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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 "ace/streams.h"
#include "ace/Get_Opt.h"
#include "FooC.h"
static char *IOR = 0;
static int iterations = 6;
static int
parse_args (int argc, char **argv)
{
ACE_Get_Opt get_opts (argc, argv, "k:i:");
int c;
while ((c = get_opts ()) != -1)
switch (c)
{
case 'k':
IOR = get_opts.optarg;
break;
case 'i':
iterations = ::atoi (get_opts.optarg);
break;
case '?':
default:
ACE_ERROR_RETURN ((LM_ERROR,
"usage: %s"
"-k IOR"
"\n",
argv [0]),
-1);
}
if (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
main (int argc, char **argv)
{
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 (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 = 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.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;
}
CORBA::Long result = 0;
for (int i = 1; i <= iterations; i++)
{
// About half way through
if (i == iterations / 2)
{
foo->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->doit (env);
// If exception
if (env.exception () != 0)
{
// Narrow to ForwardRequest
PortableServer::ForwardRequest_ptr forward_request =
PortableServer::ForwardRequest::_narrow (env.exception ());
// If narrowing of exception succeeded
if (forward_request != 0)
{
// Set foo to new location
foo = Foo::_narrow (forward_request->forward_reference.in (), env);
// If narrowing of Foo succeeded
if (env.exception () == 0)
{
CORBA::String_var new_location = orb->object_to_string (foo.in (), env);
if (env.exception () == 0)
{
ACE_DEBUG ((LM_DEBUG, "new location = %s \n", new_location.in ()));
continue;
}
else
{
env.print_exception ("ORB::object_to_string");
return -1;
}
}
// If narrowing of Foo failed
else
ACE_ERROR_RETURN ((LM_ERROR,
"Foo::_narrow on forwarded location failed\n"),
-1);
}
// If narrowing of exception failed
else
{
env.print_exception ("PortableServer::ForwardRequest::_narrow");
return -1;
}
}
else
// Print the result of doit () method of the foo reference.
ACE_DEBUG ((LM_DEBUG, "doit() returned %d \n", result));
}
}
return 0;
}
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