service/resource-encapsulation/src/resourceBroker/include/ResourceBroker.h

   1 //******************************************************************
   2 //
   3 // Copyright 2015 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
  21 #ifndef RB_RESOURCEBROKER_H_
  22 #define RB_RESOURCEBROKER_H_
  23
  24 #include <functional>
  25 #include <list>
  26 #include <string>
  27 #include <algorithm>
  28 #include <mutex>
  29 #include <condition_variable>
  30
  31 #include "BrokerTypes.h"
  32 #include "ResourcePresence.h"
  33
  34 namespace OIC
  35 {
  36     namespace Service
  37     {
  38         class ResourceBroker
  39         {
  40         public:
  41             class InvalidParameterException: public RCSException
  42             {
  43             public:
  44                 InvalidParameterException(std::string&& what)
  45                 : RCSException{ std::move(what) } {}
  46             };
  47             class FailedSubscribePresenceException: public PlatformException
  48             {
  49             public:
  50                 FailedSubscribePresenceException(OCStackResult reason)
  51                 : PlatformException{reason} {}
  52             };
  53
  54             static ResourceBroker * getInstance();
  55
  56             BrokerID hostResource(PrimitiveResourcePtr pResource, BrokerCB cb);
  57             void cancelHostResource(BrokerID brokerId);
  58
  59             BROKER_STATE getResourceState(BrokerID brokerId);
  60             BROKER_STATE getResourceState(PrimitiveResourcePtr pResource);
  61
  62         private:
  63             static ResourceBroker * s_instance;
  64             static std::mutex s_mutexForCreation;
  65             static std::unique_ptr<PresenceList>  s_presenceList;
  66             static std::unique_ptr<BrokerIDMap> s_brokerIDMap;
  67
  68             ResourceBroker() = default;
  69             ~ResourceBroker();
  70             ResourceBroker(const ResourceBroker&) = delete;
  71             ResourceBroker(ResourceBroker&&) = delete;
  72
  73             ResourceBroker& operator=(const ResourceBroker&) const = delete;
  74             ResourceBroker& operator=(ResourceBroker&&) const = delete;
  75
  76             void initializeResourceBroker();
  77             BrokerID generateBrokerID();
  78             ResourcePresencePtr findResourcePresence(PrimitiveResourcePtr pResource);
  79         };
  80     } // namespace Service
  81 } // namespace OIC
  82
  83 #endif /* RB_RESOURCEBROKER_H_ */