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// $Id$
//==========================================================================
//
//
// = FILENAME
// client.cpp
//
// = DESCRIPTION
//
// This is a simple foo client implementation. Also looks out for
// forwarding exceptions
//
// = AUTHOR
// Irfan Pyarali
//
//==========================================================================
#include "tao/corba.h"
#include "ace/streams.h"
#include "ace/Get_Opt.h"
#include "ace/Read_Buffer.h"
#include "FooC.h"
ACE_RCSID(Forwarding, client, "$Id$")
static char *server_IOR_ = 0;
static int iterations = 6;
static int
read_ior (char *filename)
{
// Open the file for reading.
ACE_HANDLE f_handle_ = ACE_OS::open (filename,0);
if (f_handle_ == ACE_INVALID_HANDLE)
ACE_ERROR_RETURN ((LM_ERROR,
"Unable to open %s for reading: %p\n",
filename),
-1);
ACE_Read_Buffer ior_buffer (f_handle_);
server_IOR_ = ior_buffer.read ();
if (server_IOR_ == 0)
ACE_ERROR_RETURN ((LM_ERROR,
"Unable to allocate memory to read ior: %p\n"),
-1);
return 0;
}
static int
parse_args (int argc, char **argv)
{
ACE_Get_Opt get_opts (argc, argv, "f:i:k:O:");
int c;
int result;
while ((c = get_opts ()) != -1)
switch (c)
{
case 'f': // read the IOR from the file.
result = read_ior (get_opts.optarg);
if (result < 0)
ACE_ERROR_RETURN ((LM_ERROR,
"Unable to read ior from %s : %p\n",
get_opts.optarg),
-1);
break;
case 'k':
server_IOR_ = get_opts.optarg;
break;
case 'i':
iterations = ::atoi (get_opts.optarg);
break;
case '?':
default:
ACE_ERROR_RETURN ((LM_ERROR,
"usage: %s"
"-f server_IOR_file"
"\n",
argv [0]),
-1);
}
if (server_IOR_ == 0)
ACE_ERROR_RETURN ((LM_ERROR,
"Please specify the IOR for the servant\n"), -1);
// Indicates successful parsing of command line.
return 0;
}
int do_calls (Foo_ptr foo_ptr)
{
CORBA::Environment env;
CORBA::Long result = 0;
for (int i = 1; i <= iterations; i++)
{
// About half way through
if (i % 3 == 0)
{
foo_ptr->forward (env);
// If exception
if (env.exception () != 0)
{
env.print_exception ("Foo::forward");
return -1;
}
}
else
{
// Invoke the doit() method of the foo reference.
result = foo_ptr->doit (env);
// If exception
if (env.exception () != 0)
{
env.print_exception ("calling doit");
}
else
// Print the result of doit () method of the foo
// reference.
ACE_DEBUG ((LM_DEBUG,
"doit() returned %d \n",
result));
}
}
// In case you want to shutdown your server
// foo_ptr->shutdown (env);
// If exception
// if (env.exception () != 0)
// {
// env.print_exception ("calling shutdown");
// }
return 0;
}
int
main (int argc, char **argv)
{
// @@ Michael, this function is too long. Can you please break it
// up into multiple smaller functions.
CORBA::Environment env;
// Initialize the ORB
CORBA::ORB_var orb = CORBA::ORB_init (argc, argv, 0, env);
if (env.exception () != 0)
{
env.print_exception ("CORBA::ORB_init");
return -1;
}
// 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 (server_IOR_, env);
if (env.exception () != 0)
{
env.print_exception ("CORBA::ORB::string_to_object");
return -1;
}
// Try to narrow the object reference to a Foo reference.
Foo_var foo_var = Foo::_narrow (object.in (), env);
if (env.exception () != 0)
{
env.print_exception ("Foo::_narrow");
return -1;
}
CORBA::String_var original_location =
orb->object_to_string (foo_var.in (), env);
if (env.exception () == 0)
ACE_DEBUG ((LM_DEBUG,
"original location = %s \n",
original_location.in ()));
else
{
env.print_exception ("ORB::object_to_string");
return -1;
}
if (do_calls (foo_var.in()) == -1)
return -1;
return 0;
}
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