mirror of
https://github.com/IT4Change/gradido.git
synced 2025-12-13 07:45:54 +00:00
Ulf Gebhardt
ac99a7097e
git-subtree-dir: login_server git-subtree-mainline: 09ebb40de21084bb10ee466429d900a5e757d349 git-subtree-split: ca71af1817a801db9a108c205bc298250d498c4b
97 lines
2.5 KiB
C++
97 lines
2.5 KiB
C++
#include "MemoryPage.h"
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#include "../SingletonManager/ErrorManager.h"
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/*
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unsigned char* m_pObjectData; //Zeiger auf den reservieretn Speicher
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unsigned char** m_ppFreeObjects; //Zeiger auf die anderen Zeiger
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Poco::UInt16 m_iNumObject; //Anzahl der Objecte
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Poco::UInt16 m_ibFreeOnDestroy; //Weiß nicht
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Poco::UInt16 m_iTop; //Keine Ahnung
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Poco::UInt16 m_size;
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*/
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MemoryPage::MemoryPage(Poco::UInt16 iNumObjects, Poco::UInt16 objectSize)
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: m_pObjectData(nullptr), m_ppFreeObjects(nullptr), m_iNumObject(iNumObjects), m_iTop(0), m_size(objectSize)
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{
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//Fehler abfangen
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//ASSERT(iNumObjects > 0);
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//if (iNumObjects <= 0) LOG_ERROR_VOID("not enough objects ");
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//Speicher reservieren
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m_pObjectData = (unsigned char*)malloc(objectSize * iNumObjects);
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//m_pObjectData = new FLDataType[iNumObjects];
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m_ppFreeObjects = new unsigned char*[iNumObjects];
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//Checken ob der Speicher reserviert wurde
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// ASSERT(m_pObjectData);
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// ASSERT(m_ppFreeObjects);
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// if (!m_pObjectData || !m_ppFreeObjects) LOG_ERROR_VOID("Es konnte kein Speicher reserviert werden!");
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if (!m_pObjectData || !m_ppFreeObjects) {
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auto em = ErrorManager::getInstance();
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em->addError(new ParamError("MemoryPage", "error reserving memory, memory size:", std::to_string(objectSize * iNumObjects)));
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em->sendErrorsAsEmail();
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return;
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}
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//Zeiger zuweisen
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FillStack();
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}
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MemoryPage::~MemoryPage()
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{
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if (m_pObjectData) {
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free(m_pObjectData);
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m_pObjectData = nullptr;
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}
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if (m_ppFreeObjects) {
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delete[] m_ppFreeObjects;
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m_ppFreeObjects = nullptr;
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}
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m_iNumObject = 0;
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m_iTop = 0;
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}
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//****************************************************************************++
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void MemoryPage::FillStack()
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{
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int iIndex = m_iNumObject - 1;
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//Die Zeiger in m_ppFreeObjects werden von vorne nach hinten,
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//von hinten nach vorne auf den reservierten Speicher ausgerichtet
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for (m_iTop = 0; m_iTop < m_iNumObject; m_iTop++)
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{
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m_ppFreeObjects[m_iTop] = &(m_pObjectData[iIndex--]);
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}
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}
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//*********************************************************************************
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unsigned char* MemoryPage::NewInstance()
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{
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// ASSERT(m_iTop);
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if (m_iTop <= 0)
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{
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return nullptr;
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//LOG_ERROR("Kein Platz mehr in der Liste!", NULL);
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}
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return m_ppFreeObjects[--m_iTop];
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}
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//********************************************************************************
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void MemoryPage::FreeInstance(unsigned char* pInstance)
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{
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//Fehler kontrolle
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// ASSERT(pInstance >= &(m_pObjectData[0]) &&
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// pInstance < &(m_pObjectData[m_iNumObject]));
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// ASSERT(m_iTop < m_iNumObject);
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m_ppFreeObjects[m_iTop++] = pInstance;
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}
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