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Member "netxms-3.8.166/src/server/core/winperf.cpp" (23 Feb 2021, 3299 Bytes) of package /linux/misc/netxms-3.8.166.tar.gz:


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    1 /* 
    2 ** NetXMS - Network Management System
    3 ** Copyright (C) 2003-2020 Victor Kirhenshtein
    4 **
    5 ** This program is free software; you can redistribute it and/or modify
    6 ** it under the terms of the GNU General Public License as published by
    7 ** the Free Software Foundation; either version 2 of the License, or
    8 ** (at your option) any later version.
    9 **
   10 ** This program is distributed in the hope that it will be useful,
   11 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
   12 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   13 ** GNU General Public License for more details.
   14 **
   15 ** You should have received a copy of the GNU General Public License
   16 ** along with this program; if not, write to the Free Software
   17 ** Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
   18 **
   19 ** File: winperf.cpp
   20 **
   21 **/
   22 
   23 #include "nxcore.h"
   24 
   25 /**
   26  * Create new empty performance object
   27  */
   28 WinPerfObject::WinPerfObject(const TCHAR *name)
   29 {
   30     m_name = _tcsdup(name);
   31     m_instances = new StringList;
   32     m_counters = new StringList;
   33 }
   34 
   35 /**
   36  * Destructor
   37  */
   38 WinPerfObject::~WinPerfObject()
   39 {
   40     free(m_name);
   41     delete m_instances;
   42     delete m_counters;
   43 }
   44 
   45 /**
   46  * Fill information from agent
   47  */
   48 bool WinPerfObject::readDataFromAgent(AgentConnection *conn)
   49 {
   50     TCHAR param[256];
   51     _sntprintf(param, 256, _T("PDH.ObjectCounters(\"%s\")"), m_name);
   52 
   53     StringList *data;
   54     if (conn->getList(param, &data) != ERR_SUCCESS)
   55         return false;
   56     for(int i = 0; i < data->size(); i++)
   57         m_counters->add(data->get(i));
   58     delete data;
   59 
   60     _sntprintf(param, 256, _T("PDH.ObjectInstances(\"%s\")"), m_name);
   61     if (conn->getList(param, &data) != ERR_SUCCESS)
   62         return false;
   63    for(int i = 0; i < data->size(); i++)
   64         m_instances->add(data->get(i));
   65    delete data;
   66 
   67     return true;
   68 }
   69 
   70 /**
   71  * Fill NXCP message with object's data
   72  *
   73  * @return next available variable ID
   74  */
   75 UINT32 WinPerfObject::fillMessage(NXCPMessage *msg, UINT32 baseId)
   76 {
   77     msg->setField(baseId, m_name);
   78     msg->setField(baseId + 1, (UINT32)m_counters->size());
   79     msg->setField(baseId + 2, (UINT32)m_instances->size());
   80 
   81     UINT32 varId = baseId + 3;
   82     for(int i = 0; i < m_counters->size(); i++)
   83         msg->setField(varId++, m_counters->get(i));
   84     for(int i = 0; i < m_instances->size(); i++)
   85         msg->setField(varId++, m_instances->get(i));
   86     return varId;
   87 }
   88 
   89 /**
   90  * Get windows performance objects from node
   91  */
   92 ObjectArray<WinPerfObject> *WinPerfObject::getWinPerfObjectsFromNode(Node *node, AgentConnection *conn)
   93 {
   94     ObjectArray<WinPerfObject> *objects;
   95     StringList *data;
   96     if (conn->getList(_T("PDH.Objects"), &data) == ERR_SUCCESS)
   97     {
   98         objects = new ObjectArray<WinPerfObject>(data->size(), 16, Ownership::True);
   99         for(int i = 0; i < data->size(); i++)
  100             objects->add(new WinPerfObject(data->get(i)));
  101         delete data;
  102 
  103         for(int i = 0; i < objects->size(); i++)
  104         {
  105             if (!objects->get(i)->readDataFromAgent(conn))
  106             {
  107                 DbgPrintf(5, _T("WinPerfObject::getWinPerfObjectsFromNode(%s [%d]): cannot read data for object %s"), node->getName(), node->getId(), objects->get(i)->getName());
  108                 objects->remove(i);
  109                 i--;
  110             }
  111         }
  112         if (objects->size() == 0)
  113             delete_and_null(objects);
  114     }
  115     else
  116     {
  117         DbgPrintf(5, _T("WinPerfObject::getWinPerfObjectsFromNode(%s [%d]): cannot read PDH.Objects list"), node->getName(), node->getId());
  118         objects = NULL;
  119     }
  120     return objects;
  121 }