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// $Id: group.cpp 82330 2008-07-15 17:30:06Z parsons $
#include "ace/OS_NS_unistd.h"
#include "ace/streams.h"
#include "ace/Monitor_Point_Registry.h"
#include "ace/Monitor_Admin_Manager.h"
#include "ace/Monitor_Control/Monitor_Control.h"
#include "examples/Monitor/MC_Test_Utilities.h"
#if defined (ACE_HAS_MONITOR_FRAMEWORK) && (ACE_HAS_MONITOR_FRAMEWORK == 1)
using namespace ACE_VERSIONED_NAMESPACE_NAME::ACE::Monitor_Control;
/// Subclass of ACE_Task_Base, meaning that the override of
/// the svc() method below will run in a new thread when
/// activate() is called on a class instance.
class Monitor_Checker : public ACE_Task_Base
{
public:
int svc (void)
{
/// Get an instance of the MC service singleton.
MC_ADMINMANAGER* mgr =
ACE_Dynamic_Service<Monitor_Admin_Manager>::instance ("MC_ADMINMANAGER");
ACE::Monitor_Control::Monitor_Base *cpu_monitor =
mgr->admin ().monitor_point ("OS/Processor/CPULoad");
ACE::Monitor_Control::Monitor_Base *memory_monitor =
mgr->admin ().monitor_point ("OS/Memory/TotalUsage");
ACE::Monitor_Control::Monitor_Base *bytes_monitor =
mgr->admin ().monitor_point ("OS/Network/BytesSent");
/// Query the monitor for its data every 2 seconds, and call the
/// appropriate display function.
for (int i = 0; i < 10; ++i)
{
ACE_OS::sleep (2);
Monitor_Control_Types::Data cpu_data (cpu_monitor->type ());
cpu_monitor->retrieve (cpu_data);
MC_Test_Utilities::display_cpu_load (cpu_data);
Monitor_Control_Types::Data mem_data (memory_monitor->type ());
memory_monitor->retrieve (mem_data);
MC_Test_Utilities::display_memory_usage (mem_data);
Monitor_Control_Types::Data bytes_data (bytes_monitor->type ());
bytes_monitor->retrieve (bytes_data);
MC_Test_Utilities::display_bytes_sent (bytes_data);
cout << endl;
}
cpu_monitor->remove_ref ();
memory_monitor->remove_ref ();
bytes_monitor->remove_ref ();
return 0;
}
};
#endif /* ACE_HAS_MONITOR_FRAMEWORK==1 */
int
ACE_TMAIN (int /* argc */, ACE_TCHAR * /* argv */ [])
{
#if defined (ACE_HAS_MONITOR_FRAMEWORK) && (ACE_HAS_MONITOR_FRAMEWORK == 1)
/// Creates these future group members without automatic update.
Monitor_Base *cpu_load_monitor =
create_os_monitor<CPU_LOAD_MONITOR> ();
Monitor_Base *bytes_sent_monitor =
create_os_monitor<BYTES_SENT_MONITOR> ();
Monitor_Base *memory_usage_monitor =
create_os_monitor<MEMORY_USAGE_MONITOR> ();
Monitor_Group *group = new Monitor_Group ("Test_Group");
group->add_member (cpu_load_monitor);
group->add_member (bytes_sent_monitor);
group->add_member (memory_usage_monitor);
/// Register the group as an auto-updated monitor point.
MC_ADMINMANAGER* mgr =
ACE_Dynamic_Service<MC_ADMINMANAGER>::instance ("MC_ADMINMANAGER");
bool good_add = mgr->admin ().monitor_point (group, ACE_Time_Value (2));
if (!good_add)
{
ACE_ERROR ((LM_ERROR,
"Group monitor \"%s\" registration failed.\n",
group->name ()));
}
/// A quick test of the registry's name cache.
Monitor_Control_Types::NameList mc_names =
Monitor_Point_Registry::instance ()->names ();
cout << "stored in monitor point registry:" << endl << endl;
for (Monitor_Control_Types::NameList::Iterator i (mc_names);
!i.done ();
i.advance ())
{
ACE_CString *item = 0;
i.next (item);
cout << item->c_str () << endl;
}
cout << endl;
/// Runs the reactor's event loop in a separate thread so the timer(s)
/// can run concurrently with the application.
START_PERIODIC_MONITORS;
/// Run the monitor checker in a separate thread.
Monitor_Checker monitor_checker;
monitor_checker.activate ();
char * str_array[5] = {0};
for (int i = 0; i < 10; ++i)
{
ACE_OS::sleep (1);
/// Alternate between letting the CPU sleep and keeping it
/// busy.
if (i % 2 == 0)
{
ACE_OS::sleep (1);
}
else
{
for (unsigned long j = 0; j < 5050505; j++)
{
(void) ACE::gcd (2419233733UL, 567715713UL);
}
}
/// Allocate a large string in each of the first 5 loops,
/// free them in the last 5 loops.
if (i < 5)
{
str_array[i] = new char[1024*1024*10];
}
else
{
delete [] str_array[i - 5];
}
}
/// End the reactor's event loop, stopping the timer(s).
STOP_PERIODIC_MONITORS;
cpu_load_monitor->remove_ref ();
bytes_sent_monitor->remove_ref ();
memory_usage_monitor->remove_ref ();
group->remove_ref ();
#endif /* ACE_HAS_MONITOR_FRAMEWORK==1 */
return 0;
}
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