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 + "/oc/core?rt=SoftSensorManager.Sensor",
  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("", "coap://224.0.1.187/oc/core?rt=SoftSensorManager.Sensor",
 121                                        std::bind(&CResourceFinder::onResourceFound, this, std::placeholders::_1));
 122
 123     if (ret != OC_STACK_OK)
 124         SSM_CLEANUP_ASSERT(SSM_E_FAIL);
 125
 126     ret = OC::OCPlatform::subscribePresence(m_multicastPresenceHandle, "coap://224.0.1.187",
 127                                             "SoftSensorManager.Sensor",
 128                                             std::bind(&CResourceFinder::presenceHandler, this, std::placeholders::_1,
 129                                                     std::placeholders::_2, std::placeholders::_3));
 130
 131     if (ret != OC_STACK_OK)
 132         SSM_CLEANUP_ASSERT(SSM_E_FAIL);
 133
 134     res = SSM_S_OK;
 135
 136 CLEANUP:
 137     return res;
 138 }
 139
 140 SSMRESULT CResourceFinder::stopResourceFinder()
 141 {
 142     SSMRESULT res = SSM_E_FAIL;
 143     OCStackResult ret = OC_STACK_ERROR;
 144
 145     ret = OC::OCPlatform::unsubscribePresence(m_multicastPresenceHandle);
 146
 147     if (ret != OC_STACK_OK)
 148         SSM_CLEANUP_ASSERT(SSM_E_FAIL);
 149
 150     m_multicastPresenceHandle = nullptr;
 151
 152     res = SSM_S_OK;
 153
 154 CLEANUP:
 155     return res;
 156 }
 157
 158 SSMRESULT CResourceFinder::startObserveResource(IN ISSMResource *pSensor, IN IEvent *pEvent)
 159 {
 160     return m_mapResourceHandler[pSensor->name]->startObserve(pEvent);
 161 }
 162
 163 SSMRESULT CResourceFinder::stopObserveResource(IN ISSMResource *pSensor)
 164 {
 165     return m_mapResourceHandler[pSensor->name]->stopObserve();
 166 }
 167
 168 void CResourceFinder::onExecute(IN void *pArg)
 169 {
 170     SSMRESULT res = SSM_E_FAIL;
 171     OCStackResult ret = OC_STACK_ERROR;
 172     OC::QueryParamsMap queryParams;
 173     OICResourceHandler *pResourceHandler = NULL;
 174     intptr_t                 *pMessage =  reinterpret_cast<intptr_t *>(pArg);
 175     std::shared_ptr< OC::OCResource > *pResource = NULL;
 176     OC::OCPlatform::OCPresenceHandle presenceHandle = NULL;
 177
 178     std::string resourceHostAddress = "";
 179     std::string resourceFullPath = "";
 180
 181     switch (pMessage[0])
 182     {
 183         case RESOURCE_DISCOVER_REQUESTPROFILE:
 184             pResource = (std::shared_ptr< OC::OCResource > *) pMessage[1];
 185             pResourceHandler = new OICResourceHandler();
 186             SSM_CLEANUP_ASSERT(pResourceHandler->initHandler(*pResource, this));
 187
 188             resourceFullPath = pResource->get()->host() + pResource->get()->uri();
 189
 190             resourceHostAddress = pResource->get()->host();
 191             resourceHostAddress.erase(0, 7);        // erase 'coap://'
 192
 193             m_mapResourceHandler[resourceFullPath] = pResourceHandler;
 194
 195             m_mapResources[resourceHostAddress].push_back(resourceFullPath);
 196
 197             ret = pResource->get()->get(queryParams,
 198                                         std::bind(&OICResourceHandler::onGetResourceProfile, pResourceHandler,
 199                                                   std::placeholders::_1, std::placeholders::_2, std::placeholders::_3));
 200
 201             if (ret != OC_STACK_OK)
 202                 SSM_CLEANUP_ASSERT(SSM_E_FAIL);
 203
 204             break;
 205
 206         case RESOURCE_DISCOVER_INSTALL_RESOURCE:
 207             if (m_mapResourcePresenceHandles.find(((ISSMResource *)pMessage[1])->ip) ==
 208                 m_mapResourcePresenceHandles.end())
 209             {
 210                 ret = OC::OCPlatform::subscribePresence(presenceHandle, ((ISSMResource *)pMessage[1])->ip,
 211                                                         "SoftSensorManager.Sensor",
 212                                                         std::bind(&CResourceFinder::presenceHandler, this, std::placeholders::_1,
 213                                                                 std::placeholders::_2, std::placeholders::_3));
 214
 215                 if (ret != OC_STACK_OK)
 216                     SSM_CLEANUP_ASSERT(SSM_E_FAIL);
 217
 218                 m_mapResourcePresenceHandles[((ISSMResource *)pMessage[1])->ip] = presenceHandle;
 219             }
 220
 221             m_pResourceFinderEvent->onResourceFound((ISSMResource *) pMessage[1]);
 222             break;
 223
 224         case RESOURCE_DISCOVER_UNINSTALL_RESOURCE:
 225             m_pResourceFinderEvent->onResourceLost(&((OICResourceHandler *) pMessage[1])->m_SSMResource);
 226
 227             if (m_mapResourcePresenceHandles.find(((OICResourceHandler *)pMessage[1])->m_SSMResource.ip) !=
 228                 m_mapResourcePresenceHandles.end())
 229             {
 230                 ret = OC::OCPlatform::unsubscribePresence(
 231                           m_mapResourcePresenceHandles[((OICResourceHandler *)pMessage[1])->m_SSMResource.ip]);
 232
 233                 if (ret != OC_STACK_OK)
 234                     SSM_CLEANUP_ASSERT(SSM_E_FAIL);
 235
 236                 m_mapResourcePresenceHandles.erase(((OICResourceHandler *)pMessage[1])->m_SSMResource.ip);
 237             }
 238
 239             m_mapResourceHandler.erase(((OICResourceHandler *) pMessage[1])->m_SSMResource.name);
 240             break;
 241     }
 242
 243 CLEANUP:
 244     ;
 245 }
 246
 247 void CResourceFinder::onTerminate(IN void *pArg)
 248 {
 249     std::shared_ptr< OC::OCResource > *pResource = NULL;
 250     intptr_t *pMessage = (intptr_t *)pArg;
 251
 252     switch (pMessage[0])
 253     {
 254         case RESOURCE_DISCOVER_REQUESTPROFILE:
 255             pResource = (std::shared_ptr< OC::OCResource > *) pMessage[1];
 256             delete pResource;
 257             break;
 258
 259         case RESOURCE_DISCOVER_INSTALL_RESOURCE:
 260             break;
 261
 262         case RESOURCE_DISCOVER_UNINSTALL_RESOURCE:
 263             break;
 264     }
 265
 266     delete[] pMessage;
 267 }