diff options
Diffstat (limited to 'src/logging.h')
| -rw-r--r-- | src/logging.h | 50 |
1 files changed, 39 insertions, 11 deletions
diff --git a/src/logging.h b/src/logging.h index ae8cad906c..50869ad89a 100644 --- a/src/logging.h +++ b/src/logging.h @@ -67,6 +67,13 @@ namespace BCLog { BLOCKSTORE = (1 << 26), ALL = ~(uint32_t)0, }; + enum class Level { + Debug = 0, + None = 1, + Info = 2, + Warning = 3, + Error = 4, + }; class Logger { @@ -105,7 +112,7 @@ namespace BCLog { std::atomic<bool> m_reopen_file{false}; /** Send a string to the log output */ - void LogPrintStr(const std::string& str, const std::string& logging_function, const std::string& source_file, const int source_line); + void LogPrintStr(const std::string& str, const std::string& logging_function, const std::string& source_file, const int source_line, const BCLog::LogFlags category, const BCLog::Level level); /** Returns whether logs will be written to any output */ bool Enabled() const @@ -159,9 +166,14 @@ namespace BCLog { BCLog::Logger& LogInstance(); -/** Return true if log accepts specified category */ -static inline bool LogAcceptCategory(BCLog::LogFlags category) +/** Return true if log accepts specified category, at the specified level. */ +static inline bool LogAcceptCategory(BCLog::LogFlags category, BCLog::Level level) { + // Log messages at Warning and Error level unconditionally, so that + // important troubleshooting information doesn't get lost. + if (level >= BCLog::Level::Warning) { + return true; + } return LogInstance().WillLogCategory(category); } @@ -173,7 +185,7 @@ bool GetLogCategory(BCLog::LogFlags& flag, const std::string& str); // peer can fill up a user's disk with debug.log entries. template <typename... Args> -static inline void LogPrintf_(const std::string& logging_function, const std::string& source_file, const int source_line, const char* fmt, const Args&... args) +static inline void LogPrintf_(const std::string& logging_function, const std::string& source_file, const int source_line, const BCLog::LogFlags flag, const BCLog::Level level, const char* fmt, const Args&... args) { if (LogInstance().Enabled()) { std::string log_msg; @@ -183,19 +195,35 @@ static inline void LogPrintf_(const std::string& logging_function, const std::st /* Original format string will have newline so don't add one here */ log_msg = "Error \"" + std::string(fmterr.what()) + "\" while formatting log message: " + fmt; } - LogInstance().LogPrintStr(log_msg, logging_function, source_file, source_line); + LogInstance().LogPrintStr(log_msg, logging_function, source_file, source_line, flag, level); } } -#define LogPrintf(...) LogPrintf_(__func__, __FILE__, __LINE__, __VA_ARGS__) +#define LogPrintLevel_(category, level, ...) LogPrintf_(__func__, __FILE__, __LINE__, category, level, __VA_ARGS__) + +// Log unconditionally. +#define LogPrintf(...) LogPrintLevel_(BCLog::LogFlags::NONE, BCLog::Level::None, __VA_ARGS__) + +// Log unconditionally, prefixing the output with the passed category name. +#define LogPrintfCategory(category, ...) LogPrintLevel_(category, BCLog::Level::None, __VA_ARGS__) // Use a macro instead of a function for conditional logging to prevent // evaluating arguments when logging for the category is not enabled. -#define LogPrint(category, ...) \ - do { \ - if (LogAcceptCategory((category))) { \ - LogPrintf(__VA_ARGS__); \ - } \ + +// Log conditionally, prefixing the output with the passed category name. +#define LogPrint(category, ...) \ + do { \ + if (LogAcceptCategory((category), BCLog::Level::Debug)) { \ + LogPrintLevel_(category, BCLog::Level::None, __VA_ARGS__); \ + } \ + } while (0) + +// Log conditionally, prefixing the output with the passed category name and severity level. +#define LogPrintLevel(category, level, ...) \ + do { \ + if (LogAcceptCategory((category), (level))) { \ + LogPrintLevel_(category, level, __VA_ARGS__); \ + } \ } while (0) #endif // BITCOIN_LOGGING_H |