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     std::ostringstream requestURI;
  75
  76     switch (result)
  77     {
  78         case OC_STACK_OK:
  79             requestURI << "coap://" << hostAddress << ":" << OC_MULTICAST_PORT <<
  80                        "/oc/core?rt=SoftSensorManager.Sensor";
  81
  82             ret = OC::OCPlatform::findResource("", requestURI.str(), OC_ETHERNET,
  83                                                std::bind(&CResourceFinder::onResourceFound, this, std::placeholders::_1));
  84
  85             if (ret != OC_STACK_OK)
  86                 SSM_CLEANUP_ASSERT(SSM_E_FAIL);
  87
  88             ret = OC::OCPlatform::findResource("", requestURI.str(), OC_WIFI,
  89                                                std::bind(&CResourceFinder::onResourceFound, this, std::placeholders::_1));
  90
  91             if (ret != OC_STACK_OK)
  92                 SSM_CLEANUP_ASSERT(SSM_E_FAIL);
  93
  94             break;
  95
  96         case OC_STACK_PRESENCE_STOPPED:
  97         case OC_STACK_PRESENCE_TIMEOUT:
  98             if (m_mapResources.find(hostAddress) != m_mapResources.end())
  99             {
 100                 while (!m_mapResources[hostAddress].empty())
 101                 {
 102                     pMessage = new intptr_t[2];
 103                     pMessage[0] = RESOURCE_DISCOVER_UNINSTALL_RESOURCE;
 104                     pMessage[1] = reinterpret_cast<intptr_t> (m_mapResourceHandler[m_mapResources[hostAddress].back()]);
 105                     m_mapResources[hostAddress].pop_back();
 106                     m_pTasker->addTask(this, pMessage);
 107                 }
 108
 109                 m_mapResources.erase(hostAddress);
 110             }
 111             break;
 112
 113         case OC_STACK_VIRTUAL_DO_NOT_HANDLE:
 114             break;
 115
 116         default:
 117             break;
 118     }
 119
 120 CLEANUP:
 121     ;
 122 }
 123
 124 SSMRESULT CResourceFinder::startResourceFinder()
 125 {
 126     SSMRESULT res = SSM_E_FAIL;
 127     OCStackResult ret = OC_STACK_ERROR;
 128
 129     std::ostringstream requestURI;
 130     requestURI << OC_WELL_KNOWN_QUERY << "?rt=SoftSensorManager.Sensor";
 131
 132     ret = OC::OCPlatform::findResource("", requestURI.str(), OC_ETHERNET,
 133                                        std::bind(&CResourceFinder::onResourceFound, this, std::placeholders::_1));
 134
 135     if (ret != OC_STACK_OK)
 136         SSM_CLEANUP_ASSERT(SSM_E_FAIL);
 137
 138     ret = OC::OCPlatform::findResource("", requestURI.str(), OC_WIFI,
 139                                        std::bind(&CResourceFinder::onResourceFound, this, std::placeholders::_1));
 140
 141     if (ret != OC_STACK_OK)
 142         SSM_CLEANUP_ASSERT(SSM_E_FAIL);
 143
 144     ret = OC::OCPlatform::subscribePresence(m_multicastPresenceHandle, OC_MULTICAST_IP,
 145                                             "SoftSensorManager.Sensor", OC_ETHERNET, std::bind(&CResourceFinder::presenceHandler, this,
 146                                                     std::placeholders::_1, std::placeholders::_2, std::placeholders::_3));
 147
 148     if (ret != OC_STACK_OK)
 149         SSM_CLEANUP_ASSERT(SSM_E_FAIL);
 150
 151     ret = OC::OCPlatform::subscribePresence(m_multicastPresenceHandle, OC_MULTICAST_IP,
 152                                             "SoftSensorManager.Sensor", OC_WIFI, std::bind(&CResourceFinder::presenceHandler, this,
 153                                                     std::placeholders::_1, std::placeholders::_2, std::placeholders::_3));
 154
 155     if (ret != OC_STACK_OK)
 156         SSM_CLEANUP_ASSERT(SSM_E_FAIL);
 157
 158     res = SSM_S_OK;
 159
 160 CLEANUP:
 161     return res;
 162 }
 163
 164 SSMRESULT CResourceFinder::stopResourceFinder()
 165 {
 166     SSMRESULT res = SSM_E_FAIL;
 167     OCStackResult ret = OC_STACK_ERROR;
 168
 169     ret = OC::OCPlatform::unsubscribePresence(m_multicastPresenceHandle);
 170
 171     if (ret != OC_STACK_OK)
 172         SSM_CLEANUP_ASSERT(SSM_E_FAIL);
 173
 174     m_multicastPresenceHandle = nullptr;
 175
 176     res = SSM_S_OK;
 177
 178 CLEANUP:
 179     return res;
 180 }
 181
 182 SSMRESULT CResourceFinder::startObserveResource(IN ISSMResource *pSensor, IN IEvent *pEvent)
 183 {
 184     return m_mapResourceHandler[pSensor->name]->startObserve(pEvent);
 185 }
 186
 187 SSMRESULT CResourceFinder::stopObserveResource(IN ISSMResource *pSensor)
 188 {
 189     return m_mapResourceHandler[pSensor->name]->stopObserve();
 190 }
 191
 192 void CResourceFinder::onExecute(IN void *pArg)
 193 {
 194     SSMRESULT res = SSM_E_FAIL;
 195     OCStackResult ret = OC_STACK_ERROR;
 196     OC::QueryParamsMap queryParams;
 197     OICResourceHandler *pResourceHandler = NULL;
 198     intptr_t                 *pMessage =  reinterpret_cast<intptr_t *>(pArg);
 199     std::shared_ptr< OC::OCResource > *pResource = NULL;
 200     OC::OCPlatform::OCPresenceHandle presenceHandle = NULL;
 201
 202     std::string resourceHostAddress = "";
 203     std::string resourceFullPath = "";
 204
 205     switch (pMessage[0])
 206     {
 207         case RESOURCE_DISCOVER_REQUESTPROFILE:
 208             pResource = (std::shared_ptr< OC::OCResource > *) pMessage[1];
 209             pResourceHandler = new OICResourceHandler();
 210             SSM_CLEANUP_ASSERT(pResourceHandler->initHandler(*pResource, this));
 211
 212             resourceFullPath = pResource->get()->host() + pResource->get()->uri();
 213
 214             resourceHostAddress = pResource->get()->host();
 215             resourceHostAddress.erase(0, 7);        // erase 'coap://'
 216
 217             m_mapResourceHandler[resourceFullPath] = pResourceHandler;
 218
 219             m_mapResources[resourceHostAddress].push_back(resourceFullPath);
 220
 221             ret = pResource->get()->get(queryParams, std::bind(&OICResourceHandler::onGetResourceProfile,
 222                                         pResourceHandler, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3));
 223
 224             if (ret != OC_STACK_OK)
 225                 SSM_CLEANUP_ASSERT(SSM_E_FAIL);
 226
 227             break;
 228
 229         case RESOURCE_DISCOVER_INSTALL_RESOURCE:
 230             if (m_mapResourcePresenceHandles.find(((ISSMResource *)pMessage[1])->ip) ==
 231                 m_mapResourcePresenceHandles.end())
 232             {
 233                 ret = OC::OCPlatform::subscribePresence(presenceHandle, ((ISSMResource *)pMessage[1])->ip,
 234                                                         "SoftSensorManager.Sensor", OC_ETHERNET, std::bind(&CResourceFinder::presenceHandler, this,
 235                                                                 std::placeholders::_1, std::placeholders::_2, std::placeholders::_3));
 236
 237                 if (ret != OC_STACK_OK)
 238                     SSM_CLEANUP_ASSERT(SSM_E_FAIL);
 239
 240                 ret = OC::OCPlatform::subscribePresence(presenceHandle, ((ISSMResource *)pMessage[1])->ip,
 241                                                         "SoftSensorManager.Sensor", OC_WIFI, std::bind(&CResourceFinder::presenceHandler, this,
 242                                                                 std::placeholders::_1, std::placeholders::_2, std::placeholders::_3));
 243
 244                 if (ret != OC_STACK_OK)
 245                     SSM_CLEANUP_ASSERT(SSM_E_FAIL);
 246
 247                 m_mapResourcePresenceHandles[((ISSMResource *)pMessage[1])->ip] = presenceHandle;
 248             }
 249
 250             m_pResourceFinderEvent->onResourceFound((ISSMResource *) pMessage[1]);
 251             break;
 252
 253         case RESOURCE_DISCOVER_UNINSTALL_RESOURCE:
 254             m_pResourceFinderEvent->onResourceLost(&((OICResourceHandler *) pMessage[1])->m_SSMResource);
 255
 256             if (m_mapResourcePresenceHandles.find(((OICResourceHandler *)pMessage[1])->m_SSMResource.ip) !=
 257                 m_mapResourcePresenceHandles.end())
 258             {
 259                 ret = OC::OCPlatform::unsubscribePresence(m_mapResourcePresenceHandles[((
 260                             OICResourceHandler *)pMessage[1])->m_SSMResource.ip]);
 261
 262                 if (ret != OC_STACK_OK)
 263                     SSM_CLEANUP_ASSERT(SSM_E_FAIL);
 264
 265                 m_mapResourcePresenceHandles.erase(((OICResourceHandler *)pMessage[1])->m_SSMResource.ip);
 266             }
 267
 268             m_mapResourceHandler.erase(((OICResourceHandler *) pMessage[1])->m_SSMResource.name);
 269             break;
 270     }
 271
 272 CLEANUP:
 273     ;
 274 }
 275
 276 void CResourceFinder::onTerminate(IN void *pArg)
 277 {
 278     std::shared_ptr< OC::OCResource > *pResource = NULL;
 279     intptr_t *pMessage = (intptr_t *)pArg;
 280
 281     switch (pMessage[0])
 282     {
 283         case RESOURCE_DISCOVER_REQUESTPROFILE:
 284             pResource = (std::shared_ptr< OC::OCResource > *) pMessage[1];
 285             delete pResource;
 286             break;
 287
 288         case RESOURCE_DISCOVER_INSTALL_RESOURCE:
 289             break;
 290
 291         case RESOURCE_DISCOVER_UNINSTALL_RESOURCE:
 292             break;
 293     }
 294
 295     delete[] pMessage;
 296 }