with the License.
ansond 0:b438482ebbfc 12 * You may obtain a copy of the License at
ansond 0:b438482ebbfc 13 *
ansond 0:b438482ebbfc 14 * http://www.apache.org/licenses/LICENSE-2.0
ansond 0:b438482ebbfc 15 *
ansond 0:b438482ebbfc 16 * Unless required by applicable law or agreed to in writing, software
ansond 0:b438482ebbfc 17 * distributed under the License is distributed on an "AS IS" BASIS,
ansond 0:b438482ebbfc 18 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
ansond 0:b438482ebbfc 19 * See the License for the specific language governing permissions and
ansond 0:b438482ebbfc 20 * limitations under the License.
ansond 0:b438482ebbfc 21 */
sam_grove 2:853f9ecc12df 22
sam_grove 2:853f9ecc12df 23 #include "DynamicResource.h"
sam_grove 2:853f9ecc12df 24
sam_grove 2:853f9ecc12df 25 // InstancePointerTable Helper
sam_grove 2:853f9ecc12df 26 #include "InstancePointerTableHelper.h"
sam_grove 2:853f9ecc12df 27
ansond 31:bacc63106754 28 // ResourceObserver help
ansond 31:bacc63106754 29 #include "ResourceObserver.h"
ansond 31:bacc63106754 30
ansond 48:4b9ee3e32f93 31 // Options enablement
ansond 48:4b9ee3e32f93 32 #include "Options.h"
ansond 48:4b9ee3e32f93 33
ansond 48:4b9ee3e32f93 34 // GET verb can Start/Stop Observations...
ansond 48:4b9ee3e32f93 35 #define START_OBS 0
ansond 48:4b9ee3e32f93 36 #define STOP_OBS 1
michaeljkoster 50:1a9e2184945e 37 #define DEFAULT_MAXAGE 60
michaeljkoster 51:b308658817e5 38 #define DEFAULT_CONTENT_FORMAT 0
ansond 31:bacc63106754 39
sam_grove 2:853f9ecc12df 40 // default constructor
sam_grove 2:853f9ecc12df 41 DynamicResource::DynamicResource(const Logger *logger,const char *name,const char *res_type,uint8_t res_mask,const bool observable) : Resource<string>(logger,string(name),string(""))
sam_grove 2:853f9ecc12df 42 {
ansond 0:b438482ebbfc 43 this->m_res_type = string(res_type);
ansond 0:b438482ebbfc 44 this->m_observable = observable;
sam_grove 2:853f9ecc12df 45 this->m_res_mask = res_mask;
ansond 21:8487990a3baa 46 this->m_obs_number = 0;
ansond 21:8487990a3baa 47 this->m_obs_token_ptr = NULL;
ansond 21:8487990a3baa 48 this->m_obs_token_len = 0;
ansond 24:a6915e19814e 49 this->m_data_wrapper = NULL;
ansond 31:bacc63106754 50 this->m_observer = NULL;
michaeljkoster 51:b308658817e5 51 this->m_maxage = DEFAULT_MAXAGE;
michaeljkoster 51:b308658817e5 52 this->m_content_format = DEFAULT_CONTENT_FORMAT;
sam_grove 2:853f9ecc12df 53 }
sam_grove 2:853f9ecc12df 54
sam_grove 2:853f9ecc12df 55 // constructor (input initial value)
sam_grove 2:853f9ecc12df 56 DynamicResource::DynamicResource(const Logger *logger,const char *name,const char *res_type,const string value,uint8_t res_mask,const bool observable) : Resource<string>(logger,string(name),value)
sam_grove 2:853f9ecc12df 57 {
ansond 0:b438482ebbfc 58 this->m_res_type = string(res_type);
ansond 0:b438482ebbfc 59 this->m_observable = observable;
sam_grove 2:853f9ecc12df 60 this->m_res_mask = res_mask;
ansond 21:8487990a3baa 61 this->m_obs_number = 0;
ansond 21:8487990a3baa 62 this->m_obs_token_ptr = NULL;
ansond 21:8487990a3baa 63 this->m_obs_token_len = 0;
ansond 24:a6915e19814e 64 this->m_data_wrapper = NULL;
ansond 36:1c6c45584c13 65 this->m_observer = NULL;
michaeljkoster 50:1a9e2184945e 66 this->m_maxage = DEFAULT_MAXAGE;
michaeljkoster 51:b308658817e5 67 this->m_content_format = DEFAULT_CONTENT_FORMAT;
sam_grove 2:853f9ecc12df 68 }
sam_grove 2:853f9ecc12df 69
sam_grove 2:853f9ecc12df 70 // constructor (strings)
sam_grove 2:853f9ecc12df 71 DynamicResource::DynamicResource(const Logger *logger,const string name,const string res_type,const string value,uint8_t res_mask,const bool observable) : Resource<string>(logger,name,value)
sam_grove 2:853f9ecc12df 72 {
ansond 0:b438482ebbfc 73 this->m_res_type = res_type;
ansond 0:b438482ebbfc 74 this->m_observable = observable;
sam_grove 2:853f9ecc12df 75 this->m_res_mask = res_mask;
ansond 21:8487990a3baa 76 this->m_obs_number = 0;
ansond 21:8487990a3baa 77 this->m_obs_token_ptr = NULL;
ansond 21:8487990a3baa 78 this->m_obs_token_len = 0;
ansond 24:a6915e19814e 79 this->m_data_wrapper = NULL;
ansond 36:1c6c45584c13 80 this->m_observer = NULL;
michaeljkoster 50:1a9e2184945e 81 this->m_maxage = DEFAULT_MAXAGE;
michaeljkoster 51:b308658817e5 82 this->m_content_format = DEFAULT_CONTENT_FORMAT;
sam_grove 2:853f9ecc12df 83 }
sam_grove 2:853f9ecc12df 84
sam_grove 2:853f9ecc12df 85 // copy constructor
sam_grove 2:853f9ecc12df 86 DynamicResource::DynamicResource(const DynamicResource &resource) : Resource<string>((const Resource<string> &)resource)
sam_grove 2:853f9ecc12df 87 {
ansond 0:b438482ebbfc 88 this->m_res_type = resource.m_res_type;
ansond 0:b438482ebbfc 89 this->m_observable = resource.m_observable;
ansond 0:b438482ebbfc 90 this->m_res_mask = resource.m_res_mask;
ansond 21:8487990a3baa 91 this->m_obs_number = resource.m_obs_number;
ansond 21:8487990a3baa 92 this->m_obs_token_ptr = resource.m_obs_token_ptr;
ansond 21:8487990a3baa 93 this->m_obs_token_len = resource.m_obs_token_len;
ansond 24:a6915e19814e 94 this->m_data_wrapper = resource.m_data_wrapper;
ansond 36:1c6c45584c13 95 this->m_observer = resource.m_observer;
michaeljkoster 50:1a9e2184945e 96 this->m_maxage = resource.m_maxage;
michaeljkoster 51:b308658817e5 97 this->m_content_format = resource.m_content_format;
sam_grove 2:853f9ecc12df 98 }
sam_grove 2:853f9ecc12df 99
sam_grove 2:853f9ecc12df 100 // destructor
sam_grove 2:853f9ecc12df 101 DynamicResource::~DynamicResource()
sam_grove 2:853f9ecc12df 102 {
ansond 21:8487990a3baa 103 if(this->m_obs_token_ptr) free(this->m_obs_token_ptr);
sam_grove 2:853f9ecc12df 104 }
sam_grove 2:853f9ecc12df 105
sam_grove 2:853f9ecc12df 106 // bind resource to NSDL
sam_grove 2:853f9ecc12df 107 void DynamicResource::bind(void *p)
sam_grove 2:853f9ecc12df 108 {
ansond 0:b438482ebbfc 109 if (p != NULL) {
ansond 0:b438482ebbfc 110 sn_nsdl_resource_info_s *resource_ptr = (sn_nsdl_resource_info_s *)p;
ansond 0:b438482ebbfc 111 const uint8_t *name = (const uint8_t *)(this->getName().c_str());
ansond 0:b438482ebbfc 112 const uint8_t *res_type = (const uint8_t *)this->m_res_type.c_str();
ansond 0:b438482ebbfc 113 int name_length = this->getName().size();
ansond 0:b438482ebbfc 114 int res_type_length = this->m_res_type.size();
sam_grove 2:853f9ecc12df 115 int is_observable = 0;
sam_grove 2:853f9ecc12df 116 if (this->m_observable == true) is_observable = 1;
ansond 0:b438482ebbfc 117 const string *key = new string(this->getName());
ansond 0:b438482ebbfc 118 ipt_helper_add_instance_pointer(key,this);
ansond 0:b438482ebbfc 119 nsdl_create_dynamic_resource(resource_ptr,name_length,(uint8_t *)name,res_type_length,(uint8_t *)res_type,is_observable,&ipt_helper_nsdl_callback_stub,this->m_res_mask);
ansond 20:abfbaf524192 120 this->logger()->log("DynamicResource: [%s] type: [%s] bound (observable: %d)",name,res_type,is_observable);
sam_grove 2:853f9ecc12df 121 } else {
ansond 5:a929d65eb385 122 this->logger()->log("DynamicResource: NULL parameter in bind()");
ansond 0:b438482ebbfc 123 }
sam_grove 2:853f9ecc12df 124 }
ansond 0:b438482ebbfc 125
sam_grove 2:853f9ecc12df 126 // process NSDL message
sam_grove 2:853f9ecc12df 127 uint8_t DynamicResource::process(sn_coap_hdr_s *received_coap_ptr, sn_nsdl_addr_s *address, sn_proto_info_s *proto)
sam_grove 2:853f9ecc12df 128 {
ansond 0:b438482ebbfc 129 sn_coap_hdr_s *coap_res_ptr = 0;
ansond 31:bacc63106754 130
ansond 0:b438482ebbfc 131 // create our key for debugging output...
ansond 25:1fc958ac14d1 132 DataWrapper *hold = this->getDataWrapper();
ansond 25:1fc958ac14d1 133 this->setDataWrapper(NULL);
ansond 0:b438482ebbfc 134 string key = this->coapDataToString(received_coap_ptr->uri_path_ptr,received_coap_ptr->uri_path_len);
ansond 25:1fc958ac14d1 135 this->setDataWrapper(hold);
sam_grove 2:853f9ecc12df 136
sam_grove 2:853f9ecc12df 137 if(received_coap_ptr->msg_code == COAP_MSG_CODE_REQUEST_GET) {
ansond 0:b438482ebbfc 138 coap_res_ptr = sn_coap_build_response(received_coap_ptr, COAP_MSG_CODE_RESPONSE_CONTENT);
sam_grove 2:853f9ecc12df 139
sam_grove 2:853f9ecc12df 140 // process the GET if we have registered a callback for it...
ansond 0:b438482ebbfc 141 if ((this->m_res_mask&SN_GRS_GET_ALLOWED) != 0) {
ansond 0:b438482ebbfc 142 // call the resource get() to get the resource value
ansond 5:a929d65eb385 143 this->logger()->log("Calling resource(GET) for [%s]...",key.c_str());
ansond 0:b438482ebbfc 144 string value = this->get();
sam_grove 2:853f9ecc12df 145
ansond 24:a6915e19814e 146 // convert the string from the GET to something suitable for CoAP payloads
ansond 24:a6915e19814e 147 if (this->getDataWrapper() != NULL) {
ansond 24:a6915e19814e 148 // wrap the data...
ansond 24:a6915e19814e 149 this->getDataWrapper()->wrap((uint8_t *)value.c_str(),(int)value.size());
ansond 24:a6915e19814e 150
ansond 24:a6915e19814e 151 // announce (after wrap)
ansond 24:a6915e19814e 152 this->logger()->log("Building payload for [%s]=[%s]...",key.c_str(),this->getDataWrapper()->get());
ansond 24:a6915e19814e 153
ansond 24:a6915e19814e 154 // fill in the CoAP response payload
ansond 24:a6915e19814e 155 coap_res_ptr->payload_len = this->getDataWrapper()->length();
ansond 24:a6915e19814e 156 coap_res_ptr->payload_ptr = this->getDataWrapper()->get();
ansond 24:a6915e19814e 157 }
ansond 24:a6915e19814e 158 else {
ansond 24:a6915e19814e 159 // announce (no wrap)
ansond 24:a6915e19814e 160 this->logger()->log("Building payload for [%s]=[%s]...",key.c_str(),value.c_str());
ansond 24:a6915e19814e 161
ansond 24:a6915e19814e 162 // do not wrap the data...
ansond 24:a6915e19814e 163 coap_res_ptr->payload_len = value.size();
ansond 24:a6915e19814e 164 coap_res_ptr->payload_ptr = (uint8_t *)value.c_str();
ansond 24:a6915e19814e 165 }
ansond 21:8487990a3baa 166
michaeljkoster 51:b308658817e5 167 // CoAP Content-Format
michaeljkoster 51:b308658817e5 168 coap_res_ptr->content_type_ptr = &this->m_content_format;
michaeljkoster 51:b308658817e5 169 coap_res_ptr->content_type_len = sizeof(this->m_content_format);
michaeljkoster 51:b308658817e5 170
michaeljkoster 50:1a9e2184945e 171 // max-age cache control
michaeljkoster 50:1a9e2184945e 172 coap_res_ptr->options_list_ptr = (sn_coap_options_list_s*)nsdl_alloc(sizeof(sn_coap_options_list_s));
michaeljkoster 50:1a9e2184945e 173 if(!coap_res_ptr->options_list_ptr){
michaeljkoster 50:1a9e2184945e 174 this->logger()->log("Cant alloc option list\r\n");
michaeljkoster 50:1a9e2184945e 175 coap_res_ptr->options_list_ptr = NULL;
michaeljkoster 50:1a9e2184945e 176 }
michaeljkoster 50:1a9e2184945e 177 else{
michaeljkoster 50:1a9e2184945e 178 memset(coap_res_ptr->options_list_ptr, 0, sizeof(sn_coap_options_list_s));
michaeljkoster 50:1a9e2184945e 179 coap_res_ptr->options_list_ptr->max_age_ptr = &this->m_maxage;
michaeljkoster 50:1a9e2184945e 180 coap_res_ptr->options_list_ptr->max_age_len = sizeof(this->m_maxage);
michaeljkoster 50:1a9e2184945e 181 }
michaeljkoster 50:1a9e2184945e 182
ansond 21:8487990a3baa 183 // Observation handling...
ansond 21:8487990a3baa 184 if(received_coap_ptr->token_ptr) {
ansond 21:8487990a3baa 185 if(this->m_obs_token_ptr) {
ansond 21:8487990a3baa 186 free(this->m_obs_token_ptr);
ansond 21:8487990a3baa 187 this->m_obs_token_ptr = NULL;
ansond 23:caa0260acc21 188 this->m_obs_token_len = 0;
ansond 21:8487990a3baa 189 }
ansond 22:192b598ba389 190
ansond 21:8487990a3baa 191 this->m_obs_token_ptr = (uint8_t*)malloc(received_coap_ptr->token_len);
ansond 21:8487990a3baa 192 if(this->m_obs_token_ptr) {
ansond 21:8487990a3baa 193 memcpy(this->m_obs_token_ptr, received_coap_ptr->token_ptr,received_coap_ptr->token_len);
ansond 21:8487990a3baa 194 this->m_obs_token_len = received_coap_ptr->token_len;
ansond 21:8487990a3baa 195 }
ansond 21:8487990a3baa 196 }
ansond 21:8487990a3baa 197
ansond 22:192b598ba389 198 // Observation handling...
ansond 36:1c6c45584c13 199 if(received_coap_ptr->options_list_ptr && received_coap_ptr->options_list_ptr->observe) {
ansond 31:bacc63106754 200 // create the options list pointer
ansond 21:8487990a3baa 201 coap_res_ptr->options_list_ptr = (sn_coap_options_list_s*)malloc(sizeof(sn_coap_options_list_s));
ansond 21:8487990a3baa 202 memset(coap_res_ptr->options_list_ptr, 0, sizeof(sn_coap_options_list_s));
ansond 36:1c6c45584c13 203
ansond 48:4b9ee3e32f93 204 // if GET controlled observation is enabled, perform it here...
ansond 48:4b9ee3e32f93 205 if (((Connector::Options *)this->getOptions())->enableGETObservationControl()) {
ansond 48:4b9ee3e32f93 206 // ResourceObserver
ansond 48:4b9ee3e32f93 207 ResourceObserver *observer = (ResourceObserver *)this->m_observer;
ansond 48:4b9ee3e32f93 208
ansond 48:4b9ee3e32f93 209 // get observe start/stop value from received options list pointer
ansond 48:4b9ee3e32f93 210 uint8_t OBS_command = *received_coap_ptr->options_list_ptr->observe_ptr;
ansond 48:4b9ee3e32f93 211 if (OBS_command == START_OBS) {
ansond 48:4b9ee3e32f93 212 coap_res_ptr->options_list_ptr->observe_ptr = &this->m_obs_number; // see nullify note below...
ansond 48:4b9ee3e32f93 213 coap_res_ptr->options_list_ptr->observe_len = 1;
ansond 48:4b9ee3e32f93 214 this->m_obs_number++;
ansond 48:4b9ee3e32f93 215 if (observer != NULL) observer->beginObservation();
ansond 48:4b9ee3e32f93 216 }
ansond 48:4b9ee3e32f93 217 if (OBS_command == STOP_OBS) {
ansond 48:4b9ee3e32f93 218 if (observer != NULL) observer->stopObservation();
ansond 48:4b9ee3e32f93 219 }
ansond 48:4b9ee3e32f93 220 }
ansond 48:4b9ee3e32f93 221 else {
ansond 48:4b9ee3e32f93 222 // non-GET controlled observationing: simply fill in the observation requirements...
ansond 48:4b9ee3e32f93 223 coap_res_ptr->options_list_ptr->observe_ptr = &this->m_obs_number; // see nullify note below...
ansond 31:bacc63106754 224 coap_res_ptr->options_list_ptr->observe_len = 1;
ansond 31:bacc63106754 225 this->m_obs_number++;
ansond 31:bacc63106754 226 }
ansond 21:8487990a3baa 227 }
sam_grove 2:853f9ecc12df 228
sam_grove 2:853f9ecc12df 229 // build out the response and send...
ansond 21:8487990a3baa 230 sn_nsdl_send_coap_message(address,coap_res_ptr);
michaeljkoster 50:1a9e2184945e 231 nsdl_free(coap_res_ptr->options_list_ptr);
michaeljkoster 50:1a9e2184945e 232 coap_res_ptr->options_list_ptr = NULL;
michaeljkoster 51:b308658817e5 233 coap_res_ptr->content_type_ptr = NULL;
ansond 22:192b598ba389 234
ansond 22:192b598ba389 235 //
ansond 22:192b598ba389 236 // nullify note:
ansond 22:192b598ba389 237 //
ansond 22:192b598ba389 238 // because our obs_number (assigned to observe_ptr) is part of this object instance, we dont
ansond 22:192b598ba389 239 // want to have the underlying free() try to free it... to just nullify here
ansond 22:192b598ba389 240 //
ansond 22:192b598ba389 241 if (coap_res_ptr->options_list_ptr) coap_res_ptr->options_list_ptr->observe_ptr = 0;
ansond 21:8487990a3baa 242 }
ansond 21:8487990a3baa 243 else {
ansond 5:a929d65eb385 244 this->logger()->log("ERROR: resource(GET) mask is munged (mask: 0x%x)",this->m_res_mask);
ansond 0:b438482ebbfc 245 }
sam_grove 2:853f9ecc12df 246 } else if(received_coap_ptr->msg_code == COAP_MSG_CODE_REQUEST_PUT) {
sam_grove 2:853f9ecc12df 247 if(received_coap_ptr->payload_len > 0) {
ansond 0:b438482ebbfc 248 // process the PUT if we have registered a callback for it...
ansond 0:b438482ebbfc 249 if ((this->m_res_mask&SN_GRS_PUT_ALLOWED) != 0) {
ansond 28:8fd9336edeb9 250 // put() delivers values as std::string
ansond 0:b438482ebbfc 251 string value = this->coapDataToString(received_coap_ptr->payload_ptr,received_coap_ptr->payload_len);
sam_grove 2:853f9ecc12df 252
ansond 0:b438482ebbfc 253 // call the resource put() to set the resource value
ansond 5:a929d65eb385 254 this->logger()->log("Calling resource(PUT) with [%s]=[%s]...",key.c_str(),value.c_str());
ansond 0:b438482ebbfc 255 this->put(value);
sam_grove 2:853f9ecc12df 256
ansond 0:b438482ebbfc 257 // build out the response and send...
ansond 5:a929d65eb385 258 this->logger()->log("resource(PUT) completed for [%s]...",key.c_str());
ansond 21:8487990a3baa 259 coap_res_ptr = sn_coap_build_response(received_coap_ptr,COAP_MSG_CODE_RESPONSE_CHANGED);
ansond 21:8487990a3baa 260 sn_nsdl_send_coap_message(address,coap_res_ptr);
sam_grove 2:853f9ecc12df 261 } else {
ansond 5:a929d65eb385 262 this->logger()->log("ERROR: resource(PUT) mask is munged (mask: 0x%x)",this->m_res_mask);
ansond 0:b438482ebbfc 263 }
sam_grove 2:853f9ecc12df 264 } else {
ansond 5:a929d65eb385 265 this->logger()->log("ERROR: Binder(PUT) payload is NULL...");
ansond 0:b438482ebbfc 266 }
ansond 21:8487990a3baa 267 } else if(received_coap_ptr->msg_code == COAP_MSG_CODE_REQUEST_POST) {
ansond 21:8487990a3baa 268 if(received_coap_ptr->payload_len > 0) {
ansond 21:8487990a3baa 269 // process the POST if we have registered a callback for it...
ansond 21:8487990a3baa 270 if ((this->m_res_mask&SN_GRS_POST_ALLOWED) != 0) {
ansond 28:8fd9336edeb9 271 // post() delivers values as std::string
ansond 21:8487990a3baa 272 string value = this->coapDataToString(received_coap_ptr->payload_ptr,received_coap_ptr->payload_len);
ansond 21:8487990a3baa 273
ansond 21:8487990a3baa 274 // call the resource post() to set the resource value
ansond 21:8487990a3baa 275 this->logger()->log("Calling resource(POST) with [%s]=[%s]...",key.c_str(),value.c_str());
ansond 21:8487990a3baa 276 this->post(value);
ansond 21:8487990a3baa 277
ansond 21:8487990a3baa 278 // build out the response and send...
ansond 21:8487990a3baa 279 this->logger()->log("resource(POST) completed for [%s]...",key.c_str());
ansond 21:8487990a3baa 280 coap_res_ptr = sn_coap_build_response(received_coap_ptr,COAP_MSG_CODE_RESPONSE_CHANGED);
ansond 21:8487990a3baa 281 sn_nsdl_send_coap_message(address,coap_res_ptr);
ansond 21:8487990a3baa 282 } else {
ansond 21:8487990a3baa 283 this->logger()->log("ERROR: resource(POST) mask is munged (mask: 0x%x)",this->m_res_mask);
ansond 21:8487990a3baa 284 }
ansond 21:8487990a3baa 285 } else {
ansond 21:8487990a3baa 286 this->logger()->log("ERROR: Binder(POST) payload is NULL...");
ansond 21:8487990a3baa 287 }
ansond 21:8487990a3baa 288 } else if(received_coap_ptr->msg_code == COAP_MSG_CODE_REQUEST_DELETE) {
ansond 21:8487990a3baa 289 if(received_coap_ptr->payload_len > 0) {
ansond 21:8487990a3baa 290 // process the DELETE if we have registered a callback for it...
ansond 21:8487990a3baa 291 if ((this->m_res_mask&SN_GRS_DELETE_ALLOWED) != 0) {
ansond 28:8fd9336edeb9 292 // del() delivers values as std::string
ansond 21:8487990a3baa 293 string value = this->coapDataToString(received_coap_ptr->payload_ptr,received_coap_ptr->payload_len);
ansond 21:8487990a3baa 294
ansond 21:8487990a3baa 295 // call the resource del() to set the resource value
ansond 21:8487990a3baa 296 this->logger()->log("Calling resource(DELETE) with [%s]=[%s]...",key.c_str(),value.c_str());
ansond 21:8487990a3baa 297 this->del(value);
ansond 21:8487990a3baa 298
ansond 21:8487990a3baa 299 // build out the response and send...
ansond 21:8487990a3baa 300 this->logger()->log("resource(DELETE) completed for [%s]...",key.c_str());
ansond 21:8487990a3baa 301 coap_res_ptr = sn_coap_build_response(received_coap_ptr,COAP_MSG_CODE_RESPONSE_CHANGED);
ansond 21:8487990a3baa 302 sn_nsdl_send_coap_message(address,coap_res_ptr);
ansond 21:8487990a3baa 303 } else {
ansond 21:8487990a3baa 304 this->logger()->log("ERROR: resource(DELETE) mask is munged (mask: 0x%x)",this->m_res_mask);
ansond 21:8487990a3baa 305 }
ansond 21:8487990a3baa 306 } else {
ansond 21:8487990a3baa 307 this->logger()->log("ERROR: Binder(DELETE) payload is NULL...");
ansond 21:8487990a3baa 308 }
ansond 0:b438482ebbfc 309 }
ansond 0:b438482ebbfc 310
ansond 0:b438482ebbfc 311 sn_coap_parser_release_allocated_coap_msg_mem(coap_res_ptr);
ansond 22:192b598ba389 312
ansond 0:b438482ebbfc 313 return 0;
sam_grove 2:853f9ecc12df 314 }
sam_grove 2:853f9ecc12df 315
ansond 21:8487990a3baa 316 // send the notification
ansond 21:8487990a3baa 317 int DynamicResource::notify(const string data) {
ansond 21:8487990a3baa 318 return this->notify((uint8_t *)data.c_str(),(int)data.length());
ansond 21:8487990a3baa 319 }
ansond 21:8487990a3baa 320
ansond 21:8487990a3baa 321 // send the notification
ansond 21:8487990a3baa 322 int DynamicResource::notify(uint8_t *data,int data_length) {
ansond 27:eb6818ad257a 323 uint8_t *notify_data = NULL;
ansond 27:eb6818ad257a 324 int notify_data_length = 0;
ansond 27:eb6818ad257a 325
ansond 27:eb6818ad257a 326 // convert the string from the GET to something suitable for CoAP payloads
ansond 27:eb6818ad257a 327 if (this->getDataWrapper() != NULL) {
ansond 27:eb6818ad257a 328 // wrap the data...
ansond 27:eb6818ad257a 329 this->getDataWrapper()->wrap((uint8_t *)data,data_length);
ansond 27:eb6818ad257a 330
ansond 27:eb6818ad257a 331 // announce (after wrap)
ansond 37:5de33aed0cac 332 //this->logger()->log("Notify payload [%s]...",this->getDataWrapper()->get());
ansond 27:eb6818ad257a 333
ansond 27:eb6818ad257a 334 // fill notify
ansond 27:eb6818ad257a 335 notify_data_length = this->getDataWrapper()->length();
ansond 27:eb6818ad257a 336 notify_data = this->getDataWrapper()->get();
ansond 27:eb6818ad257a 337 }
ansond 27:eb6818ad257a 338 else {
ansond 27:eb6818ad257a 339 // announce (no wrap)
ansond 37:5de33aed0cac 340 //this->logger()->log("Notify payload [%s]...",data);
ansond 27:eb6818ad257a 341
ansond 27:eb6818ad257a 342 // do not wrap the data...
ansond 27:eb6818ad257a 343 notify_data_length = data_length;
ansond 27:eb6818ad257a 344 notify_data = data;
ansond 27:eb6818ad257a 345 }
ansond 27:eb6818ad257a 346
ansond 27:eb6818ad257a 347 // send the observation...
ansond 27:eb6818ad257a 348 int status = sn_nsdl_send_observation_notification(this->m_obs_token_ptr,this->m_obs_token_len,notify_data,notify_data_length,&this->m_obs_number,1,COAP_MSG_TYPE_NON_CONFIRMABLE,0);
ansond 21:8487990a3baa 349 if (status == 0) {
ansond 21:8487990a3baa 350 this->logger()->log("ERROR: resource(NOTIFY) send failed...");
ansond 21:8487990a3baa 351 }
ansond 48:4b9ee3e32f93 352 else {
ansond 48:4b9ee3e32f93 353 ++(this->m_obs_number);
ansond 48:4b9ee3e32f93 354 }
ansond 27:eb6818ad257a 355
ansond 27:eb6818ad257a 356 // return our status
ansond 21:8487990a3baa 357 return status;
ansond 21:8487990a3baa 358 }
ansond 21:8487990a3baa 359
sam_grove 2:853f9ecc12df 360 // default PUT (does nothing)
sam_grove 2:853f9ecc12df 361 void DynamicResource::put(const string value)
sam_grove 2:853f9ecc12df 362 {
sam_grove 2:853f9ecc12df 363 // not used by default
sam_grove 2:853f9ecc12df 364 ;
sam_grove 2:853f9ecc12df 365 }
sam_grove 2:853f9ecc12df 366
ansond 21:8487990a3baa 367 // default POST (does nothing)
ansond 21:8487990a3baa 368 void DynamicResource::post(const string value)
ansond 21:8487990a3baa 369 {
ansond 21:8487990a3baa 370 // not used by default
ansond 21:8487990a3baa 371 ;
ansond 21:8487990a3baa 372 }
ansond 21:8487990a3baa 373
ansond 21:8487990a3baa 374 // default DELETE (does nothing)
ansond 21:8487990a3baa 375 void DynamicResource::del(const string value)
ansond 21:8487990a3baa 376 {
ansond 21:8487990a3baa 377 // not used by default
ansond 21:8487990a3baa 378 ;
ansond 21:8487990a3baa 379 }
ansond 21:8487990a3baa 380
ansond 30:113c2a1d8db2 381 // default observe behavior
ansond 30:113c2a1d8db2 382 void DynamicResource::observe() {
ansond 30:113c2a1d8db2 383 if (this->m_observable == true) {
ansond 30:113c2a1d8db2 384 this->notify(this->get());
ansond 30:113c2a1d8db2 385 }
ansond 30:113c2a1d8db2 386 }
ansond 30:113c2a1d8db2 387
ansond 31:bacc63106754 388 // set the observer pointer
ansond 31:bacc63106754 389 void DynamicResource::setObserver(void *observer) {
ansond 31:bacc63106754 390 this->m_observer = observer;
ansond 31:bacc63106754 391 }
ansond 31:bacc63106754 392
sam_grove 2:853f9ecc12df 393 // convenience method to get the URI from its buffer field...
sam_grove 2:853f9ecc12df 394 string DynamicResource::coapDataToString(uint8_t *coap_data_ptr,int coap_data_ptr_length)
sam_grove 2:853f9ecc12df 395 {
ansond 0:b438482ebbfc 396 if (coap_data_ptr != NULL && coap_data_ptr_length > 0) {
ansond 24:a6915e19814e 397 if (this->getDataWrapper() != NULL) {
ansond 24:a6915e19814e 398 // unwrap the data...
ansond 24:a6915e19814e 399 this->getDataWrapper()->unwrap(coap_data_ptr,coap_data_ptr_length);
ansond 24:a6915e19814e 400 char *buf = (char *)this->getDataWrapper()->get(); // assumes data is null terminated in DataWrapper...
ansond 24:a6915e19814e 401 return string(buf);
ansond 24:a6915e19814e 402 }
ansond 24:a6915e19814e 403 else {
ansond 24:a6915e19814e 404 // no unwrap of the data...
ansond 24:a6915e19814e 405 char buf[MAX_VALUE_BUFFER_LENGTH+1];
ansond 24:a6915e19814e 406 memset(buf,0,MAX_VALUE_BUFFER_LENGTH+1);
ansond 24:a6915e19814e 407 memcpy(buf,(char *)coap_data_ptr,coap_data_ptr_length);
ansond 24:a6915e19814e 408 return string(buf);
ansond 24:a6915e19814e 409 }
ansond 0:b438482ebbfc 410 }
ansond 0:b438482ebbfc 411 return string("");
sam_grove 2:853f9ecc12df 412 }