so_5/exception_reaction/main.cpp

/*
 * A sample for the exception reaction.
 */
 
#include <iostream>
#include <stdexcept>
 
// Main SObjectizer header file.
#include <so_5/all.hpp>
 
// A class of an agent which will throw an exception.
class a_hello_t final : public so_5::agent_t
{
  public:
    a_hello_t( context_t ctx ) : so_5::agent_t( ctx )
    {}
 
    void so_evt_start() override
    {
      throw std::runtime_error( "sample exception" );
    }
 
    so_5::exception_reaction_t so_exception_reaction() const noexcept override
    {
      return so_5::shutdown_sobjectizer_on_exception;
    }
};
 
int main()
{
  try
  {
    so_5::launch( []( so_5::environment_t & env ) {
        env.register_agent_as_coop( env.make_agent< a_hello_t >() );
      } );
 
  }
  catch( const std::exception & ex )
  {
    std::cerr << "Error: " << ex.what() << std::endl;
    return 1;
  }
 
  return 0;
}