75 lines
1.7 KiB
C++
75 lines
1.7 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "leakdetector.h"
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#include <QHash>
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#include <QMutex>
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#include <QObject>
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#include <QTextStream>
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#ifdef MVPN_DEBUG
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static QMutex s_leakDetector;
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QHash<QString, QHash<void*, uint32_t>> s_leaks;
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#endif
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LeakDetector::LeakDetector() {
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#ifndef MVPN_DEBUG
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qFatal("LeakDetector _must_ be created in debug builds only!");
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#endif
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}
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LeakDetector::~LeakDetector() {
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#ifdef MVPN_DEBUG
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QTextStream out(stderr);
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out << "== Mozilla VPN - Leak report ===================" << Qt::endl;
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bool hasLeaks = false;
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for (auto i = s_leaks.begin(); i != s_leaks.end(); ++i) {
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QString className = i.key();
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if (i->size() == 0) {
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continue;
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}
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hasLeaks = true;
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out << className << Qt::endl;
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for (auto l = i->begin(); l != i->end(); ++l) {
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out << " - ptr: " << l.key() << " size:" << l.value() << Qt::endl;
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}
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}
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if (!hasLeaks) {
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out << "No leaks detected." << Qt::endl;
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}
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#endif
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}
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#ifdef MVPN_DEBUG
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void LeakDetector::logCtor(void* ptr, const char* typeName, uint32_t size) {
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QMutexLocker lock(&s_leakDetector);
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QString type(typeName);
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if (!s_leaks.contains(type)) {
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s_leaks.insert(type, QHash<void*, uint32_t>());
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}
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s_leaks[type].insert(ptr, size);
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}
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void LeakDetector::logDtor(void* ptr, const char* typeName, uint32_t size) {
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QMutexLocker lock(&s_leakDetector);
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QString type(typeName);
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Q_ASSERT(s_leaks.contains(type));
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QHash<void*, uint32_t>& leak = s_leaks[type];
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Q_ASSERT(leak.contains(ptr));
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Q_ASSERT(leak[ptr] == size);
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leak.remove(ptr);
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}
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#endif
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