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/** \file admin_executor_service.cpp
* Admin Executor Service (AES)
*
* $Id: admin_executor_service.cpp,v 1.1 2001/04/18 13:54:25 valignat Exp $
*/
/* Copyright, 2000 Nevrax Ltd.
*
* This file is part of NEVRAX NeL Network Services
* NEVRAX NeL Network Services is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* NEVRAX NeL Network Services is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with NEVRAX NeL Network Services; see the file COPYING. If not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
* MA 02111-1307, USA.
*/
#include <nel/misc/debug.h>
#include <nel/misc/log.h>
#include <nel/misc/common.h>
#include <nel/net/service.h>
#include <nel/net/net_displayer.h>
#include "sysload.h"
#include "sysmem.h"
#include "sysswap.h"
using namespace std;
using namespace NLMISC;
using namespace NLNET;
static const char UNKNOW_VALUE[] = "<Unknown>";
CLog StatLog(CLog::LOG_STAT);
/// Log Stat data (STT)
void sendData (const char *str, TSenderId from)
{
StatLog.displayNL( str );
}
/// Log the last minute average load
void cbLoad ( CMessage& message, TSenderId from )
{
CSysLoad sysload = CSysLoad();
double load = sysload.getLoadInfo();
string answer( "LOAD " );
if ( load < 0 )
{
answer.append( UNKNOW_VALUE );
}
else
{
char str[6];
smprintf( str, 6, "%.2f", load );
answer.append( string(str) );
}
sendData( answer.c_str(), from );
}
/// Log the total memory size and the used memory size (in B)
void cbMemory ( CMessage& message, TSenderId from )
{
CSysMemory sysmem = CSysMemory();
sint memUsage = sysmem.getMemoryUsage();
string answer( "MEM " );
if ( memUsage < 0 )
{
answer.append( UNKNOW_VALUE );
}
else
{
char str[3];
smprintf( str, 3, "%d", memUsage );
answer.append( string(str) );
}
sendData( answer.c_str(), from );
}
/// Log the swap size and the used swap space (in kB)
void cbSwap ( CMessage& message, TSenderId from )
{
CSysSwap sysswap = CSysSwap();
sint swapUsage = sysswap.getSwapUsage();
string answer( "SWAP " );
if ( swapUsage < 0 )
{
answer.append( UNKNOW_VALUE );
}
else
{
char str[3];
smprintf( str, 3, "%d", swapUsage );
answer.append( string(str) );
}
sendData( answer.c_str(), from );
}
// Log all the server informations.
void cbSystem ( CMessage& message, TSenderId from )
{
cbLoad ( message, from );
cbMemory ( message, from );
cbSwap ( message, from );
}
/**
* Callback Array
* Message types:
* LOAD: log Load information
* MEMORY: log Memory information
* SWAP: log Swap information
* SYSTEM: log the Load, Memory, and Swap informations
*/
TCallbackItem CallbackArray[] =
{
{ "LOAD", cbLoad },
{ "MEMORY", cbMemory },
{ "SWAP", cbSwap },
{ "SYSTEM", cbSystem }
};
/** Admin Executor Service (AES).
* Log informations (load, memory usage, etc ...) about the server it's
* running on.
* These informations are used by the Admin Service (AS) and the Naming
* Service (NS) to watch the differents servers of the shard.
*/
class CAdminExecutorService : public NLNET::IService
{
public:
/// Initializes the service
void init ()
{
// Connect to the Log Service
StatLog.addDisplayer( new NLMISC::CStdDisplayer() );
NLNET::CNetDisplayer *nd = new NLNET::CNetDisplayer;
if ( nd->connected() )
{
StatLog.addDisplayer( nd );
}
else
{
nlerror( "Coudn't connect to the Log Service." );
}
}
};
NLNET_SERVICE_MAIN( CAdminExecutorService, "AES", 50009 );
// End of admin_executor_service.cpp
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