client.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 168 行

// client.cpp,v 1.6 2002/01/29 20:21:11 okellogg Exp


#include "ace/Get_Opt.h"
#include "ace/Read_Buffer.h"
#include "testC.h"

ACE_RCSID(Timed_Buffered_Oneways, client, "client.cpp,v 1.6 2002/01/29 20:21:11 okellogg Exp")

// Name of file contains ior.
static const char *IOR = "file://ior";

// Default iterations.
static u_long iterations = 20;

// Default number of bytes to send as data.
static CORBA::ULong data_bytes = 1000;

// Flag indicates whether to shutdown remote server or not upon client
// shutdown.
static int shutdown_server = 0;

static int
parse_args (int argc, char **argv)
{
  ACE_Get_Opt get_opts (argc, argv, "k:i:d:x");
  int c;

  while ((c = get_opts ()) != -1)
    switch (c)
      {
      case 'k':
        IOR = get_opts.opt_arg ();
        break;
      case 'i':
        iterations = ::atoi (get_opts.opt_arg ());
        break;
      case 'd':
        data_bytes = ::atoi (get_opts.opt_arg ());
        break;
      case 'x':
        shutdown_server = 1;
        break;
      case '?':
      default:
        ACE_ERROR_RETURN ((LM_ERROR,
                           "usage:  %s "
                           "-k IOR "
                           "-i iterations "
                           "-d data bytes "
                           "-x shutdown server "
                           "\n",
                           argv [0]),
                          -1);
      }

  if (IOR == 0)
    ACE_ERROR_RETURN ((LM_ERROR,
                       "Please specify the IOR for the servant\n"), -1);

  if (data_bytes < 10)
    ACE_ERROR_RETURN ((LM_ERROR,
                       "Please specify a value of more than 10 bytes\n"),
                      -1);

  // Indicates successful parsing of command line.
  return 0;
}


int
main (int argc, char **argv)
{
  ACE_DECLARE_NEW_CORBA_ENV;

  ACE_TRY
    {
      // Initialize the ORB.
      CORBA::ORB_var orb =
        CORBA::ORB_init (argc,
                         argv,
                         0
                         ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      // Initialize options based on command-line arguments.
      int parse_args_result = parse_args (argc, argv);
      if (parse_args_result != 0)
        return parse_args_result;

      // Get an object reference from the argument string.
      CORBA::Object_var object =
        orb->string_to_object (IOR
                               ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      // Try to narrow the object reference to a <test> reference.
      test_var test_object = test::_narrow (object.in ()
                                            ACE_ENV_ARG_PARAMETER);
      ACE_TRY_CHECK;

      test::data the_data0 (data_bytes);
      the_data0.length (data_bytes);

      data_bytes *= 10;
      test::data the_data1 (data_bytes);
      the_data1.length (data_bytes);

      data_bytes /= 100;
      test::data the_data2 (data_bytes);
      the_data2.length (data_bytes);

      for (CORBA::ULong i = 1; i <= iterations; ++i)
        {
          ACE_DEBUG ((LM_DEBUG,
                      "client: Iteration %d @ %T\n",
                      i));

          // Invoke the oneway method.
          test_object->method (i,
                               the_data0
                               ACE_ENV_ARG_PARAMETER);
          ACE_TRY_CHECK;

          // Invoke the oneway method.
          test_object->method (i,
                               the_data1
                               ACE_ENV_ARG_PARAMETER);
          ACE_TRY_CHECK;

          // Invoke the oneway method.
          test_object->method (i,
                               the_data2
                               ACE_ENV_ARG_PARAMETER);
          ACE_TRY_CHECK;
        }

      // Shutdown server.
      if (shutdown_server)
        {
          ACE_DEBUG ((LM_DEBUG,
                      "(%P|%t) Sending a shutdown call..\n"));
          test_object->shutdown (ACE_ENV_SINGLE_ARG_PARAMETER);
          ACE_TRY_CHECK;
        }

      // Destroy the ORB.  On some platforms, e.g., Win32, the socket
      // library is closed at the end of main().  This means that any
      // socket calls made after main() fail. Hence if we wait for
      // static destructors to flush the queues, it will be too late.
      // Therefore, we use explicit destruction here and flush the
      // queues before main() ends.
      orb->destroy (ACE_ENV_SINGLE_ARG_PARAMETER);
      ACE_TRY_CHECK;
    }
  ACE_CATCHANY
    {
      ACE_PRINT_EXCEPTION (ACE_ANY_EXCEPTION,
                           "Exception caught:");
      return -1;
    }
  ACE_ENDTRY;

  ACE_CHECK_RETURN (-1);

  return 0;
}