service/resource-encapsulation/src/resourceBroker/src/DevicePresence.cpp

   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 #include "DevicePresence.h"
  22 #include "RCSException.h"
  23
  24 namespace OIC
  25 {
  26     namespace Service
  27     {
  28         DevicePresence::DevicePresence()
  29         {
  30             setDeviceState(DEVICE_STATE::REQUESTED);
  31
  32             presenceTimerHandle = 0;
  33             isRunningTimeOut = false;
  34
  35             pSubscribeRequestCB = std::bind(&DevicePresence::subscribeCB, this,
  36                         std::placeholders::_1, std::placeholders::_2, std::placeholders::_3);
  37             pTimeoutCB = std::bind(&DevicePresence::timeOutCB, this, std::placeholders::_1);
  38         }
  39
  40         DevicePresence::~DevicePresence()
  41         {
  42             if(presenceSubscriber.isSubscribing())
  43             {
  44                 OC_LOG_V(DEBUG,BROKER_TAG,"unsubscribed presence.");
  45                 presenceSubscriber.unsubscribe();
  46             }
  47             resourcePresenceList.clear();
  48             OC_LOG_V(DEBUG,BROKER_TAG,"destroy Timer.");
  49         }
  50
  51         void DevicePresence::initializeDevicePresence(PrimitiveResourcePtr pResource)
  52         {
  53             OC_LOG_V(DEBUG, BROKER_TAG, "initializeDevicePresence()");
  54             address = pResource->getHost();
  55
  56             OC_LOG_V(DEBUG, BROKER_TAG, "%s",address.c_str());
  57
  58             try
  59             {
  60                 OC_LOG_V(DEBUG, BROKER_TAG, "subscribe Presence");
  61                 presenceSubscriber
  62                 = PresenceSubscriber(address, BROKER_TRANSPORT, pSubscribeRequestCB);
  63             } catch(RCSPlatformException &e)
  64             {
  65                 OC_LOG_V(DEBUG, BROKER_TAG,
  66                         "exception in subscribe Presence %s", e.getReason().c_str());
  67                 throw;
  68             }
  69             presenceTimerHandle
  70             = presenceTimer.post(BROKER_DEVICE_PRESENCE_TIMEROUT, pTimeoutCB);
  71         }
  72
  73         DEVICE_STATE DevicePresence::getDeviceState() const noexcept
  74         {
  75             return static_cast< DEVICE_STATE >(state.load());
  76         }
  77
  78         void DevicePresence::setDeviceState(DEVICE_STATE newState)
  79         {
  80             state = static_cast< int >(newState);
  81         }
  82
  83         const std::string DevicePresence::getAddress() const
  84         {
  85             OC_LOG_V(DEBUG, BROKER_TAG, "getAddress()");
  86             return address;
  87         }
  88
  89         void DevicePresence::addPresenceResource(ResourcePresence * rPresence)
  90         {
  91             OC_LOG_V(DEBUG, BROKER_TAG, "addPresenceResource()");
  92             resourcePresenceList.push_back(rPresence);
  93         }
  94
  95         void DevicePresence::removePresenceResource(ResourcePresence * rPresence)
  96         {
  97             OC_LOG_V(DEBUG, BROKER_TAG, "removePresenceResource()");
  98             resourcePresenceList.remove(rPresence);
  99         }
 100
 101         void DevicePresence::changeAllPresenceMode(BROKER_MODE mode)
 102         {
 103             OC_LOG_V(DEBUG, BROKER_TAG, "changeAllPresenceMode()");
 104             if(!resourcePresenceList.empty())
 105             {
 106                 for(auto it : resourcePresenceList)
 107                 {
 108                     it->changePresenceMode(mode);
 109                 }
 110             }
 111         }
 112
 113         bool DevicePresence::isEmptyResourcePresence() const
 114         {
 115             OC_LOG_V(DEBUG, BROKER_TAG, "isEmptyResourcePresence()");
 116             return resourcePresenceList.empty();
 117         }
 118
 119         void DevicePresence::subscribeCB(OCStackResult ret,
 120                 const unsigned int seq, const std::string & hostAddress)
 121         {
 122             OC_LOG_V(DEBUG, BROKER_TAG, "subscribeCB()");
 123             OC_LOG_V(DEBUG, BROKER_TAG, "Received presence CB from: %s",hostAddress.c_str());
 124             OC_LOG_V(DEBUG, BROKER_TAG, "In subscribeCB: %d",ret);
 125
 126             if(isRunningTimeOut)
 127             {
 128                 std::unique_lock<std::mutex> lock(timeoutMutex);
 129                 condition.wait(lock);
 130             }
 131             presenceTimer.cancel(presenceTimerHandle);
 132
 133             switch(ret)
 134             {
 135                 case OC_STACK_OK:
 136                 case OC_STACK_RESOURCE_CREATED:
 137                 case OC_STACK_CONTINUE:
 138                 {
 139                     OC_LOG_V(DEBUG, BROKER_TAG, "SEQ# %d",seq);
 140                     setDeviceState(DEVICE_STATE::ALIVE);
 141                     OC_LOG_V(DEBUG, BROKER_TAG, "device state : %d",
 142                             (int)getDeviceState());
 143                     changeAllPresenceMode(BROKER_MODE::DEVICE_PRESENCE_MODE);
 144                     presenceTimerHandle
 145                     = presenceTimer.post(BROKER_DEVICE_PRESENCE_TIMEROUT, pTimeoutCB);
 146                     break;
 147                 }
 148                 case OC_STACK_INVALID_REQUEST_HANDLE:
 149                 case OC_STACK_RESOURCE_DELETED:
 150                 case OC_STACK_TIMEOUT:
 151                 case OC_STACK_COMM_ERROR:
 152                 case OC_STACK_PRESENCE_STOPPED:
 153                 case OC_STACK_PRESENCE_TIMEOUT:
 154                 case OC_STACK_PRESENCE_DO_NOT_HANDLE:
 155                 {
 156                     setDeviceState(DEVICE_STATE::LOST_SIGNAL);
 157                     changeAllPresenceMode(BROKER_MODE::NON_PRESENCE_MODE);
 158                     break;
 159                 }
 160                 default:
 161                 {
 162                     OC_LOG_V(DEBUG, BROKER_TAG, "Presence Lost Signal because unknown type");
 163                     setDeviceState(DEVICE_STATE::LOST_SIGNAL);
 164                     changeAllPresenceMode(BROKER_MODE::NON_PRESENCE_MODE);
 165                     break;
 166                 }
 167             }
 168         }
 169
 170         void DevicePresence::timeOutCB(TimerID /*id*/)
 171         {
 172             OC_LOG_V(DEBUG,BROKER_TAG,"timeOutCB()");
 173             std::unique_lock<std::mutex> lock(timeoutMutex);
 174             isRunningTimeOut = true;
 175
 176             OC_LOG_V(DEBUG, BROKER_TAG,
 177                     "Timeout execution. will be discard after receiving cb message");
 178             setDeviceState(DEVICE_STATE::LOST_SIGNAL);
 179             changeAllPresenceMode(BROKER_MODE::NON_PRESENCE_MODE);
 180
 181             isRunningTimeOut = false;
 182             condition.notify_all();
 183         }
 184     } // namespace Service
 185 } // namespace OIC