Branch data     Line data    Source code

       1                 :             : /*
       2                 :             :  * Copyright 2025 Jinwoo Sung
       3                 :             :  *
       4                 :             :  * Licensed under the Apache License, Version 2.0 (the "License");
       5                 :             :  * you may not use this file except in compliance with the License.
       6                 :             :  * You may obtain a copy of the License at
       7                 :             :  *
       8                 :             :  *     http://www.apache.org/licenses/LICENSE-2.0
       9                 :             :  *
      10                 :             :  * Unless required by applicable law or agreed to in writing, software
      11                 :             :  * distributed under the License is distributed on an "AS IS" BASIS,
      12                 :             :  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      13                 :             :  * See the License for the specific language governing permissions and
      14                 :             :  * limitations under the License.
      15                 :             :  */
      16                 :             : 
      17                 :             : #pragma once
      18                 :             : 
      19                 :             : #include <mutex>
      20                 :             : 
      21                 :             : #include "wirestead/base/visibility.hpp"
      22                 :             : #include "wirestead/concurrency/io_context_manager.hpp"
      23                 :             : 
      24                 :             : namespace wirestead {
      25                 :             : namespace builder {
      26                 :             : 
      27                 :             : /**
      28                 :             :  * @brief Helper class that automatically initializes IoContextManager in Builder pattern
      29                 :             :  *
      30                 :             :  * This class automatically starts IoContextManager when using Builder pattern,
      31                 :             :  * eliminating the need for manual initialization by users.
      32                 :             :  */
      33                 :             : class WIRESTEAD_API AutoInitializer {
      34                 :             :  public:
      35                 :             :   /**
      36                 :             :    * @brief Automatically start IoContextManager if not running
      37                 :             :    *
      38                 :             :    * This method is thread-safe and can be called multiple times safely.
      39                 :             :    * If already running, it does nothing.
      40                 :             :    */
      41                 :         245 :   static void ensure_io_context_running() {
      42         [ +  + ]:         245 :     if (!concurrency::IoContextManager::instance().is_running()) {
      43                 :         131 :       std::lock_guard<std::mutex> lock(init_mutex());
      44                 :             :       // Double-check locking
      45   [ +  -  +  -  :         131 :       if (!concurrency::IoContextManager::instance().is_running()) {
                   +  - ]
      46                 :         131 :         concurrency::IoContextManager::instance().start();
      47                 :             :       }
      48                 :         131 :     }
      49                 :         245 :   }
      50                 :             : 
      51                 :             :   /**
      52                 :             :    * @brief Check if IoContextManager is running
      53                 :             :    */
      54                 :           3 :   static bool io_context_running() { return concurrency::IoContextManager::instance().is_running(); }
      55                 :             : 
      56                 :             :  private:
      57                 :             :   static std::mutex& init_mutex();
      58                 :             : };
      59                 :             : 
      60                 :             : }  // namespace builder
      61                 :             : }  // namespace wirestead