examples/clntsrv/server.cc

Client/Server example using C++ infrastructure – Server implementation.

Client/Server example using C++ infrastructure – Server implementation.

/*
 * (c) 2008-2009 Adam Lackorzynski <adam@os.inf.tu-dresden.de>,
 *               Alexander Warg <warg@os.inf.tu-dresden.de>
 *     economic rights: Technische Universität Dresden (Germany)
 *
 * This file is part of TUD:OS and distributed under the terms of the
 * GNU General Public License 2.
 * Please see the COPYING-GPL-2 file for details.
 */
#include <stdio.h>
#include <l4/re/env>
#include <l4/re/util/cap_alloc>
#include <l4/re/util/object_registry>
#include <l4/re/util/br_manager>
#include <l4/sys/cxx/ipc_epiface>
 
#include "shared.h"
 
static L4Re::Util::Registry_server<L4Re::Util::Br_manager_hooks> server;
 
class Calculation_server : public L4::Epiface_t<Calculation_server, Calc>
{
public:
  int op_sub(Calc::Rights, l4_uint32_t a, l4_uint32_t b, l4_uint32_t &res)
  {
    res = a - b;
    return 0;
  }
 
  int op_neg(Calc::Rights, l4_uint32_t a, l4_uint32_t &res)
  {
    res = -a;
    return 0;
  }
};
 
 
int
main()
{
  static Calculation_server calc;
 
  // Register calculation server
  if (!server.registry()->register_obj(&calc, "calc_server").is_valid())
    {
      printf("Could not register my service, is there a 'calc_server' in the caps table?\n");
      return 1;
    }
 
  printf("Welcome to the calculation server!\n"
         "I can do subtractions and negations.\n");
 
  // Wait for client requests
  server.loop();
 
  return 0;
}