service/soft-sensor-manager/SSMCore/src/SensorProcessor/ResourceFinder.cpp

   1 /******************************************************************
   2  *
   3  * Copyright 2014 Samsung Electronics All Rights Reserved.
   4  *
   5  *
   6  *
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  *
  19  ******************************************************************/
  20 #include "ResourceFinder.h"
  21
  22 SSMRESULT CResourceFinder::finalConstruct()
  23 {
  24     SSMRESULT res = SSM_E_FAIL;
  25
  26     OC::PlatformConfig cfg(OC::ServiceType::InProc, OC::ModeType::Both, "0.0.0.0", 0,
  27                            OC::QualityOfService::LowQos);
  28
  29     SSM_CLEANUP_ASSERT(CreateGlobalInstance(OID_ITasker, (IBase **)&m_pTasker));
  30
  31     OC::OCPlatform::Configure(cfg);
  32
  33     m_pResourceFinderEvent = NULL;
  34
  35     m_multicastPresenceHandle = nullptr;
  36
  37 CLEANUP:
  38     return res;
  39 }
  40
  41 void CResourceFinder::finalRelease()
  42 {
  43 }
  44
  45 SSMRESULT CResourceFinder::registerResourceFinderEvent(IN IResourceFinderEvent *pEvent)
  46 {
  47     m_pResourceFinderEvent = pEvent;
  48     return SSM_S_OK;
  49 }
  50
  51 void CResourceFinder::onResourceFound(std::shared_ptr< OC::OCResource > resource)
  52 {
  53     if (resource)
  54     {
  55         std::string path = resource->host() + resource->uri();
  56
  57         if (m_mapResourceHandler.find(path) != m_mapResourceHandler.end())
  58             return;
  59
  60         intptr_t      *pMessage = new intptr_t [2];
  61         pMessage[0] = RESOURCE_DISCOVER_REQUESTPROFILE;
  62         pMessage[1] = reinterpret_cast<intptr_t> (new  std::shared_ptr<OC::OCResource>(resource));
  63
  64         m_pTasker->addTask(this, pMessage);
  65     }
  66 }
  67
  68 void CResourceFinder::presenceHandler(OCStackResult result, const unsigned int nonce,
  69                                       const std::string &hostAddress)
  70 {
  71     SSMRESULT res = SSM_E_FAIL;
  72     OCStackResult ret = OC_STACK_ERROR;
  73     intptr_t *pMessage = NULL;
  74
  75     switch (result)
  76     {
  77         case OC_STACK_OK:
  78             ret = OC::OCPlatform::findResource("",
  79                                                "coap://" + hostAddress + ":6298" + "/oc/core?rt=SoftSensorManager.Sensor", OC_ALL,
  80                                                std::bind(&CResourceFinder::onResourceFound, this, std::placeholders::_1));
  81
  82             if (ret != OC_STACK_OK)
  83                 SSM_CLEANUP_ASSERT(SSM_E_FAIL);
  84
  85             break;
  86
  87         case OC_STACK_PRESENCE_STOPPED:
  88         case OC_STACK_PRESENCE_TIMEOUT:
  89             if (m_mapResources.find(hostAddress) != m_mapResources.end())
  90             {
  91                 while (!m_mapResources[hostAddress].empty())
  92                 {
  93                     pMessage = new intptr_t[2];
  94                     pMessage[0] = RESOURCE_DISCOVER_UNINSTALL_RESOURCE;
  95                     pMessage[1] = reinterpret_cast<intptr_t> (m_mapResourceHandler[m_mapResources[hostAddress].back()]);
  96                     m_mapResources[hostAddress].pop_back();
  97                     m_pTasker->addTask(this, pMessage);
  98                 }
  99
 100                 m_mapResources.erase(hostAddress);
 101             }
 102             break;
 103
 104         case OC_STACK_VIRTUAL_DO_NOT_HANDLE:
 105             break;
 106
 107         default:
 108             break;
 109     }
 110
 111 CLEANUP:
 112     ;
 113 }
 114
 115 SSMRESULT CResourceFinder::startResourceFinder()
 116 {
 117     SSMRESULT res = SSM_E_FAIL;
 118     OCStackResult ret = OC_STACK_ERROR;
 119
 120     ret = OC::OCPlatform::findResource("",
 121                                        "coap://224.0.1.187:6298/oc/core?rt=SoftSensorManager.Sensor", OC_ALL,
 122                                        std::bind(&CResourceFinder::onResourceFound, this, std::placeholders::_1));
 123
 124     if (ret != OC_STACK_OK)
 125         SSM_CLEANUP_ASSERT(SSM_E_FAIL);
 126
 127     ret = OC::OCPlatform::subscribePresence(m_multicastPresenceHandle, "coap://224.0.1.187",
 128                                             "SoftSensorManager.Sensor", OC_ALL,
 129                                             std::bind(&CResourceFinder::presenceHandler, this, std::placeholders::_1,
 130                                                     std::placeholders::_2, std::placeholders::_3));
 131
 132     if (ret != OC_STACK_OK)
 133         SSM_CLEANUP_ASSERT(SSM_E_FAIL);
 134
 135     res = SSM_S_OK;
 136
 137 CLEANUP:
 138     return res;
 139 }
 140
 141 SSMRESULT CResourceFinder::stopResourceFinder()
 142 {
 143     SSMRESULT res = SSM_E_FAIL;
 144     OCStackResult ret = OC_STACK_ERROR;
 145
 146     ret = OC::OCPlatform::unsubscribePresence(m_multicastPresenceHandle);
 147
 148     if (ret != OC_STACK_OK)
 149         SSM_CLEANUP_ASSERT(SSM_E_FAIL);
 150
 151     m_multicastPresenceHandle = nullptr;
 152
 153     res = SSM_S_OK;
 154
 155 CLEANUP:
 156     return res;
 157 }
 158
 159 SSMRESULT CResourceFinder::startObserveResource(IN ISSMResource *pSensor, IN IEvent *pEvent)
 160 {
 161     return m_mapResourceHandler[pSensor->name]->startObserve(pEvent);
 162 }
 163
 164 SSMRESULT CResourceFinder::stopObserveResource(IN ISSMResource *pSensor)
 165 {
 166     return m_mapResourceHandler[pSensor->name]->stopObserve();
 167 }
 168
 169 void CResourceFinder::onExecute(IN void *pArg)
 170 {
 171     SSMRESULT res = SSM_E_FAIL;
 172     OCStackResult ret = OC_STACK_ERROR;
 173     OC::QueryParamsMap queryParams;
 174     OICResourceHandler *pResourceHandler = NULL;
 175     intptr_t                 *pMessage =  reinterpret_cast<intptr_t *>(pArg);
 176     std::shared_ptr< OC::OCResource > *pResource = NULL;
 177     OC::OCPlatform::OCPresenceHandle presenceHandle = NULL;
 178
 179     std::string resourceHostAddress = "";
 180     std::string resourceFullPath = "";
 181
 182     switch (pMessage[0])
 183     {
 184         case RESOURCE_DISCOVER_REQUESTPROFILE:
 185             pResource = (std::shared_ptr< OC::OCResource > *) pMessage[1];
 186             pResourceHandler = new OICResourceHandler();
 187             SSM_CLEANUP_ASSERT(pResourceHandler->initHandler(*pResource, this));
 188
 189             resourceFullPath = pResource->get()->host() + pResource->get()->uri();
 190
 191             resourceHostAddress = pResource->get()->host();
 192             resourceHostAddress.erase(0, 7);        // erase 'coap://'
 193
 194             m_mapResourceHandler[resourceFullPath] = pResourceHandler;
 195
 196             m_mapResources[resourceHostAddress].push_back(resourceFullPath);
 197
 198             ret = pResource->get()->get(queryParams,
 199                                         std::bind(&OICResourceHandler::onGetResourceProfile, pResourceHandler,
 200                                                   std::placeholders::_1, std::placeholders::_2, std::placeholders::_3));
 201
 202             if (ret != OC_STACK_OK)
 203                 SSM_CLEANUP_ASSERT(SSM_E_FAIL);
 204
 205             break;
 206
 207         case RESOURCE_DISCOVER_INSTALL_RESOURCE:
 208             if (m_mapResourcePresenceHandles.find(((ISSMResource *)pMessage[1])->ip) ==
 209                 m_mapResourcePresenceHandles.end())
 210             {
 211                 ret = OC::OCPlatform::subscribePresence(presenceHandle, ((ISSMResource *)pMessage[1])->ip,
 212                                                         "SoftSensorManager.Sensor", OC_ALL,
 213                                                         std::bind(&CResourceFinder::presenceHandler, this, std::placeholders::_1,
 214                                                                 std::placeholders::_2, std::placeholders::_3));
 215
 216                 if (ret != OC_STACK_OK)
 217                     SSM_CLEANUP_ASSERT(SSM_E_FAIL);
 218
 219                 m_mapResourcePresenceHandles[((ISSMResource *)pMessage[1])->ip] = presenceHandle;
 220             }
 221
 222             m_pResourceFinderEvent->onResourceFound((ISSMResource *) pMessage[1]);
 223             break;
 224
 225         case RESOURCE_DISCOVER_UNINSTALL_RESOURCE:
 226             m_pResourceFinderEvent->onResourceLost(&((OICResourceHandler *) pMessage[1])->m_SSMResource);
 227
 228             if (m_mapResourcePresenceHandles.find(((OICResourceHandler *)pMessage[1])->m_SSMResource.ip) !=
 229                 m_mapResourcePresenceHandles.end())
 230             {
 231                 ret = OC::OCPlatform::unsubscribePresence(
 232                           m_mapResourcePresenceHandles[((OICResourceHandler *)pMessage[1])->m_SSMResource.ip]);
 233
 234                 if (ret != OC_STACK_OK)
 235                     SSM_CLEANUP_ASSERT(SSM_E_FAIL);
 236
 237                 m_mapResourcePresenceHandles.erase(((OICResourceHandler *)pMessage[1])->m_SSMResource.ip);
 238             }
 239
 240             m_mapResourceHandler.erase(((OICResourceHandler *) pMessage[1])->m_SSMResource.name);
 241             break;
 242     }
 243
 244 CLEANUP:
 245     ;
 246 }
 247
 248 void CResourceFinder::onTerminate(IN void *pArg)
 249 {
 250     std::shared_ptr< OC::OCResource > *pResource = NULL;
 251     intptr_t *pMessage = (intptr_t *)pArg;
 252
 253     switch (pMessage[0])
 254     {
 255         case RESOURCE_DISCOVER_REQUESTPROFILE:
 256             pResource = (std::shared_ptr< OC::OCResource > *) pMessage[1];
 257             delete pResource;
 258             break;
 259
 260         case RESOURCE_DISCOVER_INSTALL_RESOURCE:
 261             break;
 262
 263         case RESOURCE_DISCOVER_UNINSTALL_RESOURCE:
 264             break;
 265     }
 266
 267     delete[] pMessage;
 268 }
 269