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// -*- C++ -*-
// $Id$
#include "ace/Connector.h"
#include "ace/Service_Object.h"
#include "ace/Reactor.h"
#include "ace/INET_Addr.h"
#include "ace/Time_Value.h"
#include "ace/Synch_Options.h"
#include "ace/Thread_Mutex.h"
#include "HostMonitorImpl.h"
#include "Failure_Handler.h"
#include "Monitor_Thread.h"
#include "RM_Proxy.h"
#include "HMOptions.h"
#include "Utilization_Monitor.h"
HostMonitorImpl::HostMonitorImpl (CORBA::ORB_ptr orb, Monitor_Thread *mt)
: monitor_thread_ (mt),
port_counter_ (HMOptions::instance ()->port_range_begin ()),
connector_ (monitor_thread_->get_reactor ()),
orb_ (CORBA::ORB::_duplicate (orb))
{
this->create_RM_Proxy ();
}
HostMonitorImpl::~HostMonitorImpl (void)
{
this->remove_RM_Proxy ();
}
void
HostMonitorImpl::dump (void)
{
//ACE_DEBUG ((LM_DEBUG, "inside dump method\n"));
}
::CORBA::Boolean
HostMonitorImpl::register_process (const char *process_id,
const char * hostname,
CORBA::Long port)
{
//ACE_DEBUG ((LM_DEBUG, "Entering register process\n"));
Failure_Handler *handler = 0;
ACE_SOCK_Connector::PEER_ADDR serv_addr;
serv_addr.set (port, hostname);
ACE_Synch_Options options (ACE_Synch_Options::USE_TIMEOUT,
ACE_Time_Value (1));
if (connector_.connect (handler, serv_addr, options) < 0)
{
ACE_ERROR_RETURN ((LM_ERROR,
"Failed to open an connector socket.\n"), 1);
}
handler->set_host_monitor (this);
handler->watch_process (handler->get_handle (),
process_id,
hostname,
port);
process_map_.bind (process_id, handler);
ACE_DEBUG ((LM_TRACE,
"HostMonitorImpl::register_process "
"process_id = %s, port = %d.\n",
process_id,
port));
return true;
}
::CORBA::Boolean
HostMonitorImpl::unregister_process (const char *process_id)
{
Failure_Handler *handler = 0;
if (process_map_.find (process_id, handler) == 0)
{
ACE_DEBUG ((LM_DEBUG,
"HostMonitorImpl::unregister_process %s.\n",
process_id));
if ((handler->drop_process (handler->get_handle ()) == 0))
{
if (remove_process (process_id) == 0)
{
return true;
}
}
else
{
ACE_DEBUG ((LM_DEBUG,
"HostMonitorImpl::unregister_process "
"Process %s can't be dropped!\n",
process_id));
}
}
else
{
ACE_DEBUG ((LM_DEBUG,
"HostMonitorImpl::unregister_process "
"Invalid process_id = %s.\n",
process_id));
}
return true;
}
::CORBA::Short
HostMonitorImpl::heartbeat_port (void)
{
/*
ACE_DEBUG ((LM_TRACE, "HostMonitorImpl::heartbeat_port () - "
"sent out port number %d\n", port_counter_));
*/
return port_counter_++;
}
int HostMonitorImpl::drop_process (const std::string &process_id)
{
Failure_Handler *handler = 0;
if (process_map_.find (process_id, handler) == 0)
{
rm_proxy_->proc_failure (process_id);
return remove_process (process_id);
}
return -1;
}
RM_Proxy *HostMonitorImpl::create_RM_Proxy (void)
{
if (rm_proxy_.get() == 0)
{
std::auto_ptr <Utilization_Monitor> util_mon (
new Utilization_Monitor);
std::auto_ptr <RM_Proxy> rm_proxy (new RM_Proxy (orb_));
rm_proxy->set_Utilization_Monitor (util_mon.get ());
util_mon->set_RM_Proxy (rm_proxy.get ());
rm_proxy->hertz (HMOptions::instance ()->RM_update_freq ());
util_mon->hertz (HMOptions::instance ()->load_monitor_freq ());
util_mon->start ();
rm_proxy->start ();
/// Trasnfer of ownership.
this->util_mon_ = util_mon;
this->rm_proxy_ = rm_proxy;
}
return rm_proxy_.get ();
}
void HostMonitorImpl::remove_RM_Proxy (void)
{
if (process_map_.current_size() == 0)
{
rm_proxy_->stop ();
util_mon_->stop ();
rm_proxy_.reset (0);
util_mon_.reset (0);
}
}
int HostMonitorImpl::remove_process (std::string const &process_id)
{
if (process_map_.unbind (process_id) == 0)
{
return 0;
}
return -1;
}
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