mirror of https://github.com/facebook/rocksdb.git
42 lines
1.2 KiB
C++
42 lines
1.2 KiB
C++
// Copyright (c) Meta Platforms, Inc. and affiliates.
|
|
//
|
|
// This source code is licensed under both the GPLv2 (found in the
|
|
// COPYING file in the root directory) and Apache 2.0 License
|
|
// (found in the LICENSE.Apache file in the root directory).
|
|
|
|
#pragma once
|
|
|
|
#include <stdarg.h>
|
|
#include <stdio.h>
|
|
|
|
#include "rocksdb/env.h"
|
|
|
|
namespace ROCKSDB_NAMESPACE {
|
|
|
|
// Prints logs to stderr for faster debugging
|
|
class StderrLogger : public Logger {
|
|
public:
|
|
explicit StderrLogger(const InfoLogLevel log_level = InfoLogLevel::INFO_LEVEL)
|
|
: Logger(log_level), log_prefix(nullptr), log_prefix_len(0) {}
|
|
explicit StderrLogger(const InfoLogLevel log_level, const std::string prefix)
|
|
: Logger(log_level),
|
|
log_prefix(strdup(prefix.c_str())),
|
|
log_prefix_len(strlen(log_prefix)) {}
|
|
|
|
~StderrLogger() override;
|
|
|
|
// Brings overloaded Logv()s into scope so they're not hidden when we override
|
|
// a subset of them.
|
|
using Logger::Logv;
|
|
|
|
void Logv(const char* format, va_list ap) override;
|
|
|
|
private:
|
|
// This prefix will be appended after the time/thread info of every log
|
|
const char* log_prefix;
|
|
// The length of the log_prefix
|
|
size_t log_prefix_len;
|
|
};
|
|
|
|
} // namespace ROCKSDB_NAMESPACE
|