src/io/FIo_ChannelServiceManager.cpp

   1 //
   2 // Open Service Platform
   3 // Copyright (c) 2012 Samsung Electronics Co., Ltd.
   4 //
   5 // Licensed under the Apache License, Version 2.0 (the License);
   6 // you may not use this file except in compliance with the License.
   7 // You may obtain a copy of the License at
   8 //
   9 //     http://www.apache.org/licenses/LICENSE-2.0
  10 //
  11 // Unless required by applicable law or agreed to in writing, software
  12 // distributed under the License is distributed on an "AS IS" BASIS,
  13 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 // See the License for the specific language governing permissions and
  15 // limitations under the License.
  16 //
  17
  18 /**
  19  * @file        FIo_ChannelServiceManager.cpp
  20  * @brief       This is the implementation file for the _ChannelServiceManager class.
  21  *
  22  */
  23
  24 #include <FBaseSysLog.h>
  25 #include "FIo_ChannelServiceManager.h"
  26 #include "FIo_ChannelServiceProxy.h"
  27 #include "FIo_ChannelServiceStub.h"
  28 #include "FIo_ChannelService.h"
  29
  30 namespace Tizen { namespace Io
  31 {
  32
  33 _ChannelServiceManager* _ChannelServiceManager::__pChannnelServiceManager = null;
  34
  35 _ChannelServiceManager::_ChannelServiceManager(void)
  36         : __pIChannelService(null)
  37 {
  38
  39 }
  40
  41 _ChannelServiceManager::~_ChannelServiceManager(void)
  42 {
  43
  44 }
  45
  46 _ChannelServiceManager*
  47 _ChannelServiceManager::GetInstance(void)
  48 {
  49         // FIXME:
  50         // Use lock to prevent duplicated creation.
  51         if (__pChannnelServiceManager == null)
  52         {
  53                 __pChannnelServiceManager = new (std::nothrow) _ChannelServiceManager;
  54                 SysTryReturn(NID_IO, __pChannnelServiceManager != null, null, E_OUT_OF_MEMORY, "[E_OUT_OF_MEMORY] The memory is insufficient.");
  55         }
  56
  57         return __pChannnelServiceManager;
  58 }
  59
  60 // This method is called by channel daemon.
  61 // Cahnnel daemon should call this before GetChanelService is called.
  62 void
  63 _ChannelServiceManager::SetChannelService(_IChannelService* pIChannelService)
  64 {
  65         __pIChannelService = pIChannelService;
  66 }
  67
  68 // This method returns an _IChannelService interface.
  69 // If this is called by application process a proxy implementation is returned.
  70 // Or if this is called by channel daemon the service implementation is returned.
  71 _IChannelService*
  72 _ChannelServiceManager::GetChannelService(void)
  73 {
  74         if (__pIChannelService == null)
  75         {
  76                 result r = E_SUCCESS;
  77
  78                 _ChannelServiceProxy* pProxy = new (std::nothrow) _ChannelServiceProxy();
  79                 SysTryReturn(NID_IO, pProxy, null, E_OUT_OF_MEMORY, "[E_OUT_OF_MEMORY] The memory is insufficient.");
  80
  81                 r = pProxy->Construct();
  82                 SysTryCatch(NID_IO, !IsFailed(r), , E_SYSTEM, "[E_SYSTEM] Failed to initialize channel proxy.");
  83
  84                 __pIChannelService = pProxy;
  85         }
  86
  87         return __pIChannelService;
  88
  89 CATCH:
  90         delete __pIChannelService;
  91         __pIChannelService = null;
  92
  93         return null;
  94 }
  95
  96 }}