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// $Id$
#include "FooServantList.h"
#include "Foo_i.h"
#include "Callback_i.h"
#include "ClientTask.h"
#include "OrbShutdownTask.h"
#include "ace/OS.h"
FooServantList::FooServantList(const char* prefix,
unsigned num_servants,
unsigned num_clients,
int collocated_test,
int servant_to_deactivate,
CORBA::ORB_ptr orb)
: prefix_(prefix),
num_servants_(num_servants),
num_clients_(num_clients),
init_num_clients_ (num_clients_),
collocated_test_(collocated_test),
servant_to_deactivate_ (servant_to_deactivate),
collocated_client_ (0),
orb_ (CORBA::ORB::_duplicate(orb))
{
this->servants_ = new Foo_i* [num_servants];
this->safe_servants_ = new PortableServer::ServantBase_var[num_servants];
}
FooServantList::~FooServantList()
{
delete [] this->safe_servants_;
delete [] this->servants_;
delete collocated_client_;
}
void
FooServantList::create_and_activate(CORBA::ORB_ptr orb,
PortableServer::POA_ptr poa
ACE_ENV_ARG_DECL)
{
poa_ = PortableServer::POA::_duplicate (poa);
for (unsigned i = 0; i < this->num_servants_; i++)
{
char buf[32];
ACE_OS::sprintf(buf, "%02d", i + 1);
ACE_CString servant_name = this->prefix_ + "_" + buf;
this->servants_[i] = new Foo_i(servant_name.c_str(),this);
this->safe_servants_[i] = this->servants_[i];
PortableServer::ObjectId_var id =
PortableServer::string_to_ObjectId(servant_name.c_str());
poa->activate_object_with_id(id.in(),
this->safe_servants_[i].in()
ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
CORBA::Object_var obj = poa->id_to_reference(id.in()
ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
if (CORBA::is_nil(obj.in()))
{
ACE_ERROR((LM_ERROR,
"(%P|%t) Failed to activate servant (%s).\n",
servant_name.c_str()));
ACE_THROW (TestException());
}
// create the collocated object reference.
if (this->collocated_test_ && i == 0)
{
Foo_var collocated = Foo::_narrow (obj.in () ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
// Create the servant object.
Callback_i* servant = new Callback_i ();
// local smart pointer variable to deal with releasing the reference
// to the servant object when the smart pointer object falls out of scope.
PortableServer::ServantBase_var safe_servant(servant);
PortableServer::ObjectId_var id =
PortableServer::string_to_ObjectId("callback");
poa->activate_object_with_id(id.in(), safe_servant.in());
CORBA::Object_var obj = poa->id_to_reference(id.in()
ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
if (CORBA::is_nil(obj.in()))
{
ACE_ERROR((LM_ERROR,
"(%P|%t) Failed to activate servant (%s).\n",
servant_name.c_str()));
ACE_THROW (TestException());
}
Callback_var callback
= Callback::_narrow (obj.in () ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
collocated_client_
= new ClientTask(orb, collocated.in (), callback.in (), true);
if (collocated_client_->open() != 0)
{
ACE_ERROR((LM_ERROR,
"(%P|%t) Failed to open the collocated client.\n"));
ACE_THROW (TestException());
}
}
CORBA::String_var ior
= this->orb_->object_to_string(obj.in() ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
ACE_CString filename = servant_name + ".ior";
FILE* ior_file = ACE_OS::fopen(filename.c_str(), "w");
if (ior_file == 0)
{
ACE_ERROR((LM_ERROR,
"(%P|%t) Cannot open output file (%s) for writing IOR.",
filename.c_str()));
ACE_THROW (TestException());
}
else
{
ACE_DEBUG((LM_DEBUG,
"(%P|%t) writing IOR to file %s\n",
filename.c_str()));
}
ACE_OS::fprintf(ior_file, "%s", ior.in());
ACE_OS::fclose(ior_file);
}
}
void
FooServantList::client_done(ACE_ENV_SINGLE_ARG_DECL)
{
unsigned num_left;
{
GuardType guard(this->num_clients_lock_);
num_left = --this->num_clients_;
}
if (num_left == 0)
{
if (TheOrbShutdownTask::instance()->open(0) != 0)
{
ACE_ERROR((LM_ERROR, "(%P|%t)FooServantList::client_done: "
"failed to create orb shutdown thread.\n"));
}
}
}
ClientTask*
FooServantList::collocated_client () const
{
return collocated_client_;
}
void
FooServantList::deactivate_servant (ACE_ENV_SINGLE_ARG_DECL)
{
for (unsigned i = 0; i < this->num_servants_; i++)
{
// To eliminate compiler warning about comparison of signed vs unsigned.
int signed_i = i;
if ((servant_to_deactivate_ == 0 ) ||
((servant_to_deactivate_ > 0) &&
(signed_i == servant_to_deactivate_ - 1)))
{
if (servants_[i]->active())
{
servants_[i]->active(false);
ACE_DEBUG((LM_DEBUG, "(%P|%t)FooServantList::deactivate_servant "
"deactivate %dth servant \n", i+1));
PortableServer::ObjectId_var id =
poa_->servant_to_id (safe_servants_[i].in ()
ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
poa_->deactivate_object (id.in () ACE_ENV_ARG_PARAMETER);
ACE_CHECK;
if (this->num_servants_ == 1)
{
// If there is only one servant and we deactivate it then
// all clients will catch exception and we need a way to
// shutdown the orb.
// Wait for 5 seconds so we can see the requests queued
// will be cancelled by deactivate servant.
ACE_OS::sleep (5);
ACE_DEBUG((LM_DEBUG, "(%P|%t)shutdown ORB\n"));
if (TheOrbShutdownTask::instance()->open(0) != 0)
{
ACE_ERROR((LM_ERROR, "(%P|%t)FooServantList::deactivate_servant: "
"failed to create orb shutdown thread.\n"));
}
}
else
{
GuardType guard(this->num_clients_lock_);
// The clients that requests this deactivated servant
// will catch exception due to the deactivated servant.
// We need descrease the num_clients so the alived
// servant can be called to shutdown the orb.
this->num_clients_ -= this->init_num_clients_/num_servants_;
}
}
}
}
}
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