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#include "Client_Task.h"
#include "tao/Strategies/advanced_resource.h"
#include "ace/Get_Opt.h"
#include "ace/Sched_Params.h"
#include "ace/Stats.h"
#include "ace/Throughput_Stats.h"
Client_Task::Client_Task (int &argc, ACE_TCHAR **argv)
: argc_ (argc)
, argv_ (argv)
, ior_ (ACE_TEXT("file://test.ior"))
, iterations_ (1000)
{
}
int
Client_Task::parse_args ()
{
ACE_Get_Opt get_opts (this->argc_, this->argv_, "k:n:O:");
int c;
while ((c = get_opts ()) != -1)
{
switch (c)
{
case 'k':
{
this->ior_ = get_opts.opt_arg ();
break;
}
case 'n':
{
int iterations = ACE_OS::atoi (get_opts.opt_arg ());
if (iterations >= 0 )
this->iterations_ = iterations;
break;
}
case '?':
ACE_ERROR_RETURN ((LM_ERROR,
"usage: %s "
"-k <file that contains IOR> "
"-n <iterations> "
"\n",
this->argv_ [0]),
-1);
default:
break;
}
}
// Indicates successful parsing of the command line
return 1;
}
void
Client_Task::try_RT_scheduling ()
{
int priority =
(ACE_Sched_Params::priority_min (ACE_SCHED_FIFO)
+ ACE_Sched_Params::priority_max (ACE_SCHED_FIFO)) / 2;
priority = ACE_Sched_Params::next_priority (ACE_SCHED_FIFO,
priority);
// Enable FIFO scheduling, e.g., RT scheduling class on Solaris.
if (ACE_OS::sched_params (ACE_Sched_Params (ACE_SCHED_FIFO,
priority,
ACE_SCOPE_PROCESS)) != 0)
{
if (errno == EPERM)
{
ACE_DEBUG ((LM_DEBUG,
"client (%P|%t): user is not superuser, "
"test runs in time-shared class\n"));
}
else
ACE_ERROR ((LM_ERROR,
"client (%P|%t): sched_params failed\n"));
}
}
int
Client_Task::narrow_servant (CORBA::ORB_ptr orb)
{
try
{
CORBA::Object_var object =
orb->string_to_object (this->ior_);
this->roundtrip_ =
Test::Roundtrip::_narrow (object.in ());
if (CORBA::is_nil (this->roundtrip_.in ()))
{
ACE_ERROR_RETURN ((LM_ERROR,
"Nil Test::Roundtrip reference <%s>\n",
this->ior_),
0);
}
}
catch (const CORBA::Exception& ex)
{
ex._tao_print_exception ("Exception caught trying to narrow servant\n");
return 0;
}
return 1;
}
int
Client_Task::run_test ()
{
ACE_hrtime_t test_start = 0;
ACE_hrtime_t test_end = 0;
try
{
test_start = ACE_OS::gethrtime ();
this->roundtrip_->start_test ();
this->svc ();
this->roundtrip_->end_test ();
test_end = ACE_OS::gethrtime ();
}
catch (const CORBA::Exception&)
{
return 0;
}
// High resolution timer calibration
ACE_High_Res_Timer::global_scale_factor_type gsf =
ACE_High_Res_Timer::global_scale_factor ();
ACE_Basic_Stats totals;
this->accumulate_and_dump (totals, ACE_TEXT("Task"), gsf);
totals.dump_results (ACE_TEXT("Total"), gsf);
ACE_Throughput_Stats::dump_throughput (ACE_TEXT("Total"), gsf,
test_end - test_start,
totals.samples_count ());
return 1;
}
int
Client_Task::svc ()
{
try
{
for (int i = 0; i != this->iterations_; ++i)
{
CORBA::ULongLong start = ACE_OS::gethrtime ();
(void) this->roundtrip_->test_method (start);
ACE_hrtime_t now = ACE_OS::gethrtime ();
this->latency_.sample (now - start);
}
}
catch (const CORBA::Exception&)
{
return 0;
}
return 1;
}
void
Client_Task::accumulate_and_dump (ACE_Basic_Stats &totals,
const ACE_TCHAR *msg,
ACE_High_Res_Timer::global_scale_factor_type gsf)
{
totals.accumulate (this->latency_);
this->latency_.dump_results (msg, gsf);
}
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