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// $Id$
#include "Messenger_i.h"
#include <iostream>
#include <fstream>
// 1. Define a "task" class for implenting the thread pool threads.
#include "ace/Task.h"
class ORB_Task : public ACE_Task_Base
{
public:
ORB_Task (CORBA::ORB_ptr orb)
: orb_(CORBA::ORB::_duplicate(orb)) { }
virtual ~ORB_Task () { }
virtual int svc ()
{
this->orb_->run();
return 0;
}
private:
CORBA::ORB_var orb_;
};
// 2. Establish the number of threads.
static const int nthreads = 4;
int ACE_TMAIN (int argc, ACE_TCHAR *argv[])
{
try {
// Initialize the ORB.
CORBA::ORB_var orb = CORBA::ORB_init( argc, argv );
//Get reference to the RootPOA.
CORBA::Object_var obj = orb->resolve_initial_references( "RootPOA" );
PortableServer::POA_var poa = PortableServer::POA::_narrow( obj.in() );
// Activate the POAManager.
PortableServer::POAManager_var mgr = poa->the_POAManager();
mgr->activate();
// Create a servant.
Messenger_i messenger_servant;
// Register the servant with the RootPOA, obtain its object
// reference, stringify it, and write it to a file.
PortableServer::ObjectId_var oid =
poa->activate_object( &messenger_servant );
CORBA::Object_var messenger_obj = poa->id_to_reference( oid.in() );
CORBA::String_var str = orb->object_to_string( messenger_obj.in() );
std::ofstream iorFile( "Messenger.ior" );
iorFile << str.in() << std::endl;
iorFile.close();
std::cout << "IOR written to file Messenger.ior" << std::endl;
// 3. Create and activate threads for the thread pool.
ORB_Task task (orb.in());
int retval = task.activate (THR_NEW_LWP | THR_JOINABLE, nthreads);
if (retval != 0) {
std::cerr << "Failed to activate " << nthreads << " threads." << std::endl;
return 1;
}
// 4. Wait for threads to finish.
task.wait();
// Clean up.
orb->destroy();
}
catch(const CORBA::Exception& ex) {
std::cerr << "CORBA exception: " << ex << std::endl;
return 1;
}
return 0;
}
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