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// $Id$
// ============================================================================
//
// = LIBRARY
// TAO/orbsvcs/bin/Naming_Service/TAO
//
// = FILENAME
// clnt.cpp
//
// = DESCRIPTION
// This class implements a simple "cube" CORBA client for the CosNaming
// example using stubs generated by the TAO ORB IDL compiler.
//
// = AUTHORS
// Sergio Flores-Gaitan <sergio@cs.wustl.edu>
//
// ============================================================================
#include "clnt.h"
// constructor
CosNaming_Client::CosNaming_Client (void)
: hostname_ ("localhost"),
portnum_ (TAO_DEFAULT_SERVER_PORT),
exit_later_ (0),
factory_ (CORBA::Object::_nil ()),
objref_ (CORBA::Object::_nil ()),
CosNaming_ (CosNaming::NamingContext::_nil ()),
cosnaming_factory_key_ ("naming_context")
{
}
// Parses the command line arguments and returns an error status.
int
CosNaming_Client::parse_args (void)
{
ACE_Get_Opt get_opts (argc_, argv_, "dn:h:p:k:x");
int c;
while ((c = get_opts ()) != -1)
switch (c)
{
case 'd': // debug flag
TAO_debug_level++;
break;
case 'h':
hostname_ = ACE_OS::strdup (get_opts.optarg);
break;
case 'p':
portnum_ = ACE_OS::atoi (get_opts.optarg);
break;
case 'x':
this->exit_later_++;
break;
case '?':
default:
ACE_ERROR_RETURN ((LM_ERROR,
"usage: %s"
" [-d]"
" [-h hostname]"
" [-p port]"
" [-x]"
"\n",
this->argv_ [0]),
-1);
}
// Indicates successful parsing of command line.
return 0;
}
// Execute client example code.
int
CosNaming_Client::run (void)
{
if (this->exit_later_)
{
// this->please_exit (this->env_);
dexc (this->env_, "server, please ACE_OS::exit");
}
return 0;
}
CosNaming_Client::~CosNaming_Client (void)
{
CORBA::release (this->CosNaming_);
CORBA::release (this->factory_);
}
int
CosNaming_Client::init (int argc, char **argv)
{
this->argc_ = argc;
this->argv_ = argv;
// retrieve the ORB
CORBA::ORB_init (this->argc_,
this->argv_,
"internet",
this->env_);
if (this->env_.exception () != 0)
{
this->env_.print_exception ("ORB initialization");
return 1;
}
// Parse command line and verify parameters.
if (this->parse_args () == -1)
return 1;
// Retrieve a factory objref.
this->objref_ = CosNaming::NamingContext::_bind (this->hostname_,
this->portnum_,
this->cosnaming_factory_key_,
this->env_);
if (this->env_.exception () != 0)
{
this->env_.print_exception ("CosNaming_Factory::_bind");
return 1;
}
if (CORBA::is_nil (this->objref_) == CORBA::B_TRUE)
ACE_ERROR_RETURN ((LM_ERROR,
" _bind returned null object for key (%s) host (%s), port (%d)\n",
this->cosnaming_factory_key_,
this->hostname_,
this->portnum_),
1);
// Narrow the CORBA::Object reference to the stub object, checking
// the type along the way using _is_a. There is really no need to
// narrow <objref> because <_bind> will return us the
// <CosNaming_Factory> pointer. However, we do it so that we can
// explicitly test the _narrow function.
this->CosNaming_ = CosNaming::NamingContext::_narrow (this->objref_,
this->env_);
if (this->CosNaming_ == 0)
ACE_ERROR_RETURN ((LM_ERROR,
" (%P|%t) Unable to narrow object reference to a CosNaming_ptr.\n"),
1);
if (this->env_.exception () != 0)
{
this->env_.print_exception ("CosNaming::NamingContext::_narrow");
return 1;
}
if (CORBA::is_nil (this->CosNaming_))
ACE_ERROR_RETURN ((LM_ERROR,
"null CosNaming objref returned by factory\n"),
1);
return 0;
}
// This function runs the test.
int
main (int argc, char **argv)
{
CosNaming_Client cosnaming_client;
if (cosnaming_client.init (argc, argv) == -1)
return 1;
else
return cosnaming_client.run ();
}
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