1 //******************************************************************
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3 // Copyright 2016 Samsung Electronics All Rights Reserved.
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5 //-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
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7 // Licensed under the Apache License, Version 2.0 (the "License");
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8 // you may not use this file except in compliance with the License.
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9 // You may obtain a copy of the License at
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11 // http://www.apache.org/licenses/LICENSE-2.0
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13 // Unless required by applicable law or agreed to in writing, software
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14 // distributed under the License is distributed on an "AS IS" BASIS,
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15 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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16 // See the License for the specific language governing permissions and
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17 // limitations under the License.
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19 //-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
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21 #include "NSProviderTopic.h"
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22 #include "oic_string.h"
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23 #include "oic_malloc.h"
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24 #include <pthread.h>
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26 NSResult NSSendTopicUpdation();
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28 NSResult NSInitTopicList()
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30 NS_LOG(DEBUG, "NSInitTopicList - IN");
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32 consumerTopicList = NSProviderStorageCreate();
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33 NS_VERIFY_NOT_NULL(consumerTopicList, NS_FAIL);
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34 consumerTopicList->cacheType = NS_PROVIDER_CACHE_CONSUMER_TOPIC_NAME;
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36 registeredTopicList = NSProviderStorageCreate();
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37 NS_VERIFY_NOT_NULL(registeredTopicList, NS_FAIL);
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38 registeredTopicList->cacheType = NS_PROVIDER_CACHE_REGISTER_TOPIC;
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40 NS_LOG(DEBUG, "NSInitTopicList - OUT");
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44 size_t NSProviderGetTopicListSize(NSTopicLL * firstElement)
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53 NSTopicLL * iter = firstElement;
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64 NSResult NSRegisterTopic(const char * topicName)
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66 NS_LOG(DEBUG, "NSWriteTopicsToStorage()");
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68 NSCacheTopicData * data = (NSCacheTopicData *) OICMalloc(sizeof(NSCacheTopicData));
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69 NS_VERIFY_NOT_NULL(data, NS_FAIL);
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70 data->topicName = (char *) topicName;
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71 data->state = NS_TOPIC_UNSUBSCRIBED;
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73 NSCacheElement * element = (NSCacheElement *) OICMalloc(sizeof(NSCacheElement));
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76 OICFree(data->topicName);
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80 element->data = (void *) data;
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81 element->next = NULL;
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83 if(NSProviderStorageWrite(registeredTopicList, element) != NS_OK)
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85 NS_LOG(DEBUG, "fail to write cache");
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88 NSSendTopicUpdation();
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90 NS_LOG(DEBUG, "NSWriteTopicsToStorage() NS_OK");
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94 NSResult NSUnregisterTopic(const char * topicName)
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96 NS_LOG(DEBUG, "NSDeleteTopics()");
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97 NSResult result = NS_OK;
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101 NS_LOG(ERROR, "topicName is NULL");
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105 result = NSProviderStorageDelete(registeredTopicList, topicName);
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106 while (NSProviderStorageDelete(consumerTopicList, topicName) != NS_FAIL)
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110 if (result == NS_OK)
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112 NSSendTopicUpdation();
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118 NSResult NSSendTopicUpdation()
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120 NS_LOG(DEBUG, "NSSendTopicUpdation - IN");
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122 OCRepPayload* payload = OCRepPayloadCreate();
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126 NS_LOG(ERROR, "fail to create playload");
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130 OCResourceHandle rHandle = NULL;
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131 if (NSPutMessageResource(NULL, &rHandle) != NS_OK)
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133 NS_LOG(ERROR, "Fail to put message resource");
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137 OCRepPayloadSetUri(payload, NS_COLLECTION_MESSAGE_URI);
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138 OCRepPayloadSetPropInt(payload, NS_ATTRIBUTE_MESSAGE_ID, NS_TOPIC);
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139 OCRepPayloadSetPropString(payload, NS_ATTRIBUTE_PROVIDER_ID, NSGetProviderInfo()->providerId);
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141 OCObservationId obArray[255] =
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145 NSCacheElement * it = consumerSubList->head;
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149 NSCacheSubData * subData = (NSCacheSubData *) it->data;
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151 if (subData->isWhite)
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153 if (subData->messageObId != 0)
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155 obArray[obCount++] = subData->messageObId;
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158 #if(defined WITH_CLOUD && defined RD_CLIENT)
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159 if(subData->remote_messageObId != 0)
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161 obArray[obCount++] = subData->remote_messageObId;
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170 NS_LOG(ERROR, "observer count is zero");
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174 if (OCNotifyListOfObservers(rHandle, obArray, obCount, payload, OC_HIGH_QOS) != OC_STACK_OK)
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176 NS_LOG(ERROR, "fail to send topic updation");
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177 OCRepPayloadDestroy(payload);
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181 OCRepPayloadDestroy(payload);
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183 NS_LOG(DEBUG, "NSSendTopicUpdation - OUT");
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187 NSResult NSSendTopicUpdationToConsumer(char *consumerId)
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189 NS_LOG(DEBUG, "NSSendTopicUpdationToConsumer - IN");
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191 OCRepPayload* payload = OCRepPayloadCreate();
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195 NS_LOG(ERROR, "fail to create playload");
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199 OCResourceHandle rHandle = NULL;
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200 if (NSPutMessageResource(NULL, &rHandle) != NS_OK)
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202 NS_LOG(ERROR, "Fail to put message resource");
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206 OCRepPayloadSetUri(payload, NS_COLLECTION_MESSAGE_URI);
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207 OCRepPayloadSetPropInt(payload, NS_ATTRIBUTE_MESSAGE_ID, NS_TOPIC);
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208 OCRepPayloadSetPropString(payload, NS_ATTRIBUTE_PROVIDER_ID, NSGetProviderInfo()->providerId);
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210 NSCacheElement * element = NSProviderStorageRead(consumerSubList, consumerId);
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212 if (element == NULL)
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214 NS_LOG(ERROR, "element is NULL");
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218 NSCacheSubData * subData = (NSCacheSubData*) element->data;
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220 if (OCNotifyListOfObservers(rHandle, (OCObservationId*) &subData->messageObId, 1, payload,
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221 OC_HIGH_QOS) != OC_STACK_OK)
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223 NS_LOG(ERROR, "fail to send topic updation");
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224 OCRepPayloadDestroy(payload);
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228 OCRepPayloadDestroy(payload);
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230 NS_LOG(DEBUG, "NSSendTopicUpdationToConsumer - OUT");
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234 NSResult NSSendTopicList(OCEntityHandlerRequest * entityHandlerRequest)
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236 NS_LOG(DEBUG, "NSSendTopicList - IN");
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238 char * id = NSGetValueFromQuery(OICStrdup(entityHandlerRequest->query), NS_QUERY_CONSUMER_ID);
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239 NSTopicLL * topics = NULL;
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243 NS_LOG(DEBUG, "Send registered topic list");
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244 topics = NSProviderGetTopicsCacheData(registeredTopicList);
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248 NS_LOG(DEBUG, "Send subscribed topic list to consumer");
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249 topics = NSProviderGetConsumerTopicsCacheData(registeredTopicList, consumerTopicList, id);
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252 topics = NSProviderGetTopicsCacheData(registeredTopicList);
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256 // make response for the Get Request
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257 OCEntityHandlerResponse response;
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258 response.numSendVendorSpecificHeaderOptions = 0;
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259 memset(response.sendVendorSpecificHeaderOptions, 0,
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260 sizeof response.sendVendorSpecificHeaderOptions);
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261 memset(response.resourceUri, 0, sizeof response.resourceUri);
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263 OCRepPayload* payload = OCRepPayloadCreate();
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266 NS_LOG(ERROR, "payload is NULL");
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270 OCRepPayloadSetUri(payload, NS_COLLECTION_TOPIC_URI);
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273 OCRepPayloadSetPropString(payload, NS_ATTRIBUTE_CONSUMER_ID, id);
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275 OCRepPayloadSetPropString(payload, NS_ATTRIBUTE_PROVIDER_ID, NSGetProviderInfo()->providerId);
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279 NS_LOG(DEBUG, "topicList is NULL");
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280 size_t dimensionSize = (size_t) NSProviderGetTopicListSize(topics);
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282 NS_LOG_V(DEBUG, "dimensionSize = %d", (int)dimensionSize);
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284 if (!dimensionSize)
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289 OCRepPayload** payloadTopicArray = (OCRepPayload **) OICMalloc(
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290 sizeof(OCRepPayload *) * dimensionSize);
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292 size_t dimensions[3] =
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293 { dimensionSize, 0, 0 };
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295 for (int i = 0; i < (int) dimensionSize; i++)
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297 NS_LOG_V(DEBUG, "topicName = %s", topics->topicName);
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298 NS_LOG_V(DEBUG, "topicState = %d",(int) topics->state);
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300 payloadTopicArray[i] = OCRepPayloadCreate();
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301 NS_VERIFY_NOT_NULL(payloadTopicArray[i], NS_ERROR);
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302 OCRepPayloadSetPropString(payloadTopicArray[i], NS_ATTRIBUTE_TOPIC_NAME,
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303 topics->topicName);
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304 OCRepPayloadSetPropInt(payloadTopicArray[i], NS_ATTRIBUTE_TOPIC_SELECTION,
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305 (int) topics->state);
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307 topics = topics->next;
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310 OCRepPayloadSetPropObjectArray(payload, NS_ATTRIBUTE_TOPIC_LIST,
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311 (const OCRepPayload**) (payloadTopicArray), dimensions);
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315 size_t dimensions[3] =
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318 OCRepPayloadSetPropObjectArrayAsOwner(payload, NS_ATTRIBUTE_TOPIC_LIST,
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319 (OCRepPayload **) NULL, dimensions);
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322 response.requestHandle = entityHandlerRequest->requestHandle;
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323 response.resourceHandle = entityHandlerRequest->resource;
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324 response.persistentBufferFlag = 0;
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325 response.ehResult = OC_EH_OK;
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326 response.payload = (OCPayload *) payload;
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328 if (OCDoResponse(&response) != OC_STACK_OK)
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330 NS_LOG(ERROR, "Fail to response topic list");
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333 OCRepPayloadDestroy(payload);
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335 NS_LOG(DEBUG, "NSSendTopicList - OUT");
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339 NSResult NSPostConsumerTopics(OCEntityHandlerRequest * entityHandlerRequest)
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341 NS_LOG(DEBUG, "NSPostConsumerTopics() - IN");
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343 char * consumerId = NULL;
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344 OCRepPayload * payload = (OCRepPayload *) entityHandlerRequest->payload;
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345 OCRepPayloadGetPropString(payload, NS_ATTRIBUTE_CONSUMER_ID, &consumerId);
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349 NS_LOG(DEBUG, "Invalid consumer ID");
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353 NS_LOG_V(DEBUG, "TOPIC consumer ID = %s", consumerId);
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355 consumerTopicList->cacheType = NS_PROVIDER_CACHE_CONSUMER_TOPIC_CID;
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357 while (NSProviderStorageDelete(consumerTopicList, consumerId) != NS_FAIL)
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360 consumerTopicList->cacheType = NS_PROVIDER_CACHE_CONSUMER_TOPIC_NAME;
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362 OCRepPayload ** topicListPayload = NULL;
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363 OCRepPayloadValue * payloadValue = NULL;
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364 payloadValue = NSPayloadFindValue(payload, NS_ATTRIBUTE_TOPIC_LIST);
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365 size_t dimensionSize = calcDimTotal(payloadValue->arr.dimensions);
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366 size_t dimensions[3] =
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367 { dimensionSize, 0, 0 };
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368 OCRepPayloadGetPropObjectArray(payload, NS_ATTRIBUTE_TOPIC_LIST, &topicListPayload, dimensions);
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370 for (int i = 0; i < (int) dimensionSize; i++)
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372 char * topicName = NULL;
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373 int64_t topicState = 0;
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375 OCRepPayloadGetPropString(topicListPayload[i], NS_ATTRIBUTE_TOPIC_NAME, &topicName);
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376 OCRepPayloadGetPropInt(topicListPayload[i], NS_ATTRIBUTE_TOPIC_SELECTION, &topicState);
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377 NS_LOG_V(DEBUG, "Topic Name(state): %s(%d)", topicName, (int)topicState);
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379 if (NS_TOPIC_SUBSCRIBED == (NSTopicState) topicState)
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381 NSCacheTopicSubData * topicSubData = (NSCacheTopicSubData *) OICMalloc(
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382 sizeof(NSCacheTopicSubData));
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383 NS_VERIFY_NOT_NULL(topicSubData, NS_FAIL);
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385 OICStrcpy(topicSubData->id, NS_UUID_STRING_SIZE, consumerId);
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386 topicSubData->topicName = OICStrdup(topicName);
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388 NSCacheElement * newObj = (NSCacheElement *) OICMalloc(sizeof(NSCacheElement));
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392 OICFree(topicSubData->topicName);
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393 OICFree(topicSubData);
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397 newObj->data = (NSCacheData *) topicSubData;
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398 newObj->next = NULL;
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400 NSProviderStorageWrite(consumerTopicList, newObj);
403 NSSendTopicUpdationToConsumer(consumerId);
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405 NS_LOG(DEBUG, "NSPostConsumerTopics() - OUT");
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409 void * NSTopicSchedule(void * ptr)
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413 NS_LOG(DEBUG, "Create NSTopicSchedule");
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416 while (NSIsRunning[TOPIC_SCHEDULER])
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418 sem_wait(&NSSemaphore[TOPIC_SCHEDULER]);
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419 pthread_mutex_lock(&NSMutex[TOPIC_SCHEDULER]);
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421 if (NSHeadMsg[TOPIC_SCHEDULER] != NULL)
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423 NSTask *node = NSHeadMsg[TOPIC_SCHEDULER];
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424 NSHeadMsg[TOPIC_SCHEDULER] = node->nextTask;
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426 switch (node->taskType)
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428 case TASK_SEND_TOPICS:
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429 NS_LOG(DEBUG, "CASE TASK_SEND_TOPICS : ");
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430 NSSendTopicList((OCEntityHandlerRequest*) node->taskData);
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431 NSFreeOCEntityHandlerRequest((OCEntityHandlerRequest*) node->taskData);
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433 case TASK_SUBSCRIBE_TOPIC:
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435 NS_LOG(DEBUG, "CASE TASK_SUBSCRIBE_TOPIC : ");
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436 NSCacheElement * newObj = (NSCacheElement *) OICMalloc(sizeof(NSCacheElement));
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439 newObj->data = node->taskData;
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440 newObj->next = NULL;
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441 if (NSProviderStorageWrite(consumerTopicList, newObj) == NS_OK)
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443 NSCacheTopicSubData * topicSubData =
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444 (NSCacheTopicSubData *) node->taskData;
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445 NSSendTopicUpdationToConsumer(topicSubData->id);
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450 case TASK_UNSUBSCRIBE_TOPIC:
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452 NS_LOG(DEBUG, "CASE TASK_SUBSCRIBE_TOPIC : ");
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453 NSCacheTopicSubData * topicSubData = (NSCacheTopicSubData *) node->taskData;
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454 if (NSProviderDeleteConsumerTopic(consumerTopicList,
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455 (NSCacheTopicSubData *) node->taskData) == NS_OK)
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457 NSSendTopicUpdationToConsumer(topicSubData->id);
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459 OICFree(topicSubData->topicName);
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460 OICFree(topicSubData);
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463 case TASK_REGISTER_TOPIC:
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465 NS_LOG(DEBUG, "CASE TASK_ADD_TOPIC : ");
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466 NSTopicSyncResult * topicSyncResult = (NSTopicSyncResult *) node->taskData;
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468 pthread_mutex_lock(topicSyncResult->mutex);
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469 topicSyncResult->result = NSRegisterTopic(
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470 (const char *) topicSyncResult->topicName);
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471 pthread_cond_signal(topicSyncResult->condition);
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472 pthread_mutex_unlock(topicSyncResult->mutex);
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475 case TASK_UNREGISTER_TOPIC:
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477 NS_LOG(DEBUG, "CASE_TASK_DELETE_TOPIC : ");
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478 NSTopicSyncResult * topicSyncResult = (NSTopicSyncResult *) node->taskData;
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479 pthread_mutex_lock(topicSyncResult->mutex);
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480 topicSyncResult->result = NSUnregisterTopic(
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481 (const char *) topicSyncResult->topicName);
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482 pthread_cond_signal(topicSyncResult->condition);
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483 pthread_mutex_unlock(topicSyncResult->mutex);
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486 case TASK_POST_TOPIC:
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488 NS_LOG(DEBUG, "TASK_POST_TOPIC : ");
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489 NSPostConsumerTopics((OCEntityHandlerRequest*) node->taskData);
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490 NSFreeOCEntityHandlerRequest((OCEntityHandlerRequest*) node->taskData);
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493 case TASK_GET_TOPICS:
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495 NS_LOG(DEBUG, "TASK_GET_TOPICS : ");
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496 NSTopicSync * topicSync = (NSTopicSync *) node->taskData;
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497 pthread_mutex_lock(topicSync->mutex);
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498 NSTopicLL * topics = NSProviderGetTopicsCacheData(registeredTopicList);
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499 topicSync->topics = topics;
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500 pthread_cond_signal(topicSync->condition);
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501 pthread_mutex_unlock(topicSync->mutex);
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504 case TAST_GET_CONSUMER_TOPICS:
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506 NS_LOG(DEBUG, "TASK_GET_CONSUMER_TOPICS : ");
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507 NSTopicSync * topicSync = (NSTopicSync *) node->taskData;
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508 pthread_mutex_lock(topicSync->mutex);
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509 NSTopicLL * topics = NSProviderGetConsumerTopicsCacheData(registeredTopicList,
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510 consumerTopicList, topicSync->consumerId);
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511 topicSync->topics = topics;
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512 pthread_cond_signal(topicSync->condition);
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513 pthread_mutex_unlock(topicSync->mutex);
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523 pthread_mutex_unlock(&NSMutex[TOPIC_SCHEDULER]);
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526 NS_LOG(DEBUG, "Destroy NSTopicSchedule");
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