LCOV - code coverage report
Current view: top level - src/core/resource - resource_manager.cpp (source / functions) Hit Total Coverage
Test: libopenmodelviewer coverage Lines: 65 69 94.2 %
Date: 2025-07-03 20:26:48 Functions: 8 8 100.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : // Copyright 2024 OpenModelViewer Authors
       2             : //
       3             : // Licensed under the Apache License, Version 2.0 (the "License");
       4             : // you may not use this file except in compliance with the License.
       5             : // You may obtain a copy of the License at
       6             : //     http://www.apache.org/licenses/LICENSE-2.0
       7             : //
       8             : // Unless required by applicable law or agreed to in writing, software
       9             : // distributed under the License is distributed on an "AS IS" BASIS,
      10             : // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      11             : // See the License for the specific language governing permissions and
      12             : // limitations under the License.
      13             : //
      14             : 
      15             : #include "openmodelviewer/core/resource/resource_manager.hpp"
      16             : #include "openmodelviewer/core/resource/loader/text_loader.hpp"
      17             : 
      18             : namespace openmodelviewer::core::resource
      19             : {
      20          50 :     ResourceManager::ResourceManager(TaskScheduler& scheduler)
      21          50 :         : m_scheduler(scheduler)
      22             :     {
      23             :         // Import loaders
      24          50 :         ResourceLoaderRegistry<std::string>::loader = loader::loadTextFile;
      25          50 :     }
      26             : 
      27          50 :     ResourceManager::~ResourceManager()
      28             :     {
      29          50 :         this->clear();
      30          50 :     }
      31             : 
      32          16 :     ResourceStatus ResourceManager::getStatus(const ResourceHandle& handle) const noexcept
      33             :     {
      34          16 :         std::lock_guard<std::mutex> lockg(m_loadMutex);
      35          16 :         if (m_loadTasks.contains(handle))
      36             :         {
      37           8 :             return m_loadTasks.at(handle)->errored() ? ResourceStatus::Failed : ResourceStatus::Loading;
      38             :         }
      39             : 
      40           8 :         if (isCached(handle))
      41             :         {
      42           2 :             return ResourceStatus::Ready;
      43             :         }
      44             : 
      45           6 :         return ResourceStatus::Invalid;
      46          16 :     }
      47             : 
      48           3 :     void ResourceManager::rethrowAndForget(const ResourceHandle& handle)
      49             :     {
      50           3 :         std::shared_ptr<ITaskData> tdata;
      51             : 
      52             :         {
      53           3 :             std::lock_guard<std::mutex> lockg(m_loadMutex);
      54           3 :             auto it = m_loadTasks.find(handle);
      55           3 :             if (it == m_loadTasks.end())
      56             :             {
      57           2 :                 throw std::logic_error("Cannot rethrow: no errored task exist for this handle.");
      58             :             }
      59             : 
      60           1 :             tdata = it->second;
      61             : 
      62           1 :             if (!tdata->errored())
      63             :             {
      64           0 :                 throw std::logic_error("Cannot rethrow: task did not fail.");
      65             :             }
      66             : 
      67           1 :             m_loadTasks.erase(it);
      68           3 :         }
      69             : 
      70           2 :         std::rethrow_exception(tdata->exception());
      71           3 :     }
      72             : 
      73           4 :     std::exception_ptr ResourceManager::getErrorAndForget(const ResourceHandle& handle) noexcept
      74             :     {
      75           4 :         std::shared_ptr<ITaskData> tdata;
      76             : 
      77             :         {
      78           4 :             std::lock_guard<std::mutex> lockg(m_loadMutex);
      79           4 :             auto it = m_loadTasks.find(handle);
      80           4 :             if (it == m_loadTasks.end())
      81             :             {
      82           2 :                 return nullptr;
      83             :             }
      84             : 
      85           2 :             tdata = it->second;
      86             : 
      87           2 :             if (!tdata->errored())
      88             :             {
      89           0 :                 return nullptr;
      90             :             }
      91             : 
      92           2 :             m_loadTasks.erase(it);
      93           4 :         }
      94             : 
      95           2 :         return tdata->exception();
      96           4 :     }
      97             : 
      98           5 :     bool ResourceManager::free(const ResourceHandle& handle) noexcept
      99             :     {
     100           5 :         std::lock_guard<std::mutex> lockg(m_loadMutex);
     101           5 :         if (m_loadTasks.contains(handle))
     102             :         {
     103           1 :             if (m_loadTasks.at(handle)->errored())
     104             :             {
     105           0 :                 m_loadTasks.erase(handle);
     106           0 :                 return true;
     107             :             }
     108             :             else
     109             :             {
     110           1 :                 return false;
     111             :             }
     112             :         }
     113             : 
     114           4 :         std::unique_lock<std::shared_mutex> ulock(m_cacheMutex);
     115           4 :         for (auto& it : m_cache)
     116             :         {
     117           3 :             if (it.second->remove(handle))
     118             :             {
     119           3 :                 return true;
     120             :             }
     121             :         }
     122             : 
     123           1 :         return false;
     124           5 :     }
     125             : 
     126          52 :     void ResourceManager::clear() noexcept
     127             :     {
     128             :         {
     129          52 :             std::lock_guard<std::mutex> lockg(m_loadMutex);
     130          52 :             m_loadTasks.clear();
     131          52 :         }
     132             : 
     133          52 :         std::unique_lock<std::shared_mutex> ulock(m_cacheMutex);
     134          70 :         for (auto& it : m_cache)
     135             :         {
     136          18 :             it.second->clear();
     137             :         }
     138          52 :     }
     139             : 
     140           8 :     bool ResourceManager::isCached(const ResourceHandle& handle) const noexcept
     141             :     {
     142           8 :         std::unique_lock<std::shared_mutex> ulock(m_cacheMutex);
     143          12 :         for (auto& it : m_cache)
     144             :         {
     145           6 :             if (it.second->contains(handle))
     146             :             {
     147           2 :                 return true;
     148             :             }
     149             :         }
     150             : 
     151           6 :         return false;
     152           8 :     }
     153             : }

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