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Question

I have a client/server app, I’m using Dr.Memory to debug and find mem leaks. The issue is that there are too many from the logger i’ve created for my application. Find the minimum reproducible example below –

Logger.hpp

#ifndef HORIZON_LOGGER_H
#define HORIZON_LOGGER_H

#include <cstring>
#include <atomic>
#include <mutex>

#define BOOST_LOG_DYN_LINK 0

#include <boost/log/core.hpp>
#include <boost/log/trivial.hpp>
#include <boost/log/sources/severity_logger.hpp>
#include <boost/log/expressions.hpp>
#include <boost/log/sinks/text_file_backend.hpp>
#include <boost/log/utility/setup/file.hpp>
#include <boost/log/utility/setup/common_attributes.hpp>

class Logger
{
private:
    typedef boost::log::sources::severity_logger<boost::log::trivial::severity_level> logtype;

public:
    Logger();
    ~Logger();

    static Logger *getInstance()
    {
        static Logger instance;

        if (!instance._initialized)
            instance.initialize();
        
        return &instance;
    }

    void initialize();
    
    logtype &get_core_log() { return _core_log; }
    
    void colored_formatter(boost::log::record_view const& rec, boost::log::formatting_ostream& strm);
    std::string color(uint16_t color);

protected:
    logtype _core_log;
    std::atomic<bool> _initialized;

};

#define HLog(type) BOOST_LOG_TRIVIAL(Logger().getInstance()->get_core_log(), boost::log::trivial::type)

#endif //HORIZON_LOGGER_H

Logger.cpp

#include "Logger.hpp"
#include <iostream>
#include <boost/log/utility/setup/file.hpp>
#include <boost/log/expressions.hpp>
#include <boost/date_time/posix_time/posix_time_types.hpp>
#include <boost/log/support/date_time.hpp>
#include <boost/log/utility/setup/console.hpp>

Logger::Logger()
{
}

Logger::~Logger()
{
    //
}

std::string Logger::color(uint16_t color) { return "33[" + std::to_string(color) + "m"; }
 
void Logger::colored_formatter(boost::log::record_view const& rec, boost::log::formatting_ostream& strm)
{
    static auto date_time_formatter = boost::log::expressions::stream << boost::log::expressions::format_date_time<boost::posix_time::ptime >("TimeStamp", "%Y-%m-%d %H:%M:%S.%f");

    strm << "[";
    date_time_formatter(rec, strm);
    strm << "] [";

    auto severity = rec[boost::log::trivial::severity];

    switch (*severity) {
        case boost::log::trivial::trace:
        case boost::log::trivial::debug:
            strm << color(90);
        break;
        case boost::log::trivial::info:
            strm << color(36);
        break;
        case boost::log::trivial::warning:
            strm << color(33);
        break;
        case boost::log::trivial::error:
        case boost::log::trivial::fatal:
            strm << color(31);
        break;
        default:
        break;
    }

    strm << severity << color(0) << "]  " << rec[boost::log::expressions::message];
}

void Logger::initialize()
{
    /* init boost log 
     * 1. Add common attributes
     * 2. set log filter to trace
     */
    boost::log::add_common_attributes();
    
    boost::log::core::get()->add_global_attribute("Scope",
        boost::log::attributes::named_scope());
    
    boost::log::core::get()->set_filter(
        boost::log::trivial::severity >= boost::log::trivial::trace
    );

    /* log formatter:
     * [TimeStamp] [Severity Level] Log message
     */
    auto fmtTimeStamp = boost::log::expressions::
        format_date_time<boost::posix_time::ptime>("TimeStamp", "%Y-%m-%d %H:%M:%S.%f");
    
    auto fmtSeverity = boost::log::expressions::
        attr<boost::log::trivial::severity_level>("Severity");
    
    auto fmtScope = boost::log::expressions::format_named_scope("Scope",
        boost::log::keywords::format = "%n(%f:%l)",
        boost::log::keywords::iteration = boost::log::expressions::reverse,
        boost::log::keywords::depth = 2);
    
    boost::log::formatter logFmt =
        boost::log::expressions::format("[%1%] (%2%) %3%")
        % fmtTimeStamp % fmtSeverity
        % boost::log::expressions::smessage;

    /* console sink */
    auto consoleSink = boost::log::add_console_log(std::clog);
    
    consoleSink->set_formatter(std::bind(&Logger::colored_formatter, this, std::placeholders::_1, std::placeholders::_2));

    /* fs sink */
    auto fsSink = boost::log::add_file_log(
        boost::log::keywords::target = "logs",
        boost::log::keywords::file_name = "logs/log_%Y-%m-%d_%H-%M-%S.%N.log",
        boost::log::keywords::rotation_size = 10 * 1024 * 1024,
        boost::log::keywords::min_free_space = 30 * 1024 * 1024,
        boost::log::keywords::open_mode = std::ios_base::app);
    
    fsSink->set_formatter(logFmt);
    
    fsSink->locked_backend()->auto_flush(true);

    _initialized.store(true);
}

These cause many leaks as shown below:

Error #26: LEAK 118 direct bytes 0x0000021f81ba0450-0x0000021f81ba04c6 + 0 indirect bytes
# 0 replace_malloc                                                             [D:adrmemorydrmemorycommonalloc_replace.c:2580]
# 1 boost_filesystem-vc143-mt-gd-x64!boost::filesystem::detail::path_algorithms::compare_v4+0x361a2  (0x00007ffd70318873 <boost_filesystem-vc143-mt-gd-x64+0x38873>)
# 2 boost_filesystem-vc143-mt-gd-x64!boost::filesystem::detail::path_algorithms::compare_v4+0x2752b  (0x00007ffd70309bfc <boost_filesystem-vc143-mt-gd-x64+0x29bfc>)
# 3 boost_filesystem-vc143-mt-gd-x64!boost::filesystem::detail::path_algorithms::compare_v4+0x2a4cb  (0x00007ffd7030cb9c <boost_filesystem-vc143-mt-gd-x64+0x2cb9c>)
# 4 boost_filesystem-vc143-mt-gd-x64!boost::filesystem::detail::path_algorithms::compare_v4+0x15627  (0x00007ffd702f7cf8 <boost_filesystem-vc143-mt-gd-x64+0x17cf8>)
# 5 boost_log-vc143-mt-gd-x64-1_84.d!boost::filesystem::absolute               [C:vcpkginstalledx64-windowsincludeboostfilesystemoperations.hpp:367]
# 6 boost_log-vc143-mt-gd-x64-1_84.d!boost::log::v2_mt_nt62::sinks::`anonymous namespace'::file_collector_repository::get_collector [C:vcpkgbuildtreesboost-logsrcost-1.84.0-de692694bc.cleansrctext_file_backend.cpp:1064]
# 7 boost_log-vc143-mt-gd-x64-1_84.d!boost::log::v2_mt_nt62::sinks::file::aux::make_collector [C:vcpkgbuildtreesboost-logsrcost-1.84.0-de692694bc.cleansrctext_file_backend.cpp:1115]
# 8 boost::log::v2_mt_nt62::sinks::file::aux::make_collector<>                 [C:vcpkginstalledx64-windowsincludeboostlogsinkstext_file_backend.hpp:167]
# 9 boost::log::v2_mt_nt62::aux::file_name_param_traits<>::wrap_add_file_log<> [C:vcpkginstalledx64-windowsincludeboostlogutilitysetupfile.hpp:116]
#10 boost::log::v2_mt_nt62::add_file_log<>                                     [C:vcpkginstalledx64-windowsincludeboostlogutilitysetupfile.hpp:150]
#11 Logger::initialize                                                         [C:UsersSagun KhoslaDesktopReposhorizonsrcCoreLoggingLogger.cpp:119]

Invalid Heap Argument

Error #1: INVALID HEAP ARGUMENT to free 0x0000021f81b9fae0
# 0 replace_operator_delete_nothrow                                            [D:adrmemorydrmemorycommonalloc_replace.c:2978]
# 1 boost_log-vc143-mt-gd-x64-1_84.d!operator delete                           [D:a_work1ssrcvctoolscrtvcstartupsrcheapdelete_scalar_size.cpp:31]
# 2 boost_log-vc143-mt-gd-x64-1_84.d!boost::filesystem::path::~path  
# 3 boost_log-vc143-mt-gd-x64-1_84.d!boost::log::v2_mt_nt62::sinks::text_file_backend::set_file_name_pattern_internal [C:vcpkgbuildtreesboost-logsrcost-1.84.0-de692694bc.cleansrctext_file_backend.cpp:1575]
# 4 boost_log-vc143-mt-gd-x64-1_84.d!boost::log::v2_mt_nt62::sinks::text_file_backend::construct [C:vcpkgbuildtreesboost-logsrcost-1.84.0-de692694bc.cleansrctext_file_backend.cpp:1368]
# 5 boost::log::v2_mt_nt62::sinks::text_file_backend::construct<>              [C:vcpkginstalledx64-windowsincludeboostlogsinkstext_file_backend.hpp:599]
# 6 boost::log::v2_mt_nt62::aux::add_file_log<>                                [C:vcpkginstalledx64-windowsincludeboostlogutilitysetupfile.hpp:80]
# 7 boost::log::v2_mt_nt62::aux::file_name_param_traits<>::wrap_add_file_log<> [C:vcpkginstalledx64-windowsincludeboostlogutilitysetupfile.hpp:116]
# 8 boost::log::v2_mt_nt62::add_file_log<>                                     [C:vcpkginstalledx64-windowsincludeboostlogutilitysetupfile.hpp:150]
# 9 Logger::initialize                                                         [C:UsersSagun KhoslaDesktopReposhorizonsrcCoreLoggingLogger.cpp:119]
#10 Logger::getInstance                                                        [C:UsersSagun KhoslaDesktopReposhorizonsrcCoreLoggingLogger.hpp:54]
#11 Server::Server                                                             [C:UsersSagun KhoslaDesktopReposhorizonsrcServerCommonServer.cpp:213]
#12 Horizon::Zone::ZoneMainframe::ZoneMainframe                                [C:UsersSagun KhoslaDesktopReposhorizonsrcServerZoneZone.cpp:39]
#13 ZoneSystemTest_invoker                                                     [C:UsersSagun KhoslaDesktopReposhorizonsrcTestsZoneSystemTest.cpp:53]
#14 boost::detail::forward::operator()                                         [C:vcpkginstalledx64-windowsincludeboosttestimplexecution_monitor.ipp:1405]
#15 boost::detail::function::function_obj_invoker0<>::invoke                   [C:vcpkginstalledx64-windowsincludeboostfunctionfunction_template.hpp:137]
#16 boost::detail::do_invoke<>                                                 [C:vcpkginstalledx64-windowsincludeboosttestimplexecution_monitor.ipp:318]
#17 boost::execution_monitor::catch_signals                                    [C:vcpkginstalledx64-windowsincludeboosttestimplexecution_monitor.ipp:1236]
#18 boost::execution_monitor::execute                                          [C:vcpkginstalledx64-windowsincludeboosttestimplexecution_monitor.ipp:1318]
#19 boost::execution_monitor::vexecute                                         [C:vcpkginstalledx64-windowsincludeboosttestimplexecution_monitor.ipp:1414]
Note: @0:00:12.766 in thread 30180
Note: refers to -1 byte(s) before next malloc
Note: next higher malloc: 0x0000021f81b9fae0-0x0000021f81b9fb30
Note: refers to -80 byte(s) beyond last valid byte in prior malloc
Note: prev lower malloc:  0x0000021f81b9fae0-0x0000021f81b9fb30

What can I do to rid of these bugs?

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Danh mục

Many memory leaks found in Boost Logger C++