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//=============================================================================
/**
* @file ncontextext_client_i.cpp
*
* This class implements a simple CORBA client which
* converts a Name to a string and viceversa, forms a IIOPNAME
* url address and can resolve a stringified name.
*
* @author Priyanka Gontla <pgontla@ece.uci.edu>
*/
//=============================================================================
#include "ncontextext_client_i.h"
#include "tao/debug.h"
#include "ace/Get_Opt.h"
#include "ace/Read_Buffer.h"
#include "ace/OS_NS_time.h"
// FUZZ: disable check_for_streams_include
#include "ace/streams.h"
// Constructor
NContextExt_Client_i::NContextExt_Client_i (void)
{
}
NContextExt_Client_i::~NContextExt_Client_i (void)
{
}
// Parses the command line arguments and returns an
// error status
int
NContextExt_Client_i::parse_args (void)
{
ACE_Get_Opt get_opts (argc_, argv_, ACE_TEXT("dvs"));
int c;
this->view_ = 1;
while ((c = get_opts ()) != -1)
switch (c)
{
case 'd': // debug flag
TAO_debug_level++;
break;
case 'v': // output needed
this->view_ = 0;
break;
case 's':
break;
case '?':
default:
ACE_ERROR_RETURN ((LM_ERROR,
"usage: %s"
" [-d]"
" [-v]"
"\n",
this->argv_ [0]),
-1);
}
// Indicates successful parsing of command line.
return 0;
}
char *
NContextExt_Client_i::get_name ()
{
// USe time (NULL) to produce the seed:
ACE_OS::srand (static_cast<u_int> (ACE_OS::time (0)));
const int len = 10;
char *name_component = CORBA::string_alloc (len);
char *name_componentPtr = name_component;
for (int i = 0; i < len; ++i)
{
int rand_value = ACE_OS::rand () % 10;
switch (rand_value)
{
case 0:
*name_componentPtr = '/';
++name_componentPtr;
break;
case 1:
*name_componentPtr = '.';
++name_componentPtr;
break;
case 2:
*name_componentPtr = '\\';
++name_componentPtr;
break;
case 3:
*name_componentPtr = '<';
++name_componentPtr;
break;
case 4:
*name_componentPtr = '>';
++name_componentPtr;
break;
case 5:
*name_componentPtr = ' ';
++name_componentPtr;
break;
case 6:
*name_componentPtr = '%';
++name_componentPtr;
break;
case 7:
case 8:
case 9:
*name_componentPtr = 'A' + ( ACE_OS::rand () % 26 );
++name_componentPtr;
break;
default:
ACE_ERROR ((LM_ERROR, "shouldnt come here"));
break;
}
}
*name_componentPtr = '\0';
return name_component;
}
int
NContextExt_Client_i::run (void)
{
try
{
CosNaming::Name name;
name.length (2);
name[0].id = CORBA::string_dup (this->get_name ());
name[0].kind = CORBA::string_dup (this->get_name ());
name[1].id = CORBA::string_dup ("Iterator_Factory");
name[1].kind = CORBA::string_dup ("factory");
// Get the stringified form of the name
CORBA::String_var str_name =
this->naming_context_->to_string (name);
CORBA::Object_var factory_object;
try
{
// Resolve the name using the stringified form of the name
factory_object =
this->naming_context_->resolve_str (str_name.in ());
}
catch (const CosNaming::NamingContext::NotFound&)
{
}
// Narrow
Web_Server::Iterator_Factory_var factory =
Web_Server::Iterator_Factory::_narrow (factory_object.in ());
// Create bindings
CosNaming::BindingIterator_var iter;
CosNaming::BindingList_var bindings_list;
this->naming_context_->list (2,
bindings_list.out (),
iter.out ());
// Convert the stringified name back as CosNaming::Name and print
// them out.
CosNaming::Name *nam =
this->naming_context_->to_name (str_name.in ());
// Declare a CosNaming::Name variable and assign length to it.
CosNaming::Name nm;
nm.length (nam->length ());
nm = *nam;
// Test the to_url function:
// For the address, we are assigning
// some random address now. But, in real applications, the address
// denotes the address of the NamingContext possibly returned from
// the LocateReply or LOCATION_FORWARD reply by an agent listening
// at that address
//
CORBA::String_var address =
CORBA::string_dup (":myhost.555xyz.com:9999");
// Since we are just testing the functionality of the to_url
// function, use a random object name.
CORBA::String_var obj_name = get_name ();
CORBA::String_var url_string =
this->naming_context_->to_url (address.in (), obj_name.in());
if (this->view_ == 0)
{
this->print_values (name,
str_name,
nm,
obj_name,
url_string);
}
}
catch (const CORBA::NO_MEMORY& ex)
{
ex._tao_print_exception ("A system exception oc client side");
return -1;
}
catch (const CORBA::SystemException& ex)
{
ex._tao_print_exception ("A system exception oc client side");
return -1;
}
catch (const CORBA::Exception& ex)
{
ex._tao_print_exception ("client");
return -1;
}
return 0;
}
int
NContextExt_Client_i::init (int argc, ACE_TCHAR *argv[])
{
this->argc_ = argc;
this->argv_ = argv;
try
{
// First initialize the ORB, that will remove some arguments...
CORBA::ORB_var orb =
CORBA::ORB_init (this->argc_, this->argv_);
// There must be at least one argument, the file that has to be
// retrieved
if (this->parse_args () == -1)
return 1;
// Get a reference to the Naming Service
CORBA::Object_var naming_context_object =
orb->resolve_initial_references ("NameService");
if (CORBA::is_nil (naming_context_object.in ()))
ACE_ERROR_RETURN ((LM_ERROR,
"Cannot resolve Naming Service\n"),
1);
// Narrow to get the correct reference
this->naming_context_ =
CosNaming::NamingContextExt::_narrow (naming_context_object.in ());
if (CORBA::is_nil (this->naming_context_.in ()))
ACE_ERROR_RETURN ((LM_ERROR,
"Cannot narrow Naming Service\n"),
1);
}
catch (const CORBA::Exception& ex)
{
ex._tao_print_exception ("client");
return 1;
}
return 0;
}
void
NContextExt_Client_i::print_values (CosNaming::Name name,
CORBA::String_var str_name,
CosNaming::Name nm,
CORBA::String_var obj_name,
CORBA::String_var url_string)
{
ACE_DEBUG((LM_DEBUG, ACE_TEXT ("The first component id is %C,")
ACE_TEXT ("The first component kind is %C,")
ACE_TEXT ("The second component id is %C,")
ACE_TEXT ("The second component kind is %C\n\n"),
name[0].id.in (),
name[0].kind.in (),
name[1].id.in (),
name[1].kind.in ()));
ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("The string form of the input name is: \n%C\n\n"),
str_name.in ()));
ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("The unstringified version of the name components are:,")
ACE_TEXT ("The first component id is %C,")
ACE_TEXT ("The first component kind is %C,")
ACE_TEXT ("The second component id is %C,")
ACE_TEXT ("The second component kind is %C\n\n"),
nm[0].id.in (),
nm[0].kind.in (),
nm[1].id.in (),
nm[1].kind.in ()));
ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("When the address of the NamingContext is:")
ACE_TEXT ("myhost.555xyz.com:9999")
ACE_TEXT ("and the Object name is \n%C\n"),
obj_name.in ()));
ACE_DEBUG ((LM_DEBUG,ACE_TEXT ("The URL form of the string is \n %C\n"),
url_string.in ()));
}
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