Hi Juan,
 
I wasn't asked, but it looks like some kind of MS Visio. Visio is fine for small diagrams, but it's a nightmare for bigger ones because of the over-smart connection arrows... For bigger things I'm using EnterpriseArchitect.
 
Cheers,
 
Ingo
 
 

"Juan Ramírez" <juanantonio.ram@gmail.com> hat am 6. Januar 2013 um 03:55 geschrieben:
It's fine to call start_accept() inside the handle_accept() function, if you don't do it your server will not be able to accept another client
 
You should check if the ioservice has enough threads to handle more than one client, maybe you have a single thread being blocked by the call to  session->start(), if this is the case, your server cannot accept another client until the thread is released (make sure the ioservice has an oioservice::work object attached, btw).
 
__________
Saludos!
     Juan
 


On Fri, Jan 4, 2013 at 2:30 PM, Gonzalo Garramuno <ggarra13@gmail.com> wrote:
My problem was that acceptor_ was called twice and two sessions were created.  The first session was used properly while the second session missed the socket setup.

class server
{
public:
  server(boost::asio::io_ service& io_service,
     const tcp::endpoint& listen_endpoint,
     mrv::ViewerUI* v)
    : io_service_(io_service),
      acceptor_(io_service, listen_endpoint),
      ui_( v )
  {
     start_accept();
  }

  void start_accept()
  {
     tcp_session_ptr new_session(
                 boost::make_shared<tcp_ session>(
                                 boost::ref(
                                        io_service_
                                        ),
                                 boost::ref(ui_)
                                 )
                 );


     std::cerr << "******** TCP SESSION " << new_session << std::endl;

    acceptor_.async_accept(new_ session->socket(),
               boost::bind(&server::handle_ accept, this,
                       new_session, _1));
  }

  void handle_accept(tcp_session_ptr session,
             const boost::system::error_code& ec)
  {
    if (!ec)
    {
      session->start();
    }
    start_accept(); // BAD
  }

Changed to:

  void handle_accept(tcp_session_ptr session,
             const boost::system::error_code& ec)
  {
    if (!ec)
    {
      session->start();
    }
    else
    {
      start_accept();
    }
  }


I still don't know why this is so and the problem is not fully resolved, as only the server change in the timeline works only once, but at least the server now works.
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