server.cpp

来自「这是广泛使用的通信开源项目,对于大容量,高并发的通讯要求完全能够胜任,他广泛可用」· C++ 代码 · 共 211 行

// server.cpp,v 1.7 2003/11/04 05:21:38 dhinton Exp

#include "Server_Peer.h"
#include "Clock_Ticks.h"
#include "tao/Messaging/Messaging.h"
#include "tao/ORB_Core.h"
#include "ace/Get_Opt.h"
#include "ace/Reactor.h"
#include "ace/OS_NS_time.h"

ACE_RCSID (Nested_Upcall_Crash,
           server,
           "server.cpp,v 1.7 2003/11/04 05:21:38 dhinton Exp")

const char *ior_output_file = "test.ior";
ACE_RANDR_TYPE seed;
int payload_size = 4;

int
parse_args (int argc, char *argv[]);

class Sleeper : public ACE_Event_Handler
{
public:
  Sleeper(CORBA::ORB_ptr orb);

  virtual int handle_timeout (ACE_Time_Value const & current_time,
                              void const * arg);

private:
  CORBA::ORB_var orb_;
};

int
main (int argc, char *argv[])
{
  ACE_TRY_NEW_ENV
    {
      CORBA::ORB_var orb =
        CORBA::ORB_init (argc, argv, ""
                         ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      CORBA::Object_var poa_object =
        orb->resolve_initial_references("RootPOA"
                                        ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      PortableServer::POA_var root_poa =
        PortableServer::POA::_narrow (poa_object.in ()
                                      ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      if (CORBA::is_nil (root_poa.in ()))
        ACE_ERROR_RETURN ((LM_ERROR,
                           " (%P|%t) Panic: nil RootPOA\n"),
                          1);

      PortableServer::POAManager_var poa_manager =
        root_poa->the_POAManager (ACE_ENV_SINGLE_ARG_PARAMETER);
      ACE_TRY_CHECK;

      CORBA::Object_var object =
        orb->resolve_initial_references ("PolicyCurrent" ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      CORBA::PolicyCurrent_var policy_current =
        CORBA::PolicyCurrent::_narrow (object.in () ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      if (CORBA::is_nil (policy_current.in ()))
        {
          ACE_ERROR ((LM_ERROR, "ERROR: Nil policy current\n"));
          return 1;
        }
      CORBA::Any scope_as_any;
      scope_as_any <<= Messaging::SYNC_WITH_SERVER;

      CORBA::PolicyList policies(1); policies.length (1);
      policies[0] =
        orb->create_policy (Messaging::SYNC_SCOPE_POLICY_TYPE,
                            scope_as_any
                            ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      policy_current->set_policy_overrides (policies,
                                            CORBA::ADD_OVERRIDE
                                            ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      policies[0]->destroy (ACE_ENV_SINGLE_ARG_PARAMETER);
      ACE_TRY_CHECK;

      seed = (ACE_RANDR_TYPE) ACE_OS::gethrtime ();

      if (parse_args (argc, argv) != 0)
        return 1;

      ACE_DEBUG ((LM_DEBUG, "SEED = %u\n", seed));

      Server_Peer *impl;
      ACE_NEW_RETURN (impl,
                      Server_Peer (seed, orb.in (), payload_size),
                      1);
      PortableServer::ServantBase_var owner_transfer(impl);

      Test::Peer_var peer =
        impl->_this (ACE_ENV_SINGLE_ARG_PARAMETER);
      ACE_TRY_CHECK;

      CORBA::String_var ior =
        orb->object_to_string (peer.in ()
                               ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      // If the ior_output_file exists, output the ior to it
      FILE *output_file= ACE_OS::fopen (ior_output_file, "w");
      if (output_file == 0)
        ACE_ERROR_RETURN ((LM_ERROR,
                           "Cannot open output file for writing IOR: %s",
                           ior_output_file),
                              1);
      ACE_OS::fprintf (output_file, "%s", ior.in ());
      ACE_OS::fclose (output_file);

      poa_manager->activate (ACE_ENV_SINGLE_ARG_PARAMETER);
      ACE_TRY_CHECK;

      Sleeper sleeper (orb.in ());

      ACE_Time_Value interval(0, 500000);
      ACE_Reactor * reactor = orb->orb_core()->reactor();
      reactor->schedule_timer(&sleeper, 0, interval, interval);

      // ACE_Time_Value run_time(600, 0);
      // orb->run (run_time ACE_ENV_ARG_PARAMETER);
      orb->run (ACE_ENV_SINGLE_ARG_PARAMETER);
      ACE_TRY_CHECK;

      ACE_DEBUG ((LM_DEBUG, "(%P|%t) server - event loop finished\n"));

      root_poa->destroy (1, 1
                         ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      orb->destroy (ACE_ENV_SINGLE_ARG_PARAMETER);
      ACE_TRY_CHECK;
    }
  ACE_CATCHANY
    {
      ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION,
                           "Exception caught:");
      return 1;
    }
  ACE_ENDTRY;

  return 0;
}

int
parse_args (int argc, char *argv[])
{
  ACE_Get_Opt get_opts (argc, argv, "o:s:b:");
  int c;

  while ((c = get_opts ()) != -1)
    switch (c)
      {
      case 'o':
        ior_output_file = get_opts.opt_arg ();
        break;

      case 's':
        seed = ACE_OS::atoi(get_opts.opt_arg ());
        break;

      case 'b':
        payload_size = ACE_OS::atoi(get_opts.opt_arg ());
        break;

      case '?':
      default:
        ACE_ERROR_RETURN ((LM_ERROR,
                           "usage:  %s "
                           "-o <iorfile> "
                           "-s <seed> "
                           "-b <payload_size> "
                           "\n",
                           argv [0]),
                          -1);
      }
  // Indicates sucessful parsing of the command line
  return 0;
}

Sleeper::Sleeper(CORBA::ORB_ptr orb)
  : orb_ (CORBA::ORB::_duplicate (orb))
{
}

int
Sleeper::handle_timeout (ACE_Time_Value const & ,
                         void const *)
{
  // ACE_DEBUG((LM_DEBUG, "(%P|%t) - Sleeper::handle_timeout()\n"));
  ACE_Time_Value clk_tck (0, Clock_Ticks::get_usecs_per_tick ());
  this->orb_->perform_work(clk_tck);

  return 0;
}