/root/bitcoin/src/logging.h

Source
// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-present The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.

#ifndef BITCOIN_LOGGING_H
#define BITCOIN_LOGGING_H

#include <crypto/siphash.h>
#include <logging/categories.h> // IWYU pragma: export
#include <threadsafety.h>
#include <util/fs.h>
#include <util/log.h> // IWYU pragma: export
#include <util/string.h>
#include <util/time.h>

#include <atomic>
#include <cstdint>
#include <cstring>
#include <functional>
#include <list>
#include <memory>
#include <string>
#include <unordered_map>
#include <vector>

static const bool DEFAULT_LOGTIMEMICROS = false;
static const bool DEFAULT_LOGIPS        = false;
static const bool DEFAULT_LOGTIMESTAMPS = true;
static const bool DEFAULT_LOGTHREADNAMES = false;
static const bool DEFAULT_LOGSOURCELOCATIONS = false;
static constexpr bool DEFAULT_LOGLEVELALWAYS = false;
extern const char * const DEFAULT_DEBUGLOGFILE;

extern bool fLogIPs;

struct SourceLocationEqual {
    bool operator()(const SourceLocation& lhs, const SourceLocation& rhs) const noexcept
    {
        return lhs.line() == rhs.line() && std::string_view(lhs.file_name()) == std::string_view(rhs.file_name());
    }
};

struct SourceLocationHasher {
    size_t operator()(const SourceLocation& s) const noexcept
    {
        // Use CSipHasher(0, 0) as a simple way to get uniform distribution.
        return size_t(CSipHasher(0, 0)
                      .Write(s.line())
                      .Write(MakeUCharSpan(std::string_view{s.file_name()}))
                      .Finalize());
    }
};

struct LogCategory {
    std::string category;
    bool active;
};

namespace BCLog {
    constexpr auto DEFAULT_LOG_LEVEL{Level::Debug};
    constexpr size_t DEFAULT_MAX_LOG_BUFFER{1'000'000}; // buffer up to 1MB of log data prior to StartLogging
    constexpr uint64_t RATELIMIT_MAX_BYTES{1024 * 1024}; // maximum number of bytes per source location that can be logged within the RATELIMIT_WINDOW
    constexpr auto RATELIMIT_WINDOW{1h}; // time window after which log ratelimit stats are reset
    constexpr bool DEFAULT_LOGRATELIMIT{true};

    //! Fixed window rate limiter for logging.
    class LogRateLimiter
    {
    public:
        //! Keeps track of an individual source location and how many available bytes are left for logging from it.
        struct Stats {
            //! Remaining bytes
            uint64_t m_available_bytes;
            //! Number of bytes that were consumed but didn't fit in the available bytes.
            uint64_t m_dropped_bytes{0};

            Stats(uint64_t max_bytes) : m_available_bytes{max_bytes} {}
            //! Updates internal accounting and returns true if enough available_bytes were remaining
            bool Consume(uint64_t bytes);
        };

    private:
        mutable StdMutex m_mutex;

        //! Stats for each source location that has attempted to log something.
        std::unordered_map<SourceLocation, Stats, SourceLocationHasher, SourceLocationEqual> m_source_locations GUARDED_BY(m_mutex);
        //! Whether any log locations are suppressed. Cached view on m_source_locations for performance reasons.
        std::atomic<bool> m_suppression_active{false};
        LogRateLimiter(uint64_t max_bytes, std::chrono::seconds reset_window);

    public:
        using SchedulerFunction = std::function<void(std::function<void()>, std::chrono::milliseconds)>;
        /**
         * @param scheduler_func    Callable object used to schedule resetting the window. The first
         *                          parameter is the function to be executed, and the second is the
         *                          reset_window interval.
         * @param max_bytes         Maximum number of bytes that can be logged for each source
         *                          location.
         * @param reset_window      Time window after which the stats are reset.
         */
        static std::shared_ptr<LogRateLimiter> Create(
            SchedulerFunction&& scheduler_func,
            uint64_t max_bytes,
            std::chrono::seconds reset_window);
        //! Maximum number of bytes logged per location per window.
        const uint64_t m_max_bytes;
        //! Interval after which the window is reset.
        const std::chrono::seconds m_reset_window;
        //! Suppression status of a source log location.
        enum class Status {
            UNSUPPRESSED,     // string fits within the limit
            NEWLY_SUPPRESSED, // suppression has started since this string
            STILL_SUPPRESSED, // suppression is still ongoing
        };
        //! Consumes `source_loc`'s available bytes corresponding to the size of the (formatted)
        //! `str` and returns its status.
        [[nodiscard]] Status Consume(
            const SourceLocation& source_loc,
            const std::string& str) EXCLUSIVE_LOCKS_REQUIRED(!m_mutex);
        //! Resets all usage to zero. Called periodically by the scheduler.
        void Reset() EXCLUSIVE_LOCKS_REQUIRED(!m_mutex);
        //! Returns true if any log locations are currently being suppressed.
        bool SuppressionsActive() const { return m_suppression_active; }
    };

    class Logger
    {
    public:
        struct BufferedLog {
            SystemClock::time_point now;
            std::chrono::seconds mocktime;
            std::string str, threadname;
            SourceLocation source_loc;
            LogFlags category;
            Level level;
        };

    private:
        mutable StdMutex m_cs; // Can not use Mutex from sync.h because in debug mode it would cause a deadlock when a potential deadlock was detected

        FILE* m_fileout GUARDED_BY(m_cs) = nullptr;
        std::list<BufferedLog> m_msgs_before_open GUARDED_BY(m_cs);
        bool m_buffering GUARDED_BY(m_cs) = true; //!< Buffer messages before logging can be started.
        size_t m_max_buffer_memusage GUARDED_BY(m_cs){DEFAULT_MAX_LOG_BUFFER};
        size_t m_cur_buffer_memusage GUARDED_BY(m_cs){0};
        size_t m_buffer_lines_discarded GUARDED_BY(m_cs){0};

        //! Manages the rate limiting of each log location.
        std::shared_ptr<LogRateLimiter> m_limiter GUARDED_BY(m_cs);

        //! Category-specific log level. Overrides `m_log_level`.
        std::unordered_map<LogFlags, Level> m_category_log_levels GUARDED_BY(m_cs);

        //! If there is no category-specific log level, all logs with a severity
        //! level lower than `m_log_level` will be ignored.
        std::atomic<Level> m_log_level{DEFAULT_LOG_LEVEL};

        /** Log categories bitfield. */
        std::atomic<CategoryMask> m_categories{BCLog::NONE};

        void FormatLogStrInPlace(std::string& str, LogFlags category, Level level, const SourceLocation& source_loc, std::string_view threadname, SystemClock::time_point now, std::chrono::seconds mocktime) const;

        std::string LogTimestampStr(SystemClock::time_point now, std::chrono::seconds mocktime) const;

        /** Slots that connect to the print signal */
        std::list<std::function<void(const std::string&)>> m_print_callbacks GUARDED_BY(m_cs) {};

        /** Send a string to the log output (internal) */
        void LogPrintStr_(std::string_view str, SourceLocation&& source_loc, BCLog::LogFlags category, BCLog::Level level, bool should_ratelimit)
            EXCLUSIVE_LOCKS_REQUIRED(m_cs);

        std::string GetLogPrefix(LogFlags category, Level level) const;

    public:
        bool m_print_to_console = false;
        bool m_print_to_file = false;

        bool m_log_timestamps = DEFAULT_LOGTIMESTAMPS;
        bool m_log_time_micros = DEFAULT_LOGTIMEMICROS;
        bool m_log_threadnames = DEFAULT_LOGTHREADNAMES;
        bool m_log_sourcelocations = DEFAULT_LOGSOURCELOCATIONS;
        bool m_always_print_category_level = DEFAULT_LOGLEVELALWAYS;

        fs::path m_file_path;
        std::atomic<bool> m_reopen_file{false};

        /** Send a string to the log output */
        void LogPrintStr(std::string_view str, SourceLocation&& source_loc, BCLog::LogFlags category, BCLog::Level level, bool should_ratelimit)
            EXCLUSIVE_LOCKS_REQUIRED(!m_cs);

        /** Returns whether logs will be written to any output */
        bool Enabled() const EXCLUSIVE_LOCKS_REQUIRED(!m_cs)
        {
            StdLockGuard scoped_lock(m_cs);
            return m_buffering || m_print_to_console || m_print_to_file || !m_print_callbacks.empty();
        }

        /** Connect a slot to the print signal and return the connection */
        std::list<std::function<void(const std::string&)>>::iterator PushBackCallback(std::function<void(const std::string&)> fun) EXCLUSIVE_LOCKS_REQUIRED(!m_cs)
        {
            StdLockGuard scoped_lock(m_cs);
            m_print_callbacks.push_back(std::move(fun));
            return --m_print_callbacks.end();
        }

        /** Delete a connection */
        void DeleteCallback(std::list<std::function<void(const std::string&)>>::iterator it) EXCLUSIVE_LOCKS_REQUIRED(!m_cs)
        {
            StdLockGuard scoped_lock(m_cs);
            m_print_callbacks.erase(it);
        }

        size_t NumConnections()
        {
            StdLockGuard scoped_lock(m_cs);
            return m_print_callbacks.size();
        }

        /** Start logging (and flush all buffered messages) */
        bool StartLogging() EXCLUSIVE_LOCKS_REQUIRED(!m_cs);
        /** Only for testing */
        void DisconnectTestLogger() EXCLUSIVE_LOCKS_REQUIRED(!m_cs);

        void SetRateLimiting(std::shared_ptr<LogRateLimiter> limiter) EXCLUSIVE_LOCKS_REQUIRED(!m_cs)
        {
            StdLockGuard scoped_lock(m_cs);
            m_limiter = std::move(limiter);
        }

        /** Disable logging
         * This offers a slight speedup and slightly smaller memory usage
         * compared to leaving the logging system in its default state.
         * Mostly intended for libbitcoin-kernel apps that don't want any logging.
         * Should be used instead of StartLogging().
         */
        void DisableLogging() EXCLUSIVE_LOCKS_REQUIRED(!m_cs);

        void ShrinkDebugFile();

        std::unordered_map<LogFlags, Level> CategoryLevels() const EXCLUSIVE_LOCKS_REQUIRED(!m_cs)
        {
            StdLockGuard scoped_lock(m_cs);
            return m_category_log_levels;
        }
        void SetCategoryLogLevel(const std::unordered_map<LogFlags, Level>& levels) EXCLUSIVE_LOCKS_REQUIRED(!m_cs)
        {
            StdLockGuard scoped_lock(m_cs);
            m_category_log_levels = levels;
        }
        void AddCategoryLogLevel(LogFlags category, Level level)
        {
            StdLockGuard scoped_lock(m_cs);
            m_category_log_levels[category] = level;
        }
        bool SetCategoryLogLevel(std::string_view category_str, std::string_view level_str) EXCLUSIVE_LOCKS_REQUIRED(!m_cs);

        Level LogLevel() const { return m_log_level.load(); }
        void SetLogLevel(Level level) { m_log_level = level; }
        bool SetLogLevel(std::string_view level);

        CategoryMask GetCategoryMask() const { return m_categories.load(); }

        void EnableCategory(LogFlags flag);
        bool EnableCategory(std::string_view str);
        void DisableCategory(LogFlags flag);
        bool DisableCategory(std::string_view str);

        bool WillLogCategory(LogFlags category) const;
        bool WillLogCategoryLevel(LogFlags category, Level level) const EXCLUSIVE_LOCKS_REQUIRED(!m_cs);

        /** Returns a vector of the log categories in alphabetical order. */
        std::vector<LogCategory> LogCategoriesList() const;
        /** Returns a string with the log categories in alphabetical order. */
        std::string LogCategoriesString() const
        {
            return util::Join(LogCategoriesList(), ", ", [&](const LogCategory& i) { return i.category; });
        };

        //! Returns a string with all user-selectable log levels.
        std::string LogLevelsString() const;

        //! Returns the string representation of a log level.
        static std::string LogLevelToStr(BCLog::Level level);

        bool DefaultShrinkDebugFile() const;
    };

} // namespace BCLog

BCLog::Logger& LogInstance();

/** Return true if log accepts specified category, at the specified level. */
static inline bool LogAcceptCategory(BCLog::LogFlags category, BCLog::Level level)
{
    return LogInstance().WillLogCategoryLevel(category, level);
}

/** Return true if str parses as a log category and set the flag */
bool GetLogCategory(BCLog::LogFlags& flag, std::string_view str);

#endif // BITCOIN_LOGGING_H

Bitcoin Core Fuzz Coverage Report

Coverage Report

Created: 2026-03-24 13:57

Line	Count	Source
1		// Copyright (c) 2009-2010 Satoshi Nakamoto
2		// Copyright (c) 2009-present The Bitcoin Core developers
3		// Distributed under the MIT software license, see the accompanying
4		// file COPYING or http://www.opensource.org/licenses/mit-license.php.
5
6		#ifndef BITCOIN_LOGGING_H
7		#define BITCOIN_LOGGING_H
8
9		#include <crypto/siphash.h>
10		#include <logging/categories.h> // IWYU pragma: export
11		#include <threadsafety.h>
12		#include <util/fs.h>
13		#include <util/log.h> // IWYU pragma: export
14		#include <util/string.h>
15		#include <util/time.h>
16
17		#include <atomic>
18		#include <cstdint>
19		#include <cstring>
20		#include <functional>
21		#include <list>
22		#include <memory>
23		#include <string>
24		#include <unordered_map>
25		#include <vector>
26
27		static const bool DEFAULT_LOGTIMEMICROS = false;
28		static const bool DEFAULT_LOGIPS = false;
29		static const bool DEFAULT_LOGTIMESTAMPS = true;
30		static const bool DEFAULT_LOGTHREADNAMES = false;
31		static const bool DEFAULT_LOGSOURCELOCATIONS = false;
32		static constexpr bool DEFAULT_LOGLEVELALWAYS = false;
33		extern const char * const DEFAULT_DEBUGLOGFILE;
34
35		extern bool fLogIPs;
36
37		struct SourceLocationEqual {
38		bool operator()(const SourceLocation& lhs, const SourceLocation& rhs) const noexcept
39	0	{
40	0	return lhs.line() == rhs.line() && std::string_view(lhs.file_name()) == std::string_view(rhs.file_name());
41	0	}
42		};
43
44		struct SourceLocationHasher {
45		size_t operator()(const SourceLocation& s) const noexcept
46	0	{
47		// Use CSipHasher(0, 0) as a simple way to get uniform distribution.
48	0	return size_t(CSipHasher(0, 0)
49	0	.Write(s.line())
50	0	.Write(MakeUCharSpan(std::string_view{s.file_name()}))
51	0	.Finalize());
52	0	}
53		};
54
55		struct LogCategory {
56		std::string category;
57		bool active;
58		};
59
60		namespace BCLog {
61		constexpr auto DEFAULT_LOG_LEVEL{Level::Debug};
62		constexpr size_t DEFAULT_MAX_LOG_BUFFER{1'000'000}; // buffer up to 1MB of log data prior to StartLogging
63		constexpr uint64_t RATELIMIT_MAX_BYTES{1024 * 1024}; // maximum number of bytes per source location that can be logged within the RATELIMIT_WINDOW
64		constexpr auto RATELIMIT_WINDOW{1h}; // time window after which log ratelimit stats are reset
65		constexpr bool DEFAULT_LOGRATELIMIT{true};
66
67		//! Fixed window rate limiter for logging.
68		class LogRateLimiter
69		{
70		public:
71		//! Keeps track of an individual source location and how many available bytes are left for logging from it.
72		struct Stats {
73		//! Remaining bytes
74		uint64_t m_available_bytes;
75		//! Number of bytes that were consumed but didn't fit in the available bytes.
76		uint64_t m_dropped_bytes{0};
77
78	0	Stats(uint64_t max_bytes) : m_available_bytes{max_bytes} {}
79		//! Updates internal accounting and returns true if enough available_bytes were remaining
80		bool Consume(uint64_t bytes);
81		};
82
83		private:
84		mutable StdMutex m_mutex;
85
86		//! Stats for each source location that has attempted to log something.
87		std::unordered_map<SourceLocation, Stats, SourceLocationHasher, SourceLocationEqual> m_source_locations GUARDED_BY(m_mutex);
88		//! Whether any log locations are suppressed. Cached view on m_source_locations for performance reasons.
89		std::atomic<bool> m_suppression_active{false};
90		LogRateLimiter(uint64_t max_bytes, std::chrono::seconds reset_window);
91
92		public:
93		using SchedulerFunction = std::function<void(std::function<void()>, std::chrono::milliseconds)>;
94		/**
95		* @param scheduler_func Callable object used to schedule resetting the window. The first
96		* parameter is the function to be executed, and the second is the
97		* reset_window interval.
98		* @param max_bytes Maximum number of bytes that can be logged for each source
99		* location.
100		* @param reset_window Time window after which the stats are reset.
101		*/
102		static std::shared_ptr<LogRateLimiter> Create(
103		SchedulerFunction&& scheduler_func,
104		uint64_t max_bytes,
105		std::chrono::seconds reset_window);
106		//! Maximum number of bytes logged per location per window.
107		const uint64_t m_max_bytes;
108		//! Interval after which the window is reset.
109		const std::chrono::seconds m_reset_window;
110		//! Suppression status of a source log location.
111		enum class Status {
112		UNSUPPRESSED, // string fits within the limit
113		NEWLY_SUPPRESSED, // suppression has started since this string
114		STILL_SUPPRESSED, // suppression is still ongoing
115		};
116		//! Consumes `source_loc`'s available bytes corresponding to the size of the (formatted)
117		//! `str` and returns its status.
118		[[nodiscard]] Status Consume(
119		const SourceLocation& source_loc,
120		const std::string& str) EXCLUSIVE_LOCKS_REQUIRED(!m_mutex);
121		//! Resets all usage to zero. Called periodically by the scheduler.
122		void Reset() EXCLUSIVE_LOCKS_REQUIRED(!m_mutex);
123		//! Returns true if any log locations are currently being suppressed.
124	0	bool SuppressionsActive() const { return m_suppression_active; }
125		};
126
127		class Logger
128		{
129		public:
130		struct BufferedLog {
131		SystemClock::time_point now;
132		std::chrono::seconds mocktime;
133		std::string str, threadname;
134		SourceLocation source_loc;
135		LogFlags category;
136		Level level;
137		};
138
139		private:
140		mutable StdMutex m_cs; // Can not use Mutex from sync.h because in debug mode it would cause a deadlock when a potential deadlock was detected
141
142		FILE* m_fileout GUARDED_BY(m_cs) = nullptr;
143		std::list<BufferedLog> m_msgs_before_open GUARDED_BY(m_cs);
144		bool m_buffering GUARDED_BY(m_cs) = true; //!< Buffer messages before logging can be started.
145		size_t m_max_buffer_memusage GUARDED_BY(m_cs){DEFAULT_MAX_LOG_BUFFER};
146		size_t m_cur_buffer_memusage GUARDED_BY(m_cs){0};
147		size_t m_buffer_lines_discarded GUARDED_BY(m_cs){0};
148
149		//! Manages the rate limiting of each log location.
150		std::shared_ptr<LogRateLimiter> m_limiter GUARDED_BY(m_cs);
151
152		//! Category-specific log level. Overrides `m_log_level`.
153		std::unordered_map<LogFlags, Level> m_category_log_levels GUARDED_BY(m_cs);
154
155		//! If there is no category-specific log level, all logs with a severity
156		//! level lower than `m_log_level` will be ignored.
157		std::atomic<Level> m_log_level{DEFAULT_LOG_LEVEL};
158
159		/** Log categories bitfield. */
160		std::atomic<CategoryMask> m_categories{BCLog::NONE};
161
162		void FormatLogStrInPlace(std::string& str, LogFlags category, Level level, const SourceLocation& source_loc, std::string_view threadname, SystemClock::time_point now, std::chrono::seconds mocktime) const;
163
164		std::string LogTimestampStr(SystemClock::time_point now, std::chrono::seconds mocktime) const;
165
166		/** Slots that connect to the print signal */
167		std::list<std::function<void(const std::string&)>> m_print_callbacks GUARDED_BY(m_cs) {};
168
169		/** Send a string to the log output (internal) */
170		void LogPrintStr_(std::string_view str, SourceLocation&& source_loc, BCLog::LogFlags category, BCLog::Level level, bool should_ratelimit)
171		EXCLUSIVE_LOCKS_REQUIRED(m_cs);
172
173		std::string GetLogPrefix(LogFlags category, Level level) const;
174
175		public:
176		bool m_print_to_console = false;
177		bool m_print_to_file = false;
178
179		bool m_log_timestamps = DEFAULT_LOGTIMESTAMPS;
180		bool m_log_time_micros = DEFAULT_LOGTIMEMICROS;
181		bool m_log_threadnames = DEFAULT_LOGTHREADNAMES;
182		bool m_log_sourcelocations = DEFAULT_LOGSOURCELOCATIONS;
183		bool m_always_print_category_level = DEFAULT_LOGLEVELALWAYS;
184
185		fs::path m_file_path;
186		std::atomic<bool> m_reopen_file{false};
187
188		/** Send a string to the log output */
189		void LogPrintStr(std::string_view str, SourceLocation&& source_loc, BCLog::LogFlags category, BCLog::Level level, bool should_ratelimit)
190		EXCLUSIVE_LOCKS_REQUIRED(!m_cs);
191
192		/** Returns whether logs will be written to any output */
193		bool Enabled() const EXCLUSIVE_LOCKS_REQUIRED(!m_cs)
194	0	{
195	0	StdLockGuard scoped_lock(m_cs);
196	0	return m_buffering \|\| m_print_to_console \|\| m_print_to_file \|\| !m_print_callbacks.empty();
197	0	}
198
199		/** Connect a slot to the print signal and return the connection */
200		std::list<std::function<void(const std::string&)>>::iterator PushBackCallback(std::function<void(const std::string&)> fun) EXCLUSIVE_LOCKS_REQUIRED(!m_cs)
201	0	{
202	0	StdLockGuard scoped_lock(m_cs);
203	0	m_print_callbacks.push_back(std::move(fun));
204	0	return --m_print_callbacks.end();
205	0	}
206
207		/** Delete a connection */
208		void DeleteCallback(std::list<std::function<void(const std::string&)>>::iterator it) EXCLUSIVE_LOCKS_REQUIRED(!m_cs)
209	0	{
210	0	StdLockGuard scoped_lock(m_cs);
211	0	m_print_callbacks.erase(it);
212	0	}
213
214		size_t NumConnections()
215	0	{
216	0	StdLockGuard scoped_lock(m_cs);
217	0	return m_print_callbacks.size();
218	0	}
219
220		/** Start logging (and flush all buffered messages) */
221		bool StartLogging() EXCLUSIVE_LOCKS_REQUIRED(!m_cs);
222		/** Only for testing */
223		void DisconnectTestLogger() EXCLUSIVE_LOCKS_REQUIRED(!m_cs);
224
225		void SetRateLimiting(std::shared_ptr<LogRateLimiter> limiter) EXCLUSIVE_LOCKS_REQUIRED(!m_cs)
226	0	{
227	0	StdLockGuard scoped_lock(m_cs);
228	0	m_limiter = std::move(limiter);
229	0	}
230
231		/** Disable logging
232		* This offers a slight speedup and slightly smaller memory usage
233		* compared to leaving the logging system in its default state.
234		* Mostly intended for libbitcoin-kernel apps that don't want any logging.
235		* Should be used instead of StartLogging().
236		*/
237		void DisableLogging() EXCLUSIVE_LOCKS_REQUIRED(!m_cs);
238
239		void ShrinkDebugFile();
240
241		std::unordered_map<LogFlags, Level> CategoryLevels() const EXCLUSIVE_LOCKS_REQUIRED(!m_cs)
242	0	{
243	0	StdLockGuard scoped_lock(m_cs);
244	0	return m_category_log_levels;
245	0	}
246		void SetCategoryLogLevel(const std::unordered_map<LogFlags, Level>& levels) EXCLUSIVE_LOCKS_REQUIRED(!m_cs)
247	0	{
248	0	StdLockGuard scoped_lock(m_cs);
249	0	m_category_log_levels = levels;
250	0	}
251		void AddCategoryLogLevel(LogFlags category, Level level)
252	0	{
253	0	StdLockGuard scoped_lock(m_cs);
254	0	m_category_log_levels[category] = level;
255	0	}
256		bool SetCategoryLogLevel(std::string_view category_str, std::string_view level_str) EXCLUSIVE_LOCKS_REQUIRED(!m_cs);
257
258	0	Level LogLevel() const { return m_log_level.load(); }
259	0	void SetLogLevel(Level level) { m_log_level = level; }
260		bool SetLogLevel(std::string_view level);
261
262	0	CategoryMask GetCategoryMask() const { return m_categories.load(); }
263
264		void EnableCategory(LogFlags flag);
265		bool EnableCategory(std::string_view str);
266		void DisableCategory(LogFlags flag);
267		bool DisableCategory(std::string_view str);
268
269		bool WillLogCategory(LogFlags category) const;
270		bool WillLogCategoryLevel(LogFlags category, Level level) const EXCLUSIVE_LOCKS_REQUIRED(!m_cs);
271
272		/** Returns a vector of the log categories in alphabetical order. */
273		std::vector<LogCategory> LogCategoriesList() const;
274		/** Returns a string with the log categories in alphabetical order. */
275		std::string LogCategoriesString() const
276	0	{
277	0	return util::Join(LogCategoriesList(), ", ", [&](const LogCategory& i) { return i.category; });
278	0	};
279
280		//! Returns a string with all user-selectable log levels.
281		std::string LogLevelsString() const;
282
283		//! Returns the string representation of a log level.
284		static std::string LogLevelToStr(BCLog::Level level);
285
286		bool DefaultShrinkDebugFile() const;
287		};
288
289		} // namespace BCLog
290
291		BCLog::Logger& LogInstance();
292
293		/** Return true if log accepts specified category, at the specified level. */
294		static inline bool LogAcceptCategory(BCLog::LogFlags category, BCLog::Level level)
295	0	{
296	0	return LogInstance().WillLogCategoryLevel(category, level);
297	0	} Unexecuted instantiation: addrman.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: banman.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: connman.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: deserialize.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: i2p.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: net.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: net_permissions.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: netaddress.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: netbase_dns_lookup.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: node_eviction.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: p2p_handshake.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: pcp.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: process_message.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: process_messages.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: socks5.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: threadpool.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: coincontrol.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: fees.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: scriptpubkeyman.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: spend.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: chainparams.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: args.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: system.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: netbase.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: request.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: signingprovider.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: config.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: logging.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: coinselection.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: dump.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: migrate.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: wallet.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: walletdb.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: walletutil.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: db.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: external_signer_scriptpubkeyman.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: interfaces.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: load.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: receive.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: sqlite.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: feebumper.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: addresses.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: backup.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: coins.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: encrypt.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: signmessage.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: transactions.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: util.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: random.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: setup_common.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: addrdb.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: blockencodings.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: dbwrapper.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: headerssync.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: httpserver.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: init.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: mapport.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: net_processing.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: netgroup.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: caches.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: chainstatemanager_args.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: kernel_notifications.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: mempool_args.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: mempool_persist.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: miner.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: timeoffsets.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: txdownloadman_impl.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: txorphanage.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: txreconciliation.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: noui.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: block_policy_estimator.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: node.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: server.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: torcontrol.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: httprpc.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: blockfilterindex.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: coinstatsindex.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: txospenderindex.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: abort.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: netif.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: common.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level) Unexecuted instantiation: net_types.cpp:LogAcceptCategory(BCLog::LogFlags, util::log::Level)
298
299		/** Return true if str parses as a log category and set the flag */
300		bool GetLogCategory(BCLog::LogFlags& flag, std::string_view str);
301
302		#endif // BITCOIN_LOGGING_H