service/resource-encapsulation/src/resourceBroker/include/ResourcePresence.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_RESOURCEPRESENCE_H_
  22 #define RB_RESOURCEPRESENCE_H_
  23
  24 #include <functional>
  25 #include <list>
  26 #include <string>
  27 #include <boost/atomic.hpp>
  28 #include <mutex>
  29 #include <condition_variable>
  30
  31 #include "BrokerTypes.h"
  32 #include "ExpiryTimer.h"
  33
  34 namespace OIC
  35 {
  36     namespace Service
  37     {
  38         class ResourcePresence : public std::enable_shared_from_this<ResourcePresence>
  39         {
  40         public:
  41             ResourcePresence();
  42             ~ResourcePresence();
  43
  44             void initializeResourcePresence(PrimitiveResourcePtr pResource);
  45
  46             void addBrokerRequester(BrokerID _id, BrokerCB _cb);
  47             void removeBrokerRequester(BrokerID _id);
  48             void removeAllBrokerRequester();
  49
  50             void requestResourceState() const;
  51             void changePresenceMode(BROKER_MODE newMode);
  52
  53             bool isEmptyRequester() const;
  54             int  requesterListSize() const;
  55             const PrimitiveResourcePtr getPrimitiveResource() const;
  56             BROKER_STATE getResourceState() const;
  57
  58         private:
  59             std::unique_ptr<std::list<BrokerRequesterInfoPtr>> requesterList;
  60             PrimitiveResourcePtr primitiveResource;
  61             ExpiryTimer expiryTimer;
  62
  63             BROKER_STATE state;
  64             BROKER_MODE mode;
  65
  66             bool isWithinTime;
  67             boost::atomic_long receivedTime;
  68             std::mutex cbMutex;
  69             unsigned int timeoutHandle;
  70
  71             RequestGetCB pGetCB;
  72             TimerCB pTimeoutCB;
  73             TimerCB pPollingCB;
  74
  75             void registerDevicePresence();
  76         public:
  77             void getCB(const HeaderOptions &hos, const ResponseStatement& rep, int eCode);
  78             void timeOutCB(unsigned int msg);
  79         private:
  80             void verifiedGetResponse(int eCode);
  81
  82             void pollingCB(unsigned int msg = 0);
  83
  84             void executeAllBrokerCB(BROKER_STATE changedState);
  85             void setResourcestate(BROKER_STATE _state);
  86         };
  87     } // namespace Service
  88 } // namespace OIC
  89
  90 #endif /* RB_RESOURCEPRESENCE_H_ */
  91