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//=============================================================================
/**
* @file client.cpp
*
* A client which uses the AMI callback model.
*
*
* @author Alexander Babu Arulanthu <alex@cs.wustl.edu>
* @author Michael Kircher <Michael.Kircher@mchp.siemens.de>
*/
//=============================================================================
#include "ace/Get_Opt.h"
#include "ace/Task.h"
#include "ami_test_i.h"
const ACE_TCHAR *ior = ACE_TEXT("file://test.ior");
int nthreads = 5;
int niterations = 5;
int debug = 0;
int shutdown_flag = 0;
int perform_work_flag = 1;
int number_of_replies = 0;
CORBA::Long in_number = 931232;
const char * in_str = "Let's talk AMI.";
int parameter_corruption = 0;
int
parse_args (int argc, ACE_TCHAR *argv[])
{
ACE_Get_Opt get_opts (argc, argv, ACE_TEXT("dk:n:i:xw"));
int c;
while ((c = get_opts ()) != -1)
switch (c)
{
case 'd':
debug = 1;
break;
case 'k':
ior = get_opts.opt_arg ();
break;
case 'n':
nthreads = ACE_OS::atoi (get_opts.opt_arg ());
break;
case 'i':
niterations = ACE_OS::atoi (get_opts.opt_arg ());
break;
case 'x':
shutdown_flag = 1;
break;
case 'w':
perform_work_flag = 0;
break;
case '?':
default:
ACE_ERROR_RETURN ((LM_ERROR,
"usage: %s "
"-d "
"-k <ior> "
"-n <nthreads> "
"-i <niterations> "
"-x"
"\n",
argv [0]),
-1);
}
// Indicates successful parsing of the command line
return 0;
}
/**
* @class Client
*
* @brief Run the client thread
*
* Use the ACE_Task_Base class to run the client threads.
*/
class Client : public ACE_Task_Base
{
public:
/// ctor
Client (A::AMI_Test_ptr server, int niterations);
/// The thread entry point.
virtual int svc (void);
// private:
/// Var for the AMI_Test object.
A::AMI_Test_var ami_test_var_;
/// The number of iterations on each client thread.
int niterations_;
/// Var for AMI_AMI_Test_ReplyHandler object.
A::AMI_AMI_TestHandler_var the_handler_var_;
};
class Handler : public POA_A::AMI_AMI_TestHandler
{
public:
Handler (void)
{
};
void foo (CORBA::Long result,
CORBA::Long out_l)
{
if (result == 0)
{
ACE_ERROR((LM_ERROR, "ERROR: Callback method detected parameter corruption.\n"));
parameter_corruption = 1;
}
if (debug)
{
ACE_DEBUG ((LM_DEBUG,
"(%P | %t) : Callback method called: result <%d>, out_arg <%d>\n",
result,
out_l));
}
--number_of_replies;
};
void foo_excep (::Messaging::ExceptionHolder * excep_holder)
{
ACE_DEBUG ((LM_DEBUG,
"Callback method <foo_excep> called:\n"));
try
{
excep_holder->raise_exception ();
}
catch (const CORBA::Exception& ex)
{
ex._tao_print_exception ("Caught exception:");
}
};
void get_yadda (CORBA::Long result)
{
ACE_DEBUG ((LM_DEBUG,
"Callback method <get_yadda> called: result <%d>\n",
result));
};
void get_yadda_excep (::Messaging::ExceptionHolder *)
{
ACE_DEBUG ((LM_DEBUG,
"Callback method <get_yadda_excep> called:\n"));
};
void set_yadda (void)
{
ACE_DEBUG ((LM_DEBUG,
"Callback method <set_yadda> called:\n"));
};
void set_yadda_excep (::Messaging::ExceptionHolder *)
{
ACE_DEBUG ((LM_DEBUG,
"Callback method <set_yadda_excep> called:\n"));
};
~Handler (void)
{
};
void inout_arg_test (const char *)
{
ACE_DEBUG ((LM_DEBUG,
"Callback method <set_yadda_excep> called:\n"));
}
void inout_arg_test_excep (::Messaging::ExceptionHolder *)
{
}
};
// ReplyHandler.
Handler handler;
int
ACE_TMAIN(int argc, ACE_TCHAR *argv[])
{
try
{
CORBA::ORB_var orb =
CORBA::ORB_init (argc, argv);
if (parse_args (argc, argv) != 0)
return 1;
A::AMI_Test_var server;
CORBA::Object_var object =
orb->string_to_object (ior);
server = A::AMI_Test::_narrow (object.in ());
if (CORBA::is_nil (server.in ()))
{
ACE_ERROR_RETURN ((LM_ERROR,
"Object reference <%s> is nil.\n",
ior),
1);
}
// Activate POA to handle the call back.
CORBA::Object_var poa_object =
orb->resolve_initial_references("RootPOA");
if (CORBA::is_nil (poa_object.in ()))
ACE_ERROR_RETURN ((LM_ERROR,
" (%P|%t) Unable to initialize the POA.\n"),
1);
PortableServer::POA_var root_poa =
PortableServer::POA::_narrow (poa_object.in ());
PortableServer::POAManager_var poa_manager =
root_poa->the_POAManager ();
poa_manager->activate ();
// Let the client perform the test in a separate thread
Client client (server.in (), niterations);
if (client.activate (THR_NEW_LWP | THR_JOINABLE,
nthreads) != 0)
ACE_ERROR_RETURN ((LM_ERROR,
"Cannot activate client threads\n"),
1);
// Main thread collects replies. It needs to collect
// <nthreads*niterations> replies.
number_of_replies = nthreads *niterations;
if (perform_work_flag)
{
if (debug)
{
ACE_DEBUG ((LM_DEBUG,
"(%P|%t) : Entering perform_work loop to receive <%d> replies\n",
number_of_replies));
}
// ORB loop.
while (number_of_replies > 0)
{
CORBA::Boolean pending = orb->work_pending();
if (pending)
{
orb->perform_work();
}
}
if (debug)
{
ACE_DEBUG ((LM_DEBUG,
"(%P|%t) : Exited perform_work loop\n"));
}
}
client.thr_mgr ()->wait ();
ACE_DEBUG ((LM_DEBUG, "threads finished\n"));
if (debug)
{
ACE_DEBUG ((LM_DEBUG,
"(%P|%t) : Received <%d> replies\n",
(nthreads*niterations) - number_of_replies));
}
if (shutdown_flag)
{
server->shutdown ();
}
root_poa->destroy (1, // ethernalize objects
0); // wait for completion
orb->destroy ();
}
catch (const CORBA::Exception& ex)
{
ex._tao_print_exception ("Caught exception:");
return 1;
}
return parameter_corruption;
}
// ****************************************************************
Client::Client (A::AMI_Test_ptr server,
int niterations)
: ami_test_var_ (A::AMI_Test::_duplicate (server)),
niterations_ (niterations)
{
the_handler_var_ = handler._this (/* */);
}
int
Client::svc (void)
{
try
{
for (int i = 0; i < this->niterations_; ++i)
{
ami_test_var_->sendc_foo (the_handler_var_.in (), in_number, in_str);
}
if (debug)
{
ACE_DEBUG ((LM_DEBUG,
"(%P | %t):<%d> Asynchronous methods issued\n",
niterations));
}
}
catch (const CORBA::Exception& ex)
{
ex._tao_print_exception ("MT_Client: exception raised");
}
return 0;
}
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