mirror of
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b7ba0b64dc
stack trace:
(gdb) bt
0 0x00007ffff7dda355 in raise () from /usr/lib/libc.so.6
1 0x00007ffff7dc3853 in abort () from /usr/lib/libc.so.6
2 0x0000000013a78180 in abort_message (format=format@entry=0x5781e10 "terminate_handler unexpectedly threw an exception") at abort_message.cpp:76
3 0x0000000013a899ff in std::__terminate (func=<optimized out>) at cxa_handlers.cpp:67
4 0x0000000013a771a1 in __cxxabiv1::call_terminate (native_exception=native_exception@entry=true, unwind_exception=unwind_exception@entry=0x7ffff70e9060) at cxa_personality.cpp:323
5 0x0000000013a77669 in __cxxabiv1::scan_eh_tab (results=..., actions=<optimized out>, native_exception=native_exception@entry=true, unwind_exception=0x7ffff70e9060, context=context@entry=0x7fffffffc3a0) at cxa_personality.cpp:887
6 0x0000000013a77bde in __cxxabiv1::__gxx_personality_v0 (version=<optimized out>, actions=<optimized out>, exceptionClass=<optimized out>, unwind_exception=0x7ffff70e9060, context=0x7fffffffc3a0) at cxa_personality.cpp:969
7 0x0000000013a962d7 in unwind_phase1 (exception_object=0x7ffff70e9060, cursor=0x7fffffffc3a0, uc=0x7fffffffc2f0) at UnwindLevel1.c:98
8 _Unwind_RaiseException (exception_object=exception_object@entry=0x7ffff70e9060) at UnwindLevel1.c:363
9 0x0000000013a8929b in __cxxabiv1::__cxa_rethrow () at cxa_exception.cpp:607
10 0x000000000f170ad2 in DB::WriteBuffer::next (this=0x7fffffffc510) at WriteBuffer.h:52
11 writeSignalIDtoSignalPipe (sig=<optimized out>) at BaseDaemon.cpp:111
12 <signal handler called>
13 0x00007ffff7e9895b in munmap () from /usr/lib/libc.so.6
14 0x00007ffff7f7e255 in free_stacks () from /usr/lib/libpthread.so.0
15 0x00007ffff7f7e6aa in __deallocate_stack () from /usr/lib/libpthread.so.0
16 0x00007ffff7f80898 in __pthread_clockjoin_ex () from /usr/lib/libpthread.so.0
17 0x0000000013a759f7 in std::__1::__libcpp_thread_join (__t=0x7fff0aa2b090) at __threading_support:409
18 std::__1:🧵:join (this=this@entry=0x7fff0aa2b090) at thread.cpp:56
19 0x000000000a4c9399 in ThreadPoolImpl<std::__1::thread>::finalize (this=this@entry=0x7ffff7053900) at list:355
20 0x000000000a4c9426 in ThreadPoolImpl<std::__1::thread>::~ThreadPoolImpl (this=0x7ffff7053900, __in_chrg=<optimized out>) at ThreadPool.cpp:172
21 0x000000000a4c8a9c in GlobalThreadPool::~GlobalThreadPool (this=0x7ffff7053900, __in_chrg=<optimized out>) at ThreadPool.h:132
22 std::__1::default_delete<GlobalThreadPool>::operator() (__ptr=0x7ffff7053900, this=<optimized out>) at memory:2363
23 std::__1::unique_ptr<GlobalThreadPool, std::__1::default_delete<GlobalThreadPool> >::reset (__p=0x0, this=<optimized out>) at memory:2618
24 std::__1::unique_ptr<GlobalThreadPool, std::__1::default_delete<GlobalThreadPool> >::~unique_ptr (this=<optimized out>, __in_chrg=<optimized out>) at memory:2572
25 0x00007ffff7ddcc57 in __run_exit_handlers () from /usr/lib/libc.so.6
26 0x00007ffff7ddcdfe in exit () from /usr/lib/libc.so.6
27 0x00007ffff7dc5009 in __libc_start_main () from /usr/lib/libc.so.6
28 0x000000000a48702e in _start () at new:340
218 lines
7.8 KiB
C++
218 lines
7.8 KiB
C++
#pragma once
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#include <sys/types.h>
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#include <unistd.h>
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#include <iostream>
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#include <memory>
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#include <functional>
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#include <optional>
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#include <mutex>
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#include <condition_variable>
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#include <atomic>
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#include <chrono>
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#include <Poco/Process.h>
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#include <Poco/ThreadPool.h>
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#include <Poco/TaskNotification.h>
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#include <Poco/Util/Application.h>
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#include <Poco/Util/ServerApplication.h>
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#include <Poco/Net/SocketAddress.h>
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#include <Poco/Version.h>
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#include <common/types.h>
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#include <common/logger_useful.h>
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#include <common/getThreadId.h>
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#include <daemon/GraphiteWriter.h>
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#include <Common/Config/ConfigProcessor.h>
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#include <Common/StatusFile.h>
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#include <loggers/Loggers.h>
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namespace Poco { class TaskManager; }
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/// \brief Base class for applications that can run as daemons.
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///
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/// \code
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/// # Some possible command line options:
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/// # --config-file, -C or --config - path to configuration file. By default - config.xml in the current directory.
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/// # --log-file
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/// # --errorlog-file
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/// # --daemon - run as daemon; without this option, the program will be attached to the terminal and also output logs to stderr.
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/// <daemon_name> --daemon --config-file=localfile.xml --log-file=log.log --errorlog-file=error.log
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/// \endcode
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///
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/// You can configure different log options for different loggers used inside program
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/// by providing subsections to "logger" in configuration file.
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class BaseDaemon : public Poco::Util::ServerApplication, public Loggers
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{
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friend class SignalListener;
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public:
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static inline constexpr char DEFAULT_GRAPHITE_CONFIG_NAME[] = "graphite";
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BaseDaemon();
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~BaseDaemon() override;
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/// Загружает конфигурацию и "строит" логгеры на запись в файлы
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void initialize(Poco::Util::Application &) override;
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/// Читает конфигурацию
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void reloadConfiguration();
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/// Определяет параметр командной строки
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void defineOptions(Poco::Util::OptionSet & new_options) override;
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/// Заставляет демон завершаться, если хотя бы одна задача завершилась неудачно
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void exitOnTaskError();
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/// Завершение демона ("мягкое")
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void terminate();
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/// Завершение демона ("жёсткое")
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void kill();
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/// Получен ли сигнал на завершение?
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bool isCancelled() const
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{
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return is_cancelled;
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}
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/// Получение ссылки на экземпляр демона
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static BaseDaemon & instance()
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{
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return dynamic_cast<BaseDaemon &>(Poco::Util::Application::instance());
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}
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/// return none if daemon doesn't exist, reference to the daemon otherwise
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static std::optional<std::reference_wrapper<BaseDaemon>> tryGetInstance() { return tryGetInstance<BaseDaemon>(); }
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/// Спит заданное количество секунд или до события wakeup
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void sleep(double seconds);
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/// Разбудить
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void wakeup();
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/// В Graphite компоненты пути(папки) разделяются точкой.
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/// У нас принят путь формата root_path.hostname_yandex_ru.key
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/// root_path по умолчанию one_min
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/// key - лучше группировать по смыслу. Например "meminfo.cached" или "meminfo.free", "meminfo.total"
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template <class T>
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void writeToGraphite(const std::string & key, const T & value, const std::string & config_name = DEFAULT_GRAPHITE_CONFIG_NAME, time_t timestamp = 0, const std::string & custom_root_path = "")
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{
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auto writer = getGraphiteWriter(config_name);
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if (writer)
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writer->write(key, value, timestamp, custom_root_path);
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}
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template <class T>
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void writeToGraphite(const GraphiteWriter::KeyValueVector<T> & key_vals, const std::string & config_name = DEFAULT_GRAPHITE_CONFIG_NAME, time_t timestamp = 0, const std::string & custom_root_path = "")
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{
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auto writer = getGraphiteWriter(config_name);
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if (writer)
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writer->write(key_vals, timestamp, custom_root_path);
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}
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template <class T>
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void writeToGraphite(const GraphiteWriter::KeyValueVector<T> & key_vals, const std::chrono::system_clock::time_point & current_time, const std::string & custom_root_path)
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{
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auto writer = getGraphiteWriter();
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if (writer)
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writer->write(key_vals, std::chrono::system_clock::to_time_t(current_time), custom_root_path);
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}
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GraphiteWriter * getGraphiteWriter(const std::string & config_name = DEFAULT_GRAPHITE_CONFIG_NAME)
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{
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if (graphite_writers.count(config_name))
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return graphite_writers[config_name].get();
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return nullptr;
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}
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/// close all process FDs except
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/// 0-2 -- stdin, stdout, stderr
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/// also doesn't close global internal pipes for signal handling
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static void closeFDs();
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protected:
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/// Возвращает TaskManager приложения
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/// все методы task_manager следует вызывать из одного потока
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/// иначе возможен deadlock, т.к. joinAll выполняется под локом, а любой метод тоже берет лок
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Poco::TaskManager & getTaskManager() { return *task_manager; }
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virtual void logRevision() const;
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/// Используется при exitOnTaskError()
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void handleNotification(Poco::TaskFailedNotification *);
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/// thread safe
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virtual void handleSignal(int signal_id);
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/// initialize termination process and signal handlers
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virtual void initializeTerminationAndSignalProcessing();
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/// реализация обработки сигналов завершения через pipe не требует блокировки сигнала с помощью sigprocmask во всех потоках
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void waitForTerminationRequest()
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#if defined(POCO_CLICKHOUSE_PATCH) || POCO_VERSION >= 0x02000000 // in old upstream poco not vitrual
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override
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#endif
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;
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/// thread safe
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virtual void onInterruptSignals(int signal_id);
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template <class Daemon>
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static std::optional<std::reference_wrapper<Daemon>> tryGetInstance();
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virtual std::string getDefaultCorePath() const;
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std::unique_ptr<Poco::TaskManager> task_manager;
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std::optional<DB::StatusFile> pid;
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std::atomic_bool is_cancelled{false};
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/// Флаг устанавливается по сообщению из Task (при аварийном завершении).
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bool task_failed = false;
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bool log_to_console = false;
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/// Событие, чтобы проснуться во время ожидания
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Poco::Event wakeup_event;
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/// Поток, в котором принимается сигнал HUP/USR1 для закрытия логов.
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Poco::Thread signal_listener_thread;
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std::unique_ptr<Poco::Runnable> signal_listener;
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std::map<std::string, std::unique_ptr<GraphiteWriter>> graphite_writers;
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std::mutex signal_handler_mutex;
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std::condition_variable signal_event;
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std::atomic_size_t terminate_signals_counter{0};
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std::atomic_size_t sigint_signals_counter{0};
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std::string config_path;
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DB::ConfigProcessor::LoadedConfig loaded_config;
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Poco::Util::AbstractConfiguration * last_configuration = nullptr;
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String build_id_info;
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std::vector<int> handled_signals;
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};
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template <class Daemon>
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std::optional<std::reference_wrapper<Daemon>> BaseDaemon::tryGetInstance()
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{
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Daemon * ptr = nullptr;
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try
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{
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ptr = dynamic_cast<Daemon *>(&Poco::Util::Application::instance());
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}
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catch (const Poco::NullPointerException &)
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{
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/// if daemon doesn't exist than instance() throw NullPointerException
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}
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if (ptr)
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return std::optional<std::reference_wrapper<Daemon>>(*ptr);
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else
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return {};
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}
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