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#include "RPS_Monitor.h"
#include "ServerRequestInterceptor.h"
#include "ace/UUID.h"
#include "tao/ORB_Constants.h"
#include "ace/OS_NS_sys_time.h"
ACE_RCSID (LoadBalancing,
RPS_Monitor,
"$Id$")
RPS_Monitor::RPS_Monitor (ServerRequestInterceptor * interceptor)
: location_ (1),
interceptor_ (interceptor),
last_time_ (ACE_OS::gettimeofday ()),
lock_ ()
{
this->location_.length (1);
ACE_Utils::UUID_GENERATOR::instance ()->init ();
ACE_Utils::UUID uuid;
ACE_Utils::UUID_GENERATOR::instance ()->generate_UUID (uuid);
this->location_[0].id = CORBA::string_dup (uuid.to_string ()->c_str ());
this->location_[0].kind = CORBA::string_dup ("UUID");
}
RPS_Monitor::~RPS_Monitor (void)
{
}
CosLoadBalancing::Location *
RPS_Monitor::the_location (void)
{
CosLoadBalancing::Location * location;
ACE_NEW_THROW_EX (location,
CosLoadBalancing::Location (this->location_),
CORBA::NO_MEMORY (
CORBA::SystemException::_tao_minor_code (
TAO::VMCID,
ENOMEM),
CORBA::COMPLETED_NO));
return location;
}
CosLoadBalancing::LoadList *
RPS_Monitor::loads (void)
{
const ACE_Time_Value current_time = ACE_OS::gettimeofday ();
ACE_Time_Value elapsed_time;
{
ACE_GUARD_RETURN (ACE_SYNCH_MUTEX, monitor, this->lock_, 0);
elapsed_time = current_time - this->last_time_;
this->last_time_ = current_time;
}
const CORBA::Long request_count = this->interceptor_->request_count ();
CosLoadBalancing::LoadList * tmp;
ACE_NEW_THROW_EX (tmp,
CosLoadBalancing::LoadList (1),
CORBA::NO_MEMORY (
CORBA::SystemException::_tao_minor_code (
TAO::VMCID,
ENOMEM),
CORBA::COMPLETED_NO));
CosLoadBalancing::LoadList_var load_list = tmp;
load_list->length (1);
load_list[0].id = CosLoadBalancing::RequestsPerSecond;
// VC 7.1 gives a warning without an explicit cast.
load_list[0].value =
static_cast<CORBA::Float> (request_count / elapsed_time.msec () * 1000);
// Strictly for debugging or
ACE_DEBUG ((LM_DEBUG, "%f\n", load_list[0].value));
return load_list._retn ();
}
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