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// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2018 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 <fs.h>
#include <tinyformat.h>
#include <atomic>
#include <cstdint>
#include <string>
#include <vector>
static const bool DEFAULT_LOGTIMEMICROS = false;
static const bool DEFAULT_LOGIPS = false;
static const bool DEFAULT_LOGTIMESTAMPS = true;
extern const char * const DEFAULT_DEBUGLOGFILE;
extern bool fPrintToConsole;
extern bool fPrintToDebugLog;
extern bool fLogTimestamps;
extern bool fLogTimeMicros;
extern bool fLogIPs;
extern std::atomic<bool> fReopenDebugLog;
extern std::atomic<uint32_t> logCategories;
struct CLogCategoryActive
{
std::string category;
bool active;
};
namespace BCLog {
enum LogFlags : uint32_t {
NONE = 0,
NET = (1 << 0),
TOR = (1 << 1),
MEMPOOL = (1 << 2),
HTTP = (1 << 3),
BENCH = (1 << 4),
ZMQ = (1 << 5),
DB = (1 << 6),
RPC = (1 << 7),
ESTIMATEFEE = (1 << 8),
ADDRMAN = (1 << 9),
SELECTCOINS = (1 << 10),
REINDEX = (1 << 11),
CMPCTBLOCK = (1 << 12),
RAND = (1 << 13),
PRUNE = (1 << 14),
PROXY = (1 << 15),
MEMPOOLREJ = (1 << 16),
LIBEVENT = (1 << 17),
COINDB = (1 << 18),
QT = (1 << 19),
LEVELDB = (1 << 20),
ALL = ~(uint32_t)0,
};
}
/** Return true if log accepts specified category */
static inline bool LogAcceptCategory(uint32_t category)
{
return (logCategories.load(std::memory_order_relaxed) & category) != 0;
}
/** Returns a string with the log categories. */
std::string ListLogCategories();
/** Returns a vector of the active log categories. */
std::vector<CLogCategoryActive> ListActiveLogCategories();
/** Return true if str parses as a log category and set the flags in f */
bool GetLogCategory(uint32_t *f, const std::string *str);
/** Send a string to the log output */
int LogPrintStr(const std::string &str);
/** Get format string from VA_ARGS for error reporting */
template<typename... Args> std::string FormatStringFromLogArgs(const char *fmt, const Args&... args) { return fmt; }
static inline void MarkUsed() {}
template<typename T, typename... Args> static inline void MarkUsed(const T& t, const Args&... args)
{
(void)t;
MarkUsed(args...);
}
// Be conservative when using LogPrintf/error or other things which
// unconditionally log to debug.log! It should not be the case that an inbound
// peer can fill up a user's disk with debug.log entries.
#ifdef USE_COVERAGE
#define LogPrintf(...) do { MarkUsed(__VA_ARGS__); } while(0)
#define LogPrint(category, ...) do { MarkUsed(__VA_ARGS__); } while(0)
#else
#define LogPrintf(...) do { \
if (fPrintToConsole || fPrintToDebugLog) { \
std::string _log_msg_; /* Unlikely name to avoid shadowing variables */ \
try { \
_log_msg_ = tfm::format(__VA_ARGS__); \
} catch (tinyformat::format_error &fmterr) { \
/* Original format string will have newline so don't add one here */ \
_log_msg_ = "Error \"" + std::string(fmterr.what()) + "\" while formatting log message: " + FormatStringFromLogArgs(__VA_ARGS__); \
} \
LogPrintStr(_log_msg_); \
} \
} while(0)
#define LogPrint(category, ...) do { \
if (LogAcceptCategory((category))) { \
LogPrintf(__VA_ARGS__); \
} \
} while(0)
#endif
fs::path GetDebugLogPath();
bool OpenDebugLog();
void ShrinkDebugFile();
#endif // BITCOIN_LOGGING_H
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