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// $Id$
#include "ace/Get_Opt.h"
#include "testC.h"
#include "tao/RTCORBA/RTCORBA.h"
#include "tao/ORB_Core.h"
#include "ace/Task.h"
#include "ace/OS_NS_unistd.h"
#include "ace/OS_NS_time.h"
ACE_RCSID(Thread_Pool, client, "$Id$")
const char *ior = "file://ior_1";
int iterations = 1000;
int shutdown_server = 0;
bool decreased = false;
const char *
sched_policy_name (int sched_policy)
{
const char *name = 0;
switch (sched_policy)
{
case ACE_SCHED_OTHER:
name = "SCHED_OTHER";
break;
case ACE_SCHED_RR:
name = "SCHED_RR";
break;
case ACE_SCHED_FIFO:
name = "SCHED_FIFO";
break;
}
return name;
}
int
parse_args (int argc, char *argv[])
{
ACE_Get_Opt get_opts (argc, argv, "xk:i:");
int c;
while ((c = get_opts ()) != -1)
switch (c)
{
case 'x':
shutdown_server = 1;
break;
case 'k':
ior = get_opts.opt_arg ();
break;
case 'i':
iterations = ACE_OS::atoi (get_opts.opt_arg ());
break;
case '?':
default:
ACE_ERROR_RETURN ((LM_ERROR,
"usage: %s "
"-k <ior> "
"-i <iterations> "
"-x [shutdown server] "
"\n",
argv [0]),
-1);
}
// Indicates sucessful parsing of the command line
return 0;
}
class Task : public ACE_Task_Base
{
public:
Task (ACE_Thread_Manager &thread_manager,
CORBA::ORB_ptr orb);
int svc (void);
CORBA::ORB_var orb_;
};
Task::Task (ACE_Thread_Manager &thread_manager,
CORBA::ORB_ptr orb)
: ACE_Task_Base (&thread_manager),
orb_ (CORBA::ORB::_duplicate (orb))
{
}
int
Task::svc (void)
{
try
{
CORBA::Object_var object =
this->orb_->string_to_object (ior);
test_var test =
test::_narrow (object.in ());
pid_t pid =
ACE_OS::getpid ();
CORBA::Long tc = 0;
struct timespec millis;
millis.tv_sec = 0L;
millis.tv_nsec = 50 * 1000000L; // 1e6 nanos per milli
ACE_hrtime_t start = ACE_OS::gethrtime();
for (int i = 0; i != iterations; ++i)
{
// ~20 req/sec means to sleep 50 millis between each
ACE_OS::nanosleep(&millis); // ignore signals
CORBA::Long mtc = 0;
CORBA::Long r =
test->method (pid,
i,
mtc);
ACE_ASSERT (r == i);
// Assert disappears on with optimizations on.
ACE_UNUSED_ARG (r);
if (mtc > tc)
{
// Number of threads increased, so store this.
ACE_DEBUG ((LM_DEBUG, "Thread count increased to %d\n", mtc));
tc = mtc;
}
else if (mtc < tc)
{
// Number of threads decreased!
ACE_DEBUG ((LM_DEBUG, "Thread count decreased to %d\n", mtc));
decreased = true;
tc = mtc;
}
}
ACE_hrtime_t duration = ACE_OS::gethrtime() - start;
double tp = ((double) iterations) / (duration / 1000000);
tp *= 1000.0;
ACE_DEBUG ((LM_DEBUG, "Throughput: %d\n", tp));
ACE_OS::sleep (10);
CORBA::Long end = 0;
CORBA::Long re =
test->method (pid,
0,
end);
ACE_ASSERT (re == 0);
// Assert disappears on with optimizations on.
ACE_UNUSED_ARG (re);
if (end != 0)
{
ACE_ERROR ((LM_ERROR, "Dynamic thread count should be 0, not %d\n", end));
}
if (shutdown_server)
{
test->shutdown ();
}
}
catch (const CORBA::Exception& ex)
{
ex._tao_print_exception ("Exception caught:");
return -1;
}
return 0;
}
int
ACE_TMAIN(int argc, ACE_TCHAR *argv[])
{
try
{
CORBA::ORB_var orb =
CORBA::ORB_init (argc, argv);
int result =
parse_args (argc, argv);
if (result != 0)
return result;
// Thread Manager for managing task.
ACE_Thread_Manager thread_manager;
// Create task.
Task task (thread_manager,
orb.in ());
// Task activation flags.
long flags =
THR_NEW_LWP |
THR_JOINABLE |
orb->orb_core ()->orb_params ()->thread_creation_flags ();
// Activate task.
result = task.activate (flags);
if (result == -1)
{
if (errno == EPERM)
{
ACE_ERROR_RETURN ((LM_ERROR,
"Cannot create thread with scheduling policy %s\n"
"because the user does not have the appropriate privileges, terminating program....\n"
"Check svc.conf options and/or run as root\n",
sched_policy_name (orb->orb_core ()->orb_params ()->ace_sched_policy ())),
2);
}
else
// Unexpected error.
ACE_ASSERT (0);
}
// Wait for task to exit.
result =
thread_manager.wait ();
ACE_ASSERT (result != -1);
if (decreased == false)
{
ACE_ERROR_RETURN ((LM_ERROR, "ERROR: Number of threads didn't decrease\n"), -1);
}
}
catch (const CORBA::Exception& ex)
{
ex._tao_print_exception ("Exception caught");
return -1;
}
return 0;
}
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