External io_service

[pdgendt]

Is it possible to create an http server with an existing asio::io_service? If an application has an existing thread pool available could this be passed to a custom scheduler for example?

[pmed]

Yes, you need to derive from pion::scheduler class and to override its pion::scheduler::get_io_service() member function. Then pass the custom scheduler into a http server:

struct my_scheduler : public pion::scheduler
{
    explicit my_scheduler(boost::asio::io_service& io_service) : io_service(io_service)
   {
       set_num_threads(1); // actual thread count in existing pool
       startup();
   }
    ~my_scheduler()
    {
        shutdown();
    }
    boost::asio::io_service& get_io_service() { return io_service; }
    boost::asio::io_service& io_service;
};

boost::asio::io_service io_service;
my_scheduler scheduler(io_service);
pion::http_server server(scheduler, 8080);

[pdgendt]

Thx, I can use that to use as my scheduler, one issue though: If I then want to stop my application it doesn't close the connection which is waiting for the async_accept. So I get infinite messages:

946694190 INFO pion.tcp.server Waiting for open connections to finish
946694190 INFO pion.tcp.server Waiting for open connections to finish
946694190 INFO pion.tcp.server Waiting for open connections to finish
946694191 INFO pion.tcp.server Waiting for open connections to finish