Line data    Source code

       1              : #ifndef THINGER_HTTP_SERVER_DETAIL_SPAWN_HANDLER_HPP
       2              : #define THINGER_HTTP_SERVER_DETAIL_SPAWN_HANDLER_HPP
       3              : 
       4              : #include <exception>
       5              : #include <utility>
       6              : #include <boost/asio/co_spawn.hpp>
       7              : 
       8              : namespace thinger::http::detail {
       9              : 
      10              : // Log what a coroutine run by spawn_handler() threw, as thrown by the `what` handler
      11              : void log_handler_exception(const char* what, const std::exception_ptr& error);
      12              : 
      13              : // Run a coroutine (or a function returning one) on `executor` (or an io_context), detached:
      14              : // what it throws is logged. Not public: the response and the file server use it, from their
      15              : // .cpp files, for the handlers and bodies that go on once the request handler returned.
      16              : template<typename Executor, typename F>
      17          104 : void spawn_handler(Executor&& executor, const char* what, F&& run) {
      18          104 :     boost::asio::co_spawn(std::forward<Executor>(executor), std::forward<F>(run),
      19          218 :                           [what](const std::exception_ptr& error) {
      20          104 :                               if (error) log_handler_exception(what, error);
      21              :                           });
      22          104 : }
      23              : 
      24              : } // namespace thinger::http::detail
      25              : 
      26              : #endif // THINGER_HTTP_SERVER_DETAIL_SPAWN_HANDLER_HPP