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 "NSProviderSubscription.h"
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23 NSResult NSInitSubscriptionList()
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25 NS_LOG(DEBUG, "NSInitSubscriptionList - IN");
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27 consumerSubList = NSCacheCreate();
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28 consumerSubList->cacheType = NS_PROVIDER_CACHE_SUBSCRIBER;
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30 NS_LOG(DEBUG, "NSInitSubscriptionList - OUT");
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34 NSResult NSSetSubscriptionAcceptPolicy(NSAccessPolicy policy)
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36 NS_LOG(DEBUG, "NSSetSubscriptionAcceptPolicy - IN");
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38 if (policy == NS_ACCEPTER_PROVIDER)
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40 OIC_LOG(INFO, SUBSCRIPTION_TAG, "Place Provider as a subscription accepter");
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41 NS_LOG(DEBUG, "Place Provider as a subscription accepter");
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43 else if (policy == NS_ACCEPTER_CONSUMER)
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45 OIC_LOG(INFO, SUBSCRIPTION_TAG, "Place Consumer as a subscription accepter");
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46 NS_LOG(DEBUG, "Place Consumer as a subscription accepter");
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49 NSSubscriptionAccepter = policy;
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51 NS_LOG(DEBUG, "NSSetSubscriptionAcceptPolicy - OUT");
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55 int NSGetSubscriptionAccepter()
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57 return NSSubscriptionAccepter;
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60 NSResult NSSendAccessPolicyResponse(OCEntityHandlerRequest *entityHandlerRequest)
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62 OIC_LOG(DEBUG, NOTIFICATION_TAG, "Send Notification Policy to consumer");
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63 NS_LOG(DEBUG, "NSSendAccessPolicyResponse - IN");
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65 // put notification resource
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66 OCResourceHandle notificationResourceHandle;
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67 if (NSPutNotificationResource(NSGetSubscriptionAccepter(), ¬ificationResourceHandle)
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70 OIC_LOG(ERROR, SUBSCRIPTION_TAG, PCF("Failed to put notification resource"));
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71 NS_LOG(ERROR, "Fail to put notification resource");
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75 // make response for the Get Request
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76 OCEntityHandlerResponse response;
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77 response.numSendVendorSpecificHeaderOptions = 0;
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78 memset(response.sendVendorSpecificHeaderOptions, 0,
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79 sizeof response.sendVendorSpecificHeaderOptions);
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80 memset(response.resourceUri, 0, sizeof response.resourceUri);
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82 OCRepPayload* payload = OCRepPayloadCreate();
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85 OIC_LOG(ERROR, SUBSCRIPTION_TAG, PCF("Failed to allocate Payload"));
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86 NS_LOG(ERROR, "payload is NULL");
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90 OCRepPayloadSetUri(payload, NSGetNotificationUri());
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91 OCRepPayloadSetPropInt(payload, NS_ATTRIBUTE_POLICY, NSGetSubscriptionAccepter());
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92 OCRepPayloadSetPropString(payload, NS_ATTRIBUTE_MESSAGE, NSGetNotificationMessageUri());
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93 OCRepPayloadSetPropString(payload, NS_ATTRIBUTE_SYNC, NSGetNotificationSyncUri());
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95 response.requestHandle = entityHandlerRequest->requestHandle;
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96 response.resourceHandle = entityHandlerRequest->resource;
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97 response.persistentBufferFlag = 0;
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98 response.ehResult = OC_EH_OK;
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99 response.payload = (OCPayload *) payload;
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102 if (OCDoResponse(&response) != OC_STACK_OK)
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104 OIC_LOG(ERROR, SUBSCRIPTION_TAG, PCF("Fail to send response"));
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105 NS_LOG(ERROR, "Fail to AccessPolicy send response");
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108 OCRepPayloadDestroy(payload);
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109 NSFreeOCEntityHandlerRequest(entityHandlerRequest);
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111 NS_LOG(DEBUG, "NSSendAccessPolicyResponse - OUT");
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115 void NSHandleSubscription(OCEntityHandlerRequest *entityHandlerRequest, NSResourceType resourceType)
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118 OIC_LOG(INFO, SUBSCRIPTION_TAG, "Start to subscription process");
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119 NS_LOG(DEBUG, "NSHandleSubscription - IN");
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121 if (resourceType == NS_RESOURCE_MESSAGE)
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123 NS_LOG(DEBUG, "resourceType == NS_RESOURCE_MESSAGE");
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124 NSCacheElement * element = (NSCacheElement *) OICMalloc(sizeof(NSCacheElement));
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125 NSCacheSubData * subData = (NSCacheSubData *) OICMalloc(sizeof(NSCacheSubData));
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127 subData->id = OICStrdup(entityHandlerRequest->devAddr.addr);
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128 subData->isWhite = false;
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129 subData->messageObId = entityHandlerRequest->obsInfo.obsId;
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130 subData->syncObId = 0;
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132 element->data = (void*) subData;
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133 element->next = NULL;
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135 NS_LOG_V(DEBUG, "SubList IP[ID] = [%s]", subData->id);
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136 NS_LOG_V(DEBUG, "SubList message observation ID = [%d]", subData->messageObId);
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138 if (NSCacheWrite(consumerSubList, element) != NS_OK)
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140 NS_LOG(DEBUG, "fail to write cache");
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143 if (NSGetSubscriptionAccepter() == NS_ACCEPTER_PROVIDER)
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145 NS_LOG(DEBUG, "NSGetSubscriptionAccepter == NS_ACCEPTER_PROVIDER");
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146 NSAskAcceptanceToUser(entityHandlerRequest);
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148 else if (NSGetSubscriptionAccepter() == NS_ACCEPTER_CONSUMER)
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150 NS_LOG(DEBUG, "NSGetSubscriptionAccepter == NS_ACCEPTER_CONSUMER");
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151 NSSendSubscriptionResponse(entityHandlerRequest, true);
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154 else if (resourceType == NS_RESOURCE_SYNC)
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156 NS_LOG(DEBUG, "resourceType == NS_RESOURCE_SYNC");
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157 NSCacheElement * element = (NSCacheElement *) OICMalloc(sizeof(NSCacheElement));
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159 NSCacheSubData * subData = (NSCacheSubData *) OICMalloc(sizeof(NSCacheSubData));
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161 subData->id = OICStrdup(entityHandlerRequest->devAddr.addr);
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162 subData->isWhite = false;
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163 subData->syncObId = entityHandlerRequest->obsInfo.obsId;
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164 subData->messageObId = 0;
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166 element->data = (void*) subData;
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167 element->next = NULL;
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169 NS_LOG_V(DEBUG, "SubList IP[ID] = [%s]", subData->id);
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170 NS_LOG_V(DEBUG, "SubList sync observation ID = [%d]", subData->syncObId);
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172 if (NSCacheWrite(consumerSubList, element) != NS_OK)
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174 NS_LOG(ERROR, "Fail to write cache");
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178 NS_LOG(DEBUG, "NSHandleSubscription - OUT");
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181 void NSHandleUnsubscription(OCEntityHandlerRequest *entityHandlerRequest)
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183 OIC_LOG(INFO, SUBSCRIPTION_TAG, "Start to unsubscription process");
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184 NS_LOG(DEBUG, "NSHandleUnsubscription - IN");
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186 NSCacheElement * element = (NSCacheElement *) OICMalloc(sizeof(NSCacheElement));
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187 NSCacheSubData * subData = (NSCacheSubData *) OICMalloc(sizeof(NSCacheSubData));
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188 subData->id = OICStrdup(entityHandlerRequest->devAddr.addr);
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189 subData->isWhite = false;
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190 subData->messageObId = entityHandlerRequest->obsInfo.obsId;
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192 element->data = (void*) subData;
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193 element->next = NULL;
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195 NS_LOG_V(DEBUG, "SubList IP[ID] = [%s]", subData->id);
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196 NS_LOG_V(DEBUG, "SubList observation ID = [%d]", subData->syncObId);
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198 if (NSCacheWrite(consumerSubList, element) != NS_OK)
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200 OIC_LOG(ERROR, SUBSCRIPTION_TAG, "fail to write consumer white list");
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201 NS_LOG(ERROR, "fail to write consumer white list");
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204 NS_LOG(DEBUG, "NSHandleUnsubscription - IN");
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205 NSFreeOCEntityHandlerRequest(entityHandlerRequest);
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208 void NSAskAcceptanceToUser(OCEntityHandlerRequest *entityHandlerRequest)
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210 OIC_LOG(DEBUG, SUBSCRIPTION_TAG, "Ask for user to Allow or Deny");
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211 NS_LOG(DEBUG, "NSAskAcceptanceToUser - IN");
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213 NSPushQueue(RESPONSE_SCHEDULER, TASK_CB_SUBSCRIPTION, entityHandlerRequest);
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215 NS_LOG(DEBUG, "NSAskAcceptanceToUser - OUT");
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218 NSResult NSSendResponse(const char * id, bool accepted)
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220 NS_LOG(DEBUG, "NSSendResponse - IN");
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222 OCRepPayload* payload = OCRepPayloadCreate();
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225 OIC_LOG(ERROR, SUBSCRIPTION_TAG, PCF("Failed to allocate Payload"));
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226 NS_LOG(ERROR, "fail to create playload");
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230 OCResourceHandle rHandle;
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231 if (NSPutMessageResource(NULL, &rHandle) != NS_OK)
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233 OIC_LOG(ERROR, NOTIFICATION_TAG, PCF("Fail to put notification resource"));
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234 NS_LOG(ERROR, "Fail to put notification resource");
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238 OCRepPayloadSetUri(payload, NSGetNotificationMessageUri());
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239 OCRepPayloadSetPropString(payload, NS_ATTRIBUTE_ID, "0000-0000-0000-0000");
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240 OCRepPayloadSetPropBool(payload, NS_ATTRIBUTE_ACCPETANCE, accepted);
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242 NSCacheElement * element = NSCacheRead(consumerSubList, id);
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244 if(element == NULL)
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246 NS_LOG(ERROR, "element is NULL");
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249 NSCacheSubData * subData = (NSCacheSubData*) element->data;
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251 if (OCNotifyListOfObservers(rHandle, (OCObservationId*)&subData->messageObId, 1, payload, OC_HIGH_QOS)
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254 OIC_LOG(ERROR, SUBSCRIPTION_TAG, "fail to send Acceptance");
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255 NS_LOG(ERROR, "fail to send Acceptance");
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256 OCRepPayloadDestroy(payload);
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260 OCRepPayloadDestroy(payload);
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262 NS_LOG(DEBUG, "NSSendResponse - OUT");
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266 NSResult NSSendSubscriptionResponse(OCEntityHandlerRequest *entityHandlerRequest, bool accepted)
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268 OIC_LOG(INFO, SUBSCRIPTION_TAG, "Send ACCEPT message to consumer");
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269 NS_LOG(DEBUG, "NSSendSubscriptionResponse - IN");
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271 if (!entityHandlerRequest)
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273 OIC_LOG (ERROR, LISTENER_TAG, "Invalid request pointer");
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274 return OC_EH_ERROR;
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279 NS_LOG(DEBUG, "accepted is true");
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280 NSCacheElement * element = (NSCacheElement *) OICMalloc(sizeof(NSCacheElement));
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282 NSCacheSubData * subData = (NSCacheSubData *) OICMalloc(sizeof(NSCacheSubData));
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283 subData->id = OICStrdup(entityHandlerRequest->devAddr.addr);
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284 subData->isWhite = true;
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285 subData->messageObId = entityHandlerRequest->obsInfo.obsId;
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287 element->data = (void*) subData;
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288 element->next = NULL;
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290 if (NSCacheWrite(consumerSubList, element) != NS_OK)
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292 OIC_LOG(ERROR, SUBSCRIPTION_TAG, "fail to write consumer white list");
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293 NS_LOG(ERROR, "fail to write consumer white list");
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297 NSSendResponse(entityHandlerRequest->devAddr.addr, accepted);
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298 NSFreeOCEntityHandlerRequest(entityHandlerRequest);
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300 NS_LOG(DEBUG, "NSSendSubscriptionResponse - OUT");
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304 void * NSSubScriptionSchedule(void *ptr)
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309 OIC_LOG(INFO, SUBSCRIPTION_TAG, "Create NSSubscriptionSchedule");
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310 NS_LOG(DEBUG, "Create NSSubScriptionSchedule");
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313 while (NSIsRunning[SUBSCRIPTION_SCHEDULER])
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315 sem_wait(&NSSemaphore[SUBSCRIPTION_SCHEDULER]);
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316 pthread_mutex_lock(&NSMutex[SUBSCRIPTION_SCHEDULER]);
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318 if (NSHeadMsg[SUBSCRIPTION_SCHEDULER] != NULL)
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320 NSTask *node = NSHeadMsg[SUBSCRIPTION_SCHEDULER];
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321 NSHeadMsg[SUBSCRIPTION_SCHEDULER] = node->nextTask;
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323 switch (node->taskType)
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325 case TASK_SEND_POLICY:
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326 NS_LOG(DEBUG, "CASE TASK_SEND_POLICY : ");
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327 NSSendAccessPolicyResponse((OCEntityHandlerRequest*) node->taskData);
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330 case TASK_RECV_SUBSCRIPTION:
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331 NS_LOG(DEBUG, "CASE TASK_RECV_SUBSCRIPTION : ");
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332 NSHandleSubscription((OCEntityHandlerRequest*) node->taskData,
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333 NS_RESOURCE_MESSAGE);
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336 case TASK_RECV_UNSUBSCRIPTION:
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337 NS_LOG(DEBUG, "CASE TASK_RECV_UNSUBSCRIPTION : ");
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338 NSHandleUnsubscription((OCEntityHandlerRequest*) node->taskData);
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341 case TASK_SEND_ALLOW:
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343 NS_LOG(DEBUG, "CASE TASK_SEND_ALLOW : ");
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344 NSConsumer * consumer = (NSConsumer *) node->taskData;
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346 NSCacheSubData * subData = (NSCacheSubData *) OICMalloc(sizeof(NSCacheSubData));
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347 subData->id = OICStrdup(consumer->mId);
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348 subData->isWhite = true;
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349 subData->messageObId = 0;
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350 subData->syncObId = 0;
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352 NSCacheUpdateSubScriptionState(consumerSubList, subData);
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353 NSSendResponse(consumer->mId, true);
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357 case TASK_SEND_DENY:
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359 NS_LOG(DEBUG, "CASE TASK_SEND_DENY : ");
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360 NSConsumer * consumer = (NSConsumer *) node->taskData;
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361 int * pObId = (int *) consumer->mUserData;
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363 NSCacheSubData * subData = (NSCacheSubData *) OICMalloc(sizeof(NSCacheSubData));
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364 subData->id = OICStrdup(consumer->mId);
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365 subData->isWhite = false;
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366 subData->messageObId = 0;
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367 subData->syncObId = 0;
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369 NSCacheUpdateSubScriptionState(consumerSubList, subData);
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370 printf("observer ID = %d\n", *pObId);
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371 NSSendResponse(consumer->mId, false);
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374 case TASK_SYNC_SUBSCRIPTION:
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375 NS_LOG(DEBUG, "CASE TASK_SYNC_SUBSCRIPTION : ");
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376 NSHandleSubscription((OCEntityHandlerRequest*) node->taskData,
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386 pthread_mutex_unlock(&NSMutex[SUBSCRIPTION_SCHEDULER]);
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